What powers 
drtax.ca?
Last seen Oct 2026 · 16 technologies across 13 categories
Analytics
Google Analytics
since Jun 2019
Captchas
reCAPTCHA
since Jun 2019
CDN
Amazon CloudFront
since Jun 2019
CMS
Adobe Experience Manager
since Jun 2019
Font Scripts
JavaScript Libraries
Marketing Automation
Act-On
since Jun 2019
Operating systems
Windows Server
since Jun 2018
PaaS
Amazon Web Services
since Jun 2019
Programming Languages
Java
since Jun 2019
Security
HSTS
since Sep 2022
Tag Managers
Google Tag Manager
since Jun 2019
Web Servers
Apache HTTP Server
since Jun 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 85% desktop
- 15% phone
Canada
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.50 / 10 · ranked #891,143 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Weight: 0.0 MB · 4 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on THOMSON-REUTERS - West Publishing Corporation (155.46.172.254)
- DNS: thomsonreuters.com
- Email: drtax.ca
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Sectigo, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,940,834, 5 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.drtax.ca | 13 |
| secure.drtax.ca | 3 |
| support.drtax.ca | 2 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Microsoft ASP.NET Apr 2026