Hi there, I just got this warning message from Google Webmaster Tools about my Discourse forum:
Google systems have tested 61 pages from your site and found that 28% of
them have critical mobile usability errors. The errors on these 17
pages severely affect how mobile users are able to experience your
website. These pages will not be seen as mobile-friendly by Google
Search, and will therefore be displayed and ranked appropriately for
The detailed warning for every one of the specifically flagged pages says:
Make sure your pages don’t require horizontal scrolling to view completely.
All of these pages do contain large (in terms of dimensions) images in the post contents. However, I checked these pages on my Samsung Galaxy S3 smartphone in portrait and horizontal orientation with the stock Android browser and with mobile Firefox, and they navigate like a dream, with all the images perfectly scaled and no horizontal scrolling necessary (or even possible).
I have made absolutely no customizations to the default Discourse styles, with the exception of adding the Adsense plugin, which incidentally is configured to use responsive ad sizes and also works correctly by adapting to different devices’ screen sizes.
I normally wouldn’t care about these Google Webmaster errors, but it appears that these perceived errors will result in my Discourse site being penalized in Google search results, which is a Bad Thing™. Any suggestions or comments? Thanks!