What powers irs.org?
Last seen Oct 2026 · 9 technologies across 8 categories
Analytics
Google Analytics
since Jan 2019
Font scripts
Google Font API
since Apr 2026
JavaScript libraries
Miscellaneous
HTTP/3
since Sep 2024
Operating systems
Ubuntu
since Apr 2021
Programming languages
Ruby
since Jan 2019
Web frameworks
Ruby on Rails
since Jan 2019
Web servers
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
- 67% desktop
- 33% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.89 / 10 · ranked #3,891,004 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Weight: 0.9 MB · 14 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (54.235.96.128)
- DNS: digimedia.com
- Email: 0.0
- Email security: SPF (hard fail), DMARC reject
- Common Crawl link graph: rank 2,987,047, 2 hosts
DNS records as swept Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Font API Apr 2026
- detected HTTP/3 Jan 2026
- dropped HTTP/3 Dec 2025