Description:
Description is the defintion of your blog. It describes the what about your blog or website is. It is very important because search engine first search for description. Normally your description should be in the range of 120 characters as search engine crawls first 120 characters of your blog’s description. So it is best to keep your description limited to 120 characters.
Keywords:
Keywords are the key to your blog. Search engine goes to keywords after searching the description of your blog. One to Three words made a keyword. But keywords containing 2 words considered best for the blog as it reduce the compition. Normally people use one word keyword in their home pages and 2 word keywords in sub pages. No of keywords for a blog should be limited to 10. If you will increase the keywords search engine will not crawl all of the keywords and your blog will go down.
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