Learn

1. Clean Code, YouTube
2. PHP: The Right Way, link

Todo - Project repo, doc

1. Look into Publons API access

Todo

1. Allow other web sites to make link previews #513
   1.1 Add Open Graph meta-tags
   1.2 Add Twitter meta-tags
   1.3 Add HTML meta-tags
   1.4 Pass the behat test
2. Add citation button #83
   3.1 Remove html entities from Text return

Done

1. Add hypothesis metadata schema
   1.1 Update robots meta-tag and pass the behat test

Reference

1. google meta tag
2. robots tag
3. follow/nofollow
4. noindex, nofollow, disallow
5. noodp, noarchive