What powers stemteachingtools.org?
Last seen Aug 2026 · 13 technologies across 12 categories
Advertising
Analytics
Authentication
CDN
CMS
Marketing automation
Programming languages
Security
Tag Managers
Web frameworks
Web Servers
Widgets
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 not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| what is a scientific model | #4 | 140 |
| scientific model | #8 | 130 |
| stem teaching tools | #1 | 79 |
| gender spectrum chart | #3 | 31 |
| next generation science standards | #18 | 30 |
| preservice teachers | #6 | 30 |
| phenomena for ngss | #4 | 26 |
| anchor phenomenon | #3 | 25 |
| cer writing | #6 | 24 |
| what is a model in science | #12 | 22 |
| informal formative assessment | #3 | 17 |
| cer model | #3 | 11 |
| science and engineering practices | #16 | 10 |
| what is ngss | #8 | 8 |
| scientific models | #22 | 8 |
| scientific model meaning | #35 | 8 |
| contemporary science | #4 | 7 |
| science talk moves | #2 | 6 |
| funds of knowledge moll | #31 | 6 |
| funds of knowledge | #31 | 6 |
| controversial scientific topics | #8 | 5 |
| what is scientific argument | #7 | 5 |
| scientific argument | #11 | 5 |
| self-documentation | #9 | 5 |
| intersectionality environment | #8 | 5 |
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
Audience
- 83% desktop
- 17% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.37 / 10 · ranked #175,789 of all domains
192 referring domains · OpenPageRank
Search traffic
890 est. monthly organic visits (US)
725 keywords in Google's top 30
Core Web Vitals
| LCP | 1.3 s |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 1.5 MB · 29 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on PAIR-NETWORKS (216.92.90.57)
- DNS: pair.com
- Email: pair.com
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 47,028, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| stemteachingtools.org | 12 |
| www.stemteachingtools.org | 8 |
Full technology history →
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Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025