Webperf result cjsharp.com

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

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

Standards section:
- Sitemap, Url in <loc> must use same domain as robots.txtwarning
Tested:
- https://www.cjsharp.com/

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

- 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, 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): 295.67ms, ±5.33ms 3.00
- [desktop] DOMContentLoaded: 579.67ms, ±64.33ms 4.84
- [desktop] LCP (Largest Contentful Paint): 512.00ms, ±88.00ms 3.00
- [desktop] Load: 580.67ms, ±64.33ms 4.84
- [desktop] FirstVisualChange: 518.50ms, ±84.50ms 4.96
- [desktop] SpeedIndex: 518.50ms, ±84.50ms 4.96
- [desktop] VisualComplete85: 518.50ms, ±84.50ms 4.96
- [desktop] FCP (First Contentful Paint): 512.00ms, ±0.00ms 5.00
- [desktop] CLS (Cumulative Layout Shift): 0.00ms, ±0.00ms 5.00
- [desktop] TBT (Total Blocking Time): 0.00ms, ±0.00ms 5.00
- [desktop] firstPaint: 512.00ms, ±88.00ms
- [desktop] LastVisualChange: 518.50ms, ±84.50ms
- [mobile] TTFB (Time to First Byte): 246.67ms, ±4.33ms 5.00
- [mobile] DOMContentLoaded: 406.67ms, ±57.33ms 5.00
- [mobile] LCP (Largest Contentful Paint): 384.00ms, ±16.00ms 5.00
- [mobile] Load: 459.00ms, ±7.00ms 5.00
- [mobile] FirstVisualChange: 417.00ms, ±50.00ms 5.00
- [mobile] SpeedIndex: 424.50ms, ±49.50ms 5.00
- [mobile] VisualComplete85: 417.00ms, ±50.00ms 5.00
- [mobile] FCP (First Contentful Paint): 384.00ms, ±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: 384.00ms, ±16.00ms
- [mobile] LastVisualChange: 817.00ms, ±17.00ms

Accessibility section:
- Links must be distinguishable without relying on color (https://dequeuniversity.com/rules/axe/4.11/link-in-text-block?application=axeAPI)error
Tested:
- https://www.cjsharp.com/

- The site could be better, but is pretty good.

Security section:
- HTTPS by default is good! 5.00
- HTTP Strict Transport Security HSTS is ok, with 2 error(s) and 0 warning(s). 4.00
- 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 good! 5.00
- HTTP headers is good! 5.00
- Cookies is good! 5.00

- Webpage generates very little carbon dioxide!
- Carbon dioxide per pageview: 0.56 gram(s)
- More green than 99 % of the websites tested by webperf.se (Reference updated: 2025-01-09).
- Network transfer size: 900.15 KB 5.00

- Technology used: js
- Metadata used: apple-touch-icon, icon, preload, viewport
- Javascript libraries used: next.js
- Languages found: en
- Image formats used: ico

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

Security section:
##### NO Common Vulnerabilities and Exposures found 5.00
##### You seem to be up to date for all software we can identify 5.00
##### Opensource software used seem to be maintained 5.00
##### You don't seem to be using 'END OF LIFE' software 5.00

Standards section:
- CSS, Disallow unknown custom propertieserror
More info:
- https://stylelint.io/user-guide/rules/no-unknown-custom-properties

Tested:
- https://www.cjsharp.com/_next/static/chunks/d3b97c3ea2636c21.css

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

Tested:
- https://www.cjsharp.com/_next/static/chunks/d3b97c3ea2636c21.css

- 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.cjsharp.com/_next/static/chunks/d3b97c3ea2636c21.css

- 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 unknown values for properties within declarationsok
More info:
- https://stylelint.io/user-guide/rules/declaration-property-value-no-unknown

- 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

Standards section:
- Require `id` to be a valid identifiererror
More info:
- https://html-validate.org/rules/valid-id.html

Tested:
- https://www.cjsharp.com/

- 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

- Disallow void element with contentok
More info:
- https://html-validate.org/rules/void-content.html

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

Tested:
- https://www.cjsharp.com/_next/static/chunks/aee6c7720838f8a2.js

- 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

- Performance only 2.50
- Accessibility only 5.00

- Uses HTTPSok
Tested:
- https://www.cjsharp.com/

- geolocation-on-startok
Tested:
- https://www.cjsharp.com/

- notification-on-startok
Tested:
- https://www.cjsharp.com/

- csp-xssok
Tested:
- https://www.cjsharp.com/

- origin-isolationok
Tested:
- https://www.cjsharp.com/

- trusted-types-xssok
Tested:
- https://www.cjsharp.com/

- paste-preventing-inputsok
Tested:
- https://www.cjsharp.com/

- image-aspect-ratiook
Tested:
- https://www.cjsharp.com/

- Serves images with low resolutionok
Tested:
- https://www.cjsharp.com/

- doctypeok
Tested:
- https://www.cjsharp.com/

- charsetok
Tested:
- https://www.cjsharp.com/

- deprecationsok
Tested:
- https://www.cjsharp.com/

- third-party-cookiesok
Tested:
- https://www.cjsharp.com/

- errors-in-consoleok
Tested:
- https://www.cjsharp.com/

- valid-source-mapsok
Tested:
- https://www.cjsharp.com/

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

- is-crawlableok
Tested:
- https://www.cjsharp.com/

- Document has a `<title>` elementok
Tested:
- https://www.cjsharp.com/

- meta-descriptionok
Tested:
- https://www.cjsharp.com/

- http-status-codeok
Tested:
- https://www.cjsharp.com/

- link-textok
Tested:
- https://www.cjsharp.com/

- crawlable-anchorsok
Tested:
- https://www.cjsharp.com/

- robots-txtok
Tested:
- https://www.cjsharp.com/

- hreflangok
Tested:
- https://www.cjsharp.com/

- Redirects HTTP traffic to HTTPSok
- has-hstsok
- clickjacking-mitigationok
- js-librariesok
- Image elements have `[alt]` attributesok
- canonicalok
- structured-dataok

