Webperf result tech-fellow.eu

4.41

Results from https://tech-fellow.eu/

Lighthouse Performance

4.55

Results collected at 2025-04-09

- The website is fast.

Performance section:
- Total Blocking Time 5.00
- Largest Contentful Paint: 3.2 s 3.55
- Cumulative Layout Shift 5.00
- First Contentful Paint: 2.0 s 4.25
- Speed Index 5.00
- Largest Contentful Paint element 1.00
- Eliminate render-blocking resources 1.00
- Reduce unused CSS 1.00
- Reduce unused JavaScript 1.00
- Serve images in next-gen formats 1.00
- Efficiently encode images 1.00
- Properly size images 1.00
- Serve static assets with an efficient cache policy: 3 resources found 2.50
- Time to Interactive: 3.2 s 4.70
- 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
- Preconnect to required origins 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 large layout shifts 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
- Enable text compression 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
- Uses passive listeners to improve scrolling performance 5.00

404 Page

5.00

Results collected at 2025-04-09

- 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)? 5.00
- Is it lacking text describing that an error has occurred (in Swedish OR English for English sites)? 5.00
- Is text content length is less than 150 characters, which indicates that the user is not being referred, nor advised? 5.00

Lighthouse SEO

5.00

Results collected at 2025-04-09

- The webpage is really optimised for SEO!
- Page isn’t blocked from indexing 5.00
- Document has a `<title>` element 5.00
- Image elements have `[alt]` attributes 5.00
- Document has a meta description 5.00
- Page has successful HTTP status code 5.00
- Links have descriptive text 5.00
- Links are crawlable 5.00
- robots.txt is valid 5.00
- Document has a valid `hreflang` 5.00
- Document has a valid `rel=canonical` 5.00

Lighthouse Best Practices

4.80

Results collected at 2025-04-09

- The website can still make some improvements on best practices.
- Uses HTTPS 5.00
- Browser errors were logged to the console 1.00
- 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
- 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
- Detected JavaScript libraries 5.00

Standard Files

4.30

Results collected at 2025-04-09

- RSS subscription found in webpage metadata. 5.00

Standards section:
- robots.txt seems ok. 5.00
- Sitemap, Url in <loc> is starting with https:// 5.00
- Sitemap, Url in <loc> is using same domain as robots.txt 5.00
- Sitemap, One or more Url in <loc> is the same 2.99
- Sitemap, is only listing webpages 5.00
- Sitemap(s) are only specified once 5.00
- Sitemap, is under 50 000 items 5.00
- The Sitemap is neither good or bad. 5.00
- security.txt requires expiration information (added in draft v10) is missing. 2.50

Lighthouse A11y

4.65

Results collected at 2025-04-09

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

Accessibility section:
- Buttons do not have an accessible name 1.00
- `[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
- Image elements have `[alt]` attributes 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
- 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
- Links are distinguishable without relying on color. 5.00
- Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). 5.00
- List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements 5.00
- Touch targets have sufficient size and spacing. 5.00
- Heading elements appear in a sequentially-descending order 5.00
- Uses ARIA roles only on compatible elements 5.00
- Image elements do not have `[alt]` attributes that are redundant text. 5.00

