You are previewing The Art of SEO, 2nd Edition.

The Art of SEO, 2nd Edition

Cover of The Art of SEO, 2nd Edition by Eric Enge... Published by O'Reilly Media, Inc.
  1. The Art of SEO
  2. Dedication
  3. Foreword
  4. Preface
    1. Who Should Read This Book
    2. Conventions Used in This Book
    3. Using Code Examples
    4. Safari® Books Online
    5. How to Contact Us
    6. Acknowledgments
  5. 1. Search: Reflecting Consciousness and Connecting Commerce
    1. The Mission of Search Engines
    2. The Market Share of Search Engines
    3. The Human Goals of Searching
      1. Who Searches and What Do They Search For?
    4. Determining Searcher Intent: A Challenge for Both Marketers and Search Engines
      1. Navigational Queries
      2. Informational Queries
      3. Transactional Queries
      4. Adaptive Search
      5. How Publishers Can Leverage Intent
    5. How People Search
    6. How Search Engines Drive Commerce on the Web
    7. Eye Tracking: How Users Scan Results Pages
    8. Click Tracking: How Users Click on Results, Natural Versus Paid
      1. Distribution of Search Results and Traffic
      2. Different Intents and Effects of Listings in Paid Versus Natural Results
      3. Interaction Between Natural and Paid Search
    9. Conclusion
  6. 2. Search Engine Basics
    1. Understanding Search Engine Results
      1. Understanding the Layout of Search Results Pages
      2. How Vertical Results Fit into the SERPs
    2. Algorithm-Based Ranking Systems: Crawling, Indexing, and Ranking
      1. Crawling and Indexing
      2. Retrieval and Rankings
      3. Evaluating Content on a Web Page
      4. What Content Can Search Engines “See” on a Web Page?
    3. Determining Searcher Intent and Delivering Relevant, Fresh Content
      1. Document Analysis and Semantic Connectivity
      2. Measuring Content Quality and User Engagement
      3. Link Analysis
      4. Evaluating Social Media Signals
      5. Problem Words, Disambiguation, and Diversity
      6. A Few Reasons Why These Algorithms Sometimes Fail
    4. Analyzing Ranking Factors
      1. Negative Ranking Factors
      2. Other Ranking Factors
    5. Using Advanced Search Techniques
      1. Advanced Google Search Operators
      2. Bing Advanced Search Operators
      3. More Advanced Search Operator Techniques
    6. Vertical Search Engines
      1. Vertical Search from the Major Search Engines
      2. Universal Search/Blended Search
    7. Country-Specific Search Engines
      1. Optimizing for Specific Countries
    8. Conclusion
  7. 3. Determining Your SEO Objectives and Defining Your Site’s Audience
    1. Strategic Goals SEO Practitioners Can Fulfill
      1. Visibility (Branding)
      2. Website Traffic
      3. High ROI
    2. Every SEO Plan Is Custom
    3. Understanding Search Engine Traffic and Visitor Intent
    4. Developing an SEO Plan Prior to Site Development
      1. Business Factors That Affect the SEO Plan
    5. Understanding Your Audience and Finding Your Niche
      1. Mapping Your Products and Services
      2. Content Is King
      3. Segmenting Your Site’s Audience
    6. SEO for Raw Traffic
    7. SEO for Ecommerce Sales
    8. SEO for Mindshare/Branding
    9. SEO for Lead Generation and Direct Marketing
    10. SEO for Reputation Management
    11. SEO for Ideological Influence
      1. Advanced Methods for Planning and Evaluation
    12. Conclusion
  8. 4. First Stages of SEO
    1. The Major Elements of Planning
      1. Technology Choices
      2. Market Segmentation
      3. Where You Can Find Great Links
      4. Content Resources
      5. Branding Considerations
      6. Competition
    2. Identifying the Site Development Process and Players
    3. Defining Your Site’s Information Architecture
      1. Technology Decisions
      2. Structural Decisions
    4. Auditing an Existing Site to Identify SEO Problems
      1. Elements of an Audit
      2. The Importance of Keyword Reviews
      3. Keyword Cannibalization
      4. Example: Fixing an Internal Linking Problem
      5. Server and Hosting Issues
    5. Identifying Current Server Statistics Software and Gaining Access
      1. Web Analytics
      2. Logfile Tracking
      3. Google and Bing Webmaster Tools
      4. Search Analytics
    6. Determining Top Competitors
      1. Two Spam Examples
      2. Seeking the Best
      3. Uncovering Their Secrets
    7. Assessing Historical Progress
      1. Maintain a Timeline of Site Changes
      2. Types of Site Changes That Can Affect SEO
      3. Previous SEO Work
    8. Benchmarking Current Indexing Status
    9. Benchmarking Current Rankings
    10. Benchmarking Current Traffic Sources and Volume
    11. Leveraging Business Assets for SEO
      1. Other Domains You Own/Control
      2. Partnerships On and Off the Web
      3. Content or Data You’ve Never Put Online
