Source.android.com - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
98% 
Page quality
81% 
Page structure
100% 
Link structure
82% 
Server
92% 
External factors
100% 
SEO Score
Response time
0.55 s
File size
140.30 kB
Words
740
Media files
9
Number of links
38 internal / 24 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Android Open Source Project
The length of the page title is perfect. (265 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. COPY
The length of the meta description is perfect. (627 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: United States of America
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. COPY
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. COPY
og:urlhttps://source.android.com/
og:localeen
X-UA-CompatibleIE=Edge
charsetutf-8

Test up to 1.000 webpages of source.android.com with our free plan!

Try For Free
No trial. It's just free!

Page quality

Content
(Critically important)
This page contains 740 words. That's ok.
28.5% 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.
The page contains a listing, which indicates a good text layout.
12 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 23.6 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 15 tags for this page.
Image SEO
(Somewhat important)
8 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
...1a784791/androidsource/images/lockup.svgAndroid Open Source Project
/static/images/landing_icon-porting.pngNo alt attribute provided
/static/images/landing_icon-security.pngNo alt attribute provided
...ic/images/landing_icon-compatibility.pngNo alt attribute provided
/static/images/android_stack.pngNo alt attribute provided
...ter-illustrations/success-guide-16-9.svgNo alt attribute provided
/static/images/asb-bulletin-icon.svgNo alt attribute provided
/static/images/pixel-bulletin-icon.svgNo alt attribute provided
/static/images/aaos-bulletin-icon.svgNo alt attribute provided

Page structure

H1 heading
(Critically important)
Android Open Source Project
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Android Open Source Project
H2 Security and Update Bulletins
H2 News
H3 Interfaces and architecture
H3 Android security is essential
H3 Design compatible devices
H3 About the Android Open Source Project
H3 Generic Kernel Image (GKI) Development
H3 Android Security Bulletin
H3 Pixel Update Bulletin
H3 Android Auto Bulletin
H3 Catalog for Android docs (experimental)
H3 Android 14 documentation
H3 Android Security Bulletins
H3 Build fingerprint
H3 Build
H3 Connect
H3 Get help
Some anchor texts are used more than once.
7 links don't have an 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 24 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://source.android.com/IMG-ALT Android Open Source Project
https://source.android.com/docsSubdomain Docs
https://cs.android.com/android...External Subdomain GO TO CODE ➚
/docs/setup/download/downloadingGet source
https://source.android.com/Subdomain AOSP
/docs/core/architectureSubdomain No Text
/docs/core/architectureSubdomain Interfaces and architecture
/docs/core/architectureSubdomain Understand architecture
/docs/securitySubdomain No Text
/docs/securitySubdomain Android security is essential
/docs/securitySubdomain Implement security
/docs/compatibilitySubdomain No Text
/docs/compatibilitySubdomain Design compatible devices
/docs/compatibilitySubdomain Test devices
https://source.android.com/source.android.com
https://source.android.google.cn/External Subdomain source.android.google.cn
/setup/contributecontribute code to AOSP
https://android.googlesource.c...External Subdomain changelog
https://issuetracker.google.co...External Subdomain Site Feedback
https://g.co/androidsourceissueExternal g.co/androidsourceissue
/docs/core/architecture/kernelSubdomain No Text
/docs/core/architecture/kernelSubdomain Generic Kernel Image (GKI) Development
/docs/core/architecture/kernelSubdomain Learn about GKI
/docs/security/bulletinSubdomain No Text
/docs/security/bulletinSubdomain Android Security Bulletin
/docs/security/bulletin/pixelSubdomain No Text
/docs/security/bulletin/pixelSubdomain Pixel Update Bulletin
/docs/security/bulletin/aaosSubdomain No Text
/docs/security/bulletin/aaosSubdomain Android Auto Bulletin
/docs/catalogSubdomain Catalog for Android docs (experimental)
/docs/catalogSubdomain Search the docs
/docs/setup/about/android-14-r...Subdomain Android 14 documentation
/docs/setup/about/android-14-r...Subdomain Read the docs
/docs/security/bulletinSubdomain Android Security Bulletins
/docs/security/bulletinSubdomain Text duplicate Android Security Bulletin
/docs/setup/build/buildingSubdomain Anchor Build fingerprint
/docs/setup/build/buildingSubdomain Anchor ID your build
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.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.55 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-modifiedTue, 05 Mar 2024 04:40:43 GMT
content-typetext/html; charset=utf-8
varyCookie
set-cookie104 Characters
content-security-policybase-uri 'self'; object-src 'none'; script-src 'strict-dynamic' 'unsafe-inline' https: http: 'nonce-bkSl8/yxUx9oD9KdzMGPwxOX1mANfl' '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-contextd3bf56aeb9319752b753e192eed18fc5
dateMon, 26 Aug 2024 09:47:36 GMT
serverGoogle Frontend
content-length19602
alt-svch3=":443"; ma=2592000,h3-29=":443"; ma=2592000
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 15,076 referring domains.
This page has 480,126 backlinks.
This page has backlinks from 9,714 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

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. COPY

Most important keywords

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

KeywordResultRecheck
Source93%Check
Android88%Check
Android Open Source87%Check
Open Source86%Check
Android Open Source Project83%Check
Source Project80%Check
Open Source Project80%Check
open source Android operating76%Check
source Android operating system66%Check
Android security65%Check
Show more keywords and terms

Test up to 1.000 webpages of source.android.com with our free plan!

Try For Free
No trial. It's just free!

Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

Contact | Privacy

We need these so the site can function properly

So we can better understand how visitors use our website

So we can serve you tailored ads and promotions