The Checkly Blog (Page 2)

devops

Synthetic transaction monitoring at scale with Terraform and Checkly

Giovanni Rago on Oct 28, 2020 - 7 min read

Managing large numbers of website monitoring 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 synthetic transaction monitoring setup as code. In…

announcements

Heads up: we are making a change to assertions for API checks

Tim Nolet on Oct 21, 2020 - 4 min read

Update: this has been released as per 13:00 CET on 11 November. We delayed it a week due to some rescheduling of other items on our roadmap. This post is to give you a heads up of a change we will release on Tuesday November 3rd that could impact…

playwright

Active monitoring with Playwright on Checkly 🎭

Jan Grzesik, Batuhan Icoz on Sep 23, 2020 - 3 min read

We are really excited to announce that you can now use Playwright in your browser checks for active monitoring. The popular Puppeteer Recorder Chrome extension also supports Playwright now and is renamed to Headless Recorder. This was on our public roadmap and cooking for some time now and we're glad…

puppeteer

Headless browser automation guide - Writing theheadless.dev

Giovanni Rago on Aug 19, 2020 - 3 min read

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…

Improving the SSL certificate expiration monitoring

Batuhan Icoz on Aug 14, 2020 - 1 min read

We just updated our SSL certificate expiration monitoring. This update gives you more control over where and when you want to receive 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 that…

changelog

Changelog: Opsgenie, Dashboard improvements, Terraform and more

Tim Nolet on Jul 08, 2020 - 2 min read

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…

building a saas

How we monitor Checkly's API and Web App (updated)

Giovanni Rago on Jun 18, 2020 - 5 min read

Update 29-06-2020 Opsgenie IntegrationLast 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…

Post mortem: checks with async IIFE reporting success incorrectly

Umut Uzgur on Jun 15, 2020 - 1 min read

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…

devops

Easy E2E testing & monitoring with Gatsby, Vercel, and GitHub

Giovanni Rago on May 27, 2020 - 6 min read

Exciting times ahead. With the Jamstack gaining momentum, the landscape around it is offering more and more tools to streamline developer workflows and free up time for actual development. A cutting edge solution in this interesting space is Vercel, formerly known as ZEIT. In this blog post we will get…

postmortem

Post mortem: outage browser check results & alerting

Tim Nolet, Batuhan Icoz on May 19, 2020 - 2 min read

Monday 18 May we had an outage in processing browser check results between 15:44 PM UTC and 20:38 PM UTC. This was caused by a bug in our release and deployment software. API checks were not impacted. ImpactFor around 5 hours, we did not record any results for…

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