Postgresql.org - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
82% 
Page structure
100% 
Link structure
88% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.37 s
File size
24.60 kB
Words
847
Media files
12
Number of links
77 internal / 14 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
PostgreSQL: The world's most advanced open source database
The length of the page title is perfect. (572 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The official site for PostgreSQL, the world's most advanced open source database
The length of the meta description is perfect. (506 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
Language defined in HTML: en
Server location: United States of America
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)
The domain is no subdomain.
The domain length is good.
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
viewportwidth=device-width, initial-scale=1, shrink-to-fit=no
descriptionThe official site for PostgreSQL, the world's most advanced open source database
theme-color#336791
copyrightThe PostgreSQL Global Development Group
article:authorPostgreSQL Global Development Group
article:published_time2024-08-24T10:39:18.975097
langen
og:urlhttps://www.postgresql.org/
og:typearticle
og:imagehttps://www.postgresql.org/media/img/about/press/elephant.png
og:titlePostgreSQL
og:descriptionThe world's most advanced open source database.
og:site_namePostgreSQL
Content-Typetext/xhtml; charset=UTF-8

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Page quality

Content
(Critically important)
There are 4 text duplicates on this page:
  • Duplicate 1: The PostgreSQL Global Development Group has released an update to all ...
  • Duplicate 2: You can find information about all of the PostgreSQL 17 features and c...
This page contains 847 words. That's ok.
29.6% 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.
The average number of words per sentence of 21.92 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, shrink-to-fit=no" is provided.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 80 characters this one is longer than 70 characters:
"2024-08-08 - postgresql 16.4, 15.8, 14.13, 13.16, 12.20, and 17 beta 3 released!"
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

URLAlt attributeTitle
/media/img/about/press/elephant.pngPostgreSQL Elephant Logo
/media/img/about/press/elephant.pngPostgreSQL Elephant Logo
/media/img/PostgreSQL_Badge1.svgPostgreSQL Community Event
/media/img/PostgreSQL_Badge1.svgPostgreSQL Community Event
/media/img/PostgreSQL_Badge1.svgPostgreSQL Community Event
/media/img/PostgreSQL_Badge1.svgPostgreSQL Community Event
/media/img/PostgreSQL_Badge1.svgPostgreSQL Community Event
/media/img/PostgreSQL_Badge1.svgPostgreSQL Community Event
/media/img/PostgreSQL_Badge1.svgPostgreSQL Community Event
/media/img/PostgreSQL_Badge1.svgPostgreSQL Community Event
/media/img/atpostgresql.png@postgresql
/media/img/git.pngGit

