What powers doooor.com?
Last seen Jul 2025 · 6 technologies across 6 categories
Analytics
Baidu Analytics (百度统计)
since Jul 2020
JavaScript libraries
Message boards
Discuz! X
since Jan 2016
Programming languages
PHP
since Jun 2018
Security
HSTS
since Oct 2022
Web servers
Nginx
since Jan 2016
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 100% desktop
China
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.23 / 10 · ranked #1,216,999 of all domains
38 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 25 ms |
| CLS | 0.15 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on CHINATELECOM-JIANGSU-CHANGZHOU-5G-NETWORK CHINATELECOM Jiangsu province Changzhou 5G network (61.160.221.8)
- DNS: Tencent DNSPod
- Email: Tencent Exmail
- Email security: no SPF record, no DMARC record
- Common Crawl link graph: rank 7,451,391, 3 hosts
DNS records as swept Sep 2026. How the web is hosted