Website review jsav.io
JSAV · The JavaScript Algorithm Visualization Library
Generated on February 16 2026 10:03 AM
Old data? UPDATE !
The score is 45/100
SEO Content
Title
JSAV · The JavaScript Algorithm Visualization Library
Length : 53
Perfect, your title contains between 10 and 70 characters.
Description
Length : 0
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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 | 1 | 3 | 0 | 0 | 0 |
- [H1] JSAV
- [H2] JSAV: The JavaScript Algorithm Visualization Library
- [H3] Publications
- [H3] Presentations
- [H3] JSAV in use
Images
We found 0 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 0%
This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content.
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 43 links including 2 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| JSAV | Internal | Passing Juice |
| Getting Started | Internal | Passing Juice |
| Data Structures | Internal | Passing Juice |
| Graphical Primitives | Internal | Passing Juice |
| Code Elements | Internal | Passing Juice |
| Common Functionality | Internal | Passing Juice |
| Additional APIs | Internal | Passing Juice |
| Creating Exercises | Internal | Passing Juice |
| Showing Questions | Internal | Passing Juice |
| Project on GitHub | External | Passing Juice |
| Downloading and Installing JSAV | Internal | Passing Juice |
| Required Files and HTML | Internal | Passing Juice |
| Creating A Visualization | Internal | Passing Juice |
| Creating A Slideshow | Internal | Passing Juice |
| Array API | Internal | Passing Juice |
| Data Structures, Nodes, and Edges | Internal | Passing Juice |
| Graph API | Internal | Passing Juice |
| Linked List API | Internal | Passing Juice |
| Matrix (or, 2D Array) API | Internal | Passing Juice |
| Tree and Binary Tree API | Internal | Passing Juice |
| Circle API | Internal | Passing Juice |
| Ellipse API | Internal | Passing Juice |
| Line, Polygon, and Polyline API | Internal | Passing Juice |
| Path API | Internal | Passing Juice |
| Rectangle API | Internal | Passing Juice |
| Set API | Internal | Passing Juice |
| Pointer API | Internal | Passing Juice |
| Pseudocode API | Internal | Passing Juice |
| Variable API | Internal | Passing Juice |
| Animation Effects | Internal | Passing Juice |
| Label API | Internal | Passing Juice |
| Event Logging | Internal | Passing Juice |
| Messages API | Internal | Passing Juice |
| Settings for AVs | Internal | Passing Juice |
| Utility Functions | Internal | Passing Juice |
| Exercise API | Internal | Passing Juice |
| Tutorial - Creating a Proficiency Exercise with JSAV | Internal | Passing Juice |
| link | External | Passing Juice |
| link | External | Passing Juice |
| link | External | Passing Juice |
| link | External | Passing Juice |
| OpenDSA project | External | Passing Juice |
| sample book | External | Passing Juice |
SEO Keywords
Keywords Cloud
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|
Usability
Url
Domain : jsav.io
Length : 7
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
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
 |
Excellent, your website doesn't use nested tables. |
 |
Too bad, your website is using inline styles. |
|
Too bad, your website has too many CSS files (more than 4). |
|
Too bad, your website has too many JS files (more than 6). |
|
Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
|
Apple Icon |
|
Meta Viewport Tag |
|
Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://jsav.io/sitemap.xml |
| http://jsav.io/sitemap.xml |
Robots.txt
https://jsav.io/robots.txt
Great, your website has a robots.txt file.
Analytics
Great, your website has an analytics tool.
Google Analytics |
PageSpeed Insights
Device
Categories
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