This is very crucial for webmaster to make site easy to accessible and crawlable for getting top ranking in search engines. To improve website ranking in search engine it is important to make website that is easy to navigate and easy to accessible.
Generally search engines crawl websites from top right to bottom left. Write content at the top right of the page if possible so search engine can see content when page is loading and also include your main keyword or content at the end of the page.
Once you implement above changes in your website your website natural ranking will be improved.
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