blog .mathiaskunto .com

3.99

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

Lighthouse Performance

4.40

Results collected at 2024-11-13

- The website is fast.

Performance section:
- Total Blocking Time 5.00
- Largest Contentful Paint: 3.3 s 3.40
- Cumulative Layout Shift 5.00
- First Contentful Paint: 2.4 s 3.60
- Speed Index: 3.5 s 4.35
- Reduce initial server response time 1.00
- Largest Contentful Paint element 1.00
- Eliminate render-blocking resources 1.00
- Minify CSS 1.00
- Reduce unused CSS 1.00
- Ensure text remains visible during webfont load: 2.50
- Serve static assets with an efficient cache policy: 19 resources found 2.50
- Reduce unused JavaScript: Potential savings of 73 KiB 2.50
- Avoid serving legacy JavaScript to modern browsers: Potential savings of 6 KiB 2.50
- Time to Interactive: 5.9 s 3.25
- 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
- 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
- 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
- Avoid long main-thread tasks 5.00
- Avoid non-composited animations 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 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
- 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 2024-11-13

- 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

4.60

Results collected at 2024-11-13

- 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
- Image elements have `[alt]` attributes 5.00
- Document has a meta description 5.00
- Page has successful HTTP status code 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 2024-11-13

- 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
- Detected JavaScript libraries 5.00

W3C HTML

2.60

Results collected at 2024-11-13

- The tested page has 42 errors in its HTML code. It is not that good.

Standards section:
- #1: Webpage - Number of grouped error type: 4 4.20
- #1: Webpage - Number of errors: 42 1.00
- Duplicate attribute “rel”. (errors of this type: 20 pcs)
- Duplicate ID “featured-thumbnail”. (errors of this type: 19 pcs)
- The “itemprop” attribute was specified, but the element is not a property of any item. (errors of this type: 2 pcs)
- Bad value “//fonts.googleapis.com/css?family=Lato:300|Lato:normal|Open+Sans:normal|Open+Sans:600&subset=latin” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed. (errors of this type: 1 pcs)

W3C CSS

4.70

Results collected at 2024-11-13

- The CSS is very good.

Standards section:
- `<style>` in: #1: Webpage , number of grouped error type: 0 5.00
- `<style>` in: #1: Webpage , number of errors: 0 5.00
- `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: 6 3.80
- `<link rel="stylesheet">` in: #1: Webpage , number of errors: 12 3.80
- CSS: “rotate”: Property “rotate” doesn't exist. (number of errors of this type: 3)
- CSS: “filter”: Parse Error. (number of errors of this type: 1)
- CSS: Parse Error. (number of errors of this type: 1)
- CSS: “scrollbar-gutter”: Property “scrollbar-gutter” doesn't exist. (number of errors of this type: 1)
- CSS: “right”: Parse Error. (number of errors of this type: 1)
- CSS: “top”: Parse Error. (number of errors of this type: 1)
- CSS: “padding”: The types are incompatible. (number of errors of this type: 1)
- CSS: Unknown pseudo-element or pseudo-class “:input-placeholder” (number of errors of this type: 1)
- CSS: “cursor”: “hand” is not a “cursor” value. (number of errors of this type: 1)
- CSS: “overflow”: “h” is not a “overflow” value. (number of errors of this type: 1)
- `content-type=".*css.*"` in: #13: css, number of grouped error type: 0 5.00
- `content-type=".*css.*"` in: #13: css, number of errors: 0 5.00

Lighthouse A11y

4.00

Results collected at 2024-11-13

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

Accessibility section:
- `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. 1.00
- Elements with `role="dialog"` or `role="alertdialog"` do not have accessible names. 1.00
- Background and foreground colors do not have a sufficient contrast ratio. 1.00
- Links do not have a discernible name 1.00
- Links rely on color to be distinguishable. 1.00
- `[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
- `[aria-*]` attributes have valid values 5.00
- `[aria-*]` attributes are valid and not misspelled 5.00
- Buttons have an accessible name 5.00
- Image elements have `[alt]` attributes 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
- `[role]` values are valid 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
- 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
- No element has a `[tabindex]` value greater than 0 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
- Image elements do not have `[alt]` attributes that are redundant text. 5.00
- Identical links have the same purpose. 5.00

