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.

Sitemaps

283 views

Published on

Published in: Technology, News & Politics
  • Be the first to comment

  • Be the first to like this

Sitemaps

  1. 1. By Anthony NICOLAIEFF 1
  2. 2.  Protocol proposed by Google in 2005 Sitemap = « plan d’un site web » It’s a file that shows the architecture of a website languages used: ◦ Text ◦ XML 2
  3. 3.  Facilitate the indexing of a website ◦ Promotes exploration by crawler ◦ File exclusively used by search engine 3
  4. 4.  Useful if menus are in Flash or in JavaSpript ◦ Not link HTML so not indexed Useful for a website with many pages ◦ Many URLs so indexing time is high without Sitemap 4
  5. 5.  12 websites: ◦ 6 with Sitemap submitted to Google and Yahoo ◦ 6 without Sitemap Results: ◦ Average time for passage of crawlers with Sitemap:  Google: 14 min  Yahoo: 245 min ◦ Average time for passage of crawlers without Sitemap:  Google: 1375 min  Yahoo: 1773 min 5
  6. 6.  « à la mano »: ◦ Requires knowlegde in XML:  <url><loc>http://www.example.com/?id=who</loc> <lastmod>2009-09-22</lastmod> <changefreq>monthly</changefreq> <priority>0.8</priority> </url> 6
  7. 7.  Many generators online Extensions for CMS ◦ Google XML Sitemaps (Wordpress) ◦ Xmap (Joomla) ◦ Site Map (Drupal) 7
  8. 8.  If the file is at the root of the website Crawler through the file If (content of one page has changed) { Page is indexed with new content; } Else { Crawler change page or website; } 8
  9. 9.  Economy of banwidth: ◦ If the contents are unchanged, crawler changes website ◦ Only know if a Sitemap is introduced 9
  10. 10.  Economy of computer time: ◦ Thanks to Sitemap Thanks to this tool, Google is better compared to others search engines 10

×