CallRail
CallRail in each crawled group, and in the wider sample. Call Tracking.
| Group | Crawled | Running CallRail | Share |
|---|---|---|---|
| Inc 5000 (2026) | 4,886 | 274 | 5.6% |
| Y Combinator companies | 5,386 | 5 | 0.1% |
| Fortune 500 | 472 | n/a | n/a |
| Unicorns | 1,000 | <5 | <5 |
| SaaS companies | 8,173 | 8 | 0.1% |
| Tranco top 10,000 | 1,572 | n/a | n/a |
| Wider sample | 8,291 | n/a | n/a |
Group rows come from rendered homepage crawls; the wider sample is a plain fetch, so it undercounts tools a tag manager injects after the page loads. <5 means fewer than 5 crawled domains in that group. Method · Call Tracking across all groups · CallRail number swap script loaded per company.
Cite this
Installmap, CallRail adoption, crawl of 2026-09-03, https://installmap.com/tools/callrail.