The Facebook debugger is going to solve 99.9% of your problems.
But before I explain why, you need to understand how Facebook scrapes your web page, and why you sometimes don’t see any change when you share your page.
Take this scenario for example.
You (or someone else) share your page on Facebook, but you’re not seeing the image or description that you want. Oh no!
So you then download a plugin to help solve the problem.
Now with the plugin activated and everything is set up properly, you share your page on Facebook again but you don’t see any change. It’s still not showing the correct information, and is in fact still showing the same info it did before. Clearly the plugin is broken, right? Quickly! Bash at the 1 star button!!!
Actually that’s not the case. Let’s rewind a little.
You see, when your page is first shared on Facebook, they (Facebook) ‘snapshot’ the page data (based on the open graph tags) as it was at that time. Most anecdotal evidence suggests they hold this ‘snapshot’ for 24hrs.
Now, if you go and share your page again after you’re got the plugin set up, it won’t make jack sh*t difference to Facebook because they are just going to keep using the snapshot they took of your page before – and keep serving that up for the next 24 hours any time anybody shares your page. Booh!
Luckily Facebook have a tool to solve this exact (and more) problem. Yay!
Meet the Facebook debugger: https://developers.facebook.com/tools/debug/
This tool will let you force Facebook to re-scrape your page right away without having to wait the mandatory 24 hours. After you debug you may have to hit the ‘scrape again’ button a couple of times, but you’ll eventually see the correct information.
And when you’ve done that, any time you or anyone else shares your page it will show the correct information.
Now, armed with this knowledge, you should be able to solve issues like this.
Have at it!
I followed your steps on the scraper and installed this as the default thumb http://thegoldenhammer.net/wp-content/uploads/2017/01/ghFBthumb.png
I re scraped this page http://thegoldenhammer.net/why-the-goetzgate-scandal-is-more-relevant-in-2017-than-2016/ which WAS loading the thumb from this page
So all was OK but because I could then not get any page to load its own thumb and all were getting the default thumb from the plugin then I though to uninstall the plugin and rescrape again thinking that the correct thumb would now show up but instead is recovered the bad thumb again.
The reason I did this was you mentioned a 24 hour sweep but also that rescraping fixed it , so i thought once fixed and re scraped again should result in the correct thumb instead of the default thumb.
What did I do wrong? Are my expectations too high. Should I only expect to ever have the default thumb.
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