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.
- rel=amp HTML tags
- hreflang tags
- Canonical tags
The answer(s) to the question is highlighted in the BOLD text above. You can also find more questions and answers related to the exams on the “Technical SEO course with Bastian Grimm” page.
