Together, describes the action of visiting a dynamic SSI-based landing page that displays live or recently refreshed imagery from a network-connected camera.
An .shtml file is parsed by the server (Apache, Nginx, or a proprietary embedded web server). Special directives inside <!--# ... --> tags are executed before the page is sent to the browser.
The content attribute specifies the number of seconds to wait before refreshing. This method is easy to implement but inefficient, as it reloads the entire page—including all images, CSS, and JavaScript—every 10 seconds. This uses more bandwidth, causes a flicker, and will reset the user's scroll position to the top of the page [5†L37-L39].
To understand why this specific URL matters, you have to look at how early IP cameras served user interfaces. The Role of SHTML
An index HTML camera, also known as an IP camera or webcam, is a type of camera that connects to the internet and allows users to view live footage remotely through a web interface. The camera typically has a built-in web server that hosts an HTML page, which can be accessed using a web browser.