Course Introduction：Understanding Prefetch Files: A Comprehensive Guide This guide explores prefetch files, addressing common questions about their purpose, safe deletion, and disabling their creation. Let's delve into the details. What are Prefetch Files? Prefetch fil
2025-04-05 comment 0 378
Course Introduction：Troubleshoot Inaccessible Prefetch Folder: Three Effective Solutions This guide provides three solutions to resolve issues accessing the Prefetch folder, a system directory containing crucial boot and application launch data. Inability to access thi
2025-04-03 comment 0 379
Course Introduction：preload is used for resources urgently needed on the current page, such as fonts, CSS, JS, etc., to load key resources in advance; 2. Prefetch is used to preload resources that may be used in the future, such as subsequent page scripts, which will only be loaded when the browser is idle; 3. Pay attention to priority and scenarios when using it to avoid abuse affecting performance. Correctly distinguishing the uses of preload and prefetch, and combining development strategies such as lazy routing, can effectively optimize web page loading speed.
2025-07-01 comment 0 734
Course Introduction：rel="prefetch" and rel="preload" are two preload methods to optimize web page performance, but the applicable scenarios are different. 1. Prefetch is used to predict the resources that users will access in the future. It has low priority and is executed after the current page is loaded. It is suitable for resources loading across pages. 2. Preload is used for key resources on the current page, with high priority. It starts loading during HTML parsing. As attributes and types are required, suitable for fonts, key CSS, etc.; 3. Use suggestions: prefetch is used for the next page resources, and preload is used for key resources on the current page to avoid abuse affecting the loading speed; 4. Note: prelo
2025-07-11 comment 0 934
Course Introduction：The article discusses preconnect and dns-prefetch resource hints used to optimize website loading speeds by reducing latency. It explains their functionality, benefits, and how they can be used together for better performance.
2025-03-26 comment 0 391
Course Elementary 13766
Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.
Course Elementary 82276
Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).
Course Elementary 13141
Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.
Course Elementary 24589
Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.
Course Elementary 27445
Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.
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