Blogger (Blogspot) in 2019:
Google the internet giant owned Blogger (blogspot) is still most used blog platform in year 2019. Many professional blogger love to create blog by using Blogspot platform because of many benifits which is not available with selfhosted platform like WordPress, Drupal or Joomla.
I also choose blogspot for my personal website- rohitagarwalblog.blogspot.com (Full website, not blog).
Why to choose Blogger/Blogspot-
Complete Freedom: Blogger gives you complete freedom, you can edit HTML and change everything. Even you can create full business like website with blogger by editing blogspot template (Theme). You can insert any script, css or 3rd party tools too. You can also add any advertisment network ads on you website and earn money with blog.
Totaly FREE: Yes, Blogger or blogspot platform is free for everyone, You have not to worry about hosting fee or CMS maintenance fee. All managed by Google servers. There is no hidden charges, everything is free for life.
Security and Backups: As blogger is hosted by Google itself, there is very less chances of hacking and downtime. Your hard work will safe without any worry. You can also backup your blogger complete data like post, pages or theme.
SEO Friendly: Blogger/Blogspot is known for SEO friendly nature, Your every post and page will crawl by Google search without any manual submittion. Even a new blogspot website can rank in Google 1st page.
Future Proof: Yes, If you want to move your blog to WordPress selfhosted platform in future, You can move it without loosing your blog data. As Blogger.com allow us to Export your data, it can be imported to others CMS like WordPress, Drupal.
Custom Domain: You can add any TLD Domain or subdomain of your existing website. For serious blogging Top level domain is very important, .com/.net is most popular domain extension. You can buy or add domain for your blogger website.
NO Technical knowledge needed: Blogspot website can be setup without any technical knowledge. Web based interface is very simpe to use.
Blogger/Blogspot platform disadvantages:
The only disadvantages is very less features then WordPress selfhosted blog. WordPress gives wide range of plugins optionm which is not possible in Blogspot.
There is no WordPress vs Blogger/Blogspot in 2019, because both have their own benifit. If you want serious blogging both are very good. Blogspot don’t need any technical knowledge unlike WordPress.