问题
this is a simple facebook page(just as an example) and I want to know what is the name of the font which is used for the heading("Introducing Graph Search");
I can see the source of the page in google chrome by using the "view source" option in chrome but I can't just find the exact font name;
回答1:
Use the inspector Computed Panel (Chrome)
font-family: 'Freight Sans Bold', 'lucida grande', tahoma, verdana, arial, sans-serif;
回答2:
If you wish to use firefox plugin you may go for "font finder" plugin which gives good results on web pages.
https://addons.mozilla.org/en-US/firefox/addon/font-finder/
回答3:
it's set in css file. And you should search style not only for class applied on this element you also sholud remember that css can use inheritance. This font uses facebook
来源：https://stackoverflow.com/questions/20879231/how-to-detect-the-font-which-is-used-in-this-heading