What powers signatureforemail.com?
Last seen Aug 2026 · 18 technologies across 13 categories
Analytics
CDN
Font scripts
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Reviews
Rich text editors
Security
UI frameworks
Web frameworks
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 Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 75% desktop
- 25% phone
Italy
Poland
United States
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.72 / 10 · ranked #295,967 of all domains
119 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 2.5 MB · 161 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- SignatureForEmail
- Industry: Software and apps (declares
SoftwareApplication) - Profiles: YouTube, X, Facebook
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (104.21.86.32, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 1,885,647, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted