Ask facebook to re-scrape URL -


this question has answer here:

the og:image of website has been changed recently. site contains more 100 pages, each containing individual og:image. how can ask or force facebook re-scrape pages, image gets updated? using facebook debugger tool tedious task. until facebook re-scrape's site, won't able submit collection app.

you have 2 alternatives here in situation

  1. as per ysrb's answer loop through list of urls open graph debugger tool

  2. or wait patiently 30 days until facebook re-scrapes pages says in documentation here

why , when facebook scrape website?

facebook needs scrape links shared facebook know link preview information show on facebook.com or on facebook ios , android. happens every 30 days ensure properties date. linked page scraped when url entered debugger tool.

facebook observes cache headers on urls - @ "expires" , "cache-control" in order of preference. however, if specify longer time, facebook scrape page every 30 days.


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