Jimmy Ou

Latest — 30 Sep 2025

Chrome-DevTools MCP: A Connection Quirk Worth Knowing

Overview While testing out Google's Chrome-DevTools MCP (Model Context Protocol), I discovered an interesting quirk when connecting to an existing Chrome instance. Here's a quick note on what I found. Setup Requirements To connect the Chrome-DevTools MCP to an existing Chrome instance, you need to configure

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Why Route 53 geolocation routing is not accurate?

Background Route 53 Geolocation routing lets you choose the resources that serve your traffic based on the geographic location of your users, meaning the location that DNS queries originate from. For example, when you have create two resources in US and EU. You would like to let the users from

How to monitor the network latency between different AWS regions?

In this article, I will show you how we can monitor the network latency between AWS regions. Background Global Infrastructure - AWSAmazon Web Services, Inc. AWS has 36 launched regions as I am writing this article. When you deploy your application across regions, you may need to consider the network