⚡ Public CDN in Spain

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.

Spain is a Southern European country with a population of around 48 million people.

According to our research, public CDNs are used on 39.3% of websites from Spain.

Statistics based on 106K+ analyzed websites. About this data

⭐ Most Popular in 2026

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

The most popular is Gstatic, which dominates the market with a substantial 61.8% share.
It is followed by Cdnjs with 20.6% and jsDelivr with 16.2%.

Gstatic 61.8%
Cdnjs 20.6%
jsDelivr 16.2%
Google Hosted Libraries 15.5%
BootstrapCDN 10.1%
jQuery CDN 9.3%
Unpkg 6.7%
Microsoft Ajax CDN 0.4%
Ionic Framework CDN 0.3%
RawGit 0.2%
FlagCDN 0.1%
JSPM 0.06%
Yastatic 0.03%
Githack 0.03%
Statically 0.02%

🚀 Highlights

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

3. jsDelivr ^(-1)
8. Microsoft Ajax CDN ^(-1)
10. RawGit ^(-1)
11. FlagCDN ^(-1)
12. JSPM ^(-3)
14. Githack ^(-5)
15. Statically ^(-3)
16. Skypack ^(-1)
18. AI Studio CDN ^(-3)

✨ Best Public CDNs

Below is a more detailed list of 18 public CDNs used on sites from Spain, 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	61.8%
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	20.6%
3	jsDelivr Barnet, England, United Kingdom A free public content delivery network service for open-source software projects. Free	16.2%
4	Google Hosted Libraries Mountain View, California, United States A public content delivery network operated by Google that serves popular open-source JavaScript libraries. Free	15.5%
5	BootstrapCDN Barnet, England, United Kingdom The recommended CDN for Bootstrap, Font Awesome, Bootswatch and Bootstrap Icons, backed by jsDelivr. Free	10.1%
6	jQuery CDN San Francisco, California, United States A content delivery network that hosts the jQuery library. Free	9.3%
7	Unpkg Carlsbad, California, United States A global content delivery network that serves files directly from public Npm packages. Free	6.7%
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	0.4%
9	Ionic Framework CDN Madison, Wisconsin, United States A free, fast, and reliable CDN for Ionic framework. Free	0.3%
10	RawGit Portland, Oregon, United States A public CDN for serving files from raw.githubusercontent.com with the correct content types. FreeLegacy	0.2%
11	FlagCDN Prague, Czechia A free CDN service for images of flags of all countries and US states. Free	0.1%
12	JSPM Victoria, British Columbia, Canada A Javascript CDN built to support import maps with maximum performance featuring. Free	0.06%
13	Yastatic Moscow, Russia A public CDN service provided by the Russian search engine Yandex. Free	0.03%
14	Githack Source code caching CDN with proper Content-Type headers backed by Cloudflare's global network. Free	0.03%
15	Statically Yogyakarta, Indonesia A free CDN for developers that serves files from GitHub, GitLab, and Bitbucket. Free	0.02%
16	Skypack Delaware, United States A JavaScript delivery network for modern web apps. Free	0.01%
17	esm.sh A JavaScript content delivery network powered by Cloudflare that serves NPM packages as native ES modules for browsers and Deno without local installation or builds. FreeOpen source	0.01%
18	AI Studio CDN Mountain View, California, United States A Google-hosted mirror of the open-source esm.sh JavaScript CDN. Free	0.005%

👉 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 106,427 websites from Spain.
We currently track the presence of 21 public CDNs across the web.
Of these, 18 were detected on websites from Spain.
Statistics were last calculated on November 12, 2026.
For more details, see our methodology and disclaimer.