A generator automatically make canonical link for hexo. You could use this module for your SEO of blog powered by hexo.
npm install --save hexo-auto-canonical
Add an auto canonical helper simply to your html's <head> block as follows:
with ejs,
<%- autoCanonical(config, page) %>OR with jade,
| !{ autoCanonical(config, page) }Copyright (c) 2016, HyunSeob. Licensed under the MIT license.