Webperf result dariuszwozniak.net
4.60
Results from https://dariuszwozniak.net/
404 Page
5.00
Results collected at 2025-11-17
Standards section:
- Page not found, has expected 404 responseok
- Page not found, valid title foundok
- Page not found, valid h1 header foundok
- Page not found, valid text foundok
- Page not found, valid text foundok
- Page not found, valid 404 response status code usedok
- Page not found, used supported localeok
- Page not found, valid body text foundok
- Page not found, network is usableok
- Page not found, has expected 404 responseok
- Page not found, valid title foundok
- Page not found, valid h1 header foundok
- Page not found, valid text foundok
- Page not found, valid text foundok
- Page not found, valid 404 response status code usedok
- Page not found, used supported localeok
- Page not found, valid body text foundok
- Page not found, network is usableok
Standard Files
4.70
Results collected at 2025-11-17
Security section:
- security.txt has incorrect contenterror
Tested:
- https://dariuszwozniak.net/.well-known/security.txt
- https://dariuszwozniak.net/security.txt
- security.txt is missing the required contact infowarning
Tested:
- https://dariuszwozniak.net/.well-known/security.txt
- https://dariuszwozniak.net/security.txt
- security.txt requires expiration information (added in draft v10) is missingwarning
Tested:
- https://dariuszwozniak.net/.well-known/security.txt
- https://dariuszwozniak.net/security.txt
- Sitemap, Url in <loc> has to start with https://ok
- security.txt is missingok
Standards section:
- robots.txt is missing, not allowed to download or has not the expected contentok
- Sitemap is not specified in robots.txtok
- Sitemap, no valid sitemap foundok
- Sitemap, Url in <loc> must use same domain as robots.txtok
- Sitemap, No duplicate Urls in <loc> allowedok
- Sitemap, lists other stuff then webpagesok
- Sitemap, is exceeding 50 000 itemsok
- Sitemap, has no itemsok
- Feed is missing in the HTML's metadataok
- security.txt has incorrect contenterror
Tested:
- https://dariuszwozniak.net/.well-known/security.txt
- https://dariuszwozniak.net/security.txt
- security.txt is missing the required contact infowarning
Tested:
- https://dariuszwozniak.net/.well-known/security.txt
- https://dariuszwozniak.net/security.txt
- security.txt requires expiration information (added in draft v10) is missingwarning
Tested:
- https://dariuszwozniak.net/.well-known/security.txt
- https://dariuszwozniak.net/security.txt
- Sitemap, Url in <loc> has to start with https://ok
- security.txt is missingok
Standards section:
- robots.txt is missing, not allowed to download or has not the expected contentok
- Sitemap is not specified in robots.txtok
- Sitemap, no valid sitemap foundok
- Sitemap, Url in <loc> must use same domain as robots.txtok
- Sitemap, No duplicate Urls in <loc> allowedok
- Sitemap, lists other stuff then webpagesok
- Sitemap, is exceeding 50 000 itemsok
- Sitemap, has no itemsok
- Feed is missing in the HTML's metadataok
Sitespeed.io
5.00
Results collected at 2025-11-17
Performance section:
- [desktop] TTFB (Time to First Byte): 110.67ms, ±15.33ms 5.00
- [desktop] DOMContentLoaded: 242.67ms, ±10.33ms 5.00
- [desktop] LCP (Largest Contentful Paint): 382.00ms, ±22.00ms 5.00
- [desktop] Load: 360.67ms, ±105.33ms 5.00
- [desktop] TBT (Total Blocking Time): 6.75ms, ±2.25ms 5.00
- [desktop] CLS (Cumulative Layout Shift): 0.00ms, ±0.00ms 5.00
- [desktop] FirstVisualChange: 416.50ms, ±49.50ms 5.00
- [desktop] SpeedIndex: 438.00ms, ±59.00ms 5.00
- [desktop] VisualComplete85: 483.50ms, ±82.50ms 5.00
- [desktop] FCP (First Contentful Paint): 382.00ms, ±0.00ms 5.00
- [desktop] firstPaint: 382.00ms, ±22.00ms
- [desktop] LastVisualChange: 550.50ms, ±82.50ms
- [mobile] TTFB (Time to First Byte): 113.67ms, ±0.33ms 5.00
- [mobile] DOMContentLoaded: 258.67ms, ±36.33ms 5.00
- [mobile] LCP (Largest Contentful Paint): 334.00ms, ±50.00ms 5.00
- [mobile] Load: 351.00ms, ±51.00ms 5.00
- [mobile] TBT (Total Blocking Time): 1.50ms, ±0.50ms 5.00
- [mobile] FirstVisualChange: 350.00ms, ±50.00ms 5.00
- [mobile] SpeedIndex: 355.50ms, ±54.50ms 5.00
- [mobile] VisualComplete85: 350.00ms, ±50.00ms 5.00
- [mobile] FCP (First Contentful Paint): 334.00ms, ±0.00ms 5.00
- [mobile] CLS (Cumulative Layout Shift): 0.00ms, ±0.00ms 5.00
- [mobile] firstPaint: 334.00ms, ±50.00ms
- [mobile] LastVisualChange: 533.50ms, ±166.50ms
- [desktop] TTFB (Time to First Byte): 110.67ms, ±15.33ms 5.00
- [desktop] DOMContentLoaded: 242.67ms, ±10.33ms 5.00
- [desktop] LCP (Largest Contentful Paint): 382.00ms, ±22.00ms 5.00
- [desktop] Load: 360.67ms, ±105.33ms 5.00
- [desktop] TBT (Total Blocking Time): 6.75ms, ±2.25ms 5.00
- [desktop] CLS (Cumulative Layout Shift): 0.00ms, ±0.00ms 5.00
- [desktop] FirstVisualChange: 416.50ms, ±49.50ms 5.00
- [desktop] SpeedIndex: 438.00ms, ±59.00ms 5.00
- [desktop] VisualComplete85: 483.50ms, ±82.50ms 5.00
- [desktop] FCP (First Contentful Paint): 382.00ms, ±0.00ms 5.00
- [desktop] firstPaint: 382.00ms, ±22.00ms
- [desktop] LastVisualChange: 550.50ms, ±82.50ms
- [mobile] TTFB (Time to First Byte): 113.67ms, ±0.33ms 5.00
- [mobile] DOMContentLoaded: 258.67ms, ±36.33ms 5.00
- [mobile] LCP (Largest Contentful Paint): 334.00ms, ±50.00ms 5.00
- [mobile] Load: 351.00ms, ±51.00ms 5.00
- [mobile] TBT (Total Blocking Time): 1.50ms, ±0.50ms 5.00
- [mobile] FirstVisualChange: 350.00ms, ±50.00ms 5.00
- [mobile] SpeedIndex: 355.50ms, ±54.50ms 5.00
- [mobile] VisualComplete85: 350.00ms, ±50.00ms 5.00
- [mobile] FCP (First Contentful Paint): 334.00ms, ±0.00ms 5.00
- [mobile] CLS (Cumulative Layout Shift): 0.00ms, ±0.00ms 5.00
- [mobile] firstPaint: 334.00ms, ±50.00ms
- [mobile] LastVisualChange: 533.50ms, ±166.50ms
Pa11y
4.50
Results collected at 2025-11-17
Accessibility section:
- This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 2.77:1. Recommendation: change text colour to #007eb6.error
Tested:
- https://dariuszwozniak.net/
- This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 2.77:1. Recommendation: change text colour to #007eb6.error
Tested:
- https://dariuszwozniak.net/
Integrity
3.62
Results collected at 2025-11-17
- About average privacy settings, but should get better.
