Skyscrapercenter.com - SEO Checker

Overview of the SEO Check
Meta information
75% 
Page quality
60% 
Page structure
66% 
Link structure
96% 
Server
77% 
External factors
100% 
SEO Score
Response time
0.90 s
File size
48.10 kB
Words
258
Media files
22
Number of links
25 internal / 10 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
The Skyscraper Center
The length of the page title is perfect. (208 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)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Server location: United States of America
The language is not specified in the HTML markup.
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=1.0
ahrefs-site-verificationf4a7c1f487f026a914b62841800a2ba00d7895ada65dc7fbe022594f59d86217
csrf-tokeniEEKQuVJQtwvgiZtnt3cMHc609M9TN28alkdllQT

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
There are only 258 words on this page. Good pages should have about 800 words of useful content.
29.1% 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.
7 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 17.22 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=1.0" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
Image SEO
(Somewhat important)
6 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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.

Page structure

H1 heading
(Critically important)
Explore the World of Skyscrapers
Too many H1 headings
Headings
(Important)
Some headings occur twice on the page.

Heading structure

Heading levelContent
H1 Explore the World of Skyscrapers
H1 Iconic Skyscrapers
H1 Learn more about the Council on Vertical Urbanism
H2 Browse by location
H3 Cities
H3 Countries
H4 Building Data
H4 Tallest Buildings
H4 Building Criteria & Standards
H5 View Data
H5 View Data Duplicate text
H5 View Criteria
H5 432 Park Avenue
H5 Ziraat Tower I
H5 Shinsegae International
H5 One Manhattan West
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 10 external links on this page.
LinkAttributesAnchor text
/oauth/loginLogin
https://verticalurbanism.org/New window External Visit VerticalUrbanism.org
https://www.skyscrapercenter.com/IMG-ALT Skyscraper Center Logo
/explore-dataExplore Data
/buildingsBuildings
/citiesCities
/companiesCompanies
/portalSubmit
/criteriaCriteria
/explore-dataIMG-ALT Building Details
/explore-dataView Data
/buildingsIMG-ALT Tallest Buildings
/buildingsText duplicate View Data
/criteriaView Criteria
/building/432-park-avenue/13227IMG-ALT 432 Park Avenue
/building/432-park-avenue/13227Text duplicate 432 Park Avenue
/building/ziraat-tower-i/30597IMG-ALT Ziraat Tower I
/building/ziraat-tower-i/30597Text duplicate Ziraat Tower I
/building/shinsegae-internatio...IMG-ALT Shinsegae International
/building/shinsegae-internatio...Text duplicate Shinsegae International
/building/one-manhattan-west/8898IMG-ALT One Manhattan West
/building/one-manhattan-west/8898Text duplicate One Manhattan West
/citiesExplore City View
/countriesExplore Country View
https://verticalurbanism.org/New window External Learn More
/portalSubmit Data & Photos
/faqFAQ
https://verticalurbanism.org/p...External Privacy Policy
https://x.com/CVUrbanismNew window External IMG-ALT X
https://www.instagram.com/vert...New window External Subdomain IMG-ALT Instagram
https://www.youtube.com/channe...New window External Subdomain IMG-ALT YouTube
https://www.facebook.com/Verti...New window External Subdomain IMG-ALT Facebook
https://www.linkedin.com/compa...New window External Subdomain IMG-ALT LinkedIn
https://mp.weixin.qq.com/s/RLO...New window External Subdomain IMG-ALT WeChat
https://verticalurbanism.org/p...New window External Text duplicate Privacy Policy

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.skyscrapercenter.com/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time of 0.90 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 (48 kB).

HTTP Response Header

NameValue
dateMon, 22 Jun 2026 20:18:51 GMT
content-typetext/html; charset=UTF-8
servercloudflare
varyAccept-Encoding
cache-controlno-cache, private
set-cookie436 Characters
x-frame-optionsSAMEORIGIN
x-xss-protection1; mode=block
x-content-type-optionsnosniff
report-to{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=NR99O8UnbcySXEj7o13y9earVXjxBHZ4skUHnsqMaMhJQNz8RHL70TxpP98sQDbsQsZSm4khaEJ578lxG9LHapi1vXs4NHLMWstl5UhNEujxqGx8wszqjI%2BbOB05QaXajZ1oIr7lNSqrZVY%3D"}]}
cf-cache-statusDYNAMIC
nel{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
speculation-rules"/cdn-cgi/speculation"
content-encodingzstd
cf-raya0fdf1cc29b1ed85-CDG
alt-svch3=":443"; ma=86400
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 140 referring domains.
This page has 735 backlinks.
This page has backlinks from 95 different ip addresses.

Robots.txt

# As a condition of accessing this website, you agree to abide by the following
# content signals:

# (a)  If a Content-Signal = yes, you may collect content for the corresponding
#      use.
# (b)  If a Content-Signal = no, you may not collect content for the
#      corresponding use.
# (c)  If the website operator does not include a Content-Signal for a
#      corresponding use, the website operator neither grants nor restricts
#      permission via Content-Signal with respect to the corresponding use.

# The content signals and their meanings are:

# search:   building a search index and providing search results (e.g., returning
#           hyperlinks and short excerpts from your website's contents). Search does not
#           include providing AI-generated search summaries.
# ai-input: inputting content into one or more AI models (e.g., retrieval
#           augmented generation, grounding, or other real-time taking of content for
#           generative AI search answers).
# ai-train: training or fine-tuning AI models.

# ANY RESTRICTIONS EXPRESSED VIA CONTENT SIGNALS ARE EXPRESS RESERVATIONS OF
# RIGHTS UNDER ARTICLE 4 OF THE EUROPEAN UNION DIRECTIVE 2019/790 ON COPYRIGHT
# AND RELATED RIGHTS IN THE DIGITAL SINGLE MARKET.

# BEGIN Cloudflare Managed content

User-agent: *
Content-Signal: search=yes,ai-train=no
Allow: /

User-agent: Amazonbot
Disallow: /

User-agent: Applebot-Extended
Disallow: /

User-agent: Bytespider
Disallow: /

User-agent: CCBot
Disallow: /

User-agent: ClaudeBot
Disallow: /

User-agent: CloudflareBrowserRenderingCrawler
Disallow: /

User-agent: Google-Extended
Disallow: /

User-agent: GPTBot
Disallow: /

User-agent: meta-externalagent
Disallow: /

# END Cloudflare Managed Content

Search preview

www.skyscrapercenter.com
The Skyscraper Center

Most important keywords

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

KeywordResultRecheck
Skyscrapers59%Check
Explore55%Check
World55%Check
Criteria51%Check
Building51%Check
individual skyscrapers51%Check
Skyscraper Center51%Check
Data49%Check
View47%Check
Tallest47%Check

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