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Kuaishou Tech
Kuaishou Tech
Jul 9, 2025 · Artificial Intelligence

How ResULIC Achieves Ultra‑Low‑Rate Image Compression with Semantic Residual Coding and Diffusion

The paper introduces ResULIC, a residual‑guided ultra‑low‑bitrate image compression framework that combines semantic residual coding, a compression‑aware diffusion model, and perceptual fidelity optimization to dramatically improve visual quality and outperform prior diffusion‑based methods on standard benchmarks.

ResULICdiffusion modelimage compression
0 likes · 12 min read
How ResULIC Achieves Ultra‑Low‑Rate Image Compression with Semantic Residual Coding and Diffusion
Zhihu Tech Column
Zhihu Tech Column
Jun 25, 2025 · Frontend Development

How Zhihu’s Growth Team Supercharged Activity Page Performance: From Diagnosis to Real‑World Gains

This article reveals how Zhihu’s growth engineering team dissected activity‑page rendering bottlenecks, applied front‑end performance techniques such as early resource loading, image compression, pre‑rendering, and metric‑driven optimization (FCP, CLS, INP), and ultimately boosted page reach and conversion rates dramatically.

GrowthWeb Optimizationfrontend
0 likes · 23 min read
How Zhihu’s Growth Team Supercharged Activity Page Performance: From Diagnosis to Real‑World Gains
Liangxu Linux
Liangxu Linux
Nov 20, 2024 · Fundamentals

Master libjpeg: Understanding JPEG Compression and Cross‑Compiling on Ubuntu 16.04

libjpeg, the open‑source C library from the Independent JPEG Group, provides comprehensive JPEG encoding and decoding capabilities, explains JPEG format fundamentals, details its modular architecture, demonstrates encoding/decoding code examples, and guides cross‑compiling on Ubuntu 16.04 with configuration and make steps.

C libraryJPEGcross-compilation
0 likes · 8 min read
Master libjpeg: Understanding JPEG Compression and Cross‑Compiling on Ubuntu 16.04
Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Apr 16, 2024 · Mobile Development

Optimizing Android resources.arsc: Deduplication and Image Compression via a Custom Gradle Plugin

This article explains how Android's resources.arsc file is generated, identifies duplication and size issues in multi‑module projects, and presents a Gradle‑based solution that inserts a custom task after processReleaseResources to deduplicate resources and compress images, reducing the final APK size.

AndroidGradleimage compression
0 likes · 11 min read
Optimizing Android resources.arsc: Deduplication and Image Compression via a Custom Gradle Plugin
21CTO
21CTO
Apr 6, 2024 · Fundamentals

How Google’s Jpegli Library Boosts JPEG Compression Efficiency

Google’s newly released Jpegli library offers a backward‑compatible JPEG encoder with up to 35% better compression, adaptive quantization, 10‑bit support and speed comparable to traditional codecs, promising faster web pages and reduced bandwidth without sacrificing image quality.

GoogleJPEGJpegli
0 likes · 6 min read
How Google’s Jpegli Library Boosts JPEG Compression Efficiency
Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Feb 2, 2024 · Mobile Development

Android APK Size Optimization: Removing Duplicate Resources and Image Compression with a Gradle Plugin

This article explains how the Android resources.arsc file is generated, identifies the problem of duplicate and uncompressed image resources in multi‑module projects, and presents a Gradle‑based solution that inserts a custom task after processReleaseResources to deduplicate resources, compress images using pngquant, guetzli and cwebp, and repack the .ap_ files, resulting in significant APK size reduction.

APKAndroidGradle Plugin
0 likes · 10 min read
Android APK Size Optimization: Removing Duplicate Resources and Image Compression with a Gradle Plugin
DaTaobao Tech
DaTaobao Tech
Dec 15, 2023 · Frontend Development

How Optimized Image Processing Boosted Double Eleven Web Performance

This article explains the image‑processing workflow used for the Double Eleven event, covering format selection, CDN scaling and quality parameters, WebP conversion, practical URL suffix rules, and additional front‑end tips that together dramatically improve page load speed and user experience.

