To make Knowledge articles available to site users, you need to map topics to data categories and enable the "Share on Sites" setting. Topics are labels that you can assign to articles to make them easier to find and organize. Data categories are a way of classifying articles based on a predefined hierarchy. You can map topics to data categories, so that when you assign a topic to an article, it automatically inherits the data category visibility settings. The "Share on Sites" setting allows you to share articles with public users on your site.

Three KPIs that could be used to measure the chatbot's impact on customer service are B, C, and D. CSAT is a metric that measures how satisfied customers are with their chatbot experience on a scale of 1 to 5 stars. Case deflection is a metric that measures how many cases are avoided or resolved by the chatbot without escalating to an agent. Average Handle Time is a metric that measures how long it takes an agent to handle a case from start to finish. Bot Session Time is a metric that measures how long it takes a chatbot to handle a conversation from start to finish. By comparing these metrics, you can evaluate the chatbot's performance and efficiency in providing customer service.

To remove all the spammers' posts and comments from the Experience Cloud site, DR should utilize the Insights reports by creating and using a custom action to remove them. Insights reports are reports that show the activity and engagement metrics on DR's site, such as page views, likes, comments, flags, and moderation actions. DR can use Insights reports to identify the spammers' posts and comments based on the flagging reasons or other criteria. DR can also create a custom action that allows DR to remove multiple posts or comments at once from the Insights reports.

The Content Delivery Network (CDN) is a feature that improves the performance of public sites by caching static content, such as images, CSS files, and JavaScript files, on servers that are closer to the site visitors. This reduces the load on the Salesforce servers and speeds up the page loading time. CK can enable and configure the CDN from Experience Builder settings.

Data Category Visibility allows you to control which Knowledge articles are visible to which users based on data categories and user roles, permission sets, or profiles. You can assign data category visibility at different levels, such as the org-wide default, the role hierarchy, or the permission set.