Source.android.com - SEO Checker

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Overview of the SEO Check
Meta information
98% 
Page quality
61% 
Page structure
79% 
Link structure
82% 
Server
97% 
External factors
100% 
SEO Score
Response time
0.46 s
File size
139.80 kB
Words
447
Media files
7
Number of links
29 internal / 19 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Android Open Source Project
The length of the page title is perfect. (263 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Android unites the world! Use the open source Android operating system to power your device.
The length of the meta description is perfect. (581 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://source.android.com/
There is a valid canonical link 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)
The specified alternate links have no errors.
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
google-signin-client-id721724668570-nbkv1cfusk7kk4eni4pjvepaus73b13t.apps.googleusercontent.com
google-signin-scopeprofile email https://www.googleapis.com/auth/developerprofiles https://www.googleapis.com/auth/developerprofiles.award
theme-color#34a853
viewportwidth=device-width, initial-scale=1
descriptionAndroid unites the world! Use the open source Android operating system to power your device.
google-site-verificationu63GsPxC7nSL9_iKT6-jN0FpOze5tBvZ0yeeayDob7g
langen
og:site_nameAndroid Open Source Project
og:typewebsite
og:titleAndroid Open Source Project
og:descriptionAndroid unites the world! Use the open source Android operating system to power your device.
og:urlhttps://source.android.com/
og:localeen
X-UA-CompatibleIE=Edge
charsetutf-8

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Page quality

Content
(Critically important)
There are only 447 words on this page. Good pages should have about 800 words of useful content.
29.1% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
13 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 18.93 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1" 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 9 tags for this page.
Image SEO
(Somewhat important)
7 images have no alt attribute. The content of alt attributes is used by search engines.
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

URLAlt attributeTitle
....android.com/images/picto-icons/flag.svgNo alt attribute provided
.../versions/15/images/android-15-green.svgNo alt attribute provided
...ndroid.com/images/picto-icons/code-2.svgNo alt attribute provided
...id.com/images/picto-icons/security-2.svgNo alt attribute provided
...android.com/images/picto-icons/learn.svgNo alt attribute provided
...roid.com/images/picto-icons/platform.svgNo alt attribute provided
....android.com/images/picto-icons/sync.svgNo alt attribute provided

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H2 Learn about AOSP
H2 Explore more
H3 Feature launch flags
H3 What's in Android 15
H3 Setup
H3 Security
H3 Android fundamentals
H3 Compatibility
H3 Automotive
H3 Android devices
H3 Security bulletins
H3 Android development
H3 Architecture
H3 Connectivity
H3 Build
H3 Connect
H3 Get help
Some anchor texts are used more than once.
6 links don't have an anchor text.
There are 2 links with a trivial anchor text.
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 19 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://source.android.com/Anchor Skip to main content
/docs/whatsnew/site-updatesChanges to AOSP
https://source.android.com/Subdomain AOSP
/docs/setup/build/feature-flag...Subdomain No Text
/docs/setup/build/feature-flag...Subdomain Feature launch flags
/docs/setup/build/feature-flag...Subdomain Trivial anchor text
Read more
/docs/whatsnew/android-15-releaseSubdomain No Text
/docs/whatsnew/android-15-releaseSubdomain What's in Android 15
/docs/whatsnew/android-15-releaseSubdomain Text duplicate Trivial anchor text
Read more
/docs/setupSubdomain Setup
/docs/securitySubdomain Security
/docs/coreSubdomain Android fundamentals
/docs/compatibilitySubdomain Compatibility
/docs/automotiveSubdomain Automotive
/docs/devicesSubdomain Android devices
/docs/security/bulletinSubdomain No Text
/docs/security/bulletinSubdomain Security bulletins
/docs/setup/startSubdomain No Text
/docs/setup/startSubdomain Android development
/docs/core/architectureSubdomain No Text
/docs/core/architectureSubdomain Architecture
/docs/core/connectSubdomain No Text
/docs/core/connectSubdomain Connectivity
https://android.googlesource.com/External Subdomain Android repository
/source/requirementsRequirements
/source/downloadingDownloading
https://developers.google.com/...External Subdomain Preview binaries
https://developers.google.com/...External Subdomain Factory images
https://developers.google.com/...External Subdomain Driver binaries
https://twitter.com/Android/External @Android on Twitter
https://twitter.com/AndroidDev/External @AndroidDev on Twitter
https://blog.google/products/a...External Android Blog
https://security.googleblog.com/External Subdomain Google Security Blog
https://groups.google.com/foru...External Subdomain Platform on Google Groups
https://groups.google.com/foru...External Subdomain Building on Google Groups
https://groups.google.com/foru...External Subdomain Porting on Google Groups
https://support.google.com/and...External Subdomain Android Help Center
https://support.google.com/pix...External Subdomain Pixel Help Center
https://www.android.com/External Subdomain www.android.com
https://www.android.com/gms/External Subdomain Google Mobile Services
https://stackoverflow.com/ques...External Stack Overflow
https://issuetracker.google.co...External Subdomain Issue Tracker
/source/About Android
/source/communityCommunity
https://source.android.com/legalLegal
/licenseLicense
https://policies.google.com/pr...External Subdomain Privacy
https://issuetracker.google.co...External Subdomain Site feedback

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://source.android.com/"
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 of 0.46 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (140 kB).

HTTP Response Header

NameValue
last-modifiedWed, 19 Mar 2025 00:11:44 GMT
content-typetext/html; charset=utf-8
varyCookie
content-security-policybase-uri 'self'; object-src 'none'; script-src 'strict-dynamic' 'unsafe-inline' https: http: 'nonce-fgFIrgAPhZjLULX8vt9Zux6X34ZWLN' 'unsafe-eval'; report-uri https://csp.withgoogle.com/csp/devsite/v2
strict-transport-securitymax-age=63072000; includeSubdomains; preload
x-frame-optionsSAMEORIGIN
x-xss-protection0
x-content-type-optionsnosniff
cache-controlno-cache, must-revalidate
expires0
pragmano-cache
content-encodinggzip
x-cloud-trace-context95df3750a65b6ab5aa347a9677651ba5
dateFri, 30 May 2025 16:17:08 GMT
serverGoogle Frontend
content-length19264
alt-svch3=":443"; ma=2592000,h3-29=":443"; ma=2592000
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 2,514 referring domains.
This page has 96,958 backlinks.
This page has backlinks from 2,105 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow:
Sitemap: https://source.android.com/sitemap.xml

Similar sites

Search preview

source.android.com
Android Open Source Project
Android unites the world! Use the open source Android operating system to power your device.

Most important keywords

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

KeywordResultRecheck
Android79%Check
Android Open Source70%Check
Source69%Check
Android Device66%Check
Android Open Source Project64%Check
Open Source63%Check
Android devices60%Check
Android Development60%Check
Android Automotive60%Check
Source Project58%Check
Show more keywords and terms

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