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.

Google Results Not cAsE sEnSiTiVe? Are You Sure?
Search Engines

Google Results Not cAsE sEnSiTiVe? Are You Sure?

There's been some talk in the past year of Google results appearing to be case sensitive. The phenomena appeared first in the UK and as of late in US as well. No, I'm not talking about crop circles. I'm surprised that much of this has been brushed off as datacenters or, perhaps, the anchor text of inbound links, as was smartly suggested in a recent Q+A here on the 'moz.
How It's Feasible to Manually Review All Domains
Search Engines

How It's Feasible to Manually Review All Domains

After watching Nate Buggia a few weeks ago speak about Live's Webmaster Tools I was struck by his statistic about the number of domains on the web. He suggested that there are 78 million domains. Could we manually review all of them?
Google's Advice - Godsend Or Gimmick?
Search Engines

Google's Advice - Godsend Or Gimmick?

What's the deal with all this advice that Google employees like to give us, then? Of all the search engines (and of many companies of Google's size and scope), Google appears to be the most open with its distribution of information, its interactions with its users and its willingness to give us advice.
The X-Files of Google: 10 Inexplicably Weird Search Results
Search Engines

The X-Files of Google: 10 Inexplicably Weird Search Results

Sometimes you come across a set of search results that just don't make any sense. For most ordinary users, I suspect they probably just move on to the next query, but for those of us deeply embedded in the world of search and SEO, these noggin'-scratchers just keep on itchin'. I've collected these ten over the past couple months and figured I'd share them on the blog with the hopes of g...
New Reality: Google Follows Links in JavaScript.
Search Engines

New Reality: Google Follows Links in JavaScript.

I must have missed something. I always thought Google doesn't see links inside JavaScript code. As Rand writes in the Beginner's Guide, JavaScript passes no ranking or spidering value and pages behind JavaScript navigation may never be found by search engines if they are not reachable v...
The PageRank Hierarchy, As Defined By Celebrities
Search Engines

The PageRank Hierarchy, As Defined By Celebrities

A PageRank layman recently asked me how Google decides what site gets what ranking. Rather than bore him with technical tidbits from last decade's abstract, I thought I could better express the concept through a medium we can all appreciate: celebrities.The metaphor is a simple one: PageRank is all about the quantity and quality of inbound links, right? Well, the value of a celebrity...
Cracking Google's 1,000 Page Barrier
Search Engines

Cracking Google's 1,000 Page Barrier

One of the frustrations of doing SEO for large websites is the fact that Google makes it very difficult to see more than a small part of the search index. Even in Webmaster Tools, Google's index search is built on the same mechanics as its web search, which only lets you see the first 1000 pages of any result. Whether you're trying to get pages discovered, struggling with duplicate cont...
The Unofficial Google Widget Bait Guidelines
Search Engines

The Unofficial Google Widget Bait Guidelines

Hello again, Mozzers! Ready for another article from the World's Greatest SEO? Of course you are! One of the SEO-related topics that has received quite a bit of attention lately is widget bait. Matt Cutts discussed it at SMX Advanced, and he also answered questions about it in a recent interview with Eric Enge, intuitively titled: ...
Space Godzilla: Lessons in Monstering
Search Engines

Space Godzilla: Lessons in Monstering

It's a movie theme here on SEOmoz this week. After Rebecca's post on real movies, I'm going to talk about an imaginary one. It's a movie that would go straight to DVD, but might nonetheless be compelling for those of us who are search geeks. It's a battle between monsters - the might of Google pitched against some of the largest brands in the world. Anyone see Godzilla ...

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