What is the site quality index (SQI)?
The site quality index indicates how useful your site is for users according to Yandex.
The quality index is based on the size of the site's audience, the degree of user satisfaction with the site, the level of trust that users and Yandex place in this site, and other criteria. The calculation uses data received from Yandex services.
The quality index for a subdomain is usually the same as for the site's primary domain.
- If the mirrors have the same domain names, the SQI for the secondary mirror will be same as for the main mirror.
- If the mirrors have different domain names, the SQI may also differ.
The SQI is regularly recalculated. To receive messages about this, set up notifications.
- Compare your site SQI with SQIs for other sites on the page. Indicators are displayed on the graph — you can monitor the SQI changes.
How SQI is calculated
- All resources are evaluated using the same algorithm for the site quality index.
- Yandex reserves the right to change the algorithm for calculating the quality index at any time without additional notice, reset the value, or cancel the indicator in the following cases:
- Violations are found on the site.
- If there were attempts to influence the site's SQI.
Yandex does not comment on the changes in this indicator and provides no guarantees or dates for its recovery.
FAQ
- Why did SQI drop?
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The SQI value is recalculated regularly based on many factors. During the time between recalculations, site-related factors may change. Therefore, we recommend improving the site, filling it with useful content, and so on. Over time, SQI may increase.
Check out the site development recommendations.
