Animejs.com - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
53% 
Page structure
100% 
Link structure
98% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.13 s
File size
43.00 kB
Words
462
Media files
2
Number of links
40 internal / 8 external

Meta specifications

Title
(Critically important)
Anime.js | JavaScript Animation Engine
The length of the page title is perfect. (349 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
A fast and versatile JavaScript animation library
The length of the meta description is perfect. (293 pixels out of 1000 max pixel length)
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
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=1.0
darkreader-lockEmpty
descriptionA fast and versatile JavaScript animation library
langen
twitter:titleAnime.js | JavaScript Animation Engine
twitter:descriptionA fast and versatile JavaScript animation library
twitter:cardsummary_large_image
twitter:imagehttps://animejs.com/media/site/5e9b48763d-1744100039/anime-js-sharing-image.png
og:titleAnime.js | JavaScript Animation Engine
og:url/
og:descriptionA fast and versatile JavaScript animation library
og:image/media/site/5e9b48763d-1744100039/anime-js-sharing-image.png
charsetUTF-8

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Page quality

Content
(Critically important)
Only 1 paragraph/s was/were found on this page.
There are only 462 words on this page. Good pages should have about 800 words of useful content.
These Typos were found:
  • powerfull => powerful
14.9% 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.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 21.4 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 9 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
/assets/images/anime-js-logo-v4.svganime.js logo v4
/assets/images/anime-js-logo-v4.svganime.js logo v4

Page structure

H1 heading
(Critically important)
Anime.js | JavaScript Animation Engine anime.js logo v4
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Anime.js | JavaScript Animation Engine anime.js logo v4
H2 All-in-one animation engine.
H2 The complete animator's toolbox
H2 Intuitive API
H2 Enhanced transforms
H2 SVG toolset
H2 Scroll Observer
H2 Advanced staggering
H2 Springs and draggable
H2 Runs like clockwork
H2 Responsive animations
H2 A lightweight and modular API
H2 Our sponsors
H2 Start animating
H3 Bundle size
H3 Stay in the loop
H3 Follow us
H3 Explore
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 8 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://animejs.com/Anime.js | JavaScript Animation Engine
IMG-ALT anime.js logo v4
https://animejs.com/documentationDocs
A-TITLE Documentation
https://animejs.com/learnLearn
A-TITLE Learn
https://codepen.io/collection/...New window External Examples
A-TITLE CodePen
https://github.com/juliangarni...New window External GitHub
A-TITLE GitHub
https://github.com/sponsors/ju...New window External Sponsor
A-TITLE Sponsor Julian Garnier on GitHub
/documentation/animation/tween...Per property parameters
/documentation/animation/tween...Flexible keyframes system
/documentation/animation/tween...Built-in easings
/documentation/animation/anima...Individual CSS Transforms
/documentation/animation/tween...Function based values
/documentation/animation/tween...Blend composition
/documentation/svg/morphtoShape morphing
/documentation/svg/createdrawableLine drawing
/documentation/svg/createmotio...Motion path
/documentation/scroll/scrollob...Multiple synchronisation modes
/documentation/scroll/scrollob...Advanced thresholds
/documentation/scroll/scrollob...Complete set of callbacks
/documentation/stagger/time-st...Time staggering
/documentation/stagger/values-...Values staggering
/documentation/stagger/timelin...Timeline positions staggering
/documentation/draggable/dragg...Versatile settings
/documentation/draggable/dragg...Comprehensive callbacks
/documentation/draggable/dragg...Useful methods
/documentation/timeline/add-an...Synchronise animations
/documentation/timeline/time-p...Advanced time positions
/documentation/timeline/timeli...Playback settings
/documentation/scope/scope-par...Media queries
/documentation/scope/scope-par...Custom root element
/documentation/scope/register-...Scopped methods
/documentation/getting-startedGetting started
/documentation/timerTimer
/documentation/animationAnimation
/documentation/timelineTimeline
/documentation/animatableAnimatable
/documentation/draggableDraggable
/documentation/scrollScroll
/documentation/scopeScope
/documentation/staggerStagger
/documentation/svgSVG
/documentation/utilitiesUtils
/documentation/web-animation-apiWAAPI
https://x.com/juliangarnierNew window External X / Twitter
https://bsky.app/profile/anime...New window External Bluesky
https://github.com/juliangarni...New window External Text duplicate GitHub
https://codepen.io/collection/...New window External CodePen
https://animejs.com/Text duplicate Anime.js | JavaScript Animation Engine
IMG-ALT anime.js logo v4
https://juliangarnier.com/New window External Julian Garnier

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://animejs.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 is excellent with 0.13 seconds.
The file size of the HTML document is fine (43 kB).

HTTP Response Header

NameValue
serverGitHub.com
content-typetext/html; charset=utf-8
last-modifiedFri, 25 Apr 2025 07:03:34 GMT
access-control-allow-origin*
etagW/"680b33c6-abe6"
expiresTue, 10 Jun 2025 10:04:47 GMT
cache-controlmax-age=600
content-encodinggzip
x-proxy-cacheMISS
x-github-request-idD4C0:2E4F61:1133289:115C2EF:684800E7
accept-rangesbytes
age362
dateWed, 25 Jun 2025 18:17:59 GMT
via1.1 varnish
x-served-bycache-fra-eddf8230151-FRA
x-cacheHIT
x-cache-hits0
x-timerS1750875480.692874,VS0,VE1
varyAccept-Encoding
x-fastly-request-ida0cce8e588fc0d61e9e1a0ddb9028cef432a557c
content-length8400
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 1,343 referring domains.
This page has 21,559 backlinks.
This page has backlinks from 1,015 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

animejs.com
Anime.js | JavaScript Animation Engine
A fast and versatile JavaScript animation library

Most important keywords

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

KeywordResultRecheck
Animation77%Check
Anime77%Check
JavaScript Animation77%Check
JavaScript73%Check
JavaScript Animation Engine73%Check
Engine66%Check
versatile JavaScript60%Check
versatile46%Check
library46%Check
animejs46%Check
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