Security section:
- HTTPS by default is good! 5.00
- HTTP Strict Transport Security HSTS is ok, with 1 error(s) and 0 warning(s). 4.50
- Content Security Policy is pretty bad. 1.00
- Reporting CSP Certificate Transparency Network Error Logging is good! 5.00
- Referrer Policy is not that good. 2.50
- Subresource Integrity SRI is pretty bad. 1.00
- HTTP headers is good! 5.00
- Cookies is good! 5.00
Security section:
- HTTPS by default is good! 5.00
- HTTP Strict Transport Security HSTS is ok, with 1 error(s) and 0 warning(s). 4.50
- Content Security Policy is pretty bad. 1.00
- Reporting CSP Certificate Transparency Network Error Logging is good! 5.00
- Referrer Policy is not that good. 2.50
- Subresource Integrity SRI is pretty bad. 1.00
- HTTP headers is good! 5.00
- Cookies is good! 5.00
Carbon Calculator
5.00
Results collected at 2025-11-17
- Webpage generates very little carbon dioxide!
- Carbon dioxide per pageview: 0.86 gram(s)
- More green than 96 % of the websites tested by webperf.se (Reference updated: 2025-01-09).
- Network transfer size: 1.36 MB 5.00
- Carbon dioxide per pageview: 0.86 gram(s)
- More green than 96 % of the websites tested by webperf.se (Reference updated: 2025-01-09).
- Network transfer size: 1.36 MB 5.00
Software
4.98
Results collected at 2025-11-17
- Technology used: js
- Metadata used: apple-touch-icon, canonical, icon, open-graph, preload, viewport
- Javascript libraries used: dariuszwozniak.net-v2, next.js
- Languages found: en-us, en_us
- Image formats used: png, webp
Accessibility section:
##### You don't seem to be using accessibility overlay software 5.00
Security section:
##### Software is behind >=1 versions 4.9
###### Introduction:
Software used is behind 1 or more version compared to latests.
This is a small indicator that you need to update to latest version.
You can fix this by updating software to latest version.
###### Detected software(s):
- next.js 14.2.11
###### Affected resource(s):
- https://dariuszwozniak.net/_next/static/chunks/692-c0e2639f928ac96b.js?dpl=dpl_GmwyFpHuqDxKkGQKWd8VSkBys9bq
##### NO Common Vulnerabilities and Exposures found 5.00
##### Opensource software used seem to be maintained 5.00
##### You don't seem to be using 'END OF LIFE' software 5.00
- Metadata used: apple-touch-icon, canonical, icon, open-graph, preload, viewport
- Javascript libraries used: dariuszwozniak.net-v2, next.js
- Languages found: en-us, en_us
- Image formats used: png, webp
Accessibility section:
##### You don't seem to be using accessibility overlay software 5.00
Security section:
##### Software is behind >=1 versions 4.9
###### Introduction:
Software used is behind 1 or more version compared to latests.
This is a small indicator that you need to update to latest version.
You can fix this by updating software to latest version.
