While many sites and online services are getting better at providing standards-compliant code to paste into your site, sometimes you have to make adjustments to their code so that your pages validate.
- Open the page in Firefox
- Right-click and choose View Selection Source
Then, you can copy and paste the actual code from View Selection Source and make your changes.
Google Chrome Solution
I haven’t forgotten about Google Chrome Users. The above solution doesn’t work for Chrome because it doesn’t have a View Selection Source option. We have to go about it another way.
No Plugins Required
The beauty of the above tips is that you don’t have to have any plugins or extensions installed in your browser to make them work.