Darpa.mil - SEO Checker

Overview of the SEO Check
Meta information
87% 
Page quality
84% 
Page structure
58% 
Link structure
60% 
Server
40% 
External factors
100% 
SEO Score
Response time
3.89 s
File size
74.10 kB
Words
640
Media files
33
Number of links
101 internal / 11 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home | DARPA
The page title is too short. (137 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Since 1958, DARPA has held to an enduring mission: To create technological surprise for U.S. national security.
The length of the meta description is perfect. (684 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.darpa.mil/
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 character encoding is not specified in the HTTP header.
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
descriptionSince 1958, DARPA has held to an enduring mission: To create technological surprise for U.S. national security.
MobileOptimizedwidth
HandheldFriendlytrue
viewportwidth=device-width, initial-scale=1.0
langen
og:site_namedarpa.mil
og:urlhttps://www.darpa.mil
og:titleHome | DARPA
og:descriptionSince 1958, DARPA has held to an enduring mission: To create technological surprise for U.S. national security.
og:imagehttps://www.darpa.mil/sites/default/files/gallery/2024-12/og-luke-arm.png
og:image:urlhttps://www.darpa.mil/sites/default/files/gallery/2024-12/og-luke-arm.png
og:image:secure_urlhttps://www.darpa.mil/sites/default/files/gallery/2024-12/og-luke-arm.png
og:image:typeimage/png
charsetutf-8

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Page quality

Content
(Critically important)
There are 3 text duplicates on this page:
  • Duplicate: COFFEE is advancing compact RF filters that enable military and commer...
This page contains 640 words. That's ok.
24.8% of the text are stop words.
The page contains a listing, which indicates a good text layout.
13 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
The average number of words per sentence of 13.48 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 13 tags for this page.
Image SEO
(Somewhat important)
17 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.

Media list

URLAlt attributeTitle
/themes/custom/darpa_uswds/logo.svgHome
...swds/assets/dist/img/usa-icons/close.svgClose
.../dist/img/usa-icons-bg/search--white.svgSearch
...gallery/2024-11/javelin-tank-breaker.jpgthe world’s first medium-range, one-man-portable, fire-and-forget anti-tank weapon system.
...s/gallery/2024-11/mach-homepage-hero.jpgMaterials Architectures and Characterization for Hypersonics
.../files/gallery/2024-12/luke-arm-2024.jpgluke-arm-2024
...les/gallery/2024-11/arpanet-napkin_0.jpgARPANET
...ery/2024-12/f1-injector-hero-lighter.jpgf1-injector-hero-lighter
...gram-coffee.png?h=f1c00ee8&itok=5bfm7GkdNo alt attribute provided
...gram-coffee.png?h=f1c00ee8&itok=5bfm7GkdNo alt attribute provided
...gram-coffee.png?h=f1c00ee8&itok=5bfm7GkdNo alt attribute provided
...es/default/files/2024-08/Group 28418.svgNo alt attribute provided
...les/2024-08/Media and Reporters Icon.svgNo alt attribute provided
...lt/files/2024-08/Small Business_icon.svgNo alt attribute provided
.../2024-08/Defense and Government icon.svgNo alt attribute provided
...ault/files/2024-08/universities_icon.svgNo alt attribute provided
...4-08/Commercialization Partners icon.svgNo alt attribute provided
...llery/2024-11/bto-hero.jpg?itok=7B_yvRJgNo alt attribute provided
...llery/2024-11/dso-hero.jpg?itok=pdMGg8rxNo alt attribute provided
...llery/2024-11/i2o-hero.jpg?itok=XYLhA5l4No alt attribute provided
...llery/2024-11/mto-hero.jpg?itok=6oeJfGTkNo alt attribute provided
...llery/2024-11/sto-hero.jpg?itok=rALdgIsONo alt attribute provided
...llery/2024-11/tto-hero.jpg?itok=kvL1bFO6No alt attribute provided
...search_process_image_1.png?itok=YAeaveHzNo alt attribute provided
...search_process_image_2.png?itok=-5ZqTW04No alt attribute provided
.../files/gallery/2024-12/luke-arm-2024.jpgluke-arm-2024
...omponents/footer/DARPA_Logo_01_White.pngDARPA Logo
...nts/footer/social_media_icons/x_icon.svgx social network
...ter/social_media_icons/facebook_icon.svgFacebook icon
...oter/social_media_icons/youtube_icon.svgYouTube icon
...er/social_media_icons/instagram_icon.svgInstagram Icon
...ter/social_media_icons/linkedIn_icon.svgLinkedIn icon
...s/footer/social_media_icons/rss_icon.svgRSS icon

