What powers phdposters.com?
Last seen Aug 2026 · 8 technologies across 8 categories
Analytics
Google Analytics
since Jun 2018
Ecommerce
Cart Functionality
since Jan 2022
Amazon SES
since Aug 2022
Font scripts
Google Font API
since Dec 2019
PaaS
Amazon Web Services
since Aug 2022
Security
HSTS
since Jul 2024
UI frameworks
Pure CSS
since Dec 2019
Web Servers
Nginx
since Apr 2017
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
3.08 / 10 · ranked #1,448,625 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on LEASEWEB-USA-DAL (172.241.24.147)
- DNS: opalstack.com
- Email: opalstack.com
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 2,296,540, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| phdposters.com | 8 |
| www.phdposters.com | 6 |