When you post a link to a video or a website or blogpost in Facebook (or any other site), it is saved as it is in that moment (cached). To be clearer, if I drop the link to my blogpost titled “About Awesomely Techie” into Facebook, and I later change the title of the post to “Awesomely Techie: The Beginning,” the title it will have is the old one.
The storing of information is referred to as “caching” and it includes things like featured image, description and more. The internet caches things to allow it to recall them easier and load things faster. If every single time a website loads, it is checking the server for instant updates, it’d take a long time. Caching is for our greater good.
Now, there are times when you make changes to your site or blog or video that you want to make sure are reflected immediately on Facebook. Sometimes, you see a spelling error in your title. This is where the Debugger comes in.
Facebook Debugger is a tool in their Developers section. It shows you how a link is displaying in Facebook currently, and if you need it to refresh the cache (grab updated info), this is where you make that happen.
Click on “Show existing scrape information” to see how things are. When you’re ready for it to refresh, click “Fetch new scrape information.” This forces Facebook to go back to the source and grab whatever is new about the link (like title or featured image or description).
This is the best way to make sure everyone is seeing the latest from your website.
Why should you be using this tool? In summary:
- Because you’ve changed your mind about the title of a page and need it to be refreshed immediately
- Because you’ve changed the featured image of the page
- Because you’ve changed the description
- Because you’ve made any changes to a page/video/link
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