Website review chartjs.org
Chart.js | Open source HTML5 Charts for your website
Generated on March 04 2026 09:48 AM
Old data? UPDATE !
The score is 57/100
SEO Content
Title
Chart.js | Open source HTML5 Charts for your website
Length : 52
Perfect, your title contains between 10 and 70 characters.
Description
Simple yet flexible JavaScript charting library for the modern web
Length : 66
Ideally, your meta description should contain between 70 and 160 characters (spaces included). Use this free tool to calculate text length.
Keywords
Very bad. We haven't found meta keywords on your page. Use this free online meta tags generator to create keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| type | website |
| title | Chart.js |
| description | Simple yet flexible JavaScript charting library for the modern web |
| image | https://www.chartjs.org/img/cover.png |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 2 | 10 | 4 | 0 | 0 |
- [H1] Chart.js
- [H2] Simple yet flexible JavaScript charting library for the modern web
- [H2] Find Chart.js on GitHub or Read detailed documentation
- [H3] New in 4.0 Colors plugin
- [H3] New in 4.0 Tree-shaking
- [H3] New in 3.5 Scale stacking
- [H3] New in 3.4 Subtitle plugin
- [H3] New in 3.1 Line segment styling
- [H3] New in 3.0 Advanced animations
- [H3] New in 3.0 Performance!
- [H3] New in 2.0 Mixed chart types
- [H3] New in 2.0 New chart axis types
- [H3] New in 2.0 Animate everything!
- [H4] Open source
- [H4] 8 Chart types
- [H4] HTML5 Canvas
- [H4] Responsive
Images
We found 7 images on this web page.
5 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio
Ratio : 19%
Good, this page's ratio of text to HTML code is higher than 15, but lower than 25 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 10 links including 1 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Get Started | Internal | Passing Juice |
| Samples | Internal | Passing Juice |
| Ecosystem | External | Passing Juice |
| GitHub | External | Passing Juice |
| Default palette | Internal | Passing Juice |
| necessary components | Internal | Passing Juice |
| plugin | Internal | Passing Juice |
| decimation plugin | Internal | Passing Juice |
| transitions | Internal | Passing Juice |
| these contributors. | External | Passing Juice |
SEO Keywords
Keywords Cloud
plugin charts chartjs new datasets all chart types performance line
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| new | 12 |  |
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| chartjs | 6 | |
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| plugin | 5 | |
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| performance | 3 | |
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| datasets | 3 | |
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Usability
Url
Domain : chartjs.org
Length : 11
Favicon
Great, your website has a favicon.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
You have not specified the document's charset. Use this free meta tags generator to declare document's charset.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Great no email address has been found in plain text!
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
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Excellent, your website doesn't use nested tables. |
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Perfect. No inline css has been found in HTML tags! |
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Great, your website has few CSS files. |
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Perfect, your website has few JavaScript files. |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Missing
Your website does not have an XML sitemap - this can be problematic.
A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more intelligently.
Robots.txt
https://chartjs.org/robots.txt
Great, your website has a robots.txt file.
Analytics
Great, your website has an analytics tool.
Google Analytics |
PageSpeed Insights
Device
Categories
Free SEO Testing Tool
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