Once you identify your target keywords, make sure you include them into the title of your page, the body copy of your page, and if possible, the URL, Search Engines like Google are getting smarter about figuring out what a particular page is about, but it still helps to make it really clear your page is about a specific keyword.
• A Web page’s title tag is still the most important attribute you can use from an SEO perspective, Use your main keyword phrase in the beginning of the page title tag. The first 64 characters of the title tag are shown as the click-though link in a Google search result. Every page of the website should have a unique page title tag.
• Meta description a good description can attract visitors from the search results page. Include one or two keyword phrases that describe the page’s content, and keep meta descriptions under 160 characters.
• The H1 tag is the main header of the page. Have only one H1 tag per page. This header needs to appeal to the page visitor and describe the page.
Use the page’s designated keyword phrase “at least once near the beginning of the content, and also anywhere it makes sense. Don’t use the keyword phrase, its variation or a synonym more than 4-5 times per page.
• Alt tags are the floating descriptions that show up when you mouse over an image. It’s usually best practice to use keywords and their variations in the alt text of an image, and also in the image filename.
You should try optimize your top ten pages based on traffic and expand outward from there.