Sitespeed.io

4.53

Results collected at 2024-11-13

Performance section:
- [desktop] TTFB (Time to First Byte): 581.00ms, ±230.00ms 1.00
- [desktop] DOMContentLoaded: 718.00ms, ±240.00ms 4.56
- [desktop] FCP (First Contentful Paint): 727.67ms, ±241.33ms 5.00
- [desktop] LCP (Largest Contentful Paint): 929.00ms, ±241.00ms 3.00
- [desktop] Load: 981.33ms, ±218.67ms 4.04
- [desktop] CLS (Cumulative Layout Shift): 0.00ms, ±0.00ms 5.00
- [desktop] FirstVisualChange: 736.00ms, ±236.00ms 4.53
- [desktop] SpeedIndex: 810.00ms, ±230.00ms 4.38
- [desktop] VisualComplete85: 936.50ms, ±203.50ms 4.13
- [desktop] TBT (Total Blocking Time): 0.00ms, ±0.00ms 5.00
- [desktop] firstPaint: 727.67ms, ±241.33ms
- [desktop] LastVisualChange: 2040.00ms, ±140.00ms
- [mobile] TTFB (Time to First Byte): 342.00ms, ±17.00ms 5.00
- [mobile] DOMContentLoaded: 474.67ms, ±0.33ms 5.00
- [mobile] FCP (First Contentful Paint): 502.00ms, ±2.00ms 5.00
- [mobile] LCP (Largest Contentful Paint): 555.67ms, ±11.33ms 5.00
- [mobile] Load: 688.67ms, ±30.33ms 5.00
- [mobile] CLS (Cumulative Layout Shift): 0.00ms, ±0.00ms 5.00
- [mobile] FirstVisualChange: 517.50ms, ±16.50ms 5.00
- [mobile] SpeedIndex: 718.50ms, ±15.50ms 5.00
- [mobile] VisualComplete85: 885.00ms, ±50.00ms 5.00
- [mobile] TBT (Total Blocking Time): 0.00ms, ±0.00ms 5.00
- [mobile] firstPaint: 502.00ms, ±2.00ms
- [mobile] LastVisualChange: 1850.00ms, ±50.00ms

Yellow Lab Tools

3.60

Results collected at 2024-11-13

- The website is neither good nor bad. 3.60
- Network 4.85
- Images 4.65
- DOM complexity 4.50
- 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 4.45

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 4.15
- Total weight 5.00
- Gzip/Brotli compression 5.00
- File minification 3.45
- 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 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

Pa11y

1.60

Results collected at 2024-11-13

Accessibility section:
- Number of types of issues: 14 2.20
- Number of issues: 161 1.00

##### Problems:
- Img element is the only content of the link, but is missing alt text. The alt text should describe the purpose of the link.
- Duplicate id attribute value "pull" 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.
- Duplicate id attribute value "menu-item-4019" found on the web page.
- 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 2.11:1. Recommendation: change background to #047cbe.
- 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.
- 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 2.26:1. Recommendation: change text colour to #338711.
- Duplicate id attribute value "menu-menu-1" 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 list them all.

Integrity & Security

2.38

Results collected at 2024-11-13

- Rather poor on user privacy.

Security section:
- 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 8 error(s) and 0 warning(s). 1.00

Energy Efficiency

4.55

Results collected at 2024-11-13

- Webpage generates very little carbon dioxide!
- Carbon dioxide per pageview: 0.36 gram(s)
- More green than 91 % of the websites tested by webperf.se (Reference updated: 2024-03-31).
- More green than 91 % of the websites tested by webperf.se (Reference updated: 2022-12-16).
- Network transfer size: 582 kb 4.55

Software

4.97

Results collected at 2024-11-13

- CMS used: wordpress
- Web server used: tomcat
- Technology used: js, php
- License(s) used: apache-2.0, mit
- Metadata used: apple-touch-icon, canonical, dns-prefetch, icon, viewport
- Javascript libraries used: jquery, jquery-migrate, jquery-ui, pace, parallax
- Languages found: en-us
- Image formats used: jpeg, jpg, png

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):
- jquery-migrate 3.4.1
- jquery-ui 1.13.3

###### Affected resource(s):
- https://blog.mathiaskunto.com/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1
- https://blog.mathiaskunto.com/wp-includes/js/jquery/ui/core.min.js?ver=1.13.3
- https://blog.mathiaskunto.com/wp-includes/js/jquery/ui/tabs.min.js?ver=1.13.3
##### 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