Webperf result eric.st-pierre.xyz

4.30

Results from https://eric.st-pierre.xyz/

Lighthouse Performance

4.40

Results collected at 2025-01-16

- The website is fast.

Performance section:
- Total Blocking Time 5.00
- Largest Contentful Paint: 3.3 s 3.45
- Cumulative Layout Shift 5.00
- First Contentful Paint: 2.6 s 3.20
- Speed Index: 2.7 s 4.85
- Preconnect to required origins 1.00
- Largest Contentful Paint element 1.00
- Reduce unused JavaScript 1.00
- Serve static assets with an efficient cache policy: 6 resources found 2.50
- Eliminate render-blocking resources: Potential savings of 0 ms 2.50
- Reduce unused CSS: Potential savings of 12 KiB 2.50
- Time to Interactive: 3.3 s 4.65
- Has a `<meta name="viewport">` tag with `width` or `initial-scale` 5.00
- Screenshot Thumbnails 5.00
- Final Screenshot 5.00
- Max Potential First Input Delay 5.00
- Initial server response time was short 5.00
- Avoid chaining critical requests 5.00
- Avoid multiple page redirects 5.00
- Minimizes main-thread work 5.00
- JavaScript execution time 5.00
- All text remains visible during webfont loads 5.00
- Diagnostics 5.00
- Network Requests 5.00
- Network Round Trip Times 5.00
- Server Backend Latencies 5.00
- Tasks 5.00
- Metrics 5.00
- Resources Summary 5.00
- Minimize third-party usage 5.00
- Avoid long main-thread tasks 5.00
- Image elements have explicit `width` and `height` 5.00
- Script Treemap Data 5.00
- Avoids enormous network payloads 5.00
- Defer offscreen images 5.00
- Minify CSS 5.00
- Minify JavaScript 5.00
- Serve images in next-gen formats 5.00
- Efficiently encode images 5.00
- Enable text compression 5.00
- Properly size images 5.00
- Use video formats for animated content 5.00
- Remove duplicate modules in JavaScript bundles 5.00
- Avoid serving legacy JavaScript to modern browsers 5.00
- Avoids an excessive DOM size 5.00
- Avoids `document.write()` 5.00
- Use HTTP/2 5.00
- Uses passive listeners to improve scrolling performance 5.00
- Page didn't prevent back/forward cache restoration 5.00

404 Page

3.40

Results collected at 2025-01-16

- Correct status code? Got 404, and 404 is correct. 5.00
- Found a page title in the page's metadata? 5.00
- Found headline (h1)? 1.00
- Is it lacking text describing that an error has occurred (in Swedish OR English for English sites)? 1.00
- Is text content length is less than 150 characters, which indicates that the user is not being referred, nor advised? 5.00

Lighthouse SEO

4.55

Results collected at 2025-01-16

- Pretty good at SEO, but still has some potential improvements.
- Links do not have descriptive text 1.00
- Page isn’t blocked from indexing 5.00
- Document has a `<title>` element 5.00
- Document has a meta description 5.00
- Page has successful HTTP status code 5.00
- Links are crawlable 5.00
- Document has a valid `hreflang` 5.00
- Document has a valid `rel=canonical` 5.00

Lighthouse Best Practices

5.00

Results collected at 2025-01-16

- The website is adhering to best practice according to Google Lighthouse!
- Uses HTTPS 5.00
- Avoids deprecated APIs 5.00
- Avoids third-party cookies 5.00
- Allows users to paste into input fields 5.00
- Has a `<meta name="viewport">` tag with `width` or `initial-scale` 5.00
- No browser errors logged to the console 5.00
- Displays images with correct aspect ratio 5.00
- Serves images with appropriate resolution 5.00
- Page has the HTML doctype 5.00
- Properly defines charset 5.00
- Avoids requesting the geolocation permission on page load 5.00
- No issues in the `Issues` panel in Chrome Devtools 5.00
- Avoids requesting the notification permission on page load 5.00
- Document uses legible font sizes 5.00
- Page has valid source maps 5.00
- Ensure CSP is effective against XSS attacks 5.00
- Use a strong HSTS policy 5.00
- Ensure proper origin isolation with COOP 5.00

W3C HTML

4.85

Results collected at 2025-01-16

- The tested page has 2 errors in its HTML code.

Standards section:
- #1: Webpage - Number of grouped error type: 1 4.80
- #1: Webpage - Number of errors: 1 4.90
- Attribute “value” not allowed on element “select” at this point. (errors of this type: 1 pcs)

Standard Files

1.88

Results collected at 2025-01-16

- RSS subscription is missing in the HTML's metadata. 4.50

Standards section:
- robots.txt is missing, not allowed to download or has not the expected content. 1.00
- Sitemap is not specified in robots.txt 1.00
- security.txt has incorrect content. 1.00

Lighthouse A11y

5.00

Results collected at 2025-01-16

- The website do not have any apparent issues with accessibility!

