More social networks 'cache' specific data about your posts when they are first shared to the platform. The social networks store this information for usually around 30 days (although this can vary). So if you've made significant changes to your metatags, you may need to instruct the social networks to reset their cached data for your pages and get the most up-to-date information.
Facebook
- Visit https://developers.facebook.com/tools/debug/sharing/
- Enter your url and click on Debug
- To force Facebook to recrawl your page for updated information, click on the Scrape Again button.
- Now try sharing your url on Facebook again
LinkedIn
- Visit https://www.linkedin.com/post-inspector/inspect/
- Enter your url and click on Inspect. You will see the updated preview image.
- Now try sharing your url on LinkedIn again
Twitter
- Visit https://cards-dev.twitter.com/validator
- Enter your url and click on Preview Card. You will see the updated preview image.
- Now try sharing your url on Twitter again
Pinterest
- Visit https://developers.pinterest.com/tools/url-debugger/
- Enter your url and click on Validate. You will see the updated preview image.
- Now try sharing your url on Pinterest again