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
andheight
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 withwidth
orinitial-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 withwidth
orinitial-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