What powers 
understandlegacycode.com?
Last seen Sep 2026 · 9 technologies across 6 categories
CDN
Cloudflare
since Apr 2024
Netlify
since Mar 2020
CRM
Zoho
since Aug 2022
Font scripts
Google Font API
since Apr 2023
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Security
Cloudflare Bot Management
since Apr 2024
HSTS
since Sep 2022
Static site generator
Astro
since Sep 2025
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
4.65 / 10 · ranked #378,889 of all domains
130 referring domains · OpenPageRank
Page
- Language: English
- CDN: Netlify
- Weight: 1.1 MB · 31 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (18.208.88.157)
- DNS: IBM NS1
- Email: Zoho Mail
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 1,966,525, 2 hosts
- Verified with: Google, Zoho
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped ConvertKit Sep 2026
- dropped reCAPTCHA Sep 2026