Hello Readers,

Usually we all uses the meta tags, but don't know properly what are these, their actual uses & their importance? So here I will explain you about meta tags and i hope it will be very helpful for you.

So let's start with definition :-

Meta tags are special type of html tags but these meta tags are not used in the html page to enhance the display of webpage on browser, however these Meta tags are special tags that are being used by the search engine so that search engine capture these meta tags into its index and display the webpages results in search engine result page. Some of the important meta tags that search engine identify are Meta Title, Meta Description, Meta keywords, Image alt tags, etc. Few things that are associated with Meta Tags are : -

All meta tags are placed in header section of the code.
Meta tags are used for Search engine Optimization purpose.
Meta tags are used to give instruction to the search engine robots/crawler.
Meta Title is an important tag which helps to get a webpage good rank on search engine for a certain keyword.

Blow are 45 example of meta attribute

    <meta charset='UTF-8'>
<meta name='keywords' content='your tags , other , etc'>
<meta name='description' content='130 words'>
<meta name='author' content='name, emailid@123.com'>
<meta name='subject' content='your website's subject'>
<meta http-equiv="refresh" content="10; url=http://wesiteURL.com" />
<meta name='robots' content='index,unfollow'>
<meta name='copyright' content='company name'>
<meta name='language' content='ES'>
<meta name='revised' content='July 11th, friday, 2014, 6:45 pm'>
<meta name='url' content='http://www.weburl.com'>
<meta name='directory' content='submission'>
<meta name='reply-to' content='emailid@123.com'>
<meta name='owner' content=''>
<meta itemprop='name' content='jQTouch'>
<meta http-equiv='Expires' content='0'>
<meta http-equiv='Pragma' content='no-cache'>
<meta http-equiv='Cache-Control' content='no-cache'>
<meta name='MobileOptimized' content='480'>
<meta name='identifier-URL' content='http://www.websiteURL.com'>
<meta name='rating' content='General'>
<meta name='revisit-after' content='5 days'>
<meta name='distribution' content='Global'>
<meta name='abstract' content=''>
<meta name='topic' content=''>
<meta name='summary' content=''>
<meta name='Classification' content='Business'>
<meta name='designer' content=''>
<meta name='y&#95;key' content='1e39c508e0d87750'>
<meta name='pageKey' content='guest-home'>
<meta name='pagename' content='jQuery Tools, Tutorials and Resources etc'>
<meta name='category' content=''>
<meta name='coverage' content='global'>
<meta http-equiv='imagetoolbar' content='no'>
<meta http-equiv='x-dns-prefetch-control' content='off'>
<meta name='subtitle' content='Subtitle here'>
<meta name='target' content='all'>
<meta name='HandheldFriendly' content='True'>
<meta name='date' content='Sept. 24, 2014'>
<meta name='search&#95;date' content='2014-07-24'>
<meta name='syndication-source' content='https://URL/'>
<meta name='original-source' content='https://URL/'>
<meta name='verify-v1' content=''>
<meta name='DC.title' content='content here'>
<meta name='Resource Loader Dynamic Styles' content=''>
<meta name='medium' content='blog'>

Now i will explain, Which we are often used.

<meta charset='UTF-8'>

Charset meta attribute use in HTML5 and this replace with <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> of html 4.1 meta tag. Baseically it is specifies the character encoding.

<meta name='keywords' content='your tags , other , etc'>

keywords attribute is very popular in seo. In this meta tag you defines keyword of your website which will be search on search engines.

<meta name='author' content='name, emailid@123.com'>

To use this meta tag you specifies the name of the author of the document.

<meta http-equiv="refresh" content="10; url=http://wesiteURL.com" />

This meta tag used for refresh page after a particulate time or render the page another URL on a defined time.

<meta name='robots' content='index,unfollow'>

This is one of important meta tag, It is used for instructing crawler of search engine which webpage to crawl or not.

<META NAME="ROBOTS" CONTENT="NOINDEX, FOLLOW">
    <META NAME="ROBOTS" CONTENT="INDEX, NOFOLLOW">
    <META NAME="ROBOTS" CONTENT="NOINDEX, NOFOLLOW">

Default is "INDEX,FOLLOW", so there is no need to spell is out.

Follow :- It tells the search engines robots (spider*) to follow the links on the page, either it can index it or not.

Nofollow :- Tells the search engines robots to not follow any links on the page

Index :- Tells search engines robots to index the page,It's default so no need to spell it

Noindex :- Shove away search engines robots to showing this page with results.

Note :- Spiders are that softwares and programs which developed by search engines for crawl the web for website to add them in database.

Note :- More than 210 Meta tags Search Engine Spiders are available.