Stackinfra.com - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
83% 
Page structure
58% 
Link structure
25% 
Server
88% 
External factors
100% 
SEO Score
Response time
0.47 s
File size
77.30 kB
Words
805
Media files
20
Number of links
138 internal / 4 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Hyperscale Data Centers, Colocation | STACK Infrastructure
The length of the page title is perfect. (538 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
STACK is the digital infrastructure partner to the world’s most innovative companies and a leading global developer and operator of data centers.
The length of the meta description is perfect. (887 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.stackinfra.com/
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, maximum-scale=5, initial-scale=1, viewport-fit=cover
apple-mobile-web-app-capableyes
apple-touch-fullscreenyes
mobile-web-app-capableyes
apple-mobile-web-app-status-bar-styleblack
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionSTACK is the digital infrastructure partner to the world’s most innovative companies and a leading global developer and operator of data centers.
article:modified_time2025-06-10T17:13:39+00:00
langen-us
twitter:cardsummary_large_image
og:localeen_US
og:typewebsite
og:titleHyperscale Data Centers, Colocation | STACK Infrastructure
og:descriptionSTACK is the digital infrastructure partner to the world’s most innovative companies and a leading global developer and operator of data centers.
og:urlhttps://www.stackinfra.com/
og:site_nameSTACK Infrastructure
og:imagehttps://www.stackinfra.com/wp-content/uploads/2025/05/STACK-Virgina-Website-Preview.jpg
og:image:width1024
og:image:height683
og:image:typeimage/jpeg
X-UA-CompatibleIE=edge
charsetUTF-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
This page contains 805 words. That's ok.
21.9% of the text are stop words.
Words from the H1 heading are used in the page content.
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 23.67 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, maximum-scale=5, initial-scale=1, viewport-fit=cover" 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 16 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
/wp-content/uploads/2025/01/Logo2-1.webpStack Infrastructure
/wp-content/uploads/2025/01/image_43-1.webpimage_1
...content/uploads/2025/01/image_136-1.webpimage_136
...content/uploads/2025/01/image_169-1.webpimage_169
...content/uploads/2025/01/image_220-1.webpimage_220
/wp-content/uploads/2025/01/Speed-dt.jpgSpeed-dt
/wp-content/uploads/2025/01/Scale-dt.jpgScale-dt
...content/uploads/2025/01/certainty-dt.jpgcertainty-dt
...nt/uploads/2025/01/responsibility-dt.jpgresponsibility-dt
/wp-content/uploads/2025/01/Speed-dt.jpgSpeed-dt
/wp-content/uploads/2025/01/Scale-dt.jpgScale-dt
...content/uploads/2025/01/certainty-dt.jpgcertainty-dt
...nt/uploads/2025/01/responsibility-dt.jpgresponsibility-dt
data:[...] Base64Sustainability - Resp New Image
data:[...] Base64Social Impact - Home Page HOTS
data:[...] Base64APAC_Marathon Event
data:[...] Base64Health and Safety - Resp New Image 2
data:[...] Base64STACK-Virgina-Web-16
data:[...] Base64Stack Infrastructure
data:[...] Base64Stack Infrastructure

