jcpretorius .com/ blog

4.99

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

Lighthouse Performance

4.85

Results collected at 2024-12-02

- The website is fast.

Performance section:
- Total Blocking Time 5.00
- Largest Contentful Paint: 2.2 s 4.75
- Cumulative Layout Shift 5.00
- First Contentful Paint: 2.0 s 4.20
- Speed Index: 2.8 s 4.80
- 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
- Time to Interactive 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
- Largest Contentful Paint element 5.00
- Avoid long main-thread tasks 5.00
- Image elements have explicit `width` and `height` 5.00
- Script Treemap Data 5.00
- Uses efficient cache policy on static assets 5.00
- Avoids enormous network payloads 5.00
- Defer offscreen images 5.00
- Eliminate render-blocking resources 5.00
- Minify CSS 5.00
- Minify JavaScript 5.00
- Reduce unused CSS 5.00
- Reduce unused 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

5.00

Results collected at 2024-12-02

- 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 2024-12-02

- The webpage is really optimised for SEO!
- 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 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

5.00

Results collected at 2024-12-02

- 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

W3C HTML

5.00

Results collected at 2024-12-02

- No errors in the HTML code.

Standards section:
- #1: blog- Number of grouped error type: 0 5.00
- #1: blog- Number of errors: 0 5.00

W3C CSS

5.00

Results collected at 2024-12-02

- The CSS is very good.

Standards section:
- `<link rel="stylesheet">` in: #1: blog, number of grouped error type: 0 5.00
- `<link rel="stylesheet">` in: #1: blog, number of errors: 0 5.00
- `<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

Standard Files

5.00

Results collected at 2024-12-02

- 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, No duplicate Urls in <loc> 5.00
- 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 seems to work. 5.00

Lighthouse A11y

5.00

Results collected at 2024-12-02

- 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
- `[role]`s have all required `[aria-*]` attributes 5.00
- `[aria-*]` attributes have valid values 5.00
- `[aria-*]` attributes are valid and not misspelled 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
- `[role]` values are valid 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
- Form elements have associated labels 5.00
- Links have a discernible name 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
- Deprecated ARIA roles were not used 5.00

Sitespeed.io

5.00

Results collected at 2024-12-02

Performance section:
- [desktop] TTFB (Time to First Byte): 227.00ms, ±5.00ms 5.00
- [desktop] DOMContentLoaded: 418.00ms, ±2.00ms 5.00
- [desktop] FCP (First Contentful Paint): 329.00ms, ±6.00ms 5.00
- [desktop] LCP (Largest Contentful Paint): 329.00ms, ±6.00ms 5.00
- [desktop] Load: 419.00ms, ±2.00ms 5.00
- [desktop] FirstVisualChange: 334.00ms, ±0.00ms 5.00
- [desktop] SpeedIndex: 334.00ms, ±0.00ms 5.00
- [desktop] VisualComplete85: 334.00ms, ±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: 329.00ms, ±6.00ms
- [desktop] LastVisualChange: 334.00ms, ±0.00ms
- [mobile] TTFB (Time to First Byte): 229.00ms, ±3.00ms 5.00
- [mobile] DOMContentLoaded: 417.67ms, ±9.33ms 5.00
- [mobile] FCP (First Contentful Paint): 327.00ms, ±1.00ms 5.00
- [mobile] LCP (Largest Contentful Paint): 327.00ms, ±1.00ms 5.00
- [mobile] Load: 418.00ms, ±9.00ms 5.00
- [mobile] FirstVisualChange: 334.00ms, ±0.00ms 5.00
- [mobile] SpeedIndex: 440.50ms, ±0.50ms 5.00
- [mobile] VisualComplete85: 334.00ms, ±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: 327.00ms, ±1.00ms
- [mobile] LastVisualChange: 2050.00ms, ±20.00ms

Yellow Lab Tools

5.00

Results collected at 2024-12-02

- The website is really well built! 5.00
- Network 5.00
- Images 5.00
- DOM complexity 5.00
- JS complexity 5.00
- Bad JS 5.00
- jQuery 5.00
- CSS complexity 5.00
- Bad CSS 5.00
- Web fonts 5.00
- 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 5.00
- Total weight 5.00
- Gzip/Brotli compression 5.00
- File minification 5.00
- 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 5.00
- Caching too short 5.00

Pa11y

5.00

Results collected at 2024-12-02

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

Accessibility section:
- Number of types of issues: 0 5.00
- Number of issues: 0 5.00

Integrity & Security

4.94

Results collected at 2024-12-02

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

Security section:
- HTTPS by default is good! 5.00
- HTTP Strict Transport Security HSTS is good! 5.00
- Content Security Policy is ok, with 1 error(s) and 0 warning(s). 4.50
- Reporting CSP Certificate Transparency Network Error Logging is good! 5.00
- Referrer Policy is good! 5.00
- Subresource Integrity SRI is good! 5.00
- HTTP headers is good! 5.00
- Cookies is good! 5.00

Energy Efficiency

5.00

Results collected at 2024-12-02

- Webpage generates very little carbon dioxide!
- Carbon dioxide per pageview: 0.02 gram(s)
- More green than 99 % of the websites tested by webperf.se (Reference updated: 2024-03-31).
- More green than 99 % of the websites tested by webperf.se (Reference updated: 2022-12-16).
- Network transfer size: 37 kb 5.00

Software

5.00

Results collected at 2024-12-02

- Metadata used: apple-touch-icon, canonical, icon, open-graph, preload, viewport
- Javascript libraries used: plausible-analytics
- Languages found: en
- Image formats used: ico

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