Fill in the blanks. When you want to use ___, make sure they are placed in plain HTML/X-robots tags. ___ injected by JavaScript are considered less reliable, and the chances are that Google will ignore them.

✅  The correct answer is:

Canonical tags

Question:

Fill in the blanks. When you want to use ___, make sure they are placed in plain HTML/X-robots tags. ___ injected by JavaScript are considered less reliable, and the chances are that Google will ignore them.

Solution:

  • rel=amp HTML tags
  • hreflang tags
  • Canonical tags