Scaling Puppeteer & Playwright on Checkly with Terraform

Managing large numbers of checks by hand quickly becomes cumbersome. Luckily, Checkly's REST API allows us to automate most of the repetitive steps. Building on that API, the Checkly Terraform Provider takes automation one step further, enabling users to specify their active monitoring setup as code. In this article, we…

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We now support 🎭 Playwright!

We are really excited to announce that you can now use Playwright in your browser checks. If you didn't know yet, Playwright is Microsoft's headless browser library. It's very similar to Puppeteer. In fact, it was built by the original creators of Puppeteer and has mostly the same features and…

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Writing theheadless.dev

After weeks of writing, researching and hopefully enough proofreading, we just launched a living collection of practical guides on leveraging headless browser tools (starting with Puppeteer and Playwright) for testing, monitoring, scraping, performance measuring and more. We called it theheadless.dev. This article is about the different approaches we tried…

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Improving the SSL certificate expiration alerts

We just updated our SSL certificate expiration alerting. This update gives you more control over where and when you want to receive these alerts. Before today, certificate alerts were set as part of "Alert Settings" tab, either globally or using specific settings for checks & check groups. This wasn't all…

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Changelog: Opsgenie, Dashboard improvements, Terraform and more

Here is an overview of the features & fixes we released over the last ~2 months: Opsgenie integrationCheckly can now create and resolve alerts in your Opsgenie team with our dedicated integration. Opsgenie integration👉  Read more on how to integrate Checkly with your Opsgenie team in our docs Dashboard improvementsYou…

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How we monitor Checkly (updated)

Update 29-06-2020 Last week we released the first version of our OpsGenie integration, making it easier for ourselves and our users to leverage Checkly together with the popular alerting and incident management platform. Here is how it looks like: Our plan is to put additional work into our integration to…

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Post mortem: checks with async IIFE reporting success incorrectly

Between 05.06.2020-12.06.2020, checks using the async IIFE syntax had runs marked as passed when, in reality, they were not correctly executed. Impact We detected 18 active checks which were affected. Root Causes Changes related to additional security measures for Browser checks changed the default behavior of…

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