###### Detected software(s):
- next.js 14.2.11
###### Affected resource(s):
- https://dariuszwozniak.net/_next/static/chunks/692-c0e2639f928ac96b.js?dpl=dpl_GmwyFpHuqDxKkGQKWd8VSkBys9bq
##### NO Common Vulnerabilities and Exposures found 5.00
##### Opensource software used seem to be maintained 5.00
##### You don't seem to be using 'END OF LIFE' software 5.00
Stylelint CSS
3.90
Results collected at 2025-11-17
Standards section:
- CSS, Disallow unknown values for properties within declarationserror
More info:
- https://stylelint.io/user-guide/rules/declaration-property-value-no-unknown
Tested:
- https://dariuszwozniak.net/_next/static/css/679786ac4aff2942.css?dpl=dpl_GmwyFpHuqDxKkGQKWd8VSkBys9bq
- https://dariuszwozniak.net/_next/static/css/5798ede3e7516941.css?dpl=dpl_GmwyFpHuqDxKkGQKWd8VSkBys9bq
- CSS, Disallow unknown custom propertieserror
More info:
- https://stylelint.io/user-guide/rules/no-unknown-custom-properties
Tested:
- https://dariuszwozniak.net/_next/static/css/679786ac4aff2942.css?dpl=dpl_GmwyFpHuqDxKkGQKWd8VSkBys9bq
- CSS, Disallow deprecated keywords for properties within declarationswarning
More info:
- https://stylelint.io/user-guide/rules/declaration-property-value-keyword-no-deprecated
Tested:
- https://dariuszwozniak.net/_next/static/css/679786ac4aff2942.css?dpl=dpl_GmwyFpHuqDxKkGQKWd8VSkBys9bq
- CSS, Disallow deprecated propertieswarning
More info:
- https://stylelint.io/user-guide/rules/property-no-deprecated
Tested:
- https://dariuszwozniak.net/_next/static/css/5798ede3e7516941.css?dpl=dpl_GmwyFpHuqDxKkGQKWd8VSkBys9bq
- CSS, Disallow unknown annotationsok
More info:
- https://stylelint.io/user-guide/rules/annotation-no-unknown
- CSS, Disallow unknown descriptors for at-rulesok
More info:
- https://stylelint.io/user-guide/rules/at-rule-descriptor-no-unknown
- CSS, Disallow unknown values for descriptors within at-rulesok
More info:
- https://stylelint.io/user-guide/rules/at-rule-descriptor-value-no-unknown
- CSS, Disallow deprecated at-rulesok
More info:
- https://stylelint.io/user-guide/rules/at-rule-no-deprecated
- CSS, Disallow unknown at-rulesok
More info:
- https://stylelint.io/user-guide/rules/at-rule-no-unknown
- CSS, Disallow invalid preludes for at-rulesok
More info:
- https://stylelint.io/user-guide/rules/at-rule-prelude-no-invalid
- CSS, Disallow empty blocksok
More info:
- https://stylelint.io/user-guide/rules/block-no-empty
- CSS, Disallow invalid hex colorsok
More info:
- https://stylelint.io/user-guide/rules/color-no-invalid-hex
- CSS, Disallow empty commentsok
More info:
- https://stylelint.io/user-guide/rules/comment-no-empty
- CSS, Disallow non-standard direction values for linear gradient functionsok
More info:
- https://stylelint.io/user-guide/rules/function-linear-gradient-no-nonstandard-direction
- CSS, Disallow unknown functionsok
More info:
- https://stylelint.io/user-guide/rules/function-no-unknown
- CSS, Disallow unknown media feature namesok
More info:
- https://stylelint.io/user-guide/rules/media-feature-name-no-unknown
- CSS, Disallow unknown values for media featuresok
More info:
- https://stylelint.io/user-guide/rules/media-feature-name-value-no-unknown
- CSS, Disallow invalid media queriesok
More info:
- https://stylelint.io/user-guide/rules/media-query-no-invalid
- CSS, Disallow deprecated media typesok
More info:
- https://stylelint.io/user-guide/rules/media-type-no-deprecated
- CSS, Disallow invalid named grid areasok
More info:
- https://stylelint.io/user-guide/rules/named-grid-areas-no-invalid
- CSS, Disallow empty sourcesok
More info:
- https://stylelint.io/user-guide/rules/no-empty-source
- CSS, Disallow invalid double-slash commentsok
More info:
- https://stylelint.io/user-guide/rules/no-invalid-double-slash-comments
- CSS, Disallow invalid position `@import` rulesok
More info:
- https://stylelint.io/user-guide/rules/no-invalid-position-at-import-rule
- CSS, Disallow invalid position declarationsok
More info:
- https://stylelint.io/user-guide/rules/no-invalid-position-declaration
- CSS, Disallow unknown animationsok
More info:
- https://stylelint.io/user-guide/rules/no-unknown-animations
- CSS, Disallow unknown custom media queriesok
More info:
- https://stylelint.io/user-guide/rules/no-unknown-custom-media
- CSS, Disallow unknown propertiesok
More info:
- https://stylelint.io/user-guide/rules/property-no-unknown
- CSS, Disallow unknown pseudo-class selectorsok
More info:
- https://stylelint.io/user-guide/rules/selector-pseudo-class-no-unknown
- CSS, Disallow unknown pseudo-element selectorsok
More info:
- https://stylelint.io/user-guide/rules/selector-pseudo-element-no-unknown
- CSS, Disallow unknown type selectorsok
More info:
- https://stylelint.io/user-guide/rules/selector-type-no-unknown
- CSS, Disallow invalid syntax stringsok
More info:
- https://stylelint.io/user-guide/rules/syntax-string-no-invalid
- CSS, Disallow unknown unitsok
More info:
- https://stylelint.io/user-guide/rules/unit-no-unknown
- CSS, Disallow unknown values for properties within declarationserror
More info:
- https://stylelint.io/user-guide/rules/declaration-property-value-no-unknown
Tested:
- https://dariuszwozniak.net/_next/static/css/679786ac4aff2942.css?dpl=dpl_GmwyFpHuqDxKkGQKWd8VSkBys9bq
- https://dariuszwozniak.net/_next/static/css/5798ede3e7516941.css?dpl=dpl_GmwyFpHuqDxKkGQKWd8VSkBys9bq
- CSS, Disallow unknown custom propertieserror
More info:
- https://stylelint.io/user-guide/rules/no-unknown-custom-properties
Tested:
