Swift.org - SEO Checker

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Overview of the SEO Check
Meta information
75% 
Page quality
92% 
Page structure
95% 
Link structure
90% 
Server
31% 
External factors
100% 
SEO Score
Response time
0.55 s
File size
33.40 kB
Words
642
Media files
0
Number of links
38 internal / 9 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Swift Programming Language
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)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://swift.org/
The specified canonical link points to a different page.
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
authorApple Inc.
viewportwidth=device-width initial-scale=1
langen
twitter:cardsummary
twitter:site@SwiftLang
twitter:titleSwift.org
twitter:descriptionSwift is a general-purpose programming language built using a modern approach to safety, performance, and software design patterns.
og:site_nameSwift.org
og:imagehttps://swift.org/apple-touch-icon-180x180.png
og:titleSwift.org
og:urlhttps://swift.org
og:descriptionSwift is a general-purpose programming language built using a modern approach to safety, performance, and software design patterns.
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 642 words. That's ok.
27.6% 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.
7 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 17.8 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 6 JavaScript files. This may affect the load time negatively.
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 13 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)
The H1 heading is empty
Headings
(Important)
Some headings do not have any content.

Heading structure

Heading levelContent
H1 Empty heading
H1 Swift is the powerful, flexible, multiplatform programming language.
H2 Fast. Expressive. Safe.
H2 Create using Swift
H3 Cloud Services
H3 Command Line
H3 Embedded
H3 Fast
H3 Expressive
H3 Safe
H3 Interoperable
H3 Adaptable
H3 Open Source
H3 Tools
H3 Community
H3 Governance
H4 iOS apps
H4 Windows apps
H4 Machine Learning & AI
H4 Packages
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 9 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.swift.org/A-TITLE Swift.org
/documentation/Docs
https://www.swift.org/community/Community
https://www.swift.org/packages/Packages
https://www.swift.org/blog/Blog
https://www.swift.org/installInstall (6.2.1)
/documentation/Text duplicate Docs
https://www.swift.org/community/Text duplicate Community
https://www.swift.org/packages/Text duplicate Packages
https://www.swift.org/blog/Text duplicate Blog
https://www.swift.org/installText duplicate Install (6.2.1)
https://www.swift.org/install/Install
/get-started/cloud-servicesCloud Services Run performant services on Linux and deploy to the cloud.
/get-started/command-line-toolsCommand Line Create powerful CLI tools that are fast and memory safe.
/get-started/embeddedEmbedded Develop efficient, reliable firmware for devices like microcontrollers.
/getting-started/swiftui/iOS apps
/blog/swift-everywhere-windows...Windows apps
/blog/mlx-swift/Machine Learning & AI
/getting-started/library-swiftpm/Text duplicate Packages
https://github.com/swiftlangExternal View SwiftLang on GitHub
https://forums.swift.org/External Subdomain Join the forums
https://www.swift.org/Text duplicate A-TITLE Swift.org
/documentation/Text duplicate Docs
https://www.swift.org/community/Text duplicate Community
https://www.swift.org/packages/Text duplicate Packages
https://www.swift.org/blog/Text duplicate Blog
https://www.swift.org/install/Text duplicate Install
https://developer.apple.com/xc...External Subdomain Xcode
/documentation/articles/gettin...Visual Studio Code
/documentation/articles/zero-t...Emacs
/documentation/articles/zero-t...Neovim
https://github.com/swiftlang/s...External Other Editors
https://www.swift.org/community/Overview
/swift-evolution/Swift Evolution
https://www.swift.org/diversity/Diversity
https://www.swift.org/mentorship/Mentorship
/contributing/Contributing
/code-of-conduct/Code of Conduct
/legal/license.htmlLicense
/support/security.htmlSecurity
https://www.apple.com/privacy/...External Subdomain Privacy Policy
https://www.apple.com/legal/pr...External Subdomain Cookies
https://www.swift.org/openapiAPI
https://x.com/swiftlangExternal A-TITLE Follow @SwiftLang on X
https://bsky.app/profile/swift...External A-TITLE Follow @swift.org on Bluesky
https://mastodon.social/@swift...External A-TITLE Follow @swiftLang on Mastodon
https://www.swift.org/atom.xmlA-TITLE Subscribe to Site Updates

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.swift.org/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
No X-Powered HTTP header is sent.
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.
This page loads 6 JavaScript files. This may affect the load time negatively.
This page only loads 1 CSS files. That's ok.
The file size of the HTML document is fine (33 kB).

HTTP Response Header

NameValue
serverApple
dateSat, 15 Nov 2025 12:15:47 GMT
content-typetext/html; charset=UTF-8
content-length34217
x-content-type-optionsnosniff
x-xss-protection1; mode=block
last-modifiedSat, 15 Nov 2025 01:55:19 GMT
accept-rangesbytes
x-frame-optionsSAMEORIGIN
strict-transport-securitymax-age=31536000; includeSubdomains
cache-controlmax-age=180, public
viahttps/1.1 defra3-edge-lx-005.ts.apple.com (acdn/268.16305), https/1.1 defra3-edge-bx-012.ts.apple.com (acdn/268.16305)
x-cachehit-stale, hit-stale
cdnuuid3ec61af0-1714-4d17-af17-e2270fb70a7e-469909078
etag"85a9-6439867fd2fc0"
age1
connectionkeep-alive
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 1,314 referring domains.
This page has 3,799 backlinks.
This page has backlinks from 985 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /builds/

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Search preview

Most important keywords

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

KeywordResultRecheck
Swift70%Check
Swift Programming Language61%Check
using Swift58%Check
language55%Check
programming55%Check
Programming Language55%Check
apps47%Check
Expressive47%Check
Safe47%Check
iOS Apps47%Check
Show more keywords and terms

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