Webperf result herlitz.io

Standards section:
- Page not found, has unexpected 404 responsewarning
Tested:
- https://www.herlitz.io/

- Page not found, no valid title foundwarning
Tested:
- https://www.herlitz.io/c5230/finns-det-en-sida/pa-den-har-adressen/testanrop/

- Page not found, no valid h1 header foundwarning
Tested:
- https://www.herlitz.io/c5230/finns-det-en-sida/pa-den-har-adressen/testanrop/

- Page not found, invalid text foundwarning
Tested:
- https://www.herlitz.io/c5230/finns-det-en-sida/pa-den-har-adressen/testanrop/

- Page not found, no valid body text found, may because it is too shortwarning
Tested:
- https://www.herlitz.io/c5230/finns-det-en-sida/pa-den-har-adressen/testanrop/

- Page not found, has expected 404 responseok
- Page not found, valid text foundok
- Page not found, valid 404 response status code usedok
- Page not found, used supported localeok
- Page not found, network is usableok

Security section:
- security.txt is missing the required contact infowarning
Tested:
- https://www.herlitz.io/.well-known/security.txt

- Sitemap, Url in <loc> has to start with https://ok
- security.txt is missingok
- security.txt has incorrect contentok
- security.txt requires expiration information (added in draft v10) is missingok

Standards section:
- robots.txt is missing, not allowed to download or has not the expected contenterror
Tested:
- https://www.herlitz.io/robots.txt

- Sitemap is not specified in robots.txterror
Tested:
- https://www.herlitz.io/

- Feed is missing in the HTML's metadatawarning
Tested:
- https://www.herlitz.io/

- 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

Performance section:
- [desktop] TTFB (Time to First Byte): 168.67ms, ±51.33ms 5.00
- [desktop] DOMContentLoaded: 407.00ms, ±7.00ms 5.00
- [desktop] LCP (Largest Contentful Paint): 861.33ms, ±208.67ms 3.00
- [desktop] Load: 885.67ms, ±45.33ms 4.23
- [desktop] CLS (Cumulative Layout Shift): 0.00ms, ±0.00ms 5.00
- [desktop] FirstVisualChange: 484.00ms, ±16.00ms 5.00
- [desktop] SpeedIndex: 668.00ms, ±97.00ms 4.66
- [desktop] VisualComplete85: 884.50ms, ±215.50ms 4.23
- [desktop] FCP (First Contentful Paint): 458.00ms, ±0.00ms 5.00
- [desktop] TBT (Total Blocking Time): 0.00ms, ±0.00ms 5.00
- [desktop] firstPaint: 458.00ms, ±18.00ms
- [desktop] LastVisualChange: 932.50ms, ±197.50ms
- [mobile] TTFB (Time to First Byte): 138.00ms, ±8.00ms 5.00
- [mobile] DOMContentLoaded: 420.00ms, ±88.00ms 5.00
- [mobile] LCP (Largest Contentful Paint): 654.00ms, ±58.00ms 5.00
- [mobile] Load: 837.67ms, ±86.33ms 5.00
- [mobile] FirstVisualChange: 467.00ms, ±67.00ms 5.00
- [mobile] SpeedIndex: 675.50ms, ±61.50ms 5.00
- [mobile] VisualComplete85: 667.00ms, ±67.00ms 5.00
- [mobile] FCP (First Contentful Paint): 470.00ms, ±0.00ms 5.00
- [mobile] CLS (Cumulative Layout Shift): 0.00ms, ±0.00ms 5.00
- [mobile] TBT (Total Blocking Time): 0.00ms, ±0.00ms 5.00
- [mobile] firstPaint: 470.00ms, ±66.00ms
- [mobile] LastVisualChange: 2435.00ms, ±65.00ms

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 3.98:1. Recommendation: change text colour to #0072ed.error
Tested:
- https://www.herlitz.io/

- Img element missing an alt attribute. Use the alt attribute to specify a short text alternative.error
Tested:
- https://www.herlitz.io/

- This searchinput element does not have a name available to an accessibility API. Valid names are: label element, title , aria-label , aria-labelledby .error
Tested:
- https://www.herlitz.io/

- 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 3.04:1. Recommendation: change background to #008297.error
Tested:
- https://www.herlitz.io/

- 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 2.97:1. Recommendation: change background to #4374cc.error
Tested:
- https://www.herlitz.io/

- Img element is the only content of the link, but is missing alt text. The alt text should describe the purpose of the link.error
Tested:
- https://www.herlitz.io/

- Rather poor on user privacy.

