Sei.cmu.edu - SEO Checker

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Overview of the SEO Check
Meta information
77% 
Page quality
76% 
Page structure
58% 
Link structure
73% 
Server
0% 
External factors
100% 
SEO Score
Response time
1.16 s
File size
60.30 kB
Words
917
Media files
28
Number of links
20 internal / 72 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Software Engineering Institute
The length of the page title is perfect. (270 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The SEI is the leader in software and cybersecurity research. As an FFRDC sponsored by the U.S. Department of Defense, we work to solve the nation's toughest problems.
The meta description is too long: 1062 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.sei.cmu.edu/
There is a valid canonical link 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)
No favicon is linked in the HTML code.

Meta tags

NameValue
DescriptionThe SEI is the leader in software and cybersecurity research. As an FFRDC sponsored by the U.S. Department of Defense, we work to solve the nation's toughest problems.
GeneratorCommonSpot Build 10.9.1.579
viewportwidth=device-width, initial-scale=1, shrink-to-fit=no
sei_titleSoftware Engineering Institute
published_at2025-04-08
sei_date_published2025-04-08
sei_year_published2025
siteDomainwww.sei.cmu.edu
sei_site_priority3
st:typesei_page
langen
og:urlhttps://www.sei.cmu.edu/index.cfm
og:titleSoftware Engineering Institute
og:image:altSoftware Engineering Institute
og:typewebsite
og:descriptionThe SEI is the leader in software and cybersecurity research. As an FFRDC sponsored by the U.S. Department of Defense, we work to solve the nation's toughest problems.
og:image:width1400px
og:image:height500px
charsetUTF-8

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Page quality

Content
(Critically important)
This page contains 917 words. That's ok.
30.6% 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.
18 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 21.24 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 16 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1, shrink-to-fit=no" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 18 tags for this page.
Image SEO
(Somewhat important)
10 images have no alt attribute. The content of alt attributes is used by search engines.
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
...mages/images/YIR2024_Main-hero_1595.webp2024 Year in Review Showcases SEI’s Impact on National Security
...ges/images/YIR2024_Main-overlay_1595.png2024 Year in Review Showcases SEI’s Impact on National Security
...es/AFCEA_News-rotator-1400x500_1595.webpNew Paper Recommends Secure by Design Standard
...m-personnel-flowchart-1400x500_1595.webpSecure Software by Design Event Opens Call for Participation and Registration
...-images/images/AISIRT_1400x500_1595.webpNew Research Supports SEI AISIRT Mission to Secure Artificial Intelligence
...es/Pentagon2_1400x500_500478_2_1595.webpNew DoD Memo Accelerates Software Acquisition Modernization
...er-thumb-1_white-papers_180x180_4621.jpgKubernetes (k8s) in the Air Gap
...er-thumb-2_white-papers_180x180_4621.jpgCenter for Calibrated Trust Measurement and Evaluation (CaTE)—Guidebook for the Development and TEVV of LAWS to Promote Trustworthiness
...er-thumb-3_white-papers_180x180_4621.jpgReference Architecture for Assuring Ethical Conduct in LAWS
...han_111_240327.2e16d0ba.fill-150x150.jpgHeadshot of Jonathan Frederick.
...webinar-thumb-1_webinar_180x180_4621.jpgIdentifying and Mitigating Cyber Risk
...thumbnail_large/podcast-thumb-1_4621.jpgUpdating Risk Assessment in the CERT Secure Coding Standard
.../Topic-Advanced_Computing-hero_2134.webpNo alt attribute provided
..._Engineeering-380-380_503554_2_2134.webpNo alt attribute provided
...ngineering-hero-thumb_500494_3_2134.webpNo alt attribute provided
...ybersecurity_Engineering-thumb_2134.webpNo alt attribute provided
...e-acquisition_380x380_500485_2_2134.webpNo alt attribute provided
/sei-images/images/8808422-edit_2134.webpNo alt attribute provided
...-projects_all_projects_560x560_2134.webpAll Work
...2024_Main-news.2e16d0ba.fill-350x200.jpg2024 Year in Review Showcases SEI’s Impact on National Security
...s-hero-960x540.2e16d0ba.fill-350x200.jpgNew Paper Recommends Secure by Design Standard
...owchart_960x54.2e16d0ba.fill-350x200.jpgSecure Software by Design Event Opens Call for Participation and Registration
...AISIRT_960x540.113314a5.fill-350x200.jpgNew Research Supports SEI AISIRT Mission to Secure Artificial Intelligence
..._landing_page_380x380_503604_2_2134.webpNo alt attribute provided
..._landing_page_380x380_503607_2_2134.webpNo alt attribute provided
..._landing_page_380x380_503610_2_2134.webpNo alt attribute provided
..._landing_page_380x380_503613_2_2134.webpNo alt attribute provided
...eers-thumb_landing-page_380x380_2159.jpgA group of smiling SEI employees.

