Anybody who knows how search behaves for users queries will be successful to rank well. Knowing search behavior is key knowledge that helps to understand how keywords as well backlinks work for top listing. Search logic will help to improve the solid business conversion and it should come through experience handing various domains both international and local.
As always search engines like to crawl content pages easily and code analysis knowledge for a SEO person is very much essential and it will help to format the code by removing unwanted or arranging codes in a desired format, adding right search engine friendly tags that support easy web page crawl and as well help to reduce the pages size.
Hope the SEO formula made you to think and if you know something similar or have come across any other, feel free to post it through comment section.