Arc XP Tools and PageBuilder Insights is a Chrome extension developed by ArcXP PageBuilder. It is a free tool that provides valuable information to publishers and developers, allowing them to audit their live websites for content, performance issues, and improvements.

With this extension, the editorial team, content creators, and publishers can quickly access content tools directly from the live web pages. They can easily edit and publish content without the need to navigate and search for the specific content in the Arc Admin interface.

Developers can also benefit from this extension as it provides insights into their page's performance. It offers details about their content object, cached object, and API calls made from their page to Arc XP. This information can be crucial in identifying the reasons behind slow rendering of web pages.

The PageBuilder tab in Developer Tools offers additional information such as cache health, API calls, response codes, and insights. Whenever the extension detects anomalies, it highlights the areas that developers should review.

In conclusion, Arc XP Tools and PageBuilder Insights is a fast, extensible, and secure extension that enables users, developers, and product owners to gain valuable insights about their web pages. Developed by Arc XP, a part of The Washington Post's Arc XP company, this extension is a valuable asset for anyone involved in website content management and development.