What powers 
healthandenvironment.org?
Last seen Oct 2026 · 17 technologies across 9 categories
Analytics
CDN
Font scripts
JavaScript libraries
Marketing automation
Miscellaneous
Programming languages
Video players
AI Crawlers
Blocks 13 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- Google-CloudVertexBot Blocked
- Google-Extended Blocked
- GoogleOther Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- PetalBot Blocked
The other 20 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
Content Signals:
search=yes ai-train=no declared in robots.txt
- Nov 2026 ccbot added to robots.txt
- Nov 2026 claude-web added to robots.txt
- Nov 2026 claudebot added to robots.txt
- Nov 2026 bytespider added to robots.txt
- Nov 2026 Content Signals changed
- Nov 2026 amazonbot added to robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| endocrine disrupting compounds | #43 | 570 |
| arsenic | #14 | 410 |
| thomas midgley jr | #5 | 170 |
| minamata disease | #6 | 120 |
| thomas midgley | #6 | 120 |
| precautionary principle | #5 | 110 |
| bpa | #56 | 100 |
| who discovered lead | #2 | 88 |
| pedanius dioscorides | #3 | 86 |
| ddt | #44 | 70 |
| pesticides | #63 | 64 |
| the precautionary principle | #7 | 61 |
| epigenetics definition | #48 | 57 |
| river on fire cleveland | #6 | 54 |
| effects of greenhouse effect | #30 | 53 |
| tributyltin | #2 | 52 |
| ethyl alcohol | #32 | 47 |
| endocrine disrupting chemicals | #58 | 47 |
| ohio river fire | #6 | 44 |
| what is a built environment | #3 | 43 |
| how much arsenic is deadly | #2 | 42 |
| chemicals | #57 | 42 |
| cleveland river fire | #7 | 41 |
| leaded gasoline inventor | #3 | 38 |
| ddt compound | #8 | 32 |
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
13 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 82% desktop
- 18% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.01 / 10 · ranked #109,198 of all domains
334 referring domains · OpenPageRank
Search traffic
4,000 est. monthly organic visits (US)
2,022 keywords in Google's top 30
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 2.6 MB · 96 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Mar 2005 (21 years) via Network Solutions, LLC, renews Mar 2027
- Hosted on Cloudflare (104.21.91.120, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Jan 2027
- Common Crawl link graph: rank 518,289, 5 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped LiteSpeed Sep 2026
- detected Cloudflare Aug 2026
- detected Cloudflare Browser Insights Aug 2026