Google viewer is opening blank page frequently

Question

Why Google Viewer sometimes is opening a blank page instead of open the PDF file?

I could simulate it using this code. It doesn't happen every time. It will be necessary to click on the Google Viewer button few times.

I could simulate it on Edge and Chrome.

Pay attention to the two tabs after the tab title "Sem títlulo". They opened the PDF file perfectly. However, the tab with the title "Sem título" did not open the PDF.

EDIT

I'm using google docs viewer https://docs.google.com/viewer.

Answer 1

I try to test your code on the MS Edge legacy browser, MS Edge (Chromium) browser, Google Chrome browser, and Firefox browser.

I can reproduce the issue on all 4 browsers. So we can say that this is not a specific browser related issue.

I noticed that you are using Google docs viewer to display the PDF.

https://docs.google.com/viewer?

I try to display the PDF directly in the browser and found that it is working fine in every browser.

Test code:

<a href="javascript:void(0);" onclick="javascipt:window.open('https://www.w3.org/WAI/ER/tests/xhtml/testfiles/resources/pdf/dummy.pdf');" class="popup">Click to open PDF</a>

Here is the test results in MS Edge (Chromium) browser.

So it looks like there is some issue with the Google docs viewer. You can try to provide feedback to Google about this issue.

To fix the issue in your code, you can try to directly display the PDF file as I show you in my sample code. You can notice that performance is also better.