Meta tags provide search engines with information about your site which may show up in search results. You can view and change your Tagline and meta description using WordPress' Settings utility.

Adding meta tags to your blog allows you to include information that may affect how well it performs in search engines.

If you want to create meta tags for your HTML website, you can use this free online tool called Meta Tags. You can create meta tags for Facebook, Twitter, Linkedin, Slack, Pinterest, etc.