CDNResponsive Imagesfrontend development
0 likes · 10 min read
How Optimized Image Processing Boosted Double Eleven Web Performance
Baidu Geek Talk
Baidu Geek Talk
Jul 31, 2023 · Mobile Development

Optimizing iOS App Bundle Size with HEIC Images and Unused Class Detection

The guide shows how to shrink a Baidu iOS app by converting PNGs to HEIC within Asset Catalogs—leveraging Xcode’s actool for compression, avoiding pngquant‑induced alpha issues, and employing combined static LinkMap/Mach‑O parsing and runtime isa‑flag checks to prune never‑instantiated classes.

Asset CatalogHEICUnused Class Detection
0 likes · 25 min read
Optimizing iOS App Bundle Size with HEIC Images and Unused Class Detection
DeWu Technology
DeWu Technology
Jul 19, 2023 · Mobile Development

Resource Optimization Practices in DeWu App: Plugins, Image Compression, Deduplication, and ARSC Shrinking

DeWu reduces its APK size by removing unused plugin resources, compressing images with WebP, Guetzli, PNGQuant and Gifsicle, deduplicating and obfuscating ARSC entries, applying 7‑zip compression, delivering large assets dynamically, and continuously cleaning unused resources through compile‑time checks and runtime scanning.

APKARSCAndroid
0 likes · 15 min read
Resource Optimization Practices in DeWu App: Plugins, Image Compression, Deduplication, and ARSC Shrinking
HomeTech
HomeTech
May 24, 2023 · Frontend Development

Understanding AVIF Image Format: Benefits, Comparison, Conversion Tools, and Integration in Web Projects

This article explains the AVIF image format, its superior compression and quality compared to JPEG and WebP, provides a detailed comparison of image formats, offers conversion tools and command‑line examples, and shows how to integrate AVIF on the client, server, and via JavaScript polyfills for modern web development.

AVIFNode.jsService Worker
0 likes · 13 min read
Understanding AVIF Image Format: Benefits, Comparison, Conversion Tools, and Integration in Web Projects
Baidu App Technology
Baidu App Technology
Apr 19, 2023 · Mobile Development

Baidu APP iOS Package Size Optimization: Image Optimization Techniques

The article details Baidu APP iOS package size reduction by identifying and removing unused images, converting resources to Asset Catalogs, and leveraging HEIC and appropriate compression, achieving a 9.75 MB saving while outlining scripts, regex extraction methods, and best‑practice recommendations.

Asset CatalogBaidu appHEIC
0 likes · 18 min read
Baidu APP iOS Package Size Optimization: Image Optimization Techniques
Sohu Tech Products
Sohu Tech Products
Mar 8, 2023 · Mobile Development

Android Image Compression Techniques and Luban Algorithm Analysis

This article provides a comprehensive overview of Android image compression, covering bitmap fundamentals, ARGB color model, size calculations, quality and dimension compression methods, the Luban algorithm, its implementation details, performance considerations, and related JPEG Huffman coding techniques.

AndroidBitmapJPEG
0 likes · 27 min read
Android Image Compression Techniques and Luban Algorithm Analysis
Sohu Tech Products
Sohu Tech Products
Sep 28, 2022 · Mobile Development

Understanding Android Image Compression: Fundamentals, Algorithms, and Luban Implementation

This article explains Android image compression fundamentals—including ARGB, bitmap memory, bit‑depth vs. colour‑depth, quality and sampling compression methods—then details the Luban algorithm, its shortcomings, proposed improvements, and the underlying Skia/Huffman/JPEG native implementation with code examples.

