Website review sitespeed.io
Welcome to the wonderful world of Web Performance
Generated on December 19 2025 18:32 PM
Old data? UPDATE !
The score is 77/100
SEO Content
Title
Welcome to the wonderful world of Web Performance
Length : 49
Perfect, your title contains between 10 and 70 characters.
Description
Sitespeed.io is an open source tool that helps you analyse and optimise your website speed and performance, based on performance best practices.
Length : 144
Great, your meta description contains between 70 and 160 characters.
Keywords
sitespeed.io, wpo, webperf, perfmatters, fast, site, speed, web performance optimisation, analyse, best practices, continuous integration
Good, your page contains meta keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| image | /img/sitespeed.io-400x400.png |
| title | Welcome to the wonderful world of Web Performance |
| url | https://www.sitespeed.io/ |
| site_name | Sitespeed.io - How speedy is your website |
| description | Sitespeed.io is an open source tool that helps you analyse and optimise your website speed and performance, based on performance best practices. |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 11 | 4 | 0 | 0 | 0 |
- [H1] Welcome to the wonderful world of Web Performance
- [H2] Docker
- [H2] npm
- [H2] Deploying your own version of sitespeed.io online
- [H2] Get the latest versions
- [H2] What tool should I use?
- [H2] Google Web Vitals
- [H2] Monitor your site
- [H2] We believe in privacy
- [H2] What does it cost?
- [H2] Thank you!
- [H2] Contribute
- [H3] Universe
- [H3] Connect
- [H3] sitespeed.io
- [H3] ♥ Open Source ♥
Images
We found 6 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 18%
Good, this page's ratio of text to HTML code is higher than 15, but lower than 25 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 85 links including 15 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Start | Internal | Passing Juice |
| Documentation | Internal | Passing Juice |
| sitespeed.io | Internal | Passing Juice |
| Browsertime | Internal | Passing Juice |
| OnlineTest | Internal | Passing Juice |
| Throttle | Internal | Passing Juice |
| Coach | Internal | Passing Juice |
| PageXray | Internal | Passing Juice |
| Humble | Internal | Passing Juice |
| Compare | Internal | Passing Juice |
| Chrome HAR | Internal | Passing Juice |
| Support | Internal | Passing Juice |
| Examples | Internal | Passing Juice |
| Blog | Internal | Passing Juice |
| Videos | Internal | Passing Juice |
| Search | Internal | Passing Juice |
| Docker container | External | Passing Juice |
| extremely well | Internal | Passing Juice |
| how to run test scripts | Internal | Passing Juice |
| “Getting started with Sitespeed.io using Docker” | External | Passing Juice |
| connectivity guide | Internal | Passing Juice |
| run the test on your Android phone | Internal | Passing Juice |
| Read the blog post to find out more | Internal | Passing Juice |
| npm | External | Passing Juice |
| changelog | External | Passing Juice |
| RSS | External | Passing Juice |
| Docker | External | Passing Juice |
| npm | External | Passing Juice |
| changelog | External | Passing Juice |
| RSS | External | Passing Juice |
| Docker | External | Passing Juice |
| npm | External | Passing Juice |
| changelog | External | Passing Juice |
| RSS | External | Passing Juice |
| npm | External | Passing Juice |
| changelog | External | Passing Juice |
| RSS | External | Passing Juice |
| Compare | Internal | Passing Juice |
| npm | External | Passing Juice |
| changelog | External | Passing Juice |
| RSS | External | Passing Juice |
| Humble | External | Passing Juice |
| changelog | External | Passing Juice |
| RSS | External | Passing Juice |
| npm | External | Passing Juice |
| changelog | External | Passing Juice |
| RSS | External | Passing Juice |
| npm | External | Passing Juice |
| changelog | External | Passing Juice |
| RSS | External | Passing Juice |
| Chrome-HAR | External | Passing Juice |
| Google Web Vitals documentation | Internal | Passing Juice |
| docker-compose file | External | Passing Juice |
| generic Grafana dashboards | External | Passing Juice |
| dashboard.sitespeed.io | Internal | Passing Juice |
| documentation site | Internal | Passing Juice |
| dashboard | Internal | Passing Juice |
| read more | Internal | Passing Juice |
| Hetzner | External | Passing Juice |
| refer to our cost breakdown information | Internal | Passing Juice |
| see the full list | Internal | Passing Juice |
| Selenium | External | Passing Juice |
| VisualMetrics | External | Passing Juice |
| PerfCascade | External | Passing Juice |
| Skeleton | External | Passing Juice |
| Simple crawler | External | Passing Juice |
| help section | External | Passing Juice |
| full issue list | External | Passing Juice |
| all those | External | Passing Juice |
| sitespeed.io | External | Passing Juice |
| Browsertime | External | Passing Juice |
| The coach | External | Passing Juice |
| PageXray | External | Passing Juice |
| Compare | External | Passing Juice |
| Throttle | External | Passing Juice |
| Docker | External | Passing Juice |
| Plugins | External | Passing Juice |
| Bluesky | External | Passing Juice |
| Slack | External | Passing Juice |
| Mastodon | External | Passing Juice |
| About Us | Internal | Passing Juice |
| Logos | Internal | Passing Juice |
| Privacy Policy | Internal | Passing Juice |
| Sponsor | Internal | Passing Juice |
| Skeleton | External | Passing Juice |
SEO Keywords
Keywords Cloud
changelog tools sitespeedio rss web docker npm get tool performance
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| sitespeedio | 25 |  |
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| performance | 13 |  |
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| web | 10 | |
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| npm | 9 | |
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| tool | 8 | |
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Usability
Url
Domain : sitespeed.io
Length : 12
Favicon
Great, your website has a favicon.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Great no email address has been found in plain text!
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
|
Perfect. No inline css has been found in HTML tags! |
|
Great, your website has few CSS files. |
|
Perfect, your website has few JavaScript files. |
|
Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
|
Apple Icon |
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Meta Viewport Tag |
|
Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://www.sitespeed.io/sitemap.xml |
Robots.txt
https://sitespeed.io/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
We didn't detect an analytics tool installed on this website.
Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.
PageSpeed Insights
Device
Categories
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