Opencv.org - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
78% 
Page structure
58% 
Link structure
1% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.11 s
File size
337.10 kB
Words
843
Media files
24
Number of links
151 internal / 44 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
OpenCV - Open Computer Vision Library
The length of the page title is perfect. (365 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
OpenCV provides a real-time optimized Computer Vision library, tools, and hardware. It also supports model execution for Machine Learning (ML) and Artificial Intelligence (AI).
The meta description is too long: 1078 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://opencv.org/
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, max-snippet:-1, max-video-preview:-1
descriptionOpenCV provides a real-time optimized Computer Vision library, tools, and hardware. It also supports model execution for Machine Learning (ML) and Artificial Intelligence (AI).
generatorWP Rocket 3.20.5
msapplication-TileImagehttps://opencv.org/wp-content/uploads/2020/07/cropped-Fav-270x270.png
article:modified_time2026-03-04T13:48:50+00:00
langen-us
twitter:cardsummary_large_image
twitter:titleOpenCV - Open Computer Vision Library
twitter:descriptionOpenCV provides a real-time optimized Computer Vision library, tools, and hardware. It also supports model execution for Machine Learning (ML) and Artificial Intelligence (AI).
og:localeen_US
og:typewebsite
og:titleOpenCV - Open Computer Vision Library
og:descriptionOpenCV provides a real-time optimized Computer Vision library, tools, and hardware. It also supports model execution for Machine Learning (ML) and Artificial Intelligence (AI).
og:urlhttps://opencv.org/
og:site_nameOpenCV
og:imagehttps://opencv.org/wp-content/uploads/2025/06/opencv-featured.jpg
og:image:width720
og:image:height405
og:image:typeimage/jpeg
charsetUTF-8

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Page quality

Content
(Critically important)
There are 2 text duplicates on this page:
  • Duplicate: The world’s largest Computer Vision library meets the world’s top-rate...
This page contains 843 words. That's ok.
20.4% 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.
9 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 20.1 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 17 tags for this page.
Image SEO
(Somewhat important)
23 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
/wp-content/uploads/2022/07/OpenCV-logo.pngOpenCV
...ontent/uploads/2023/12/ai-consulting.jpgNo alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
/wp-content/uploads/2024/01/arm-logo.pngNo alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
...The-Embedded-AI-Vision-Alliance_logo.pngNo alt attribute provided
/wp-content/uploads/2025/08/openmv-logo.pngNo alt attribute provided
data:[...] Base64No alt attribute provided
/wp-content/uploads/2024/01/amped-logo.pngNo alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
...tent/uploads/2024/03/Big-Vision-logo.pngNo alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided

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 27 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 Our Services
H2 Members and Partners
H3 OpenCV is the world's biggest computer vision library.
H3 OpenCV.ai
H3 OpenCV University
H3 OpenCV Face Recognition
H3 Gold
H3 Silver
H3 Bronze
H3 Our Blogs
H3 Preview The Embedded Vision Summit 2026 Conference On OpenCV Live
H3 Calling Roboticists & Vision Experts: Tackle Dexterous Manipulation and Win Big in the AI for Industry Challenge
H3 Real-Time Face Tracking: OpenCV Control of a UR Robot
H3 Open Source
H3 Optimized
H3 Cross-Platform
H3 Free Courses
H3 Courses
H3 Partnership
H3 Resources
H3 General Link
H4 Become a Member
H4 Free Courses Duplicate text
H4 Courses Duplicate text
H4 Partnership Duplicate text
H4 Resources Duplicate text
H4 General Link 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.
3 links don't have an anchor text.
There are 3 links with a trivial anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are too many external links (44) on this page.