- https://dariuszwozniak.net/_next/static/css/679786ac4aff2942.css?dpl=dpl_GmwyFpHuqDxKkGQKWd8VSkBys9bq
- CSS, Disallow deprecated keywords for properties within declarationswarning
More info:
- https://stylelint.io/user-guide/rules/declaration-property-value-keyword-no-deprecated
Tested:
- https://dariuszwozniak.net/_next/static/css/679786ac4aff2942.css?dpl=dpl_GmwyFpHuqDxKkGQKWd8VSkBys9bq
- CSS, Disallow deprecated propertieswarning
More info:
- https://stylelint.io/user-guide/rules/property-no-deprecated
Tested:
- https://dariuszwozniak.net/_next/static/css/5798ede3e7516941.css?dpl=dpl_GmwyFpHuqDxKkGQKWd8VSkBys9bq
- CSS, Disallow unknown annotationsok
More info:
- https://stylelint.io/user-guide/rules/annotation-no-unknown
- CSS, Disallow unknown descriptors for at-rulesok
More info:
- https://stylelint.io/user-guide/rules/at-rule-descriptor-no-unknown
- CSS, Disallow unknown values for descriptors within at-rulesok
More info:
- https://stylelint.io/user-guide/rules/at-rule-descriptor-value-no-unknown
- CSS, Disallow deprecated at-rulesok
More info:
- https://stylelint.io/user-guide/rules/at-rule-no-deprecated
- CSS, Disallow unknown at-rulesok
More info:
- https://stylelint.io/user-guide/rules/at-rule-no-unknown
- CSS, Disallow invalid preludes for at-rulesok
More info:
- https://stylelint.io/user-guide/rules/at-rule-prelude-no-invalid
- CSS, Disallow empty blocksok
More info:
- https://stylelint.io/user-guide/rules/block-no-empty
- CSS, Disallow invalid hex colorsok
More info:
- https://stylelint.io/user-guide/rules/color-no-invalid-hex
- CSS, Disallow empty commentsok
More info:
- https://stylelint.io/user-guide/rules/comment-no-empty
- CSS, Disallow non-standard direction values for linear gradient functionsok
More info:
- https://stylelint.io/user-guide/rules/function-linear-gradient-no-nonstandard-direction
- CSS, Disallow unknown functionsok
More info:
- https://stylelint.io/user-guide/rules/function-no-unknown
- CSS, Disallow unknown media feature namesok
More info:
- https://stylelint.io/user-guide/rules/media-feature-name-no-unknown
- CSS, Disallow unknown values for media featuresok
More info:
- https://stylelint.io/user-guide/rules/media-feature-name-value-no-unknown
- CSS, Disallow invalid media queriesok
More info:
- https://stylelint.io/user-guide/rules/media-query-no-invalid
- CSS, Disallow deprecated media typesok
More info:
- https://stylelint.io/user-guide/rules/media-type-no-deprecated
- CSS, Disallow invalid named grid areasok
More info:
- https://stylelint.io/user-guide/rules/named-grid-areas-no-invalid
- CSS, Disallow empty sourcesok
More info:
- https://stylelint.io/user-guide/rules/no-empty-source
- CSS, Disallow invalid double-slash commentsok
More info:
- https://stylelint.io/user-guide/rules/no-invalid-double-slash-comments
- CSS, Disallow invalid position `@import` rulesok
More info:
- https://stylelint.io/user-guide/rules/no-invalid-position-at-import-rule
- CSS, Disallow invalid position declarationsok
More info:
- https://stylelint.io/user-guide/rules/no-invalid-position-declaration
- CSS, Disallow unknown animationsok
More info:
- https://stylelint.io/user-guide/rules/no-unknown-animations
- CSS, Disallow unknown custom media queriesok
More info:
- https://stylelint.io/user-guide/rules/no-unknown-custom-media
- CSS, Disallow unknown propertiesok
More info:
- https://stylelint.io/user-guide/rules/property-no-unknown
- CSS, Disallow unknown pseudo-class selectorsok
More info:
- https://stylelint.io/user-guide/rules/selector-pseudo-class-no-unknown
- CSS, Disallow unknown pseudo-element selectorsok
More info:
- https://stylelint.io/user-guide/rules/selector-pseudo-element-no-unknown
- CSS, Disallow unknown type selectorsok
More info:
- https://stylelint.io/user-guide/rules/selector-type-no-unknown
- CSS, Disallow invalid syntax stringsok
More info:
- https://stylelint.io/user-guide/rules/syntax-string-no-invalid
- CSS, Disallow unknown unitsok
More info:
- https://stylelint.io/user-guide/rules/unit-no-unknown
HTML-validate
5.00
Results collected at 2025-11-17
Standards section:
- Require attributes to be separated by whitespaceok
More info:
- https://html-validate.org/rules/attr-spacing.html
- Validate permitted attribute valuesok
More info:
- https://html-validate.org/rules/attribute-allowed-values.html
- Require attribute to be used in correct contextok
More info:
- https://html-validate.org/rules/attribute-misuse.html
- Disallow end tags from having attributesok
More info:
- https://html-validate.org/rules/close-attr.html
- Require elements to be closed in correct orderok
More info:
- https://html-validate.org/rules/close-order.html
- Disallow usage of deprecated elementsok
More info:
- https://html-validate.org/rules/deprecated.html
- Disallow usage of deprecated rulesok
More info:
- https://html-validate.org/rules/deprecated-rule.html
- Require usage of `html` doctypeok
More info:
- https://html-validate.org/rules/doctype-html.html
- Disallow invalid element namesok
More info:
- https://html-validate.org/rules/element-name.html
- Validate permitted contentok
More info:
- https://html-validate.org/rules/element-permitted-content.html
- Validate permitted number of element occurrencesok
More info:
- https://html-validate.org/rules/element-permitted-occurrences.html
- Validate required element orderok
More info:
- https://html-validate.org/rules/element-permitted-order.html
- Validate permitted element parentok
More info:
- https://html-validate.org/rules/element-permitted-parent.html
- Ensure required attributes are setok
