Looking at the TCP packets transmitted during a webpage load can be quite overwhelming. Here is a very interesting way of visualizing the TCP packet communication when loading the Facebook News Feed webpage utilizing Packet Flight by Carlos Bueno. [vimeo http://vimeo.com/17248120]
In the 1990s the websites were quite simple, served by a single server talking to a single database, JavaScript and Flash had just been introduced, AJAX was being developed, and HTTP 1.0 protocol was prevalent across the World Wide Web. Now, years later and that same webpage has turned into…
We all know how important is web performance. This is what it would look like if we translated it into real life examples…
Finally this cold winter is coming to an end. New York is getting warmer – and there is no snow to be seen. With that we are releasing our 3rd and last release of Winter 2011. Here are some feature highlights: Scheduled Reports : The ability to schedule and receive email reports for on…
Web performance tools rely on actual browsers to capture the performance data of a webpage and any requests made by a webpage. Monitoring from the browser, comes with some limitations due to the complexity of the browser and the internet, causing at times what we call “Blind Spots”. A “blind…
January came and went with a lot of snow in a blink, the only sign left of it is the snow mountains in the street corners of New York City. However, bad weather is no excuse for an agile development team to not deliver a product release. At Catchpoint we…
We could not have closed 2010 without one last release. So this week we delivered the December version to our customers. Here are some of the key feature highlights: Dashboard Version 1: We released the first version of Catchpoint Dashboard. A simple dashboard that displays 4 widgets with key metrics…
Poor performance of third-party content is one of the biggest concerns today for web publishers, e-commerce, and marketers. By including JavaScript tags for online advertisements, widgets, analytics, etc – the performance of a website becomes highly dependent on the third-party. Problems by such content can translate into content unavailability or…
Every web site out there relies on so much content delivered by 3rd parties, from the obvious adserving companies, cdn, widgets… I do not see that trend going down. A long time ago when DoubleClick was also an Ad Network we had a very strict process for allowing other adserving…
Every company that monitors their website or application performance focuses on two key metrics Availability and Speed. However, there is a third metric, Reliability, which is often misunderstood or in some cases ignored by companies. Reliability measures availability, accuracy, and delivery of a service within a time threshold. Reliability is…
