Close

Find bugs in your code

Before they eat your lunch

Prefix is free and runs on your devBox 

unless you get the premium version

[ that one runs in your veins ].

Detailed trace of

every web request

You may have a profiler, but do you have a Prefix?

Runs fast and

is always ready

No messy config or

code changes

Prefix isn’t a standard code profiler. It displays details per web request so you can understand what your code is doing and how long it takes (i.e. “what did my code just do?”).

Prefix provides an instant feedback loop to see what your .NET or Java web app is doing. 


Find and fix bugs before they get to production = you're a god.

Immediate code insights.

Instant download. 

Thousands of developers in over a hundred countries are rocking Prefix. Are you?

Why wouldn't you? It's amazing and it's free.

Prefix Premium

Prefix comes in two power levels:

15

Prefix Free

$

$

/ month

0

/ forever

Prefix is the workstation component of Stackify's code lifecycle toolbox for developers.

Customize Prefix’s profiler to track any method from your code or third party library. Track down slow methods.

[ Prefix Premium Only ]

Trace transactions across servers

Smart suggestions

View what your code is doing on remote servers in real time! Requires Retrace on the servers.

Prefix will warn you if your code is running the same SQL query multiple times, not closing a SQL connection and more.

Instantly compare performance stats from QA & Prod to your local request. One click to compare all details in Retrace.

Track any method in your code

Compare performance

PostgreSQL

Elasticsearch

MongoDB

Azure

MySQL

Windows

Oracle

Learn more about supported frameworks for:

AWS

Prefix works out of the box with your stack

Linux

Redis

Tomcat

No one will ever know these devs make mistakes. That's genius squared!

There's code profiling—and then there's reality

How to Measure Real World SQL Performance

Understanding Performance for Reading Incoming Data

Optimizing APM solutions for low overhead makes it safe for them to run on production servers. Retrace is optimized in a major way.

Check out these helpful posts to learn more:

Learn how to set-up Retrace to track non web transactions with some minor code changes.

Why Calling a Web Service Takes Longer Than You Think

Exceptions in .NET can be very expensive when it comes to CPU cycles. Read how Geeks with Blogs used Retrace to improve app performance.

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