I'm looking for any(related?) opensource project that render web-pages at server side and deliver as images to client (mobiles?). Just like Opera Mini and SkyFire. So far, google does not give me a...

I have styled placeholder text with CSS using the psuedo elements and pseudo classes below. This gets the job done on all major browsers but Opera. My understanding is Opera does not support stylin...

Opera 29 comes with a built-in PDF viewer. PDFs are now opened with this viewer by default. How can I configure Opera to use an external plug-in (like Adobe reader) instead? I could not find...

I perform following javascript code in Opera javascript console document.cookie='test=abc' then I close all tabs one by one and then I close the browser. After that when I open browser again cooki...

What happens is that when my cursor is in a <textarea> and I've typed a few lines (a.k.a. pressed enter a few times) and I press PageUp, the entire website shifts so that my cursor is in the ...

I'm using HTML to generate some documents as I'm mastering the layouting much more than Latex or Word. I'm generating my HTML page and convert it to PDF by printing the page with Opera. Everythin...

I think I discovered a bug in chrome and opera and would like a solution to make the css selector section:last-of-type work while the document is still loading. The bug only appears while the docum...

We're using the webkitSpeechRecognition API in Chrome. Since this is a prototype application, we're quite happy to support only Chrome, so we detect support for the API by doing a window.hasOwnProp...

Update: Two years before this question, a similar question was asked: Effective maximum mailto: body lengths as pointed out by Peter O. Luckily answers of both questions are complementary :-) Brows...

I have a problem with FCM on Opera browser. Exactly with token register. On Chrome and Firefox all works fine. Step 1: On Opera allow permissions to push notification. Step 2: Send by Curl mes...

How can I get rid of the "Are you sure you want to leave this page" message? I try to use window.onBeforeunload=null and it works for Chrome, but it did not work for Firefox, Internet Explorer and...

I am trying to get Opera to re-request a page every time instead of just serving it from the cache. I'm sending the 'Cache-control: no-cache' and 'Pragma: no-cache' response headers but it seems as...

I am trying to get URL from Opera browser, I assumed it is the same as for Chrome but I was wrong since it doesn't work this way. whatever I have done so far is: public static string GetURL(IntP...

I don't seem to be able to get rid of the border (outline, box-shadow?) against the select element in Opera browser. None of the below rules are removing the border: select { /*border: 0;*/...

There is a function in js which displays messages to the table (messages are stored in json). In Google Chrome, it works, but Safari, Opera or Microsoft Edge - no! There is a mistake in code which ...

I am developing a JS+CSS+HTML Webapplication that is deployed on a local Apache. For debudding, I want to simulate a slow connection. What is the best way to do that? I am not looking for a...

I have been making a website which behaves differently on touch device than desktop. The main difference is that most of the hover effects are changed to clicks on touch devices. To check if user a...

I would like to know how to prevent showing emojis from bootstrap's glyphicons? This <span class="glyphicon glyphicon-tent"></span> Renders to this (opera, moz) I Stumbled across...

I have a problem with CSS. When I try to do -webkit-filter: blur(1px); -moz-filter: blur(1px); -ms-filter: blur(1px); -o-filter: blur(1px); filter: blur(1px); it looks perfect in Safari and Chro...

I've installed Opera in my PC just to do some web development tests. Before installing, we are asked if we want to copy some stuff (Cookies, history, passwords, etc) from the default browser (which...

I have problem with PHPUnit_Selenium in Opera. If I have clicked on element in my test code, the page will not load. In other browsers such as Firefox, IE, Chrome and Safari, it works correctly. C...

i have a problem with overflow on 0px height width elements in new versions my source code (jsfiddle) code worked nice before, but i have this problem in latest chrome and opera (not in firefox a...

I have video on my website and everything is ok in other browsers but when I checked it on Opera I see this button -> Is it possible to remove this?

I would like to run my Selenium WebDriver tests on Opera, but when I had a look at the Opera driver at Selenium HQ and GitHub page, it says: Opera Driver requires Opera 12.x and older versions Not...

I am attempting to remotely debug Opera for Android. I have installed the Android SDK, have remote debugging checked on the phone, chrome on my pc, Android 4.3, and have successfully been able to r...