What powers sc-best-practices.org?
Last seen Sep 2026 · 21 technologies across 11 categories
Caching
Varnish
since Jan 2023
CDN
Font scripts
JavaScript frameworks
React
since Sep 2026
React Router
since Sep 2026
JavaScript graphics
JavaScript libraries
Clipboard.js
since Jan 2023
Underscore.js
since Jan 2023
Miscellaneous
Open Graph
since Sep 2026
PaaS
GitHub Pages
since Jan 2023
Security
HSTS
since Jan 2023
UI frameworks
Web frameworks
Remix
since Sep 2026
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 93% desktop
- 7% phone
United States
Germany
United Kingdom
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.88 / 10 · ranked #1,807,252 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 3.3 MB · 35 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153)
- DNS: Namecheap
- Email: Namecheap
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,283,209, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Backbone.js Sep 2026
- detected Headless UI Sep 2026
- detected KaTeX Sep 2026
- detected Open Graph Sep 2026
- detected React Sep 2026
- detected React Router Sep 2026
- detected Remix Sep 2026
- detected Tailwind CSS Sep 2026
- detected Underscore.js Sep 2026