Accessibility section:
- `[aria-*]` attributes match their rolesok
Tested:
- https://www.cjsharp.com/

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

- Deprecated ARIA roles were not usedok
Tested:
- https://www.cjsharp.com/

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

- `[aria-hidden="true"]` elements do not contain focusable descendentsok
Tested:
- https://www.cjsharp.com/

- Elements use only permitted ARIA attributesok
Tested:
- https://www.cjsharp.com/

- `[role]`s have all required `[aria-*]` attributesok
Tested:
- https://www.cjsharp.com/

- `[role]` values are validok
Tested:
- https://www.cjsharp.com/

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

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

- Background and foreground colors have a sufficient contrast ratiook
Tested:
- https://www.cjsharp.com/

- Document has a `<title>` elementok
Tested:
- https://www.cjsharp.com/

- Heading elements appear in a sequentially-descending orderok
Tested:
- https://www.cjsharp.com/

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

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

- Links are distinguishable without relying on colorok
Tested:
- https://www.cjsharp.com/

- Links have a discernible nameok
Tested:
- https://www.cjsharp.com/

- Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`)ok
Tested:
- https://www.cjsharp.com/

- List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elementsok
Tested:
- https://www.cjsharp.com/

- `[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.cjsharp.com/

- Touch targets have sufficient size and spacingok
Tested:
- https://www.cjsharp.com/

- landmark-one-mainok
Tested:
- https://www.cjsharp.com/

- identical-links-same-purposeok
Tested:
- https://www.cjsharp.com/

- label-content-name-mismatchok
Tested:
- https://www.cjsharp.com/

- accesskeysok
- aria-command-nameok
- aria-dialog-nameok
- 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
- Buttons have an accessible nameok
- bypassok
- definition-listok
- dlitemok
- duplicate-id-ariaok
- form-field-multiple-labelsok
- frame-titleok
- html-xml-lang-mismatchok
- Image elements have `[alt]` attributesok
- input-button-nameok
- input-image-altok
- labelok
- 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
- table-fake-captionok
- td-has-headerok

Performance section:
- Legacy JavaScripterror
Tested:
- https://www.cjsharp.com/

- Network dependency treeerror
Tested:
- https://www.cjsharp.com/

- Render-blocking requestserror
Tested:
- https://www.cjsharp.com/

- Reduce unused CSSerror
Tested:
- https://www.cjsharp.com/

- Reduce unused JavaScripterror
Tested:
- https://www.cjsharp.com/

- First Contentful Paintok
Tested:
- https://www.cjsharp.com/

- Largest Contentful Paintok
Tested:
- https://www.cjsharp.com/

- Total Blocking Timeok
Tested:
- https://www.cjsharp.com/

- Cumulative Layout Shiftok
Tested:
- https://www.cjsharp.com/

- Speed Indexok
Tested:
- https://www.cjsharp.com/

- cache-insightok
Tested:
- https://www.cjsharp.com/

- Layout shift culpritsok
Tested:
- https://www.cjsharp.com/

- Document request latencyok
Tested:
- https://www.cjsharp.com/

- Optimize DOM sizeok
Tested:
- https://www.cjsharp.com/

- Duplicated JavaScriptok
Tested:
- https://www.cjsharp.com/

- Font displayok
Tested:
- https://www.cjsharp.com/

- forced-reflow-insightok
Tested:
- https://www.cjsharp.com/

- Improve image deliveryok
Tested:
- https://www.cjsharp.com/

- lcp-breakdown-insightok
Tested:
- https://www.cjsharp.com/

- 3rd partiesok
Tested:
- https://www.cjsharp.com/

- Optimize viewport for mobileok
Tested:
- https://www.cjsharp.com/

- Time to Interactiveok
Tested:
- https://www.cjsharp.com/

- Max Potential First Input Delayok
Tested:
- https://www.cjsharp.com/

- Minify CSSok
Tested:
- https://www.cjsharp.com/

- Minify JavaScriptok
Tested:
- https://www.cjsharp.com/

- Avoids enormous network payloadsok
Tested:
- https://www.cjsharp.com/

- JavaScript execution timeok
Tested:
- https://www.cjsharp.com/

- Minimizes main-thread workok
Tested:
- https://www.cjsharp.com/

- Avoids long main-thread tasksok
Tested:
- https://www.cjsharp.com/

- Image elements have explicit `width` and `height`ok
Tested:
- https://www.cjsharp.com/

- Network Requestsok
Tested:
- https://www.cjsharp.com/

- Network Round Trip Timesok
Tested:
- https://www.cjsharp.com/

- Server Backend Latenciesok
Tested:
- https://www.cjsharp.com/

- Main thread tasksok
Tested:
- https://www.cjsharp.com/

- Diagnosticsok
Tested:
- https://www.cjsharp.com/

- Metricsok
Tested:
- https://www.cjsharp.com/

- Screenshot Thumbnailsok
Tested:
- https://www.cjsharp.com/

- final-screenshotok
Tested:
- https://www.cjsharp.com/

- script-treemap-dataok
Tested:
- https://www.cjsharp.com/

- resource-summaryok
Tested:
- https://www.cjsharp.com/

- Avoid multiple page redirectsok
Tested:
- https://www.cjsharp.com/

- Initial server response time was shortok
Tested:
- https://www.cjsharp.com/

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