# Website Sitemap
Sitemap: http://www.yourdomain.com/sitemap.xml  # Crawlers Setup
User-agent: *
Crawl-delay: 10# Allowable Index
Allow: /*?p=
Allow: /catalog/seo_sitemap/category/
Allow:/catalogsearch/result/# Directories
Disallow: /404/
Disallow: /app/
Disallow: /admin/
Disallow: /cgi-bin/
Disallow: /downloader/
Disallow: /includes/
Disallow: /js/
Disallow: /lib/
Disallow: /magento/
Disallow: /media/
Disallow: /pkginfo/
Disallow: /report/
Disallow: /skin/
Disallow: /stats/
Disallow: /var/# Paths (clean URLs)
Disallow: /catalog/product_compare/
Disallow: /catalog/category/view/
Disallow: /catalog/product/view/
Disallow: /catalogsearch/
Disallow: /checkout/
Disallow: /control/
Disallow: /contacts/
Disallow: /customer/
Disallow: /customize/
Disallow: /newsletter/
Disallow: /poll/
Disallow: /review/
Disallow: /sendfriend/
Disallow: /tag/
Disallow: /wishlist/# Files
Disallow: /cron.php
Disallow: /cron.sh
Disallow: /error_log
Disallow: /install.php
Disallow: /LICENSE.html
Disallow: /LICENSE.txt
Disallow: /LICENSE_AFL.txt
Disallow: /STATUS.txt# Paths (no clean URLs)
Disallow: /*.js$
Disallow: /*.css$
Disallow: /*.php$
Disallow: /*?p=*&
Disallow: /*?SID=

网上还有种写法，我也不知道哪个更好，这个效果该怎么看。。。

User-agent: *
Disallow: /index.php/
Disallow: /*?
Disallow: /*.js$
Disallow: /*.css$
Disallow: /checkout/
Disallow: /tag/
Disallow: /catalogsearch/advanced/
Disallow: /review/
Disallow: /app/
Disallow: /downloader/
Disallow: /js/
Disallow: /lib/
Disallow: /media/
Disallow: /*.php$
Disallow: /pkginfo/
Disallow: /report/
Disallow: /skin/
Disallow: /var/
Disallow: /catalog/
Disallow: /customer/
Disallow: /install/
Disallow: /wishlist/
Allow: /catalogsearch/result/?q

发现一个插件，可以试试看 http://www.magentocommerce.com/magento-connect/robots-txt-6783.html