WebPageTest

Connection

BW Down	BW Up	Latency	Packet Loss
Kbps	Kbps	ms	%

Number of Tests to Run
Up to 9
Repeat View First View and Repeat View First View Only
Capture Video
All test results are configured to be private by default.
Label

Stop Test at Document Complete
Typically, tests run until all activity stops.
Disable JavaScript
Clear SSL Certificate Caches
Internet Explorer and Chrome
Ignore SSL Certificate Errors
e.g. Name mismatch, Self-signed certificates, etc.
Disable Compatibility View (IE Only)
Forces all pages to load in standards mode
Capture network packet trace (tcpdump)
Save response bodies
For text resources (HTML, CSS, etc.)
Preserve original User Agent string
Do not add PTST to the browser UA string
User Agent String
(Custom UA String)
Capture Full Size Video
Enables full size screenshots in the filmstrip
Minimum test duration
Capture data for at least... seconds
Custom headers
Add custom headers to all network requests emitted from the browser
Inject Script
JavaScript to run after the document has started loading

Chrome-specific advanced settings:

Capture Lighthouse Report (Uses a "3G Fast" connection independent of test settings)
Emulate Mobile Browser
Capture Dev Tools Timeline
Capture Chrome Trace (about://tracing)
Trace Categories
(when tracing is enabled)
Capture Network Log
Enable Data Reduction
Chrome 34+ on Android
Host Resolver Rules
i.e. MAP * 1.2.3.4
Command-line
Custom options

PLEASE USE A TEST ACCOUNT! as your credentials may be available to anyone viewing the results.

Using this feature will make this test Private. Thus, it will *not* appear in Test History.

HTTP Basic Authentication
Username
Password

Check out the documentation for more information on this feature

Enter Script

Script includes sensitive data
The script will be discarded and the HTTP headers will not be available in the results
Discard all HTTP headers

Block Requests Containing (URL substrings)...
Space-separated list

Block Domains (full host names)...
Space-separated list of domains

Simulate failure of specified domains. This is done by re-routing all requests for the domains to blackhole.webpagetest.org which will silently drop all requests.

Hosts to fail (one host per line)...

See the documentation for details on how to specify custom metrics to be captured.

Custom Metrics:

See the documentation for details on how to specify custom hero elements.

Custom Hero Element Selectors:

Test a website's performance

Select Test Location