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In general, you can start testing as soon as you have a structure to test – either a text dump of your existing site’s IA, or the new IA ideas you’ve been playing with. You’ll also need time to create “find it” tasks that exercise your structure(s), and time for the overhead of setting up the tree tests.
Here’s a sample timeline that we use when we plan for planning tree tests for clients:
- table showing high-level schedule
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