How to choose a Blogger template?
Each blog has different needs, but there are common characteristics to consider when determining if a template is the most appropriate.
Responsive design allows you to offer a consistent experience on both desktop and mobile devices and to reach a wider audience.
A design that with a fast load offers a better experience, which translates into fewer readers leaving your site prematurely and a better positioning in search engines.
A template with well-constructed titles, quick loading, well-organized code, etc. can help you greatly in the task of optimizing your site for search engines.
Well designed gadgets
If the template gadgets are well integrated into the design you will be able to take better advantage of Blogger as a platform and provide a better service to your readers.
If the author of the template offers support or installation (usually available in the non-free version), it can save you hours of work and many headaches.
How to customize a Blogger theme?
There are several ways to customize a Blogger theme, but the way to make changes varies from template to template. In general:
1. Read the information inside the documentation link carefully. Here you will find how the author prepared the template to be modified.
2. Try the template designer in Blogger. Most modern templates support color and font modification from:
Blogger → Theme → Template Designer
3. Go to the Layout section and explore and change the settings of the main gadgets to your liking.
Blogger → Layout
4. For large or more advanced changes it is advisable to learn a little HTML and CSS.