Docs.astral.sh - SEO Checker

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Overview of the SEO Check
Meta information
74% 
Page quality
52% 
Page structure
100% 
Link structure
90% 
Server
100% 
External factors
15% 
SEO Score
Response time
0.19 s
File size
25.60 kB
Words
89
Media files
0
Number of links
4 internal / 7 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Astral Docs
The page title is too short. (104 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Astral builds high-performance developer tools for the Python ecosystem, starting with Ruff and uv.
The length of the meta description is perfect. (606 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Server location: United States of America
The language is not specified in the HTML markup.
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportinitial-scale=1.0, width=device-width
referrerno-referrer-when-downgrade
descriptionAstral builds high-performance developer tools for the Python ecosystem, starting with Ruff and uv.
titleAstral Docs
msapplication-TileColor#d7ff64
theme-color#ffffff
next-head-count14
charsetutf-8

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Page quality

Content
(Critically important)
There are only 89 words on this page. Use at least 250 words to provide useful information.
Words from the H1 heading are not used in the page content.
Only 1 paragraph/s was/were found on this page.
28.1% of the text are stop words.
The page contains a listing, which indicates a good text layout.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 16 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "initial-scale=1.0, width=device-width" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

No media files were found.

Page structure

H1 heading
(Critically important)
Next-gen Python Tooling
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Next-gen Python Tooling
H2 Projects
H2 Resources
H3 uv
H3 Ruff
H3 Browse our repositories
H3 Join our Discord
H3 Follow our progress
There are too few (4) internal links on this page.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 7 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://docs.astral.sh/No Text
https://github.com/astral-shExternal No Text
https://docs.astral.sh/ruffSubdomain Get started
https://docs.astral.sh/uvSubdomain uv An extremely fast Python package manager, written in Rust.
https://docs.astral.sh/ruffSubdomain Ruff An extremely fast Python linter and formatter, written in Rust.
https://github.com/astral-shNew window External Browse our repositories Explore our open-source projects on GitHub, including uv, Ruff, and Rye.
https://discord.com/invite/c9M...New window External Join our Discord Join our community to ask questions, share ideas, and get support.
https://astral.sh/blogNew window External Follow our progress Read the latest news, updates, and announcements from the Astral team.
https://discord.com/invite/c9M...External No Text
https://twitter.com/astral_shExternal No Text
https://github.com/astral-shExternal No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://docs.astral.sh/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.19 seconds.
The file size of the HTML document is fine (26 kB).

HTTP Response Header

NameValue
dateSat, 22 Feb 2025 12:27:46 GMT
content-typetext/html; charset=utf-8
access-control-allow-origin*
cache-controlpublic, max-age=0, must-revalidate
link</_next/static/css/0a47a57aac854c87.css>; rel="preload"; as=style
referrer-policystrict-origin-when-cross-origin
x-content-type-optionsnosniff
report-to{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=hW%2FeCGTNjarwmO2GeEn7Bv%2BWYI69hAjxNlR9XSvb3EaNGGdk4Ad5ZGgi2g0QxcdqVUwYm%2FX6sn2%2BD%2FsxsnjPRaaujGs7iR9S8tCTxZ%2FfOMAdDSedJufNmeoPYcPcKMItZw%3D%3D"}],"group":"cf-nel","max_age":604800}
nel{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
varyAccept-Encoding
cf-cache-statusDYNAMIC
servercloudflare
cf-ray915ef8e0df3f0177-CDG
content-encodinggzip
alt-svch3=":443"; ma=86400
server-timingcfL4;desc="?proto=TCP&rtt=13559&min_rtt=13528&rtt_var=3865&sent=7&recv=10&lost=0&retrans=0&sent_bytes=3396&recv_bytes=940&delivery_rate=213522&cwnd=174&unsent_bytes=0&cid=e0d0147bca9e4371&ts=62&x=0"
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 5 referring domains.
This page only has 6 backlinks.
This page only has few backlinks from 5 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

docs.astral.sh
Astral Docs
Astral builds high-performance developer tools for the Python ecosystem, starting with Ruff and uv.

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Astral69%Check
Python62%Check
Python ecosystem54%Check
Ruff50%Check
Next-gen50%Check
Tooling50%Check
ecosystem46%Check
high-performance46%Check
developer46%Check
tools46%Check
Show more keywords and terms

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