| panda algorithm update | the first of the big Google updates, Panda categorises websites into buckets based on their perceived quality. |
| rank tracker tool | A tool that provides data regarding a sites positions on search engine results for particular queries. |
| google webmaster central blog | This is Googles official blog for webmasters and SEO professionals. This blog is highly helpful as all updates and news regarding Google Search is available here. If you are a serious SEO professional, you need to subscribe this blog. |
| end-user | The end user is the person who ends up using the service or product that has been purchased. E.g when a customer purchases a gift for another person, they only pay for the product or service, but the person they give the gift to is the one who is the end-user. |
| indexed page | A webpage that has been discovered by a crawler, has been added to a search engine index, and is eligible to appear in search results for relevant queries. |