Mastering The Faster Web with PHP, MySQL, and JavaScript电子书

Title Page

Copyright and Credits

Mastering The Faster Web with PHP, MySQL, and JavaScript

Dedication

Packt Upsell

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PacktPub.com

Foreword

Contributors

About the author

About the reviewers

Packt is searching for authors like you

Preface

Who this book is for

What this book covers

To get the most out of this book

Download the example code files

Conventions used

Get in touch

Reviews

Faster Web – Getting Started

What is the Faster Web?

The Faster Web and performance

Measuring the Faster Web

Before Measuring

Benchmark testing and profiling

Practical prerequisites

Understanding Apache Bench (AB)

Understanding Siege

Installing and configuring useful tools

Profiling PHP – xdebug Installation and Configuration

SQL – Speed Testing

JavaScript – Developer Tools

Summary

References

Continuous Profiling and Monitoring

What is Blackfire.io?

Installing and configuring Blackfire.io

Profiling manually with Blackfire.io

Performance testing with Blackfire.io

Monitoring performance with the TICK Stack

Summary

References

Harnessing the Power of PHP 7 Data Structures and Functions

PHP 7 optimizations

Strict typing

Immutable and packed arrays

Memory allocation of integers and floats

String interpolation and concatenation

Parameter references

Identifying more possible optimizations

Functional programming and memoization

Summary

Reference

Envisioning the Future with Asynchronous PHP

Asynchronous non-blocking I/O calls

Multithreading with pthreads

Using the ReactPHP library

Summary

Measuring and Optimizing Database Performance

SQL query performance

The structure of indexes

The execution plan

Basic query optimization

The performance schema and advanced query optimization

Advanced benchmarking tools

DBT2

SysBench

Summary

Querying a Modern SQL Database Efficiently

Modern SQL

Definition

WITH and WITH RECURSIVE

CASE

OVER and PARTITION BY

OVER AND ORDER BY

GROUPING SETS

JSON clauses and functions

FILTER

LATERAL queries

Summary

JavaScript and Danger-Driven Development

The global object and local variables

Avoiding global variables

Evaluating local variables

Avoiding bad idioms and keeping an eye on the very bad parts

Bad idioms

Bad constructs – the with statement

Bad constructs – the eval statement

Bad constructs – the try-catch-finally construct

Avoiding inefficient loops

Linters and strict mode

Using the DOM efficiently

Modifying the document tree

Updating an invisible element

Making style changes

Searching for nodes

Inspecting a large number of nodes

Managing references from one document to another

Caching DOM values

Structuring and loading a JavaScript application

Minimizing costly operations

Cleaning up, minifying, and compressing resources

Loading page resources

Caching page resources

Summary

Functional JavaScript

Simplifying functions

Functional programming principles

Functions as first-class citizens

Dealing with side effects

Immutability

Functional programming techniques

Map

Filter

Reduce

Tail-call optimization

What is TCO?

How TCO works

Recognizing tail-calls

More upcoming JavaScript features

Async functions

Async generators and for-await-of loops

Pipeline operator

Partial application

Summary

Boosting a Web Server's Performance

MOD_SPDY and HTTP/2

Multiplexed and prioritized streams

Server pushing

Header compression

HTTP/2

PHP-FPM and OPCache

PHP-FPM

Zend OPcache

ESI and Varnish Cache

Edge Side Includes (ESI)

Varnish Cache

Client-side caching

Browser caching

Content Delivery Networks (CDNs)

Other Faster Web tools

Summary

References

Going Beyond Performance

Clocked and perceived time

Speed perception

Reasonable delay and response times

UI design principles and patterns

"Beyond Performance" tools

Summary

References

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