Recently, when one of my imageless posts was shared on Twitter, I added a featured image so when it is shared in the future it looks better. However Twitter caches the information for the tweet so even though I had added the image, the image was not displaying in tweets.
How to Clear the Twitter Cache
To clear information associated with a shared URL, I did the following.
Step 1: Go to the Twitter Card Validator
I went to https://cards-dev.twitter.com/validator
Step 2: Enter the URL
Then I entered my URL https://salferrarello.com/functions-plugin-mu-plugin-wordpress/
Step 3: Click Preview Card
After clicking Preview Card
, the rendered Twitter Card (with image) was displayed.
Why are Featured Images Important
Featured images (with the help of the Yoast SEO Plugin) populate the Twitter Card when a URL is shared on Twitter, which significantly improves the appearance of the tweet.
Why Do I Have Imageless Posts
I’ve started publishing draft blog posts. Since adding featured images is typically the last thing I do, these draft blog posts generally do not have featured images.
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