You do realize some can’t do that on a I pad
For example, for Google Chrome on Android:
1. Open a browser and go to the page you want to analyze.
2. Click on the three dots (or the "More" button) in the upper-right corner of the screen.
3. Select "Developer Tools" from the drop-down menu.
4. In the menu that appears, select "Console".
Safari (iPhone)
1. Open the desired page in the Safari browser.
2. In the menu bar, click "Safari". Go to Settings → Add-ons.
3. At the bottom of the window, check the box "Show the Development menu in the menu bar".
4. In the menu bar, click "Development" and select "Show Web Inspector".