Browse Lessons

Are results in different positions ranked by different algorithms?

A fun feature of the Chromebook Pixel

How should I address a small duplicate content issue?

How Search Works website

Should I use a separate IP address for each country-specific site?

How does Google handle duplicate content?

What should I be aware of if I'm considering guest blogging?

Optimize the top mobile tasks on your site

Quick fixes in mobile website performance

Improving high-traffic, poor user-experience mobile pages

How can a site recover from a period of spamming links?

Is it a good practice to combine small portions of content from other sites?

How many links on a page should we have? Is there a limit?

Should I use the disavow tool even if there's not a manual action on my site?

Is it necessary for every page to have a meta description?

Are all comments with links spam?

Creating an SEO strategy (with Webmaster Tools!)

Is there an SEO disadvantage to using responsive design instead of separate mobile URLs?

Should I add schema.org markup on my videos even if they're on YouTube?

Help for hacked sites: Touch base with Webmaster Tools

Help for hacked sites: Request a review

Help for hacked sites: Assess the damage (hacked with spam)

Help for hacked sites: Overview

Help for hacked sites: Assess the damage (hacked with malware)

Does a site rank better if it has a lot of indexed pages?

Is there a difference between the "strong" and "b" tags in terms of SEO?

How can I guest blog without it appearing as if I paid for links?

Should webmasters focus on more than just ranking in search results?

Is redirecting users based on their location spam?

Why isn't my site's PageRank changing?

Expanding your site to more languages

Should I use rel="nofollow" on internal links to a login page?

Does Googlebot care about valid HTML?

Will having the same ingredients list for a product as another site cause a duplicate content issue?

Will having a site available on both IPv4 and IPv6 cause a duplicate content issue?

What should a site owner do if they think they might be affected by Panda?

Can nofollow links hurt my site's ranking?

Does Google take action on automatically generated pages that provide no added value?

What is Google doing to provide support to webmasters?

Is page speed a more important factor for mobile sites?

Should I add rel="nofollow" to links that are included with my widget?

Hidden text and/or keyword stuffing

User-generated spam

Pure spam

Unnatural links from your site

Unnatural Links to site

Unnatural Links to site - impacts links

Thin content with little or no added value