Website seo help?

[Ghislain]

H1 tags are not a high ranking factors in SEO today, but it's still a great way to tell search engines what your webpage is about.
I checked your website and you used webbly to build it. So here's how you can easily add the h1.
2 steps and the 3rd step is optional.
1.Drag and drop the custom HTML element to where you want it on the page. (the custom element tab is located on your right)

2.Step 2. Enter Your Title with the Proper <h1></h1> Code
Simply enter whatever you want your title to be between opening <h1> and closing </h1> HTML tags. For example
<h1> is the opening HTML tag for your title and </h1> is the closing HTML tag for the same. If you forget to add the closing </h1> tag, then the rest of the page may also render as H1 . . . and, whoops, that's not really best practice by any standard.

Step 3. (Advanced) Define the H1 Tag in Your Main-Style CSS
Click on the Design tab and then Edit HTML/CSS

Click on main-style.css and find the h1 CSS definitions.