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
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 32 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H2 Create Technological Surprise for National Security
H2 Break the Boundaries of Possibility
H2 It Is DARPA Hard
H2 World-Changing Technologies
H2 What's Next
H2 Communities
H2 Technical Offices
H2 Work at DARPA
H2 Contact
H2 Main navigation
H2 Footer
H2 USA Government Links
H3 Events
H3 News
H3 Work with DARPA
H3 Redefining Possible
H4 DARPA newcomers
H4 Industry
H4 Small businesses
H4 Defense and government
H4 Academia
H4 Investors and entrepreneurs
H4 Defense Advanced Research Projects Agency To create technological surprise for U.S. national security
H5 Biological Technologies Office
H5 Defense Sciences Office
H5 Information Innovation Office
H5 Microsystems Technology Office
H5 Strategic Technology Office
H5 Tactical Technology Office
H6 Strong filters, bold impact: COFFEE filters advance solution...
H6 Strong filters, bold impact: COFFEE filters advance solution... Duplicate text
H6 Strong filters, bold impact: COFFEE filters advance solution... Duplicate text
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
12 links don't have an anchor text.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are 11 external links on this page.
LinkAttributesAnchor text
https://www.darpa.mil/Anchor Skip to main content
https://www.darpa.mil/IMG-ALT Home
A-TITLE Home
/work-with-usWork with Us
/work-with-us/opportunitiesR&D Opportunities
/research/programsPrograms
/about/officesOffices
https://www.darpa.mil/newsNews
https://www.darpa.mil/eventsEvents
https://www.darpa.mil/careersCareers
https://www.darpa.mil/aboutAbout
https://www.darpa.mil/searchIMG-ALT Search
/work-with-us/opportunitiesText duplicate R&D Opportunities
/work-with-usWork with DARPA
https://www.darpa.mil/careersWork at DARPA
/news/features/arpanetCreating ARPANET
/work-with-us/opportunitiesText duplicate R&D Opportunities
https://www.darpa.mil/eventsAll Events
https://www.darpa.mil/newsAll News
/news/2025/coffee-solution-spe...Strong filters, bold impact: COFFEE filters advance solution... COFFEE is advancing compact RF filters that enable military and commercial systems to share c...
/news/2025/coffee-solution-spe...Text duplicate Strong filters, bold impact: COFFEE filters advance solution... COFFEE is advancing compact RF filters that enable military and commercial systems to share c...
/news/2025/coffee-solution-spe...Text duplicate Strong filters, bold impact: COFFEE filters advance solution... COFFEE is advancing compact RF filters that enable military and commercial systems to share c...
/about/darpaconnectNo Text
/work-with-us/communities/indu...No Text
/work-with-us/communities/smal...No Text
/work-with-us/communities/defe...No Text
/work-with-us/communities/acad...No Text
/about/offices/commercial-stra...No Text
/about/offices/btoNo Text
/about/offices/dsoNo Text
/about/offices/i2oNo Text
/about/offices/mtoNo Text
/about/offices/stoNo Text
/about/offices/ttoNo Text
https://www.darpa.mil/careersExplore openings
https://www.darpa.mil/careersFind your future with DARPA Careers
/about/peopleSee all people at DARPA
https://www.darpa.mil/researchResearch Opportunities
/research/programsView Programs
/about/innovation-timelineSee the dreams we turned to reality
https://www.darpa.mil/IMG-ALT DARPA Logo
https://x.com/darpaExternal IMG-ALT x social network
https://www.facebook.com/DARPA/External Subdomain IMG-ALT Facebook icon
https://www.youtube.com/DARPAtvExternal Subdomain IMG-ALT YouTube icon
https://www.instagram.com/darpa/External Subdomain IMG-ALT Instagram Icon
https://www.linkedin.com/compa...External Subdomain IMG-ALT LinkedIn icon
https://www.darpa.mil/rss.xmlSubdomain IMG-ALT RSS icon
/work-with-usText duplicate Work with Us
/work-with-usCommunities
/work-with-usNew to DARPA
A-TITLE New to DARPA
/work-with-us/communities/acad...Academia
A-TITLE Academia
/work-with-us/communities/defe...Defense & Government
A-TITLE Defense & Government
/about/offices/commercial-stra...Investors & Entrepreneurs
A-TITLE Investors & Entrepreneurs
/work-with-us/communities/indu...Industry
A-TITLE Industry
/work-with-us/communities/smal...Small Business
A-TITLE Small Business
/about/darpaconnectDARPAConnect
A-TITLE DARPAConnect
/work-with-us/opportunitiesText duplicate R&D Opportunities
/work-with-us/opportunitiesAll Opportunities
A-TITLE All opportunities
/work-with-usHow to Respond
A-TITLE How to apply
/research/programsText duplicate Programs
/research/programsAll Programs
A-TITLE All programs
/research/research-spotlightsResearch Spotlights
/research/ideasIdeas Under Incubation
/about/officesText duplicate Offices
A-TITLE Offices
https://www.darpa.mil/aboutTechnical Offices
A-TITLE Technical Offices
/about/offices/btoBiological Technologies
A-TITLE Biological Technologies
/about/offices/dsoDefense Sciences
A-TITLE Defense Sciences
/about/offices/i2oInformation Innovation
A-TITLE Information Innovation
/about/offices/mtoMicrosystems Technology
A-TITLE Microsystems Technology
/about/offices/stoStrategic Technology
A-TITLE Strategic Technology
/about/offices/ttoTactical Technology
A-TITLE Tactical Technology
/about/officesSupport Offices
A-TITLE Support Offices
https://www.darpa.mil/newsText duplicate News
https://www.darpa.mil/newsText duplicate All News
A-TITLE All news
/news/podcastVoices from DARPA (Podcast)
A-TITLE Voices from DARPA (Podcast)
/news/public-affairsCommunications & Public Affairs
A-TITLE Communications & Public Affairs
/news/featuresFeatures
A-TITLE Featured stories
/news/resources/high-resImages Library
/news/resources/case-studiesCase Studies
/news/public-affairsMedia FAQs
A-TITLE Media FAQs
https://www.darpa.mil/eventsText duplicate Events
https://www.darpa.mil/eventsText duplicate All Events
https://www.darpa.mil/careersText duplicate Careers
https://www.darpa.mil/careersThink beyond the impossible
/careers/program-managerExplore the PM Role
A-TITLE How to become a PM
/careers/how-military-can-serveMilitary Professionals
A-TITLE Military professionals
/careers/government-contractorsContractor Information
A-TITLE Contractor information
/careers/innovation-fellowshipFellowships
/careers/alumniLife after DARPA
https://www.darpa.mil/aboutText duplicate About
https://www.darpa.mil/aboutOur Mission
A-TITLE Our mission
https://www.darpa.mil/aboutOur History
A-TITLE Our history
/about/innovation-timelineInnovation Timeline
A-TITLE Innovation timeline
/about/heilmeier-catechismThe Heilmeier Catechism
A-TITLE The Heilmeier Catechism
/about/peopleOur People
https://www.darpa.mil/aboutLeadership
/about/program-managersProgram Managers
A-TITLE Program managers
/about/budgets-testimonyBudgets and Testimony
https://www.darpa.mil/policiesPolicies
https://dodcio.defense.gov/DoD...External Subdomain Accessibility/Section 508
https://www.dodig.mil/Componen...External Subdomain DoD Hotline
/policies/no-fear-actNo Fear Act
/policies/privacy-policyPrivacy Policy
https://www.darpa.mil/sitemap.xmlSitemap
/policies/usage-policyUsage Policy
/policies/visitor-informationVisitor Information
/speaker-requestRequest a DARPA speaker
https://www.darpa.mil/contactContact
/policies/foiaFreedom of Information Act
https://www.defense.gov/Resour...External Subdomain Information Quality
https://data.gov/open-gov/External Open Government
https://dpcld.defense.gov/External Subdomain Privacy and Civil Liberties
https://www.usa.gov/External Subdomain USA.gov

