What powers cgcgrading.com?
Last seen Sep 2026 · 21 technologies across 15 categories
Accessibility
Analytics
CDN
Development
Documentation
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
AI Crawlers
Restricts 8 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Restricted
- CCBot Restricted
- ClaudeBot Restricted
- cohere-training-data-crawler Restricted
- Google-Extended Restricted
- GPTBot Restricted
Search and AI assistants
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
The other 25 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 chatgpt-user added to robots.txt
- Sep 2026 applebot-extended added to robots.txt
- Sep 2026 ccbot added to robots.txt
- Sep 2026 perplexitybot added to robots.txt
- Sep 2026 claudebot added to robots.txt
- Sep 2026 cohere-ai added to robots.txt
AI Crawlers
8 of 33 AI crawlers restricted
Standards: llms.txt
Audience
- 59% phone
- 40% desktop
- 1% tablet
United States
United Kingdom
Spain
Germany
Canada
Brazil
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.96 / 10 · ranked #3,688,648 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 75 ms |
| CLS | 0.15 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Vercel
- Weight: 20.7 MB · 120 requests
- Structured data: JSON-LD, 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 Cloudflare (104.21.65.10, IPv6)
- DNS: Cloudflare DNS
- Email: Proofpoint Essentials
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 14,435,063, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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