jsdelivr.com

Website review jsdelivr.com

jsDelivr - A free, fast, and reliable CDN for JS and open source

 Generated on March 03 2026 23:52 PM

Old data? UPDATE !

The score is 60/100

SEO Content

Title

jsDelivr - A free, fast, and reliable CDN for JS and open source

Length : 64

Perfect, your title contains between 10 and 70 characters.

Description

Optimized for JS and ESM delivery from npm and GitHub. Works with all web formats. Serving more than 150 billion requests per month.

Length : 132

Great, your meta description contains between 70 and 160 characters.

Keywords

jsdelivr, cdn, npm, github, js, javascript, free, open source, oss, deno, wordpress

Good, your page contains meta keywords.

Og Meta Properties

Good, your page take advantage of Og Properties.

Property Content
title jsDelivr - A free, fast, and reliable CDN for JS and Open Source
description Optimized for JS and ESM delivery from npm and GitHub. Works with all web formats. Serving more than 150 billion requests per month.
url https://www.jsdelivr.com/
image /assets/e50ddbb3d3b1a0c397d33d63a2d25b24bd2d0d89/img/og-jsdelivr.png
image:secure_url /assets/e50ddbb3d3b1a0c397d33d63a2d25b24bd2d0d89/img/og-jsdelivr.png

Headings

H1 H2 H3 H4 H5 H6
1 1 6 1 2 12
  • [H1] A free CDN for open source projects
  • [H2] Built for production
  • [H3] 150 billion requests
  • [H3] over 5 000 TB
  • [H3] A free API for all your NPM and ESM needs
  • [H3] Learn more about the infrastructure that powers jsDelivr
  • [H3] A New-Age CDN forJavaScript modules
  • [H3] Analytics and Stats
  • [H4] Developer Friendly
  • [H5] Custom CDN Endpoints
  • [H5] jsDelivr is used by millions of websites globally
  • [H6] Four CDN & three DNS providers
  • [H6] More than 540 points of presence
  • [H6] Low latency "Near China" network
  • [H6] Smart load-balancing and routing
  • [H6] Multi-layer cache and failover
  • [H6] Formal ToS and Privacy Policy
  • [H6] Usage statistics
  • [H6] Combine multiplefiles on-demand
  • [H6] Minify files on-demand
  • [H6] Source map support
  • [H6] Version aliasing
  • [H6] MultipleIDE Integrations

Images

We found 76 images on this web page.

76 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 : 10%

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

Great, there are no Iframes detected on this page.

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 28 links including 7 link(s) to files

Anchor Type Juice
About Us Internal Passing Juice
Network Internal Passing Juice
Stats Internal Passing Juice
Sponsors Internal Passing Juice
Purge cache Internal Passing Juice
GitHub Internal Passing Juice
Google Hosted Libraries Internal Passing Juice
unpkg Internal Passing Juice
Skypack Internal Passing Juice
esm.sh Internal Passing Juice
esm.run Internal Passing Juice
Open Source CDN Internal Passing Juice
Public API Internal Passing Juice
https://cdn.jsdelivr.net/npm/package@version/file External Passing Juice
https://cdn.jsdelivr.net/npm/jquery@3.6.4/dist/jquery.min.js External Passing Juice
https://cdn.jsdelivr.net/npm/jquery@3.6/dist/jquery.min.js External Passing Juice
https://cdn.jsdelivr.net/npm/jquery@3/dist/jquery.min.js External Passing Juice
https://cdn.jsdelivr.net/npm/jquery/dist/jquery.min.js External Passing Juice
https://cdn.jsdelivr.net/npm/jquery@3.6.4/src/core.min.js External Passing Juice
https://cdn.jsdelivr.net/npm/jquery@3.6 External Passing Juice
https://cdn.jsdelivr.net/npm/jquery/ External Passing Juice
Check our infographic Internal Passing Juice
jsDelivr team and contributors Internal Passing Juice
Dmitriy Akulov External Passing Juice
Our History Internal Passing Juice
Custom OSS CDN Internal Passing Juice
Status Internal Passing Juice
Terms & Policies Internal Passing Juice

SEO Keywords

Keywords Cloud

cdn jsdelivr stats past all month files bandwidth more requests

Keywords Consistency

Keyword Content Title Keywords Description Headings
past 15
month 14
jsdelivr 8
bandwidth 7
requests 7

Usability

Url

Domain : jsdelivr.com

Length : 12

Favicon

Great, your website has a favicon.

Printability

Great. We have found 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

Excellent, your website doesn't use nested tables.
Too bad, your website is using inline styles.
Great, your website has few CSS files.
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://www.jsdelivr.com/sitemap/index.xml
https://www.jsdelivr.com/blog/sitemap.xml

Robots.txt

https://jsdelivr.com/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

Free SEO Testing Tool

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