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Duplicate pages may appear on your website without you even knowing. They negatively affect rankings and can lead to keyword cannibalization. Learn how to spot duplication issues on time, what actions to take to deal with existing duplicates, and how to avoid them in the future.

Visitors usually see a 404 page when a URL is no longer accessible. The error informs users that the page they have been searching for is missing. In this article you will find out why webmasters need a custom 404 page, what features it should have, and how to avoid mistakes when creating a 404 page.

The proper use of canonical tags is a part of SEO basics. However, if set incorrectly, canonicalization may not bring the desired result and lead to lower rankings due to duplicate content issues. In this post, you'll find all the necessary tips and tricks that will help you properly use canonicals for various purposes and avoid all the possible pitfalls.