Permalinks are the permanent URLs that point to your blog post. As soon as you publish a blog post, a permalink for it is created on your blog. You can change or modify it at any time. Some blogger prefer to keep the default permalinks while others delete it and create their own custom permalink structure.
There are 5 different type of permalinks like:
1) Plain Permalink
2) Day & Name Permalink
3) Month & Name permalink
4) Numeric Permalink
5) Post Name Permalink
In Most of Post of blogger implement post name permalink method
Permalink Tools Generator
Creating a good permalink structure for your website can be tricky. If you're not careful, they can mess up your internal linking or cause duplicate content issues. Never fear; we've got your back. Here are free tools to help you create PERFECT permalinks. 👇👇👇
Permalink is important for search engine ranking. SEO expert advice to use SEO title permalink structure. This helps make your permalinks keyword-rich. It makes it simpler for search engines to determine the topic of your content, and it will help your website rank higher in SERPs.
When creating permalinks it is important to remember that the structure must be compatible with your chosen blogging platform. This mostly means making sure you do not include any illegal characters like Underscore(_), slash(/), comma(.), etc...
The length of a permalink URL is important to the structure of a page's permalink. If you use more than sixty characters, you interfere with a page's ability to rank on Google search results.
If you want to know about how to add permalink in blogger? then visit once.