In my TV reviews, I have separate sections for miniseries and limited series. But in my web reviews, I've decided to have just one section for both, partly because I expect there to be fewer such things that I watch, and partly because it can be harder to distinguish between the two, with web series. I'm not sure I'm going to have any reviews actually in the miniseries section, but rather use it to link to reviews in various other sections, for series of different genres. It may still be hard for me to decide what to consider a miniseries and what to consider a regular series. For example, Wikipedia calls most Marvel series on Disney+ "miniseries", but I don't always agree with that assessment. If there's more than one season, I (usually*) won't consider it a miniseries. And even if I just hope there'll be more than one season (or if I know the creators were hoping for more than one season), I may not consider it a miniseries. I won't consider most anthology series to be miniseries, even if there's only one season. Stories must be contained to a single season but also the season must tell one complete story. (That is, it must be serial rather than episodic.) I may include some series here that others might not consider miniseries, as well as excluding some that others do consider miniseries.
*If a series was originally produced as a miniseries (or limited series) and later gets one or more additional seasons, I may still consider the original season (and possibly subsequent seasons) to be individual miniseries, as long as each season tells a complete story. Or, if a series gets a second season after I've included it here, I may remove it from this section.