# Canonical tag on topic URL **URL:** \ **Category:** Bug\ **Created:** [2017年二月7日 12:06 UTC](https://meta.discourse.org/t/canonical-tag-on-topic-url/57057 "2017-02-07T12:06:35Z")\ **Posts on this page:** 4\ **Page:** 2
**Author:** ![CosM](https://avatars.discourse-cdn.com/v4/letter/c/a8b319/32.png) [@CosM](https://meta.discourse.org/u/CosM)\ **Post date:** [2017年二月7日 16:56 UTC](https://meta.discourse.org/t/canonical-tag-on-topic-url/57057/22 "2017-02-07T16:56:37Z")
@neil perfect! Also, I still cant figure out why it happened in some topics and not in all of them and why it started complaining lately and not from the start ? Thanks, CosM ---
**Author:** ![neil](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/neil/32/102150_2.png) [@neil](https://meta.discourse.org/u/neil)\ **Post date:** [2017年二月7日 16:58 UTC](https://meta.discourse.org/t/canonical-tag-on-topic-url/57057/23 "2017-02-07T16:58:10Z")
I guess it’s because of this mysterious part of Google’s guidelines: > rely on our own heuristics to understand your content. ---
**Author:** ![codinghorror](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/codinghorror/32/110067_2.png) [@codinghorror](https://meta.discourse.org/u/codinghorror)\ **Post date:** [2017年二月7日 18:18 UTC](https://meta.discourse.org/t/canonical-tag-on-topic-url/57057/24 "2017-02-07T18:18:50Z")
> [@cpradio](#): > > Googlebot is guessing the next possible URL based on the canonical URL. This was already established the last time this topic came up. 100% confirmed and known.. but glad @neil found a fix related to moving those hints to `` The head section will now have ``. ---
**Author:** ![codinghorror](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/codinghorror/32/110067_2.png) [@codinghorror](https://meta.discourse.org/u/codinghorror)\ **Post date:** [2017年二月7日 18:19 UTC](https://meta.discourse.org/t/canonical-tag-on-topic-url/57057/25 "2017-02-07T18:19:39Z")
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