On-page E-A-T Signals
If your rankings are being influenced by the recent algorithm modifications, you should investigate your site's E-A-T signals. Expertise, Authoritativeness, and Trustworthiness (E-A-T) is one of the ways Google determines the value of your material.
Consider include high-quality external citations in your informational material and long-form publications. Make sure the author is credible and include author profiles. Remember that E-A-T signals are there for users as well as Quality Raters, so awards, testimonials, and studies may all provide value for your target audie