webtelemetry.dev
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Technology · E-commerce

Fast Simon

Websites38working, as of their last visit
Found this week38first seen in the last 7 days
New launches0domains registered in the last 30 days
Over time

New websites using Fast Simon, per day

Websites first seen each day. The line starts on the first day of data.

0 21 4109-2709-2809-292026-09-27 - Fast Simon: 02026-09-28 - Fast Simon: 372026-09-29 - Fast Simon: 1
Fast Simon
Cite

Cite this figure

webtelemetry.dev. (2026). New websites using Fast Simon, per day [Data set]. Retrieved September 29, 2026, from https://webtelemetry.dev/tech/fast-simon#fig-new-websites-using-fast-simon-per-day

Figures as of 29 September 2026, 00:48 UTC. They change as new sites are checked, so keep the date with them. Link to this figure

Hosting

Where they are hosted

United States 9
Server country. Sites behind a CDN have no single location
Cite

Cite this figure

webtelemetry.dev. (2026). Where they are hosted [Data set]. Retrieved September 29, 2026, from https://webtelemetry.dev/tech/fast-simon#fig-where-they-are-hosted

Figures as of 29 September 2026, 00:48 UTC. They change as new sites are checked, so keep the date with them. Link to this figure

Stack

Often used alongside Fast Simon

Cloudflare 97.3%
Klaviyo 81.1%
Shopify 70.3%
Apple Pay 64.9%
Let's Encrypt 64.9%
jQuery 64.9%
Google Font API 56.8%
Venmo 40.5%
Microsoft 365 37.8%
Yotpo Reviews 37.8%
Share of these websites that also use each, from a sample of up to 200,000 sites
Cite

Cite this figure

webtelemetry.dev. (2026). Often used alongside Fast Simon [Data set]. Retrieved September 29, 2026, from https://webtelemetry.dev/tech/fast-simon#fig-often-used-alongside-fast-simon

Figures as of 29 September 2026, 00:48 UTC. They change as new sites are checked, so keep the date with them. Link to this figure

Recently seen websites using Fast Simon