Sitespeed.io

5.00

Results collected at 2025-04-09

Performance section:
- [desktop] TTFB (Time to First Byte): 65.00ms, ±5.00ms 5.00
- [desktop] DOMContentLoaded: 291.00ms, ±23.00ms 5.00
- [desktop] LCP (Largest Contentful Paint): 280.00ms, ±8.00ms 5.00
- [desktop] Load: 412.00ms, ±14.00ms 5.00
- [desktop] CLS (Cumulative Layout Shift): 0.00ms, ±0.00ms 5.00
- [desktop] FirstVisualChange: 266.50ms, ±0.50ms 5.00
- [desktop] SpeedIndex: 271.00ms, ±1.00ms 5.00
- [desktop] VisualComplete85: 266.50ms, ±0.50ms 5.00
- [desktop] FCP (First Contentful Paint): 280.00ms, ±0.00ms 5.00
- [desktop] TBT (Total Blocking Time): 0.00ms, ±0.00ms 5.00
- [desktop] firstPaint: 280.00ms, ±8.00ms
- [desktop] LastVisualChange: 450.50ms, ±49.50ms
- [mobile] TTFB (Time to First Byte): 71.00ms, ±0.00ms 5.00
- [mobile] DOMContentLoaded: 277.00ms, ±22.00ms 5.00
- [mobile] LCP (Largest Contentful Paint): 228.00ms, ±8.00ms 5.00
- [mobile] Load: 380.00ms, ±23.00ms 5.00
- [mobile] FirstVisualChange: 233.50ms, ±0.50ms 5.00
- [mobile] SpeedIndex: 254.00ms, ±1.00ms 5.00
- [mobile] VisualComplete85: 233.50ms, ±0.50ms 5.00
- [mobile] FCP (First Contentful Paint): 228.00ms, ±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: 228.00ms, ±8.00ms
- [mobile] LastVisualChange: 683.50ms, ±16.50ms

Yellow Lab Tools

4.25

Results collected at 2025-04-09

- The website has rather good frontend code. 4.25
- Network 4.40
- Images 4.20
- DOM complexity 5.00
- JS complexity 5.00
- Bad JS 5.00
- jQuery 5.00
- CSS complexity 1.65
- Bad CSS 3.15
- Web fonts 1.55
- Server config 5.00

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 1.00
- Total weight 5.00
- Gzip/Brotli compression 4.15
- File minification 4.30
- Requests number 5.00
- Different domains 5.00
- 404 not found 1.00
- Connections closed 5.00
- Identical content 5.00
- Below the fold images 5.00
- Webfonts number 1.00
- Overweighted webfonts 1.25
- WOFF 2 5.00
- HTTP protocols 5.00
- TLS protocols 5.00
- Caching disabled 5.00
- Caching not specified 5.00
- Caching too short 5.00

Pa11y

4.75

Results collected at 2025-04-09

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

Accessibility section:
- Number of types of issues: 1 4.80
- Number of issues: 3 4.70

##### Problems:
- A button element does not have a name available to an accessibility API. Valid names are: title undefined, element content, aria-label undefined, aria-labelledby undefined.

Integrity & Security

2.75

Results collected at 2025-04-09

- 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

3.85

Results collected at 2025-04-09

- Webpage generates little carbon dioxide!
- Carbon dioxide per pageview: 1.59 gram(s)
- More green than 77 % of the websites tested by webperf.se (Reference updated: 2025-01-09).
- Network transfer size: 2.51 MB 3.85

Software

4.98

Results collected at 2025-04-09

- Technology used: js, sass, scss
- License(s) used: apache-2.0, mit
- Metadata used: apple-touch-icon, canonical, dns-prefetch, icon, open-graph, viewport
- Javascript libraries used: bootstrap, jquery
- Languages found: en
- Image formats used: ico, jpeg, jpg, png

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):
- bootstrap 5.3.2

###### Affected resource(s):
- https://cdn.jsdelivr.net/combine/npm/jquery@3.7.1/dist/jquery.min.js,npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js,npm/simple-jekyll-search@1.10.0/dest/simple-jekyll-search.min.js,npm/loading-attribute-polyfill@2.1.1/dist/loading-attribute-polyfill.umd.min.js,npm/dayjs@1.11.10/dayjs.min.js,npm/dayjs@1.11.10/locale/en.min.js,npm/dayjs@1.11.10/plugin/relativeTime.min.js,npm/dayjs@1.11.10/plugin/localizedFormat.min.js
##### 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

4.60

Results collected at 2025-04-09

- The CSS is good.

