Doc.rust-lang.org - SEO Checker

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Overview of the SEO Check
Meta information
72% 
Page quality
90% 
Page structure
98% 
Link structure
82% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.03 s
File size
10.50 kB
Words
686
Media files
0
Number of links
39 internal / 5 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Rust Documentation
The page title is too short. (182 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
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
Language defined in HTML: en
Server location: Germany
The following language is defined by HTML: en
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 character encoding is not specified in the HTTP header.
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)
No favicon is linked in the HTML code.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0
generatorrustdoc
langen
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 686 words. That's ok.
43.7% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
16 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 19.23 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1.0" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 14 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)
Rust Documentation
The H1 heading is too short (18 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Rust Documentation
H2 §Learning Rust
H2 §Using Rust
H2 §Mastering Rust
H2 §Specialized Rust
H3 §The Rust Programming Language
H3 §Rust By Example
H3 §Rustlings
H3 §Rust Playground
H3 §The Standard Library
H3 §Your Personal Documentation
H3 §Rust Version History
H3 §The rustc Book
H3 §The Cargo Book
H3 §The Rustdoc Book
H3 §The Clippy Book
H3 §Extended Error Listing
H3 §The Reference
H3 §The Style Guide
H3 §The Rustonomicon
H3 §The Unstable Book
H3 §The rustc Contribution Guide
H3 §Embedded Systems
H4 §The Embedded Rust Book
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 5 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.rust-lang.org/External Subdomain Rust project
/stable/std/index.htmlRust API documentation
https://doc.rust-lang.org/stable/Anchor §
https://doc.rust-lang.org/stable/Anchor Text duplicate §
/stable/book/index.htmlThe Rust Programming Language
https://doc.rust-lang.org/stable/Anchor Text duplicate §
/stable/rust-by-example/index....Rust By Example
https://doc.rust-lang.org/stable/Anchor Text duplicate §
https://github.com/rust-lang/r...External Rustlings
https://doc.rust-lang.org/stable/Anchor Text duplicate §
https://play.rust-lang.org/External Subdomain Rust Playground
https://doc.rust-lang.org/stable/Anchor Text duplicate §
https://doc.rust-lang.org/stable/Anchor Text duplicate §
/stable/std/index.htmlextensive API documentation
https://doc.rust-lang.org/stable/Anchor Text duplicate §
https://doc.rust-lang.org/stable/Anchor Text duplicate §
/stable/releases.htmlThe Release Notes
/stable/edition-guide/index.htmlThe Edition Guide
https://doc.rust-lang.org/stable/Anchor Text duplicate §
/stable/rustc/index.htmlThe rustc Book
https://doc.rust-lang.org/stable/Anchor Text duplicate §
/stable/cargo/index.htmlThe Cargo Book
https://doc.rust-lang.org/stable/Anchor Text duplicate §
/stable/rustdoc/index.htmlThe Rustdoc Book
https://doc.rust-lang.org/stable/Anchor Text duplicate §
/stable/clippy/index.htmlThe Clippy Book
https://doc.rust-lang.org/stable/Anchor Text duplicate §
/stable/error_codes/index.htmlrustc error codes
https://doc.rust-lang.org/stable/Anchor Text duplicate §
https://doc.rust-lang.org/stable/Anchor Text duplicate §
/stable/reference/index.htmlThe Reference
https://doc.rust-lang.org/stable/Anchor Text duplicate §
/stable/style-guide/index.htmlThe Rust Style Guide
https://doc.rust-lang.org/stable/Anchor Text duplicate §
/stable/nomicon/index.htmlThe Rustonomicon
https://doc.rust-lang.org/stable/Anchor Text duplicate §
/stable/unstable-book/index.htmlThe Unstable Book
https://doc.rust-lang.org/stable/Anchor Text duplicate §
https://rustc-dev-guide.rust-l...External Subdomain The rustc Guide
https://doc.rust-lang.org/stable/Anchor Text duplicate §
https://doc.rust-lang.org/stable/Anchor Text duplicate §
https://github.com/rust-embeddedExternal Embedded Working Group
https://doc.rust-lang.org/stable/Anchor Text duplicate §
/stable/embedded-book/index.htmlThe Embedded Rust Book

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://doc.rust-lang.org/stable/"
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 0.03 seconds.
The file size of the HTML document is fine (11 kB).

HTTP Response Header

NameValue
content-typetext/html
last-modifiedThu, 15 May 2025 17:14:08 GMT
x-amz-version-idUAnWNLuyduQ2F46Eefy6ORs00KmtKqOG
x-amz-storage-classINTELLIGENT_TIERING
serverAmazonS3
content-encodinggzip
dateSat, 24 May 2025 07:09:31 GMT
etagW/"d8058a8b6bdd71aeb12b38314a3314f7"
varyAccept-Encoding
x-cacheHit from cloudfront
via1.1 3296b04068551f925d5fafd1b785ff30.cloudfront.net (CloudFront)
x-amz-cf-popFRA60-P3
alt-svch3=":443"; ma=86400
x-amz-cf-idn299kwLLX5iuHvGOBvWV_6UvjYAbBvPkFdaNsDxmzuBwRExeKsrikg==
age58867
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 30 referring domains.
This page has 58 backlinks.
This page has backlinks from 30 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /1.
Disallow: /0.
Disallow: /book/first-edition/
Disallow: /book/second-edition/
Disallow: /stable/book/first-edition/
Disallow: /stable/book/second-edition/
Disallow: /beta/book/first-edition/
Disallow: /beta/book/second-edition/
Disallow: /nightly/book/first-edition/
Disallow: /nightly/book/second-edition/

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Search preview

doc.rust-lang.org › stable
Rust Documentation

Most important keywords

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

KeywordResultRecheck
doc72%Check
Documentation66%Check
Rust63%Check
Rust Documentation62%Check
API Documentation52%Check
Rust toolchain49%Check
Using Rust49%Check
Rust compiler49%Check
book43%Check
Guide43%Check
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