detect webp support

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Front-end performance optimization (10)

Picture optimizationImages usually occupy the vast majority of downloaded bytes on a webpage, and often occupy a large amount of visual space. As a result, optimizing a picture can often minimize the number of bytes downloaded by the website and

160830, How to use the latest technology to improve the speed and performance of Web pages

We have recently updated our website and it has been completely checked and accepted by DESIGN. But in fact, as a software developer, we focus on a lot of technology-related bits and Pieces. Our goal is to control performance, pay attention to

2017 front-end Performance tuning checklist

Https://github.com/Findow-team/Blog/issues/11?utm_source=tuicool&utm_medium=referral2017 front-end Performance tuning checklistHave you started using progressive start? Have you already used tree-shaking and code-splitting two tools in react and

[Android Beauty] Those you don't know apk slimming, make your apk smaller

[Android's Beauty] APK slimming, reduce the size of the APK Keep your apk files as small as possible, and you should remove unused code and resource files. So this section describes how to make the apk smaller, better performance, the

How JavaScript works (JavaScript works) (iii) memory management and how to handle common memory leak problems in class 4

Personal Summary:1. Memory recovery mechanism-tag clear algorithm: Starting from the root (global variable) to detect descendant variables, any root variables can not reach the variable will be marked as memory garbage.This is the third chapter of

Introduction to open-source projects used by Chrome

Enter "about: credits" in the chrome address bar to view the open source project used by Chrome. There is also an article about the open source project of chrome: code reuse in Google Chrome browser. You can refer to it.   David M. Gay's floating

Some face questions about CSS

This article is mainly for you to share a question about CSS, with a very good reference value, I hope to be helpful to everyone. Follow the small series together to see it. 1 problems with upper and lower margin coincident Wraps a layer of

50 common face questions about CSS3

1 Introduction to the standard CSS box model? What's the difference between a box model with a low version ie?Standard box Model: width = width of contents (content) + border + padding + marginLow version IE box model: width = content width (content+

GitHub Top 100 Android Open Source Library

1. React NativeThis is the JavaScript-based open source framework React Native, launched by Facebook at the React.js Conf 2015 conference, which combines the advantages of WEB applications and Native applications, and can be developed using

45-Channel CSS Basic questions (with answer)

1, introduce the standard CSS box model? What's the difference between a box model with a low version ie?Standard box Model: width = width of contents (content) + border + padding + marginLow version IE box model: width = content width

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