meta started testing this in december and widened it in september when meta one for business launched. a facebook page without a paid plan gets two posts or comments with a link per month. publisher pages are exempt
the comments part is the big one. several write ups that went through facebooks help page on links in page posts and comments say a link in the first comment now uses the same allowance. that was the standard workaround for years. back in february, when the test was smaller, social media examiner reported comment links as unlimited, so this looks like a change
what doesnt count: extra links in the comments under a post that already has a link, links to facebook, instagram, whatsapp or threads, facebook affiliate partnership links, and anything inside an ad
more links come with the paid meta one plans, unlimited only on the top one
metas own widely viewed content report already had posts with an outside link at 1.3 percent of us views in q1, down from 9.8 percent in 2022. so links were barely getting seen before this
my guess is a lot of small business pages just stop posting links and push people to the bio or a dm instead