Summary
In this guide, learn how to:
- Set up a basic single-page, real-browser synthetic monitor
- Emulate network conditions with bandwidth and latency throttling
- Set request Cookies or Headers
- Set DNS overrides
- Block domains or files from loading
- Monitor mobile sites using device emulation
- Enable screen shot and film strip capturing
How to set up a basic single-page, real-browser synthetic monitor
Pull up the Settings window by clicking on the gear icon in the toolbar at the top of the page.
Select Synthetic Monitors from the Synthetic Configuration section.
Click Create > Single-page Real Browser Monitor.
Now you can start to configure the monitor. You’ll notice required fields have a red asterisk. First, give the monitor a name in the Monitor Name field. If you don’t want the monitor running indefinitely, configure a Kickoff Time and End Time. Also, set any Maintenance Windows you want to apply to this monitor’s run schedule. What’s a maintenance Window?
Next and most important, enter the URL you want to monitor, and the Page Name and Traffic Segmentation. Traffic Segmentation and Page Name are important fields because they are what appear in the filters when looking at the data in other areas of the portal. Here you can also control the frequency of the measurements, set a timeout for the URL, and control where the measurements are run. Be sure to select at least one Agent Location to run the monitor.
All required fields should be filled at this point, so to complete setting up this single-page monitor scroll to the bottom of the page and click Create. You’ll see your new measurement listed in the table, and you’ll be able to see data within an hour.
If you need to add advanced configuration to this synthetic monitor, continue reading for more information.
Emulate synthetic monitor’s network conditions with bandwidth and latency throttling
Once you have set the basic configuration for your synthetic monitor, scroll down to the Network Emulation section. Select “Enabled” from the Network Emulation drop down, then select from the given bandwidth and/or latency options. Bandwidth limits both upload and download throughput to the selected speeds, and Latency adds the specified delay to all network traffic.
Set request for Cookies or Headers
On the create page for a synthetic monitor, find the BROWSER CONFIGURATION section. Here you can input cookie name-value pairs as well as header name-values. To add multiple cookies or multiple headers, simply click the “+” icon and add more.
Set DNS overrides
On the create page for a synthetic monitor, find the BROWSER CONFIGURATION section. You’ll see fields for Dns Ip and Dns Hostname. Similar to adding request headers or request cookies, you can enter the ip and hostname here just like a hosts file entry. In the example below, all references to www.example.com during the synthetic test will point to a server at 192.0.2.1.
Block domains or files from loading
On the create page for a synthetic monitor, find the BROWSER CONFIGURATION section. Toward the bottom of the section you’ll see a Blacklist Filters field. Using the wildcarding you can block a URL pattern. In the example below, we will be blocking everything from evildomain.com, and the file at http://www.baddomain.com/badFile.js.
Monitor mobile sites using device emulation
When measuring a mobile site you’ll want to make sure you have device emulation enabled. On the create page for a synthetic monitor, find the DEVICE CONFIGURATION section. Click to select “Yes” under Use Mobile Device. The Device list will enable and provide a list of mobile device options.
This uses Chrome’s mobile emulation feature in DevTools.
Enable Screenshot and Film Strip Capturing
On the create page for a synthetic monitor, find the SCREEN CAPTURE/FILM STRIP CONFIGURATION section.
By default, Blue Triangle synthetic measurements will always capture a screenshot after the page has loaded. Select yes in the Film Strip drop down to enable a film strip – by default, the percentage of measurements that will capture a film strip is 25%. To increase this, please contact sales@bluetriangle.com.
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