A side-by-side comparison of two monitoring & error tracking tools, based on the 35,630 Monitoring sites tracked by Site Stats Database.
Last updated
| Metric | Pingdom RUM | Sentry |
|---|---|---|
| Websites | 717 | 9,659 |
| Market share | 2.0% | 27% |
| Share of top 10K sites | 0.12% | 0.44% |
| Share of top 100K sites |
|---|
| 0.16% |
| 0.47% |
| Rank | #10 | #2 |
|---|
| Median DR | 45 | 13 |
|---|
| Average DR | 46 | 19 |
|---|
| Median keywords | 2,014 | 423 |
|---|
| Median referring domains | 1,083 | 103 |
|---|
| Median domain age | 20 yrs | 10 yrs |
|---|
| Average domain age | 19 yrs | 12 yrs |
|---|
| Average monthly traffic | 112,246 | 227,581 |
|---|
| Combined monthly traffic | 80,480,714 | 2,198,204,042 |
|---|
Monthly snapshots of each segment, 2026-06 to 2026-07. Website counts move when our catalog grows; the share of tracked sites is normalized, so it only moves when real prevalence changes.
Websites
Share of tracked sites
Combined monthly traffic
717 websites · rank #10
Top industries
Top markets
9,659 websites · rank #2
Top industries
Top markets
Sentry is used by more websites in our catalog: 717 use Pingdom RUM and 9,659 use Sentry.
Pingdom RUM sites have the higher median Ahrefs Domain Rating (Pingdom RUM: 45, Sentry: 13).
Between 2026-06 and 2026-07, Pingdom RUM went from 0.10% to 0.08% of all tracked sites, while Sentry went from 0.82% to 1.1%. Sentry is gaining ground faster in our index.
5 websites in our catalog use both Pingdom RUM and Sentry.
Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.
Citation
Site Stats Database. "Pingdom RUM vs Sentry." Site Stats Database, July 1, 2026. https://sitestatsdb.com/technologies/monitoring/compare/pingdom-rum-vs-sentry
Site Stats Database tracks 717 websites using Pingdom RUM and 9,659 using Sentry, each enriched with full monthly traffic history, authority, keywords, referring domains, and the complete detected tech stack. We detect every monitoring / error-tracking tool by crawling each site's HTML, response headers, and DNS; traffic and SEO metrics come from DataForSEO and Ahrefs. Everything refreshes at least monthly.
See plans & pricing| English |
| 89 |
| 47,124 |
| 10,068 |
| 30 yrs |
| 7,909,230 |
| Pingdom RUM |
| firstalert.com | English | 70 | 20,616 | 3,863 | 29 yrs | 3,000,110 | Pingdom RUM |
| canvasdiscount.com | English | 51 | 37,050 | 1,574 | 16 yrs | 2,213,080 | Pingdom RUM |
| miami.gov | English | 76 | 46,116 | 6,287 | 3 yrs | 2,077,351 | Pingdom RUM |
| gottman.com | English | 84 | 35,951 | 22,755 | 27 yrs | 1,739,762 | Pingdom RUM |
| skyscrapercenter.com | English | 72 | 49,609 | 13,446 | 14 yrs | 1,322,078 | Pingdom RUM |
| reeds.com | English | 57 | 76,782 | 5,243 | 27 yrs | 1,189,980 | Pingdom RUM |
| swisswatchexpo.com | English | 62 | 55,617 | 9,168 | 16 yrs | 1,127,351 | Pingdom RUM |
| merrell.com | English | 74 | 29,631 | 8,570 | 31 yrs | 1,120,572 | Pingdom RUM |
| English |
| 94 |
| 9,214,622 |
| 1,473,314 |
| 32 yrs |
| 256,700,108 |
| Sentry |
| ikea.com | English | 91 | 1,148,354 | 275,573 | 30 yrs | 74,695,018 | Sentry |
| 24timezones.com | English | 78 | 518,032 | 14,267 | 21 yrs | 63,814,309 | Sentry |
| hbomax.com | English | 88 | 455,191 | 56,981 | 26 yrs | 27,010,674 | Sentry |
| coursera.org | English | 91 | 579,998 | 196,297 | 14 yrs | 17,942,498 | Sentry |
| plex.tv | English | 83 | 1,685,910 | 39,606 | 17 yrs | 15,648,369 | Sentry |
| deepai.org | English | 79 | 50,393 | 21,393 | 9 yrs | 12,276,296 | Sentry |
| wiki.gg | English | 78 | 703,463 | 11,316 | 8 yrs | 11,080,900 | Sentry |
| merriam.com | English | 50 | 281,315 | 3,651 | 31 yrs | 10,520,807 | Sentry |