Swimm.io - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
83% 
Page structure
100% 
Link structure
81% 
Server
78% 
External factors
100% 
SEO Score
Response time
1.12 s
File size
266.30 kB
Words
520
Media files
16
Number of links
58 internal / 17 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Swimm: AI for mainframe code modernization
The length of the page title is perfect. (406 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Swimm is an AI code knowledge platform that enables enterprises and governments to accelerate mainframe modernization intiatives.
The length of the meta description is perfect. (823 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://swimm.io/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
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
robotsindex, follow, max-image-preview:large
descriptionSwimm is an AI code knowledge platform that enables enterprises and governments to accelerate mainframe modernization intiatives.
msapplication-TileImagehttps://swimm.io/wp-content/uploads/2023/03/cropped-favicon-270x270.png
generatorWP Rocket 3.19.1.2
article:modified_time2025-06-17T11:32:55+00:00
langen-us
twitter:cardsummary_large_image
og:localeen_US
og:typewebsite
og:titleSwimm: AI for mainframe code modernization
og:descriptionSwimm is an AI code knowledge platform that enables enterprises and governments to accelerate mainframe modernization intiatives.
og:urlhttps://swimm.io/
og:site_nameSwimm
og:imagehttps://swimm.io/wp-content/uploads/2025/06/Thumbnail_1920x1080.jpg
og:image:width1920
og:image:height1080
og:image:typeimage/jpeg
og:logohttps://swimm.io/wp-content/uploads/2023/08/squarelogo.png
charsetUTF-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
This page contains 520 words. That's ok.
23.5% 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.
8 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 13.31 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 10 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

URLAlt attributeTitle
data:[...] Base64Animation thumbnail
data:[...] Base64Recursion logo
data:[...] Base64Akamai logo
data:[...] Base64PPG logo
data:[...] Base64Merck logo
data:[...] Base64Optum logo
data:[...] Base64Fifth Third Bank logo
data:[...] Base64Betterhelp logo
data:[...] Base64Understand dependencies animation
data:[...] Base64Createspecs animation
data:[...] Base64Creative image
data:[...] Base64Gartner badge
data:[...] Base64G2 logo
data:[...] Base64AICPA SOC logo
Video URLWidthHeight
...loads/2025/05/1-Map-your-system-Desk.mp4
...ads/2025/05/1-Map-your-System-Tablet.mp4