AndroidBitmapHuffman
0 likes · 27 min read
Understanding Android Image Compression: Fundamentals, Algorithms, and Luban Implementation
IT Services Circle
IT Services Circle
Jul 12, 2022 · Fundamentals

The Discrete Cosine Transform: History, Theory, and Its Impact on Image and Video Compression

Originating from three largely unknown Indian engineers in the early 1970s, the Discrete Cosine Transform (DCT) became the cornerstone of modern image and video compression standards such as JPEG and MPEG, enabling efficient lossy compression by converting spatial data to frequency components and exploiting human visual perception.

Discrete Cosine TransformJPEGSignal Processing
0 likes · 11 min read
The Discrete Cosine Transform: History, Theory, and Its Impact on Image and Video Compression
vivo Internet Technology
vivo Internet Technology
Jun 29, 2022 · Big Data

Lossless Image Compression Overview and Lepton Optimization for Large‑Scale Storage

The article explains JPEG’s lossy fundamentals, introduces Lepton’s lossless layer and its optimizations—such as arithmetic coding and multithreaded Huffman switching—and describes how vivo’s hybrid physical‑server and Kubernetes deployment achieves roughly 22 % storage reduction across petabytes of JPEG images despite high CPU demands.

Huffman codingJPEGLepton
0 likes · 13 min read
Lossless Image Compression Overview and Lepton Optimization for Large‑Scale Storage
政采云技术
政采云技术
May 17, 2022 · Frontend Development

Performance Optimization: Image Compression, Loading Strategies, and Format Selection

This article explains why image resources dominate front‑end performance, describes how binary depth relates to color representation, compares common image formats (JPEG, PNG‑8/24, SVG, WebP, Base64), and provides practical techniques such as compression tools, CDN/OSS deployment, and lazy‑loading code to dramatically improve page load speed.

CDNOSSWeb Performance
0 likes · 12 min read
Performance Optimization: Image Compression, Loading Strategies, and Format Selection
Java Backend Technology
Java Backend Technology
Jan 12, 2022 · Fundamentals

How to Shrink a 1 MB Image to 100 KB with Java and OpenCV

Learn step‑by‑step how to compress a 1 MB image down to under 100 KB using Java’s ImageIO API and OpenCV, covering the theory of image compression, code snippets for reading, configuring compression parameters, and performance comparisons between native JDK and OpenCV solutions.

ImageIOJavaOpenCV
0 likes · 10 min read
How to Shrink a 1 MB Image to 100 KB with Java and OpenCV
TAL Education Technology
TAL Education Technology
Dec 2, 2021 · Frontend Development

Website Performance Optimization: Lazy Loading, CDN, Image Formats, Security Headers, and Bundle Reduction

This article details a comprehensive front‑end performance optimization project that includes lazy loading, CDN deployment, domain consolidation, image format conversion with AVIF/webp, security‑header hardening, and bundle size reduction by replacing large Moment.js dependencies with Luxon, all validated through WebPageTest and Lighthouse metrics.

CDNWeb Optimizationimage compression
0 likes · 8 min read
Website Performance Optimization: Lazy Loading, CDN, Image Formats, Security Headers, and Bundle Reduction
WeDoctor Frontend Technology
WeDoctor Frontend Technology
Nov 4, 2020 · Frontend Development

Is AVIF the New King of Web Image Compression? A Deep Dive

This article explores the AVIF image format—derived from AV1 video—comparing its lossy and lossless compression performance against JPEG, WebP, and PNG across various test images, discussing acceptable quality thresholds, encoding/decoding times, tooling, and practical recommendations for web developers.

AVIFJPEGfrontend
0 likes · 18 min read
Is AVIF the New King of Web Image Compression? A Deep Dive
Liangxu Linux
Liangxu Linux
Aug 31, 2020 · Fundamentals

Understanding PNG: Types, Data Structure, and Compression Mechanics

This article explains the PNG image format, covering its full name, lossless compression, size advantages, transparency support, the three main PNG types, the file’s chunk‑based data structure, hexadecimal header details, factors that affect compression efficiency, and the two‑stage prediction‑and‑deflate compression process.

