What powers opalcrown.com?
Last seen Oct 2026 · 22 technologies across 16 categories
Advertising
Google AdSense
since Jul 2021
Analytics
Google Analytics
since Jul 2021
Authentication
Facebook Login
since Jul 2021
Blogs
Blogger
since Jul 2021
CDN
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Feb 2022
Cookie compliance
Funding Choices
since Feb 2024
Google Workspace
since Aug 2022
Font scripts
Google Font API
since Jul 2021
JavaScript libraries
Marketing automation
MailChimp
since Jul 2021
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Performance
Priority Hints
since Sep 2026
Programming languages
Security
reCAPTCHA
since Apr 2022
Web servers
OpenGSE
since Jul 2021
Widgets
AddThis
since Jul 2021
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
0.72 / 10 · ranked #18,798,744 of all domains
5 referring domains · OpenPageRank
Page
- CDN: Google
- Weight: 7.2 MB · 119 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Google (216.239.32.21, IPv6)
- DNS: Google Cloud DNS
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- SSL: Google Trust Services, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 44,715,309
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Priority Hints Sep 2026
- dropped Akamai Apr 2026
- dropped Akamai Bot Manager Apr 2026