Question

What better url?

this:

Forum/{forumId}/Section/{sectionId}/Thread/{threadId}/

for example:

Forum/1/Section/2/Thread/3

when the topic with ID = 3 is contained in the section with ID = 2, which is contained in the forum with ID = 1, return some view, otherwise(topic with id=3 is contained in the section with ID = 5) return 404 error

---

or simply

Forum/{ForumId}
Section/{SectionId}
Thread/{ThreadId}

Answer 1

Your URLs should have the following features:

1. Identifiers so you know what to display
2. A description of the content so the user can tell what they’ll be seeing by glancing at a URL
3. A description of the content so you maximise your Search Engine Optimisation.

With this in mind, I’d suggest the following, which is a variation on option 2:

For a forum:

Forum/{forumId}/{forumName}

For a section:

Section/{sectionId}/{forumName}/{sectionName}

For a thread:

Thread/{threadId}/{forumName}/{sectionName}/{threadTitle}

You won’t actually use the included forumName, sectionName and threadTitle, but they help with points 2 and 3 above.