What powers 
slideranch.org?
Last seen Oct 2026 · 23 technologies across 14 categories
Analytics
CMS
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Load balancers
Miscellaneous
PaaS
Performance
Programming languages
Security
UI frameworks
Webmail
AI Crawlers
Restricts 16 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.
Training crawlers
- AI2Bot Restricted
- Applebot-Extended Restricted
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- cohere-training-data-crawler Restricted
- FacebookBot Restricted
- Google-Extended Restricted
- GoogleOther Restricted
- GPTBot Restricted
- img2dataset Restricted
- meta-externalagent Restricted
- Webzio-Extended Restricted
Search and AI assistants
- Amazonbot Restricted
- DuckAssistBot Restricted
- YouBot Restricted
The other 17 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
- Nov 2026 gptbot added to robots.txt
- Nov 2026 bytespider added to robots.txt
- Nov 2026 claudebot added to robots.txt
- Nov 2026 ccbot added to robots.txt
- Nov 2026 cohere-ai added to robots.txt
- Nov 2026 ai2bot added to robots.txt
AI Crawlers
16 of 33 AI crawlers restricted
Audience
- 72% desktop
- 28% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.64 / 10 · ranked #794,825 of all domains
69 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English (United States)
- Weight: 3.0 MB · 85 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Squarespace (198.49.23.144)
- DNS: Network Solutions
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 2,111,969, 3 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| secure.slideranch.org | 14 |
| www.slideranch.org | 13 |
Full technology history →
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Recent changes
- dropped Angular Sep 2026
- dropped TypeScript Sep 2026
- dropped Zone.js Sep 2026
- detected Angular Apr 2026
- detected TypeScript Apr 2026
- detected Zone.js Apr 2026
- dropped reCAPTCHA Jan 2026
- dropped Amazon ALB Dec 2025
- dropped Amazon Web Services Dec 2025