: Facebook Links being blocked from preview Someone in Facebook posted a link to my site. Facebook tries to show a preview of the page with the link but it only shows "403 Forbidden". I am

Someone in Facebook posted a link to my site. Facebook tries to show a preview of the page with the link but it only shows "403 Forbidden". I am sure that I am somewhere blocking this Facebook request but am not sure what the issue is. For example, I only accept GET POST and HEAD requests and perhaps this is some other kind of request.

The link looks like this (with the site name changed).

<a class="_52c6" href="https://www.example.com/index.php?topid=1&grade=4&page=Movement" tabindex="-1" target="_blank" data-lynx-mode="async" rel="nofollow" data-lynx-uri="https://l.facebook.com/l.php?u=https%3A%2F%2Fwww.example.com%2Findex.php%3Ftopid%3D1%26grade%3D4%26page%3DMovement&h=ATMXgEds4Ymh3lFXLPXBbWVCIpDtJE_0gYVzgWTVdbsPfrBr6vIr7CJhYxkxDpQpB-js2Yl91RpOiRU5q8XFbZyvtVspSVZ6WG7tIB6rQkV2-nP8iIskWlN5Tha441w7nfGx9aaby2TmQdT9QMNt0IpGsXttslzB6GXaX7fnbgWJyHfCyJN-BdTKtO9V-gXtJc6IFiRqcSsa57JSXgNDTRq50D-dkMIl4YLFaUYN4xL8ozIOZMakcDxjgksMUx9G"></a>

Each time I load the Facebook page, I would expect to get a request in my server log that I am blocking, but I don't see any. Can you help me pinpoint what is going on here?

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@Gloria169

The Facebook Sharing Debugger is the tool you want - you need to be logged in to Facebook to use it.

This will allow you to test a URL, and see both what Facebook has cached, and request an updated scrape:

You can also submit a list of URLs that you'd like to be invalidated from the Cache so that you can refresh a bunch of pages if required.

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: Facebook Links being blocked from preview Someone in Facebook posted a link to my site. Facebook tries to show a preview of the page with the link but it only shows "403 Forbidden". I am

More posts by @Pope3001725

: You may want to approach this from a different angle if the goal is to have Google/Bing and other search engines index the individual files so they may appear in search results and help

: Is having a letter "z" in your (short) domain a bad idea? I recently found this post posted by WhoAPI in 2013 and as you scroll down, at the bottom you'll find a section talking a part

: To place in-app ads, can I go directly to app publisher or do I have to go through an advertising network? I am looking to advertise a web application (basically a web portal). I have found

: How does PageRank work on individual social media pages? I'm using SEOprofiler to check the backlinks to individual pages. When I look at, for example, twitter.com/microsoft, it has very few backlinks

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