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Klaus Enzenhofer

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Top Stories by Klaus Enzenhofer

You don't agree with that? Have you ever looked at the details of your page load time and analyzed what really impacts Page Load Time? Let me show you with a real life example and let me explain that in most cases you only control 1/3 of the time required to load a page as the rest is consumed by third-party content that you do not have under control. Be Aware of Third-Party Content When analyzing web page load times we can use tools such as dynaTrace, Firebug or PageSpeed. The following two screenshots show timeline views from dynaTrace AJAX Edition. The timelines show all network downloads, rendering activities and JavaScript executions that happen when loading almost exactly the same page. The question is: Where does the huge difference come from? Timeline of web page with and without third-party content showing a difference of 8 seconds in total page load time ... (more)

Don’t Miss 50% of Your Paying Customers on Their Mobile Devices

"We expect that the revenue made via our mobile apps will cross the 50% mark within this year!" Most of our eCommerce customers are starting to say this to us. These customers have driven their businesses to the web and have successfully applied Real User Monitoring (RUM) for web. They have found and fixed many of the common performance problems described in Top 8 Performance Landmines, 5 Steps to improve eCommerce Performance and What if A/B Testing fails to improve conversions. As these customers start seeing an increase in revenue from mobile they have to extend their RUM cap... (more)

Comparing User Experiences: Web, App and Mobile

With the establishment of mobile web and native mobile apps, your website isn't the only customer touch point anymore. Mike Austin, Director of e-Commerce at RoomsToGo said it best: "Our customers expect the same experience throughout all our channels no matter if it is the website, mobile site or the real physical store!" How can you measure the user experience across the various channels your customers use to interact with you? Let's see what we can do to make the user experience quantifiable so we can make informed data-driven decisions. If we look at the different channel type... (more)

Website Traffic Surge By @KEnzenhofer | @DevOpsSummit #APM #DevOps

Website Traffic Surge: Is It Marketing Driven or a Bot Attack? Nobody wants to be in the news with headlines like this, but it happens. I'd like to share an interesting experience I had when meeting on site with an anonymous customer. I've since noticed this same problem a few times, concerning email marketing, conversion impact, nervous operators, CDNs and what happens if there is no communication between the marketing teams and IT operations. Is it a bot/denial of service attack or a "successful" marketing effort that caused this increase in traffic and degradation in response... (more)

Third-Party Content Management Applied

Today's web sites are often cluttered up with third-party content that slows down page load and rendering times, hampering user experience. In my first blog post, I discussed how third-party content impacts your website's performance and identified common problems with its integration. Today I want to share the experience I have had as a developer and consultant with the management of third-party content. In the following, I will show you best practices for integrating third-party content and for convincing your business that they will benefit from establishing third-party manage... (more)