Why does Firefox have problems printing Yahoo finance portfolio pages?
Current versions (34.0) of Firefox on Windows and Mac both have printing problems when printing from the Yahoo Finance portfolio website. I don't have problems when printing from IE, Safari, or Opera. Firefox prints a header on page 1 then pages 2 and 3 on top of each other. It doesn't include every stock that I had in my portfolio either. The portfolio page has an interesting feature where it keeps the header of the page at the top and scrolls the rest of the page under it. This probably is what is messing up FF's printing but the other browser vendors don't have a problem. I'm working this problem for my father-in-law who's running Windows 7 while I'm on a Mac running Yosemite. I can duplicate the problem on Windows 7, XP, and OSX all running the latest version of FF. To test, I created a portfolio with a bunch of random stocks then tries printing. I got perfect output on every browser except FF.
Sorry, I'm not installing any other Firefox software. This problem is on the platforms I mentioned. I can submit a pdf of sample output, both good and bad, if you like.
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More info. I have AdBlock running and thought that might have been the reason I could print from Safari but installing AdBlock on Firefox gave me the same results. Yahoo has a bunch of ads under the header and some use Flash. Having them there doesn't affect printing on other web browsers. I created a pdf file then opened it in a drawing problem and noticed a huge blank block in the middle of page one. This is what is pushing the stock data down to page 2. It shouldn't be there so FF is interpreting the ad area with the scrolling as a large block instead of ignoring it. I added three images. The first shows a correct page 1 (Safari), while the next two show how FF prints it.
Difficult to see what's going on at websites that require login credentials to view the page at fault.
Does that Yahoo Finance portfolio website have a Printer-Ready or a Print Preview button on that webpage?
If not, when you View Page Source and use Find in This Page for that page, do find a mention of a print.css file that would format that page for print "media" without having a user "button"?
I created a free account to do the testing. On Windows 7 and XP there is the typical Print Preview capability at the top of the window but under OSX there is only the Open PDF in Preview. None of these include a Yahoo created Print button.
I checked using Firefox for OSX and the page source (/Tools/Web Developer/Page Source) doesn't include a print.css or even "print". I can email you the page source. Nothing on this page is sensitive since I just grabbed random stocks to add to my portfolio.
I noticed I can use the web debugger in Firefox but it's beyond me.
The more I look at the Yahoo finance page, the more issues I see with it and they don't only show up in Firefox. Here's how it looks in OSX Safari with the PDF preview on top. Several items in the header, the part of the page that doesn't move when you scroll through the stocks, either don't show up or partially show up. This doesn't really matter to me because the stocks show up and that's the important thing. Either way, Yahoo is doing something in their printing mechanism to only show the most important parts of the page. The other browsers I tried gave me something similar, not everything was printed in the header.
The problem isn't just with Yahoo's finance page it's with the entire web site. Here's how Safari prints (just the first page), while Firefox prints bits and pieces of the front page on several pages (next five images). Printing done on a Mac running Yosemite with latest Firefox distribution. Yes, Yahoo codes their pages weirdly but other browsers are able to figure it out and print it a whole lot better. I believe this is also causing problems when printing out Yahoo email from Firefox.
