webtelemetry.dev
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Technology · Third-party services

FirstImpression.io

Not part of a site's own stack, so it is counted separately from what sites are built with.

Websites1working, as of their last visit
Found this week1first seen in the last 7 days
New launches0domains registered in the last 30 days
Over time

New websites using FirstImpression.io, per day

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

Not enough history yet: trends appear once there are at least two days of data.

Cite

Cite this figure

webtelemetry.dev. (2026). New websites using FirstImpression.io, per day [Data set]. Retrieved September 28, 2026, from https://webtelemetry.dev/tech/firstimpression-io#fig-new-websites-using-firstimpression-io-per-day

Figures as of 28 September 2026, 17:23 UTC. They change as new sites are checked, so keep the date with them. Link to this figure

Hosting

Where they are hosted

France 1
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 28, 2026, from https://webtelemetry.dev/tech/firstimpression-io#fig-where-they-are-hosted

Figures as of 28 September 2026, 17:23 UTC. They change as new sites are checked, so keep the date with them. Link to this figure

Stack

Often used alongside FirstImpression.io

Apache 100.0%
jQuery 100.0%
PHP 100.0%
Amazon CloudFront 100.0%
All in One SEO 100.0%
Amazon Web Services 100.0%
Animate.css 100.0%
Contact Form 7 100.0%
Debian 100.0%
WordPress 100.0%
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 FirstImpression.io [Data set]. Retrieved September 28, 2026, from https://webtelemetry.dev/tech/firstimpression-io#fig-often-used-alongside-firstimpression-io

Figures as of 28 September 2026, 17:23 UTC. They change as new sites are checked, so keep the date with them. Link to this figure

Recently seen websites using FirstImpression.io