I’m embedding a Grafana dashboard using a simple iframe in a minimal HTML setup.
I’ve noticed that when I open Chrome DevTools, the iframe takes significantly longer to load the Grafana dashboard. When DevTools is closed, the same iframe loads much faster.
Here are some details:
・This is a plain HTML page.
・This tendency becomes more pronounced the more iframes there are.
・With 4 iframes, it took 1-2 seconds normally, and 4-9 seconds with DevTools open.
What is the cause of this?
Also, can the same issue occur when you don’t have DevTools open?