      4. Customers Who Have Had a Positive Experience
      5. Your Fans
    12. Combining Business Assets and Historical Data to Conduct SEO/Website SWOT Analysis
    13. Conclusion
  9. 5. Keyword Research
    1. Thinking Strategically
    2. Understanding the Long Tail of the Keyword Demand Curve
    3. Traditional Approaches: Domain Expertise, Site Content Analysis
      1. Include Competitive Analysis
    4. Keyword Research Tools
      1. Things to Keep in Mind
      2. Keyword Research Data from the Engines
      3. Keyword Research with Tools
      4. Other Tools of Interest
    5. Determining Keyword Value/Potential ROI
      1. Estimating Value, Relevance, and Conversion Rates
      2. Testing Ad Campaign Runs and Third-Party Search Data
      3. Using Landing Page Optimization
    6. Leveraging the Long Tail of Keyword Demand
      1. Extracting Terms from Relevant Web Pages
      2. Mining Keyword Research Tools
      3. Identifying Long-Tail Patterns
      4. Editorial Content Strategies for Long-Tail Targeting
      5. User-Generated Content Strategies for Long-Tail Targeting
    7. Trending, Seasonality, and Seasonal Fluctuations in Keyword Demand
    8. Conclusion
  10. 6. Developing an SEO-Friendly Website
    1. Making Your Site Accessible to Search Engines
      1. Indexable Content
      2. Spiderable Link Structures
      3. XML Sitemaps
    2. Creating an Optimal Information Architecture (IA)
      1. The Importance of a Logical, Category-Based Flow
      2. Site Architecture Design Principles
      3. Flat Versus Deep Architecture
      4. Search-Friendly Site Navigation
    3. Root Domains, Subdomains, and Microsites
      1. When to Use a Subfolder
      2. When to Use a Subdomain
      3. When to Use a Separate Root Domain
      4. Microsites
      5. When to Use a TLD Other than .com
    4. Optimization of Domain Names/URLs
      1. Optimizing Domains
      2. Picking the Right URLs
    5. Keyword Targeting
      1. Title Tags
      2. Meta Description Tags
      3. Heading (H1, H2, H3) Tags
      4. Document Text
      5. Image Filenames and alt Attributes
      6. Boldface Text
      7. Avoiding Keyword Cannibalization
      8. Keyword Targeting in CMSs and Automatically Generated Content
      9. SEO Copywriting: Encouraging Effective Keyword Targeting by Content Creators
      10. Long-Tail Keyword Targeting
    6. Content Optimization
      1. Content Structure
      2. CSS and Semantic Markup
      3. Schema.org and Microformats
      4. Content Uniqueness and Depth
      5. Content Themes
    7. Duplicate Content Issues
      1. Consequences of Duplicate Content
      2. How Search Engines Identify Duplicate Content
      3. Identifying and Addressing Copyright Infringement
      4. How to Avoid Duplicate Content on Your Own Site
    8. Controlling Content with Cookies and Session IDs
      1. What’s a Cookie?
      2. What Are Session IDs?
      3. How Do Search Engines Interpret Cookies and Session IDs?
      4. Why Would You Want to Use Cookies or Session IDs to Control Search Engine Access?
    9. Content Delivery and Search Spider Control
      1. Cloaking and Segmenting Content Delivery
      2. When to Show Different Content to Engines and Visitors
      3. How to Display Different Content to Search Engines and Visitors
    10. Redirects
      1. Why and When to Redirect
      2. Good and Bad Redirects
      3. Methods for URL Redirecting and Rewriting
      4. Redirecting a Home Page Index File Without Looping
    11. Content Management System (CMS) Issues
      1. Selecting a CMS
      2. Third-Party CMS Add-ons
      3. Flash
      4. Flash Coding Best Practices
    12. Best Practices for Multilanguage/Country Targeting
      1. Targeting a Specific Country
      2. Problems with Using Your Existing Domain
      3. The Two Major Approaches
      4. Multiple-Language Issues
    13. Conclusion
  11. 7. Creating Link-Worthy Content and Link Marketing
    1. How Links Influence Search Engine Rankings
      1. The Original PageRank Algorithm
      2. Additional Factors That Influence Link Value
      3. How Search Engines Use Links
    2. Further Refining How Search Engines Judge Links
      1. Additional Link Evaluation Criteria
      2. Determining a Link’s Value
    3. The Psychology of Linking
      1. Why Are Links Created?
      2. How Can Sites Approach Getting Links?
    4. Types of Link Building
      1. Using Content to Attract Links
      2. Marketing Content for Link Acquisition
      3. Directories
      4. Incentive-Based Link Requests
      5. Direct Link Requests
      6. Manual Social Media Link Creation
      7. Gray Hat/Black Hat
    5. Choosing the Right Link-Building Strategy
      1. Outline of a Process
      2. Link-Building Process Summary
      3. Putting It All Together