DEFLATEData StructureFile Format
0 likes · 10 min read
Understanding PNG: Types, Data Structure, and Compression Mechanics
Sohu Tech Products
Sohu Tech Products
Jul 15, 2020 · Frontend Development

Understanding and Using the Blob Web API in JavaScript

This article explains what a Blob is, introduces the Blob Web API with its constructor, properties, and methods, and demonstrates practical scenarios such as chunked uploads, downloading data, creating Blob URLs, converting to Base64, image compression, PDF generation, and compares Blob with ArrayBuffer, providing complete code examples for each use case.

Base64BlobFile
0 likes · 20 min read
Understanding and Using the Blob Web API in JavaScript
Xueersi Online School Tech Team
Xueersi Online School Tech Team
May 15, 2020 · Mobile Development

Optimizing iOS App Resources: Classification, Removal, Isolation, and Automated Image Compression

This article explains how to analyze and reduce the size of iOS .ipa packages by classifying resources, using LSUnusedResources to identify unused files, isolating business‑line assets via podspec subspecs, and automating image compression with tools like ImageOptim, TinyPNG and pre‑commit Git hooks.

Git HooksResource OptimizationiOS
0 likes · 9 min read
Optimizing iOS App Resources: Classification, Removal, Isolation, and Automated Image Compression
政采云技术
政采云技术
Apr 26, 2020 · Frontend Development

JavaScript Image Compression Using Canvas and Vue

This article provides a step‑by‑step tutorial on implementing client‑side image compression in JavaScript with the Canvas API, including a complete Vue component, detailed API explanations, handling of file input, canvas drawing, base64 conversion, and cross‑browser download techniques.

Canvasimage compression
0 likes · 10 min read
JavaScript Image Compression Using Canvas and Vue
Alibaba Cloud Developer
Alibaba Cloud Developer
Mar 10, 2020 · Artificial Intelligence

Can Frequency‑Domain Learning Boost Image Inference Efficiency?

This article presents a system‑level approach that performs deep‑learning inference directly on JPEG frequency components, uses a gating mechanism to select important DCT coefficients, and demonstrates higher accuracy with far lower bandwidth for image classification and instance segmentation tasks.

Bandwidth ReductionComputer VisionDeep Learning
0 likes · 22 min read
Can Frequency‑Domain Learning Boost Image Inference Efficiency?
JD Retail Technology
JD Retail Technology
Dec 18, 2019 · Mobile Development

APK Resource Analysis and Optimization Using Python

This article explains how to use Python to analyze Android APK packages, extract basic statistics, identify optimizable resources such as oversized images, duplicate files, and unused assets, and provide data‑driven guidance for reducing APK size and improving distribution efficiency.

APKDEXMobile Development
0 likes · 22 min read
APK Resource Analysis and Optimization Using Python
Alibaba Cloud Developer
Alibaba Cloud Developer
Aug 22, 2019 · Artificial Intelligence

How Alibaba Engineers Shrank Image Features from 120KB to 13KB and Cut Euclidean Distance to 9µs

This article details how Alibaba's engineers reduced per‑image feature size from 120 KB to an average of 13 KB and accelerated Euclidean distance calculations from 50 µs to 9 µs through bitmap, offset, and duplicate‑value compression techniques, enabling efficient large‑scale image retrieval.

Performance Optimizationeuclidean distancefeature vectors
0 likes · 15 min read
How Alibaba Engineers Shrank Image Features from 120KB to 13KB and Cut Euclidean Distance to 9µs
Meitu Technology
Meitu Technology
Jul 9, 2019 · Backend Development

Performance Optimization Practices in Meitu XiuXiu Community

The Meitu XiuXiu community tackled rapid user‑growth‑induced performance bottlenecks by deploying end‑to‑end monitoring (client Hubble and RED‑based server metrics), full‑link load testing, DNS and image‑delivery optimizations, and server‑side tuning such as bias‑locking removal and JIT warm‑up, emphasizing user‑experience and cross‑team collaboration.