Page structure

H1 heading
(Critically important)
Extract business rules from mainframe code
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Extract business rules from mainframe code
H2 Control your mainframe future
H2 Mainframe code unlocked like never before
H2 Clarity for modernization teams
H2 Built for trust
H2 Enterprise-grade. Secure by design.
H2 Proven at scale
H2 Untangle your mainframe code with Swimm
H3 Map of your system
H3 Understand dependencies
H3 Create specs
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
There are 17 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://swimm.io/Anchor Skip to content
/resources/downloadables/closi...New white paper: Closing the COBOL knowledge gap
https://swimm.io/A-TITLE Swimm
https://swimm.io/how-it-worksHow it worksSwimm platform overview
https://swimm.io/documentDocumentsDeveloper 1st documentation
https://swimm.io/integrationsIntegrationsConnect your existing stack
/modernize-maintain-legacy-codeLegacy codeModernize & maintain
/enterprise-documentation-plat...Documentation platformDocumentation for enterprise
/technology-service-providersTechnology service providersSpeed up code discovery
https://swimm.io/blogBlogLatest posts & updates
https://swimm.io/resource-centerResource center
https://swimm.io/resource-centerGuidesWhitepapers, eBooks & more
https://swimm.io/resource-centerCustomer storiesHear from devs using Swimm
https://swimm.io/resource-centerWebinarsOn-demand videos
https://swimm.io/learnLearning centerExpand your knowledge
https://swimm.io/enterpriseEnterprise
https://swimm.io/pricingPricing
https://swimm.io/how-it-worksText duplicate How it worksSwimm platform overview
https://swimm.io/documentText duplicate DocumentsDeveloper 1st documentation
https://swimm.io/integrationsText duplicate IntegrationsConnect your existing stack
/modernize-maintain-legacy-codeText duplicate Legacy codeModernize & maintain
/enterprise-documentation-plat...Text duplicate Documentation platformDocumentation for enterprise
/technology-service-providersText duplicate Technology service providersSpeed up code discovery
https://swimm.io/blogText duplicate BlogLatest posts & updates
https://swimm.io/resource-centerText duplicate Resource center
https://swimm.io/resource-centerText duplicate GuidesWhitepapers, eBooks & more
https://swimm.io/resource-centerText duplicate Customer storiesHear from devs using Swimm
https://swimm.io/resource-centerText duplicate WebinarsOn-demand videos
https://swimm.io/learnText duplicate Learning centerExpand your knowledge
https://swimm.io/enterpriseText duplicate Enterprise
https://swimm.io/pricingText duplicate Pricing
https://swimm.io/partner-portalPartner Portal
https://swimm.io/partner-portalText duplicate Partner Portal
https://app.swimm.io/loginExternal Subdomain Log in
https://swimm.io/request-demo/Get a demo
https://swimm.io/request-demo/Text duplicate Get a demo
https://swimm.io/request-demoText duplicate Get a demo
https://www.recursion.com/New window External Subdomain IMG-ALT Recursion logo
https://www.akamai.com/New window External Subdomain IMG-ALT Akamai logo
https://www.ppg.com/en-USNew window External Subdomain IMG-ALT PPG logo
https://www.merck.com/New window External Subdomain IMG-ALT Merck logo
https://www.optum.com/en/New window External Subdomain IMG-ALT Optum logo
https://www.53.com/content/fif...New window External Subdomain IMG-ALT Fifth Third Bank logo
https://www.betterhelp.com/New window External Subdomain IMG-ALT Betterhelp logo
/legal/service-organization-co...Request SOC2 report
https://swimm.io/request-demoText duplicate Get a demo
https://swimm.io/Text duplicate A-TITLE Swimm
https://swimm.io/request-demoBook a demo
https://github.com/apps/swimm-...New window External Our GitHub app
https://marketplace.visualstud...New window External Subdomain Our VS Code plugin
https://plugins.jetbrains.com/...New window External Subdomain Our JetBrains plugin
https://swimm.io/how-it-worksHow it works
https://swimm.io/documentDocument
https://swimm.io/integrationsIntegrations
https://swimm.io/blogBlog
https://swimm.io/learnLearning center
https://docs.swimm.io/New window External Subdomain Doc site
/blog?case-studiesCustomer stories
/modernize-maintain-legacy-codeLegacy code
/enterprise-documentation-plat...Documentation platform
https://swimm.io/ai-readyAI-ready code
/technology-service-providersTechnology service providers
https://swimm.io/partner-portalPartner portal
https://swimm.io/pricingText duplicate Pricing
https://swimm.io/aboutAbout us
https://swimm.io/careersCareers
https://swimm.io/contact-usContact us
/legal/service-organization-co...SOC2
/legal/terms-of-serviceWebsite Terms of Use
/legal/privacy-policyPrivacy policy
https://github.com/swimmioNew window External No Text
https://twitter.com/swimm_ioNew window External No Text
https://www.linkedin.com/compa...New window External Subdomain No Text
https://www.tiktok.com/@swimmf...New window External Subdomain No Text
https://www.youtube.com/channe...New window External Subdomain No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://swimm.io/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is slow (1.12 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is fine (266 kB).

HTTP Response Header

NameValue
dateTue, 22 Jul 2025 11:20:09 GMT
content-typetext/html; charset=UTF-8
varyAccept-Encoding
link<https://swimm.io/wp-json/>; rel="https://api.w.org/"
x-powered-byWP Engine
x-cacheableSHORT
cache-controlmax-age=600, must-revalidate
x-cacheHIT: 17
x-cache-groupnormal
cf-cache-statusDYNAMIC
set-cookie274 Characters
servercloudflare
cf-ray96328c12281af3b3-CDG
content-encodingbr
alt-svch3=":443"; ma=86400
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 268 referring domains.
This page has 907 backlinks.
This page has backlinks from 217 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# START YOAST BLOCK
# ---------------------------
User-agent: *
Disallow: /tag/

Sitemap: https://swimm.io/sitemap_index.xml
# ---------------------------
# END YOAST BLOCK

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Search preview

swimm.io
Swimm: AI for mainframe code modernization
Swimm is an AI code knowledge platform that enables enterprises and governments to accelerate mainframe modernization intiatives.

Most important keywords

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

KeywordResultRecheck
code77%Check
mainframe code77%Check
Swimm75%Check
mainframe75%Check
mainframe code modernization71%Check
modern62%Check
modernization61%Check
legacy code58%Check
business50%Check
enterprise50%Check
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