Found links on this page

LinkAttributesAnchor text
https://www.displayweek.org/ev...External Subdomain Register for OpenCV Conference 2026, May 4th, Los Angeles →
https://opencv.org/Anchor Skip to primary navigation
https://opencv.org/Anchor Skip to main content
https://opencv.org/IMG-ALT OpenCV
https://opencv.org/Text duplicate OpenCV
https://opencv.org/releases/Library
https://opencv.org/releases/Releases
https://opencv.org/platforms/Platforms
https://opencv.org/license/License
https://forum.opencv.org/External Subdomain Forum
https://forum.opencv.org/External Subdomain OpenCV Forum (New!)
https://answers.opencv.org/External Subdomain Askbot (Old Forum)
/university/?utm_source=opcv&u...OpenCV University
/university/courses/?utm_sourc...All Courses
/university/course/mastering-o...Mastering OpenCV with Python
/university/course/fundamental...Fundamentals of CV & IP
/university/course/deep-learni...Deep Learning with PyTorch
/university/course/deep-learni...Deep Learning with TensorFlow & Keras
/university/advanced-vision-ap...Advanced Vision Applications with Deep Learning & Transformers
/university/course/mastering-g...Mastering Generative AI for Art
/university/cvdl-master/?utm_s...CVDL Master Program
https://courses.opencv.org/External Subdomain Courses [Enrolled Users]
/university/organization-page/...For Organizations
/university/student-offer-open...Student Discount
/university/careerx/?utm_sourc...CareerX
/university/free-courses/?utm_...Free Courses
/university/vision-language-mo...VLM Bootcamp New
/university/free-pytorch-cours...PyTorch Bootcamp
/university/free-tensorflow-ke...TensorFlow Keras Course
/university/free-opencv-course...OpenCV Bootcamp
/university/python-for-beginne...Python for Beginners
https://opencv.ai/New window External Services
/opencv-face-recognition/Face Recognition
/opencv-area-chairs/Area Chairs
https://opencv.org/membership/Membership
/opencv-gold-membership/Gold
/opencv-development-partnership/Development Partnership
/opencv-course-partnership/Course Partnership
/category/research-papers/Research Papers
/university/free-opencv-course...Get Started
/ai-for-entrepreneurs-podcast/Podcast
https://roboflow.com/opencvExternal Roboflow
https://opencv.org/links/Links
https://opencv.org/media-kit/Official OpenCV Logos & Media Kit
https://opencv.org/leadership/Leadership
https://opencv.org/about/About
https://opencv.org/support/New window BECOME A MEMBER
https://aws.amazon.com/marketp...New window External Subdomain TRY FOR FREE
https://opencv.ai/New window External Learn More
https://opencv.org/store/New window Shop Now
https://opencv.myspreadshop.com/New window External Subdomain Text duplicate Shop Now
/university/free-opencv-course...New window Enroll Now
/university/?utm_source=opcv&u...New window Text duplicate Learn More
/opencv-face-recognition/New window Text duplicate Learn More
https://opencv.org/supportNew window Donate To OpenCV
/get-started/?utm_source=opcv&...New window Text duplicate Get Started
https://github.com/opencv/opencvNew window External Github
https://docs.opencv.org/New window External Subdomain documentation
https://docs.opencv.org/master...New window External Subdomain Tutorials
https://forum.opencv.org/New window External Subdomain Q&A forum
https://opencv.org/courses/New window Courses
https://github.com/opencv/open...New window External Wiki
https://pullrequest.opencv.org/New window External Subdomain Anchor Build farm
https://github.com/opencv/open...New window External Report a bug
https://www.paypal.me/OpenCVNew window External Subdomain Donate
https://opencv.ai/New window External Learn more
/university/?utm_source=opcv&u...Text duplicate Learn more
/opencv-face-recognition/Text duplicate Learn more
https://www.arm.com/New window External Subdomain No Text
http://www.futurewei.com/New window External Subdomain No Text
https://summerofcode.withgoogl...New window External Subdomain No Text
https://roboflow.com/opencvNew window External No Text
https://www.orbbec.com/New window External Subdomain No Text
https://www.bmva.org/New window External Subdomain No Text
https://seventhsense.ai/New window External No Text
https://www.jetbrains.com/?utm...New window External Subdomain No Text
https://www.edge-ai-vision.com/New window External Subdomain No Text
https://openmv.io/New window External No Text
https://www.tangramvision.com/New window External Subdomain No Text
https://ampedsoftware.com/New window External No Text
https://www.intuitivo.ai/New window External Subdomain No Text
https://www.rerun.io/New window External Subdomain No Text
https://www.intrinsic.ai/New window External Subdomain No Text
https://www.bigvision.ai/New window External Subdomain No Text
https://opencv.org/anniversary/Text duplicate Learn More
/preview-the-embedded-vision-s...No Text
https://opencv.org/author/phil/Phil Nelson
https://opencv.org/2026/02/27/February 27, 2026
/preview-the-embedded-vision-s...Preview The Embedded Vision Summit 2026 Conference On OpenCV Live
/preview-the-embedded-vision-s...Trivial anchor text
Read More
/category/edge-ai/Edge AI
https://opencv.org/category/news/News
/calling-roboticists-vision-ex...No Text
https://opencv.org/author/phil/Text duplicate Phil Nelson
https://opencv.org/2026/02/11/February 11, 2026
/calling-roboticists-vision-ex...Calling Roboticists & Vision Experts: Tackle Dexterous Manipulation and Win Big in the AI for Industry Challenge
/calling-roboticists-vision-ex...Text duplicate Trivial anchor text
Read More
/category/competition/Competition
/real-time-face-tracking-openc...No Text
/author/sanjana/Sanjana Bhat
https://opencv.org/2026/02/04/February 4, 2026
/real-time-face-tracking-openc...Real-Time Face Tracking: OpenCV Control of a UR Robot
