Which allows for efficient font reuse between pages?
WOFF2 fonts
The font matching algorithm
Revalidation token
The local() directive
Explanation:
Specify revalidation and optimal caching policies: fonts are static resources that are infrequently updated. Make sure that your servers provide a long-lived max-age timestamp and a revalidation token to allow for efficient font reuse between different pages.
Read more here: https://support.google.com/partners/answer/7336691