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Here's the Twitter card image fix for Joomla sites

  • John Pitchers
  • Blog

Twitter cards are awesome. When they are set up properly on your site Twitter can display a summary of your article, with an image, right there in the users stream when ever your content is shared. But, by default Twitter isn't able to show images from Joomla sites. It's a very easy fix.

If your Twitter cards are working but not showing images there is a very simple fix. Joomla's robots.txt file blocks access to the images directory. 

The robots.txt file is located in your site root. Open it and remove the following line.

Disallow: /images/

That's it. Easy peasey.

Use the Twitter card validator to check your card is working.

Note. Twitter cards and Open Graph data are not automatically generated by Joomla. There are numerous plugins available to provide this funcitonality. Most plugins only cater for Joomla content. Many of the sites we build have a mix of Joomla items, K2 or Zoo, events, contact pages, etc so I've got my own code that gets built into my templates and customised on a site-by-site basis. But, that will be the subject of another post.

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