What powers 
commoncurriculum.com?
Last seen Aug 2026 · 55 technologies across 27 categories
Advertising
Analytics
Blogs
CDN
CMS
Databases
Issue trackers
JavaScript Frameworks
JavaScript libraries
Live chat
Load balancers
Marketing automation
Miscellaneous
PaaS
Page builders
Payment processors
Performance
Programming languages
Reverse proxies
Rich text editors
Search Engines
Security
Tag managers
UI frameworks
Web Servers
Webmail
Widgets
AI Crawlers
Blocks 10 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Blocked
- CCBot Blocked
- ClaudeBot Blocked
- FacebookBot Blocked
- Google-Extended Blocked
- ImagesiftBot Blocked
- meta-externalagent Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Blocked
- YouBot Blocked
The other 23 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 claudebot added to robots.txt
- Sep 2026 facebookbot added to robots.txt
- Sep 2026 ccbot added to robots.txt
- Sep 2026 youbot added to robots.txt
- Sep 2026 anthropic-ai added to robots.txt
- Sep 2026 applebot-extended added to robots.txt
AI Crawlers
10 of 33 AI crawlers blocked
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.92 / 10 · ranked #630,749 of all domains
62 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 1.0 MB · 43 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (52.70.105.164)
- Email: no MX record returned
- Email security: DNSSEC signed, MTA-STS
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 51,171, 6 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.commoncurriculum.com | 25 |
| quotes.commoncurriculum.com | 20 |
| commoncurriculum.com | 19 |
| blog.commoncurriculum.com | 14 |