StackBlitz WebContainer on new websites

1. StackBlitz WebContainer appeared on 4 new sites in the last 30 days.^[1]

The line is the 7-day average share of new sites that use StackBlitz WebContainer, since 10 September.

#	Movement	Tool	Share of all sites	Share of category	Bar
1	–	Vite	23.7%	98.3%
2	–	pywb (Wayback Machine toolkit)	0.1%	0.3%
3	▲1	Instant.page	0.1%	0.2%
4	▼1	Weglot	<0.1%	0.2%
5	▲2	Rack CORS	<0.1%	0.1%
…
87	▲17	StackBlitz WebContainer	<0.1%	<0.1%

All-time shares across the new sites we track: of all of them, and of the sites using any Developer Tools tool. Among September launches it ranked #99 in Developer Tools, up from #116 in August. All 506 in Developer Tools

19 of the 19 sites using StackBlitz WebContainer are product launches we list individually.

• Misar.Dev misar.dev
• Brokencode brokengpt.com
• KAZI: The AI work ecosystem that runs your entire business kazii.ai
• Proposa AI able-cardinal-54.accounts.dev
• Transitcompare bolt.new
• Novap bolt.new

Site	Found	Also detected
Misar.Dev misar.dev · AI · India	Oct 8
Brokencode brokengpt.com · Developer Tools	Oct 2
Launch — The AI Coding Platform for Kids launchkids.app	Sep 28
Easy data imports for your product — Diakrio diakrio.com · Developer Tools	Sep 20
ZIone — Build with AI zione.app · AI	Sep 17
MAXX — postulez pendant que vous faites autre chose maxx-app.com	Sep 12
React Pair reactpair.com	Aug 21
Builder builderai.ai · AI	Aug 15
KAZI: The AI work ecosystem that runs your entire business kazii.ai · Productivity	Aug 9
Proposa AI able-cardinal-54.accounts.dev	Jul 28
Transitcompare bolt.new	Jul 10
Novap bolt.new · Developer Tools	Jul 2

Showing the most recent 12 of 19.

Watches, exports and the API give you all 19 sites using StackBlitz WebContainer, from £15 a month.

1. These figures cover websites that went live since April 2026, not the web as a whole.