Page structure

H1 heading
(Critically important)
Software Engineering Institute
The H1 heading is perfect.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 48 headings on the page. The amount of headings should be in a more proper relation to the amount of text.
Some headings do not have any content.

Heading structure

Heading levelContent
H1 Software Engineering Institute
H2 2024 Year in Review Showcases SEI’s Impact on National Security
H2 New Paper Recommends Secure by Design Standard
H2 Secure Software by Design Event Opens Call for Participation and Registration
H2 New Research Supports SEI AISIRT Mission to Secure Artificial Intelligence
H2 New DoD Memo Accelerates Software Acquisition Modernization
H2 The SEI: The Leader in Software Engineering, Cybersecurity, and AI Engineering
H2 Latest Publications
H2 From Our Experts
H2 Our Work
H2 News
H2 Events
H2 Education and Outreach
H2 Work With Us
H2 Careers
H4 Kubernetes (k8s) in the Air Gap
H4 Center for Calibrated Trust Measurement and Evaluation (CaTE)—Guidebook for the Development and TEVV of LAWS to Promote Trustworthiness
H4 Reference Architecture for Assuring Ethical Conduct in LAWS
H4 10 Things Organizations Should Know About AI Workforce Development
H4 Identifying and Mitigating Cyber Risk
H4 Updating Risk Assessment in the CERT Secure Coding Standard
H4 2024 Year in Review Showcases SEI’s Impact on National Security Duplicate text
H4 New Paper Recommends Secure by Design Standard Duplicate text
H4 Secure Software by Design Event Opens Call for Participation and Registration Duplicate text
H4 New Research Supports SEI AISIRT Mission to Secure Artificial Intelligence Duplicate text
H4 Insider Threat Analyst
H4 A New Performance Zone for Software for National Security
H4 Foundations of Incident Management
H5 Matthew Heckathorn, Maxwell Trdina
H5 Andrew O. Mellinger, Tyler Brooks, Christopher Fairfax, Daniel Justice
H5 Empty heading
H5 Jonathan Frederick, Dominic A. Ross, Eric Keylor, Cole Frank, Intae Nam
H5 Matthew J. Butkovic
H5 David Svoboda, Joe Sible, Robert Schiela
H6 News Duplicate text
H6 News Duplicate text
H6 News Duplicate text
H6 News Duplicate text
H6 News Duplicate text
H6 April 15, 2025 • White Paper
H6 April 11, 2025 • White Paper
H6 April 11, 2025 • White Paper Duplicate text
H6 April 28, 2025 • Blog Post
H6 April 28, 2025 • Webcast
H6 April 23, 2025 • Podcast
H6 May 5, 2025 • Article
H6 April 17, 2025 • Article
H6 April 10, 2025 • Press Release
H6 March 26, 2025 • Article
H6 Empty heading
H6 Empty heading
H6 Empty heading
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 too many external links (72) on this page.