Page structure

H1 heading
(Critically important)
Speed. Scale. Certainty. Responsibility.
The H1 heading is perfect.
Headings
(Important)
Some headings occur twice on the page.
There are 48 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H1 Speed. Scale. Certainty. Responsibility.
H2 Client-Driven Strategy
H2 Future-Proof by Design
H2 Responsibility
H2 Certainty to Support Your Growth
H2 Global Reach, Local Expertise
H2 Why STACK
H2 Leading with Responsibility
H2 Connect with us.
H3 Americas Open Americas dropdown Close Americas dropdown
H3 Asia Pacific Open Asia Pacific dropdown Close Asia Pacific dropdown
H3 EMEA Open EMEA dropdown Close EMEA dropdown
H3 Atlanta
H3 Calgary
H3 Chicago
H3 Dallas-Fort Worth
H3 New Albany
H3 Northern Virginia
H3 Phoenix
H3 Portland
H3 Silicon Valley
H3 Toronto
H3 Canberra
H3 Johor Bahru
H3 Melbourne
H3 Osaka
H3 Seoul
H3 Sydney
H3 Tokyo
H3 Copenhagen
H3 Frankfurt
H3 Geneva
H3 Milan
H3 Oslo
H3 Stockholm
H3 Zurich
H3 Speed
H3 Scale
H3 Certainty
H3 Responsibility Duplicate text
H3 Sustainability
H3 Stewardship
H3 People and Culture
H3 Health & Safety
H4 Sustainability Duplicate text
H4 Stewardship Duplicate text
H4 People and Culture Duplicate text
H4 Health & Safety Duplicate text
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 4 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.stackinfra.com/Anchor Skip to main content
https://www.stackinfra.com/Subdomain IMG-ALT Stack Infrastructure
/locationsLocations
/locations/americas/Subdomain Americas
/locations/americas/atlanta/Subdomain Atlanta
/locations/americas/calgary/Subdomain Calgary
/locations/americas/chicago/Subdomain Chicago
/locations/americas/dallas-for...Subdomain Dallas-Fort Worth
/locations/americas/new-albany/Subdomain New Albany
/locations/americas/northern-v...Subdomain Northern Virginia
/locations/americas/phoenix/Subdomain Phoenix
/locations/americas/portland/Subdomain Portland
/locations/americas/silicon-va...Subdomain Silicon Valley
/locations/americas/toronto/Subdomain Toronto
/locations/asia-pacific/Subdomain Asia Pacific
/locations/asia-pacific/canberra/Subdomain Canberra
/locations/asia-pacific/johor-...Subdomain Johor Bahru
/locations/asia-pacific/melbou...Subdomain Melbourne
/locations/asia-pacific/osaka/Subdomain Osaka
/locations/asia-pacific/seoul/Subdomain Seoul
/locations/asia-pacific/sydney/Subdomain Sydney
/locations/asia-pacific/tokyo/Subdomain Tokyo
/locations/emea/Subdomain EMEA
/locations/emea/copenhagen/Subdomain Copenhagen
/locations/emea/frankfurt/Subdomain Frankfurt
/locations/emea/geneva/Subdomain Geneva
/locations/emea/milan/Subdomain Milan
/locations/emea/oslo/Subdomain Oslo
/locations/emea/stockholm/Subdomain Stockholm
/locations/emea/zurich/Subdomain Zurich
/why-stack/Subdomain Why STACK
/why-stack/Subdomain Learn more
/why-stack/Speed
/why-stack/Scale
/why-stack/Certainty
/responsibility/Subdomain Responsibility
/responsibility/Subdomain Text duplicate Learn more
/responsibility/Sustainability
/responsibility/Stewardship
/responsibility/People & Culture
/responsibility/Health & Safety
/resources/Subdomain Resources
/resources/Subdomain View all Resources
/resources?type=collateralCollateral
/resources?type=thought-leader...Thought Leadership
/resources?type=videoVideo
/resources?type=otherOther
https://www.stackinfra.com/about/Subdomain About
https://www.stackinfra.com/about/Subdomain Text duplicate Learn more
/about/meet-the-team/Subdomain Meet The Team
/about/news-press/Subdomain News & Press
/about/careers/Subdomain Careers
/about/contact/Subdomain Contact
/client-portal/Subdomain Client Portal
/client-portalSubdomain CLIENT PORTAL
/locations/americas/atlanta/Subdomain VIEW LOCATION
/locations/americas/calgary/Subdomain Text duplicate VIEW LOCATION
/locations/americas/chicago/Subdomain Text duplicate VIEW LOCATION
/locations/americas/dallas-for...Subdomain Text duplicate VIEW LOCATION
/locations/americas/new-albany/Subdomain Text duplicate VIEW LOCATION
/locations/americas/northern-v...Subdomain Text duplicate VIEW LOCATION
/locations/americas/phoenix/Subdomain Text duplicate VIEW LOCATION
/locations/americas/portland/Subdomain Text duplicate VIEW LOCATION
/locations/americas/silicon-va...Subdomain Text duplicate VIEW LOCATION
/locations/americas/toronto/Subdomain Text duplicate VIEW LOCATION
