What is link building in SEO?

Related questions

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2. Do Google reviews affect SEO?
3. What is an empty anchor?
4. What is PBN?
5. What is an example of a backlink?
6. What is crawling in SEO?
7. What is difference between anchor and link tag?
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10. What is the difference between HREF and href?

Tags

1. #build
2. #resource
3. #building
4. #right
5. #search
6. #however
7. #higher
8. #wrong
9. #backlinks
10. #tactics
11. #quality
12. #links
13. #therefore
14. #there
15. #worthy
16. #signal
17. #sites
18. #optimization
19. #rankings
20. #google
21. #because
22. #engine
23. #citation