Correlates having a Comments in the web page as a factor. This factor correlates the presence of the factor on page and not the amount of that factor.
| Difficulty | Easy | This factor is considered easy to tune for in most cases. |
| Difficulty Reason | Web Development | This factor typically requires web development to address. |
| Factor Class | Technology | This factor indicates the usage of a specific technology on a web page. |
| Factor Type | Other | A factor that isn't currently classifiable. |
| Zone | Text Content | This factor is measured in the text content of the page. |
| Match Type | Not Applicable | This factor does not have an applicable match type. |
| Metric | Boolean | This factor returns true or false. |
| Units | Other | This factor provides an other amount. |