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Install Clarification on Caching and Optimization for Wordpress

Discussion in 'Install & Upgrades or Pre-Install Questions' started by Speed Addict, Dec 1, 2016.

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  1. Dec 1, 2016 #1
    Speed Addict

    Speed Addict New Member

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    Hi,

    I am sorry but there is so much material on caching and performance its getting confusing. I want to make sure I have a clear picture of what is going on. I am currently trying to optimize for wordpress.

    Goal: All things equal which combination would be fastest for Small Business Website(lets say a local landscaping business)

    Test Criteria(nginx + Ngx_pagespeed will be default)
    1. fastcgi + WP Rocket
    2. fastcgi + Cache Enabler
    3. fastcgi + W3 Super Cache

    Does fastcgi stay on? does it work on top of redis cache?(edit)

    4. Redis Cache + Redis Object Cache
    Should I test all the three wordpress plugins above with this setup as well or is it over doing it?

    Anyone have suggestions for additional criteria? Am I wrong somewhere or missing anything?

    One thing I like about wp rocket is that it does full page caching and it forces browser to cache static resources. I am not sure if other plugin perform the same task.

    File based caching
    1. Fastcgi
    2. Redis Cache
    3. WP Rocket/Cache Enabler(Full page cache)

    Object/Memory Caching
    1. Redis Object Cache
    2. Memcached

    Other Optimization and Caching Tools(?)
    W3 Total Cache
    -GZIP compression to optimize web browser rendering.
    -Minification and concatenation of HTML, CSS and JavaScript files.
    - CDN Support

    Wp Super Cache
    - Page compression and dynamic caching.(What is dynamic caching?)
    - CDN Support

    Wp Rocket
    - browser cache, guidelines so that the browser caches static resources of the site (CSS files, images, and JavaScript)
    - creates a static HTML page to avoid any PHP processing.

    Cache Enabler
    -Efficient and fast disk cache engine for faster caching
    -Display of the actual cache size in your dashboard
    -Minification of HTML and inline JavaScript
    -HTTP/2 focused

    Ngx_pagespeed
    -optimising static css, js and image page elements
     
    Last edited: Dec 1, 2016
  2. Dec 1, 2016 #2
    eva2000

    eva2000 Administrator Staff Member

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    Nginx 1.13.x
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    For best compatibility + performance with various WP plugins, best is using keycdn cache enabler (better version of wp super cache) for full page static caching
     
  3. Dec 1, 2016 #3
    Speed Addict

    Speed Addict New Member

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    If you do not mind can you use please explain the different software and plugins and explain what they are caching and how(disk? ram?). It would help me(may others) understand how we can combine them for the best effect.
     
  4. Dec 1, 2016 #4
    eva2000

    eva2000 Administrator Staff Member

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    Nginx 1.13.x
    MariaDB 5.5
    fastcgi_cache, wp super cache, keycdn cacher enabler all do the same full page caching but where they store the cached pages differs
    • fastcgi_cache = stored in memory
    • wp super cache and keycdn cacahe enabler = stored in filesystem/on disk or if you want tmpfs based ram disk.
    as to the rest
    • wp rocket never used
    • w3tc too bloated to be useful for nginx lemp stacks
    ngx_pagespeed isn't caching so much as optimisation see and read Nginx PageSpeed - CentminMod.com LEMP Nginx web stack for CentOS including the youtube video. You can't use ngx_pagespeed with fastcgi_cache
     
    • Informative Informative x 1
  5. Dec 1, 2016 #5
    Speed Addict

    Speed Addict New Member

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    I tested wp rocket vs cache enabler and I do not find any consistent difference between the 2. I will be running some of these test on different vps providers and I will provide an update.
     
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  6. Dec 1, 2016 #6
    Speed Addict

    Speed Addict New Member

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    I didnt follow the testing criteria as I had originally planned as eva told me what to expect from such a test. So I focused more on just general usability.

    Vultr(2gb NJ)
    -Theme Responsive CyberChimps.com
    first load
    .94
    second
    .38
    .3
    .23

    -Avada Architecture theme Fully loaded with pictures
    1st 2.28
    2nd .4

    -Pingdom
    954ms
    -Gtmetrix
    2.7s
    -Monitus
    2.4s
    -Uptrends
    916ms

    Linode(4gb NJ)
    -Theme Responsive CyberChimps.com
    first load
    .84
    second
    .22
    .23
    .21

    -Avada Architecture
    1st 2.18
    2nd .33

    -Pingdom
    783ms
    -Gtmetrix
    2.4s
    -Monitus
    3.78ms
    -Uptrends
    1067ms

    Ramnode(2gb NYC)
    -Theme Responsive CyberChimps.com
    first load
    1.4
    second(interesting)
    .11
    .9
    .10

    -Avada Architecture
    2.16
    .38

    -Pingdom
    795ms
    -Gtmetrix
    1.8s
    -Monitus
    4.12
    -Uptrends
    761ms

    In general my observation is all the provider are very good and fairly close. You do get the best overall value with linode. In terms of network speed, I feel vultr is better connected(faster to EU) and offers better throughput out of the box 1gbs outbound on their lowest tier box. Ramnode has some very interesting results, I'm not sure what to make of it yet. Even when I tested their disk speed they were clocking at 1.1 GBs(vs 500/600MBs for vultr/linode). I'd be curios to see how ramnode perform with a website that has a lot of I/O operations.
     
