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-error-tracking-monitoring-2026-sentry-bugsnag-honeybadger-glitchtip-highlight-logrocket-deep-dive.en https://www.youngju.dev/blog/culture/2026-05-16-error-tracking-monitoring-2026-sentry-bugsnag-honeybadger-glitchtip-highlight-logrocket-deep-dive.en The full 2026 error tracking and monitoring map in one place — Sentry as the de-facto leader that absorbed Codecov in 2024 and shipped AI grouping plus Replay by default, Bugsnag now under SmartBear focused on enterprise compliance, indie-friendly Honeybadger, the Sentry-SDK-compatible open source GlitchTip, Highlight.io with session replay and errors in one screen, AppSignal as the Elixir/Ruby pick, OpenTelemetry-native open source Hyperdx (acquired by ClickHouse in 2024), BetterStack bundling logs and errors and status pages, the LogRocket / FullStory / OpenReplay session replay trio, Datadog Error Tracking and New Relic Errors Inbox alongside APM, and the maturity of the OpenTelemetry Logs/Errors signal — with real-world cases at Toss, Kakao, Mercari, LINE, and freee, plus selection guidance for solo developers, startups, enterprises, and self-hosters. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) error-trackingmonitoringsentrybugsnaghoneybadgerrollbarglitchtiphighlight-ioappsignalraygunbetterstacklogrocketfullstoryhyperdxopenreplayopentelemetryobservability2026deep-diveenglish https://www.youngju.dev/blog/culture/2026-05-16-error-tracking-monitoring-2026-sentry-bugsnag-honeybadger-glitchtip-highlight-logrocket-deep-dive.ja https://www.youngju.dev/blog/culture/2026-05-16-error-tracking-monitoring-2026-sentry-bugsnag-honeybadger-glitchtip-highlight-logrocket-deep-dive.ja 2026年のエラートラッキング/モニタリング全体マップを一気に整理 — 2024年に Codecov を買収して AI グルーピングと Replay を標準機能に引き上げた事実上のリーダー Sentry、SmartBear 傘下でエンタープライズとコンプライアンスに振った Bugsnag、一人のインディー開発者でも気軽に使える Honeybadger、Sentry SDK 互換でセルフホスト可能なオープンソース GlitchTip、セッションリプレイとエラーを一画面で見せるオープンソース Highlight.io、Elixir/Ruby 第一の AppSignal、OpenTelemetry ネイティブのオープンソース Hyperdx (2024年に ClickHouse が買収)、ログ+エラー+ステータスページを束ねた BetterStack、UX 分析の代表格 LogRocket / FullStory / OpenReplay、そして Datadog / New Relic の Errors Inbox と OpenTelemetry の Logs/Errors シグナルの成熟まで — トス、カカオ、メルカリ、LINE、freee の実例と、1人/スタートアップ/エンタープライズ/セルフホストの選び方を一気にまとめます。 Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) error-trackingmonitoringsentrybugsnaghoneybadgerrollbarglitchtiphighlight-ioappsignalraygunbetterstacklogrocketfullstoryhyperdxopenreplayopentelemetryobservability2026deep-dive日本語 https://www.youngju.dev/blog/culture/2026-05-16-error-tracking-monitoring-2026-sentry-bugsnag-honeybadger-glitchtip-highlight-logrocket-deep-dive https://www.youngju.dev/blog/culture/2026-05-16-error-tracking-monitoring-2026-sentry-bugsnag-honeybadger-glitchtip-highlight-logrocket-deep-dive 2026년 에러 트래킹 / 모니터링 전체 지도를 한 번에 — 2024년 Codecov 인수 후 AI 그룹화와 Replay 를 기본으로 끌어올린 사실상의 리더 Sentry, SmartBear 산하에서 엔터프라이즈 컴플라이언스를 챙긴 Bugsnag, 한 사람의 인디 개발자도 부담없이 쓸 수 있는 Honeybadger, Sentry SDK 호환의 셀프호스팅 오픈소스 GlitchTip, 세션 리플레이와 에러를 한 화면에서 보는 오픈소스 Highlight.io, Elixir/Ruby 1순위인 AppSignal, OpenTelemetry 네이티브 오픈소스 Hyperdx, 로그+에러+상태페이지를 묶은 BetterStack, UX 분석의 1군 LogRocket / FullStory / OpenReplay, 그리고 Datadog / New Relic 의 Errors Inbox 와 OpenTelemetry 의 Logs/Errors 시그널 성숙까지 — 토스, 카카오, 메르카리, LINE, freee 의 실제 사례와 1인 / 스타트업 / 엔터프라이즈 / 셀프호스팅 선택 기준을 한 번에 정리합니다. