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Google - Under the Hood

XGoogle -under the hood Dive into search and learn more about what happens behind the scenes of Google Search. Life of a Query If you're using Google Search you might sometimes wonder how it looks like "behind" the white homepage. Google indexes billions and billions of web pages, the index is well over 100 million gigabytes, but how can Google navigate through all this information? 1 Million Computing Hours Google spent 1,000,000 computing hours to prepare the index. Unique Queries 20% of unique queries are new to us every day. Over 1 Billion Searches Daily There are more than 1 billion searches each day on Google. Waiting time More than 1,000 man-years have gone into developing the Google search algorithm. 450 Billion Unique Queries Since 2003 Google has answered 450 Billion new unique queries – searches we have never seen before. Scale Over the past year, we increased our index size by billions of documents. Our Caffeine index is more than 100 million gigabytes. Over 1,500 Miles To Get The Answer Every query has to travel on average 1,500 miles to get the answer back to the user. Lightning Fast Previews Instant Preview loads in 1/10th of a second on average. 1 billion searches every day Google deals with more than 1 billion queries a day from all around the world returning results on an average of 0.25 seconds. Instant Search Google is trying hard to make search results instantaneous. You can search by voice, too, Google engineers are implementing smart coding on the back end and they have a world- wide computing network to ensure fastest response times. Realtime search Case study 2011 - Egyptian Revolution On Jan. 28, 2011, three days after the start of the Egyptian protests, there were 245k tweets containing the word "Egypt". Google also indexed 10M new blog posts and 22,350 news results citing Egypt in the 48 hours after the protests began. "egypt" - 245.000 Tweets 10.000.000 New blog posts 22,350 New results 48 hours keyword mobile search for anything, anywhere Google published data showing that mobile search has increased five-fold in just the past two years - a rate comparable to early days of desktop Google Search. 8+ Navigation Translate Google Earth Google+ Voice Actions Google Goggles Google Maps Navigation is an internet-connected GPS navigation system with voice guidance. Translate languages from around the world. This is a free statistical translation tool. Explore the world from the palm of your hand. Google Earth offers maps Google's new social network. Real-life sharing rethought for the web, wherever you are. Control your Android phone just by speaking using Voice Actions. Take a photo of something you are interested in. Let the Goggles find all the details. and satellite views. The Experiments Lab Google tests the newest state-of-the-art technology right with you, the user. Every time you search you're involved in more than one lab. CN <> CN Auto complete experiments Google continues to experiment with different speeds for how quickly they update the results while you type in Google Instant. They experimented also before launching word complete. Search Ranking experiments Google experimented before launching their recent algorithmic improvement to help people find content from higher quality sites. User Interface Experiments Before new features are launched globally, Google turns on major features for a percentage of users. Experiments in 2010 Goggle is always doing experiments. During 2010 they realized over 6000 specific Search Experiments. There is no single “Google" People often talk about "the Google results" but the truth is there is no single "Google" - at any given time there are 50-200 different versions of their core algorithm out in the wild. Millions more when you realize your search results are personalized to you and you alone. To get the most personalized experience, log in to your Google account. 500 Google changes every day. 500 changes are implemented to the search algorithms every year. changes How do they make changes? idea testing decision Google researchers think of improvements and give hypothesis of what might be changed External people judge the results of a change Results are confirmed with live experiments on real users Data-driven decision is made weather to incorporate the change or not blogsearchengine Source: http://www.google.com/insidesearch/underthehood.html The creator of this infographic is NOT affiliated with Google. ul... lo 3.

Google - Under the Hood

shared by kcatoto on Jan 24
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This offers some fantastic data, in a visually appealing way, that SEOs can discuss with their clients. SEO is not easy, ranking is not easy and our job is not easy. I think if you look at the followi...

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