Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Smx Lo Mo 2008


Published on

Published in: Technology
  • Be the first to comment

  • Be the first to like this

Smx Lo Mo 2008

  1. 1. JORDAN KASTELER CRACKING THE CODE: Inside the Black Box of Mobile Search Algorithms
  2. 2. Jordan Kasteler a.ka. Utah SEO Pro
  3. 3. Mobile Search
  4. 4. Mobile Web Results
  5. 5. Mobile Web Refinement
  6. 6. Mobile Web Algo Signals - Code <ul><ul><li>Code in W3C Standards </li></ul></ul><ul><ul><ul><li>xHTML Mobile Profile (WAP 2.0) (preferred) </li></ul></ul></ul><ul><ul><ul><li>WML (WAP 1.1) </li></ul></ul></ul><ul><ul><ul><li>cHTML (iMode) </li></ul></ul></ul><ul><ul><li>Proper Document Type Declaration (DTD) </li></ul></ul><ul><ul><ul><li><?xml version=“1.0” encoding=“UTF-8” ?> </li></ul></ul></ul><ul><ul><ul><li><!DOCTYPE html PUBLIC “-//WAPFORUM/DTD XHTML Mobile 1.0//EN“ “”> </li></ul></ul></ul><ul><ul><li>CSS </li></ul></ul><ul><ul><ul><li>Use %’s and absolute positioning </li></ul></ul></ul>
  7. 7. Mobile Web Algo Signals - Layout <ul><ul><li>Images </li></ul></ul><ul><ul><ul><li>Max: 120px wide (avg WAP screen size width) </li></ul></ul></ul><ul><ul><li>Screen Width (for iPhones) </li></ul></ul><ul><ul><ul><li><!--[if !IE]>--> <link media=&quot;only screen and (max-device-width: 480px)&quot;   rel=&quot;stylesheet&quot; type=&quot;text/css&quot; href=&quot;iphone.css&quot;/> <!--<![endif]• </li></ul></ul></ul><ul><ul><ul><li>@media only screen and (max-device-width: 480px) {   .navigation { display: none;  } } </li></ul></ul></ul><ul><ul><ul><li><meta name=&quot;viewport&quot; content=&quot;width=480; initial-scale=0.6666; maximum-scale=1.0; minimum-scale=0.6666&quot; /> </li></ul></ul></ul>
  8. 8. Mobile Web Algo Signals - Accessibility <ul><ul><li>Telephone Attribute </li></ul></ul><ul><li><a href=“tel:8015555555”>801-555-5555</a> </li></ul><ul><ul><li>Mobile Access Keys </li></ul></ul><ul><li><a href=“#” accesskey=“1”>Link</a> </li></ul><ul><ul><li>File Size (Keep under 20k) </li></ul></ul><ul><li>Use Meta Cache Control </li></ul><ul><li><meta http-equiv=“Cache-Control” content=“max-age-300” /> </li></ul><ul><ul><li>JavaScript </li></ul></ul><ul><li>No indexable content </li></ul>
  9. 9. Mobile Web Algo Signals - Accessibility <ul><ul><li>Input Fields </li></ul></ul><ul><li>Numeric: </li></ul><ul><ul><li><input type=“text” style=‘ –wap-input-format: “*N”’ /> </li></ul></ul><ul><li>Alpha Characters: </li></ul><ul><ul><li><input type=“text” style=‘ –wap-input-format: “A*a”’ /> </li></ul></ul><ul><ul><li>No Flash, Pop-Ups, </li></ul></ul><ul><li>or Frames </li></ul>
  10. 10. Mobile Web Algo Signals - Rendering <ul><ul><li>CSS Stylesheets </li></ul></ul><ul><ul><ul><li><link rel=&quot;stylesheet&quot; type=&quot;text/css&quot; media=&quot;handheld, projection, tv&quot; href=&quot;mobile.css&quot; /> </li></ul></ul></ul><ul><ul><ul><li>@media handheld { @image1 {display: none;}} </li></ul></ul></ul><ul><ul><li>Device Detection Redirect </li></ul></ul><ul><ul><ul><li> </li></ul></ul></ul><ul><ul><ul><li>Unique profiles for each device: </li></ul></ul></ul><ul><ul><ul><li>Redirect .MOBI to subdomain or sub-folder. </li></ul></ul></ul><ul><ul><ul><li>Example: </li></ul></ul></ul>
  11. 11. Mobile Web Algo Signals - Sitemap <ul><ul><li>XML Sitemap </li></ul></ul><ul><ul><li><?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; ?> <urlset xmlns=&quot;; xmlns:mobile=&quot;;> <url> <loc></loc> <mobile:mobile/> </url> </urlset> </li></ul></ul><ul><li>Google XML Sitemap Submission: </li></ul><ul><li> </li></ul><ul><li>Yahoo! XML Sitemap Submission: </li></ul><ul><li> </li></ul>
  12. 12. Mobile Web Algo Signals - Co-Citation <ul><ul><li>Links </li></ul></ul><ul><li>Link to and get links from other mobile sites </li></ul>
  13. 13. Mobile Web Algo Signals - Submission <ul><ul><li>Niche Directories </li></ul></ul><ul><ul><li>Search Engines </li></ul></ul>
  14. 14. RESOURCES <ul><ul><li>XMHTML MP Tutorial - </li></ul></ul><ul><ul><li>XHTML Mobile Profile Tag List - </li></ul></ul><ul><ul><li>W3C MobileOK - </li></ul></ul><ul><ul><li>Mobile Emulator - </li></ul></ul><ul><ul><li>Mobile Device Detect and Direct - </li></ul></ul><ul><ul><li>Wordpress Mobile Plugin - </li></ul></ul><ul><ul><li>iPhone Tester - </li></ul></ul><ul><ul><li>Yahoo! Mobile Tips - </li></ul></ul>