More info:
- https://html-validate.org/rules/element-required-attributes.html
- Ensure required elements are presentok
More info:
- https://html-validate.org/rules/element-required-content.html
- Require `<map name>` to be uniqueok
More info:
- https://html-validate.org/rules/map-dup-name.html
- Require name and id to match on `<map>` elementsok
More info:
- https://html-validate.org/rules/map-id-name.html
- Disallow usage of deprecated attributesok
More info:
- https://html-validate.org/rules/no-deprecated-attr.html
- Disallow duplicated attributesok
More info:
- https://html-validate.org/rules/no-dup-attr.html
- Disallow duplicated IDsok
More info:
- https://html-validate.org/rules/no-dup-id.html
- Disallow multiple `<main>`ok
More info:
- https://html-validate.org/rules/no-multiple-main.html
- Disallow the use of unescaped special charactersok
More info:
- https://html-validate.org/rules/no-raw-characters.html
- Disallow unused disable directivesok
More info:
- https://html-validate.org/rules/no-unused-disable.html
- Require end tag for `<script>`ok
More info:
- https://html-validate.org/rules/script-element.html
- Disallow unrecognized character referencesok
More info:
- https://html-validate.org/rules/unrecognized-char-ref.html
- Require autocomplete attribute to be validok
More info:
- https://html-validate.org/rules/valid-autocomplete.html
- Require `id` to be a valid identifierok
More info:
- https://html-validate.org/rules/valid-id.html
- Disallow void element with contentok
More info:
- https://html-validate.org/rules/void-content.html
- Require attributes to be separated by whitespaceok
More info:
- https://html-validate.org/rules/attr-spacing.html
- Validate permitted attribute valuesok
More info:
- https://html-validate.org/rules/attribute-allowed-values.html
- Require attribute to be used in correct contextok
More info:
- https://html-validate.org/rules/attribute-misuse.html
- Disallow end tags from having attributesok
More info:
- https://html-validate.org/rules/close-attr.html
- Require elements to be closed in correct orderok
More info:
- https://html-validate.org/rules/close-order.html
- Disallow usage of deprecated elementsok
More info:
- https://html-validate.org/rules/deprecated.html
- Disallow usage of deprecated rulesok
More info:
- https://html-validate.org/rules/deprecated-rule.html
- Require usage of `html` doctypeok
More info:
- https://html-validate.org/rules/doctype-html.html
- Disallow invalid element namesok
More info:
- https://html-validate.org/rules/element-name.html
- Validate permitted contentok
More info:
- https://html-validate.org/rules/element-permitted-content.html
- Validate permitted number of element occurrencesok
More info:
- https://html-validate.org/rules/element-permitted-occurrences.html
- Validate required element orderok
More info:
- https://html-validate.org/rules/element-permitted-order.html
- Validate permitted element parentok
More info:
- https://html-validate.org/rules/element-permitted-parent.html
- Ensure required attributes are setok
More info:
- https://html-validate.org/rules/element-required-attributes.html
- Ensure required elements are presentok
More info:
- https://html-validate.org/rules/element-required-content.html
- Require `<map name>` to be uniqueok
More info:
- https://html-validate.org/rules/map-dup-name.html
- Require name and id to match on `<map>` elementsok
More info:
- https://html-validate.org/rules/map-id-name.html
- Disallow usage of deprecated attributesok
More info:
- https://html-validate.org/rules/no-deprecated-attr.html
- Disallow duplicated attributesok
More info:
- https://html-validate.org/rules/no-dup-attr.html
- Disallow duplicated IDsok
More info:
- https://html-validate.org/rules/no-dup-id.html
- Disallow multiple `<main>`ok
More info:
- https://html-validate.org/rules/no-multiple-main.html
- Disallow the use of unescaped special charactersok
More info:
- https://html-validate.org/rules/no-raw-characters.html
- Disallow unused disable directivesok
More info:
- https://html-validate.org/rules/no-unused-disable.html
- Require end tag for `<script>`ok
More info:
- https://html-validate.org/rules/script-element.html
- Disallow unrecognized character referencesok
More info:
- https://html-validate.org/rules/unrecognized-char-ref.html
- Require autocomplete attribute to be validok
More info:
- https://html-validate.org/rules/valid-autocomplete.html
- Require `id` to be a valid identifierok
More info:
- https://html-validate.org/rules/valid-id.html
- Disallow void element with contentok
More info:
- https://html-validate.org/rules/void-content.html
ESLint JS
4.75
Results collected at 2025-11-17
Security section:
- Javascript, disallow javascript: URLserror
More info:
- https://eslint.org/docs/latest/rules/no-script-url
Tested:
- https://dariuszwozniak.net/_next/static/chunks/62b99205-af51972e23fd2e37.js?dpl=dpl_GmwyFpHuqDxKkGQKWd8VSkBys9bq
- Javascript, disallow the use of eval()ok
More info:
- https://eslint.org/docs/latest/rules/no-eval
- Javascript, disallow the use of eval()-like methodsok
More info:
- https://eslint.org/docs/latest/rules/no-implied-eval
Standards section:
- no-debuggerok
More info:
- https://eslint.org/docs/latest/rules/no-debugger
- Javascript, disallow javascript: URLserror
More info:
- https://eslint.org/docs/latest/rules/no-script-url
Tested:
- https://dariuszwozniak.net/_next/static/chunks/62b99205-af51972e23fd2e37.js?dpl=dpl_GmwyFpHuqDxKkGQKWd8VSkBys9bq
- Javascript, disallow the use of eval()ok
