Open a article, read the key phrase in the top. Example: Keywords: kitchen decor
here kitchen decor is the key phrase.

Change the H1 and H2 copy to include the key phrase or add it in some where else, like make a header more.

Save and close. This is very quick, often less then a minute if you are good at English. Max a few minutes. But not the first times, one need routine to get into speed.

Please do this as soon you have a candidate for the work.

I will try to get time to make instructions to the next test to, it will be on other articles.