Standards section:
- `<link rel="stylesheet">` in: #1: Webpage , number of grouped error type: 4 4.20
- `<link rel="stylesheet">` in: #1: Webpage , number of errors: 12 2.60
- Unexpected unknown custom property "--fa-font-solid" (no-unknown-custom-properties) (number of errors of this type: 3)
- Unexpected deprecated keyword "break-word" for property "word-break" (declaration-property-value-keyword-no-deprecated) (number of errors of this type: 2)
- Unexpected unknown value "-webkit-match-parent" for property "text-align" (declaration-property-value-no-unknown) (number of errors of this type: 1)
- Unexpected unknown value "auto" for property "-moz-user-select" (declaration-property-value-no-unknown) (number of errors of this type: 1)
- Unexpected unknown custom property "--bs-body-text-align" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--bs-nav-link-font-size" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--bs-breadcrumb-font-size" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown custom property "--fa-font-regular" (no-unknown-custom-properties) (number of errors of this type: 1)
- Unexpected unknown type selector "mjx-container" (selector-type-no-unknown) (number of errors of this type: 1)
- `<style>`, number of grouped error type: 0 5.00
- `<style>`, number of errors: 0 5.00
- `style=""`, number of grouped error type: 0 5.00
- `style=""`, number of errors: 0 5.00
- `content-type=".*css.*"`, number of grouped error type: 0 5.00
- `content-type=".*css.*"`, number of errors: 0 5.00

HTML-validate

3.80

Results collected at 2025-04-09

- The HTML is neither good or bad.

Standards section:
- #1: Webpage , number of grouped error type: 6 3.80
- #1: Webpage , number of errors: 6 3.80
- Unclosed element '<html>' (number of errors of this type: 1)
- <html> element must have <body> as content (number of errors of this type: 1)
- Unclosed element '<head>' (number of errors of this type: 1)
- Unclosed element '<body>' (number of errors of this type: 1)
- <body> element is not permitted as content under <head> (number of errors of this type: 1)
- <body> element requires a <html> element as parent (number of errors of this type: 1)

ESLint JS

3.82

Results collected at 2025-04-09

- The JS is neither good or bad.

Security section:
- `<script>` in: #1: Webpage , number of grouped error type: 1 4.80
- `<script>` in: #1: Webpage , number of errors: 1 4.80
- Parsing error: Unexpected token : (number of errors of this type: 1)
- `<script src="...">` in: #1: Webpage , number of grouped error type: 11 2.80
- `<script src="...">` in: #1: Webpage , number of errors: 3727 1.00
- Expected an assignment or function call and instead saw an expression. (number of errors of this type: 2792)
- Expected “===” and instead saw “==”. (number of errors of this type: 461)
- Expected “!==” and instead saw “!=”. (number of errors of this type: 243)
- Do not access Object.prototype method “hasOwnProperty” from target object. (number of errors of this type: 198)
- Unnecessary escape character: \/. (number of errors of this type: 8)
- “b” is not modified in this loop. (number of errors of this type: 4)
- Comparing to itself is potentially pointless. (number of errors of this type: 3)
- “this.U” is assigned to itself. (number of errors of this type: 2)
- “this.H” is assigned to itself. (number of errors of this type: 2)
- Unnecessary escape character: \?. (number of errors of this type: 2)
- “jC.prototype.getUntrustedMessageValue” is assigned to itself. (number of errors of this type: 2)
- Script URL is a form of eval. (number of errors of this type: 2)
- “d” is not modified in this loop. (number of errors of this type: 2)
- Unnecessary escape character: \}. (number of errors of this type: 2)
- “a” is not modified in this loop. (number of errors of this type: 2)
- Unnecessary “.apply()”. (number of errors of this type: 1)
- “r.href” is assigned to itself. (number of errors of this type: 1)
- `content-type=".*javascript.*"`, number of grouped error type: 0 5.00
- `content-type=".*javascript.*"`, number of errors: 0 5.00

