What powers fscircuits.com?
Last seen Sep 2026 · 28 technologies across 15 categories
Analytics
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
PaaS
Performance
Programming languages
Tag managers
Video players
Web servers
WordPress plugins
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.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 51% phone
- 49% desktop
Russia
United States
Mexico
India
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.11 / 10 · ranked #1,407,190 of all domains
57 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.4 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 2400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Google
- Weight: 15.0 MB · 232 requests
- WordPress theme: jupiterx · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- FS Circuits
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Google (34.2.29.38)
- DNS: SiteGround Email
- Email: SiteGround Email
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 7,006,165, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Animate.css Aug 2026
- detected Chart.js Jul 2026
- detected Animate.css Jun 2026
- dropped Animate.css Feb 2026
- detected core-js Feb 2026
- detected Font Awesome Feb 2026
- detected GSAP Feb 2026
- detected jQuery UI Feb 2026
- detected Lightbox Feb 2026
- detected MediaElement.js Feb 2026
- detected Popper Feb 2026
- detected PubSubJS Feb 2026
- dropped ThemeIsle Menu Icons Feb 2026
- detected Twitter Emoji (Twemoji) Feb 2026
- detected Underscore.js Feb 2026
- detected WooCommerce Feb 2026
- dropped WP Rocket Jan 2026
- detected Google Analytics Dec 2025
- detected Google Font API Dec 2025
- detected jQuery Dec 2025
- detected jQuery Migrate Dec 2025
- dropped core-js Nov 2025
- dropped Font Awesome Nov 2025
- dropped Google Analytics Nov 2025
- dropped Google Font API Nov 2025
- dropped jQuery Nov 2025
- dropped jQuery Migrate Nov 2025
- dropped jQuery UI Nov 2025
- dropped Lightbox Nov 2025
- dropped MediaElement.js Nov 2025
- dropped Popper Nov 2025
- dropped PubSubJS Nov 2025
- dropped Underscore.js Nov 2025
- dropped W3 Total Cache Nov 2025
- dropped WooCommerce Nov 2025