What powers 
planetmainframe.com?
Last seen Sep 2026 · 66 technologies across 30 categories
Advertising
Analytics
Authentication
Caching
CDN
CMS
Databases
Ecommerce
Font scripts
Hosting
JavaScript libraries
Load balancers
Maps
Marketing automation
Miscellaneous
Mobile frameworks
PaaS
Performance
Programming languages
RUM
Security
SEO
Tag managers
UI frameworks
Video players
Web frameworks
Web servers
Webmail
Widgets
WordPress plugins
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 51% desktop
- 49% phone
United States
Mexico
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.19 / 10 · ranked #457,620 of all domains
70 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 2100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- Weight: 3.2 MB · 179 requests
- WordPress theme: divi · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Planet Mainframe
- Industry: Arts and entertainment (declares
Event) - Profiles: X
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on DreamHost (69.163.158.18)
- DNS: DreamHost
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 68,434, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| planetmainframe.com | 38 |
| www.planetmainframe.com | 29 |
| jobs.planetmainframe.com | 26 |
| tuningletter.planetmainframe.com | 17 |
Full technology history →
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Recent changes
- detected Redis Jun 2026
- detected Redis Object Cache Jun 2026