browser
Do we have to use non-standard/browser specific CSS vendor prefixes anymore?
It really depends on which features and which browsers you want to fully support. Even now some browsers are lagging. Here is a really excellent guide: http://caniuse.com/
Preventing iframe caching in browser
This is a bug in Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=356558 Try this workaround: <iframe src=”webpage2.html?var=xxx” id=”theframe”></iframe> <script> var _theframe = document.getElementById(“theframe”); _theframe.contentWindow.location.href = _theframe.src; </script>
Is the per-host connection limit raised with HTTP/2?
Browsers impose a per-domain limit of 6-8 connections when using HTTP/1.1, depending on the browser implementation. This allows at most 6-8 concurrent requests per domain. With HTTP/2, browsers open only 1 connection per domain. However, thanks to the multiplexing feature of the HTTP/2 protocol, the number of concurrent requests per domain is not limited to … Read more
what happens when you type in a URL in browser [closed]
Attention: this is an extremely rough and oversimplified sketch, assuming the simplest possible HTTP request (no HTTPS, no HTTP2, no extras), simplest possible DNS, no proxies, single-stack IPv4, one HTTP request only, a simple HTTP server on the other end, and no problems in any step. This is, for most contemporary intents and purposes, an … Read more
How does the Back button in a web browser work?
Your web browser keeps a stack (or list, if you will) of the web pages that you have visited in that window. Let’s say your home page is search.example and from there you visit a few other websites: video.example, portal.example, and news.example. Upon visiting the last one, the list looks like this: search.example -> video.example … Read more
Print directly from browser without print popup window [duplicate]
I couldn’t find solution for other browsers. When I posted this question, IE was on the higher priority and gladly I found one for it. If you have a solution for other browsers (firefox, safari, opera) please do share here. Thanks. VBSCRIPT is much more convenient than creating an ActiveX on VB6 or C#/VB.NET: <script … Read more
Standard way to detect mobile browsers in a web application based on the http request
Wouldn’t the standard way be to check the user agent? Here’s a database of user agents you can use to detect mobile browsers.
“Silent” Printing in a Web Application
Here’s what you need to do to enable Firefox immediately print without showing the print preferences dialog box. Type about:config at Firefox’s location bar and hit Enter. Right click at anywhere on the page and select New > Boolean Enter the preference name as print.always_print_silent and click OK. I found that somewhere and it helped … Read more
Why do Chrome and IE put “Mozilla 5.0” in the User-Agent they send to the server? [duplicate]
See: user-agent-string-history It all goes back to browser sniffing and making sure that the browsers are not blocked from getting content they can support. From the above article: And Internet Explorer supported frames, and yet was not Mozilla, and so was not given frames. And Microsoft grew impatient, and did not wish to wait for … Read more