Similar threads

Similar threads 7.7

No permission to buy ($35.00)
Compatible XF 2.x versions
  1. 2.1
  2. 2.2
Premium upgrade:

This XF2 add-on along with the entire collection can be purchased for $35.00 USD. Your Premium upgrade will allow you to download as many XF2 add-ons as you like for one year. Please see the entire collection located in the Resources area at this URL:


Shows a list of similar threads when a user is creating or viewing a thread.

The Similar threads add-on will do the following:
  • Show a list of similar threads when a user is creating a new thread.
  • Show a list of similar threads when a user is viewing a thread.
(Example of Similar threads shown in thread view)


(Example of Options page)


(Example of User group permissions)


  • Forum view permissions honored. If a member doesn't have permission to view certain forums, similar threads will not be shown from those forums.
  • Supports Enhanced search.
  • All phrases start with similarthreads_ for your convenience.
User group permissions:

Normally you will want to set "Yes" for the following two user groups:

Unregistered / Unconfirmed

Disabling XenForo similar threads:

Uncheck option

Admin control panel -> Setup Enhanced search -> Search for similar threads when users are creating new threads

Delete widget

Admin control panel -> Appearance -> Widgets -> Similar threads

Creating optional widget:

This widget is used to display a similar threads block in the thread view sidebar.
  1. Admin Control Panel -> Appearance -> Widgets
  2. Widget definition = Similar threads
  3. Widget key = similar_threads
  4. Title = (leave blank)
  5. Display in positions = Thread view: Sidebar
  6. Click Save.
(Example of Similar threads widget)


Enhanced search:

To enable Enhanced search, select in the Options page. Enhanced search gives better similar thread results because it can use stemming.

Question and answers:

Q: Do I ever have to rebuild the search or thread indexes to use this add-on?
A: No.

Q: Are thread titles and posts searched?
A: Only thread titles are searched.

Q: Is the "View threads by others" set to No or Never honored?
A: No. You will need to exclude those forums in the options page.

Q: In order to use Enhanced search option, do I need to install XenForo Enhanced search?
A: Yes.

Q: How do I disable the XenForo similar threads?
A: Navigate here and uncheck:

Admin control panel -> Setup -> Enhanced search -> Enable similar threads widget
First release
Last update
5.00 star(s) 8 ratings

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  • Anchor
    Creates an Anchor BB code media sites.
  • Approve all threads
    Approve all threads
    Approves all threads in approval queue.
  • Post check
    Post check
    Verifies posts have correct associated table data.

Latest updates

  1. See description

    Similar threads v7.7 changes: Fixed issue where emoticons in the thread title caused a server...
  2. See description

    Similar threads v7.6 changes: Added title to similar threads results block.
  3. See description

    Similar threads v7.5 changes: Now works with XF 2.1 and 2.2. Added support for iOS pasting title.

Latest reviews

Was using this on Xenforo 1.5 and great to see it available on version 2.1, this is a must have for any site where members ask a lot of questions, to try and prevent the same questions been asked over and over again! :)
This add-on is crucial for long-standing communities! Very useful for mining all that gold from older, relevant threads... Andy's add-ons are great, and this is one of his best.
Works flawlessly as all of AndyB's addons do. Been using dozens of his modules and his support is the best across the board.
This addon is perfect for our forum, although we don't use all it's features, by providing more content for our users to read as they browse our forum, this addon is a must have. Very good!
If you aren't using this, you're doing your users a huge disservice IMO. This helps my users quickly find similar content that they want to add upon. It improves posting, especially on busier communities.
Excellent add on that does exactly what it says on the tin. AndyB is also super responsive to support queries.
Loved this on XF 1.5 and love it now on XF2. It was one of those addon's I knew I had to keep around after the upgrade, because people would definitely complain about it being gone. In fact, it WAS missing for the first day after upgrading, and people already WERE asking about it. Essential, as far as I'm concerned.
Great Addon! I paid for this one, but get a lot more. All addons from AndyB are available within this payment. Andy also gives a very good costumer service, he's been bussy for a few days with my website, and I don't even know this nice guy. This 25,- USD is the best investment I did for XF2.