What powers customer.io?
Last seen Jun 2026 · 85 technologies across 34 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| customer | #5 | 3,900 |
| aha moment | #4 | 400 |
| customer.io | #1 | 270 |
| cust | #67 | 170 |
| nps survey | #7 | 56 |
| what is a push notification | #30 | 47 |
| customer.io jobs | #4 | 47 |
| mailto link | #11 | 40 |
| ad placeholder | #9 | 36 |
| braze | #60 | 35 |
| what are push notifications | #27 | 35 |
| data-driven marketing platform | #2 | 34 |
| customer.io login | #1 | 33 |
| calendar invite generator | #2 | 28 |
| create add to calendar link | #1 | 27 |
| define aha moment | #7 | 26 |
| io contact | #3 | 25 |
| email lifecycle marketing | #2 | 23 |
| klar | #19 | 22 |
| link add to calendar | #1 | 21 |
| generate google calendar link | #1 | 21 |
| double opt-in email examples | #1 | 21 |
| customer your | #1 | 21 |
| data-driven marketing platforms | #3 | 20 |
| pillpack | #76 | 19 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 99% desktop
- 1% phone
United States
Germany
United Kingdom
France
Italy
Canada
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
8.04 / 10 · ranked #6,726 of all domains
2,065 referring domains · OpenPageRank
Search traffic
6,600 est. monthly organic visits (US)
2,613 keywords in Google's top 30
Core Web Vitals
| LCP | 4 s |
| INP | 300 ms |
| CLS | 0.1 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 1.8 MB · 127 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.customer.io | 52 |
| customer.io | 36 |
| learn.customer.io | 35 |
| docs.customer.io | 31 |
| fly.customer.io | 26 |
| www.try.customer.io | 26 |
| community.customer.io | 21 |
| fly-eu.customer.io | 20 |
| unpacked.customer.io | 15 |
| referrals.customer.io | 14 |
| links-eu.customer.io | 11 |
| links.customer.io | 11 |
| track-eu.customer.io | 11 |
| track.customer.io | 11 |
Full technology history →
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Recent changes
- detected LottieFiles Apr 2026
- dropped Highlight.js Feb 2026
- dropped KaTeX Feb 2026
- dropped lit-element Feb 2026
- dropped lit-html Feb 2026
- detected Mixpanel Dec 2025
- dropped Wistia Sep 2025