What powers sembl.app?
Last seen Aug 2026 · 14 technologies across 11 categories
Analytics
Google Analytics
since Sep 2023
CDN
Font scripts
Issue trackers
Sentry
since May 2026
JavaScript libraries
Miscellaneous
Open Graph
since Aug 2023
Page builders
Softr
since Aug 2023
Payment processors
Security
HSTS
since Aug 2023
UI frameworks
Webmail
Google Workspace
since Aug 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 88% desktop
- 12% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.35 / 10 · ranked #8,089,189 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.1 s |
| INP | 75 ms |
| CLS | 0.4 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 10.1 MB · 177 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
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Recent changes
- dropped Emotion May 2026
- dropped MUI May 2026
- dropped React May 2026
- detected Sentry May 2026
- dropped Swiper May 2026
- dropped Animate.css Feb 2026
- dropped Google Font API Feb 2026
- dropped YouTube Feb 2026