More info:
- https://eslint.org/docs/latest/rules/no-eval
- Javascript, disallow the use of eval()-like methodsok
More info:
- https://eslint.org/docs/latest/rules/no-implied-eval
Standards section:
- no-debuggerok
More info:
- https://eslint.org/docs/latest/rules/no-debugger
Lighthouse
4.20
Results collected at 2025-11-17
- Performance only 3.80
- Accessibility only 4.00
- errors-in-consoleerror
Tested:
- https://dariuszwozniak.net/
- Issues in the `Issues` panel in Chrome Devtoolserror
Tested:
- https://dariuszwozniak.net/
- Uses HTTPSok
Tested:
- https://dariuszwozniak.net/
- geolocation-on-startok
Tested:
- https://dariuszwozniak.net/
- notification-on-startok
Tested:
- https://dariuszwozniak.net/
- csp-xssok
Tested:
- https://dariuszwozniak.net/
- has-hstsok
Tested:
- https://dariuszwozniak.net/
- origin-isolationok
Tested:
- https://dariuszwozniak.net/
- trusted-types-xssok
Tested:
- https://dariuszwozniak.net/
- paste-preventing-inputsok
Tested:
- https://dariuszwozniak.net/
- image-aspect-ratiook
Tested:
- https://dariuszwozniak.net/
- Serves images with low resolutionok
Tested:
- https://dariuszwozniak.net/
- doctypeok
Tested:
- https://dariuszwozniak.net/
- charsetok
Tested:
- https://dariuszwozniak.net/
- deprecationsok
Tested:
- https://dariuszwozniak.net/
- third-party-cookiesok
Tested:
- https://dariuszwozniak.net/
- valid-source-mapsok
Tested:
- https://dariuszwozniak.net/
- is-crawlableok
Tested:
- https://dariuszwozniak.net/
- Document has a `<title>` elementok
Tested:
- https://dariuszwozniak.net/
- meta-descriptionok
Tested:
- https://dariuszwozniak.net/
- http-status-codeok
Tested:
- https://dariuszwozniak.net/
- link-textok
Tested:
- https://dariuszwozniak.net/
- crawlable-anchorsok
Tested:
- https://dariuszwozniak.net/
- robots-txtok
Tested:
- https://dariuszwozniak.net/
- Image elements have `[alt]` attributesok
Tested:
- https://dariuszwozniak.net/
- hreflangok
Tested:
- https://dariuszwozniak.net/
- canonicalok
Tested:
- https://dariuszwozniak.net/
- Redirects HTTP traffic to HTTPSok
- clickjacking-mitigationok
- js-librariesok
- structured-dataok
Accessibility section:
- Background and foreground colors should have a sufficient contrast ratioerror
Tested:
- https://dariuszwozniak.net/
- Touch targets should have sufficient size and spacingerror
Tested:
- https://dariuszwozniak.net/
- `[aria-*]` attributes match their rolesok
Tested:
- https://dariuszwozniak.net/
- ARIA attributes are used as specified for the element's roleok
Tested:
- https://dariuszwozniak.net/
- Deprecated ARIA roles were not usedok
Tested:
- https://dariuszwozniak.net/
- `[aria-hidden="true"]` is not present on the document `<body>`ok
Tested:
- https://dariuszwozniak.net/
- Elements use only permitted ARIA attributesok
Tested:
- https://dariuszwozniak.net/
- `[role]`s have all required `[aria-*]` attributesok
Tested:
- https://dariuszwozniak.net/
- `[role]` values are validok
Tested:
- https://dariuszwozniak.net/
- `[aria-*]` attributes have valid valuesok
Tested:
- https://dariuszwozniak.net/
- `[aria-*]` attributes are valid and not misspelledok
Tested:
- https://dariuszwozniak.net/
- Buttons have an accessible nameok
Tested:
- https://dariuszwozniak.net/
- definition-listok
Tested:
- https://dariuszwozniak.net/
- dlitemok
Tested:
- https://dariuszwozniak.net/
- Document has a `<title>` elementok
Tested:
- https://dariuszwozniak.net/
- Heading elements appear in a sequentially-descending orderok
Tested:
- https://dariuszwozniak.net/
- `<html>` element has a `[lang]` attributeok
Tested:
- https://dariuszwozniak.net/
- `<html>` element has a valid value for its `[lang]` attributeok
Tested:
- https://dariuszwozniak.net/
- Image elements have `[alt]` attributesok
Tested:
- https://dariuszwozniak.net/
- Links have a discernible nameok
Tested:
- https://dariuszwozniak.net/
- Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`)ok
Tested:
- https://dariuszwozniak.net/
- List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elementsok
Tested:
- https://dariuszwozniak.net/
- `[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5ok
Tested:
- https://dariuszwozniak.net/
- landmark-one-mainok
Tested:
- https://dariuszwozniak.net/
- label-content-name-mismatchok
Tested:
- https://dariuszwozniak.net/
- accesskeysok
- aria-command-nameok
- aria-dialog-nameok
- `[aria-hidden="true"]` elements do not contain focusable descendentsok
- aria-input-field-nameok
- aria-meter-nameok
- aria-progressbar-nameok
- Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required childrenok
- `[role]`s are contained by their required parent elementok
- aria-textok
- aria-toggle-field-nameok
- aria-tooltip-nameok
- aria-treeitem-nameok
- bypassok
- duplicate-id-ariaok
- form-field-multiple-labelsok
- frame-titleok
- html-xml-lang-mismatchok
- input-button-nameok
- input-image-altok
- labelok
- Links are distinguishable without relying on colorok
- meta-refreshok
- object-altok
- select-nameok
- skip-linkok
- tabindexok
- td-headers-attrok
- th-has-data-cellsok
- valid-langok
- video-captionok
- focusable-controlsok
- interactive-element-affordanceok
- logical-tab-orderok
- visual-order-follows-domok
- focus-trapsok
- managed-focusok
- use-landmarksok
- offscreen-content-hiddenok
- custom-controls-labelsok
- custom-controls-rolesok
- table-duplicate-nameok
- empty-headingok
- Uses ARIA roles only on compatible elementsok
- Image elements do not have `[alt]` attributes that are redundant textok
- identical-links-same-purposeok
- table-fake-captionok
