Keywords falls under the category of On-Page Optimization.. Using this kind of strategy will surely help you to get better results..
[b]5. Keyword Positioning where to place your main keywords[
a) Keyword in title tag <title></title>
b) Keyword in Description Meta-tag
c) Keyword in Keyword Meta-tag
d) Keyword in Page Contents
e) H1, H2 and H3 (Heading)
5a. Keyword in title tag <title> . . . </title>
Keep your title short, roughly 20 60 characters
Include your targeted keywords in your title. Place your most targeted phrases at the beginning.
Titles appear in search engine listings; a short, attractive title may help make users click through to your site.
Avoid: missing titles, irrelevant titles, welcome titles etc.
Use different titles for every page.
5b. Keyword in Description Meta-tag
<meta name="description" content=" "/
Describe your page in Meta description tag in max. 200 characters.
Include your targeted keywords in your description.
Some search engines display Description tag info along with the title in SERP so write it to grab users attention.
5c. Keyword in Keyword Meta-tag
<meta name="keywords" content="keyword 1, keyword 2, keyword 3, "/>
Keep the tag to a maximum of 10 key phrases and separated by comma (,)
Every keyword listed under keyword tag should appear at least once in your web page content (body). If not, the keyword will be considered as irrelevant spam.
Some search engines avoid this tag. But, you shouldnt.
Avoid repeating keywords
Only use keywords that are relevant to your page contents.
5de. Keyword in Page Contents &
H1, H2 and H3 (Heading)
Your keywords should appear at a ratio of once every 20 words.
If you do not have much text in your web page, ensure you have it displayed at least once.
Most relevant keywords should be near the beginning of the content (body) and also in large fonts.
Use your targeted phrases in paragraph headings and in the beginning paragraphs.
Don't use techniques such as keyword stuffing or invisible text.
Place your most relevant keywords in H1 tag, secondary keywords in H2 and H3 tags.
Keyword Font Styles
Your keywords should be placed in tags which will emphasize the keywords such as Strong, Bold, Italic or Underline styles and even in larger fonts.
Image ALT Tags
Images should be described using ALT tags. You should use ALT tag to describe the images; not to list your keywords.