Security section:
- HTTPS by default is good! 5.00
- Strict Transport Security is pretty bad. 1.00
- 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 ok, with 1 error(s) and 0 warning(s). 4.50
- Cookies is ok, with 5 error(s) and 0 warning(s). 2.50

- Webpage generates very little carbon dioxide!
- Carbon dioxide per pageview: 0.7 gram(s)
- More green than 99 % of the websites tested by webperf.se (Reference updated: 2025-01-09).
- Network transfer size: 1.11 MB 5.00

- Web server used: nginx
- Technology used: asp.net, c, imagevault, js, mysql, php, sass, scss
- License(s) used: gpl-3.0, mit
- Metadata used: viewport
- Javascript libraries used: angular.js, angularslideables, bootstrap, jquery, lity, matomo, scripty2, shifty, ui-scrollpoint
- Languages found: sv
- Image formats used: ico, png

Accessibility section:
##### You don't seem to be using accessibility overlay software 5.00

Security section:
##### Software related to CVE:s 1.0

###### Introduction:
Software version used is affected by vulnerability described below.
In most cases you can fix a CVE related issue by updating software to latest version.
In some rare cases there is no update and you need to consider not using the software affected.

###### Common Vulnerabilities and Exposures
- CVE-2026-1642
- CVE-2025-53859
- CVE-2025-23419
- CVE-2024-7347
- CVE-2022-41741
- CVE-2022-41742
- CVE-2021-23017
- CVE-2024-6531
- CVE-2020-23064
- CVE-2020-11023
- CVE-2020-11022
- CVE-2019-5428
- CVE-2019-11358

###### Detected software(s):
- nginx 1.18.0
- bootstrap 4.3.1
- jquery 3.3.1

###### Affected resource(s):
- https://www.herlitz.io/
- https://www.herlitz.io/site/site.min.css?v=0wSTJP0CSqCSxWmvWLcOxwTeiajjiqy_qtEENNINuZ812
- https://www.herlitz.io/bundles/scripts?v=0wSTJP0CSqCSxWmvWLcOxwTeiajjiqy_qtEENNINuZ81
- https://www.herlitz.io/imagevault/publishedmedia/lpqj1eyt9qnbm4jnw8a9/ovmp_small.png
- https://www.herlitz.io/content/prettify/prettify.css
- https://matomo.herlitz.io/matomo.js
- https://www.herlitz.io/api/BlogPosts/GetLatestPosts?skip=0&take=10
- https://www.herlitz.io/Static/Blog/Templates/BlogList.html
- https://matomo.herlitz.io/matomo.php?action_name=Eric%20Herlitz&idsite=1&rec=1&r=549820&h=18&m=27&s=55&url=https%3A%2F%2Fwww.herlitz.io%2F&_id=45fdfc4a6231a88b&_idn=1&send_image=0&_refts=0&pv_id=tRon0B&pf_net=48&pf_srv=52&pf_tfr=3&pf_dm1=159&uadata=%7B%22fullVersionList%22%3A%5B%7B%22brand%22%3A%22Not(A%3ABrand%22%2C%22version%22%3A%228.0.0.0%22%7D%2C%7B%22brand%22%3A%22Chromium%22%2C%22version%22%3A%22144.0.7559.59%22%7D%2C%7B%22brand%22%3A%22Google%20Chrome%22%2C%22version%22%3A%22144.0.7559.59%22%7D%5D%2C%22mobile%22%3Afalse%2C%22model%22%3A%22%22%2C%22platform%22%3A%22Linux%22%2C%22platformVersion%22%3A%22%22%7D&pdf=1&qt=0&realp=0&wma=0&fla=0&java=0&ag=0&cookie=1&res=800x600
- https://www.herlitz.io/%7B%7Bitem.IntroImage%7D%7D
- https://www.herlitz.io/imagevault/publishedmedia/j2lp6c2wkcqa11ifz0em/Multiple_auth_providers_horizontal.png
- https://www.herlitz.io/imagevault/publishedmedia/yt9xcgmb0ul1djjtycae/applicationinsightsroles2.png
- https://www.herlitz.io/imagevault/publishedmedia/ib03zmat6nxku6j2y6zu/proxmox_meta-package_proxmox-ve.png
- https://www.herlitz.io/imagevault/publishedmedia/p5ojvsu6wcvo2qiq6i97/portainer3.png
- https://www.herlitz.io/imagevault/publishedmedia/arbhk568igqlnwhgapzw/OptimizelyTerminal04DotnetRun.png
##### Software is behind >=50 versions 2.5