- td-has-headerok
Performance section:
- Network dependency treeerror
Tested:
- https://dariuszwozniak.net/
- Reduce unused JavaScripterror
Tested:
- https://dariuszwozniak.net/
- Largest Contentful Paintwarning
Tested:
- https://dariuszwozniak.net/
- Improve image deliverywarning
Tested:
- https://dariuszwozniak.net/
- Legacy JavaScriptwarning
Tested:
- https://dariuszwozniak.net/
- Render-blocking requestswarning
Tested:
- https://dariuszwozniak.net/
- First Contentful Paintok
Tested:
- https://dariuszwozniak.net/
- Total Blocking Timeok
Tested:
- https://dariuszwozniak.net/
- Cumulative Layout Shiftok
Tested:
- https://dariuszwozniak.net/
- Speed Indexok
Tested:
- https://dariuszwozniak.net/
- cache-insightok
Tested:
- https://dariuszwozniak.net/
- Layout shift culpritsok
Tested:
- https://dariuszwozniak.net/
- Document request latencyok
Tested:
- https://dariuszwozniak.net/
- Optimize DOM sizeok
Tested:
- https://dariuszwozniak.net/
- Duplicated JavaScriptok
Tested:
- https://dariuszwozniak.net/
- Font displayok
Tested:
- https://dariuszwozniak.net/
- forced-reflow-insightok
Tested:
- https://dariuszwozniak.net/
- lcp-breakdown-insightok
Tested:
- https://dariuszwozniak.net/
- 3rd partiesok
Tested:
- https://dariuszwozniak.net/
- Optimize viewport for mobileok
Tested:
- https://dariuszwozniak.net/
- Time to Interactiveok
Tested:
- https://dariuszwozniak.net/
- Max Potential First Input Delayok
Tested:
- https://dariuszwozniak.net/
- Minify CSSok
Tested:
- https://dariuszwozniak.net/
- Minify JavaScriptok
Tested:
- https://dariuszwozniak.net/
- Reduce unused CSSok
Tested:
- https://dariuszwozniak.net/
- Avoids enormous network payloadsok
Tested:
- https://dariuszwozniak.net/
- JavaScript execution timeok
Tested:
- https://dariuszwozniak.net/
- Minimizes main-thread workok
Tested:
- https://dariuszwozniak.net/
- Avoids long main-thread tasksok
Tested:
- https://dariuszwozniak.net/
- Image elements have explicit `width` and `height`ok
Tested:
- https://dariuszwozniak.net/
- Network Requestsok
Tested:
- https://dariuszwozniak.net/
- Network Round Trip Timesok
Tested:
- https://dariuszwozniak.net/
- Server Backend Latenciesok
Tested:
- https://dariuszwozniak.net/
- Main thread tasksok
Tested:
- https://dariuszwozniak.net/
- Diagnosticsok
Tested:
- https://dariuszwozniak.net/
- Metricsok
Tested:
- https://dariuszwozniak.net/
- Screenshot Thumbnailsok
Tested:
- https://dariuszwozniak.net/
- final-screenshotok
Tested:
- https://dariuszwozniak.net/
- script-treemap-dataok
Tested:
- https://dariuszwozniak.net/
- resource-summaryok
Tested:
- https://dariuszwozniak.net/
- Avoid multiple page redirectsok
Tested:
- https://dariuszwozniak.net/
- Initial server response time was shortok
Tested:
- https://dariuszwozniak.net/
- Avoid large layout shiftsok
Tested:
- https://dariuszwozniak.net/
- inp-breakdown-insightok
- LCP request discoveryok
- user-timingsok
- non-composited-animationsok
- Accessibility only 4.00
- errors-in-consoleerror
Tested:
- https://dariuszwozniak.net/
- Issues in the `Issues` panel in Chrome Devtoolserror
Tested:
- https://dariuszwozniak.net/
- Uses HTTPSok
Tested:
- https://dariuszwozniak.net/
- geolocation-on-startok
Tested:
- https://dariuszwozniak.net/
- notification-on-startok
Tested:
- https://dariuszwozniak.net/
- csp-xssok
Tested:
- https://dariuszwozniak.net/
- has-hstsok
Tested:
- https://dariuszwozniak.net/
- origin-isolationok
Tested:
- https://dariuszwozniak.net/
- trusted-types-xssok
Tested:
- https://dariuszwozniak.net/
- paste-preventing-inputsok
Tested:
- https://dariuszwozniak.net/
- image-aspect-ratiook
Tested:
- https://dariuszwozniak.net/
- Serves images with low resolutionok
Tested:
- https://dariuszwozniak.net/
- doctypeok
Tested:
- https://dariuszwozniak.net/
- charsetok
Tested:
- https://dariuszwozniak.net/
- deprecationsok
Tested:
- https://dariuszwozniak.net/
- third-party-cookiesok
Tested:
- https://dariuszwozniak.net/
- valid-source-mapsok
Tested:
- https://dariuszwozniak.net/
- is-crawlableok
Tested:
- https://dariuszwozniak.net/
- Document has a `<title>` elementok
Tested:
- https://dariuszwozniak.net/
- meta-descriptionok
Tested:
- https://dariuszwozniak.net/
- http-status-codeok
Tested:
- https://dariuszwozniak.net/
- link-textok
Tested:
- https://dariuszwozniak.net/
- crawlable-anchorsok
Tested:
- https://dariuszwozniak.net/
- robots-txtok
Tested:
- https://dariuszwozniak.net/
- Image elements have `[alt]` attributesok
Tested:
- https://dariuszwozniak.net/
- hreflangok
Tested:
- https://dariuszwozniak.net/
- canonicalok
Tested:
- https://dariuszwozniak.net/
- Redirects HTTP traffic to HTTPSok
- clickjacking-mitigationok
- js-librariesok
- structured-dataok
Accessibility section:
- Background and foreground colors should have a sufficient contrast ratioerror
Tested:
- https://dariuszwozniak.net/
- Touch targets should have sufficient size and spacingerror
Tested:
- https://dariuszwozniak.net/
- `[aria-*]` attributes match their rolesok
Tested:
- https://dariuszwozniak.net/
- ARIA attributes are used as specified for the element's roleok
Tested:
- https://dariuszwozniak.net/
- Deprecated ARIA roles were not usedok
Tested:
- https://dariuszwozniak.net/
- `[aria-hidden="true"]` is not present on the document `<body>`ok
Tested:
- https://dariuszwozniak.net/
- Elements use only permitted ARIA attributesok
Tested:
- https://dariuszwozniak.net/
- `[role]`s have all required `[aria-*]` attributesok
Tested:
- https://dariuszwozniak.net/
- `[role]` values are validok
Tested:
- https://dariuszwozniak.net/
- `[aria-*]` attributes have valid valuesok
Tested:
- https://dariuszwozniak.net/
- `[aria-*]` attributes are valid and not misspelledok
Tested:
- https://dariuszwozniak.net/
- Buttons have an accessible nameok
Tested:
- https://dariuszwozniak.net/
- definition-listok
Tested:
- https://dariuszwozniak.net/
- dlitemok
Tested:
- https://dariuszwozniak.net/
- Document has a `<title>` elementok
Tested:
- https://dariuszwozniak.net/
- Heading elements appear in a sequentially-descending orderok
Tested:
- https://dariuszwozniak.net/
- `<html>` element has a `[lang]` attributeok
Tested:
- https://dariuszwozniak.net/
- `<html>` element has a valid value for its `[lang]` attributeok
Tested:
- https://dariuszwozniak.net/
- Image elements have `[alt]` attributesok
Tested:
- https://dariuszwozniak.net/
- Links have a discernible nameok
Tested:
- https://dariuszwozniak.net/
- Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`)ok
Tested:
- https://dariuszwozniak.net/
- List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elementsok
Tested:
- https://dariuszwozniak.net/
- `[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5ok
Tested:
- https://dariuszwozniak.net/
- landmark-one-mainok
Tested:
- https://dariuszwozniak.net/
- label-content-name-mismatchok
Tested:
- https://dariuszwozniak.net/
- accesskeysok
- aria-command-nameok
- aria-dialog-nameok
- `[aria-hidden="true"]` elements do not contain focusable descendentsok
- aria-input-field-nameok
- aria-meter-nameok
- aria-progressbar-nameok
- Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required childrenok
- `[role]`s are contained by their required parent elementok
- aria-textok
- aria-toggle-field-nameok
- aria-tooltip-nameok
- aria-treeitem-nameok
- bypassok
- duplicate-id-ariaok
- form-field-multiple-labelsok
- frame-titleok
- html-xml-lang-mismatchok
- input-button-nameok
- input-image-altok
- labelok
- Links are distinguishable without relying on colorok
- meta-refreshok
- object-altok
- select-nameok
- skip-linkok
- tabindexok
- td-headers-attrok
- th-has-data-cellsok
- valid-langok
- video-captionok
- focusable-controlsok
- interactive-element-affordanceok
- logical-tab-orderok
- visual-order-follows-domok
- focus-trapsok
- managed-focusok
- use-landmarksok
- offscreen-content-hiddenok
- custom-controls-labelsok
- custom-controls-rolesok
- table-duplicate-nameok
- empty-headingok
- Uses ARIA roles only on compatible elementsok
- Image elements do not have `[alt]` attributes that are redundant textok
- identical-links-same-purposeok
- table-fake-captionok
- td-has-headerok
Performance section:
- Network dependency treeerror
Tested:
- https://dariuszwozniak.net/
- Reduce unused JavaScripterror
Tested:
- https://dariuszwozniak.net/
- Largest Contentful Paintwarning
Tested:
- https://dariuszwozniak.net/
- Improve image deliverywarning
Tested:
- https://dariuszwozniak.net/
- Legacy JavaScriptwarning
Tested:
- https://dariuszwozniak.net/
- Render-blocking requestswarning
Tested:
- https://dariuszwozniak.net/
- First Contentful Paintok
Tested:
- https://dariuszwozniak.net/
- Total Blocking Timeok
Tested:
- https://dariuszwozniak.net/
- Cumulative Layout Shiftok
Tested:
- https://dariuszwozniak.net/
- Speed Indexok
Tested:
- https://dariuszwozniak.net/
- cache-insightok
Tested:
- https://dariuszwozniak.net/
- Layout shift culpritsok
Tested:
- https://dariuszwozniak.net/
- Document request latencyok
Tested:
- https://dariuszwozniak.net/
- Optimize DOM sizeok
Tested:
- https://dariuszwozniak.net/
- Duplicated JavaScriptok
Tested:
- https://dariuszwozniak.net/
- Font displayok
Tested:
- https://dariuszwozniak.net/
- forced-reflow-insightok
Tested:
- https://dariuszwozniak.net/
- lcp-breakdown-insightok
Tested:
- https://dariuszwozniak.net/
- 3rd partiesok
Tested:
- https://dariuszwozniak.net/
- Optimize viewport for mobileok
Tested:
- https://dariuszwozniak.net/
- Time to Interactiveok
Tested:
- https://dariuszwozniak.net/
- Max Potential First Input Delayok
Tested:
- https://dariuszwozniak.net/
- Minify CSSok
Tested:
- https://dariuszwozniak.net/
- Minify JavaScriptok
Tested:
- https://dariuszwozniak.net/
- Reduce unused CSSok
Tested:
- https://dariuszwozniak.net/
- Avoids enormous network payloadsok
Tested:
- https://dariuszwozniak.net/
- JavaScript execution timeok
Tested:
- https://dariuszwozniak.net/
- Minimizes main-thread workok
Tested:
- https://dariuszwozniak.net/
- Avoids long main-thread tasksok
Tested:
- https://dariuszwozniak.net/
- Image elements have explicit `width` and `height`ok
Tested:
- https://dariuszwozniak.net/
- Network Requestsok
Tested:
- https://dariuszwozniak.net/
- Network Round Trip Timesok
Tested:
- https://dariuszwozniak.net/
- Server Backend Latenciesok
Tested:
- https://dariuszwozniak.net/
- Main thread tasksok
Tested:
- https://dariuszwozniak.net/
- Diagnosticsok
Tested:
- https://dariuszwozniak.net/
- Metricsok
Tested:
- https://dariuszwozniak.net/
- Screenshot Thumbnailsok
Tested:
- https://dariuszwozniak.net/
- final-screenshotok
Tested:
- https://dariuszwozniak.net/
- script-treemap-dataok
Tested:
- https://dariuszwozniak.net/
- resource-summaryok
Tested:
- https://dariuszwozniak.net/
- Avoid multiple page redirectsok
Tested:
- https://dariuszwozniak.net/
- Initial server response time was shortok
Tested:
- https://dariuszwozniak.net/
- Avoid large layout shiftsok
Tested:
- https://dariuszwozniak.net/
- inp-breakdown-insightok
- LCP request discoveryok
- user-timingsok
- non-composited-animationsok