Webperf result blog.ynzen.com

4.62

Results from https://blog.ynzen.com/

404 Page

4.35

Results collected at 2026-03-31

Standards section:
- Page not found, no valid text founderror
Tested:
- https://blog.ynzen.com/524ec/finns-det-en-sida/pa-den-har-adressen/testanrop/

- Page not found, no valid title foundwarning
Tested:
- https://blog.ynzen.com/524ec/finns-det-en-sida/pa-den-har-adressen/testanrop/

- Page not found, no valid h1 header foundwarning
Tested:
- https://blog.ynzen.com/524ec/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://blog.ynzen.com/524ec/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

Standard Files

4.17

Results collected at 2026-03-31

Security section:
- security.txt has incorrect contenterror
Tested:
- https://blog.ynzen.com/.well-known/security.txt
- https://blog.ynzen.com/security.txt

- security.txt is missing the required contact infowarning
Tested:
- https://blog.ynzen.com/.well-known/security.txt
- https://blog.ynzen.com/security.txt

- security.txt requires expiration information (added in draft v10) is missingwarning
Tested:
- https://blog.ynzen.com/.well-known/security.txt
- https://blog.ynzen.com/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 contenterror
Tested:
- https://blog.ynzen.com/robots.txt

- Sitemap is not specified in robots.txterror
Tested:
- https://blog.ynzen.com/

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

- 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

Sitespeed.io

4.38

Results collected at 2026-03-31

Performance section:
- [desktop] TTFB (Time to First Byte): 465.67ms, ±359.33ms 1.00
- [desktop] DOMContentLoaded: 635.33ms, ±434.67ms 4.73
- [desktop] LCP (Largest Contentful Paint): 810.67ms, ±399.33ms 3.00
- [desktop] Load: 1770.00ms, ±270.00ms 2.46
- [desktop] TBT (Total Blocking Time): 15.00ms, ±5.00ms 5.00
- [desktop] CLS (Cumulative Layout Shift): 0.00ms, ±0.00ms 5.00
- [desktop] FirstVisualChange: 815.00ms, ±415.00ms 4.37
- [desktop] SpeedIndex: 821.50ms, ±418.50ms 4.36
- [desktop] VisualComplete85: 815.00ms, ±415.00ms 4.37
- [desktop] FCP (First Contentful Paint): 810.00ms, ±0.00ms 5.00
- [desktop] firstPaint: 810.67ms, ±399.33ms
- [desktop] LastVisualChange: 1015.00ms, ±515.00ms
- [mobile] TTFB (Time to First Byte): 238.00ms, ±144.00ms 5.00
- [mobile] DOMContentLoaded: 415.67ms, ±241.33ms 5.00
- [mobile] LCP (Largest Contentful Paint): 554.00ms, ±218.00ms 5.00
- [mobile] Load: 2353.33ms, ±776.67ms 3.29
- [mobile] TBT (Total Blocking Time): 6.75ms, ±2.25ms 5.00
- [mobile] FirstVisualChange: 550.50ms, ±216.50ms 5.00
- [mobile] SpeedIndex: 640.50ms, ±216.50ms 5.00
- [mobile] VisualComplete85: 550.50ms, ±216.50ms 5.00
- [mobile] FCP (First Contentful Paint): 554.00ms, ±0.00ms 5.00
- [mobile] CLS (Cumulative Layout Shift): 0.00ms, ±0.00ms 5.00
- [mobile] firstPaint: 554.00ms, ±218.00ms
- [mobile] LastVisualChange: 2265.00ms, ±235.00ms

Pa11y

5.00

Results collected at 2026-03-31

- No report data created.