###### Introduction:
Software used is behind 50 or more version compared to latests.
This is a very good indicator that you need to update to latest version.
It also indicate that you don't have a good package routine for your software.
You can fix this by updating software to latest version.

###### Detected software(s):
- nginx 1.18.0
- php 8.2.15

###### Affected resource(s):
- https://www.herlitz.io/
- https://www.herlitz.io/site/site.min.css?v=0wSTJP0CSqCSxWmvWLcOxwTeiajjiqy_qtEENNINuZ812
- https://www.herlitz.io/bundles/scripts?v=0wSTJP0CSqCSxWmvWLcOxwTeiajjiqy_qtEENNINuZ81
- https://www.herlitz.io/imagevault/publishedmedia/lpqj1eyt9qnbm4jnw8a9/ovmp_small.png
- https://www.herlitz.io/content/prettify/prettify.css
- https://matomo.herlitz.io/matomo.js
- https://www.herlitz.io/api/BlogPosts/GetLatestPosts?skip=0&take=10
- https://www.herlitz.io/Static/Blog/Templates/BlogList.html
- https://matomo.herlitz.io/matomo.php?action_name=Eric%20Herlitz&idsite=1&rec=1&r=549820&h=18&m=27&s=55&url=https%3A%2F%2Fwww.herlitz.io%2F&_id=45fdfc4a6231a88b&_idn=1&send_image=0&_refts=0&pv_id=tRon0B&pf_net=48&pf_srv=52&pf_tfr=3&pf_dm1=159&uadata=%7B%22fullVersionList%22%3A%5B%7B%22brand%22%3A%22Not(A%3ABrand%22%2C%22version%22%3A%228.0.0.0%22%7D%2C%7B%22brand%22%3A%22Chromium%22%2C%22version%22%3A%22144.0.7559.59%22%7D%2C%7B%22brand%22%3A%22Google%20Chrome%22%2C%22version%22%3A%22144.0.7559.59%22%7D%5D%2C%22mobile%22%3Afalse%2C%22model%22%3A%22%22%2C%22platform%22%3A%22Linux%22%2C%22platformVersion%22%3A%22%22%7D&pdf=1&qt=0&realp=0&wma=0&fla=0&java=0&ag=0&cookie=1&res=800x600
- https://www.herlitz.io/%7B%7Bitem.IntroImage%7D%7D
- https://www.herlitz.io/imagevault/publishedmedia/j2lp6c2wkcqa11ifz0em/Multiple_auth_providers_horizontal.png
- https://www.herlitz.io/imagevault/publishedmedia/yt9xcgmb0ul1djjtycae/applicationinsightsroles2.png
- https://www.herlitz.io/imagevault/publishedmedia/ib03zmat6nxku6j2y6zu/proxmox_meta-package_proxmox-ve.png
- https://www.herlitz.io/imagevault/publishedmedia/p5ojvsu6wcvo2qiq6i97/portainer3.png
- https://www.herlitz.io/imagevault/publishedmedia/arbhk568igqlnwhgapzw/OptimizelyTerminal04DotnetRun.png
##### Software is behind >=25 versions 2.75

###### Introduction:
Software used is behind 25 or more version compared to latests.
This is a good indicator that you need to update to latest version.
It also indicate that you don't have a good package routine for your software.
You can fix this by updating software to latest version.

