Let’s take a look at the WordPress tags example. Suppose you run a culinary blog, and you want to add a recipe for shrimp pasta. How to create the right tag structure in this case? Your specific tags may be based on the words: pasta, shrimp, gluten free recipes, homemade food and dinner.
Tag names should be carefully considered so that the same tags can be applied to multiple posts. All the posts about dinners can be found on the dinner tag page, so the tag helps the user find exactly what they are searching for (e.g. gluten free recipes). And I have one question, do you know difference between categories vs tags