Site Health (and Why It's Not That Important)
Now, let's look at the final four components, and why you shouldn't really be concerned about them. First of all, plugins, and as you can see, the recommendation is to have no more than 5. This is somewhat misleading. You could have the recommended number of 5 plugins, but if they are poorly coded and "heavy" or "bloated" or never updated, they could still adversely affect your site. On the other hand, you could have 20, that are light, well-coded, updated regularly and don't affect your site speed. I personally have no less than 10 on each of my sites, so my score here is always 0%.