    Last edited: Dec 1, 2016
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  7. Dec 1, 2016 #7
    eva2000

    eva2000 Administrator Staff Member

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    which ramnode location and vps plan ? which linode location / plan ? which vultr location/plan ?
     
  8. Dec 1, 2016 #8
    Speed Addict

    Speed Addict New Member

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    I added the plans and locations. Some people may wonder why I am comparing a linode 4gb plan with a 2gb plan. The answer is, I am comparing plans based on price point not hardware specs which I feel is fair. Also, I made a typo in one of the linode results, fixed that.
     
  9. Dec 1, 2016 #9
    eva2000

    eva2000 Administrator Staff Member

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    Nginx 1.13.x
    MariaDB 5.5
    Yeah linode with extra ram beats every other competitor in terms of price point :)
     
  10. Sep 23, 2017 #10
    rc112

    rc112 New Member

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    Hi Finally this post solved my question. As adviced, I installed Wordpress with CDNkey cache. But what other cache on the menu should I install (I only install WP after install centminmod) Thanks.
    Code:
         Centmin Mod Menu 123.09beta01 centminmod.com     
--------------------------------------------------------
1).  Centmin Install
2).  Add Nginx vhost domain
3).  NSD setup domain name DNS
4).  Nginx Upgrade / Downgrade
5).  PHP Upgrade / Downgrade
6).  XCache Re-install
7).  APC Cache Re-install
8).  XCache Install
9).  APC Cache Install
10). Memcached Server Re-install
11). MariaDB MySQL Upgrade & Management
12). Zend OpCache Install/Re-install
13). Install/Reinstall Redis PHP Extension
14). SELinux disable
15). Install/Reinstall ImagicK PHP Extension
16). Change SSHD Port Number
17). Multi-thread compression: pigz,pbzip2,lbzip2...
18). Suhosin PHP Extension install
19). Install FFMPEG and FFMPEG PHP Extension
20). NSD Install/Re-Install
21). Update - Nginx + PHP-FPM + Siege
22). Add Wordpress Nginx vhost + Cache Plugin
23). Update Centmin Mod Code Base
24). Exit
     
  11. Sep 23, 2017 #11
    eva2000

    eva2000 Administrator Staff Member

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    other caches you don't need to worry about, PHP defaults to Zend Opcache caching instead of APC/Xcache for best PHP opcode caching performance.
     
  12. Sep 23, 2017 #12
    rc112

    rc112 New Member

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    Hi @eva2000 Thank you so much. What about Redis on server and Redis plugin on wordpres? I read one post on the forum that it can work together with wp super cache? Thanks so much for your hard work really!
     
  13. Sep 23, 2017 #13
    eva2000

    eva2000 Administrator Staff Member

    30,193
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    Nginx 1.13.x
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    Centmin Mod has a centmin.sh menu option 22 for Wordpress auto installer + WP Super Cache out of the box for 123.08stable or in 123.09beta01 has selection of WP Super Cache, KeyCDN Cache Enabler or Redis Nginx level caching.

    Cache Enable Alternative to WP Super Cache Plugin



    A similar Wordpress plugin created by KeyCDN folks called, Cache Enabler. It's Nginx configuration options are virtually identical to WP Super Cache for nginx vhost configuration level. The difference is the PHP coded side of Cache Enabler WP Plugin seems alot easier to setup and less finicky than WP Super Cache when initially enabling it and the options are more simplified. As such for testing purposes, I have added optional support for Cache Enabler in centmin.sh menu option 22 ONLY for Centmin Mod 123.09beta01 builds (not 123.08 stable). For 123.08 stable Centmin Mod, to switch from WP Super Cache to Cache Enabler, follow the manual instructions outlined here instead.

    Redis Nginx Level Cache + Redis Object Cache WP Plugin



    However, there's an even more performant option alternative to WP Super Cache and Cache Enabler. That is provided you first have Redis server installed and configured. The Redis Nginx level cache will be much faster than WP Super Cache or Cache Enabler. From testing with the Redis caching combination, it is at least 45% faster than WP Super Cache (Cache Enabler would be same as WP Super Cache as the underlying Nginx configuration level setup is virtually the same for setting up static page level caching). But Redis at Nginx level caching can be tricker for some 3rd party WP plugins. So safest is KeyCDN Cache Enabler.
     
  14. Sep 23, 2017 #14
    rc112

    rc112 New Member

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    Hi @eva2000 Thank you so much for your prompt rely! It is all clear now. In the past few days, I am studying your docs and forum posts and see what else I can do to optimise my wordpress/ woocommerce site . I really like it. Thank you.
     
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