The term White hat SEO refers to ethical Search Engine Optimization techniques.

White hat SEO follows the guidelines set down by the search engines themselves such as naturally linking to others sites and not buying links which the search engines don't like. Generally, search marketers who practice White hat SEO (ethical organic search marketing) techniques try to improve their organic rankings in the search engine results pages (SERPs).

In search engine optimization (SEO) terminology, White Hat SEO refers to the usage of SEO strategies, techniques and tactics that focus on a human audience opposed to search engines and completely follows search engine rules and policies.

White hat SEO is nothing but strategies which are considered ethically correct and legitimate by SEO's as well as search engines while indexing a site.

White Hat SEO is the opposite of Black Hat SEO. Generally, White Hat SEO refers to any practice that improves your search performance on a search engine results page (SERP)while maintaining the integrity of your website and staying within the search engines' terms of service. These tactics stay within the bounds as defined by Google and other big search engines.

list of popular white hat SEO techniques..

1. Use Spiderable Code – HTML is best, but PHP and others work.
2. Title Tags - Make them unique.
3. Description Tag – Use as summary of the page.
4. Image Tags – Use all 4 of the standards Height, Width, Alt & Source.
5. H Tags - Use headers for proper structure.
6. Semantic Mark-up - use bold and italics to highlight important information.
7. On Page Content - Write using the words searchers use.
8. Keyword Research – Use online tools to discover what people are searching for.
9. Site Architecture – Good internal linking will spread your link value efficiently.
10. Link Building – Think for valuable links. Link Building comes in many flavors.
11. Linkbaiting – Make content specifically to entice linking.
12. Submit to Directories - Many directories are still well used, their link value is good.
13. Link Request – Talk to people who have a legitimate reason to be interest in your content.
14. Use Social Media - Many of them let you link to your site.
15. Use Forums – Participate in forums and many of them let you have a signature.
16. Make Comments on Blogs – Many link to commenter’s site.
17. Make a Blog of Your Own – This is a good way to make content on a regular basis.
18. Contribute Content to Social Media – Participating in user generated content sites will help you make more connections on the web.
19. Write Press Release – This isn’t as powerful as it once was, but it is still available.
20. Write Guest Blogs – Every blogger likes a day off and you get a chance to link.
21. Make a Credit - Lots of people accumulate links through credit links for their tools, images and design work.
22. Robot.txt - Tell the spiders where to go.
23. Site Maps – Tell the spiders where to go, use XML and HTML.

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