What powers 
openproject.com?
Last seen Sep 2026 · 27 technologies across 17 categories
Analytics
Google Analytics
since Jun 2018
Blogs
WordPress
since May 2017
CDN
Amazon S3
since Jul 2024
CRM
Zoho
since Jul 2026
Databases
MySQL
since Jun 2018
Zoho Mail
since Jul 2026
JavaScript Frameworks
JavaScript libraries
PaaS
Amazon Web Services
since Aug 2022
Performance
Turbo
since Jul 2024
Programming Languages
Security
HSTS
since Sep 2022
SEO
Tag managers
Google Tag Manager
since May 2017
UI frameworks
Bootstrap
since Jun 2018
Web frameworks
Ruby on Rails
since Aug 2018
Web servers
Nginx
since May 2017
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 *: Blocked (was Restricted)
AI Crawlers
All crawlers blocked
Audience
United States
Argentina
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.56 / 10 · ranked #833,501 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 4.1 MB · 84 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (18.159.177.159)
- DNS: Amazon Route 53
- Email: mailbox.org
- Email security: SPF (hard fail), DMARC reject
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 1,978,428, 26 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| safe.openproject.com | 17 |
| stamm.openproject.com | 17 |
| www.openproject.com | 10 |
| start.openproject.com | 6 |
| community.openproject.com | 1 |
Full technology history →
Report an incorrect detection
Recent changes
- detected core-js Aug 2026
- dropped Zone.js Aug 2026
- dropped Amazon ALB May 2026