BackendDNS OptimizationPerformance Optimization
0 likes · 25 min read
Performance Optimization Practices in Meitu XiuXiu Community
Tencent Cloud Developer
Tencent Cloud Developer
Feb 25, 2019 · Backend Development

Architecture Overview of QQ Album: Storage, Indexing, Compression, and Global Distribution

QQ Album, storing over 2 trillion images across 300 PB, uses a distributed KV store, high‑performance compression (WebP, sharpP), regional “parks” with synchronized indexes, multi‑region disaster recovery, and a nationwide CDN to deliver low‑latency uploads and downloads for billions of daily user interactions.

KV StoreQQ Albumcdn acceleration
0 likes · 7 min read
Architecture Overview of QQ Album: Storage, Indexing, Compression, and Global Distribution
Efficient Ops
Efficient Ops
Apr 25, 2018 · Operations

How Tencent Cut Over $1B in Bandwidth Costs with Smart Image & Video Compression

This article shares Tencent SNG's practical experience in bandwidth cost optimization, detailing how advanced image and video compression techniques, adaptive resolution, AI‑driven super‑resolution, and efficient transcoding pipelines reduced over a billion yuan in cash flow while preserving user experience and product quality.

AICost reductionOperations
0 likes · 24 min read
How Tencent Cut Over $1B in Bandwidth Costs with Smart Image & Video Compression
21CTO
21CTO
Jan 29, 2018 · Fundamentals

How Tencent Cut Hundreds of Gigabytes of Bandwidth with Advanced Image Compression

This article reviews the evolution of image formats such as JPEG, WebP, HEVC, and Tencent's proprietary WXAM and SHARP, explains psychovisual JPEG optimization with Guetzli, details GPU‑accelerated performance tweaks, and shows how these techniques saved terabytes of bandwidth and reduced user download latency across Tencent's massive image platform.

Bandwidth ReductionGPU AccelerationGuetzli
0 likes · 14 min read
How Tencent Cut Hundreds of Gigabytes of Bandwidth with Advanced Image Compression
Tencent Architect
Tencent Architect
Jan 27, 2018 · Fundamentals

Advances in Image Compression: From JPEG to WebP, HEVC, WXAM, SHARP, and Guetzli Optimizations at Tencent TPS

The article reviews recent developments in image compression formats such as JPEG, WebP, HEVC, and Tencent's proprietary WXAM/SHARP, explains Guetzli's perceptual encoding, details extensive GPU‑based performance optimizations, and demonstrates how these techniques dramatically reduce bandwidth usage in Tencent's massive image storage platform.

GPU AccelerationGuetzliJPEG
0 likes · 13 min read
Advances in Image Compression: From JPEG to WebP, HEVC, WXAM, SHARP, and Guetzli Optimizations at Tencent TPS
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Dec 11, 2017 · Operations

FPGA-Based High-Compression Image Encoding: Architecture, Optimization, and Performance Evaluation

This article describes a project that replaces CPU‑based image compression with an FPGA solution, detailing the system hierarchy, two‑phase development (function verification and performance boost), pipeline and frequency optimizations, software‑FPGA interaction, and a measured 25‑fold speedup over a 64‑core server.

FPGAHardware accelerationHigh Compression
0 likes · 6 min read
FPGA-Based High-Compression Image Encoding: Architecture, Optimization, and Performance Evaluation
21CTO
21CTO
Nov 30, 2017 · Frontend Development

5 Proven Tricks to Supercharge Your Website’s Speed

Learn five practical techniques—image optimization, minimizing HTTP requests, proper file placement, CSS/JS compression, and external linking—to dramatically improve website loading times and security, with actionable tips for both beginners and seasoned developers, plus WordPress-specific recommendations.

