Do you know how much load your website can take concurrently? Check out with these tools to perform a load test on your website.

Knowing your website capacity is essential for your online business. The fact is we put a lot of efforts in designing, securing & SEO but often forget to know how many concurrent users can be served without compromising the website performance.

The following tools will help you to find out a number of hits your website can take before it dies or degrades the performance.

BTW, if you are looking to test with a large number of concurrent users then online tools can cost you few hundreds dollar so you may consider using Apache JMeter in free.

1. Load Impact

loadimpact

Perform real-time testing with 25 virtual users for 5 minutes in free account with Load Impact. This will give you an idea how your web application behaves when you have 25 concurrent users and also given you usage report of CPU, Memory, Disk I/O, Network I/O.

A sample graphs generated by Load Impact.

load-impact-test-results

2. Loader

loader

Loader lets you run a load test for one minute with 1000 user request in the free account. Not bad to run against 1000 users in free. Loader.io offers an option to configure a number of requests, error threshold for a timeout, request method like GET/POST, Protocol like HTTP/HTTPS, Headers, Body Parameters & response variables.

loader-test-results

3. Load Storm

loadstorm

With a free account, Load Storm allows you to stress test against your web application with 10 users for 10 minutes. I know 10 users is very less for load test but if you are looking to see the test in action and understand the metrics then it’s not bad at all.

loadstorm-test-results

4. Blazemeter

blazemeter-test-summary

If you love Jmeter, you must try Blazemeter. Setting up load scenario properties is very easy and allow you to test from Ireland, Virginia, California, Singapore, Oregon, Sydney, Tokyo, and Sao Pulao. In the free account, you can perform load for up-to 50 users and end of the test, you will get test summary, load report, monitoring, logs, errors, etc.

blazemeter-monitoring

5. Load Focus

Perform test with 500 concurrent users with a free account from either US or Ireland location. Load Focus also has an option to perform website speed test and monitoring.

load-focus

I hope above tools give you an idea of how your website perform when a certain number of hits your server receive.

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