What powers rasc.ca?
Last seen Jun 2026 · 66 technologies across 25 categories
Advertising
Analytics
Caching
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| david w hogg | #72 | 280 |
| sirius b star | #57 | 70 |
| sirius a and sirius b | #42 | 70 |
| canadian meteorites | #1 | 52 |
| messier objects | #17 | 28 |
| canadian meteorite | #3 | 25 |
| science fair projects in astronomy | #2 | 23 |
| science fair projects about astronomy | #2 | 23 |
| canadian observatory | #1 | 21 |
| observatory canada | #1 | 21 |
| edwin hubble | #64 | 21 |
| george darwin | #7 | 18 |
| david dunlap observatory | #71 | 17 |
| asteroids images | #10 | 14 |
| astronomy science fair topics | #3 | 14 |
| science fair projects on astronomy | #3 | 14 |
| science fair project astronomy | #3 | 14 |
| science fair astronomy | #2 | 11 |
| messier object map | #2 | 11 |
| edwin p hubble | #32 | 11 |
| space science fair projects | #5 | 8 |
| henry norris russell | #5 | 8 |
| asterisms | #6 | 7 |
| science projects about astronomy | #3 | 7 |
| science project on astronomy | #3 | 7 |
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.
Audience
- 59% desktop
- 41% phone
Canada
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.58 / 10 · ranked #70,874 of all domains
417 referring domains · OpenPageRank
Search traffic
990 est. monthly organic visits (US)
452 keywords in Google's top 30
Core Web Vitals
| LCP | 1.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 11.2 MB · 59 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.ottawa.rasc.ca | 22 |
| mississauga.rasc.ca | 19 |
| calgary.rasc.ca | 16 |
| secure.rasc.ca | 16 |
| ottawa.rasc.ca | 15 |
| victoria.rasc.ca | 15 |
| rasc.ca | 12 |
| www.kw.rasc.ca | 12 |
| www.rasc.ca | 12 |
| regina.rasc.ca | 11 |
| winnipeg.rasc.ca | 11 |
| sssp.saskatoon.rasc.ca | 9 |
| halifax.rasc.ca | 7 |
| kingston.rasc.ca | 6 |
| www.saskatoon.rasc.ca | 3 |
Full technology history →
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Recent changes
- detected OpenResty Jun 2026
- detected Backbone.js May 2026
- dropped SiteGround May 2026
- detected Swiper May 2026
- detected Underscore.js May 2026
- dropped Plesk Jan 2026
- dropped Glider.js Dec 2025
- detected LiteSpeed Dec 2025
- dropped Plyr Dec 2025
- dropped React Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Vimeo Dec 2025
- dropped YouTube Dec 2025
- dropped Lodash Nov 2025
- detected Glider.js Oct 2025
- detected Plyr Oct 2025
- detected React Oct 2025
- detected Vimeo Oct 2025
- detected YouTube Oct 2025
- dropped OpenResty Sep 2025
- dropped YouTube Aug 2025