Great question — answering as the UphillTech team:
Change Page Title Many plugins and themes might be controlling this area. However, despite this, if you change your Title on the Home Page , it should update your HTML title tag also. This will then update on Google when it next indexes your site, which might take several days. Google and other search engines use the Title Tag for the title field in search results. Wordpress will set the Title Tag of your page using the title of your page as seen in the image below. <title>HTML Reference</title> Yoast Title Change If you are using the Yoast SEO plugin, then you will also need to check your Yoast settings are correct. Go to the following area and check there. SEO > Search Appearance >...
Full answer by Electron: https://wordpress.stackexchange.com/a/313608 (CC BY-SA 4.0).
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