Setting up the ideal WordPress Web Server: from zero to hero!

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Setting up the ideal WordPress Web Server: from zero to hero! OR: Taking care of the bigger pains of a default WordPress installation. George Gkouvousis, 8web Interactive

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GEORGE GKOUVOUSIS George Gkouvousis @ggloveswp [email protected] www.8web.gr • Technical Analyst (ICT) degree / DevOps engineer • Coordinating WordPress projects at 8web • Scaling more than 100 WordPress Installations per year • Optimizing a hundred more

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PRESENTATION’S INFORMATION CHAPTER 3 Applying Solutions CHAPTER 2 Understanding & Analyzing needs CHAPTER 1 Common Stack problems Assumptions: • LAMP/LNMP stack installed • Sysadmin experience level

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• ENVIRONMENT RESTRICTIONS • RESOURCES RESTRICTIONS • OVERSELLING FACTOR RESOURCES LEVEL • OPTIMUM SOFTWARE NOT APPLIED • NOT ACTIVELY MAINTAINED TECHNOLOGY LEVEL 1. COMMON STACK PROBLEMS CMS-LEVEL ISSUES • PHP BOTTLENECK • MySQL BOTTLENECKS

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2. UNDERSTANDING NEEDS 1. You type mydomain.com into the address bar of your browser. 2. The browser checks the cache for a DNS record to find the corresponding IP address of it 3. Browser initiates a TCP connection with the server. 4. The browser sends an HTTP request to the web server. 5. The server handles the request and sends back a response. 6. The server sends out an HTTP response and the browser displays the HTML output. WHAT HAPPENS WHEN YOU CALL A WordPress WEBSITE URL ?

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2. ANALYZING NEEDS ZERO STATE

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2. ANALYZING NEEDS !! WordPress executes hundreds of queries for every URL visit !!

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2. UNDERSTANDING NEEDS a FASTER RESPONSE means: • Faster loading speed • Better User Experience • Better Rankings • Less Resources • Happier Visitors • Happier Webmaster J GOLDEN rule: THE FASTER, THE BETTER ACTUAL NEED = FASTER RESPONSES

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3. APPLYING SOLUTIONS

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3. APPLYING SOLUTIONS APPLY HTTP CACHE & AVOID REGENERATES PRIORITY: SERVER-LAYER SOLUTIONS SECONDARY OPTION: PLUGINS PAIN #1 > PHP APPLY OBJECT CACHE & AVOID MySQL LOAD FOR IDENTICAL QUERIES PRIORITY: PERSISTENT CACHE PAIN #2 > DATABASE FASTER WEB SERVER (NGINX) LATEST PHP VERSION + OPCACHE UP-TO-DATE MySQL VERSION HTTP/2 PROTOCOL DOM IMPROVEMENT EXTRA SIDE-IMPROVEMENTS

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George Gkouvousis, 8web Interactive Questions? Thank you for attending! Slides/Questions/Info: ggloveswp georgegkouvousis www.8web.gr [email protected]