blog .mathiaskunto .com

3.81

Results collected 2024-04-05 from https://blog.mathiaskunto.com/

Lighthouse Performance

3.80

About average speed.
Total Blocking Time: 190 ms 4.55
Largest Contentful Paint: 4.6 s 1.70
Cumulative Layout Shift 5.00
First Contentful Paint: 2.5 s 3.40
Speed Index: 3.6 s 4.30
Eliminate render-blocking resources 1.00
Largest Contentful Paint element 1.00
Minify CSS 1.00
Preconnect to required origins 1.00
Reduce unused CSS 1.00
Avoid serving legacy JavaScript to modern browsers: Potential savings of 6 KiB 2.50
Ensure text remains visible during webfont load: 2.50
First Meaningful Paint: 4.0 s 2.50
Reduce unused JavaScript: Potential savings of 33 KiB 2.50
Serve static assets with an efficient cache policy: 19 resources found 2.50
Max Potential First Input Delay: 210 ms 3.15
Time to Interactive: 5.2 s 3.75
Avoid chaining critical requests 5.00
Avoid large layout shifts 5.00
Avoid large layout shifts 5.00
Avoid long main-thread tasks 5.00
Avoid multiple page redirects 5.00
Avoid non-composited animations 5.00
Avoids document.write() 5.00
Avoids an excessive DOM size 5.00
Avoids enormous network payloads 5.00
Defer offscreen images 5.00
Diagnostics 5.00
Efficiently encode images 5.00
Enable text compression 5.00
Final Screenshot 5.00
Has a <meta name="viewport"> tag with width or initial-scale 5.00
Image elements have explicit width and height 5.00
Initial server response time was short 5.00
JavaScript execution time 5.00
Metrics 5.00
Minify JavaScript 5.00
Minimize third-party usage 5.00
Minimizes main-thread work 5.00
Network Requests 5.00
Network Round Trip Times 5.00
Properly size images 5.00
Remove duplicate modules in JavaScript bundles 5.00
Resources Summary 5.00
Screenshot Thumbnails 5.00
Script Treemap Data 5.00
Serve images in next-gen formats 5.00
Server Backend Latencies 5.00
Tasks 5.00
Use HTTP/2 5.00
Use video formats for animated content 5.00
Uses passive listeners to improve scrolling performance 5.00
Enable text compression 5.00

Lighthouse SEO

4.65

Pretty good at SEO, but still has some potential improvements.
Links do not have descriptive text 1.00
Document avoids plugins 5.00
Document has a <title> element 5.00
Document has a meta description 5.00
Document has a valid hreflang 5.00
Document has a valid rel=canonical 5.00
Document uses legible font sizes 5.00
Has a <meta name="viewport"> tag with width or initial-scale 5.00
Image elements have [alt] attributes 5.00
Links are crawlable 5.00
Page has successful HTTP status code 5.00
Page isn’t blocked from indexing 5.00
Tap targets are sized appropriately 5.00
robots.txt is valid 5.00

Lighthouse Best Practices

5.00

The website is adhering to good practice according to Google Lighthouse!
Avoids deprecated APIs 5.00
Avoids third-party cookies 5.00
Uses HTTPS 5.00
Allows users to paste into input fields 5.00
Avoids unload event listeners 5.00
Avoids requesting the geolocation permission on page load 5.00
Avoids requesting the notification permission on page load 5.00
Displays images with correct aspect ratio 5.00
No browser errors logged to the console 5.00
No issues in the Issues panel in Chrome Devtools 5.00
Page has the HTML doctype 5.00
Properly defines charset 5.00
Serves images with appropriate resolution 5.00
Detected JavaScript libraries 5.00
Ensure CSP is effective against XSS attacks 5.00
Page has valid source maps 5.00
Uses HTTPS 5.00
No issues in the Issues panel in Chrome Devtools 5.00
Allows users to paste into input fields 5.00
Avoids deprecated APIs 5.00
Page has the HTML doctype 5.00

W3C HTML

2.60

The tested page has 42 errors in its HTML code. It is not that good.
Number of grouped error type: 4 4.20
Number of errors: 42 1.00
Duplicate attribute X. (errors of this type: 20 pcs)
Duplicate ID X. (errors of this type: 19 pcs)
The X attribute was specified, but the element is not a property of any item. (errors of this type: 2 pcs)
Bad value X for attribute X on element X: Illegal character in query: X is not allowed. (errors of this type: 1 pcs)

