Website review sigmajs.org
Sigma.js
Generated on March 12 2026 20:45 PM
Old data? UPDATE !
The score is 60/100
SEO Content
Title
Sigma.js
Length : 8
Ideally, your title should contain between 10 and 70 characters (spaces included). Use this free tool to calculate text length.
Description
a JavaScript library aimed at visualizing graphs of thousands of nodes and edges
Length : 80
Great, your meta description contains between 70 and 160 characters.
Keywords
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Og Meta Properties
This page does not take advantage of Og Properties. This tags allows social crawler's better structurize your page. Use this free og properties generator to create them.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 11 | 23 | 0 | 0 | 0 |
- [H1] sigma.js
- [H2] See sigma.js in action
- [H2] Architecture
- [H2] Quick start
- [H2] Use cases
- [H2] Display
- [H2] Explore
- [H2] Interact
- [H2] Customize
- [H2] Frequently asked questions
- [H2] Go further
- [H2] In the wild
- [H3] graphology
- [H3] sigma.js
- [H3] your ♥ web app
- [H3] How can I obtain drawable data from a CSV?
- [H3] What graph algorithms are implemented in sigma.js?
- [H3] Why should I use sigma.js and not d3.js?
- [H3] Can I use sigma.js in my React application?
- [H3] And within an Angular application?
- [H3] I want to know more
- [H3] I have a problem
- [H3] I want to help
- [H3] Gephi Lite
- [H3] GraphCommons
- [H3] Retina
- [H3] Polinode
- [H3] G.V()
- [H3] ipysigma
- [H3] Hyphe
- [H3] Kenelyze
- [H3] BloodHound
- [H3] Scovery
- [H3] MARVEL graphs
- [H3] Helveg
Images
We found 17 images on this web page.
10 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 : 49%
Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Too Bad, you have Iframes on the web pages, this mean that content in an Iframe cannot be indexed.
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 41 links including 5 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Documentation | Internal | Passing Juice |
| Examples | Internal | Passing Juice |
| Architecture | Internal | Passing Juice |
| Quick start | Internal | Passing Juice |
| Use cases | Internal | Passing Juice |
| FAQ | Internal | Passing Juice |
| Go further | Internal | Passing Juice |
| In the wild | Internal | Passing Juice |
| open demo | Internal | Passing Juice |
| open demo sources | External | Passing Juice |
| graphology | External | Passing Juice |
| quickstart guide | Internal | Passing Juice |
| Try this CodeSandbox | External | Passing Juice |
| GEXF graph file | External | Passing Juice |
| Gephi | External | Passing Juice |
| Open in Storybook | Internal | Passing Juice |
| Open in Storybook | Internal | Passing Juice |
| Open in Storybook | Internal | Passing Juice |
| Open in Storybook | Internal | Passing Juice |
| this example | Internal | Passing Juice |
| ForceAtlas2 layout | External | Passing Juice |
| various metrics | External | Passing Juice |
| community detection | External | Passing Juice |
| in the documentation | External | Passing Juice |
| d3.js | External | Passing Juice |
| React | External | Passing Juice |
| @react-sigma | External | Passing Juice |
| Angular | External | Passing Juice |
| this repository | External | Passing Juice |
| StackOverflow | External | Passing Juice |
| opening a new GitHub issue | External | Passing Juice |
| our contribution guide | External | Passing Juice |
| existing issues | External | Passing Juice |
| Sciences-Po médialab | External | Passing Juice |
| OuestWare | External | Passing Juice |
| @sigmajs@vis.social on mastodon | External | Passing Juice |
| github.com/jacomyal/sigma.js | External | Passing Juice |
| the MIT License | External | Passing Juice |
| Hauroa Sans | External | Passing Juice |
| Public Sans | Internal | Passing Juice |
| Cascadia Code | External | Passing Juice |
SEO Keywords
Keywords Cloud
open data sigmajs graphology application graph nodes web graphs want
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| sigmajs | 13 |  |
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| graph | 10 | |
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| graphs | 8 | |
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| web | 7 | |
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| want | 6 | |
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Usability
Url
Domain : sigmajs.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
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Warning! At least one email address has been found in the plain text. Use free antispam protector to hide email from spammers.
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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Too bad, your website is using inline styles. |
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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
Great, your website has an XML sitemap.
| https://www.sigmajs.org/sitemap.xml |
Robots.txt
https://sigmajs.org/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
We didn't detect an analytics tool installed on this website.
Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.
PageSpeed Insights
Device
Categories
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