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Rumio on new websites

Shared authentication platform used by several small SaaS products.

9 sites via All sites #53 of 170 in Auth First seen: Aug 13, 2026 Last seen: Oct 5, 2026 Most recent launch: Lettrova | Email campaigns your store writes for you, Oct 5, 2026

Found via: StackScope Discovery (Indie) 5 · StackScope Wider Web 4

View: All sites All launches Launch platforms StackScope Discovery StackScope Wider Web

Rumio appeared on 1 new site in the last 30 days.

These figures cover websites that went live since April 2026, not the web as a whole.

Share of new sites using Rumio

Each dot is one launch day. Line is the 7-day rolling average. Chart starts at first detection.

0.0%
last 7 days
-0.0pp vs prior week
0.0%
30 days to Oct 15
-0.0pp vs 30 days before
9
sites all time
since Aug 2026
Rumio daily detection trend 10 September 2026: we improved our infrastructure to index new sites much sooner, often on the day they go live, so the cohort this share is measured against changes here. 5% 2% 0% Sep Oct Aug 6 · 0 / 39149 = 0.0% Aug 7 · 0 / 40250 = 0.0% Aug 8 · 0 / 42805 = 0.0% Aug 9 · 0 / 37780 = 0.0% Aug 10 · 0 / 32324 = 0.0% Aug 11 · 0 / 34560 = 0.0% Aug 12 · 0 / 37137 = 0.0% Aug 13 · 1 / 55471 = 0.0% Aug 14 · 0 / 56757 = 0.0% Aug 15 · 0 / 55911 = 0.0% Aug 16 · 0 / 56272 = 0.0% Aug 17 · 1 / 46106 = 0.0% Aug 18 · 0 / 56787 = 0.0% Aug 19 · 0 / 51707 = 0.0% Aug 20 · 0 / 69028 = 0.0% Aug 21 · 0 / 93872 = 0.0% Aug 22 · 0 / 94198 = 0.0% Aug 23 · 0 / 93603 = 0.0% Aug 24 · 0 / 81714 = 0.0% Aug 25 · 0 / 71541 = 0.0% Aug 26 · 0 / 66862 = 0.0% Aug 27 · 0 / 87839 = 0.0% Aug 28 · 1 / 87912 = 0.0% Aug 29 · 0 / 88070 = 0.0% Aug 30 · 2 / 100672 = 0.0% Aug 31 · 1 / 100246 = 0.0% Sep 1 · 0 / 103439 = 0.0% Sep 2 · 0 / 108916 = 0.0% Sep 3 · 1 / 103280 = 0.0% Sep 4 · 0 / 98538 = 0.0% Sep 5 · 0 / 102857 = 0.0% Sep 6 · 0 / 89273 = 0.0% Sep 7 · 0 / 86115 = 0.0% Sep 8 · 0 / 77970 = 0.0% Sep 9 · 0 / 75524 = 0.0% Sep 10 · 0 / 83671 = 0.0% Sep 11 · 1 / 85561 = 0.0% Sep 12 · 0 / 56765 = 0.0% Sep 13 · 0 / 57993 = 0.0% Sep 14 · 0 / 59232 = 0.0% Sep 15 · 0 / 58186 = 0.0% Sep 16 · 0 / 59043 = 0.0% Sep 17 · 0 / 56752 = 0.0% Sep 18 · 0 / 53084 = 0.0% Sep 19 · 0 / 45276 = 0.0% Sep 20 · 0 / 44759 = 0.0% Sep 21 · 0 / 51665 = 0.0% Sep 22 · 0 / 55407 = 0.0% Sep 23 · 0 / 58313 = 0.0% Sep 24 · 0 / 53468 = 0.0% Sep 25 · 0 / 50762 = 0.0% Sep 26 · 0 / 101519 = 0.0% Sep 27 · 0 / 52134 = 0.0% Sep 28 · 0 / 61116 = 0.0% Sep 29 · 0 / 77864 = 0.0% Sep 30 · 0 / 69720 = 0.0% Oct 1 · 0 / 69233 = 0.0% Oct 2 · 0 / 64791 = 0.0% Oct 3 · 0 / 53743 = 0.0% Oct 4 · 0 / 52059 = 0.0% Oct 5 · 1 / 63700 = 0.0% Oct 6 · 0 / 67604 = 0.0% Oct 7 · 0 / 67674 = 0.0% Oct 8 · 0 / 69330 = 0.0% Oct 9 · 0 / 70418 = 0.0% Oct 10 · 0 / 60654 = 0.0% Oct 11 · 0 / 65598 = 0.0% Oct 12 · 0 / 66657 = 0.0% Oct 13 · 0 / 71049 = 0.0% Oct 14 · 0 / 70709 = 0.0% Oct 15 · 0 / 93792 = 0.0%
Aug 6, 2026 71 days Oct 15, 2026

The shaded area was measured against a different set of sites, so the line can step there without Rumio itself changing.

Coverage details

Amber: 8 July to 10 September 2026, before we improved our infrastructure to index new sites much sooner, often on the day they go live. Sites found that early often haven't finished setting up, so anything usually added after launch reads lower from 10 September. We record each site as it was when we found it.

The share is a proportion of whatever we were tracking at the time. For a single continuous measure, switch to launch platforms.

How StackScope detects technologies

Auth leaders

Tool % of sitesall time % of categoryall time
#1 – Google Sign-In 1.7% 62.2%
#2 ▲1 Clerk 0.5% 16.8%
#3 ▼1 Auth.js 0.4% 15.9%
#4 – Google Identity Platform 0.1% 2.3%
#5 ▲4 Privy <0.1% 1.1%
…
#53 ▼20 Rumio Current page <0.1% <0.1%

Percentages show all-time adoption across the new sites we track: the share of all of them, and of the sites using any Auth tool.Among September launches it ranked #60 in Auth, down from #40 in August. All 170 in Auth →

Recent launches using Rumio

5 of the 9 sites using Rumio are product launches we list individually. The other 4 are sites we found crawling the wider web: they count towards the figures above, but we do not publish them one by one. They are included in the StackScope API and in Stackdar alerts. How StackScope Discovery works

Lettrova | Email campaigns your store writes for you Oct 5, 2026 · Marketing Also detected React Amazon SES Cloudflare Google Fonts Innscreen | Turn any TV into your guest's front desk. Sep 11, 2026 Also detected React Amazon SES Cloudflare Google Fonts UntilYes | The agent that doesn't stop until yes. Aug 31, 2026 · AI Also detected React Amazon SES Cloudflare Google Fonts Sundrly | One order, every stay—Sundrly supplies hospitality essentials. Aug 30, 2026 Also detected React Amazon SES Cloudflare Google Fonts podcasty | Podcast production, reimagined with AI. Aug 28, 2026 · Content Also detected React Cloudflare Google Fonts Lucide Icons

The StackScope API serves all 9 sites using Rumio, filterable and exportable, from £15 a month.

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