irs.gov
Internal Revenue Service | An official website of the United States government
- Body text
- Source Sans
- Headings
- Source Sans
Last checked Sep 23, 2026. Run this site and want it removed? Request an opt-out.
All text on the page
- Source Sans100%
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- Served by
- Self-hosted
- Font files
- 297 KB
- Preloaded fonts
- 0
- Families declared
- 3 (1 never used)
- Platform
- Custom or unknown
- Font hosts
- www.irs.gov
History
Each row is a stretch of time where the fonts stayed the same. Rows marked Web archive are estimates from saved copies of the page and less reliable than our own crawl.
- Sep 23, 2026Our crawlSource Sans
- Feb 15, 2021 to May 15, 2026Web archiveSource Sans
Every font face the page declares (3)
| Family as declared | Weights | Variable | Used |
|---|---|---|---|
| FontAwesome | 400 | No | Yes |
| Source Sans Pro | 200, 300, 400, 700 | No | Yes |
| slick | 400 | No | No |