Accessibility section:
- `[aria-*]` attributes match their roles 5.00
- `[aria-hidden="true"]` is not present on the document `<body>` 5.00
- `[aria-*]` attributes have valid values 5.00
- `[aria-*]` attributes are valid and not misspelled 5.00
- Buttons have an accessible name 5.00
- `[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5. 5.00
- ARIA attributes are used as specified for the element's role 5.00
- `[aria-hidden="true"]` elements do not contain focusable descendents 5.00
- Elements use only permitted ARIA attributes 5.00
- Background and foreground colors have a sufficient contrast ratio 5.00
- Document has a `<title>` element 5.00
- `<html>` element has a `[lang]` attribute 5.00
- `<html>` element has a valid value for its `[lang]` attribute 5.00
- Links have a discernible name 5.00
- Touch targets have sufficient size and spacing. 5.00
- `[lang]` attributes have a valid value 5.00
- Heading elements appear in a sequentially-descending order 5.00
- Uses ARIA roles only on compatible elements 5.00
- Identical links have the same purpose. 5.00

Sitespeed.io

4.58

Results collected at 2025-01-16

Performance section:
- [desktop] TTFB (Time to First Byte): 480.67ms, ±0.33ms 1.00
- [desktop] DOMContentLoaded: 742.67ms, ±0.33ms 4.51
- [desktop] FCP (First Contentful Paint): 751.67ms, ±0.33ms 5.00
- [desktop] LCP (Largest Contentful Paint): 751.67ms, ±0.33ms 3.00
- [desktop] Load: 743.00ms, ±0.00ms 4.51
- [desktop] FirstVisualChange: 749.50ms, ±16.50ms 4.50
- [desktop] SpeedIndex: 749.50ms, ±16.50ms 4.50
- [desktop] VisualComplete85: 749.50ms, ±16.50ms 4.50
- [desktop] CLS (Cumulative Layout Shift): 0.00ms, ±0.00ms 5.00
- [desktop] TBT (Total Blocking Time): 0.00ms, ±0.00ms 5.00
- [desktop] firstPaint: 751.67ms, ±0.33ms
- [desktop] LastVisualChange: 749.50ms, ±16.50ms
- [mobile] TTFB (Time to First Byte): 487.00ms, ±7.00ms 5.00
- [mobile] DOMContentLoaded: 738.67ms, ±10.33ms 5.00
- [mobile] FCP (First Contentful Paint): 739.67ms, ±12.33ms 5.00
- [mobile] LCP (Largest Contentful Paint): 744.67ms, ±7.33ms 5.00
- [mobile] Load: 740.67ms, ±9.33ms 5.00
- [mobile] FirstVisualChange: 750.50ms, ±16.50ms 5.00
- [mobile] SpeedIndex: 768.50ms, ±14.50ms 5.00
- [mobile] VisualComplete85: 750.50ms, ±16.50ms 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: 739.67ms, ±12.33ms
- [mobile] LastVisualChange: 1170.00ms, ±0.00ms

Yellow Lab Tools

4.90

Results collected at 2025-01-16

- The website has rather good frontend code. 4.90
- Network 4.95
- Images 5.00
- DOM complexity 5.00
- JS complexity 5.00
- Bad JS 5.00
- jQuery 5.00
- CSS complexity 4.80
- Bad CSS 4.15
- Web fonts 5.00
- Server config 4.95

Performance section:
- Number of iframes 5.00
- Total JS execution time 5.00
- DOM access 5.00
- Scroll events bound 5.00
- document.write calls 5.00
- Synchronous Ajax requests 5.00
- Rules count 5.00
- Total weight 5.00
- Gzip/Brotli compression 5.00
- File minification 4.45
- Requests number 5.00
- Different domains 5.00
- 404 not found 5.00
- Connections closed 5.00
- Identical content 5.00
- Below the fold images 5.00
- Webfonts number 5.00
- Overweighted webfonts 5.00
- WOFF 2 5.00
- HTTP protocols 5.00
- TLS protocols 5.00
- Caching disabled 5.00
- Caching not specified 4.35
- Caching too short 5.00

Pa11y

4.70

Results collected at 2025-01-16

- The website can be more accessible, but is rather good!

Accessibility section:
- Number of types of issues: 2 4.60
- Number of issues: 2 4.80

##### Problems:
- A form field should be labelled in some way. Use the label element (either with a "for" attribute or wrapped around the form field), or "title", "aria-label" or "aria-labelledby" attributes as appropriate.
- A textinput element does not have a name available to an accessibility API. Valid names are: label element, title undefined, aria-label undefined, aria-labelledby undefined.

