| blogger | someone who publishes a blog. Also the name of Googles blogging platform. |
| rich snippets | Rich snippets are enhanced results in Google, such as those that have been customised with structured data. |
| search engine penalty | The negative impact on a sites rankings after a search engine changes its ranking algorithms. |
| ymyl | Your Money or Your Life (YMYL) is a phrase used in Googles Quality Raters Handbook, which refers to pages where PQ (Page Quality) is particularly important: because they have an impact on your current or future well-being (physical, financial, safety, etc.). |
| term frequency-inverse document frequency | (TF-IDF) A measurement used by Google to determine how important a keyword is on a webpage by comparing its frequency and usage on other webpages. |
