What powers gregg.io?
Last seen Oct 2026 · 28 technologies across 14 categories
Analytics
Cloudflare Browser Insights
since Oct 2024
Google Analytics
since Apr 2023
Blogs
Medium
since Jan 2026
CDN
Cloudflare
since Oct 2024
Google Hosted Libraries
since Apr 2023
Font scripts
Font Awesome
since Nov 2021
Google Font API
since Nov 2021
JavaScript frameworks
React
since Jan 2026
JavaScript libraries
Miscellaneous
PaaS
Netlify
since Apr 2023
Programming languages
Reverse proxies
Envoy
since Jan 2026
RUM
Datadog
since Jan 2026
Security
Static site generator
Jekyll
since Nov 2021
Webmail
Google Workspace
since Apr 2023
AI Crawlers
Blocks 16 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- AI2Bot Blocked
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- FacebookBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- meta-externalagent Blocked
- PanguBot Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 17 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 imagesiftbot added to robots.txt
- Oct 2026 bytespider added to robots.txt
- Oct 2026 ccbot added to robots.txt
- Oct 2026 claudebot added to robots.txt
- Oct 2026 applebot-extended added to robots.txt
- Oct 2026 ai2bot added to robots.txt
AI Crawlers
16 of 33 AI crawlers blocked
Open Page Rank
3.36 / 10 · ranked #1,049,615 of all domains
27 referring domains · OpenPageRank
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.5 MB · 21 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.73.38, IPv6)
- DNS: Cloudflare DNS
- Email: Fastmail
- Email security: SPF (neutral), DMARC monitor only, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 1,188,605, 2 hosts
- Verified with: Keybase
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| blog.gregg.io | 21 |
| gregg.io | 16 |