Low Level Design: Web Scraper Service
5 min read What Is a Web Scraper Service? A Web Scraper Service is the component responsible for fetching raw HTML from target […] Read article
System Design
System Design
Low Level Design: Wide-Column Store
6 min read What Is a Wide-Column Store? A wide-column store (also called a column-family store) organizes data in tables where rows can Read article
System Design
Low Level Design: QR Code Generator Service
5 min read What Is a QR Code Generator Service? A QR Code Generator Service accepts arbitrary data (URLs, vCards, plain text) and Read article
System Design
Low Level Design: Link Analytics Service
5 min read What Is a Link Analytics Service? A Link Analytics Service tracks every interaction with a shortened URL or QR code Read article
System Design
Low Level Design: Ad Targeting Service
4 min read What Is an Ad Targeting Service? An Ad Targeting Service is responsible for selecting the most relevant advertisements to show Read article
System Design
Low Level Design: Ad Auction System
4 min read What Is an Ad Auction System? An Ad Auction System determines which advertiser wins a given ad slot and how Read article
System Design
Low Level Design: Ad Delivery Service
5 min read What Is an Ad Delivery Service? The Ad Delivery Service is the final stage in the ad pipeline. Once the Read article
System Design
Low Level Design: Trust and Safety Platform
5 min read What Is a Trust and Safety Platform? A Trust and Safety (T&S) platform is the umbrella system that governs user Read article
System Design
Low Level Design: Real-Time Messaging Service
4 min read What Is a Real-Time Messaging Service? A real-time messaging service is the transport layer that moves data from one endpoint Read article
System Design
Low Level Design: Message Delivery Receipts Service
5 min read What Is a Message Delivery Receipts Service? A message delivery receipts service tracks the lifecycle of every message from send Read article
System Design
Low Level Design: Plan Management Service
4 min read What Is a Plan Management Service? A Plan Management Service owns the catalog of subscription plans and the logic for Read article
System Design
Low Level Design: Usage Metering Service
5 min read What Is a Usage Metering Service? A Usage Metering Service measures how much of a resource a customer consumes, aggregates Read article
System Design
Low Level Design: Semantic Search Service
5 min read What Is a Semantic Search Service? A Semantic Search Service finds documents that are conceptually relevant to a query even Read article
System Design
Low Level Design: Leaderboard Service
4 min read What Is a Leaderboard Service? A leaderboard service ranks users or entities by a numeric score and exposes that ranking Read article
System Design
Low Level Design: Ranking System
4 min read What Is a Ranking System? A ranking system assigns ordinal positions to entities (users, products, documents, players) based on one Read article