Integrity & Security

2.75

Results collected at 2025-01-16

- 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 6 error(s) and 0 warning(s). 2.00

Energy Efficiency

5.00

Results collected at 2025-01-16

- Webpage generates very little carbon dioxide!
- Carbon dioxide per pageview: 0.29 gram(s)
- More green than 99 % of the websites tested by webperf.se (Reference updated: 2025-01-09).
- Network transfer size: 474.17 KB 5.00

Software

5.00

Results collected at 2025-01-16

- Web server used: apache
- License(s) used: apache-2.0
- Metadata used: canonical, open-graph, viewport
- Languages found: en
- Image formats used: svg

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

4.22

Results collected at 2025-01-16

- The CSS is good.

Standards section:
- `<style>` in: #1: Webpage , number of grouped error type: 1 4.80
- `<style>` in: #1: Webpage , number of errors: 65 1.00
- Unexpected unknown custom property "--sl-color-white" (no-unknown-custom-properties) (number of errors of this type: 4)
- Unexpected unknown custom property "--sl-text-xs" (no-unknown-custom-properties) (number of errors of this type: 3)
- Unexpected unknown custom property "--sl-text-sm" (no-unknown-custom-properties) (number of errors of this type: 3)
- Unexpected unknown custom property "--sl-color-black" (no-unknown-custom-properties) (number of errors of this type: 3)
- Unexpected unknown custom property "--w" (no-unknown-custom-properties) (number of errors of this type: 3)
- Unexpected unknown custom property "--h" (no-unknown-custom-properties) (number of errors of this type: 3)
- Unexpected unknown custom property "--sl-color-blue" (no-unknown-custom-properties) (number of errors of this type: 2)
- Unexpected unknown custom property "--sl-color-blue-low" (no-unknown-custom-properties) (number of errors of this type: 2)
- Unexpected unknown custom property "--sl-color-red" (no-unknown-custom-properties) (number of errors of this type: 2)
- Unexpected unknown custom property "--sl-color-red-low" (no-unknown-custom-properties) (number of errors of this type: 2)
- Unexpected unknown custom property "--sl-color-green" (no-unknown-custom-properties) (number of errors of this type: 2)
- Unexpected unknown custom property "--sl-color-green-low" (no-unknown-custom-properties) (number of errors of this type: 2)
- Unexpected unknown custom property "--sl-color-orange" (no-unknown-custom-properties) (number of errors of this type: 2)
- Unexpected unknown custom property "--sl-color-orange-low" (no-unknown-custom-properties) (number of errors of this type: 2)
- Unexpected unknown custom property "--sl-color-purple" (no-unknown-custom-properties) (number of errors of this type: 2)
- Unexpected unknown custom property "--sl-color-purple-low" (no-unknown-custom-properties) (number of errors of this type: 2)
- Unexpected unknown custom property "--sl-text-base" (no-unknown-custom-properties) (number of errors of this type: 2)
- Unexpected unknown custom property "--sl-color-gray-5" (no-unknown-custom-properties) (number of errors of this type: 2)
- Unexpected unknown custom property "--sl-line-height-headings" (no-unknown-custom-properties) (number of errors of this type: 2)
- Unexpected unknown custom property "--sl-line-height" (no-unknown-custom-properties) (number of errors of this type: 2)
- Unexpected unknown custom property "--sl-color-text-accent" (no-unknown-custom-properties) (number of errors of this type: 2)
- Unexpected unknown custom property "--sl-color-accent" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--sl-color-accent-low" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--sl-color-accent-high" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--sl-color-blue-high" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--sl-color-red-high" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--sl-color-green-high" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--sl-color-orange-high" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--sl-color-purple-high" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--sl-font-system-mono" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--sl-text-h4" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--sl-text-body" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--fit" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--pos" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--sl-icon-color" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--sl-color-gray-6" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--sl-color-hairline-light" (no-unknown-custom-properties) (number of errors of this type: 1)
- `style=""` in: #1: Webpage , number of grouped error type: 0 5.00
- `style=""` in: #1: Webpage , number of errors: 0 5.00
- `<link rel="stylesheet">` in: #1: Webpage , number of grouped error type: 3 4.40
- `<link rel="stylesheet">` in: #1: Webpage , number of errors: 7 3.60
- Unexpected unknown value "after-white-space" for property "-webkit-line-break" (declaration-property-value-no-unknown) (number of errors of this type: 1)
- Unexpected unknown custom property "--sl-select-width" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--sl-color-accent-light" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--sl-text-h6" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--depth" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown type selector "site-search" (selector-type-no-unknown) (number of errors of this type: 1)
- Unexpected unknown type selector "sl-sidebar-state-persist" (selector-type-no-unknown) (number of errors of this type: 1)
- `content-type=".*css.*"`, number of grouped error type: 0 5.00
- `content-type=".*css.*"`, number of errors: 0 5.00