What powers earthprimer.com?
Last seen Sep 2026 · 12 technologies across 10 categories
Analytics
Caching
Varnish
since Jul 2022
CDN
Cloudflare
since Jul 2022
Fastly
since Jul 2022
Font scripts
Hosting
DreamHost
since Dec 2022
JavaScript libraries
Marketing automation
MailChimp
since Jul 2022
PaaS
GitHub Pages
since Jul 2022
Security
Cloudflare Bot Management
since Jul 2022
Video players
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.05 / 10 · ranked #1,497,225 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153)
- Email: DreamHost
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 564,504, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| earthprimer.com | 12 |
| www.earthprimer.com | 12 |