Mobilegeddon is a name given by webmasters and web-developers to Google's algorithm update of April 21, 2015. The main effect of this update is to give priority to web sites that display well on smartphones and other mobile devices.
There are many benefits of social media like increase your website traffic and sale. higher conversations rate, improve brand loyalty, decrease marketing value, Return customer, etc.
There are many things which most important in Onpages like Meta tags (Title, description, Keywords), H1 to H6 tags, Alt tags, Sitemap.xml, Robots.txt, Keywords density, Content, WC3 Validation, etc.
Organic results mean you use various techniques for building a high backlinks and get a quality backlinks and increase your keywords results. Its called organic result.
If you want to get rank first your website on major search engines. then First you check Onpage, after web 2.0 creation, guest posting, Blog communities, Local business listing, reviews on google listing, press release submission, PPT submission, Video submission, and bookmarking.
There are many social media sites but nowdays, most popular social media's websites are Facebook, Twitter, Instagram, Linkedin, Reddit, Stumbleupon, Diigo, Pinterest, VK, Google+, etc.
Matt Cutt is a Google Spam Team's Head. He is check the all google algorithams that how they work and also check what is next Update in google algoritham.
keyword Planner tool is free from google. Just registration in Gmail and you set up keyword, sitye name and country name after you click on save button.