How to prevent duplicated URLs coused by multiple ItemIDs - JoomAce
1. Introduction
ItemID is one of the most important and problematic part of Joomla! and SEF, check out the OSTraining tutorial for more infoabout what is ItemID http://bit.ly/chjojc
1. One article/category pointed in 2 different menus
2. Some modules, not coded well, do not add the correct ItemID to non-SEF links, they add the ItemID of active page to links.
In this article we'll show you how to solve the #1 problem with AceSEF.
As per result, SEF components will generate 2 different URLs for these menu items:

So a second URL for that article won't be created.
NOTE: It's recommended to lock that SEF URL from AceSEF=>URLs page because it's ID is stored in menu item.
1. Introduction
There are 2 main reasons of creating duplicated URLs from multiple ItemIDs:1. One article/category pointed in 2 different menus
2. Some modules, not coded well, do not add the correct ItemID to non-SEF links, they add the ItemID of active page to links.
In this article we'll show you how to solve the #1 problem with AceSEF.
2. Case study
As you can see from the following image, on our live site we use 2 different menus to show the company's articles, Main Menu and Company Menu.
As per result, SEF components will generate 2 different URLs for these menu items:
3. Solution
Since AceSEF 1.5.4, we've implemented a smooth solution for this problem. You will have the oppurtunity to add an AceSEF URL to any menu item:

So a second URL for that article won't be created.
NOTE: It's recommended to lock that SEF URL from AceSEF=>URLs page because it's ID is stored in menu item.

