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Websites using Astro 4.x

Astro is a new JavaScript-based static site builder.

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10.6k live Astro 4.x sites, ready to export.

That's how many Astro 4.x websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.

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Every Astro 4.x website we detected in the United States.

Only sites where a personal, company-hosted email was found.

Sites with at least one personnel LinkedIn profile.

Start with the highest-traffic end of the dataset.

Limit results to Astro 4.x websites on .com domains.

Only sites where an organisation phone number was found.

Create your own
Versions

Which Astro 4.x versions are most used?

We could read a version number on over 99% of Astro 4.x sites. Of those, the most common are Astro 4.16.19, on 2,302 sites, Astro 4.16.18, on 1,410 sites and Astro 4.0.5, on 457 sites.

22% on v4.16.19
Versions detected
143
Sites with a version
10,622
Share of sites by version
v4.16.19 22% v4.16.18 13% v4.0.5 4% v4.11.5 2% v4.16.7 2% v4.12.2 2% v4.16.13 1% v4.2.1 1% v4.15.9 1% v4.16.10 1% v4.15.4 1% v4.9.2 1% v4.16.14 1% v4.16.16 1% v4.16.17 1% v4.11.3 1% v4.16.8 1% v4.0.8 1% v4.16.6 1% v4.7.1 1% v4.10.2 1% v4.5.16 1% v4.4.0 1% v4.14.5 1% v4.15.12 1% v4.14.2 1% v4.1.1 1% v4.6.3 1% v4.15.6 1% v4.6.1 1% v4.13.1 1% v4.1.2 1% v4.15.8 1% v4.11.0 1% v4.5.9 1% v4.9.1 1% v4.3.5 1% v4.13.3 1% v4.15.11 1% v4.15.3 1% v4.5.5 1% v4.0.3 1% v4.16.3 1% v4.4.15 1% v4.5.12 1% v4.3.2 1% v4.8.7 <1% v4.7.0 <1% v4.0.4 <1% v4.15.1 <1% v4.8.6 <1% v4.8.2 <1% v4.0.6 <1% v4.0.2 <1% v4.16.12 <1% v4.10.3 <1% v4.15.2 <1% v4.0.7 <1% v4.2.6 <1% v4.5.6 <1% v4.4.6 <1% v4.4.5 <1% v4.15.10 <1% v4.10.1 <1% v4.8.3 <1% v4.2.4 <1% v4.5.18 <1% v4.16.9 <1% v4.16.5 <1% v4.14.3 <1% v4.6.2 <1% v4.4.4 <1% v4.16.2 <1% v4.11.1 <1% v4.16.0 <1% v4.15.7 <1% v4.5.2 <1% v4.5.10 <1% v4.4.9 <1% v4.5.0 <1% v4.0.9 <1% v4.16.15 <1% v4.3.0 <1% v4.5.4 <1% v4.1.3 <1% v4.3.6 <1% v4.13.2 <1% v4.4.1 <1% v4.13.4 <1% v4.13.0 <1% v4.12.1 <1% v4.10.0 <1% v4.12.3 <1% v4.4.11 <1% v4.5.15 <1% v4.6.0 <1% v4.11.6 <1% v4.5.8 <1% v4.3.1 <1% v4.16.1 <1% v4.4.13 <1% v4.5.17 <1% v4.14.4 <1% v4.9.3 <1% v4.6.4 <1% v4.2.8 <1% v4.5.1 <1% v4.15.0 <1% v4.5.14 <1% v4.3.7 <1% v4.15.5 <1% v4.4.12 <1% v4.16.4 <1% v4.2.7 <1% v4.5.3 <1% v4.4.8 <1% v4.16.11 <1% v4.4.3 <1% v4.14.6 <1% v4.3.3 <1% v4.5.7 <1% v4.8.4 <1% v4.0.1 <1% v4.12.0 <1% v4.1.0 <1% v4.2.3 <1% v4.8.5 <1% v4.4.10 <1% v4.3.4 <1% v4.5.13 <1% v4.4.2 <1% v4.2.5 <1% v4.4.14 <1% v4.14.1 <1% v4.2.2 <1% v4.8.0 <1% v4.2.0 <1% v4.8.1 <1% v4.9.0 <1% v4.14.0 <1% v4.0.0 <1% v4.11.2 <1% v4.11.4 <1%

How many websites use Astro 4.x?

We found Astro 4.x on 10,628 websites in our September 2026 crawl, across 114 countries.

Which countries use Astro 4.x the most?

By number of websites, the top countries are United States (36%, 3,781 sites), Germany (4%, 466 sites), China (4%, 401 sites), Japan (2%, 257 sites) and France (2%, 252 sites). Together they account for 49% of the 10,628 Astro 4.x sites we track. 54% of the sites are in English, and .com is the most used domain ending, on 42% of them.

Where are Astro 4.x websites hosted?

The networks carrying the most Astro 4.x sites are Amazon.com, Inc. (4,072 sites), Cloudflare, Inc. (2,910 sites) and Fastly, Inc. (583 sites).

What technologies are used with Astro 4.x?

Across the 10,628 Astro 4.x sites we track, the technologies most often found alongside it are HSTS (50%, 5,344 sites), HTTP/3 (35%, 3,680 sites), Cloudflare (31%, 3,264 sites), Cloudflare Browser Insights (23%, 2,497 sites) and Vercel (22%, 2,292 sites).

Deep Dive

Breakdown of Astro 4.x websites

What else they run, plus their language, hosting network, domain extension and country.

FAQ

Answers drawn from our latest crawl of Astro 4.x websites. Anything else, email us and we will look it up.

Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.