Seo on Commentary of Takao

Speeding Up assets Loading using DNS-Prefetch and Preconnect

Wed, 15 Apr 2026 00:00:00 +0900

Introduction

Every external resource — fonts, scripts, images, API endpoints — requires a 네트워크 연결. The overhead of DNS 해상도, TCP handshake, and TLS negotiation can add hundreds of milliseconds to page load time. Resource hints like dns-prefetch and preconnect let you tell the browser to perform these steps in advance, before the resource is actually needed.

The Cost of 연결

Establishing an HTTPS 연결 involves multiple round trips:

Approaches to Improving Interaction to Next Paint (INP)

Sat, 15 Mar 2025 00:00:00 +0900

Introduction

In Google’s Core Web Vitals metrics, which measure the user experience of web pages, FID (First Input Delay) has officially been replaced by INP (Interaction to Next Paint).

While FID only measured the response speed of the very first user interaction, INP evaluates the responsiveness of all clicks, taps, and keyboard inputs across the entire lifecycle of the page visit. It logs the delay between an interaction and the subsequent visual 업데이트 (the “Next Paint”).

Core Web Vitals Optimization: Complete 2024 Guide

Mon, 15 Jan 2024 00:00:00 +0900

Core Web Vitals (CWV) are the set of user-centric 성능 metrics that Google uses to measure real-world experience on the web. In March 2024, Google replaced First Input Delay (FID) with Interaction to Next Paint (INP), making it critical to understand all three metrics: Largest Contentful Paint (LCP), INP, and Cumulative Layout Shift (CLS). This 가이드 covers every aspect of optimizing your site for good CWV scores.