What powers slotcheck.com?
Last seen Oct 2026 · 41 technologies across 21 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Page builders
Payment processors
Performance
Programming languages
Security
Tag managers
Web frameworks
Web servers
Webmail
WordPress plugins
WordPress themes
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
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.08 / 10 · ranked #11,311,717 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English (United States)
- Weight: 4.6 MB · 69 requests
- WordPress theme: twentyseventeen · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Slot Check
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Automattic (WordPress.com) (192.0.78.24)
- DNS: Amazon Route 53
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 33,267,955, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| slotcheck.com | 30 |
| my.slotcheck.com | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped HubSpot Chat Oct 2026
- detected Google Font API Jun 2026
- detected HubSpot Chat Jun 2026
- detected Priority Hints Jun 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected Preact Apr 2026
- dropped Cloudflare Mar 2026
- dropped Cloudflare Bot Management Mar 2026
- dropped HubSpot Chat Mar 2026
- detected Jetpack Mar 2026
- detected Twitter Emoji (Twemoji) Dec 2025