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Safari Developer Help
Get started in Safari Developer Tools
Safari Developer Tools overview
Develop menu
Web Inspector
Elements tab
Network tab
Resources tab
Timelines tab
Debugger tab
Storage tab
Console tab
Inspecting Webpages
Inspecting overview
Select the HTML for an element
Navigate the HTML
View the computed CSS
View node properties for a DOM node
View WebSocket connections
Filter network request data
Filter local storage values
Simulate responsive web content on Apple devices
Editing HTML, CSS, and JavaScript
Editing overview
Edit an HTML element
Edit CSS rules
Edit CSS rules visually
Force a pseudostate on an element
Edit JavaScript
Debugging JavaScript
Debugging overview
Add a JavaScript breakpoint
Edit a breakpoint
Add conditions to JavaScript breakpoints
Stepping through JavaScript code
Add, disable, or delete a DOM breakpoint
Add an XHR breakpoint
Add and modify watch expressions
Highlight type and code coverage during code execution
Log messages with the console
Debugging Web Workers
Checking Performance
Performance overview
Record a timeline
Select timeline instruments to record
Change the time range for a timeline recording
Improve rendering performance
Improve resource load time
Improve slow function executions
Improve memory performance