2026-08-01 crawl · observed, not inferred
Technology used by 4qrcode.com
15
technologies detected
Full detected stack
Everything detected on this domain in the latest monthly crawl, grouped by what it does. ↩ marks when we first observed it — no later than that date, not necessarily when they adopted it. Faded dates were seen in fewer than four crawls.
JavaScript libraries
UI frameworks
Payment processors
Web servers
Security
Font scripts
Webmail
Tag managers
Analytics
Advertising
Cookie compliance
Who else runs this stack?
Build a list of companies using any of these, filtered by size, industry and country — with every prospect's full stack attached.
Build a list →