What powers summum.us?
Last seen Oct 2026 · 11 technologies across 7 categories
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Programming languages
UI frameworks
Web servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 51% phone
- 49% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.09 / 10 · ranked #1,439,560 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- Weight: 2.8 MB · 56 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on IONOS (74.208.236.51)
- DNS: IONOS
- Email: no MX record returned, SPF names IONOS
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Sectigo, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 738,138, 3 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.summum.us | 11 |
| sanctum.summum.us | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected PHP Jul 2026
- detected Google Font API Jun 2026