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) error-trackingmonitoringsentrybugsnaghoneybadgerrollbarglitchtiphighlight-ioappsignalraygunbetterstacklogrocketfullstoryhyperdxopenreplayopentelemetryobservability2026deep-dive https://www.youngju.dev/blog/culture/2026-05-16-product-analytics-ab-testing-2026-mixpanel-amplitude-posthog-heap-pendo-optimizely-plausible-deep-dive.en https://www.youngju.dev/blog/culture/2026-05-16-product-analytics-ab-testing-2026-mixpanel-amplitude-posthog-heap-pendo-optimizely-plausible-deep-dive.en A May 2026 map of the product analytics, A/B testing, and CDP ecosystem in one place. Covers Mixpanel (long-time leader), Amplitude (expanding into experimentation), PostHog (open-source all-in-one), Heap (autocapture), Pendo (adoption), Contentsquare (which acquired Hotjar), Fullstory (session replay), Optimizely, VWO, Statsig, GrowthBook; the privacy-first camp of Plausible, Fathom, Umami, Matomo, Simple Analytics; the CDPs Segment (Twilio), RudderStack, and Snowplow; plus the 2026 AI features in Mixpanel Spark, Amplitude Audience GenAI, and PostHog AI. Includes Korean (Toss, Kakao) and Japanese (Mercari, AbemaTV) case studies and a decision guide from solo developers through enterprise. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) product-analyticsab-testingmixpanelamplitudeposthogheappendohotjarcontentsquarefullstoryoptimizelyvwostatsiggrowthbookplausiblefathomumamimatomosegmentrudderstacksnowplow2026deep-diveenglish https://www.youngju.dev/blog/culture/2026-05-16-product-analytics-ab-testing-2026-mixpanel-amplitude-posthog-heap-pendo-optimizely-plausible-deep-dive.ja https://www.youngju.dev/blog/culture/2026-05-16-product-analytics-ab-testing-2026-mixpanel-amplitude-posthog-heap-pendo-optimizely-plausible-deep-dive.ja 2026年5月時点のプロダクト分析・A/B テスト・CDP エコシステムを一気にまとめます。Mixpanel(長年のリーダー)、Amplitude(実験領域へ拡大)、PostHog(オープンソースのオールインワン)、Heap(自動キャプチャ)、Pendo(採用)、Contentsquare(Hotjar 買収)、Fullstory(セッションリプレイ)、Optimizely、VWO、Statsig、GrowthBook、プライバシー優先の Plausible・Fathom・Umami・Matomo・Simple Analytics、CDP の Segment(Twilio)・RudderStack・Snowplow、そして Mixpanel Spark・Amplitude Audience GenAI・PostHog AI など 2026 年の AI 機能までを網羅。韓国(トス・カカオ)と日本(メルカリ・AbemaTV)の事例、ソロ開発者からエンタープライズまでの意思決定ガイドも付属。 Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) product-analyticsab-testingmixpanelamplitudeposthogheappendohotjarcontentsquarefullstoryoptimizelyvwostatsiggrowthbookplausiblefathomumamimatomosegmentrudderstacksnowplow2026deep-dive日本語 https://www.youngju.dev/blog/culture/2026-05-16-product-analytics-ab-testing-2026-mixpanel-amplitude-posthog-heap-pendo-optimizely-plausible-deep-dive https://www.youngju.dev/blog/culture/2026-05-16-product-analytics-ab-testing-2026-mixpanel-amplitude-posthog-heap-pendo-optimizely-plausible-deep-dive 2026년 5월 기준 제품 분석·A/B 테스트·CDP 생태계를 한 번에 정리합니다. Mixpanel(오랜 리더)·Amplitude(실험으로 확장)·PostHog(오픈소스 올인원)·Heap(자동 추적)·Pendo(채택)·Contentsquare(Hotjar 인수)·Fullstory(세션 리플레이)·Optimizely·VWO·Statsig·GrowthBook, 프라이버시 우선의 Plausible·Fathom·Umami·Matomo·Simple Analytics, CDP의 Segment(Twilio)·RudderStack·Snowplow, 그리고 Mixpanel Spark·Amplitude Audience GenAI·PostHog AI 같은 2026년 AI 기능까지. 한국(토스·카카오)과 일본(메르카리·AbemaTV) 사례, 그리고 1인 개발자부터 엔터프라이즈까지 의사결정 가이드를 제공합니다. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) product-analyticsab-testingmixpanelamplitudeposthogheappendohotjarcontentsquarefullstoryoptimizelyvwostatsiggrowthbookplausiblefathomumamimatomosegmentrudderstacksnowplow2026deep-dive