What's with blogger headlines?

Question

Blogs

From school I write, from the institute - on IT topics, from graduate school - I publish, and more recently - on my blog (well, it will be too much to put a link). For the latter, I use blogger.com.

I understand xml, OOP (sorry, with a capital letter), girls, and maybe a couple of things at most. But I've been wondering for 3 months now, where is the <h1> heading on my blogger pages? Moreover, why is the title of the article framed by the heading <h3>?
That. so that the structure of my article is perceived by the robot when indexing and by me when reading (yes, I read the layout) is not perceived as 'porridge in the author's head', I need to frame the headings of the parts of the article (in fact, headings of the 2nd level) with <h4> tags .

I have a vague doubt that I am getting old, stupid and doing something wrong.
Tell me: what about the headlines in blogger?

Answer 1

In HTML5, the absolute value of the header digit is irrelevant , i.e. in this context <h1>and are <h3>equivalent.
To build the correct structure, you can use <h4>, or, more simply, <section>other separator elements. Within a section, the numbering of headings starts anew.
Therefore, the following three entries are practically equivalent.

<h1>Foo</h1>
<h2>Bar</h2>

<h3>Foo</h3>
<h4>Bar</h4>

<h3>Foo</h3>
<section>
  <h1>Bar</h1>
</section>

Answer 2

Isn't it possible to change the layout in a blogger in any way?