    6. More Approaches to Content-Based Link Acquisition
      1. A Closer Look at Content Syndication
      2. Leveraging User-Generated Content
      3. Creating Link Bait/Viral Content
    7. Incentive-Based Link Marketing
      1. Helping Other Sites Boost Their Value
      2. Offering Customer Discounts/Incentives
    8. How Search Engines Fight Link Spam
      1. Algorithmic Approaches to Fighting Link Spam
      2. Other Search Engine Courses of Action
    9. Social Networking for Links
      1. Blogging for Links
      2. Leveraging Social News and Tagging Sites
      3. Forum and Social Network Participation
      4. Offline Relationship Building
      5. Some Success Stories Using YouTube
      6. Social Media Tips for More Sites
      7. Social Media Summary
    10. Conclusion
  12. 8. How Social Media and User Data Play a Role in Search Results and Rankings
    1. Why Rely on Social Signals?
      1. Social Media Signals Provide New Tools
    2. Social Signals That Directly Influence Search Results
      1. Tweeted Links Are Similar to Web Page Links
      2. Facebook Shares/Links as a Ranking Factor
      3. Facebook Likes Are Votes, Too
      4. Google+ Shares as a Ranking Factor
      5. Google +1s Are Also an Endorsement
    3. The Indirect Influence of Social Media Marketing
      1. Social Search Features from Google and Bing
      2. Summary of Social Sources to Consider
    4. Monitoring, Measuring, and Improving Social Media Marketing
      1. Best Practices and Recommendations for Social Media Marketing
      2. Claim Key Profiles
      3. Deciding on a New Social Network
      4. Tracking Social Media in Your Web Analytics
      5. Tools for Measuring Social Media Metrics
    5. User Engagement as a Measure of Search Quality
      1. How Google and Bing Collect Engagement Metrics
      2. Potential User Engagement Signals
      3. Voting Mechanisms
    6. Document Analysis
      1. Poor Editorial Quality
      2. Reading Level
      3. Keyword Stuffing/Lack of Synonyms
      4. Ad Density and Offensive Ads
      5. Sameness
      6. Page Speed
    7. Optimizing the User Experience to Improve SEO
      1. Step 1: Build a Survey
      2. Step 2: Send It to Your Customers/Potential Customers
      3. Step 3: Record Responses and Leverage Them to Build What the People Want
    8. Additional Social Media Resources
      1. Social Media Blogs
      2. Tools
    9. Conclusion
  13. 9. Optimizing for Vertical Search
    1. The Opportunities in Vertical Search
      1. Universal Search and Blended Search
      2. The Opportunity Unleashed
    2. Optimizing for Local Search
      1. Foundation: Check Your Local Listings
      2. Introduction to Local Business Profiles
      3. Local Agency Management
      4. Optimizing Your Website for Local Search Engines
    3. Optimizing for Image Search
      1. Image Optimization Tips
      2. Optimizing Through Flickr and Other Image Sharing Sites
    4. Optimizing for Product Search
      1. Getting into Google Product Search
    5. Optimizing for News, Blog, and Feed Search
      1. RSS Feed Optimization
      2. RSS Feed Tracking and Measurement
      3. Media RSS (mRSS)
      4. Other RSS Optimization Considerations
      5. Blog Optimization
      6. News Search Optimization
    6. Others: Mobile, Video/Multimedia Search
      1. Mobile Search
      2. Video Search Optimization
    7. Conclusion
  14. 10. Tracking Results and Measuring Success
    1. Why Measuring Success Is Essential to the SEO Process
      1. The Tracking Cycle: Produce, Launch, Measure, Refine
      2. How to Establish a Proper Baseline
      3. Using Analytics as a Business Case for SEO
    2. Measuring Search Traffic
      1. Basic Overview
      2. Selecting the Right Analytics Package
      3. Valuable SEO Data in Web Analytics
      4. Segmenting Search Traffic
      5. Referring Sites
      6. Using Analytics Dashboards
      7. A Deeper Look at Action Tracking
      8. Separating the Analytics Wheat from the Chaff
    3. Tying SEO to Conversion and ROI
      1. Attribution
      2. Setting Up Analytics Software to Track Conversions
      3. Segmenting Campaigns and SEO Efforts by Conversion Rate
      4. Increasing Conversions
      5. Determining Project ROI
    4. Competitive and Diagnostic Search Metrics
      1. Search Engine and Competitive Metrics
      2. Site Indexing Data
      3. Link Building, Link Tracking, and Link-Based Metrics (Including Anchor Text Analysis)
      4. Ranking
      5. Shelf space
      6. SEO Platforms
      7. Crawl Errors
      8. Tracking the Blogosphere
      9. Tracking Your Blog(s)
      10. Search Engine Robot Traffic Analysis
      11. Web Traffic Comparison
      12. Temporal Link Growth Measurements
    5. Key Performance Indicators for Long-Tail SEO
      1. Tracking Duplicate Content
    6. Other Third-Party Tools
