I usually immediately close the window as it removes any desire to see the content. The only exception is if it's for a website that I want to sign up for.
I don’t understand many posts but when I do see something that piques my interest, I’ll check it out and maybe look some stuff up to learn more. You’re definitely not alone.
You can make the screenshot square bigger than you need it to be, then click on the screenshot when it appears in the bottom right. Click the edit button at the top, then click the crop icon. Hold shift and drag the corner.
Is this to compete with something like Jira or Trello? I can’t imagine a scenario where you would use both tools, unless the list is for personal tasks. For that, I just use reminders.