What powers 
robertxiao.ca?
Last seen Sep 2026 · 19 technologies across 13 categories
Analytics
Google Analytics
since Feb 2020
CDN
Cloudflare
since Feb 2022
CMS
Databases
MySQL
since Feb 2020
Font scripts
Google Font API
since Feb 2020
Twitter Emoji (Twemoji)
since Feb 2020
JavaScript graphics
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Nov 2023
Programming languages
PHP
since Feb 2020
Web servers
Apache HTTP Server
since Feb 2020
Webmail
Apple iCloud Mail
since Jan 2023
WordPress plugins
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
3.67 / 10 · ranked #778,235 of all domains
46 referring domains · OpenPageRank
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 0.8 MB · 34 requests
- WordPress theme: oncanvas (child: oncanvas-child) · all themes
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.14.41, IPv6)
- DNS: Cloudflare DNS
- Email: iCloud Mail
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Jan 2027
- Common Crawl link graph: rank 1,947,408, 2 hosts
- Verified with: Apple Business
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.robertxiao.ca | 18 |
| robertxiao.ca | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Cloudflare Browser Insights Apr 2026
- detected Cloudflare Browser Insights Nov 2025