      1. SEO for Firefox
      2. UrlTrends
      3. SpyFu
      4. SEMRush
      5. Covario Organic Search Insight (OSI)
      6. Covario Organic Search Optimizer (OSO)
      7. Searchmetrics Essentials
    7. Conclusion
  15. 11. Domain Changes, Post-SEO Redesigns, and Troubleshooting
    1. The Basics of Moving Content
      1. Large-Scale Content Moves
      2. Mapping Content Moves
      3. Expectations for Content Moves
    2. Maintaining Search Engine Visibility During and After a Site Redesign
    3. Maintaining Search Engine Visibility During and After Domain Name Changes
      1. Unique Challenges of Domain Name Changes
      2. Pre-move Preparations
    4. Changing Servers
      1. Monitoring After Your Server Move
      2. Other Scenarios Similar to Server Moves
    5. Hidden Content
      1. Identifying Content That Engines Don’t See
      2. Identifying the Cause of Non-Spidering
      3. Hidden Content That May Be Viewed as Spam
    6. Spam Filtering and Penalties
      1. Recognizing Low-Quality Domains and Spam Sites
      2. Competitors Can Report You
      3. Duplicate Content
      4. Basic Rules for Spam-Free SEO
      5. Identifying Search Engine Penalties
      6. Reinclusion/Reconsideration Requests
    7. Content Theft
    8. Changing SEO Vendors or Staff Members
      1. Potential Problems
      2. Documenting SEO Actions and Progress
      3. Rapid Training
      4. Cleaning Up
    9. Conclusion
  16. 12. SEO Research and Study
    1. SEO Research and Analysis
      1. SEO Resources
      2. SEO Testing
      3. Analysis of Top-Ranking Sites and Pages
      4. Analysis of Algorithmic Differentiation Across Engines and Search Types
      5. The Importance of Experience
    2. Competitive Analysis
      1. Content Analysis
      2. Internal Link Structure and Site Architecture
      3. External Link Attraction Analysis
      4. What Is Their SEO Strategy?
      5. Competitive Analysis Summary
      6. Using Competitive Link Analysis Tools
      7. Competitive Analysis for Those with a Big Budget
    3. Using Search Engine–Supplied SEO Tools
      1. Search Engine Webmaster Tools
    4. The SEO Industry on the Web
      1. Blogs
      2. Forums
      3. Communities in Social Networks
    5. Participation in Conferences and Organizations
    6. Conclusion
  17. 13. Build an In-House SEO Team, Outsource It, or Both?
    1. The Business of SEO
      1. Understand Your Market Opportunity
      2. Get Buy-in Across the Organization
      3. Lay the Groundwork
      4. Motivate Resources That Don’t Share Your Goals to Help You
      5. Progress Through the Stages of SEO Maturity
      6. Build an SEO team
    2. The Dynamics and Challenges of Using In-House Talent Versus Outsourcing
      1. The Value of In-House SEO
      2. The Value of Outsourced Solutions
      3. Leveraging SEO Knowledge in an Organization
    3. The Impact of Site Complexity on SEO Workload
    4. Solutions for Small Organizations
      1. In-House SEO Specialist
      2. Outsourced Agency/Consultant/Contractor
      3. Working with Limited Resources/Budget
    5. Solutions for Large Organizations
      1. Contracting for Specialist Knowledge and Experience
      2. Applying SEO Recommendations Intelligently
    6. Hiring SEO Talent
      1. How to Select the Right SEO Practitioner
      2. Pitching the Person
      3. Sample Job Opening
      4. Making the Offer
    7. The Case for Working with an Outside Expert
      1. How to Best Leverage Outside Help
    8. Selecting an SEO Firm/Consultant
      1. Getting the Process Started
      2. Preparing a Request for Proposal (RFP)
      3. Communicating with Candidate SEO Firms
      4. Making the Decision
    9. Mixing Outsourced SEO with In-House SEO Teams
    10. Building a Culture of SEO into Your Organization
    11. Conclusion
  18. 14. An Evolving Art Form: The Future of SEO
    1. The Ongoing Evolution of Search
      1. The Growth of Search Complexity
      2. Google’s Dominance
    2. More Searchable Content and Content Types
      1. Engines Will Make Crawling Improvements
      2. Engines Are Getting New Content Sources
      3. Multimedia Is Becoming Indexable
    3. Personalization, Localization, and User Influence on Search
      1. Determining User Intent
      2. User Interactions
      3. New Search Patterns
      4. Growing Reliance on the Cloud
    4. The Increasing Importance of Local, Mobile, and Voice Recognition Search
      1. Local Search
      2. Mobile Search
      3. Voice-Recognition Search
    5. Increased Market Saturation and Competition
    6. SEO as an Enduring Art Form
    7. Conclusion
  19. Glossary
  20. Index
  21. About the Authors
  22. Colophon
  23. Copyright
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Determining Searcher Intent: A Challenge for Both Marketers and Search Engines