Integrity

3.06

Results collected at 2026-03-31

- 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 ok, with 1 error(s) and 0 warning(s). 4.50
- Cookies is ok, with 13 error(s) and 0 warning(s). 1.00

Carbon Calculator

5.00

Results collected at 2026-04-24

- Webpage generates very little carbon dioxide!
- Carbon dioxide per pageview: 0.0 gram(s)
- More green than 99 % of the websites tested by webperf.se (Reference updated: 2025-01-09).
- Network transfer size: 0.00 KB 5.00

Software

5.00

Results collected at 2026-04-24

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

Stylelint CSS

4.95

Results collected at 2026-04-24

- no-networkerror
Tested:
- https://blog.ynzen.com/

HTML-validate

4.95

Results collected at 2026-04-24

- no-networkerror
Tested:
- https://blog.ynzen.com/

ESLint JS

4.95

Results collected at 2026-04-24

- no-networkerror
Tested:
- https://blog.ynzen.com/

Lighthouse

5.00

Results collected at 2026-04-24

- Performance only 5.00
- Accessibility only 5.00

- Uses HTTPSok
- Redirects HTTP traffic to HTTPSok
- geolocation-on-startok
- notification-on-startok
- csp-xssok
- has-hstsok
- origin-isolationok
- clickjacking-mitigationok
- trusted-types-xssok
- paste-preventing-inputsok
- image-aspect-ratiook
- Serves images with low resolutionok
- doctypeok
- charsetok
- js-librariesok
- deprecationsok
- third-party-cookiesok
- errors-in-consoleok
- valid-source-mapsok
- No issues in the `Issues` panel in Chrome Devtoolsok
- is-crawlableok
- Document has a `<title>` elementok
- meta-descriptionok
- http-status-codeok
- link-textok
- crawlable-anchorsok
- robots-txtok
- Image elements have `[alt]` attributesok
- hreflangok
- canonicalok
- structured-dataok

Accessibility section:
- accesskeysok
- `[aria-*]` attributes match their rolesok
- aria-command-nameok
- ARIA attributes are used as specified for the element's roleok
- Deprecated ARIA roles were not usedok
- aria-dialog-nameok
- `[aria-hidden="true"]` is not present on the document `<body>`ok
- `[aria-hidden="true"]` elements do not contain focusable descendentsok
- aria-input-field-nameok
- aria-meter-nameok
- aria-progressbar-nameok
- Elements use only permitted ARIA attributesok
- `[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
- `[aria-*]` attributes have valid valuesok
- `[aria-*]` attributes are valid and not misspelledok
- Buttons have an accessible nameok
- bypassok
- Background and foreground colors have a sufficient contrast ratiook
- definition-listok
- dlitemok
- Document has a `<title>` elementok
- duplicate-id-ariaok
- form-field-multiple-labelsok
- frame-titleok
- Heading elements appear in a sequentially-descending orderok
- `<html>` element has a `[lang]` attributeok
- `<html>` element has a valid value for its `[lang]` attributeok
- html-xml-lang-mismatchok
- Image elements have `[alt]` attributesok
- input-button-nameok
- input-image-altok
- labelok
- Links are distinguishable without relying on colorok
- Links have a discernible nameok
- 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
- `[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5ok
- object-altok
- select-nameok
- skip-linkok
- tabindexok
- Touch targets have sufficient size and spacingok
- td-headers-attrok
- th-has-data-cellsok
- valid-langok
- video-captionok
- landmark-one-mainok
- 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 Paintok
- Largest Contentful Paintok
- Total Blocking Timeok
- Cumulative Layout Shiftok
- Speed Indexok
- cache-insightok
- Layout shift culpritsok
- Document request latencyok
- Optimize DOM sizeok
- Duplicated JavaScriptok
- Font displayok
- forced-reflow-insightok
- Improve image deliveryok
- inp-breakdown-insightok
- lcp-breakdown-insightok
- LCP request discoveryok
- Legacy JavaScriptok
- Network dependency treeok
- Render-blocking requestsok
- 3rd partiesok
- Optimize viewport for mobileok
- Time to Interactiveok
- Max Potential First Input Delayok
- Minify CSSok
- Minify JavaScriptok
- Reduce unused CSSok
- Reduce unused JavaScriptok
- Avoids enormous network payloadsok
- user-timingsok
- JavaScript execution timeok
- Minimizes main-thread workok
- Avoids long main-thread tasksok
- non-composited-animationsok
- Image elements have explicit `width` and `height`ok
- Network Requestsok
- Network Round Trip Timesok
- Server Backend Latenciesok
- Main thread tasksok
- Diagnosticsok
- Metricsok
- Screenshot Thumbnailsok
- final-screenshotok
- script-treemap-dataok
- resource-summaryok
- Avoid multiple page redirectsok
- Initial server response time was shortok
- Avoid large layout shiftsok