###### Detected software(s):
- bootstrap 4.3.1

###### Affected resource(s):
- https://www.herlitz.io/bundles/scripts?v=0wSTJP0CSqCSxWmvWLcOxwTeiajjiqy_qtEENNINuZ81
##### Software is behind >=10 versions 3.0

###### Introduction:
Software used is behind 10 or more version compared to latests.
This is a semi good indicator that you need to update to latest version.
It also indicate that you don't have a good package routine for your software.
You can fix this by updating software to latest version.

###### Detected software(s):
- jquery 3.3.1

###### Affected resource(s):
- https://www.herlitz.io/bundles/scripts?v=0wSTJP0CSqCSxWmvWLcOxwTeiajjiqy_qtEENNINuZ81
##### Software has been marked as archived 1.75

###### Introduction:
You seem to use software that has been marked as archived, this means it doesn't get any new features or security updates.
To fix this you need to find an alternative, often developers try to point you in the correct direction if you visit the place you got it from.

###### Detected software(s):
- angular.js

###### Affected resource(s):
- https://www.herlitz.io/bundles/scripts?v=0wSTJP0CSqCSxWmvWLcOxwTeiajjiqy_qtEENNINuZ81
##### You don't seem to be using 'END OF LIFE' software 5.00

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://www.herlitz.io/site/site.min.css?v=0wSTJP0CSqCSxWmvWLcOxwTeiajjiqy_qtEENNINuZ812

- CSS, Disallow deprecated propertieswarning
More info:
- https://stylelint.io/user-guide/rules/property-no-deprecated

Tested:
- https://www.herlitz.io/site/site.min.css?v=0wSTJP0CSqCSxWmvWLcOxwTeiajjiqy_qtEENNINuZ812

- CSS, Disallow deprecated keywords for properties within declarationswarning
More info:
- https://stylelint.io/user-guide/rules/declaration-property-value-keyword-no-deprecated

Tested:
- https://www.herlitz.io/site/site.min.css?v=0wSTJP0CSqCSxWmvWLcOxwTeiajjiqy_qtEENNINuZ812

- CSS, Disallow deprecated media typeswarning
More info:
- https://stylelint.io/user-guide/rules/media-type-no-deprecated

Tested:
- https://www.herlitz.io/content/prettify/prettify.css
- https://www.herlitz.io/site/site.min.css?v=0wSTJP0CSqCSxWmvWLcOxwTeiajjiqy_qtEENNINuZ812

- 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 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 custom propertiesok
More info:
- https://stylelint.io/user-guide/rules/no-unknown-custom-properties

- 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

Standards section:
- Disallow the use of unescaped special characterserror
More info:
- https://html-validate.org/rules/no-raw-characters.html

Tested:
- https://www.herlitz.io/Static/Blog/Templates/BlogList.html

- Validate permitted contentwarning
More info:
- https://html-validate.org/rules/element-permitted-content.html

Tested:
- https://www.herlitz.io/Static/Blog/Templates/BlogList.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 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 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

Security section:
- Javascript, disallow the use of eval()error
More info:
- https://eslint.org/docs/latest/rules/no-eval

Tested:
- https://www.herlitz.io/bundles/scripts?v=0wSTJP0CSqCSxWmvWLcOxwTeiajjiqy_qtEENNINuZ81

- Javascript, disallow the use of eval()-like methodsok
More info:
- https://eslint.org/docs/latest/rules/no-implied-eval

- Javascript, disallow javascript: URLsok
More info:
- https://eslint.org/docs/latest/rules/no-script-url

Standards section:
- no-debuggerok
More info:
- https://eslint.org/docs/latest/rules/no-debugger

