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lux
Troubleshooting FAQs for
LUX
and Synthetic
Why you shouldn't use a tag manager to deploy the
LUX
snippet Why are my
LUX
metrics different from… Why are my Synthetic and
LUX
numbers different?
LUX
query timeouts… Is the
LUX
snippet working correctly?
Written by
Tammy Everts
Updated over a week ago
What data is collected by
LUX
for RUM?
The data is gathered by adding the
LUX
JavaScript snippet to your website as described in the
LUX
Getting… You can see all the
LUX
metrics we collect here.
LUX
also doesn't do any ongoing user tracking… You can see an example of the
LUX
data gathered by clicking on a row in the
LUX
Live dashboard in your
Written by
Steve Souders
Updated over a week ago
Using
LUX
with a tag manager
The
LUX
Getting Started guide has instructions for deploying the
LUX
snippet… This explains how to put
LUX
in your pages in order to collect performance data from your users… Those instructions say to put the
LUX
snippet as early in the page as possible, i.e. at the top of the
Written by
Joseph Wynn
Updated over a week ago
Tour the
LUX
dashboards
Click through each link to explore each dashboard in our live interactive
LUX
demo…
LUX
measures CPU using the Long Tasks API… Your
LUX
dashboards offer a number of lenses into your RUM (real user monitoring) user data. Here's what you can learn from each dashboard
Written by
Tammy Everts
Updated over a week ago
Manage Your
LUX
Budget
Your
LUX
budget is the number of page views your plan can measure per month… You can check your
LUX
budget by going to Admin > Plan & Usage… It defaults to 100%, but you can lower your sample rate to a level that stays within your
LUX
budget
Written by
Steve Souders
Updated over a week ago
Why aren't my page labels showing up for
LUX
?
If you are looking to set up page labels for
LUX
, please see this article… In this example, the label is set to 'home': Sending main
LUX
beacon: https://lux.speedcurve.com/…
lux
/?
Written by
Cliff Crocker
Updated over a week ago
A/B testing with
LUX
It's easy to run this A/B test using our RUM product,
LUX
. We call this metric OnDataReceived… We use
LUX's
addData API to segment the RUM data across these buckets… We'd be happy to set you up with a
LUX
free trial to make it easy peasy (lemon squeezy)
Written by
Steve Souders
Updated over a week ago
Using
LUX
in a Single-Page App (SPA)
If you're not currently a
LUX
customer, you can follow the simple
LUX
Getting Started Guide to start… There are three main
LUX
APIs involved in making
LUX
work with your SPA: LUX.init - Call this function… More: Here's a detailed guide to how the team at Unsplash set up
LUX
for their SPA
Written by
Steve Souders
Updated over a week ago
LUX
and subresource integrity (SRI)
How to use subresource integrity with lux.js
Written by
Joseph Wynn
Updated over a week ago
Tracking resource size in
LUX
However, there are some cool ways you can still leverage this for use in
LUX
… This doesn’t mean you can’t use this to improve your
LUX
data set!… Using customer data, you can capture resource size and send it to
LUX
Written by
Cliff Crocker
Updated over a week ago