Font display
font-display is a CSS descriptor controlling how a browser renders text while a webfont loads.
Why it matters
The value swap renders text immediately in a fallback; the value block leaves text invisible for up to three seconds.
How it is measured
Check the generated font-face rules for font-display: swap, and confirm zero requests to an external font host.
Checks that involve font display
Related terms
Questions
What is font display?
font-display is a CSS descriptor controlling how a browser renders text while a webfont loads.
Why does font display matter?
The value swap renders text immediately in a fallback; the value block leaves text invisible for up to three seconds.
How is font display measured?
Check the generated font-face rules for font-display: swap, and confirm zero requests to an external font host.