/locations/asia-pacific/canberra/Subdomain Text duplicate VIEW LOCATION
/locations/asia-pacific/johor-...Subdomain Text duplicate VIEW LOCATION
/locations/asia-pacific/melbou...Subdomain Text duplicate VIEW LOCATION
/locations/asia-pacific/osaka/Subdomain Text duplicate VIEW LOCATION
/locations/asia-pacific/seoul/Subdomain Text duplicate VIEW LOCATION
/locations/asia-pacific/sydney/Subdomain Text duplicate VIEW LOCATION
/locations/asia-pacific/tokyo/Subdomain Text duplicate VIEW LOCATION
/locations/emea/copenhagen/Subdomain Text duplicate VIEW LOCATION
/locations/emea/frankfurt/Subdomain Text duplicate VIEW LOCATION
/locations/emea/geneva/Subdomain Text duplicate VIEW LOCATION
/locations/emea/milan/Subdomain Text duplicate VIEW LOCATION
/locations/emea/oslo/Subdomain Text duplicate VIEW LOCATION
/locations/emea/stockholm/Subdomain Text duplicate VIEW LOCATION
/locations/emea/zurich/Subdomain Text duplicate VIEW LOCATION
/responsibilityText duplicate Sustainability
/responsibilitySocial Impact
/responsibilityGovernance
/responsibilityText duplicate Health & Safety
/take-a-tourLet’s Talk
https://www.stackinfra.com/Subdomain Text duplicate IMG-ALT Stack Infrastructure
/locations/americas/Subdomain Text duplicate Americas
/locations/americas/atlanta/Subdomain Text duplicate Atlanta
/locations/americas/calgary/Subdomain Text duplicate Calgary
/locations/americas/chicago/Subdomain Text duplicate Chicago
/locations/americas/dallas-for...Subdomain Text duplicate Dallas-Fort Worth
/locations/americas/new-albany/Subdomain Text duplicate New Albany
/locations/americas/northern-v...Subdomain Text duplicate Northern Virginia
/locations/americas/phoenix/Subdomain Text duplicate Phoenix
/locations/americas/portland/Subdomain Text duplicate Portland
/locations/americas/silicon-va...Subdomain Text duplicate Silicon Valley
/locations/americas/toronto/Subdomain Text duplicate Toronto
/locations/asia-pacific/Subdomain Text duplicate Asia Pacific
/locations/asia-pacific/canberra/Subdomain Text duplicate Canberra
/locations/asia-pacific/johor-...Subdomain Text duplicate Johor Bahru
/locations/asia-pacific/melbou...Subdomain Text duplicate Melbourne
/locations/asia-pacific/osaka/Subdomain Text duplicate Osaka
/locations/asia-pacific/seoul/Subdomain Text duplicate Seoul
/locations/asia-pacific/sydney/Subdomain Text duplicate Sydney
/locations/asia-pacific/tokyo/Subdomain Text duplicate Tokyo
/locations/emea/Subdomain Text duplicate EMEA
/locations/emea/copenhagen/Subdomain Text duplicate Copenhagen
/locations/emea/frankfurt/Subdomain Text duplicate Frankfurt
/locations/emea/geneva/Subdomain Text duplicate Geneva
/locations/emea/milan/Subdomain Text duplicate Milan
/locations/emea/oslo/Subdomain Text duplicate Oslo
/locations/emea/stockholm/Subdomain Text duplicate Stockholm
/locations/emea/zurich/Subdomain Text duplicate Zurich
/why-stack/Subdomain Text duplicate Why STACK
/why-stack/Text duplicate Speed
/why-stack/Text duplicate Scale
/why-stack/Text duplicate Certainty
/responsibility/Subdomain Text duplicate Responsibility
/responsibility/Text duplicate Sustainability
/responsibility/Text duplicate Stewardship
/responsibility/Text duplicate People & Culture
/responsibility/Text duplicate Health & Safety
/resources/Subdomain Text duplicate Resources
/resources?type=collateralText duplicate Collateral
/resources?type=thought-leader...Text duplicate Thought Leadership
/resources?type=videoVideos
/resources?type=otherText duplicate Other
https://www.stackinfra.com/about/Subdomain Text duplicate About
/about/meet-the-team/Subdomain Text duplicate Meet The Team
/about/news-press/Subdomain Text duplicate News & Press
/about/careers/Subdomain Text duplicate Careers
/about/contact/Subdomain Text duplicate Contact
/take-a-tourSubdomain CONNECT WITH US
https://www.linkedin.com/compa...New window External Subdomain linkedIn
https://www.youtube.com/channe...New window External Subdomain youtube
https://www.stackinfra.com/Subdomain Text duplicate IMG-ALT Stack Infrastructure
/take-a-tourSubdomain Text duplicate CONNECT WITH US
https://www.linkedin.com/compa...New window External Subdomain Text duplicate linkedIn
https://www.youtube.com/channe...New window External Subdomain Text duplicate youtube
/terms-of-useTerms of Use
/sitemapSite Map
/codeofconductCode of Conduct
/privacy-policyPrivacy Policy

