What powers 
retrospect.com?
Last seen Oct 2026 · 47 technologies across 18 categories
Analytics
CDN
CRM
Databases
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Message boards
Miscellaneous
PaaS
Programming languages
Reverse proxies
Rich text editors
Security
Tag managers
Web frameworks
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Nov 2026 llms.txt removed
- Nov 2026 *: Restricted (was Allowed)
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #326,483 of all domains
127 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- Weight: 46.5 MB · 112 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Retrospect
From Wikidata (CC0).
Infrastructure
- Registered Mar 1997 (29 years) via GoDaddy.com, LLC, renews Mar 2027
- Hosted on Amazon Web Services (16.15.238.141)
- DNS: Amazon Route 53
- Email: Barracuda
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 1,058,758, 8 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.retrospect.com | 25 |
| forums.retrospect.com | 23 |
| docs.retrospect.com | 15 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Zone.js Oct 2026
- detected Envoy Sep 2026
- dropped Prism Aug 2026
- dropped Sentry Aug 2026
- dropped Wistia Aug 2026
- detected Sentry Mar 2026
- dropped Algolia Jan 2026
- detected Angular Dec 2025
- detected cdnjs Dec 2025
- detected Cloudflare Turnstile Dec 2025
- detected TypeScript Dec 2025
- detected Wistia Dec 2025
- detected Zone.js Dec 2025