| blog farm | Noun phrase. A group of blogs operated by a single person or group that are populated by software, usually RSS-feed scraping scripts. Used for link building, blog farms are created by special software that installs popular blogging software on multiple domains and hosting accounts. Sometimes confused with links farms (q.v.). |
| update | Noun. From the SEO side, an update is any noticeable change to the way a search engine behaves. From the search engines side, an update is any intended change in a search engines makeup or data. Matt Cutts offers an incomplete explanation of a Google update in his December 2006 Explaining Algorithm Updates and Data Refreshes post. He wrote a similar post in September 2005 with Whats An Update?. I dont expect Matt to confirm every algorithmic change. That would pretty much defeat the purpose of many of them. Yahoo! and Windows Live occasionally issue weather reports. Matt has informally issued some on Googles behalf. |
| relative path | A URL that consists of the path and resource but doesnt explicitly specify the protocol or scheme. |
| hummingbird | Hummingbird is a Google search algorithm, first announced August 2013. Hummingbird was aimed at understanding the concepts behind keywords. |
| google supplemental index | A secondary database that Google uses to store pages it deems to be of less importance to its main search engine results. |
