What powers 
brucesilverstein.com?
Last seen Aug 2026 · 28 technologies across 15 categories
Analytics
CDN
Font scripts
Hosting
JavaScript libraries
Load balancers
Miscellaneous
Operating systems
PaaS
Programming languages
RUM
Security
Video players
Web servers
Webmail
AI Crawlers
Blocks 2 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- meta-externalagent Blocked
Search and AI assistants
- PetalBot Blocked
The other 31 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
2 of 33 AI crawlers blocked
Audience
- 73% desktop
- 27% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.95 / 10 · ranked #609,634 of all domains
131 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.9 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Google
- Weight: 1.2 MB · 115 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Google Cloud (104.155.91.65)
- DNS: GoDaddy DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 2,433,025, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.brucesilverstein.com | 22 |
| brucesilverstein.com | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Datadog Jun 2026
- detected Font Awesome Feb 2026
- detected HSTS Feb 2026