Page structure

H1 heading
(Critically important)
PostgreSQL: The World's Most Advanced Open Source Relational Database
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 PostgreSQL: The World's Most Advanced Open Source Relational Database
H2 New to PostgreSQL?
H2 Latest Releases
H2 Upcoming Events
H2 Mailing Lists
H2 Learning Opportunities Ahead
H2 Latest News
H2 PLANET POSTGRESQL
H2 Seeing unexpected behavior?
H3 PostgreSQL 16.4, 15.8, 14.13, 13.16, 12.20, and 17 Beta 3 Released!
H3 pgAdmin 4 v8.11 Released
H3 CloudNativePG 1.24.0 and 1.23.4 Released!
H3 PostgreSQL JDBC 42.7.4 Released
H3 Pigsty Supplementary APT/YUM Repository with 254 additional PostgreSQL Extensions!
H3 WAL-G 3.0.3 released
H3 How to Utilize PostgreSQL’s JSONB APIs as a Simple JSON Parser for Your Extension
H3 Importing Postgres mailing list archives
H3 If pg_dump is not a backup tool, what is?
H3 Introducing Tembo AI: the simplest way to build AI applications on Postgres
H3 PGConf.dev 2024 - New logical replication features in PostgreSQL 17
H3 Authentication monitoring in PostgreSQL
H3 PostgreSQL Internals Part 4: A Beginner’s Guide to Understanding WAL in PostgreSQL
H3 How to pick the first patch?
H3 Postgres query re-optimisation in practice
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 14 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.postgresql.org/IMG-ALT PostgreSQL Elephant Logo
https://www.postgresql.org/Home
A-TITLE Home
https://www.postgresql.org/about/About
A-TITLE About
/download/Download
A-TITLE Download
https://www.postgresql.org/docs/Documentation
A-TITLE Documentation
/community/Community
A-TITLE Community
/developer/Developers
A-TITLE Developers
/support/Support
A-TITLE Support
/about/donate/Donate
A-TITLE Donate
/account/Your account
A-TITLE Your account
/about/news/postgresql-164-158...PostgreSQL 16.4, 15.8, 14.13, 13.16, 12.20, and 17 Beta 3 Released!
/download/Text duplicate Download
https://www.postgresql.org/about/New to PostgreSQL?
/download/install
https://www.postgresql.org/docs/use
https://www.postgresql.org/docs/official documentation
/community/open source community
/community/engage with the community
https://www.postgresql.org/about/Learn More
A-TITLE Learn More
/about/featurematrix/Feature Matrix
A-TITLE Feature Matrix
/about/governance/Governance
A-TITLE Governance
/about/news/postgresql-164-158...Text duplicate PostgreSQL 16.4, 15.8, 14.13, 13.16, 12.20, and 17 Beta 3 Released!
/download/released an update
/support/security/Subdomain security vulnerability
/docs/release/release notes
/docs/17/release-17.htmlText duplicate release notes
/developer/beta/beta testing process
/support/versioning/stop receiving fixes
/support/versioning/versioning policy
/docs/16/release-16-4.htmlNotes
/docs/15/release-15-8.htmlText duplicate Notes
/docs/14/release-14-13.htmlText duplicate Notes
/docs/13/release-13-16.htmlText duplicate Notes
/docs/12/release-12-20.htmlText duplicate Notes
/download/Text duplicate Download
A-TITLE Download
/support/versioning/Why Upgrade?
A-TITLE Why Upgrade?
/support/security/Security
A-TITLE Security
/about/event/pgday-hyd-2024-2506/PGDay Hyd 2024
/about/event/postgres-ibiza-20...Postgres Ibiza 2024
/about/event/pgday-uk-2024-2505/PGDay UK 2024
/about/event/pg-bootcamp-russi...PG BootCamp Russia 2024
/about/event/pgconf-nyc-2024-2...PGConf NYC 2024
/about/event/pgday-israel-2024...PGDay Israel 2024
/about/event/pgconfeu-2024-2507/PGConf.EU 2024
/about/policies/conferences/community event guidelines
/about/events/Check Schedule
A-TITLE Check Schedule
/account/events/new/Add Your Event
A-TITLE Add Your Event
https://lists.postgresql.org/New window External Subdomain mailing lists
/account/PostgreSQL community account
/account/Signing up
/community/global PostgreSQL community
https://lists.postgresql.org/External Subdomain Subscribe
A-TITLE Subscribe
https://www.postgresql.org/list/Subdomain View Archives
A-TITLE View Archives
/about/events/Browse Events
A-TITLE Browse Events
/community/user-groups/Browse User Groups
A-TITLE Browse User Groups
/about/news/postgresql-164-158...Text duplicate PostgreSQL 16.4, 15.8, 14.13, 13.16, 12.20, and 17 Beta 3 Released!
/download/Text duplicate released an update
/support/security/Subdomain Text duplicate security vulnerability
/docs/release/Text duplicate release notes
/docs/17/release-17.htmlText duplicate release notes
/developer/beta/Text duplicate beta testing process
/about/news/postgresql-164-158...Release Announcement
/docs/release/Release Notes
/docs/17/release-17.htmlPostgreSQL 17 Beta Release Notes
/developer/beta/Beta Testing Information
/support/versioning/Versioning Policy
/download/Text duplicate Download
/about/newsarchive/Browse Archives
A-TITLE Archives
/account/news/new/Submit News
A-TITLE Submit News
/about/news/pgadmin-4-v811-rel...pgAdmin 4 v8.11 Released
/about/news/cloudnativepg-1240...CloudNativePG 1.24.0 and 1.23.4 Released!
/about/news/postgresql-jdbc-42...PostgreSQL JDBC 42.7.4 Released
/about/news/pigsty-supplementa...Pigsty Supplementary APT/YUM Repository with 254 additional PostgreSQL Extensions!
/about/news/wal-g-303-released...WAL-G 3.0.3 released
https://postgr.es/p/6C3External How to Utilize PostgreSQL’s JSONB APIs as a Simple JSON Parser for Your Extension
https://postgr.es/p/6C1External Importing Postgres mailing list archives
https://postgr.es/p/6C2External If pg_dump is not a backup tool, what is?
https://postgr.es/p/6B_External Introducing Tembo AI: the simplest way to build AI applications on Postgres
https://postgr.es/p/6B-External PGConf.dev 2024 - New logical replication features in PostgreSQL 17
https://postgr.es/p/6BXExternal Authentication monitoring in PostgreSQL
https://postgr.es/p/6BYExternal PostgreSQL Internals Part 4: A Beginner’s Guide to Understanding WAL in PostgreSQL
https://postgr.es/p/6BWExternal How to pick the first patch?
https://postgr.es/p/6BRExternal Postgres query re-optimisation in practice
https://planet.postgresql.org/New window External Subdomain Text duplicate Browse Archives
A-TITLE Browse Archives
/account/submitbug/Submit a Bug
A-TITLE Submit a Bug
https://twitter.com/postgresqlExternal IMG-ALT @postgresql
https://git.postgresql.org/git...External Subdomain IMG-ALT Git
/about/policies/Policies
/about/policies/coc/Code of Conduct
https://www.postgresql.org/about/About PostgreSQL
/about/contact/Contact

