Cdnjs.com - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
61% 
Page quality
50% 
Page structure
100% 
Link structure
96% 
Server
90% 
External factors
100% 
SEO Score
Response time
0.07 s
File size
75.20 kB
Words
107
Media files
2
Number of links
8 internal / 23 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
cdnjs - The #1 free and open source CDN built to make life easier for developers
The page title should be shorter than 580 pixels. It is 721 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Simple. Fast. Reliable. Content delivery at its finest. cdnjs is a free and open-source CDN service trusted by over 12.5% of all websites, serving over 200 billion requests each month, powered by Cloudflare. We make it faster and easier to load library files on your websites.
The meta description is too long: 1676 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://cdnjs.com/
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)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
mobile-web-app-capableyes
apple-mobile-web-app-capableyes
theme-color#d9643a
titlecdnjs - The #1 free and open source CDN built to make life easier for developers
descriptionSimple. Fast. Reliable. Content delivery at its finest. cdnjs is a free and open-source CDN service trusted by over 12.5% of all websites, serving over 200 billion requests each month, powered by Cloudflare. We make it faster and easier to load library files on your websites.
keywordscdn, cdnjs, js, javascript, css, library, web, front-end, free, open-source, open source, oss, npm, github
langen
twitter:cardsummary_large_image
twitter:site@cdnjs
twitter:creator@MattIPv4
twitter:imagehttps://cdnjs.com/banner.png
twitter:image:altcdnjs banner image
twitter:titlecdnjs - The #1 free and open source CDN built to make life easier for developers
twitter:descriptionSimple. Fast. Reliable. Content delivery at its finest. cdnjs is a free and open-source CDN service trusted by over 12.5% of all websites, serving over 200 billion requests each month, powered by Cloudflare. We make it faster and easier to load library files on your websites.
twitter:urlhttps://cdnjs.com/
og:typewebsite
og:localeen_GB
og:site_namecdnjs
og:imagehttps://cdnjs.com/banner.png
og:image:urlhttps://cdnjs.com/banner.png
og:titlecdnjs - The #1 free and open source CDN built to make life easier for developers
og:descriptionSimple. Fast. Reliable. Content delivery at its finest. cdnjs is a free and open-source CDN service trusted by over 12.5% of all websites, serving over 200 billion requests each month, powered by Cloudflare. We make it faster and easier to load library files on your websites.
og:urlhttps://cdnjs.com/
charsetutf-8

Test up to 1.000 webpages of cdnjs.com with our free plan!

Try For Free
No trial. It's just free!

Page quality

Content
(Critically important)
There are only 107 words on this page. Use at least 250 words to provide useful information.
Some words from the page title are not used within the pages content
Words from the H1 heading are not used in the page content.
Only 1 paragraph/s was/were found on this page.
27.1% of the text are stop words.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 10 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 7 JavaScript files. This may affect the load time negatively.
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 6 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
/_/f7a2ebfb819c118086546e481876aef6.svg< cdnjs >
/_/f7a2ebfb819c118086546e481876aef6.svg< cdnjs >

Page structure

H1 heading
(Critically important)
Simple. Fast. Reliable. Content delivery at its finest.
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Simple. Fast. Reliable. Content delivery at its finest.
H2 cdnjs is a free and open-source CDN service trusted by over 12.5% of all websites, serving over 200 billion requests each month, powered by Cloudflare. We make it faster and easier to load library ...
There are too few (8) internal links on this page.
Some anchor texts are used more than once.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 23 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://cdnjs.com/IMG-ALT < cdnjs >
https://twitter.com/cdnjs?utm_...External No Text
https://github.com/cdnjs/cdnjs...External No Text
https://cdnjs.com/aboutAbout
https://cdnjs.com/librariesLibraries
https://cdnjs.com/apiAPI
https://github.com/cdnjs?utm_s...External GitHub
https://status.cdnjs.com/?utm_...External Subdomain Status
https://github.com/cdnjs?utm_s...External View on GitHub
https://github.com/cdnjs?utm_s...External contribute on GitHub
https://opencollective.com/cdn...External Open Collective
https://www.patreon.com/cdnjs?...External Subdomain Patreon
https://cdnjs.com/Text duplicate IMG-ALT < cdnjs >
https://twitter.com/cdnjs?utm_...External No Text
https://github.com/cdnjs?utm_s...External No Text
https://cdnjs.com/aboutAbout Us
https://swag.cdnjs.com/?utm_so...External Subdomain Swag Store
https://github.com/cdnjs/cdnjs...External Community Discussions
https://opencollective.com/cdn...External OpenCollective
https://www.patreon.com/cdnjs?...External Subdomain Text duplicate Patreon
https://www.cloudflare.com/net...External Subdomain CDN Network Map
https://cdnjs.com/librariesSearch Libraries
https://cdnjs.com/apiAPI Documentation
https://status.cdnjs.com/?utm_...External Subdomain Status Page
https://twitter.com/cdnjsStatu...External cdnjsStatus on Twitter
https://www.cloudflare.com/?ut...External Subdomain Cloudflare
https://www.algolia.com/?utm_s...External Subdomain Algolia
https://www.digitalocean.com/?...External Subdomain DigitalOcean
https://www.statuspage.io/?utm...External Subdomain StatusPage
https://sentry.io/welcome/?utm...External Sentry
https://uptimerobot.com/?utm_s...External UptimeRobot

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://cdnjs.com/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
This page loads 7 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.07 seconds.
This page does not require any CSS files.
The file size of the HTML document is fine (75 kB).

HTTP Response Header

NameValue
dateSat, 11 May 2024 10:35:43 GMT
content-typetext/html; charset=utf-8
varyAccept-Encoding
x-do-app-origincdb419d1-e696-11ec-b1dc-0c42a19a82a7
cache-controlprivate, max-age=43200
x-do-orig-status200
cf-cache-statusHIT
age2123
last-modifiedSat, 11 May 2024 10:00:20 GMT
report-to{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=51BCZBNgJdO8HH6TBcJHNLh0yvdM19m02HpdIIAwYid2NPmRIaLA5MyVInSTit24N%2BFRKNcHYYf3uE03sQypmJcb1MtS85EHSp8WC%2BIC4upuMS8DO7rJhmsaiA%3D%3D"}],"group":"cf-nel","max_age":604800}
nel{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-securitymax-age=31536000; includeSubDomains; preload
x-content-type-optionsnosniff
servercloudflare
cf-ray8821861bb97f914c-FRA
content-encodinggzip
alt-svch3=":443"; ma=86400
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 6,150 referring domains.
This page has 367,190 backlinks.
This page has backlinks from 4,164 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Allow: *

Sitemap: https://cdnjs.com/sitemap-index.xml

Similar sites

Search preview

cdnjs.com
cdnjs - The #1 free and open source CDN built to make life easier f...
Simple. Fast. Reliable. Content delivery at its finest. cdnjs is a free and open-source CDN service trusted by over 12.5% of all websites, serving over 200 billion requests each month, powered by Cloudflare. We make it faster and easier to load library files on your websites.

Most important keywords

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

KeywordResultRecheck
cdnjs75%Check
free62%Check
Open62%Check
Simple62%Check
Reliable62%Check
Content62%Check
delivery62%Check
finest62%Check
Content Delivery62%Check
Free and Open62%Check
Show more keywords and terms

Test up to 1.000 webpages of cdnjs.com with our free plan!

Try For Free
No trial. It's just free!

Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

Contact | Privacy

We need these so the site can function properly

So we can better understand how visitors use our website

So we can serve you tailored ads and promotions