Search Engines

Understanding how search engines work, Google in particular, is important when working in SEO. The basics of crawling and indexing are amazingly useful to understand if you want to rank your own content.

Additionally, Google updates its algorithm several times a year. Understanding the more significant updates, and how they work, can help you to craft content and SEO strategies that are up-to-date.

We've written extensively about how search engines work, and included some of the top resources here. You can also browse the latest posts on search engines from the Moz blog below.

A Visit to Google Kirkland
Search Engines

A Visit to Google Kirkland

Danny Sullivan was in town over the weekend and on Saturday night, Vanessa Fox from Sitemaps invited Mystery Guest and me over to Google's Kirkland offices. We had a ton of fun and got to meet some new (and very friendly) Googlers. Just a few photos: ...
A Google Link Search that Returns Perfect Data
Search Engines

A Google Link Search that Returns Perfect Data

For several years now, Google has disabled its link command via web search. Actually, what it's done is worse, providing mis and dis-information, causing thousands of search marketing professionals to receive questions every day on why "Google only knows about 10 of my links." However, I was thrilled today to find that their link search works flawlessly in their ...
Peeking Inside the Google Engineers' Toolbox
Search Engines

Peeking Inside the Google Engineers' Toolbox

Ever since I first saw Matt Cutts, Google's head of search quality, "investigating" sites through his super-secret application (during an SES conference in NYC); calling out spammers and identifying crawl and ranking issues for curious site owners, I've wondered about the content of his tool collection. What secrets can Googlers pull up on comma...
Home Pages Disappearing from Google's UK Results
Search Engines

Home Pages Disappearing from Google's UK Results

Team Fresh Egg has noticed a strange phenomenon, and it appears to be an ongoing issue from at least August 2006. It seems that home pages (and only home pages) of .com sites hosted in the UK are disappearing from Google's results when you do a site: search and filter the results to only show pages from the UK. I've played around with various sites, and while the home pages pop up under the normal...
How to beat the Google Sandbox
Search Engines

How to beat the Google Sandbox

Introducing the problemIn setting up a ranking system based on links, it soon became clear to Google that link manipulation remained a threat to the objectivity of their search results.With patents filed in the early 2000’s such as Hilltop, ...
What Google Needs To Do with YouTube to Make Me Happy
Search Engines

What Google Needs To Do with YouTube to Make Me Happy

And now, a brief rant about YouTube:Call me a purist, but when I do a search for something like "the killers mr. brightside music video," I don't want 29 of the 30 search results to be of some a-hole teenager lip-synching to the damn song. You may think your video is cool, Mr. A-Hole Teenager, but it's not. It doesn't have Eric Roberts in it. Only The Killers' music video doe...
If They Did Leak the Google Algo...
Search Engines

If They Did Leak the Google Algo...

Lots of bloggers are commenting about this thread at Digitalpoint on why Google's algo has never been leaked. My take on the algo - it would barely help if it was public knowledge. Yes, we'd all sit down and analyze all the cool things Google can detect about trust and gaming and spam and manipulation... and then? Then, w...

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