Standards section:
- `<script>` in: #1: Webpage , number of grouped error type: 1 4.80
- `<script>` in: #1: Webpage , number of errors: 1 4.80
- Parsing error: Unexpected token : (number of errors of this type: 1)
- `<script src="...">` in: #1: Webpage , number of grouped error type: 4 4.20
- `<script src="...">` in: #1: Webpage , number of errors: 904 1.00
- “a” is defined but never used. (number of errors of this type: 232)
- “b” is defined but never used. (number of errors of this type: 146)
- “c” is defined but never used. (number of errors of this type: 72)
- “e” is defined but never used. (number of errors of this type: 46)
- “d” is defined but never used. (number of errors of this type: 40)
- “f” is defined but never used. (number of errors of this type: 16)
- “k” is defined but never used. (number of errors of this type: 14)
- “r” is defined but never used. (number of errors of this type: 14)
- “define” is not defined. (number of errors of this type: 14)
- “m” is defined but never used. (number of errors of this type: 12)
- “g” is defined but never used. (number of errors of this type: 12)
- “c” is assigned a value but never used. (number of errors of this type: 12)
- “d” is assigned a value but never used. (number of errors of this type: 10)
- “a” is assigned a value but never used. (number of errors of this type: 8)
- “u” is defined but never used. (number of errors of this type: 6)
- “e” is not defined. (number of errors of this type: 6)
- “b” is assigned a value but never used. (number of errors of this type: 6)
- “$e” is not defined. (number of errors of this type: 4)
- “q” is defined but never used. (number of errors of this type: 4)
- “p” is defined but never used. (number of errors of this type: 4)
- “f” is not defined. (number of errors of this type: 4)
- “w” is defined but never used. (number of errors of this type: 4)
- “e” is assigned a value but never used. (number of errors of this type: 4)
- “Za” is defined but never used. (number of errors of this type: 2)
- “$a” is defined but never used. (number of errors of this type: 2)
- “wb” is defined but never used. (number of errors of this type: 2)
- “Ub” is defined but never used. (number of errors of this type: 2)
- “Bc” is defined but never used. (number of errors of this type: 2)
- “t” is defined but never used. (number of errors of this type: 2)
- “yf” is defined but never used. (number of errors of this type: 2)
- “og” is defined but never used. (number of errors of this type: 2)
- “Zg” is defined but never used. (number of errors of this type: 2)
- “$g” is defined but never used. (number of errors of this type: 2)
- “ah” is defined but never used. (number of errors of this type: 2)
- “gh” is defined but never used. (number of errors of this type: 2)
- “hh” is defined but never used. (number of errors of this type: 2)
- “Ih” is defined but never used. (number of errors of this type: 2)
- “Oh” is defined but never used. (number of errors of this type: 2)
- “Yh” is assigned a value but never used. (number of errors of this type: 2)
- “$h” is assigned a value but never used. (number of errors of this type: 2)
- “fi” is assigned a value but never used. (number of errors of this type: 2)
- “gi” is defined but never used. (number of errors of this type: 2)
- “ii” is defined but never used. (number of errors of this type: 2)
- “ji” is not defined. (number of errors of this type: 2)
- “ni” is defined but never used. (number of errors of this type: 2)
- “wi” is defined but never used. (number of errors of this type: 2)
- “Fi” is assigned a value but never used. (number of errors of this type: 2)
- “Hi” is assigned a value but never used. (number of errors of this type: 2)
- “Ni” is assigned a value but never used. (number of errors of this type: 2)
- “Ri” is assigned a value but never used. (number of errors of this type: 2)
- “kj” is assigned a value but never used. (number of errors of this type: 2)
- “Yj” is assigned a value but never used. (number of errors of this type: 2)
- “uk” is defined but never used. (number of errors of this type: 2)
- “Dk” is assigned a value but never used. (number of errors of this type: 2)
- “pl” is assigned a value but never used. (number of errors of this type: 2)
- “Fl” is defined but never used. (number of errors of this type: 2)
- “Gl” is defined but never used. (number of errors of this type: 2)
- “sm” is defined but never used. (number of errors of this type: 2)
- “qo” is defined but never used. (number of errors of this type: 2)
- “so” is defined but never used. (number of errors of this type: 2)
- “gp” is assigned a value but never used. (number of errors of this type: 2)
- “x” is defined but never used. (number of errors of this type: 2)
- “F” is defined but never used. (number of errors of this type: 2)
- “Xq” is assigned a value but never used. (number of errors of this type: 2)
- “Ar” is defined but never used. (number of errors of this type: 2)
