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Questions tagged [webpage-rendering]

53 questions
31
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1 answer

phantomJS webpage timeout

I have set up a script to create webshots of our app. It runs perfectly and all is fine Until I encounter an image with a broken url : "" I have managed to…
Kim Isaksen
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Compare HTML elements by actual z-index

Given two abitrary HTML elements A and B in the same document, how can I find out which one is "closer" to the user (i.e. if they overlap, which one is obscuring the other)? The W3C CSS Specification describes stacking contexts, which compliant…
mgibsonbr
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Forcing IE7 into standards rendering mode (not quirks)

I'm having display issues in IE7 due to it rendering in quirks mode. I've confirmed this by displaying "document.compatMode" and getting back "BackCompat" as opposed to "CSS1Compat". Using IE8 and reverting to IE7 works, because that keeps it out…
Matthew Farver
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6
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2 answers

Why does the browser wait to end loading the page?

Can anyone explain me why those spaces (marked with ?) are there? They are delaying the page loading. I thought it could be the page/script parsing time, but ~350ms looks too much for a simple page; Okay, there're lots of script, but it still looks…
Diego Jancic
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6
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2 answers

CSS Efficiency Questions

For the sake of this question, let "efficiency" mean, more-or-less, page rendering speed. Albeit, we should also take into account performance issues, like smooth scrolling. Let's say you're putting a striped background on a page. From an…
Peter
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What exactly does rendering / response strategy mean in Zend Framework 2 and how to use it?

The ZF2 docu describes Creating and Registering Alternate Rendering and Response Strategies. I've read that, but I don't really understand, how to use a strategy. I have an application, that should ship three types of output (JSON, XML, and HTML),…
automatix
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Does importing same CSS file multiple times add any performance issues?

I have seen people discussing the same Javascript getting loaded multiple times, creating problems as the code runs every time on every include. I am including the same CSS file multiple times in the same DOM (cannot avoid adding this as I'm using…
suppa.s
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1 answer

Fuzzy outline on a form button when using a background image with a 20px border-radius

For some reason, exclusively on Windows machines, on the Sign in button on this page, I'm getting this odd fuzzy outline that's difficult to explain, so see for yourself: http://zis.smartlyedu.com/login It doesn't appear on Mac OS, but it does on…
Alain Meier
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1 answer

How important it is to measure the page render/load time in web application

When we test for the Performance of an Web Application what generally people concentrate on ?. Is it the http response time ?. Or is it the time page takes to load/render completely on client browser once after it receives the response from the…
IamV
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Server side or client side rendering

How to decide up front when building a web app between server side and client side rendering. Is there any general guideline or best practice for all websites? What should be recommended, server side rendering, client side rendering or a hybrid of…
station
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4
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Borders on certain zoom levels on webpage

Our corporate website is going through some weird shenanigans. It looks fine on any browser when you view it on a desktop pc or laptop. However, when you surf to the website on a mobile device you get these borders around the page elements both in…
Matthias
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4
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3 answers

Page rendering speed improvement

We are running a web service, that is struggling with some pretty high page rendering times especially IE8 (around 20 sec). We are very skilled at building high performing backend systems, but not as skilled at optimizing the frontend. Currently it…
Niels Kristian
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2 answers

Checkbox not highlighted on hover in Chrome 32

When I hover over a checkbox or it's label in Firefox or IE, the checkbox enters an active state where it is highlighted, indicating that a click will affect it. However this doesn't appear to be working chrome for me. Here's some very, very simple…
KyleMit
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How can the delay before displaying meteor collections be best addressed?

Before displaying the items from a collection, meteor seems to do some processing that leaves the client window without updates. You can see this live if you surf to http://madewith.meteor.com on a reasonable machine. My 2.6GHz 4GB RAM laptop takes…
Dan Dascalescu
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Improving jQuery Mobile page render times

I have a jquery mobile page thats taking between 6-8 seconds to render on an iPhone 4. The page load time seems okay and I've taken the necessary steps to optimise css, js etc. However, the page contains a number of form inputs that are rendered by…
Gerard
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