Facebook Cover Photo Do's and Don'ts [+Cover Photo Templates]
Hubspot
APRIL 1, 2018
Covers can't be deceptive, misleading, or infringe on anyone else's copyright. Don't worry about the old '20% text' rule, but still try to stay visual. Back in 2013 , Facebook removed any reference to the 20% rule on text in cover photos. The previous rule said that only 20% of your cover photo could be text.
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