Good marketers are empathetic. Smart SEO practitioners and the search engines have a common goal of providing searchers with results that are relevant to their queries. Therefore, a crucial element to building an online marketing strategy around SEO and search rankings is understanding your audience. Once you grasp how your target market searches for your service, product, or resource, you can more effectively reach and keep those users.

Search engine marketers need to be aware that search engines are tools—resources driven by intent. Using the search box is fundamentally different from entering a URL into the browser’s address bar, clicking on a bookmark, or picking a link on your start page to go to a website; it is not the same as a click on the “stumble” button in your StumbleUpon toolbar or a visit to your favorite blog. Searches are performed with intent; the user wants to find something in particular, rather than just land on it by happenstance.

What follows is an examination of the different types of queries, their categories, characteristics, and processes.

Navigational Queries

Navigational searches are performed with the intent of surfing directly to a specific website. In some cases, the user may not know the exact URL, and the search engine serves as the “White Pages.” Figure 1-2 shows an example of a navigational query.

Navigational query

Figure 1-2. Navigational query

Opportunities: Pull searcher away from destination; get ancillary or investigatory traffic.

Average traffic value: Very high when searches are for the publisher’s own brand. These types of searches tend to lead to very high conversion rates. However, these searchers are already aware of the company brand, so they may not represent new customers. For brands other than the one being searched on, the click-through rates will tend to be low, but this may represent an opportunity to take a customer away from a competitor.

Informational Queries

Informational searches involve a huge range of queries—for example, local weather, maps and directions, details on the latest Hollywood awards ceremony, or just checking how long that trip to Mars really takes. Informational searches are primarily non-transaction-oriented (although they can include researching information about a product or service); the information itself is the goal and no interaction beyond clicking and reading is required. Figure 1-3 shows an example of an informational query.

Informational query

Figure 1-3. Informational query

Opportunities: Brand searchers with positive impressions of your site, information, company, and so on; attract inbound links; receive attention from journalists/researchers; potentially convert to sign up or purchase.

Average traffic value: The searcher may not be ready to buy anything as yet, or may not even have a long-term intent to buy anything, so the value tends to be “medium” at best. However, many of these searchers will later enter in a more targeted search, and this represents an opportunity to capture mindshare with those potential customers. For example, informational queries that are focused on researching commercial products or services can have high value.

