If you tend to deliberately remove specific URL parameters coming to your site, be careful not to remove these parameters because they are used by Bloomreach Engagement Javascript SDK internally.

• `iitt`,

• `utm_source`,

• `utm_medium`,

• `utm_campaign`,

• `utm_term`,

• `utm_content`,

• `gclid`,

• `campaign_id`,

• `exponea-editor-params`,

• `xnpe_` prefixed parameters