Some Basics i Learn

Speedy load time. Google says this should be five seconds or less.

Why Responsive
1. It saves resources for both your site and Google's crawlers

SEO
==============
Note:
Be sure not to block the crawling of any Googlebot of the page assets (CSS, JavaScript, and images) using robots.txt or otherwise. Being able to access these external files fully will help our algorithms detect your site's responsive web design configuration and treat it appropriately.

Vary HTTP header
Google Page Speed

Paid Advertisement
Facebook Ads: Wall Ads and RHS Ads Advertisement
Google Adwords: Google Search Network, Google Display Network, Remarketing
Google Merchant Center: Show Product Listings on Google Search
Yahoo and Bing Advertisement: Text Ads Advertisement

Other Google Tools Used
Google Webmaster
Google Analytics
Google Adsense
Google DFP

Contexual Targeting
Customized Location Targeting

SEO Tools
Ahrefs, MajesticSEO, CognitiveSEO, Moz (Opensiteexplorer), BrightEdge, SEO PowerSuite, RankChecker, SEO Tools for Firefox

Design Languages
Javascript, CSS, CSS3, Jquery, Mobile Jquery, HTML5, Schema

Programming Languages
PHP, JSP, Java, Servlet, AWT, Swing, Applet etc.

Database Language
SQL

JS Library
jQuery, Prototype, Dojo, YUI, angularJS, backbone JS, NodeJS, KnockoutJS, ExtnJS, Nginx

Web Servers
Tomcat & Apache

Paid Tools
Google AdWords, Adobe Search Center, Kenshoo or Marin

Campaign Optimization
keyword optimization, search term reporting, keyword expansion, GDN/Content campaigns, sitelink optimization, adcopy optimization, time targeting, latency analysis, attribution analysis, geo reporting

Excel
Vlookups, basic formulas like sum, sumif, iferror, etc.
Pivot Tables and Graphs
Macros

IDE
Eclipse, JBuilder, IntelliJ, NetBeans, Notepad++, Geany

Application Server
JBoss, BEA Weblogic

Data Sharing Center
SVN, GIT

Framework
Dojo, Symfony Framework, Zend Framework, Cake Php, Smarty

Security Knowledge
Cross Site Scripting, SQL Injection, Input Validation

Caching Technologies
Memcache/Tokio Tyrant/Redis

Database
MySQL, Postgres, MongoDB, HBase

CMS
PHP Fox, Codeigniter, Core, Dolphin Fox, Magneto, Wordpress and Drupal

Software
Linux, Cassandra database, Mongo DB, HUDOC database


Enable GZip Compression through .htaccess File
==================================================
<ifModule mod_gzip.c>
mod_gzip_on Yes
mod_gzip_dechunk Yes
mod_gzip_item_include file .(html?|txt|css|js|php|pl)$
mod_gzip_item_include handler ^cgi-script$
mod_gzip_item_include mime ^text/.*
mod_gzip_item_include mime ^application/x-javascript.*
mod_gzip_item_exclude mime ^image/.*
mod_gzip_item_exclude rspheader ^Content-Encoding:.*gzip.*
</ifModule>