DotNetNuke Tips & Tricks

Tips & Tricks

Friday, October 19, 2012 by Cuong Dang

New CSS Image Replacement Technique to Improve Performance

Filed under: Elsewhere, Tips & Tricks

I've used quite a few image replacement techniques in web design in the past to create better typography for the web. But recently I've ran into a technique improved by Scott Kellum that proved to be effective as well as enhancing the performance of the site.

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Friday, December 2, 2011 by Ian Robinson

Resource Round Up: Client Side Performance in DotNetNuke 6.1

Filed under: Tips & Tricks, Module Development, DotNetNuke

DotNetNuke 6.1 introduced a new set of functionality for managing client resources (CSS and JavaScript files). Here is a quick round up of resources ...

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Thursday, October 6, 2011 by Cuong Dang

Addressing Positioning and Z-index Issue in DotNetNuke 6.0

Filed under: Tips & Tricks, UI and UX

Since the release of DotNetNuke 6.0, there have been quite a few conversations regarding z-index issues around navigation and the content area within a page. If you look closely in the overhaul process of DotNetNuke user interface, it's incorporated jQuery UI as the core enhancements in most of the controls. Image source: Smashing Magazine The framework also specified the z-index values (in default.css) mostly to control the positioning and calculation of the new module actions menu height a...

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Friday, July 29, 2011 by Cuong Dang

A Word About Unloading Resources in Core Framework

Filed under: Tips & Tricks, Skinning, DotNetNuke

For those of you who are very tedious about front-end performance of websites, you’re probably already  familiar with a few techniques to minimize loading resources from the core DotNetNuke framework such as CSS and Javascripts. As long as those files are just for presentation and can be addressed in skin.css or skin.js, this approach helps tremendously with site performance and creates a much better experience for site visitors. I consider myself to be pretty detail-oriented when it comes...

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Tuesday, March 22, 2011 by Ian Robinson

Local virtual hosts with

Filed under: Tips & Tricks, DotNetNuke

Recently, Joe Brinkman posted a quick tip about using local virtual hosts for your DotNetNuke dev installs. The summary is that there are a couple of public domains out there that point to (which means they’ll hit your local IIS). These services Joe mentioned are and The benefit of using a service like this is that you can just assume your local domain will work and you don’t need to edit your machine’s hosts file. So, after contemplating this for a moment, I thoug...

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Friday, March 18, 2011 by Ian Robinson

Analyzing DotNetNuke CTP Upgrades with the IIS SEO Toolkit

Filed under: Tips & Tricks, DotNetNuke

As a community member running a well-established DNN site, I took the opportunity to test out the new DNN 6.0 CTP upgrade package today on a backup I had of dnnGallery. I also used the IIS SEO Toolkit to do some before-upgrade and after-upgrade comparisons on the website so that I could see what kind of impact it had on the website.

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