tedgustaf .com

4.18

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

Lighthouse Performance

4.45

The website is fast.
Total Blocking Time 5.00
Largest Contentful Paint: 3.0 s 3.90
Cumulative Layout Shift 5.00
First Contentful Paint: 2.5 s 3.35
Speed Index: 3.9 s 4.15
Eliminate render-blocking resources 1.00
Largest Contentful Paint element 1.00
Minimize main-thread work 1.00
Preconnect to required origins 1.00
Reduce JavaScript execution time 1.00
Reduce unused CSS 1.00
Avoid serving legacy JavaScript to modern browsers: Potential savings of 11 KiB 2.50
Defer offscreen images: Potential savings of 8 KiB 2.50
Reduce unused JavaScript: Potential savings of 119 KiB 2.50
Serve static assets with an efficient cache policy: 5 resources found 2.50
Time to Interactive: 6.7 s 2.80
Max Potential First Input Delay: 160 ms 4.05
First Meaningful Paint: 2.5 s 4.30
All text remains visible during webfont loads 5.00
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
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
Metrics 5.00
Minify CSS 5.00
Minify JavaScript 5.00
Minimize third-party usage 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

3.70

About average on following good practice
Uses deprecated APIs 1.00
Avoids third-party cookies 5.00
Browser errors were logged to the console 1.00
Registers an unload listener 1.00
Uses HTTPS 5.00
Allows users to paste into input fields 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 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
Uses deprecated APIs 1.00
Page has the HTML doctype 5.00

W3C HTML

4.85

The tested page has 1 errors in its HTML code.
Number of grouped error type: 1 4.80
Number of errors: 1 4.90
A document must not include both a X element with an X attribute whose value is X, and a X element with a X attribute. (errors of this type: 1 pcs)

Standard Files

4.00

robots.txt seems ok. 5.00
Sitemap seems to work. 5.00
RSS subscription found. 5.00
security.txt is missing. 1.00

Lighthouse A11y

4.25

The website can be more accessible, but is rather good!
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children. 1.00
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5. 1.00
Buttons have an accessible name 5.00
Image elements have [alt] attributes 5.00
[aria-hidden="true"] is not present on the document <body> 5.00
[role]s have all required [aria-*] attributes 5.00
Background and foreground colors have a sufficient contrast ratio 5.00
Document has a <title> element 5.00
Links have a discernible name 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
<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
[id] attributes on active, focusable elements are unique 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

Sitespeed.io

4.30

The website is fast. 4.30
Speedindex: 1200 4.30
Loading time: 1.48s
Number of requests: 31

Yellow Lab Tools

4.40

The website has good frontend code. 4.40
Page weight 4.30
Requests 4.75
DOM complexity 5.00
JS complexity 4.80
Bad JS 4.40
jQuery 5.00
CSS complexity 4.45
Bad CSS 2.95
Web fonts 2.50
Server config 4.75
Number of iframes 5.00
Total JS execution time 5.00
DOM access 5.00
Scroll events bound 3.55
document.write calls 5.00
Synchronous Ajax requests 5.00
Rules count 4.65
Total weight 5.00
Image optimization 5.00
Oversized images 5.00
Gzip/Brotli compression 1.15
File minification 4.60
Requests number 5.00
Different domains 4.45
404 not found 5.00
Connections closed 5.00
Identical content 5.00
Below the fold images 4.10
Webfonts number 1.00
Overweighted webfonts 5.00
WOFF 2 5.00
HTTP protocols 5.00
TLS protocols 4.00
Caching disabled 5.00
Caching not specified 5.00
Caching too short 4.75
TLS protocols 4.00
IDs duplicated 5.00
CSS syntax error 5.00
Gzip/Brotli compression 1.15
404 not found 5.00
TLS protocols 4.00

Pa11y

4.70

The website can be more accessible, but is rather good!
Number of error type: 2 4.60
Number of errors: 2 4.80

Problems:

A element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 3:1, but text in this element has a contrast ratio of 2.06:1. Recommendation: change background to #00aa68.
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 1:1. Recommendation: change text colour to #767676.

Integrity & Security

2.69

Rather poor on user privacy.
Result generated: 2024-04-05 08:39:59 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 good! 5.00
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 14 error(s) and 0 warning(s). 1.00

HTTP & Tech

3.67

HTTP to HTTPS redirect 5.00
TLSv1.3 support 5.00
TLSv1.2 support 5.00
No IPv6 support 1.00
IPv4 support 5.00
No HTTPv3 support 1.00
No QUIC support 1.00

Carbon Calculator

4.45

Webpage generates little carbon dioxide!
Carbon dioxide per pageview: 0.42 gram(s)
More green than 89 % of the websites tested by webperf.se (Reference updated: 2022-12-16).
More green than 89 % of the websites tested by webperf.se (Reference updated: 2021-12-12).
Network transfer size: 677 kb 4.45