https://www.youngju.dev/blog 천천히 올바르게. AI Researcher & DevOps Engineer Youngju's tech blog. GPU/CUDA, LLM, MLOps, Kubernetes AI workloads, distributed training, and data engineering. ko fjvbn2003@gmail.com (Youngju Kim) fjvbn2003@gmail.com (Youngju Kim) Sat, 16 May 2026 00:00:00 GMT https://www.youngju.dev/blog/culture/2026-05-16-browser-devtools-deep-dive-2026-chrome-firefox-safari-edge-webdriver-bidi-cdp-lighthouse-12-ai-assistance-gemini-deep-dive.en https://www.youngju.dev/blog/culture/2026-05-16-browser-devtools-deep-dive-2026-chrome-firefox-safari-edge-webdriver-bidi-cdp-lighthouse-12-ai-assistance-gemini-deep-dive.en Chrome DevTools, Firefox DevTools, Safari Web Inspector, Edge DevTools, WebDriver BiDi (W3C, the CDP successor), Chrome AI Assistance (Gemini), Performance Insights, Recorder + Workflows, Workspace, Lighthouse 12, Lighthouse CI, PageSpeed Insights, Core Web Vitals overlay, Privacy Sandbox debugger, Animation Inspector, Memory + JS profiler, Coverage tab, Network throttling, Device emulation, CSS Overview, Source maps, Long task analyzer (INP), Puppeteer / Playwright / Cypress, and front-end performance engineering in Korea and Japan — a single map of the 2026 browser DevTools landscape. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) devtoolsbrowser-devtoolschrome-devtoolsfirefox-devtoolssafari-web-inspectoredge-devtoolswebdriver-bidicdpchrome-devtools-protocollighthouse-12lighthouse-cipagespeed-insightscore-web-vitalsprivacy-sandboxrecorder-workflowsworkspace-devtoolsgemini-devtoolsai-assistance-chromeanimation-inspectormemory-profilerjs-profilercoverage-tabcss-overviewsource-mapslong-task-analyzerinp2026deep-diveenglish https://www.youngju.dev/blog/culture/2026-05-16-browser-devtools-deep-dive-2026-chrome-firefox-safari-edge-webdriver-bidi-cdp-lighthouse-12-ai-assistance-gemini-deep-dive.ja https://www.youngju.dev/blog/culture/2026-05-16-browser-devtools-deep-dive-2026-chrome-firefox-safari-edge-webdriver-bidi-cdp-lighthouse-12-ai-assistance-gemini-deep-dive.ja Chrome DevTools、Firefox DevTools、Safari Web Inspector、Edge DevTools、WebDriver BiDi (W3C、CDP の後継)、Chrome AI Assistance (Gemini)、Performance Insights、Recorder + Workflows、Workspace、Lighthouse 12、Lighthouse CI、PageSpeed Insights、Core Web Vitals オーバーレイ、Privacy Sandbox デバッガ、Animation Inspector、Memory + JS profiler、Coverage タブ、Network スロットリング、デバイス エミュレーション、CSS Overview、Source maps、Long task analyzer (INP)、Puppeteer / Playwright / Cypress、そして韓国・日本のフロントエンド性能エンジニアリングまで — 2026 年のブラウザ DevTools 地形図を一気にまとめる。 Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) devtoolsbrowser-devtoolschrome-devtoolsfirefox-devtoolssafari-web-inspectoredge-devtoolswebdriver-bidicdpchrome-devtools-protocollighthouse-12lighthouse-cipagespeed-insightscore-web-vitalsprivacy-sandboxrecorder-workflowsworkspace-devtoolsgemini-devtoolsai-assistance-chromeanimation-inspectormemory-profilerjs-profilercoverage-tabcss-overviewsource-mapslong-task-analyzerinp2026deep-dive日本語 https://www.youngju.dev/blog/culture/2026-05-16-browser-devtools-deep-dive-2026-chrome-firefox-safari-edge-webdriver-bidi-cdp-lighthouse-12-ai-assistance-gemini-deep-dive https://www.youngju.dev/blog/culture/2026-05-16-browser-devtools-deep-dive-2026-chrome-firefox-safari-edge-webdriver-bidi-cdp-lighthouse-12-ai-assistance-gemini-deep-dive Chrome DevTools, Firefox DevTools, Safari Web Inspector, Edge DevTools, WebDriver BiDi (W3C, CDP 후속), Chrome AI Assistance (Gemini), Performance Insights, Recorder + Workflows, Workspace, Lighthouse 12, Lighthouse CI, PageSpeed Insights, Core Web Vitals overlay, Privacy Sandbox debugger, Animation Inspector, Memory + JS profiler, Coverage tab, Network throttling, Device emulation, CSS Overview, Source maps, Long task analyzer (INP), Puppeteer / Playwright / Cypress 그리고 한국·일본 프런트엔드 성능 엔지니어링까지 — 2026년 브라우저 DevTools 지형도를 한 번에 정리한다. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) devtoolsbrowser-devtoolschrome-devtoolsfirefox-devtoolssafari-web-inspectoredge-devtoolswebdriver-bidicdpchrome-devtools-protocollighthouse-12lighthouse-cipagespeed-insightscore-web-vitalsprivacy-sandboxrecorder-workflowsworkspace-devtoolsgemini-devtoolsai-assistance-chromeanimation-inspectormemory-profilerjs-profilercoverage-tabcss-overviewsource-mapslong-task-analyzerinp2026deep-dive