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.darpa.mil/"
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 very slow (3.89 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 (74 kB).

HTTP Response Header

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content-typetext/html
content-length75845
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x-amz-request-idJ2JJVAB4EZKXJVGB
last-modifiedWed, 16 Jul 2025 07:04:28 GMT
x-amz-server-side-encryptionAES256
x-amz-meta-last-modified1752648902000
accept-rangesbytes
serverAmazonS3
dateWed, 16 Jul 2025 11:33:03 GMT
etag"40fe80f1301cbbd84e6dfba419561f2f"
x-cacheHit from cloudfront
via1.1 7baaafbc6706c1aed705d9e4c146a872.cloudfront.net (CloudFront)
x-amz-cf-popFRA60-P9
x-amz-cf-idt7jSgkS7rFWTBspTDRmZoMQ-38Zxc6nCt2-BFS-AlcTOkTghe9bFWw==
age411
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 5,000 referring domains.
This page has 28,044 backlinks.
This page has backlinks from 3,024 different ip addresses.

Search preview

www.darpa.mil
Home | DARPA
Since 1958, DARPA has held to an enduring mission: To create technological surprise for U.S. national security.

Most important keywords

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

KeywordResultRecheck
DARPA86%Check
Technological54%Check
Create54%Check
Surprise54%Check
National54%Check
Security54%Check
National Security54%Check
Create Technological Surprise54%Check
defense49%Check
Defense government47%Check

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