How many companies use Astro?

TechLeads currently detects Astro on 133,547 websites. HTTP Archive's monthly crawl, a separate dataset, detected it on 295,607 pages in September 2026.

Who are Astro's biggest competitors?

By number of websites, the largest JavaScript frameworks technologies besides Astro are React (3,922,164), GSAP (2,254,026), Vue.js (1,903,238), Next.js (1,036,081), RequireJS (797,447).

Which companies use Astro?

Websites using Astro include calendly.com, vg.no, ikea.com, manoramaonline.com, telegraph.co.uk, kleinanzeigen.de. The full list of 133,547 websites can be exported as a CSV for $29.

Astro market share and customers

As of October 9, 2026, Astro is used by 133,547 websites in the TechLeads index: 0.79% of all JavaScript frameworks detections, the 24th most-used of 79 JavaScript frameworks technologies.

133,547

websites using Astro

0.79%

share of JavaScript frameworks

#24

of 79 in JavaScript frameworks

Cite this data

Quoting these numbers? Credit TechLeads with a link to this page.

Citation

TechLeads. "Astro Customers and Market Share." Data as of October 9, 2026. https://techleads.fyi/technology/astro/market-share

HTML link

<a href="https://techleads.fyi/technology/astro/market-share">Astro market share (TechLeads data)</a>

Astro vs competitors in JavaScript frameworks

Websites using each technology in the TechLeads index, and its share of all JavaScript frameworks detections.

#	Technology	Websites	Share
1	React	3,922,164	23.0%
2	GSAP	2,254,026	13.2%
3	Vue.js	1,903,238	11.2%
4	Next.js	1,036,081	6.1%
5	RequireJS	797,447	4.7%
6	WOW	695,377	4.1%
7	styled-components	473,560

Astro usage over time

In HTTP Archive's monthly crawl of public websites, Astro was detected on 295,607 pages in September 2026, up 195.2% from a year earlier. Among the 1,000 most-visited sites, it appeared on 26. HTTP Archive is a separate dataset from the TechLeads index, so its numbers are not added to ours.

Same month, other JavaScript Frameworks technologies in HTTP Archive: React 7,210,181, GSAP 4,697,200, Vue.js 2,655,312, Next.js 2,090,368, Next.js App Router 1,514,274.

Astro customers by country

Based on country-code domains (such as .de or .co.uk); websites on .com and other generic domains are not assigned a country.

US43
GB37
DE33
JP27
NO27
BR19
AU19
ES10
IN9
CO8

Companies using Astro

calendly.com
vg.no
ikea.com · IKEA
manoramaonline.com · Local News
telegraph.co.uk · The Telegraph
kleinanzeigen.de
gismeteo.ru
getbootstrap.com
proton.me
gitter.im
nordvpn.com · NordVPN
swagger.io · Swagger

See all 133,547 websites using Astro or download the full list as a CSV for $29.

How these numbers are calculated

TechLeads scans public websites and detects Astro from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is Astro's website count divided by the website counts of all JavaScript frameworks technologies we track; a site using two JavaScript frameworks tools counts for both. Counts were last refreshed on October 9, 2026 and update daily.

FAQ

Astro accounts for 0.79% of JavaScript frameworks detections in the TechLeads index (133,547 websites), which makes it the 24th most-used of 79 JavaScript frameworks technologies we track.