Transactional Queries

Transactional searches don’t necessarily involve a credit card or wire transfer. Signing up for a free trial account at CooksIllustrated.com , creating a Gmail account, paying a parking ticket, or finding the best local Mexican restaurant for dinner tonight are all transactional queries. Figure 1-4 shows an example of a transactional query.

Transactional query

Figure 1-4. Transactional query

Opportunities: Achieve transaction (financial or other).

Average traffic value: Very high.

Research from Pennsylvania State University and the Queensland University of Technology (http://ist.psu.edu/faculty_pages/jjansen/academic/pubs/jansen_user_intent.pdf) shows that more than 80% of searches are informational in nature, and only about 10% of searches are navigational or transactional.

The researchers went further and developed an algorithm to automatically classify searches by query type. When they tested the algorithm, they found that it was able to correctly classify queries 74% of the time. The difficulty in classifying the remaining queries was vague user intent—that is, the queries could have multiple meanings. Here are some URLs that point to additional academic research on this topic:

Adaptive Search

The search engines also look at sequences of search queries to determine intent. This was confirmed in Eric Enge’s interview with Jack Menzel, Product Management Director for Google Search (http://www.stonetemple.com/how-google-does-personalization-with-jack-menzel/). You can verify this by trying search sequences such as a search on Rome followed by a search on hotels.

Normally, a search on hotels would not include results for hotels in Rome, but when the preceding query was for Rome, some results for hotels in Rome will be included. Keeping track of users’ previous search queries and taking them into account when determining which results to return for a new query—known as adaptive search—is intended to help the search engines get a better sense of a user’s intent. The search engines need to do this with care: excessive changes to the results they return based on recent query history are likely to lead to problems, so usually these types of changes are fairly limited in scope. Nonetheless, it is useful to be aware of the types of sequences of searches that users go through in their quest for information.

How Publishers Can Leverage Intent

When you are building keyword research charts for clients or on your own sites, it can be incredibly valuable to determine the intent of each of your primary keywords. Table 1-3 shows some examples.

Table 1-3. Sample search queries and intent

Term

Queries

Intent

$$ value

Beijing Airport

980

Nav

Low

Hotels in Xi’an

2,644

Info

Mid

7-Day China tour package

127

Trans

High

Sichuan jellyfish recipe

53

Info

Low

This type of analysis can help to determine where to place ads and where to concentrate content and links.

Hopefully, this data can help you to think carefully about how to serve different kinds of searchers based on their individual intents, and how to concentrate your efforts in the best possible areas.

Although informational queries are less likely to immediately convert into sales, this does not necessarily mean you should forego pursuing rankings on such queries. If you are able to build a relationship with users who find your site after an informational query, they may be more likely to come to you to make a related purchase at a later date.

One problem is that when most searchers frame their search queries they provide very limited data to the search engine—usually just one to three words. Since most people don’t have a keen understanding of how search engines work, users often provide queries that are too general or that are presented in a way that does not provide the search engine (or the marketer) with what it needs to determine their intent.

General queries are important to most businesses because they often get the brand and site on the searcher’s radar, and this initiates the process of building trust with the user. Over time, the user will move on to more specific searches that are more transactional or navigational in nature.

If, for instance, companies buying pay-per-click (PPC) search ads bought only the high-converting navigational and transactional terms and left the informational ones to competitors, they would lose market share to those competitors. Over the course of several days, a searcher may start with digital cameras, home in on canon g10, and then ultimately buy from the store that showed up in her search for digital cameras and pointed her in the direction of the Canon G10 model.

Given the general nature of how query sessions start, though, determining intent is quite difficult, and it can result in searches being performed where the user does not find what he wants, even after multiple tries. A July 2011 report (http://www.eweek.com/c/a/Search-Engines/Google-Could-Boost-Customer-Satisfaction-Vs-Facebook-ACSI-Report-644343/) found that 83% of Google users and 82% of Bing users were satisfied with their experiences.

While 83% satisfaction is an amazing accomplishment given the complexity of building a search engine, this study still showed that more than 17% of users did not find what they were looking for. As an SEO practitioner, you should be aware that some of the visitors that you succeed in attracting to your site may have arrived for the wrong reasons (i.e., they were really looking for something else), and these visitors are not likely to help your business goals. Part of your task as an SEO is to maintain a high level of relevance in the content placed on the pages you manage, to help minimize this level of waste.

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