Here is a list of the videos that Matt Cutts has done. Each video also has a brief description of the answer. You can either just read the short answers or watch the video for a full explanation for each question.
Does Webmaster Tools have an API?
How can I make sure that Google knows my content is original?
Does the ordering of heading tags matter?
Can I use rel=canonical when publishing articles on different sites?
How can I identify causes of a PageRank drop?
Do robots follow links on a page which uses rel=”canonical” to point to a different page?
Does selling the same product on three different domains look spammy?
If I don’t need to block crawlers, should I create a robots.txt file?
Will Google implement the ability to search with regular expressions?
Do multiple links from one page to another page count?
What role does being in DMOZ play in rankings?
Underscores vs. dashes in URLs
Is there a limit to how many 301 (Permanent) redirects I can do on a site?
Is the “Panda” algorithm update affecting non-English searches?
Can you make the realtime results more conspicuous?
What should I do if I don’t know why I’m penalized?
Should we expect more spelling corrections in search results?
Does Google see automatically generated content as a bad thing?
Will I be penalized for hidden content if I have text in a “read more” dropdown?
Can you talk about the change in Google’s referrer string?
How many pages can Google index from a single site?
Why doesn’t Google Places allow access by multiple users?
Does Google consider the URL of an image?
Will setting the rel=”canonical” attribute of a page to itself cause a loop?
What’s a preferred site structure?
Which types of Webmaster Tools errors should I report to Google?
Will Google notify webmasters of violations of the webmaster guidelines?
Why aren’t the Google Toolbar PageRank values updated more often?
What is the future of semantic search?
What do you predict will be the big changes to search in the next few years?
What do I do after being hacked?
What are some of the projects that the webspam team might tackle in 2011?
Should large corporations use rel=canonical?
Should I use the nofollow attribute on internal links?
Is Google doing anything different for Twitter results?
Is comma a separator in a title tag?
How should I configure If-Modified-Since on database-driven pages?
How can I optimize for “deep web” crawling?
How can I learn about the technologies used at Google?
How can a website compete using only white hat techniques?
How are load times displayed in Webmaster Tools calculated?
Does Google treat “brandname” and “brandname®” differently?
Does Google Analytics work with Web 2.0 and social media?
Can rel=”canonical” index my hostname and not my IP address?
Can I use robots.txt to optimize Googlebot’s crawl?
Can I tell Google not to use the posting date in my snippet?
Can I disallow crawling of my CSS and JavaScript files?
Can Experts Exchange be excluded from search results?
Are Chrome’s ‘usage statistics’ used in evaluating site speed?
Should I add nofollow to banner ads?
Would you rather spend time with a perfectly optimized website or a barrel full of kittens?
Will showing recent posts on my homepage cause a duplicate content issue?
Why do Amazon.com pages tend to rank well for product queries?
How much content should be on a homepage?
What should I do if the “noindex” attribute doesn’t appear to be working?
Is the same content posted under different TLDs a problem?
Can switching to HTTPS harm ranking?
Is serving Googlebot a transcript in place of a video considered to be cloaking?
Why do porn sites have lower PageRank?
What’s your opinion on microsites?
Should internal links use rel=”nofollow”?
Is there a way to indicate boilerplate content on a page?
What do you think about Blekko?
Can coding errors affect how a page is indexed?
Can I tell Google about links to my site?
How do we report a problem with our search results listings?
Is there an advantage to using rel=”canonical” over a 301 redirect?
Will showing recent posts on my homepage cause a duplicate content issue?
When will the data in Webmaster Tools be improved?
How do meta geo tags influence the search results?
What factors influence video results in Universal Search?
Will Google ever provide statistics on browser market share?
How should I serve different content based on user location?
Will you provide information about algorithm updates?
Will Google personalize results based on user IP location?
Should I link to all press mentions of my site?
Can I use “nofollow” in JavaScript?
Can a a few non-safe words prevent my site from appearing in SafeSearch results?
How many bots does Google have?
How can I get Google to index more of my Sitemap URLs?
Do links to non-canonical URLs pass any value to the canonical version?
Can I exclude certain words from Googlebot?
Can I specify the canonical of all of a product’s review pages as a single URL?
Why doesn’t the clickthrough data in Webmaster Tools match what I see in Google Analytics?
Why would an FAQ page rank above a site’s homepage?
Will including generic product descriptions reduce the significance of my unique content?
How can I improve my linking on a Q&A site?
Does Google support cross-domain rel=”canonical”?
How can an out-of-town company compete with local competition?
Does indexing a mobile website create a duplicate content issues?
Is HTML validation necessary for ranking?
Does Google still recommend 100 links or fewer per page?
Should I use nofollow in links to my disclaimer and privacy policy?
Should I include my logo text using ‘alt’ or CSS?
Are Google SERPs moving to Ajax?
How do I optimize an e-commerce site without rich content?
Has Google changed the relevancy it awards to social media?
Will Google add guest accounts to Webmaster Tools?
Does Google remove the PageRank coming from links on pages that no longer exist?
Should we be worried about a penalty if we quickly removed hacked content?
Does conference attendance affect rankings?
What’s a good screen resolution to design for?
Why doesn’t google.com validate?
Can you give us an update on rankings for long-tail searches?
What’s the preferred way to check for links to my site?
How would you bootstrap a business if you were given £10?
Is it OK to sell links as long as we use the nofollow attribute?
What should I watch out for if I redirect mobile visitors?