- “Kt” is assigned a value but never used. (number of errors of this type: 2)
- “Ut” is assigned a value but never used. (number of errors of this type: 2)
- “Wt” is assigned a value but never used. (number of errors of this type: 2)
- “Xt” is assigned a value but never used. (number of errors of this type: 2)
- “hu” is assigned a value but never used. (number of errors of this type: 2)
- “ku” is defined but never used. (number of errors of this type: 2)
- “ou” is defined but never used. (number of errors of this type: 2)
- “pu” is defined but never used. (number of errors of this type: 2)
- “qu” is defined but never used. (number of errors of this type: 2)
- “su” is defined but never used. (number of errors of this type: 2)
- “B” is defined but never used. (number of errors of this type: 2)
- “zu” is assigned a value but never used. (number of errors of this type: 2)
- “Au” is assigned a value but never used. (number of errors of this type: 2)
- “Eu” is assigned a value but never used. (number of errors of this type: 2)
- “Fu” is assigned a value but never used. (number of errors of this type: 2)
- “Ru” is defined but never used. (number of errors of this type: 2)
- “Qv” is assigned a value but never used. (number of errors of this type: 2)
- “Tv” is assigned a value but never used. (number of errors of this type: 2)
- “Vv” is assigned a value but never used. (number of errors of this type: 2)
- “Dw” is assigned a value but never used. (number of errors of this type: 2)
- “Gx” is defined but never used. (number of errors of this type: 2)
- “Ux” is defined but never used. (number of errors of this type: 2)
- “Sy” is assigned a value but never used. (number of errors of this type: 2)
- “Ty” is assigned a value but never used. (number of errors of this type: 2)
- “Vy” is assigned a value but never used. (number of errors of this type: 2)
- “Xy” is assigned a value but never used. (number of errors of this type: 2)
- “nz” is defined but never used. (number of errors of this type: 2)
- “sz” is defined but never used. (number of errors of this type: 2)
- “vz” is defined but never used. (number of errors of this type: 2)
- “SA” is assigned a value but never used. (number of errors of this type: 2)
- “YA” is defined but never used. (number of errors of this type: 2)
- “LD” is assigned a value but never used. (number of errors of this type: 2)
- “xE” is defined but never used. (number of errors of this type: 2)
- “IE” is assigned a value but never used. (number of errors of this type: 2)
- “KE” is defined but never used. (number of errors of this type: 2)
- “ME” is assigned a value but never used. (number of errors of this type: 2)
- “NE” is assigned a value but never used. (number of errors of this type: 2)
- “b” is not defined. (number of errors of this type: 2)
- “p” is not defined. (number of errors of this type: 2)
- “C” is defined but never used. (number of errors of this type: 2)
- “EH” is defined but never used. (number of errors of this type: 2)
- “VH” is defined but never used. (number of errors of this type: 2)
- “ba” is defined but never used. (number of errors of this type: 2)
- “iN” is assigned a value but never used. (number of errors of this type: 2)
- “qN” is assigned a value but never used. (number of errors of this type: 2)
- “vN” is assigned a value but never used. (number of errors of this type: 2)
- “yN” is assigned a value but never used. (number of errors of this type: 2)
- “zN” is assigned a value but never used. (number of errors of this type: 2)
- “YN” is assigned a value but never used. (number of errors of this type: 2)
- “MO” is assigned a value but never used. (number of errors of this type: 2)
- “NO” is defined but never used. (number of errors of this type: 2)
- “X” is defined but never used. (number of errors of this type: 2)
- “OO” is defined but never used. (number of errors of this type: 2)
- “PO” is defined but never used. (number of errors of this type: 2)
- “QO” is defined but never used. (number of errors of this type: 2)
- “ZO” is assigned a value but never used. (number of errors of this type: 2)
- “$O” is assigned a value but never used. (number of errors of this type: 2)
- “aP” is defined but never used. (number of errors of this type: 2)
- “bP” is defined but never used. (number of errors of this type: 2)
- “dP” is defined but never used. (number of errors of this type: 2)
- “eP” is defined but never used. (number of errors of this type: 2)
- “fP” is defined but never used. (number of errors of this type: 2)
- “gP” is assigned a value but never used. (number of errors of this type: 2)
- “$” is not defined. (number of errors of this type: 2)
- Unexpected console statement. (number of errors of this type: 1)
- “ActiveXObject” is not defined. (number of errors of this type: 1)
- `content-type=".*javascript.*"`, number of grouped error type: 0 5.00
- `content-type=".*javascript.*"`, number of errors: 0 5.00