What powers philterd.ai?
Last seen Sep 2026 · 17 technologies across 10 categories
Analytics
Caching
CDN
Font scripts
JavaScript frameworks
Miscellaneous
PaaS
Security
Static site generator
Tag managers
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Allowed
- CCBot Allowed
- ClaudeBot Allowed
- cohere-training-data-crawler Allowed
- Google-Extended Allowed
- GPTBot Allowed
- meta-externalagent Allowed
Search and AI assistants
- Amazonbot Allowed
- Applebot Allowed
- Claude-SearchBot Allowed
- DuckAssistBot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
- MistralAI-User Allowed
- Perplexity-User Allowed
The other 16 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- ai.txt not found
- Oct 2026 chatgpt-user added to robots.txt
- Oct 2026 claude-user added to robots.txt
- Oct 2026 claude-searchbot added to robots.txt
- Oct 2026 claudebot added to robots.txt
- Oct 2026 ccbot added to robots.txt
- Oct 2026 llms.txt appeared
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 70% desktop
- 30% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.34 / 10 · ranked #2,790,742 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0.1 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Oct 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153, IPv6)
- DNS: Namecheap
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 751,548, 6 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| philterd.ai | 16 |
| www.philterd.ai | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Leadfeeder Apr 2026
- dropped Sentry Apr 2026