Limit the length of your H1 to 50-60 Characters
You can use your focused keyword as a whole but it should look naturally. If you break it down to make your heading more sensible then it’s OK and google loves it if you make it more readable.
For better understanding search this keyword ‘best cancer treatment’ in google and find this keyword in headings of top ten pages. Is it used as a whole or by parts?
Use the keyword but in a way that a reader doesn’t feel it annoying.
Write short paragraphs. Try to add some questions and then give their answers. This will help in voice searches.
It is good to have keyword density round about 3-5%. You can use synonyms, related keywords and LSI. This will help google to understand what are you talking about.
If your niche is digital marketing then the use of these words ’ on page, off page, keywords, LSI, content, website, blog’ will help search engines to better understand your category of indexing.
Write yourself. No matter how bad it is but keep it up. This will give you a good chance of ranking as google follows your footprints. Their algorithms can see your gradual improvements and hence you’ll get a good position.
Always use a proper relevant alt tag, caption and description. If you are writing a blog post then use quality images. You can use canva for free to create images for your blog. Don’t try to steal content of others. Create it by yourself that can explain your thoughts properly.
Write a proper description of the video briefly describing the content in that video file. You should use your keywords even in the description of the video.
Description: If you are new to SEO then Yoast SEO plugin can help you. Use your keyword in the description of the article. Try to explain within 150 words in the description.