Begin browsing Search engine optimization-relevant information web sites and boards till you find solutions. When engines like google improve their algorithms, many sites are impacted so it shouldn't get prolonged to determine what transpired. For even more assist, go through Sujan Patel's write-up about determining online search engine penalties. https://youtu.be/EVeTP0aV8gY?si=5FHbTy4kbLwUVoJD