/real-time-face-tracking-openc...Text duplicate Trivial anchor text
Read More
/category/computer-vision/Computer Vision
/category/opencv/Text duplicate OpenCV
https://opencv.org/newsSee all news and articles
/cdn-cgi/l/email-protectionNew window E-Mail
https://join.slack.com/t/open-...New window External Subdomain Slack
https://github.com/opencvNew window External GitHub
https://www.facebook.com/openc...New window External Subdomain Facebook
https://twitter.com/opencvlibraryNew window External Twitter
https://www.youtube.com/user/o...New window External Subdomain YouTube
https://en.wikipedia.org/wiki/...New window External Subdomain Wikipedia
https://forum.opencv.org/New window External Subdomain Text duplicate Forum
https://sourceforge.net/projec...New window External Source Forge
https://web.libera.chat/New window External Subdomain Anchor IRC #opencv
https://opencv.org/subscribeJoin our Newsletter
/university/free-pytorch-cours...Text duplicate PyTorch Bootcamp
/university/free-tensorflow-ke...TensorFlow & Keras Bootcamp
/university/free-opencv-course...Text duplicate OpenCV Bootcamp
/university/python-for-beginne...Text duplicate Python for Beginners
/university/free-pytorch-cours...Text duplicate PyTorch Bootcamp
/university/free-tensorflow-ke...Text duplicate TensorFlow & Keras Bootcamp
/university/free-opencv-course...Text duplicate OpenCV Bootcamp
/university/python-for-beginne...Text duplicate Python for Beginners
/university/mastering-opencv-w...Text duplicate Mastering OpenCV with Python
/university/fundamentals-of-co...Text duplicate Fundamentals of CV & IP
/university/deep-learning-with...Text duplicate Deep Learning with PyTorch
/university/deep-learning-with...Text duplicate Deep Learning with TensorFlow & Keras
/university/advanced-vision-ap...Text duplicate Advanced Vision Applications with Deep Learning & Transformers
/university/mastering-generati...Text duplicate Mastering Generative AI for Art
/university/mastering-opencv-w...Text duplicate Mastering OpenCV with Python
/university/fundamentals-of-co...Text duplicate Fundamentals of CV & IP
/university/deep-learning-with...Text duplicate Deep Learning with PyTorch
/university/deep-learning-with...Text duplicate Deep Learning with TensorFlow & Keras
/university/advanced-vision-ap...Text duplicate Advanced Vision Applications with Deep Learning & Transformers
/university/mastering-generati...Text duplicate Mastering Generative AI for Art
https://opencv.org/?page_id=8956Intel, OpenCV’s Platinum Member
/opencv-gold-membership/Gold Membership
/opencv-development-partnership/Text duplicate Development Partnership
/platforms/cuda/CUDA
https://opencv.org/arm/ARM
https://opencv.org/?page_id=8956Text duplicate Intel, OpenCV’s Platinum Member
/opencv-gold-membership/Text duplicate Gold Membership
/opencv-development-partnership/Text duplicate Development Partnership
/platforms/cuda/Text duplicate CUDA
https://opencv.org/arm/Text duplicate ARM
https://opencv.org/books/Books
/ai-for-entrepreneurs-podcast/Text duplicate Podcast
https://opencv.org/links/Text duplicate Links
https://opencv.org/media-kit/Text duplicate Official OpenCV Logos & Media Kit
https://opencv.org/web-stories/Web Stories
https://opencv.org/books/Text duplicate Books
/ai-for-entrepreneurs-podcast/Text duplicate Podcast
https://opencv.org/links/Text duplicate Links
https://opencv.org/media-kit/Text duplicate Official OpenCV Logos & Media Kit
https://opencv.org/web-stories/Text duplicate Web Stories
https://opencv.org/about/Text duplicate About
https://opencv.org/releases/Text duplicate Releases
https://opencv.org/license/Text duplicate License
https://opencv.org/about/Text duplicate About
https://opencv.org/releases/Text duplicate Releases
https://opencv.org/license/Text duplicate License
https://opencv.org/contact-us/Contact Us
/terms-and-conditions/Terms and Conditions
/privacy-policy/Privacy Policy
https://opencv.org/contact-us/Text duplicate Contact Us
/terms-and-conditions/Text duplicate Terms and Conditions
/privacy-policy/Text duplicate Privacy Policy
/university/free-pytorch-cours...Text duplicate PyTorch Bootcamp
/university/free-tensorflow-ke...Text duplicate TensorFlow & Keras Bootcamp
/university/free-opencv-course...Text duplicate OpenCV Bootcamp
/university/python-for-beginne...Text duplicate Python for Beginners
/university/mastering-opencv-w...Text duplicate Mastering OpenCV with Python
/university/fundamentals-of-co...Text duplicate Fundamentals of CV & IP
/university/deep-learning-with...Text duplicate Deep Learning with PyTorch
/university/deep-learning-with...Text duplicate Deep Learning with TensorFlow & Keras
/university/advanced-vision-ap...Text duplicate Advanced Vision Applications with Deep Learning & Transformers
/university/mastering-generati...Text duplicate Mastering Generative AI for Art
https://opencv.org/?page_id=8956Text duplicate Intel, OpenCV’s Platinum Member
/opencv-gold-membership/Text duplicate Gold Membership
/opencv-development-partnership/Text duplicate Development Partnership
/platforms/cuda/Text duplicate CUDA
https://opencv.org/arm/Text duplicate ARM
https://opencv.org/books/Text duplicate Books
/ai-for-entrepreneurs-podcast/Text duplicate Podcast
https://opencv.org/links/Text duplicate Links
https://opencv.org/media-kit/Text duplicate Official OpenCV Logos & Media Kit
https://opencv.org/web-stories/Text duplicate Web Stories
https://opencv.org/about/Text duplicate About
https://opencv.org/releases/Text duplicate Releases
https://opencv.org/license/Text duplicate License
https://opencv.org/contact-us/Text duplicate Contact Us
/privacy-policy/Text duplicate Privacy Policy
/terms-and-conditions/Terms & Conditions

