You can find search engine and social media optimization related settings under /admin => Web Settings

SEO / Metadata

• HTML title: title on the browser tab for all pages
• Blog title: title of the Blog in the UI
• Blog HTML title: title on the browser tab for all pages related to the blog
• Forum title: title of the Forum in the UI
• Forum HTML title: title on the browser tab for all pages related to the forum
• SEO description: the text that shows up on search engine previews (google search for example)
• SEO keywords: a comma separated list of keywords that help search engines categorize your website

Graphics

• Company Logo: for best results use a logo without a background (.png file). This will be shown on sign in/sign up pages and the Admin UI. Click on the logo for a shortcut to your live website.
• Favicon: use a .png or .jpeg that is 500px in height and 500px in width. This will be shown on the browser tab
• open-graph image: use a .jpeg or .png that is 1200px in width and 628px in height

If everything is done right, you will have a rich preview like this when you share your website on social media (LinkedIn, Facebook, Twitter, Slack, Whatsapp etc):

Measuring SEO/SMO performance

To see how well optimized your site is for search engines and social media sharing, please use these tools:

• https://www.dotcom-tools.com/website-speed-test
• https://www.seobility.net/en/seocheck/
• https://totheweb.com/learning_center/tools-search-engine-simulator/
• http://tools.seobook.com/general/spider-test/
• https://socialsharepreview.com/
• https://cards-dev.twitter.com/validator
• https://www.linkedin.com/post-inspector/