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At Rigor, we want to make continuous monitoring of API performance and functionality easy for everyone. Earlier this year, we introduced a new API Check for monitoring API performance and reliability. Then, we wrote and published a free eBook about how to test and monitor APIs at scale. Today, we're launching a set of exciting enhancements for API Check that will expand monitoring possibilities for our users. What's new? Most importantly, API Check is now programmable. We added the ability to augment check steps with JavaScript, so...

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Slow-loading web pages are frustrating for users, so you probably want to optimize the rendering of your site. This article focuses on ways you can optimize your JavaScript and CSS so that your page loads your above-the-fold content as quickly as possible. Because this is the content your users see first and foremost, we will cover ways to render that, while deferring, if possible, anything related to below-the-fold content, or content that your users are not seeing initially. ...

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Websites today are growing larger than ever before with the average page size and number of page requests getting larger every month. As websites become increasingly JavaScript-heavy, it is  important for site owners to understand the impact of JavaScript on their websites. With this blog, I will provide an outline for identifying whether poorly performing JavaScript files are a problem for your website, and provide some best practices for reducing the resulting performance issues. To determine whether JavaScript is slowing down your sit...

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Slow websites often share common causes of sluggishness. Here are some tips to identify, understand, and eliminate one of these frequently-found issues. One of the main contributors to our clients' performance troubles is not combining JavaScript and CSS files into single entities on web pages. While this performance bottleneck is simple to find, fixing it can substantially speed up your website. Here is one such example from a website that was recently the subject of an optimization project: For a better understanding of how to read HAR...

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