WordPress NO Cache vs WP Super Cache vs LiteSpeed WordPress Cache

We wanted to compare Litespeeds WordPress cache against no cache and WP Super Cache.T

The results are clear, and we’ll explain why you should be using caching on your WordPress website, and even better using Litespeed’s WordPress cache! The Free “LSCWP Plugin”

No Cache

/usr/local/apache/bin/ab -n 50 -c 40 http://ssdtest.unixguru.co.uk:80/wordpress/
This is ApacheBench, Version 2.3 <$Revision: 1706008 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking ssdtest.unixguru.co.uk (be patient)…..done
Server Software: LiteSpeed
Server Hostname: ssdtest.unixguru.co.uk
Server Port: 80

Document Path: /wordpress/
Document Length: 47368 bytes

Concurrency Level: 40
Time taken for tests: 5.773 seconds
Complete requests: 50
Failed requests: 0
Total transferred: 2381200 bytes
HTML transferred: 2368400 bytes
Requests per second: 8.66 [#/sec] (mean)
Time per request: 4618.713 [ms] (mean)
Time per request: 115.468 [ms] (mean, across all concurrent requests)
Transfer rate: 402.78 [Kbytes/sec] received

Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 1 0.3 1 1
Processing: 1648 3336 955.5 3590 4940
Waiting: 1445 3138 953.2 3417 4736
Total: 1649 3337 955.4 3590 4940

Percentage of the requests served within a certain time (ms)
50% 3590
66% 3630
75% 3946
80% 4376
90% 4830
95% 4864
98% 4940
99% 4940
100% 4940 (longest request)

 

Litespeed WordPress Cache

/usr/local/apache/bin/ab -n 50 -c 40 http://ssdtest.unixguru.co.uk:80/wordpress/
This is ApacheBench, Version 2.3 <$Revision: 1706008 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking ssdtest.unixguru.co.uk (be patient)…..done
Server Software: LiteSpeed
Server Hostname: ssdtest.unixguru.co.uk
Server Port: 80

Document Path: /wordpress/
Document Length: 47368 bytes

Concurrency Level: 40
Time taken for tests: 0.009 seconds
Complete requests: 50
Failed requests: 0
Total transferred: 2383550 bytes
HTML transferred: 2368400 bytes
Requests per second: 5311.24 [#/sec] (mean)
Time per request: 7.531 [ms] (mean)
Time per request: 0.188 [ms] (mean, across all concurrent requests)
Transfer rate: 247257.87 [Kbytes/sec] received

Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 1 0.3 1 1
Processing: 1 5 2.0 6 7
Waiting: 1 4 1.7 4 6
Total: 2 6 1.8 6 8

Percentage of the requests served within a certain time (ms)
50% 6
66% 7
75% 7
80% 8
90% 8
95% 8
98% 8
99% 8
100% 8 (longest request)

 

WP Super-Cache

/usr/local/apache/bin/ab -n 50 -c 40 http://ssdtest.unixguru.co.uk:80/wordpress/
This is ApacheBench, Version 2.3 <$Revision: 1706008 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking ssdtest.unixguru.co.uk (be patient)…..done
Server Software: LiteSpeed
Server Hostname: ssdtest.unixguru.co.uk
Server Port: 80

Document Path: /wordpress/
Document Length: 47512 bytes

Concurrency Level: 40
Time taken for tests: 0.023 seconds
Complete requests: 50
Failed requests: 0
Total transferred: 2391320 bytes
HTML transferred: 2375600 bytes
Requests per second: 2131.56 [#/sec] (mean)
Time per request: 18.766 [ms] (mean)
Time per request: 0.469 [ms] (mean, across all concurrent requests)
Transfer rate: 99555.50 [Kbytes/sec] received

Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 1 0.3 1 1
Processing: 0 9 6.7 9 22
Waiting: 0 9 6.7 9 22
Total: 1 10 6.9 10 22

Percentage of the requests served within a certain time (ms)
50% 10
66% 13
75% 18
80% 18
90% 20
95% 21
98% 22
99% 22
100% 22 (longest request)

 

Summary

Time Taken To Complete Test (Lower Is Better)

Time taken for tests: 5.773 seconds (No Caching)

Time taken for tests: 0.023 seconds (WP Super-Cache)

Time taken for tests: 0.009 seconds (Litespeed WordPress Cache)

 

Requests Per Second (Higher Is Better)

Requests per second: 8.66 [#/sec] (mean) (No Caching)

Requests per second: 2131.56 [#/sec] (mean) (WP Super-Cache)

Requests per second: 5311.24 [#/sec] (mean) (Litespeed WordPress Cache)

 

As you can see there is a large difference between no caching and WP-Super-Cache, and a further big difference between WP-Super-Cache, and Litespeeds WordPress Cache Plugin. Litespeed has done great work with their caching recently, especially with LiteMage for Magento, and new versions keep coming!

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