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.postgresql.org/"
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 is excellent with 0.37 seconds.
The file size of the HTML document is fine (25 kB).

HTTP Response Header

NameValue
servernginx
dateSat, 24 Aug 2024 10:39:19 GMT
content-typetext/html; charset=utf-8
x-frame-optionsDENY
content-security-policydefault-src 'self' ; img-src * data: ; script-src 'unsafe-eval' 'self' www.google-analytics.com ssl.google-analytics.com www.googletagmanager.com tagmanager.google.com data: ; connect-src 'self' www.google-analytics.com ssl.google-analytics.com ; media-src 'self' ; style-src 'self' fonts.googleapis.com tagmanager.google.com ; font-src 'self' fonts.gstatic.com data: ; frame-ancestors 'none' ; report-uri https://csp-report.postgresql.org/
x-xss-protection1; mode=block
content-encodinggzip
varyAccept-Encoding
x-varnish34944164 36444803
age166
via1.1 varnish (Varnish/6.0)
strict-transport-securitymax-age=31536000
accept-rangesbytes
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 83,068 referring domains.
This page has 13,923,081 backlinks.
This page has backlinks from 44,677 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: /admin/
Disallow: /account/
Disallow: /docs/devel/
Disallow: /list/
Disallow: /search/
Disallow: /message-id/raw/
Disallow: /message-id/flat/
Disallow: /message-id/resend/
Disallow: /message-id/mbox/

Sitemap: https://www.postgresql.org/sitemap.xml

Similar sites

Search preview

www.postgresql.org
PostgreSQL: The world's most advanced open source database
The official site for PostgreSQL, the world's most advanced open source database

Most important keywords

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

KeywordResultRecheck
PostgreSQL92%Check
World73%Check
Advanced73%Check
Open Source73%Check
Advanced Open Source73%Check
advanced open source database73%Check
Database72%Check
PostgreSQL 1768%Check
Advanced Open Source Relational65%Check
Open Source Relational Database64%Check
Show more keywords and terms

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