Big drop in Google traffic after migration

[sam (Sam Saffron)]

See previous discussion here:

Massive traffic drop from Google searches after migrating from myBB

Almost 3 weeks ago we migrated an old forum from myBB to Discourse, bringing all the content and creating proper 301 redirects for all old threads, categories and topics. Since the move, our incoming traffic from search engine has dropped over 20%, so far inexplicably. Our SEO consultant has highlighted that serving different content to the crawler may be one of the reasons that Google treats the new forums so poorly compared to the past. The version seen by Google of a topic page for example c…

At a minimum be sure to follow all the stuff there, proper 301 redirects for EVERY old topic URL pointing to new one. Potentially consider sitemap to accelerate stuff.

If you have a blanket 302 just pointing to the main site I would expect pain.

You need a lot more details here:

• Example of OLD url
• Example of NEW home of content