Sites built with UPNG.js
PNG image encoder and decoder with support for lossy compression.
8 sites
5 found by StackScope, 3 via launch platforms
- StackScope Discovery (Indie) 4
- StackScope Wider Web 1
- Product Hunt 3
UPNG.js has been detected on 3 launches since first appearing in June 2026. Most recent detection: PixelShrink Pro, today.
It's most commonly paired with HSTS, Google Search Console, and Vercel.
Share of new launches using UPNG.js
Each dot is one launch day. Line is the 7-day rolling average. Chart starts at first detection.
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 | – |
Motion
|
5.85% | 30.28% |
| #2 | ▲1 |
React Router
|
4.47% | 23.13% |
| #3 | ▼2 |
jQuery
|
4.25% | 22.02% |
| #4 | – |
TanStack Router
|
1.78% | 9.23% |
| #5 | ▲3 |
Zod
|
1.27% | 6.56% |
| … | ||||
| #199 | ▼63 |
UPNG.js
Current page
|
<0.01% | 0.02% |
Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any Javascript Library tool.Among July launches it ranked #188 in Javascript Library, down from #125 in June. All 364 in Javascript Library →
Often used with
| Tool | Launches |
|---|---|
| HSTS | 3 |
Google Search Console
|
2 |
Vercel
|
2 |
Google Fonts
|
2 |
jsDelivr
|
2 |
Tools most often detected on the same launches as UPNG.js.
