What powers spsfence.com?
Last seen Oct 2026 · 14 technologies across 9 categories
Analytics
Cloudflare Browser Insights
since Jan 2022
CDN
JavaScript libraries
Miscellaneous
Performance
Cloudflare Rocket Loader
since Nov 2022
Cloudflare Zaraz
since Apr 2023
Security
HSTS
since Sep 2022
UI frameworks
Web frameworks
Blazor
since Jul 2026
Microsoft ASP.NET
since Jan 2019
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.86 / 10 · ranked #4,009,458 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0.55 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 3.3 MB · 39 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.95.27, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC reject, DNSSEC signed, CAA
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 3,714,087, 2 hosts
- Verified with: Sophos
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| spsfence.com | 14 |
| www.spsfence.com | 14 |
Full technology history →
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Recent changes
- dropped reCAPTCHA Aug 2026
- detected Blazor Jul 2026
- detected cdnjs Jul 2026
- detected jQuery CDN Jul 2026
- detected Microsoft ASP.NET Jul 2026
- detected Popper Jul 2026
- dropped Cloudflare Bot Management Feb 2026
- dropped Cloudflare Network Error Logging Feb 2026
- dropped Google Analytics Feb 2026
- dropped Google Remarketing Tag Feb 2026
- dropped Google Tag Manager Feb 2026
- dropped Tailwind CSS Jan 2026