What powers controlsys.org?
Last seen Aug 2026 · 44 technologies across 21 categories
Analytics
Google Analytics
since May 2019
Linkedin Insight Tag
since Feb 2024
Snowplow Analytics
since May 2021
CDN
Amazon S3
since Nov 2022
cdnjs
since Nov 2021
Cloudflare
since Nov 2021
Google Hosted Libraries
since Mar 2022
Microsoft Ajax Content Delivery Network
since Mar 2022
CMS
Databases
MySQL
since Mar 2025
Amazon SES
since Feb 2026
Font scripts
Google Font API
since May 2019
Twitter Emoji (Twemoji)
since Dec 2025
JavaScript frameworks
JavaScript graphics
Chart.js
since May 2019
JavaScript libraries
Load balancers
Amazon ALB
since Sep 2021
Miscellaneous
PaaS
Amazon Web Services
since Sep 2021
Kinsta
since Mar 2025
Page builders
WordPress Block Editor
since Mar 2025
Programming languages
PHP
since Mar 2025
Security
Tag managers
Google Tag Manager
since May 2019
UI frameworks
ZURB Foundation
since Mar 2025
Video players
Web frameworks
Microsoft ASP.NET
since May 2019
Webmail
Microsoft 365
since Jan 2023
WordPress plugins
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
Audience
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #341,050 of all domains
110 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on Cloudflare (162.159.134.42, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 678,529, 4 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.controlsys.org | 26 |
| controlsys.org | 25 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Flickity Jun 2026
- detected Flickity Apr 2026
- dropped Flickity Mar 2026
- detected Amazon SES Feb 2026
- detected reCAPTCHA Feb 2026
- detected Twitter Emoji (Twemoji) Dec 2025