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.stackinfra.com/"
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 of 0.47 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 (77 kB).

HTTP Response Header

NameValue
dateFri, 27 Jun 2025 22:56:26 GMT
content-typetext/html; charset=UTF-8
varyAccept-Encoding
x-frame-optionsSAMEORIGIN
x-pingbackhttps://www.stackinfra.com/xmlrpc.php
x-xss-protection1; mode=block
x-content-type-optionsnosniff
x-permitted-cross-domain-policiesnone
strict-transport-securitymax-age=63072000; includeSubDomains; preload
referrer-policyno-referrer-when-downgrade
feature-policysync-xhr 'self'
link<https://www.stackinfra.com/>; rel=shortlink
x-powered-byWP Engine
x-cacheableYES:31536000.000
cache-controlmax-age=31536000, must-revalidate
x-cacheMISS
x-cache-groupnormal
content-security-policydefault-src 'self'; script-src 'unsafe-inline' https: 'nonce-oNlhcyWi5r' 'strict-dynamic'; style-src 'unsafe-inline' https:; connect-src 'self' wss: https:; img-src 'self' data: https:; font-src 'self' data: https:; frame-src 'self' https:; object-src 'none'; base-uri 'self';
content-encodingbr
last-modifiedMon, 23 Jun 2025 18:37:06 GMT
cf-cache-statusHIT
age361049
set-cookie284 Characters
servercloudflare
cf-ray956889a408d2f45b-CDG
alt-svch3=":443"; ma=86400
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 207 referring domains.
This page has 819 backlinks.
This page has backlinks from 176 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# This virtual robots.txt file was created by the Virtual Robots.txt WordPress plugin: https://www.wordpress.org/plugins/pc-robotstxt/
User-agent: *
Disallow: /wp-admin/
Sitemap: https://www.stackinfra.com/sitemap_index.xml
Crawl-delay: 10

Similar sites

Search preview

www.stackinfra.com
Hyperscale Data Centers, Colocation | STACK Infrastructure
STACK is the digital infrastructure partner to the world’s most innovative companies and a leading global developer and operator of data centers.

Most important keywords

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

KeywordResultRecheck
STACK76%Check
Scale70%Check
STACK Infrastructure68%Check
data59%Check
infrastructure58%Check
Responsibility58%Check
centers58%Check
Certainty58%Check
Speed58%Check
Data Centers58%Check
Show more keywords and terms

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Cookie Policy

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