What powers marginaleffects.com?
Last seen Sep 2026 · 8 technologies across 7 categories
Caching
Varnish
since Sep 2023
CDN
Fastly
since Sep 2023
Font scripts
JavaScript libraries
Clipboard.js
since Sep 2023
Tippy.js
since Sep 2023
Miscellaneous
Popper
since Sep 2023
PaaS
GitHub Pages
since Sep 2023
UI frameworks
Bootstrap
since Sep 2023
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 found
- llms-full.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
- 80% desktop
- 20% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.36 / 10 · ranked #1,049,824 of all domains
51 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 1.3 MB · 32 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Industry: Blogs and publishing (declares
Book)
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Fastly (185.199.108.153, IPv6)
- DNS: Hover
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 466,616, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted