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Microservices Journal Authors: Elizabeth White, Liz McMillan, Tech Spot, XebiaLabs Blog, Baruch Sadogursky

Related Topics: Web 2.0, Microservices Journal, AJAX & REA

Web 2.0: Article

Technical & Business Web Performance Tips for Super Bowl Ad Landing Pages

Will the millions of dollars spent really pay off for the advertisers?

Two days before the Super Bowl people are not only betting on the winner, but also on the best commercial. Will the millions of dollars spent really pay off for the advertisers? We took a closer look at the Super Bowl Ad landing pages for these Super Bowl Ads. Our synthetic monitoring showed huge differences ranking from 1.4 to 10s+ load time. If these pages are already slow prior to the big day, we wonder how they will do on Sunday and if there is anything that can be done to speed things up.

With this blog we hope to give a wake-up signal to some of these companies. They need to take another look into their current deployment because we see a lot of web performance mistakes all over the place like:

  • CDN Configuration Problems
  • NOT optimized for Mobile
  • NOT following Best Practices such as Spriting.

For Business Owners: Talk with your IT Teams and make sure they have the time and resources to analyze and do last minute fixes - otherwise it is possible that even with the funniest ad, you won't be able to convert viewers into customers because your website may crash or be slow. You can check out how fast your page is in the moment: Run an Instant Test with Compuware APM/Gomez.

For the DevOps and Web Architect Team: Run a quick sanity check with tools such as Compuware APM/dynaTrace AJAX Edition, PageSpeed, FireBug, ... and follow the best practices we have been talking about in the recent years.

CDN Configuration Problems
One of the advertisers landing page loads 248 images on that page. Most of these images are served from the home domain (e.g., www.company.com). Others are severed from Amazon's CDN. What's interesting is that on this page, 46 of these image requests result in an HTTP 403. This is a lot of time wasted by the browser and impacts the end user because he has to wait longer for the full page to load:

CDN Configuration problems lead to HTTP 403s and impact total page load time

Next Steps: Figure out if these image URLs are valid and really needed for the landing page. If so - check the CDN configuration. If they are not needed, they probably got onto the page by accident. Make sure to remove them from the HTML document so that they don't impact page load time.

More blogs on CDNs: Check out our blogs on Why CDNs and How, How to Monitor CDNs, When Things Go Wrong.

Not Optimized for Mobile
How large do you want a mobile web site to be? 100k, 1MB, 10MB? Even though many of us now have LTE or 3G, downloading large web sites on a mobile device will always impact user experience. One of the mobile versions of the landing pages that I analyzed had 20MB in unzipped content and took about 15s to load. I used a Wi-Fi connection for this test. Here are the other Key Performance Indicators showing that this site is definitely NOT Optimized for Mobile:

The mobile version of the web site was very large (20MB) and had too many resources (434) until it was fully loaded

Next Steps: I would ask the question: why it is necessary to download all these images on the initial landing page when only a handful of them are shown anyway? Loading images of a picture gallery in advance will speed up scrolling through the gallery, but it will also impact the first impression of that page. This will make end users wonder how much data they just downloaded to access a "mobile" web site.

More blogs on Mobile Performance: Check out Top Mobile Mistakes in 2013, 3 Seconds make a difference, Don't Miss 50% of your paying customers

To read about other performance issues, and view more screen-shots and insights, click-here for the full blog:

Business Folks: Don't waste your money - give IT more time to focus on web performance

After so many years of Web Performance Optimization Best Practices it still interesting to see "performance landmines" like the ones highlighted here. And - these are just a few of many that we found. If you want to learn more about what it takes to prevent these problems right from the start then check out some of our other blogs on Best Practices for DevOps and Avoiding the Classical Business War Room Scenario.

More Stories By Andreas Grabner

Andreas Grabner has been helping companies improve their application performance for 15+ years. He is a regular contributor within Web Performance and DevOps communities and a prolific speaker at user groups and conferences around the world. Reach him at @grabnerandi

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