- Performance only 4.85
- Accessibility only 2.50

- errors-in-consoleerror
Tested:
- https://www.herlitz.io/

- valid-source-mapserror
Tested:
- https://www.herlitz.io/

- is-crawlableerror
Tested:
- https://www.herlitz.io/

- meta-descriptionerror
Tested:
- https://www.herlitz.io/

- Image elements should have `[alt]` attributeserror
Tested:
- https://www.herlitz.io/

- Uses HTTPSok
Tested:
- https://www.herlitz.io/

- geolocation-on-startok
Tested:
- https://www.herlitz.io/

- notification-on-startok
Tested:
- https://www.herlitz.io/

- csp-xssok
Tested:
- https://www.herlitz.io/

- has-hstsok
Tested:
- https://www.herlitz.io/

- origin-isolationok
Tested:
- https://www.herlitz.io/

- clickjacking-mitigationok
Tested:
- https://www.herlitz.io/

- trusted-types-xssok
Tested:
- https://www.herlitz.io/

- paste-preventing-inputsok
Tested:
- https://www.herlitz.io/

- image-aspect-ratiook
Tested:
- https://www.herlitz.io/

- Serves images with low resolutionok
Tested:
- https://www.herlitz.io/

- doctypeok
Tested:
- https://www.herlitz.io/

- charsetok
Tested:
- https://www.herlitz.io/

- js-librariesok
Tested:
- https://www.herlitz.io/

- deprecationsok
Tested:
- https://www.herlitz.io/

- third-party-cookiesok
Tested:
- https://www.herlitz.io/

- No issues in the `Issues` panel in Chrome Devtoolsok
Tested:
- https://www.herlitz.io/

- Document has a `<title>` elementok
Tested:
- https://www.herlitz.io/

- http-status-codeok
Tested:
- https://www.herlitz.io/

- link-textok
Tested:
- https://www.herlitz.io/

- crawlable-anchorsok
Tested:
- https://www.herlitz.io/

- hreflangok
Tested:
- https://www.herlitz.io/

- Redirects HTTP traffic to HTTPSok
- robots-txtok
- canonicalok
- structured-dataok

Accessibility section:
- Background and foreground colors should have a sufficient contrast ratioerror
Tested:
- https://www.herlitz.io/

- Image elements should have `[alt]` attributeserror
Tested:
- https://www.herlitz.io/

- Links should have a discernible nameerror
Tested:
- https://www.herlitz.io/

- Touch targets should have sufficient size and spacingerror
Tested:
- https://www.herlitz.io/

- landmark-one-mainerror
Tested:
- https://www.herlitz.io/

- `[aria-*]` attributes match their rolesok
Tested:
- https://www.herlitz.io/

- ARIA attributes are used as specified for the element's roleok
Tested:
- https://www.herlitz.io/

- `[aria-hidden="true"]` is not present on the document `<body>`ok
Tested:
- https://www.herlitz.io/

- Elements use only permitted ARIA attributesok
Tested:
- https://www.herlitz.io/

- `[aria-*]` attributes have valid valuesok
Tested:
- https://www.herlitz.io/

- `[aria-*]` attributes are valid and not misspelledok
Tested:
- https://www.herlitz.io/

- Buttons have an accessible nameok
Tested:
- https://www.herlitz.io/

- Document has a `<title>` elementok
Tested:
- https://www.herlitz.io/

- Heading elements appear in a sequentially-descending orderok
Tested:
- https://www.herlitz.io/

- `<html>` element has a `[lang]` attributeok
Tested:
- https://www.herlitz.io/

- `<html>` element has a valid value for its `[lang]` attributeok
Tested:
- https://www.herlitz.io/

- labelok
Tested:
- https://www.herlitz.io/

- `[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5ok
Tested:
- https://www.herlitz.io/

