HTML meta data
Meta data is such data in HTML which is written in between <head> and </head>.These contents do not appear in HTML output but these contents are used by search engine crawlers to identify sercheable contents.One may place the keywords,author name,language information and other information using meta data.
Meta tag for adding keywords
<meta name="keywords" content="Best HTML tutorial,Best place to code,Best place to learn.">
Meta tag for adding description of web page
<meta name="description" content=" HTML Online coding tutorial.">
Meta tag defining author of web page
<meta name="author" content=" Ashutosh Shukla.">