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It’s true that what might be considered the “most important” or “best” web performance metrics can vary by industry. For example, a media organization may be interested in tracking Time to Interactive because its site relies on third-party advertising for revenue, while an ecommerce business might want to dig deeper into First Meaningful Paint so it can ensure that customers can quickly take action to purchase an item. But there is some information that is universal for all websites - and everyone has to start somewhere, right?...

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“The Best in Performance” video series from Rigor gives you the chance to eavesdrop on conversations with web performance industry experts, thought leaders, and technologists. Listen in as they talk about current trends, challenges, and lessons that impact the APM and performance space today. You’ll be armed with information you can use in your own organization, and you’ll impress everyone with your insider knowledge! Check out our recap of episode two with Alla Gringaus, then view full episodes in the series and subscribe to be...

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With so many different metrics available to measure dozens of different aspects of a web page, it can be a struggle to know how best to quantify that page’s overall web performance. In this post, we discuss why there are so many metrics, explore what is "the best" metric, and discuss how you can use the Lighthouse Score to better your own performance. In the early days of performance monitoring, there were far fewer metrics than we have today. As our understanding of web performance matured, a light m...

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“How fast is a website?” While it’s a simple question on the surface, it can be challenging to answer. In the past, the answer would be based on the load time of a page, but over the years, we have evolved our approach to site speed to incorporate new metrics, alone or in combination with existing metrics. To build fast sites and stay competitive, it is critical for people passionate about performance to stay informed about new metrics and the methodology behind them. Today, when asking “how fast,” we need to look at more than load sp...

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“The Best in Performance” video series from Rigor gives you the chance to eavesdrop on conversations with web performance industry experts, thought leaders, and technologists. Listen in as they talk about current trends, challenges, and lessons that impact the APM and performance space today. Why pay for a conference (airfare! hotel! room service!) when you can learn from the best of the best while sitting at your desk (or on your couch)? Check out our recap of episode one with Cliff Crocker, then view full episodes in the series...

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Big data is like the pollution of the information age. There is an overwhelming amount of it—who manages it, where is it being stored, who is translating it, and what does it all mean? Many larger organizations leverage teams of data scientists to manage, configure and analyze the data pulled into BI and dashboarding solutions like Datadog and Grafana in an effort to get a single view into their performance. And while such solutions deliver strong value for managing data across multip...

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Measuring and optimizing for user experience is the future of web performance. Existing metrics like DOM Content Loaded and Onload Time are giving way to user-centric metrics such as visual timings and user timings. But do they ‘paint’ the whole picture? The older metrics and methods provide some useful insight, but to better serve users on the modern web we have to start looking at page ‘interactivity’. Interactivity metrics can provide insight and uncover blind spots not...

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