tedgustaf .com

4.03

Results collected 2023-09-07 from https://tedgustaf.com/

Lighthouse Performance

3.00

About average speed.
Total Blocking Time: 390 ms 3.45
Largest Contentful Paint: 8.3 s 1.00
Cumulative Layout Shift 5.00
Speed Index: 4.8 s 3.30
First Contentful Paint: 2.4 s 3.50
Image elements do not have explicit width and height 1.00
Minimize main-thread work: 7.4 s 1.00
Page prevented back/forward cache restoration 1.00
Reduce the impact of third-party code 1.00
Max Potential First Input Delay: 340 ms 1.30
Eliminate render-blocking resources: Potential savings of 1,170 ms 2.15
Serve static assets with an efficient cache policy: 12 resources found 2.40
Time to Interactive: 6.8 s 2.75
Reduce JavaScript execution time: 2.7 s 3.10
Reduce unused JavaScript: Potential savings of 101 KiB 3.10
Preconnect to required origins: Potential savings of 530 ms 3.25
Reduce unused CSS: Potential savings of 48 KiB 4.05
First Meaningful Paint: 2.4 s 4.40
All text remains visible during webfont loads 5.00
Avoid multiple page redirects 5.00
Avoid serving legacy JavaScript to modern browsers 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
Efficiently encode images 5.00
Enable text compression 5.00
Has a <meta name="viewport"> tag with width or initial-scale 5.00
Initial server response time was short 5.00
Minify CSS 5.00
Minify JavaScript 5.00
Properly size images 5.00
Remove duplicate modules in JavaScript bundles 5.00
Serve images in next-gen formats 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

4.75

The website can still make some improvements on best practice.
Avoids deprecated APIs 5.00
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 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
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

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

4.00

The website can be more accessible, but is rather good!
Buttons do not have an accessible name 1.00
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
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
Form elements have associated labels 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
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
[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

3.85

About average speed. 3.85
Speedindex: 1650 3.85
Loading time: 2.01s
Number of requests: 37

Yellow Lab Tools

4.25

The website has good frontend code. 4.25
Page weight 4.80
Requests 4.65
DOM complexity 4.90
JS complexity 2.90
Bad JS 5.00
jQuery 5.00
CSS complexity 4.45
Bad CSS 2.95
Web fonts 2.50
Server config 4.50
Number of iframes 5.00
Total JS execution time 1.70
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 4.40
File minification 4.50
Requests number 5.00
Different domains 4.15
404 not found 5.00
Connections closed 5.00
Identical content 5.00
Below the fold images 3.65
Webfonts number 1.00
Overweighted webfonts 5.00
WOFF 2 5.00
HTTP protocols 4.80
TLS protocols 3.00
Caching disabled 5.00
Caching not specified 5.00
Caching too short 4.75
TLS protocols 3.00
IDs duplicated 4.50
CSS syntax error 5.00
Gzip/Brotli compression 4.40
404 not found 5.00
TLS protocols 3.00

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: 2023-09-06 17:00:54 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 20 error(s) and 0 warning(s). 1.00

HTTP & Tech

3.22

HTTP to HTTPS redirect 5.00
No TLSv1.3 support 1.00
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: 0.4 gram(s)
More green than 89 % of the websites tested by webperf.se (Reference updated: 2022-12-16).
More green than 90 % of the websites tested by webperf.se (Reference updated: 2021-12-12).
Network transfer size: 654 kb 4.45

Software

4.00

WebServer used: microsoft-httpapi
Technology used: js, typescript
License(s) used: mit
Metadata used: open-graph, viewport, apple-touch-icon, icon
JS Libraries used: postscribe, uuid, focus-lock, core-js
Languages found: en
Image formats used: webp, png, jpg, svg
Video formats used: webm
Update(s) available 4.00