Year: 2025

In-Depth Explanation of the HTTP Protocol: The Cornerstone of Internet Communication

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In-Depth Explanation of the HTTP Protocol: The Cornerstone of Internet Communication

1. Basic Concepts of the HTTP Protocol Definition: The HyperText Transfer Protocol (HTTP) is an application layer protocol used for distributed, collaborative, and hypermedia information systems, serving as the foundation for data communication on the Internet.Core Function: It specifies the format and rules for data transmission between clients (such as browsers) and servers, enabling requests … Read more

HTTP/3 vs HTTP/2: A Performance Revolution! An In-Depth Analysis Before Upgrading

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HTTP/3 vs HTTP/2: A Performance Revolution! An In-Depth Analysis Before Upgrading

In today’s internet era, website performance is the lifeblood of user experience and SEO rankings! The HTTP protocol, as the core of web communication, has made a remarkable leap from HTTP/1.1 to HTTP/2, but does the emergence of HTTP/3 truly bring about a revolutionary improvement? This article will delve into the performance differences between HTTP/3 … Read more

Do You Really Understand HTTP? A Comprehensive Guide to Web Communication Principles!

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Do You Really Understand HTTP? A Comprehensive Guide to Web Communication Principles!

Click the blue “Most Programmer” to follow me! Add a “star“, every day at 18:03 to learn technology together! Web Technology and HTTP Protocol Table of Contents Domain Name 1. Concept of Domain Name 2. Structure of Domain Name 3. Types of Domain Names 1. Classified by Hierarchy 2. Classified by Purpose 3. Special Types … Read more

Frontend Performance Optimization: HTTP Caching Mechanism

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Frontend Performance Optimization: HTTP Caching Mechanism

Introduction When a user enters a URL in the browser, the server returns resource files such as HTML, JS, CSS, and images. The process from initiating the request to rendering the page involves CPU computation, page rendering, and network requests. Among these, CPU computation and page rendering can usually be completed quickly, while the speed … Read more

Detailed Explanation of the ESP8266-01S Module and Practical MQTT Firmware Programming

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Detailed Explanation of the ESP8266-01S Module and Practical MQTT Firmware Programming

Introduction This content is an important chapter in the STM32 FreeRTOS smart home project. Through this content, you will master IoT applications based on the ESP8266 Wi-Fi module with STM32. The cloud platform used in this session is Alibaba Cloud. This lays the foundation for subsequent hardware control through an app designed with Android Studio. … Read more

TCP/IP Protocol Stack Programming in C Language

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TCP/IP Protocol Stack Programming in C Language

In modern network communication, the TCP/IP protocol stack is one of the most important foundations. It provides a standardized method for communication between computers. In this article, we will delve into how to perform TCP/IP programming using the C language, demonstrating basic client and server implementations through example code. 1. Overview of TCP/IP Protocol Stack … Read more

Makefile: Why Modifying Only the .h Header File Doesn’t Work During Compilation?

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Makefile: Why Modifying Only the .h Header File Doesn't Work During Compilation?

Have you ever encountered a situation like this: A .c file includes another .h header file, using a Makefile to build (compile) the application. The first time you compile and execute, everything works fine! However, if you modify the .h header file and try to compile again, issues arise: The expected execution flow is: make … Read more

GCC Certification and Flammability Testing for Small Carpets on Amazon TEMU US

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GCC Certification and Flammability Testing for Small Carpets on Amazon TEMU US

With the rise of cross-border e-commerce platforms like Amazon and Tume, products must meet a series of strict standards to be listed for sale. Recently, the Tume platform requires carpet products to provide CPC/GCC certification, and lacking this certification may lead to removal from the platform. To obtain CPC/GCC certification, carpet products must pass the … Read more

CPC/GCC Certification Process for Adult and Children’s Carpets on Amazon

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CPC/GCC Certification Process for Adult and Children's Carpets on Amazon

To sell carpets on the Amazon platform, the required certifications mainly include CPC and GCC certifications. Specifically, carpet products must pass the flammability tests of 16 CFR 1630 or 16 CFR 1631. Large carpets are subject to the 16 CFR 1630 standard, while small carpets are subject to the 16 CFR 1631 standard. This is … Read more

Amazon Children’s Bicycle Testing: GCC Certification

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Amazon Children's Bicycle Testing: GCC Certification

Attention all sellers of children’s bicycles on Amazon US! Today, let’s discuss the extremely important matters regarding GCC testing standards and application timelines. 📌 What is GCC? GCC stands for General Conformity Certificate. In simple terms, it acts as a “pass” for children’s bicycles to enter the US market. According to the Consumer Product Safety … Read more