Web Development Tools
Apple has brought its expertise in OS X and iOS development tools to the web. Safari includes Web Inspector, a powerful tool that makes it easy to modify, debug, and optimize a website for peak performance and compatibility. To access these tools, enable the Develop menu in Safari’s Advanced preferences.
Web Inspector is your command center, giving you quick and easy access to the richest set of development tools ever included in a web browser. With Web Inspector, you see Safari’s developer tools in a clean, unified interface designed to make developing web applications for OS X and iOS more efficient.
View detailed data about web page resources, including documents, scripts, and images.
The console offers a way to inspect and debug your webpages.