Google library set for building progressive web app service workers and caching strategies.
Get told when a new site ships with Workbox.
Stackdar watches every launch we detect and sends you the ones using Workbox, by email, Slack or webhook. On every plan, from £15 a month.
See how alerts work2,398 sites
2,331 found by StackScope, 67 via launch platforms
- StackScope Wider Web 1,605
- StackScope Discovery (Indie) 726
- Product Hunt 48
- Other 10
- PeerPush 6
- Hacker News 3
Workbox has been detected on 2,398 launches we've crawled, with 779 of those in September 2026 (0.1% of the month's launches so far). The 7-day rolling share is 0.1%, roughly steady week on week. Most recent detection: Encre — 2D animation & storyboard software, today.
It's most commonly paired with HSTS, React, and Cloudflare DNS. By product type, the launches using it are most often Health (14%), Productivity (13%), and Education (11%). By domain ending, launches using it are 2.5 times as likely as the average launch to live on a .me domain. The 61 scored launches using Workbox average a StackScope score of 7.4 out of 10, against 6.4 across all launches we score.
What kind of products ship with Workbox
822 launches
Domain endings using Workbox
2,393 sites
- .com 42.54%
- .app 18.76%
- .in 4.55%
- .online 3.43%
- .ai 3.34%
- .net 2.67%
- .me 2.21%
- .dev 2.05%
- .co 1.92%
- .io 1.92%
- .org 1.80%
- .ca 1.76%
- .site 1.59%
- .uk 1.59%
- .xyz 1.46%
Country
13 of 2,398 sites, where we are confident of the country.
-
India 38.46%
-
United States 23.08%
-
France 15.38%
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Hong Kong SAR China 7.69%
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Malaysia 7.69%
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Pakistan 7.69%
Share of new sites using Workbox
Each dot is one launch day. Line is the 7-day rolling average; weekly averages before June 2026. Chart starts at first detection.
The shaded part of the chart is measured against a different set of sites. Until 8 July 2026 we only tracked launches from launch platforms; from that date we crawl the wider web as well. The share is a proportion of whatever we were tracking at the time, so it can step at that line without the technology itself changing. For a single continuous measure, switch to launch platforms.
How StackScope detects technologies
⋮ Jul 1, 2026: Adoption figures now count launches from launch platforms. Use the source view to include StackScope Discovery.
Javascript Library leaders
| Tool | % of launches | % of category | ||
|---|---|---|---|---|
| #1 | – |
|
14.61% | 35.55% |
| #2 | – |
|
6.34% | 15.43% |
| #3 | – |
|
5.95% | 14.48% |
| #4 | – |
|
4.13% | 10.04% |
| #5 | – |
|
3.74% | 9.10% |
| … | ||||
| #77 | ▼24 |
|
0.06% | 0.15% |
Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any Javascript Library tool.Among August launches it ranked #80 in Javascript Library, down from #56 in July. All 1318 in Javascript Library →
Recent launches we can show
793 of the 2,398 sites using Workbox are product launches we list individually. The other 1,605 are sites we found crawling the wider web: they count towards the figures above, but we do not publish them one by one. How StackScope Discovery works
NFMX
Showing the most recent 12 of 793.
The StackScope API serves all 2,398 sites using Workbox, filterable and exportable, from £15 a month.