⚡ Public CDN in the United Kingdom

Public CDNs are content delivery networks that cache and serve commonly used web assets, such as open-source JavaScript libraries, fonts, and CSS frameworks, to the public at no cost.

The United Kingdom of Great Britain and Northern Ireland (UK) is a Western European country with a population of over 67 million people.

According to our research, public CDNs are used on 40% of websites from the United Kingdom.

Statistics based on 158K+ analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the top public CDNs in the United Kingdom in 2026, based on market share.

The most popular is Gstatic with a substantial share of 52.7%, followed by Cdnjs with 27.5% and Google Hosted Libraries with 23%.

Gstatic 52.7%
Cdnjs 27.5%
Google Hosted Libraries 23%
jsDelivr 19.5%
BootstrapCDN 12.8%
jQuery CDN 12.1%
Unpkg 7.6%
Microsoft Ajax CDN 1.4%
RawGit 0.3%
Ionic Framework CDN 0.3%
FlagCDN 0.1%
Yastatic 0.08%
JSPM 0.06%
Statically 0.04%
Skypack 0.03%

🚀 Highlights

Here is a list of the top public CDNs that are more popular in the United Kingdom than worldwide.
Differences between global and country rankings are shown in parentheses.

8. Microsoft Ajax CDN ^(-1)
9. RawGit ^(-2)
11. FlagCDN ^(-2)
13. JSPM ^(-2)
14. Statically ^(-2)
15. Skypack ^(-2)
16. Githack ^(-2)
18. RTLCSS CDN ^(-1)

✨ Best Public CDNs

Below is a more detailed list of 18 public CDNs used on sites from the United Kingdom, ranked by their market share.

Rank	Name	Market share
1	Gstatic Mountain View, California, United States A content delivery network service owned by Google that hosts static web assets to reduce bandwidth usage and improve load performance. Free	52.7%
2	Cdnjs Brisbane, Australia A free content delivery network for web development libraries that serves JavaScript, CSS and other static assets from Cloudflare's global edge network. Free	27.5%
3	Google Hosted Libraries Mountain View, California, United States A public content delivery network operated by Google that serves popular open-source JavaScript libraries. Free	23%
4	jsDelivr Barnet, England, United Kingdom A free public content delivery network service for open-source software projects. Free	19.5%
5	BootstrapCDN Barnet, England, United Kingdom The recommended CDN for Bootstrap, Font Awesome, Bootswatch and Bootstrap Icons, backed by jsDelivr. Free	12.8%
6	jQuery CDN San Francisco, California, United States A content delivery network that hosts the jQuery library. Free	12.1%
7	Unpkg Carlsbad, California, United States A global content delivery network that serves files directly from public Npm packages. Free	7.6%
8	Microsoft Ajax CDN Redmond, Washington, United States The Microsoft Ajax content delivery network hosts popular JavaScript libraries such as jQuery, jQuery UI, and ASP.NET Ajax. Free	1.4%
9	RawGit Portland, Oregon, United States A public CDN for serving files from raw.githubusercontent.com with the correct content types. FreeLegacy	0.3%
10	Ionic Framework CDN Madison, Wisconsin, United States A free, fast, and reliable CDN for Ionic framework. Free	0.3%
11	FlagCDN Prague, Czech Republic A free CDN service for images of flags of all countries and US states. Free	0.1%
12	Yastatic Moscow, Russia A public CDN service provided by the Russian search engine Yandex. Free	0.08%
13	JSPM Victoria, British Columbia, Canada A Javascript CDN built to support import maps with maximum performance featuring. Free	0.06%
14	Statically Yogyakarta, Indonesia A free CDN for developers that serves files from GitHub, GitLab, and Bitbucket. Free	0.04%
15	Skypack Delaware, United States A JavaScript delivery network for modern web apps. Free	0.03%
16	Githack Source code caching CDN with proper Content-Type headers backed by Cloudflare's global network. Free	0.01%
17	Staticfile CDN Shanghai, China A Chinese public content delivery network for open source libraries. Free	0.006%
18	RTLCSS CDN Jordan A public CDN from RTLCSS. Free	0.002%

👉 See Also

🌎 Public CDN in other countries

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 158,927 websites from the United Kingdom.
We currently track the presence of 19 public CDNs across the web.
Of these, 18 were detected on websites from the United Kingdom.
Statistics were last calculated on April 5, 2026.
For more details, see our methodology and disclaimer.