You can use CloudDeploy in the Wolfram Language to set up a web page whose content will be recomputed every time you visit it. The web page can be private or public. Note: each visit to the web page will use some of your Wolfram Cloud Credits.

This Wolfram Language function gives the current date and time:

Use CloudDeploy with Delayed to deploy a web page in which the current date and time is recomputed every time the web page is visited:

Here is the resulting web page:

Refresh the web page and the time has changed:

Use the option UpdateInterval to specify that the deployed web page should automatically update itself, effectively making it a real-time dashboard: