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-performance-load-testing-2026-k6-artillery-locust-jmeter-gatling-vegeta-oha-deep-dive.en https://www.youngju.dev/blog/culture/2026-05-16-performance-load-testing-2026-k6-artillery-locust-jmeter-gatling-vegeta-oha-deep-dive.en A May 2026 map of the performance and load testing landscape. Grafana k6 v1.0 (2024 GA), Artillery, Locust, Apache JMeter 5.6, Gatling, the CLI benchmarks Vegeta / hey / wrk / oha / autocannon / Bombardier, enterprise SaaS BlazeMeter / LoadRunner / NeoLoad, browser perf with Lighthouse / WebPageTest / SpeedCurve / Calibre, Core Web Vitals where INP replaced FID, AI tools like k6 Studio and Artillery Pro AI, and Korea / Japan case studies from Naver, Toss, and Mercari — all in one post. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) performance-testingload-testingk6artillerylocustjmetergatlingvegetaheywrkohaautocannonbombardierlighthousewebpagetestcore-web-vitals2026deep-diveenglish https://www.youngju.dev/blog/culture/2026-05-16-performance-load-testing-2026-k6-artillery-locust-jmeter-gatling-vegeta-oha-deep-dive.ja https://www.youngju.dev/blog/culture/2026-05-16-performance-load-testing-2026-k6-artillery-locust-jmeter-gatling-vegeta-oha-deep-dive.ja 2026年5月時点のパフォーマンス・負荷テストツール地図を一気にまとめます。Grafana k6 v1.0(2024 GA)、Artillery、Locust、Apache JMeter 5.6、Gatling、そして Vegeta・hey・wrk・oha・autocannon・Bombardier のような CLI ベンチマーク、エンタープライズ SaaS の BlazeMeter・LoadRunner・NeoLoad、ブラウザ perf の Lighthouse・WebPageTest・SpeedCurve・Calibre、INP が FID を置き換えた Core Web Vitals、k6 Studio・Artillery Pro AI のような AI ツール、さらに ネイバー・トス・メルカリ の日韓事例まで一本に詰め込みました。 Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) performance-testingload-testingk6artillerylocustjmetergatlingvegetaheywrkohaautocannonbombardierlighthousewebpagetestcore-web-vitals2026deep-dive日本語 https://www.youngju.dev/blog/culture/2026-05-16-performance-load-testing-2026-k6-artillery-locust-jmeter-gatling-vegeta-oha-deep-dive https://www.youngju.dev/blog/culture/2026-05-16-performance-load-testing-2026-k6-artillery-locust-jmeter-gatling-vegeta-oha-deep-dive 2026년 5월 기준 성능·부하 테스트 도구 지도를 한 번에 정리합니다. Grafana k6 v1.0(2024 GA), Artillery, Locust, Apache JMeter 5.6, Gatling, 그리고 Vegeta·hey·wrk·oha·autocannon·Bombardier 같은 CLI 벤치마크, 엔터프라이즈 SaaS BlazeMeter·LoadRunner·NeoLoad, 브라우저 perf Lighthouse·WebPageTest·SpeedCurve·Calibre, INP가 FID를 대체한 Core Web Vitals, k6 Studio·Artillery Pro AI 같은 AI 도구, 그리고 네이버·토스·Mercari 한·일 사례까지 한 글에 담았습니다. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) performance-testingload-testingk6artillerylocustjmetergatlingvegetaheywrkohaautocannonbombardierlighthousewebpagetestcore-web-vitals2026deep-dive https://www.youngju.dev/blog/culture/2026-05-16-privacy-email-providers-2026-proton-tuta-mailbox-fastmail-posteo-skiff-rip-deep-dive.en https://www.youngju.dev/blog/culture/2026-05-16-privacy-email-providers-2026-proton-tuta-mailbox-fastmail-posteo-skiff-rip-deep-dive.en Mapping the privacy email landscape in 2026. ProtonMail (Switzerland, the biggest E2EE), Tuta (Germany, formerly Tutanota — post-quantum pioneer), Mailbox.org (Germany, business-friendly), Fastmail (Australia, not E2EE but strong privacy), Posteo (€1/month German open source), Mailfence, StartMail, Hey (37signals), Skiff (Notion acquired Feb 2024 → RIP), paid alternatives like Migadu / Runbox / MXroute, and self-hosting options like Stalwart, Mail-in-a-box, Maddy, Postal. Plus Korean (Daum / Naver / Kakao) and Japanese (Yahoo!Mail / Gmail JP / So-net / OCN / ConoHa) markets. Who should pick what. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) emailprivacyproton-mailtutatutanotamailbox-orgfastmailposteomailfencestartmailheyskiffmigadurunboxmxroutestalwartmail-in-a-boxmaddy2026deep-diveenglish https://www.youngju.dev/blog/culture/2026-05-16-privacy-email-providers-2026-proton-tuta-mailbox-fastmail-posteo-skiff-rip-deep-dive.ja https://www.youngju.dev/blog/culture/2026-05-16-privacy-email-providers-2026-proton-tuta-mailbox-fastmail-posteo-skiff-rip-deep-dive.ja 2026年現在のプライバシー重視メール市場の地図を描く。ProtonMail（スイス、最大のE2EE）、Tuta（ドイツ、旧 Tutanota — ポスト量子の先駆者）、Mailbox.org（ドイツ、ビジネス向け）、Fastmail（オーストラリア、E2EEではないが強力なプライバシー）、Posteo（月1ユーロのドイツ製オープンソース）、Mailfence、StartMail、Hey（37signals）、Skiff（2024年2月 Notionが買収 → RIP）、Migadu / Runbox / MXroute のような有料代替、Stalwart / Mail-in-a-box / Maddy / Postal のようなセルフホスティング。韓国（Daum / Naver / Kakao）と日本（Yahoo!メール / Gmail JP / So-net / OCN / ConoHa Mail）市場の比較まで。誰が何を選ぶべきかをまとめる。 Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) emailprivacyproton-mailtutatutanotamailbox-orgfastmailposteomailfencestartmailheyskiffmigadurunboxmxroutestalwartmail-in-a-boxmaddy2026deep-dive日本語 https://www.youngju.dev/blog/culture/2026-05-16-privacy-email-providers-2026-proton-tuta-mailbox-fastmail-posteo-skiff-rip-deep-dive https://www.youngju.dev/blog/culture/2026-05-16-privacy-email-providers-2026-proton-tuta-mailbox-fastmail-posteo-skiff-rip-deep-dive 2026년 현재 프라이버시 이메일 시장의 지도를 그린다. ProtonMail(스위스, 가장 큰 E2EE), Tuta(독일, 구 Tutanota — post-quantum 선구자), Mailbox.org(독일, 비즈니스 친화), Fastmail(호주, E2EE는 아니지만 강력한 프라이버시), Posteo(€1/월 독일 오픈소스), Mailfence, StartMail, Hey(37signals), Skiff(2024년 2월 Notion 인수 → RIP), Migadu·Runbox·MXroute 같은 paid 알트, Stalwart·Mail-in-a-box·Maddy·Postal 같은 셀프호스팅. 한국(다음/네이버/카카오)과 일본(Yahoo!メール·Gmail JP·So-net·OCN·ConoHa) 시장 비교까지. 누가 무엇을 골라야 하는지를 정리한다. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) emailprivacyproton-mailtutatutanotamailbox-orgfastmailposteomailfencestartmailheyskiffmigadurunboxmxroutestalwartmail-in-a-boxmaddy2026deep-dive