Found links on this page

LinkAttributesAnchor text
https://www.cmu.edu/New window External Subdomain Carnegie Mellon University
https://www.sei.cmu.edu/Software Engineering Institute
https://insights.sei.cmu.edu/n...External Subdomain News 2024 Year in Review Showcases SEI’s Impact on National Security Read More
https://insights.sei.cmu.edu/n...External Subdomain News New Paper Recommends Secure by Design Standard Read More
https://insights.sei.cmu.edu/n...External Subdomain News Secure Software by Design Event Opens Call for Participation and Registration Read More
https://insights.sei.cmu.edu/n...External Subdomain News New Research Supports SEI AISIRT Mission to Secure Artificial Intelligence Read More
https://insights.sei.cmu.edu/n...External Subdomain News New DoD Memo Accelerates Software Acquisition Modernization Read More
https://www.sei.cmu.edu/Anchor Previous
https://www.sei.cmu.edu/Anchor Next
https://www.defense.gov/External Subdomain Department of Defense
/about/index.cfmMore About Us
/subscribe-to-sei-bulletin/ind...Subscribe to SEI Bulletin
https://insights.sei.cmu.edu/l...External Subdomain IMG-ALT Kubernetes (k8s) in the Air Gap
https://insights.sei.cmu.edu/l...External Subdomain Text duplicate Kubernetes (k8s) in the Air Gap
https://insights.sei.cmu.edu/a...External Subdomain Matthew Heckathorn
https://insights.sei.cmu.edu/a...External Subdomain Maxwell Trdina
https://insights.sei.cmu.edu/l...External Subdomain Download
https://insights.sei.cmu.edu/l...External Subdomain IMG-ALT Center for Calibrated Trust Measurement and Evaluation (CaTE)—Guidebook for the Development and TEVV of LAWS to Promote Trustworthiness
https://insights.sei.cmu.edu/l...External Subdomain Text duplicate Center for Calibrated Trust Measurement and Evaluation (CaTE)—Guidebook for the Development and TEVV of LAWS to Promote Trustworthiness
https://insights.sei.cmu.edu/a...External Subdomain Andrew O. Mellinger
https://insights.sei.cmu.edu/a...External Subdomain Tyler Brooks
https://insights.sei.cmu.edu/a...External Subdomain Christopher Fairfax
https://insights.sei.cmu.edu/a...External Subdomain Daniel Justice
https://insights.sei.cmu.edu/l...External Subdomain Text duplicate Download
https://insights.sei.cmu.edu/l...External Subdomain IMG-ALT Reference Architecture for Assuring Ethical Conduct in LAWS
https://insights.sei.cmu.edu/l...External Subdomain Text duplicate Reference Architecture for Assuring Ethical Conduct in LAWS
https://insights.sei.cmu.edu/l...External Subdomain Text duplicate Download
https://insights.sei.cmu.edu/b...External Subdomain IMG-ALT Headshot of Jonathan Frederick.
https://insights.sei.cmu.edu/b...External Subdomain 10 Things Organizations Should Know About AI Workforce Development
https://insights.sei.cmu.edu/a...External Subdomain Jonathan Frederick
https://insights.sei.cmu.edu/a...External Subdomain Dominic A. Ross
https://insights.sei.cmu.edu/a...External Subdomain Eric Keylor
https://insights.sei.cmu.edu/a...External Subdomain Cole Frank
https://insights.sei.cmu.edu/a...External Subdomain Intae Nam
https://insights.sei.cmu.edu/b...External Subdomain read
https://insights.sei.cmu.edu/l...External Subdomain IMG-ALT Identifying and Mitigating Cyber Risk
https://insights.sei.cmu.edu/l...External Subdomain Text duplicate Identifying and Mitigating Cyber Risk
https://insights.sei.cmu.edu/a...External Subdomain Matthew J. Butkovic
https://insights.sei.cmu.edu/l...External Subdomain watch
https://insights.sei.cmu.edu/l...External Subdomain IMG-ALT Updating Risk Assessment in the CERT Secure Coding Standard
https://insights.sei.cmu.edu/l...External Subdomain Text duplicate Updating Risk Assessment in the CERT Secure Coding Standard
https://insights.sei.cmu.edu/a...External Subdomain David Svoboda
https://insights.sei.cmu.edu/a...External Subdomain Joe Sible
https://insights.sei.cmu.edu/a...External Subdomain Robert Schiela
https://insights.sei.cmu.edu/l...External Subdomain learn more
https://insights.sei.cmu.edu/l...External Subdomain View More Publications
https://insights.sei.cmu.edu/a...External Subdomain Advanced Computing
https://insights.sei.cmu.edu/a...External Subdomain AI-Augmented Software Engineering
https://insights.sei.cmu.edu/a...External Subdomain Artificial Intelligence Engineering
https://insights.sei.cmu.edu/c...External Subdomain Cybersecurity Engineering
https://insights.sei.cmu.edu/i...External Subdomain Innovative Acquisition
https://insights.sei.cmu.edu/s...External Subdomain Securing AI
https://insights.sei.cmu.edu/a...External Subdomain All Topics
IMG-ALT All Work
https://insights.sei.cmu.edu/n...External Subdomain IMG-ALT 2024 Year in Review Showcases SEI’s Impact on National Security
https://insights.sei.cmu.edu/n...External Subdomain Text duplicate 2024 Year in Review Showcases SEI’s Impact on National Security
https://insights.sei.cmu.edu/n...External Subdomain Trivial anchor text
Read More
https://insights.sei.cmu.edu/n...External Subdomain IMG-ALT New Paper Recommends Secure by Design Standard
https://insights.sei.cmu.edu/n...External Subdomain Text duplicate New Paper Recommends Secure by Design Standard
https://insights.sei.cmu.edu/n...External Subdomain Text duplicate Trivial anchor text
Read More
https://insights.sei.cmu.edu/n...External Subdomain IMG-ALT Secure Software by Design Event Opens Call for Participation and Registration
https://insights.sei.cmu.edu/n...External Subdomain Text duplicate Secure Software by Design Event Opens Call for Participation and Registration
https://insights.sei.cmu.edu/n...External Subdomain Text duplicate Trivial anchor text
Read More
https://insights.sei.cmu.edu/n...External Subdomain IMG-ALT New Research Supports SEI AISIRT Mission to Secure Artificial Intelligence
https://insights.sei.cmu.edu/n...External Subdomain Text duplicate New Research Supports SEI AISIRT Mission to Secure Artificial Intelligence
https://insights.sei.cmu.edu/n...External Subdomain Text duplicate Trivial anchor text
Read More
https://insights.sei.cmu.edu/n...External Subdomain View More News
https://insights.sei.cmu.edu/t...External Subdomain Insider Threat Analyst
https://insights.sei.cmu.edu/e...External Subdomain A New Performance Zone for Software for National Security
https://insights.sei.cmu.edu/t...External Subdomain Foundations of Incident Management
/news-events/events/View More Events
/education-outreach/courses/in...Courses
/education-outreach/credential...Credentials
/education-outreach/curricula/...Curricula
/education-outreach/license-se...Licensing
/about/work-with-us/index.cfmLearn How to Work With Us
https://cmu.wd5.myworkdayjobs....External Subdomain current employment opportunities
/careers/index.cfmJoin Us
https://www.kb.cert.org/vuls/r...External Subdomain Report a Vulnerability to CERT/CC
/subscribe-to-sei-bulletin/Text duplicate Subscribe to SEI Bulletin
/legal/request-permission-to-u...Request Permission to Use SEI Materials
https://www.facebook.com/SEICMU/New window External Subdomain No Text
https://x.com/sei_cmuNew window External No Text
https://www.linkedin.com/compa...New window External Subdomain No Text
https://www.youtube.com/user/T...New window External Subdomain No Text
https://podcasts.apple.com/us/...New window External Subdomain No Text
/contact-us/Contact Us
/locations/index.cfmSubdomain Office Locations
/additional-sites-directory/in...Subdomain Additional Sites Directory
/legal/index.cfmSubdomain Legal
/legal/privacy-notice/index.cfmSubdomain Privacy Notice
https://www.cmu.edu/hr/resourc...External Subdomain CMU Ethics Hotline
https://www.sei.cmu.edu/index.cfmSubdomain www.sei.cmu.edu

