| vlog | A vlog is just like a blog but with videos instead of articles. The most popular vlogging platform is YouTube. |
| cloaking | Showing different content to search engines than you show to human visitors. |
| rankbrain | the machine learning component of Googles core algorithm that adjusts ranking by promoting the most relevant, helpful results. |
| web design | The process of creating the look and feel of a website before developing it. |
| volatility | A way to measure a tendency towards change or unpredictability. In relation to search engines, high volatility means there is a high amount of change occurring in the search results. Low volatility means that there is general stability. |