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://opencv.org/"
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)
A Content Delivery Network like Google Hosted Libraries can save bandwidth for the JQuery files.
The page response time is excellent with 0.11 seconds.
The file size of the HTML document is fine (337 kB).

HTTP Response Header

NameValue
dateTue, 17 Mar 2026 07:40:29 GMT
content-typetext/html; charset=UTF-8
cf-ray9dda598a3bee9f1b-FRA
cf-cache-statusHIT
age603887
cache-controlmax-age=764000; includeSubDomains;
last-modifiedWed, 04 Mar 2026 05:48:50 GMT
link<https://opencv.org/wp-json/>; rel="https://api.w.org/", <https://opencv.org/wp-json/wp/v2/pages/8043>; rel="alternate"; title="JSON"; type="application/json", <https://opencv.org/>; rel=shortlink
servercloudflare
varyAccept-Encoding, Accept-Encoding, Accept-Encoding, Accept-Encoding,Cookie
cf-apo-viatcache
x-cacheMISS
x-cache-groupnormal
x-cacheableSHORT
x-powered-byWP Engine
speculation-rules"/cdn-cgi/speculation"
server-timingcfCacheStatus;desc="HIT"
report-to{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=1%2FVZjHibOGISuV4O8nOfZu%2B9XiP%2FsCxga4P%2FtOShq8IULKKZv0orCZ5ts%2FJZDnLvxnid0SQ73aa68bHWkx6T%2Fn47d2tc7ToMhg%3D%3D"}]}
nel{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
content-encodingbr
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 4,834 referring domains.
This page has 46,365 backlinks.
This page has backlinks from 3,357 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

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
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User-agent: CCBot
Disallow: /

User-agent: ClaudeBot
Disallow: /

User-agent: Google-Extended
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User-agent: GPTBot
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User-agent: meta-externalagent
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# END Cloudflare Managed Content

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opencv.org
OpenCV - Open Computer Vision Library
OpenCV provides a real-time optimized Computer Vision library, tools, and hardware. It also supports model execution for Machine Learning (ML) and Artificial Intelligence (AI).

Most important keywords

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

KeywordResultRecheck
OpenCV86%Check
OpenCV open85%Check
Open Computer Vision75%Check
Open Computer Vision Library73%Check
Vision72%Check
Computer Vision71%Check
Computer Vision Library70%Check
Library66%Check
learning Computer Vision64%Check
Open Source62%Check
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