Frontend OptimizationHTTP requestsWordPress
0 likes · 4 min read
5 Proven Tricks to Supercharge Your Website’s Speed
Architecture Digest
Architecture Digest
Sep 12, 2017 · Cloud Computing

Elastic Computing Platform for Massive Image Compression and Multi‑Workload Services

The article describes how an elastic container‑based computing platform replaces tens of thousands of physical servers to deliver billions of daily image‑compression operations, while also supporting video transcoding, Spark jobs, and AI workloads through resource isolation, named services, dynamic scheduling, and load‑balancing techniques.

Dynamic ScalingResource Isolationcloud platform
0 likes · 8 min read
Elastic Computing Platform for Massive Image Compression and Multi‑Workload Services
21CTO
21CTO
Aug 19, 2017 · Cloud Computing

How Tencent’s Elastic Platform Powers Billions of Daily Image Compressions with 6K Containers

Tencent’s elastic computing platform replaces 24,000 physical servers with just 6,000 containers, delivering sustainable compute for billions of daily image compressions while also supporting video transcoding, Spark jobs, and AI workloads through dynamic resource isolation, named services, and intelligent scheduling.

cloud infrastructurecontainer orchestrationelastic computing
0 likes · 8 min read
How Tencent’s Elastic Platform Powers Billions of Daily Image Compressions with 6K Containers
21CTO
21CTO
Aug 5, 2017 · Operations

How QQ Album Stores 2 Trillion Photos with 300 PB and Near‑Zero Latency

QQ Album, China’s largest photo service with over 2 trillion images and 300 PB of storage, achieves massive scale through a layered architecture that combines MySQL indexing, a custom TFS‑based KV store, SSD‑optimized TSSD, aggressive compression, regional zones, CDN acceleration, and near‑upload strategies for low latency and high availability.

cdn accelerationcloud architectureimage compression
0 likes · 7 min read
How QQ Album Stores 2 Trillion Photos with 300 PB and Near‑Zero Latency
Tencent Music Tech Team
Tencent Music Tech Team
Jun 30, 2017 · Fundamentals

Understanding GIF Format, LZW Compression, and Color Quantization Techniques

The GIF format, introduced by CompuServe in 1987, uses LZW lossless compression and a block‑based file structure supporting 256‑color palettes, transparency, and animation, while efficient color‑quantization methods such as octree trees dramatically speed encoding compared to slower median‑cut algorithms without sacrificing visual quality.

GIFLZWPerformance Optimization
0 likes · 18 min read
Understanding GIF Format, LZW Compression, and Color Quantization Techniques
JD Retail Technology
JD Retail Technology
Jun 21, 2017 · Backend Development

From Open‑Source to Self‑Developed: JD.com’s One‑Month Migration of Hundreds of Millions of Images

The article describes how JD.com transitioned from open‑source tools to its own distributed file system JFS, completed a massive one‑month migration of billions of images, improved compression with Intel‑optimized pipelines and blind‑watermark technology, and outlines the ongoing scalability and security innovations.

Distributed File SystemImage storageblind_watermark
0 likes · 5 min read
From Open‑Source to Self‑Developed: JD.com’s One‑Month Migration of Hundreds of Millions of Images
21CTO
21CTO
Jun 13, 2017 · Frontend Development

Can Google’s Guetzli Slash Your Web Image Size Without Visible Quality Loss?

The article reviews Google’s Guetzli JPEG compressor, shares real‑world testing on a large high‑resolution image, discusses memory and CPU requirements, shows size reductions across quality settings, and offers practical advice for integrating it into web projects.

GuetzliJPEG optimizationfrontend performance
0 likes · 7 min read
Can Google’s Guetzli Slash Your Web Image Size Without Visible Quality Loss?
Architecture Digest
Architecture Digest
Jun 13, 2017 · Fundamentals

Testing Google’s Guetzli JPEG Compression: Performance, Memory Usage, and Practical Tips

Google’s Guetzli JPEG compressor, which prioritizes perceptually important details, can dramatically shrink image sizes but demands high memory and CPU time; the article details real‑world tests, quality‑vs‑size trade‑offs, memory requirements, installation tips, and practical recommendations for using Guetzli in web projects.