Why is the @ character ignored in search queries?
Will a “coming soon” page negatively impact my site?
How can I make sure Google reaches my deeper pages?
Are shortened URLs treated differently than other redirects?
What are some best practices for moving to a new CMS?
What impact does “page bloat” have on Google rankings?
Will I be penalized if my URLs all have the same priority?
“Query deserves freshness.” Fact or fiction?
When will Rich Snippets become widely available?
Which is more reliable for searching: Google or Twitter?
Are different types of sites treated differently in Google?
Does Googlebot use inference when crawling?
How are spam reports prioritized?
What will happen to paid links implemented using JavaScript?
Which is better: an HTML site map or XML Sitemap?
What is Google doing to combat the effects of comment spam?
Does the size of a website affect its authority in Google?
How can I remove old content from Google’s index?
What are some best practices for indicating breadcrumbs?
Is speed more important than relevance?
Should we create a mobile version of our site?
Are the webspam reports read by anyone?
Is there a way to mark a section of a page as being less important for snippets?
How many search algorithm changes were made in 2009?
How does a user’s location affect search results?
Should I be obsessing about load times?
Is a sale page duplicate content?
How long does it take for Googlebot to recrawl a page?
Will we see realtime results for site: queries?
Should I serve Googlebot content-only pages optimized for load speed?
Are Google SERPs the same on all browsers?
How does Google handle a page containing multiple languages?
Can a purchased domain’s history affect its trust in Google?
Why doesn’t search query data in Webmaster Tools appear to match what I see when searching?
Are there any plans to implement a “negative keyword” meta tag?
What’s a good way to kick off a new RSS feed?
How long does it take for rich snippets to appear?
Is it still important to offer a site map to users?
Is Google able to crawl protocols other than http and https?
When would someone use “noindex, follow” in a robots meta tag?
Is changing the language of page titles based on the user’s IP considered cloaking?
How does Google handle “not found” pages that don’t return a 404?
Does Google recognize the difference between different meanings of a word in a query?
Do URL shorteners pass anchor text?
How is Google Public DNS data used?
How is Google helping Google Analytics users with site speed?
Will Google improve its crawling of AJAX?
How do we report a problem with our search results listings?
Can coding errors affect how a page is indexed?
Can I flag spammy links to my site that I didn’t create?
How does Google handle pages with content that changes on each page load?
Should I use underscores or hyphens in URLs?
Will Google use non-link references as a signal?
Should I tweak my titles and descriptions to improve my CTR?
Is Google doing away with use of the meta description?
Can product descriptions be considered duplicate content?
Is there such a thing as building too many links?
How does Google handle special characters?
How does Google determine domain age, and is it important for ranking?
Will using Google Analytics have a negative effect on my ranking?
Does PageRank take into account cross-browser compatibility?
Will adding my Twitter feed to my website increase my PageRank?
How does Google rank sites which run on non-standard ports?
How does URL structure affect PageRank?
Which is more important: content or links?
Do you recommend article marketing as an SEO strategy?
What are some examples of SEO misinformation?
Are there any negatives to generating a short list of ‘related posts?’
How can I add more than 1,000,000 URLs to a Sitemap?
Can I tell Google not to display the date in my site’s snippets?
Which Chrome extensions are popular at Google?
How should I link to a site that I have a personal relationship with?
Should I use pipes or dashes in my titles?
Will a link to a disallowed page transfer PageRank?
Is redirecting a large number of domains suspicious?
Why does Google index blogs faster than other sites?
Do ids in heading tags affect search engines?
Will Google provide a rank-checking service?
What are the factors that go into determining the PageRank of a Twitter page?
Is excessive whitespace in the HTML source bad?
More than one H1 on a page: good or bad?
Does Google value its own links for PageRank?
How can a site that focuses on video or images improve its rankings?
Will changing hosts cause any SEO concerns?
If I use multiple versions of a phrase, would it be seen as keyword spam?
Should I spend time on meta keywords tags?
Can I make sure Google always uses my meta description tags for snippets?
How will Google search work with pages built with GWT?
Should I expect increased traffic if I optimize my images?
Is cross-linking websites bad?
Why are .com sites ranking highly in UK SERPs?
Are links in footers treated differently than paragraph links?
At what level is no-follow honored?
Are no-follow links irrelevant?
Why aren’t geographic target and query parameters specified in robots.txt?
How does Google treat sites where all external links are no-follow?
Why are links used in ranking when they all have the nofollow attribute?
What is the benefit of using the change of address tool in Google Webmaster Tools?
How is Google finding pages which don’t have any links to them?
How can a site rank for keywords that aren’t anywhere on its pages?
How can I optimize my site on a small budget?
Do site load times have an impact on Google rankings?
What types of directories are seen as sources of paid links?
How can new pages get indexed quickly?
Are CSS-based layouts better than tables for SEO?
Does the number of subdirectories in a URL affect its ranking?
Is the time left before your domain registration expires an SEO factor?
What is the best way to check your own site for keyword rankings?
How would a non-optimized site outrank a site which has done SEO?
Can a site’s downtime affect its ranking?
How precise is the number of results in a site: query?
Is there a widget to display my number of subscribers?
Is PageRank calculated differently for domains registered before 2004?
How important is the frequency of updates on a blog?
What’s your take on “addon domains”?
How much traffic do you think is generated by marketers searching for their own target keywords?
What are some effective techniques for building links?