Standard Files

3.50

robots.txt seems ok. 5.00
Sitemap is mentioned in robots.txt- Sitemap seems to be broken. 3.00
RSS subscription found. 5.00
security.txt is missing. 1.00

Lighthouse A11y

3.70

The accessibility is about average, but needs to get better.
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5. 1.00
Background and foreground colors do not have a sufficient contrast ratio. 1.00
Elements with role="dialog" or role="alertdialog" do not have accessible names. 1.00
Links do not have a discernible name 1.00
Links rely on color to be distinguishable. 1.00
[id] attributes on active, focusable elements are not unique 1.00
Buttons have an accessible name 5.00
Image elements have [alt] attributes 5.00
[aria-*] attributes are valid and not misspelled 5.00
[aria-*] attributes have valid values 5.00
[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
Document has a <title> element 5.00
List items (<li>) are contained within <ul>, <ol> or <menu> parent elements 5.00
Lists contain only <li> elements and script supporting elements (<script> and <template>). 5.00
No element has a [tabindex] value greater than 0 5.00
<html> element has a [lang] attribute 5.00
<html> element has a valid value for its [lang] attribute 5.00
[aria-hidden="true"] elements do not contain focusable descendents 5.00
[role] values are valid 5.00
Heading elements appear in a sequentially-descending order 5.00
Image elements do not have [alt] attributes that are redundant text. 5.00
Values assigned to role="" are valid ARIA roles. 5.00
Identical links have the same purpose. 5.00

Sitespeed.io

4.62

The website is fast. 4.62
Speedindex: 876 4.62
Loading time: 1.04s
Number of requests: 36

Yellow Lab Tools

3.85

The website is neither good nor bad. 3.85
Page weight 4.90
Requests 5.00
DOM complexity 4.90
JS complexity 5.00
Bad JS 5.00
jQuery 5.00
CSS complexity 2.75
Bad CSS 1.00
Web fonts 1.40
Server config 4.55
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 4.15
Total weight 5.00
Image optimization 5.00
Oversized images 5.00
Gzip/Brotli compression 5.00
File minification 4.35
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 1.00
Overweighted webfonts 2.25
WOFF 2 3.35
HTTP protocols 5.00
TLS protocols 5.00
Caching disabled 5.00
Caching not specified 5.00
Caching too short 1.00
jQuery version 5.00
TLS protocols 5.00
IDs duplicated 4.50
CSS syntax error 1.00
Gzip/Brotli compression 5.00
404 not found 5.00
TLS protocols 5.00

Pa11y

1.60

Number of error type: 14 2.20
Number of errors: 157 1.00

Problems:

A element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.17:1. Recommendation: change text colour to #8f7300.
Duplicate id attribute value "pull" found on the web page.
Duplicate id attribute value "menu-menu-1" found on the web page.
A searchinput element does not have a name available to an accessibility API. Valid names are: label element, title undefined, aria-label undefined, aria-labelledby undefined.
Anchor element found with a valid href attribute, but no link content has been supplied.
A element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 2.35:1. Recommendation: change text colour to #717682.
Duplicate id attribute value "menu-item-4019" found on the web page.
Duplicate id attribute value "menu-item-4020" found on the web page.
Duplicate id attribute value "featured-thumbnail" found on the web page.
Duplicate id attribute value "navigation" found on the web page.
Info: Too many unique problems to show them all.

Integrity & Security

2.75

Rather poor on user privacy.
Result generated: 2024-04-05 08:41:26 Etc/UTC (Cached for 24 hours)
HTTPS by default: is good! 5.00
HTTP Strict Transport Security HSTS: is pretty bad. 1.00
Content Security Policy: is pretty bad. 1.00
Reporting CSP Certificate Transparency Network Error Logging: is not that good. 2.50
Referrer Policy: is not that good. 2.50
Subresource Integrity SRI: is pretty bad. 1.00
HTTP headers: is good! 5.00
Cookies: is ok, with 2 error(s) and 0 warning(s). 4.00

HTTP & Tech

5.00

HTTP to HTTPS redirect 5.00
TLSv1.3 support 5.00
TLSv1.2 support 5.00
IPv6 support 5.00
IPv4 support 5.00
HTTPv3 support 5.00
QUIC support 5.00

Carbon Calculator

4.70

Webpage generates very little carbon dioxide!
Carbon dioxide per pageview: 0.29 gram(s)
More green than 94 % of the websites tested by webperf.se (Reference updated: 2022-12-16).
More green than 94 % of the websites tested by webperf.se (Reference updated: 2021-12-12).
Network transfer size: 474 kb 4.70