Technical SEO

Traditionally, the phrase Technical SEO refers to optimizing your site for crawling and indexing, but can also include any technical process meant to improve search visibility.

Technical SEO is a broad and exciting field, covering everything from sitemaps, meta tags, JavaScript indexing, linking, keyword research, and more.

If you’re new to SEO, we recommend starting with the chapter on Technical SEO in our Beginner’s Guide. Below are the latest posts on technical SEO, and we’ve included a few top articles here.

On-Site SEO : What are the technical on-page factors that influence your rankings? Our free learning center will get you started in the right direction.

The Web Developer's SEO Cheat Sheet : This handy—and printable—cheat sheet is invaluable for anyone building websites. Contains several useful references that cover a ton of technical SEO best practices.

MozBar : This free Chrome extension is an advanced SEO toolbar that helps you to examine and diagnose several technical SEO issues.

The Technical SEO Renaissance : Is it true that technical SEO isn't necessary, because Google is smart enough to figure your website out? Mike King puts this rumor to rest, and shows you what to focus on.

Technical SEO: The One Hour Guide to SEO : Want a quick introduction to the basics of technical SEO? Our guru Rand has you covered—all in about 10 minutes.

Most Recent Articles on Technical SEO

Back to Basics: Site Architecture Issues to Avoid
Rand Fishkin

Back to Basics: Site Architecture Issues to Avoid

I've been working over Labor Day weekend a bit, reviewing sites for clients (and friends) and continually find that site architecture best practices are being ignored. Since Monday isn't a holiday globally, I thought it would be worthwhile to provide a quick peek into what I'd recommend on the structural side of SEO: Dynamic URLs - If it's even remotely possi...

Cloaking & IP Delivery - Has Rand Gone to the Dark Side?
Rand Fishkin

Cloaking & IP Delivery - Has Rand Gone to the Dark Side?

Cloaking is a basic part of the SEO world, yet I think many of us ascribe its use to purely black-hat pursuits like spamming or tricking the search engines. In point of fact, cloaking can be used for entirely legitimate purposes. For example: Sites like the NYTimes, Salon.com & the Wall Street Journal will often show different content to search spiders than to human visit...

5 HTML Elements You Probably Never Use (But Perhaps Should)
O

5 HTML Elements You Probably Never Use (But Perhaps Should)

This is a list of HTML elements I've found to be very poorly represented in most markup on the web today. Many of these elements offer more semantic value than actual functionality, but with the rising popularity of CSS driven design where HTML elements are used for what they were actually intended for, I felt shining a little light on them was appropriate. ...

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Top 10 Fastest Ways to Squash a Spider
Rand Fishkin

Top 10 Fastest Ways to Squash a Spider

Are those pesky search engine robots crawling your site too much? Does the sight of even one result from a "site:" command at the engines boil your blood? Are you tired of seeing visitor after visitor trickle into your website from referrers like "Google", "Yahoo" and "MSN". Well worry no more, because below, I've listed the top 10 ways to keep those...

Subdomains, Subfolders and Top-Level Domains
Rand Fishkin

Subdomains, Subfolders and Top-Level Domains

Many of the client issues we've been working with recently have centered around canonicalizing, re-directing and structuring URLs for content. Marketing, sales, executives and IT departments all seem to have a unique viewpoint on these matters, making compromise and agreement especially difficult. For the purposes of this post, I'll focus solely on the "best practices." ...

CSS Image Replacements and SEO
O

CSS Image Replacements and SEO

Using image replacements in a CSS driven site is becoming a very common practice. SEOmoz uses it all over the place - if you view the source of our homepage you'll see: <div id="what_is_seomoz"> <h1><span>What is SEOmoz?</span></h1> <p> SEOmoz i...

Search Engines on Link Attributes
Rand Fishkin

Search Engines on Link Attributes

I've been wondering lately about whether comparing link attributes in HTML code would provide any value to the search engines. Testing's been done by SEOs in the past about the value of link titles (minimal if any) and rel attributes other than nofollow (nada), but I'm wondering about the target attribute, specifically. Currently, according to W...

Experience with Internal 301s
Rand Fishkin

Experience with Internal 301s

Just wanted to start on a thread on the subject of internal 301 re-directs. What's been your general experience when re-directing a page or set of pages to the "canonical" or new version? How long have the engines taken to catch up? For us, I've noticed that Google takes between 2 and 6 weeks to recognize and properly index, although the rankings seem to follow fairly directly...