On page techniques include lots of thing like:
1) Search engine marketing strategy analysis.
2) Detailed site Analysis.
3) Keywords researched.
4) Keywords optimized.
5) Site page optimization.
6) Seo friendly navigation and design optimization.
7) Html code and meta content.
8) Images and links too be optimized.
9) Html site map creation.
10) Google site map creation and regular upto-dation.
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london seo agency