- accesskeysok
- aria-command-nameok
- Deprecated ARIA roles were not usedok
- aria-dialog-nameok
- `[aria-hidden="true"]` elements do not contain focusable descendentsok
- aria-input-field-nameok
- aria-meter-nameok
- aria-progressbar-nameok
- `[role]`s have all required `[aria-*]` attributesok
- 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
- `[role]` values are validok
- aria-textok
- aria-toggle-field-nameok
- aria-tooltip-nameok
- aria-treeitem-nameok
- bypassok
- definition-listok
- dlitemok
- duplicate-id-ariaok
- form-field-multiple-labelsok
- frame-titleok
- html-xml-lang-mismatchok
- input-button-nameok
- input-image-altok
- Links are distinguishable without relying on colorok
- Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`)ok
- List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elementsok
- 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
- label-content-name-mismatchok
- table-fake-captionok
- td-has-headerok

Performance section:
- First Contentful Painterror
Tested:
- https://www.herlitz.io/

- Largest Contentful Painterror
Tested:
- https://www.herlitz.io/

- cache-insighterror
Tested:
- https://www.herlitz.io/

- Font displayerror
Tested:
- https://www.herlitz.io/

- Improve image deliveryerror
Tested:
- https://www.herlitz.io/

- Network dependency treeerror
Tested:
- https://www.herlitz.io/

- Render-blocking requestserror
Tested:
- https://www.herlitz.io/

- Minify JavaScripterror
Tested:
- https://www.herlitz.io/

- Reduce unused CSSerror
Tested:
- https://www.herlitz.io/

- Reduce unused JavaScripterror
Tested:
- https://www.herlitz.io/

- Speed Indexwarning
Tested:
- https://www.herlitz.io/

- Time to Interactivewarning
Tested:
- https://www.herlitz.io/

- Image elements should have explicit `width` and `height`warning
Tested:
- https://www.herlitz.io/

- Total Blocking Timeok
Tested:
- https://www.herlitz.io/

- Cumulative Layout Shiftok
Tested:
- https://www.herlitz.io/

- Layout shift culpritsok
Tested:
- https://www.herlitz.io/

- Document request latencyok
Tested:
- https://www.herlitz.io/

- Optimize DOM sizeok
Tested:
- https://www.herlitz.io/

- Duplicated JavaScriptok
Tested:
- https://www.herlitz.io/

- forced-reflow-insightok
Tested:
- https://www.herlitz.io/

- lcp-breakdown-insightok
Tested:
- https://www.herlitz.io/

- Legacy JavaScriptok
Tested:
- https://www.herlitz.io/

- 3rd partiesok
Tested:
- https://www.herlitz.io/

- Optimize viewport for mobileok
Tested:
- https://www.herlitz.io/

- Max Potential First Input Delayok
Tested:
- https://www.herlitz.io/

- Minify CSSok
Tested:
- https://www.herlitz.io/

- Avoids enormous network payloadsok
Tested:
- https://www.herlitz.io/

- JavaScript execution timeok
Tested:
- https://www.herlitz.io/

- Minimizes main-thread workok
Tested:
- https://www.herlitz.io/

- Avoids long main-thread tasksok
Tested:
- https://www.herlitz.io/

- Network Requestsok
Tested:
- https://www.herlitz.io/

- Network Round Trip Timesok
Tested:
- https://www.herlitz.io/

- Server Backend Latenciesok
Tested:
- https://www.herlitz.io/

- Main thread tasksok
Tested:
- https://www.herlitz.io/

- Diagnosticsok
Tested:
- https://www.herlitz.io/

- Metricsok
Tested:
- https://www.herlitz.io/

- Screenshot Thumbnailsok
Tested:
- https://www.herlitz.io/

- final-screenshotok
Tested:
- https://www.herlitz.io/

- script-treemap-dataok
Tested:
- https://www.herlitz.io/

- resource-summaryok
Tested:
- https://www.herlitz.io/

- Avoid multiple page redirectsok
Tested:
- https://www.herlitz.io/

- Initial server response time was shortok
Tested:
- https://www.herlitz.io/

- inp-breakdown-insightok
- LCP request discoveryok
- user-timingsok
- non-composited-animationsok
- Avoid large layout shiftsok