GUIDE: Dev Tools --> Network Tab
Open the dev tools tab with CTRL + SHIFT + J and navigate to the network tab. In firefox, be sure to use CTRL + SHIFT + I
![Developer's tools 'Network' tab default view.](../../library/img/DevToolsNetwork.png)
Networktab default view.
Network panel provides details and insights of a website's remote operation. Because files need to be downloaded from a web server, details specific to individual file transport are presented throughout the panel's interaction.
![Click the filter icon to open and close the filter options bar](../../library/img/DevToolsNetwork0.png)
![Filter the list by file extension type](../../library/img/DevToolsNetwork1-filter.png)
More status code information is found at <HTML Frames>.
!['Waterfall' details show specific file transport statistics](../../library/img/DevToolsNetwork1-filterDetail.png)
Waterfalldetails show specific file transport statistics
![Click More network conditions icon to navigate to the network conditions console tab option](../../library/img/DevToolsNetwork2-networkConditions.png)
More network conditionsicon to navigate to the network conditions console tab option
If the findings are needed analyzed at a later time or viewed elsewhere, the import and export (HAR) options allow saving and re-viewing the network data through the import and export HAR functionality.
![Save the records as a .HAR file](../../library/img/DevToolsNetwork-exportHAR.png)