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There are many different classes of web performance tools, from synthetic monitoring to application performance monitoring (APM), to real user monitoring (RUM), and more. These different classes exist because each has its own strengths and weaknesses. When evaluating open source tools or enterprise-grade synthetic monitoring tools, you want to look for capabilities that maximize its strengths. With over a decade of experience in the web performance space, we understand that the needs and capabilities have evolved, and when evaluating soluti...

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Web Performance Bookshelf

Alla Gringaus

Why share the library of the web performance books while there's a substantial collection of fantastic websites and articles on the net? When it comes to web content, you can easily find what you need through many different paths, from search engines and social media to playlists and blogs, jumping from one source to another with just a tap of a finger. Take, for example, The Web Almanac, the golden collection of Big Data combined with the collective intelligence from most of the authors listed below, brilliantly spearheaded by Google's @rick_...

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Debunking 5 Myths About Performance Budgets

Alla Gringaus, Marla Blair

In a constantly changing environment, brands are likely to be iterating on sites and applications to make them bigger, faster, fancier, and more engaging while pushing the new and updated code out as quickly as possible. Without a set plan in place, any new script can damage performance, affecting user experience, and, therefore, business KPIs. We noticed a few common misperceptions about web performance budgets that can impact their adoption and setting that we would like to address. <...

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Synthetic Monitoring vs. RUM

Chapman Lever

It’s important for both technical and business teams to understand the different web performance monitoring options that are available as well as their various use cases and the benefits of each. Let’s start with a brief definition of two of the more prominent web performance methodologies: synthetic monitoring and real user monitoring (also known as RUM). Synthetic Monitoring. Synthetic monitoring vendors provide a remote (often global) infrastructure that visits a...

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  GameStop recognized that it needed to avoid outages by protecting website resources from an overload in traffic on Black Friday. The US-based company prepared for the holiday season by leveraging their CDN to selectively deny site access to certain regions while prioritizing key markets during the critical shopping period. Was that strategy a success? In this edition of the #WebPerf Spotlight Series, Rigor CTO Billy Hoffman uses the data from monitoring the GameStop website to review the company performance over Cyber Five...

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  During Black Friday weekend 2019, fast-fashion retailer Forever 21’s website had an outage that left users seeing a generic error message when they tried to shop the company’s doorbuster deals. As the site recovered from the outage, its performance took a hit, requiring extra time to recover. By taking advantage of its Edge server and CDN to handle geo-redirection, the company was able to quickly offload some of the incoming traffic while it managed the situation. In this holiday edition of the #WebPerf Spotlight Series...

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     New York & Company quickly caught and resolved a site outage during the 2019 kick-off to the holiday shopping season (Black Friday through Cyber Monday). The bigger issue was how long it took the ecommerce site to fully recover for shoppers eager to get deals on the brand’s clothing and accessories. In part one of the 2019 Holiday Edition of the #WebPerf Spotlight Series, Rigor CTO Billy Hoffman uses data from the Rigor monitoring and optimization platform to uncover how this retail business mitigated the...

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