What powers roomful.com?

Last seen Sep 2026 · 19 technologies across 13 categories

Caching

Varnish
since Jun 2024

Email

Sendgrid
since Sep 2022

JavaScript frameworks

Stimulus
since Sep 2022

JavaScript libraries

jQuery v1.12.4
since Sep 2022
jQuery Migrate
since Sep 2022
lit-element v3.2.1
since Sep 2022
lit-html v2.6.0
since Sep 2022
SoundManager
since Sep 2022

Miscellaneous

Open Graph
since Sep 2022

Mobile frameworks

jQuery-pjax
since Sep 2022

Performance

Turbo
since Sep 2022

Programming languages

Ruby
since Sep 2022

Security

HSTS
since Sep 2022
reCAPTCHA
since Sep 2022

Video players

YouTube
since Sep 2022

Web frameworks

Ruby on Rails
since Sep 2022

Web servers

Nginx
since Sep 2022
OpenResty
since Sep 2022

Widgets

Spotify Widgets
since Aug 2025

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 Sep 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • United States

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

2.71 / 10 · ranked #2,150,972 of all domains

49 referring domains · OpenPageRank

Core Web Vitals

LCP1.5 s
CLS0.2
TTFB600 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Weight: 6.9 MB · 162 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • Roomful of Blues
  • Founded: 1967

From Wikidata (CC0).

Infrastructure

  • Hosted on Cloudflare (172.65.197.38, IPv6)
  • Email: Rackspace Email
  • Email security: SPF (soft fail), DMARC monitor only
  • SSL: Let's Encrypt, RSA 2048, expires Dec 2026
  • Common Crawl link graph: rank 2,426,469, 2 hosts

DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted

Subdomains

HostTechs
roomful.com 19
www.roomful.com 19

Full technology history →
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