GuetzliJPEGWeb Optimization
0 likes · 6 min read
Testing Google’s Guetzli JPEG Compression: Performance, Memory Usage, and Practical Tips
High Availability Architecture
High Availability Architecture
May 23, 2017 · Fundamentals

Evaluation of Image Compression Formats and Algorithms: Guetzli, WebP, MozJPEG, and Libjpeg‑Turbo

The article presents a comprehensive evaluation of common image formats and compression algorithms—including Guetzli, WebP, MozJPEG, and Libjpeg‑Turbo—by comparing their compression ratios, quality metrics, encoding speed, and practical deployment considerations for large‑scale mobile services.

GuetzliJPEGPerformance Testing
0 likes · 18 min read
Evaluation of Image Compression Formats and Algorithms: Guetzli, WebP, MozJPEG, and Libjpeg‑Turbo
Meituan Technology Team
Meituan Technology Team
Apr 7, 2017 · Mobile Development

Techniques for Reducing Android APK Size in Meituan App

To shrink Meituan’s Android APK, developers can optimize the ZIP layout, enable ProGuard/R8 dex shrinking, inline R fields, convert images to WebP or VectorDrawable, disable redundant PNG crunching, activate shrinkResources, limit packaged languages, obfuscate resources with tools like AndResGuard, and eliminate duplicate or unused assets.

APK size reductionAndroidProGuard
0 likes · 18 min read
Techniques for Reducing Android APK Size in Meituan App
dbaplus Community
dbaplus Community
Apr 14, 2016 · Frontend Development

How Taobao Optimized Its Homepage Performance: Key Front‑End Strategies

The article examines the performance challenges of Taobao's personalized homepage—multiple data sources, numerous modules, and heavy image loads—and outlines concrete front‑end techniques such as critical‑module prioritization, lazy loading, lazy execution, image compression, caching, and easing animations to achieve faster first paint and smoother scrolling.

Performance OptimizationTaobaocaching
0 likes · 12 min read
How Taobao Optimized Its Homepage Performance: Key Front‑End Strategies
21CTO
21CTO
Dec 19, 2015 · Fundamentals

How Fourier Transform Powers Everything from MP3s to Space Exploration

The article explores the history and principle of the Fourier Transform, illustrating how this mathematical prism decomposes complex waveforms into simple sine components and underpins technologies such as audio compression, image JPEG, speech recognition, scientific imaging, and even space research.

Audio CompressionFourier TransformSignal Processing
0 likes · 10 min read
How Fourier Transform Powers Everything from MP3s to Space Exploration
Java High-Performance Architecture
Java High-Performance Architecture
Sep 9, 2015 · Frontend Development

Boost Web Performance: Compress Images with Tencent’s Zhitu Gulp Plugin

Zhitu, a Tencent front‑end tool, compresses PNG, JPEG, GIF images and automatically converts them to optimal formats like WebP; this guide shows how to manually upload images or integrate the gulp‑imageisux plugin into your build process to achieve significant size reductions while preserving visual quality.

Frontend OptimizationTencentgulp
0 likes · 3 min read
Boost Web Performance: Compress Images with Tencent’s Zhitu Gulp Plugin
Architect
Architect
Jul 20, 2015 · Backend Development

Weibo Image Storage Architecture and High‑Performance Image Processing Pipeline

The article describes Weibo's large‑scale cross‑IDC distributed image storage system, its upload and download workflows, the challenges of massive seasonal traffic spikes, and the custom pipeline and lightweight compression library designed to achieve strong consistency and low‑latency image delivery.

Backend ArchitectureImage storageWeibo
0 likes · 8 min read
Weibo Image Storage Architecture and High‑Performance Image Processing Pipeline