callbook.ai

The AI Collections Agency | Callbook AI

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Body text: Gravity
Headings: Gravity

Last checked Sep 23, 2026. Run this site and want it removed? Request an opt-out.

All text on the page

Gravity77%Weights 400, 500, 600, 700
system-ui13%Weights 400, 500, 600, 700, 750
Geist8.4%Weights 500, 600, 650
Inter1.1%Weights 600
Source Serif0.6%Weights 300
Arial0.0%Weights 400

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Served by: Self-hosted
Font files: 248 KB
Preloaded fonts: 0
Families declared: 3
Platform: Custom or unknown
Font hosts: www.callbook.ai

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 crawlGravity

Every font face the page declares (3)

Family as declared	Weights	Variable	Used
Gravity	400, 700, 300	No	Yes
Geist	500, 600, 700	No	Yes
Source Serif 4	300	No	Yes