What powers 
tac-atc.ca?
Last seen Aug 2026 · 27 technologies across 17 categories
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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 Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| tac atc | #1 | 15 |
| transportation association of canada | #1 | 15 |
| transport association of canada | #1 | 15 |
| thermal expansion in concrete | #3 | 14 |
| transcontinental highway canada | #26 | 9 |
| trestle vs trellis | #1 | 9 |
| association of canada | #4 | 9 |
| coefficient of thermal expansion concrete | #7 | 8 |
| manual on uniform traffic control devices | #75 | 8 |
| cte concrete | #2 | 6 |
| concrete thermal expansion | #6 | 5 |
| continuous sidewalks | #3 | 5 |
| continuous sidewalks | #3 | 5 |
| run-off-road collision | #6 | 4 |
| canada department of transportation | #43 | 3 |
| galvanic anodes | #60 | 3 |
| canada traffic signals | #43 | 2 |
| tac mobility | #4 | 2 |
| thermal expansion coefficient of concrete | #5 | 2 |
| osborne bridge | #10 | 2 |
| highway interchange types | #81 | 2 |
| ice bridges | #52 | 2 |
| faying surface | #70 | 2 |
| faying surface | #40 | 2 |
| windsor on border crossing | #54 | 1 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 79% desktop
- 21% phone
Canada
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.80 / 10 · ranked #128,641 of all domains
230 referring domains · OpenPageRank
Search traffic
180 est. monthly organic visits (US)
411 keywords in Google's top 30
Core Web Vitals
| LCP | 1.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 2.7 MB · 113 requests
- WordPress theme: hello-elementor (child: hello-theme-child-master) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Transportation Association of Canada (TAC)
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (141.193.213.10)
- DNS: internic.ca
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 532,443, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Jan 2026
- detected Priority Hints Dec 2025