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.sei.cmu.edu/"
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 is slow (1.16 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.
This page loads 11 CSS files. This may affect the page load time negatively.
This page loads 16 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (60 kB).

HTTP Response Header

NameValue
content-typetext/html;charset=UTF-8
expiresMon, 12 May 2025 13:51:58 GMT
set-cookie54 Characters
x-frame-optionsSAMEORIGIN
content-security-policyframe-ancestors 'self'
x-xss-protection1; mode=block
strict-transport-securitymax-age=15638000
dateSun, 11 May 2025 13:51:57 GMT
connectionclose
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 608 referring domains.
This page has 36,455 backlinks.
This page has backlinks from 419 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

# robots.txt for http://www.sei.cmu.edu/

# Changed 16 Jul 2024 by cch
# User-agent: *
# Crawl-delay: 1

# Changed 16 Jul 2024 by cch
# User-agent: *
# Request-rate: 30/1m

User-agent: *
Allow: /

User-agent: WebZIP
Disallow: /

# Changed 20 Nov 2015 by cch
# User-agent: *
# Disallow: /events/*

User-agent: *
Disallow: /loader*

User-agent: *
Disallow: /webadmin/*

User-agent: *
Allow: /smartgrid/start/downloads/*

User-agent: *
Disallow: /test/*

User-agent: *
Disallow: /sample-webinar*

Sitemap: http://www.sei.cmu.edu/sitemap.xml

# last updated: 20 Nov 2015
# For information, contact: [email protected]

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Search preview

www.sei.cmu.edu
Software Engineering Institute
The SEI is the leader in software and cybersecurity research. As an FFRDC sponsored by the U.S. Department of Defense, we work to solve the nation's toughest problems.

Most important keywords

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

KeywordResultRecheck
Software81%Check
Software Engineering74%Check
Software Engineering Institute71%Check
Engineering68%Check
Secure Software63%Check
Institute62%Check
Security58%Check
engineering problems58%Check
AI Engineering57%Check
work56%Check
Show more keywords and terms

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