https://logreplay.com/blog/ Session replay, logging, and debugging guides. en https://logreplay.com/blog/highlight-self-hosted-experience/ https://logreplay.com/blog/highlight-self-hosted-experience/ Wed, 12 Aug 2026 00:00:00 +0000 Operator notes on running a Highlight.io self hosted stack: what ClickHouse, Kafka, Postgres, and Redis demand on one box, what to monitor, when to quit. https://logreplay.com/blog/kubernetes-logs-without-platform-team/ https://logreplay.com/blog/kubernetes-logs-without-platform-team/ Tue, 11 Aug 2026 00:00:00 +0000 A minimal kubernetes log management setup for small clusters without a platform team: stdout discipline, one DaemonSet agent, label routing, crash-loop capture. https://logreplay.com/blog/masking-pii-session-replay/ https://logreplay.com/blog/masking-pii-session-replay/ Mon, 10 Aug 2026 00:00:00 +0000 A field-by-field checklist for masking PII in session replay: inputs, text nodes, URLs, network bodies, third-party widgets, plus a verification step. https://logreplay.com/blog/react-infinite-rerender-loops/ https://logreplay.com/blog/react-infinite-rerender-loops/ Sun, 09 Aug 2026 00:00:00 +0000 Why React throws 'Maximum update depth exceeded', the five loops that cause it, and how to find the real culprit when the stack trace points nowhere. https://logreplay.com/blog/session-links-in-tickets/ https://logreplay.com/blog/session-links-in-tickets/ Sat, 08 Aug 2026 00:00:00 +0000 How to attach a session recording to a ticket in Zendesk, Intercom, or plain email, and why this one workflow change cuts clarification round-trips. https://logreplay.com/blog/logrocket-alternatives-small-teams/ https://logreplay.com/blog/logrocket-alternatives-small-teams/ Fri, 07 Aug 2026 00:00:00 +0000 A decision framework for choosing a LogRocket alternative: self-hosting, session volume, error tracking overlap, and what each option trades away. https://logreplay.com/blog/open-source-session-replay-compared/ https://logreplay.com/blog/open-source-session-replay-compared/ Thu, 06 Aug 2026 00:00:00 +0000 OpenReplay, Highlight/LogReplay, PostHog, and raw rrweb compared on license, resource footprint, and upgrade pain for teams that self-host replay. https://logreplay.com/blog/is-session-replay-legal/ https://logreplay.com/blog/is-session-replay-legal/ Wed, 05 Aug 2026 00:00:00 +0000 Session replay is legal in most places with the right setup. Where US wiretap suits and EU consent rules bite, and which configuration choices matter. https://logreplay.com/blog/self-hosted-session-replay-vps/ https://logreplay.com/blog/self-hosted-session-replay-vps/ Mon, 03 Aug 2026 00:00:00 +0000 Sizing, Docker layout, TLS via nginx and certbot, disk growth math, and backups for running self-hosted session replay on a single 8GB/4-core VPS. https://logreplay.com/blog/sampling-explained-monitoring/ https://logreplay.com/blog/sampling-explained-monitoring/ Sun, 02 Aug 2026 00:00:00 +0000 How sampling works in monitoring: head vs tail sampling, error-biased strategies, the real odds of missing a bug, and cost math at different rates. https://logreplay.com/blog/rrweb-record-options-that-matter/ https://logreplay.com/blog/rrweb-record-options-that-matter/ Sat, 01 Aug 2026 00:00:00 +0000 Six rrweb record options that change privacy, performance, and replay fidelity: maskAllInputs, blockClass, sampling, inlineStylesheet, slimDOM, recordCanvas. https://logreplay.com/blog/rage-clicks-explained/ https://logreplay.com/blog/rage-clicks-explained/ Fri, 31 Jul 2026 00:00:00 +0000 What counts as a rage click, the detection thresholds tools use, the common false positives, and how to tell real frustration from click habits. https://logreplay.com/blog/sentry-session-replay-pricing-math/ https://logreplay.com/blog/sentry-session-replay-pricing-math/ Thu, 30 Jul 2026 00:00:00 +0000 A worked example of Sentry session replay pricing: how per-replay billing scales with traffic and sample rates, and where flat-tier tools become cheaper. https://logreplay.com/blog/clickhouse-session-storage/ https://logreplay.com/blog/clickhouse-session-storage/ Tue, 28 Jul 2026 00:00:00 +0000 Why session replay vendors converged on ClickHouse for session data: append-only event shape, columnar compression, and MergeTree ordering explained. https://logreplay.com/blog/session-replay-performance-overhead/ https://logreplay.com/blog/session-replay-performance-overhead/ Mon, 27 Jul 2026 00:00:00 +0000 Session replay overhead broken into bundle size, CPU, memory, and network — and how to measure the real cost on your own app instead of trusting vendors. https://logreplay.com/blog/microsoft-clarity-replay-limits/ https://logreplay.com/blog/microsoft-clarity-replay-limits/ Sun, 26 Jul 2026 00:00:00 +0000 Microsoft Clarity's session replay is genuinely free and genuinely useful — for UX research. Here's where it stops helping engineers debug. https://logreplay.com/blog/onboarding-drop-off-bugs/ https://logreplay.com/blog/onboarding-drop-off-bugs/ Fri, 24 Jul 2026 00:00:00 +0000 SaaS onboarding drop off debugging starts with one question: are users confused or is something broken? How to tell hesitation from silent failure. https://logreplay.com/blog/elk-stack-honest-assessment/ https://logreplay.com/blog/elk-stack-honest-assessment/ Wed, 22 Jul 2026 00:00:00 +0000 An honest look at ELK stack log management in 2026: what Elasticsearch still does best, what the JVM heap really costs, and when Loki or ClickHouse wins. https://logreplay.com/blog/session-replay-nextjs-setup/ https://logreplay.com/blog/session-replay-nextjs-setup/ Tue, 21 Jul 2026 00:00:00 +0000 How to add session replay to a Next.js App Router project: client component providers, strict mode double-init, env vars, and route change tracking. https://logreplay.com/blog/reproducing-bugs-from-vague-reports/ https://logreplay.com/blog/reproducing-bugs-from-vague-reports/ Sun, 19 Jul 2026 00:00:00 +0000 How to reproduce a bug from a user report that says almost nothing: five questions worth asking, ten that waste time, and how to stop needing to ask. https://logreplay.com/blog/session-replay-vite-react/ https://logreplay.com/blog/session-replay-vite-react/ Sat, 18 Jul 2026 00:00:00 +0000 Where to initialize session replay in a Vite + React app, how to split dev and prod config with env vars, and the strict-mode gotcha that double-records. https://logreplay.com/blog/session-recording-gdpr-compliance/ https://logreplay.com/blog/session-recording-gdpr-compliance/ Thu, 16 Jul 2026 00:00:00 +0000 Session recording can comply with GDPR: pick a defensible lawful basis, mask PII at capture, set real retention limits, and sort out the vendor DPA. https://logreplay.com/blog/log-management-small-team-practices/ https://logreplay.com/blog/log-management-small-team-practices/ Tue, 14 Jul 2026 00:00:00 +0000 Log management best practices for a five-person SaaS team: what to centralize first, retention on a budget, and when grep over SSH is genuinely fine. https://logreplay.com/blog/nextjs-hydration-mismatch/ https://logreplay.com/blog/nextjs-hydration-mismatch/ Sat, 11 Jul 2026 00:00:00 +0000 The five most common causes of hydration mismatches in Next.js, ranked by how often they actually happen in production, with a working fix for each. https://logreplay.com/blog/error-breadcrumbs-explained/ https://logreplay.com/blog/error-breadcrumbs-explained/ Thu, 09 Jul 2026 00:00:00 +0000 What breadcrumbs are in error tracking, what a trail can and cannot tell you, when they're honestly enough, and when you need full session replay. https://logreplay.com/blog/datadog-logs-cost-control/ https://logreplay.com/blog/datadog-logs-cost-control/ Wed, 08 Jul 2026 00:00:00 +0000 Datadog log pricing splits ingest from indexing, and indexing is what bites. Exclusion filters, rehydration, and when a small team should leave. https://logreplay.com/blog/frontend-race-conditions/ https://logreplay.com/blog/frontend-race-conditions/ Mon, 06 Jul 2026 00:00:00 +0000 Frontend race conditions explained: stale responses overwriting fresh state, double submits, and effect cleanup — with AbortController fixes that hold up. https://logreplay.com/blog/error-monitoring-or-replay-first/ https://logreplay.com/blog/error-monitoring-or-replay-first/ Sat, 04 Jul 2026 00:00:00 +0000 A decision tree for choosing between error monitoring and session replay when you can only set up one thing this sprint. Spoiler: it depends on your bugs. https://logreplay.com/blog/dynatrace-session-replay-review/ https://logreplay.com/blog/dynatrace-session-replay-review/ Fri, 03 Jul 2026 00:00:00 +0000 A fair teardown of Dynatrace session replay: strong APM trace correlation, DEM-unit licensing built for enterprises, and why small teams should look elsewhere. https://logreplay.com/blog/replay-consent-implementation/ https://logreplay.com/blog/replay-consent-implementation/ Wed, 01 Jul 2026 00:00:00 +0000 How to gate session replay on consent: start-after-consent pattern with code, buffering tradeoffs, CMP integration, and testing the reject path. https://logreplay.com/blog/chunk-load-errors-after-deploy/ https://logreplay.com/blog/chunk-load-errors-after-deploy/ Tue, 30 Jun 2026 00:00:00 +0000 Why ChunkLoadError spikes after every deploy, how stale HTML references dead asset hashes, and three fixes: reload prompts, cache headers, kept assets. https://logreplay.com/blog/dark-mode-flash-fouc/ https://logreplay.com/blog/dark-mode-flash-fouc/ Sat, 27 Jun 2026 00:00:00 +0000 Why your site flashes the wrong theme on load, and the inline script fix that actually stops it — plus cookies vs localStorage for SSR frameworks. https://logreplay.com/blog/user-specific-bugs/ https://logreplay.com/blog/user-specific-bugs/ Thu, 25 Jun 2026 00:00:00 +0000 How to debug a user specific issue: the five-part taxonomy — data shape, permissions, local state, extensions, locale — and a bisection sequence. https://logreplay.com/blog/rrweb-blank-replay-fixes/ https://logreplay.com/blog/rrweb-blank-replay-fixes/ Mon, 22 Jun 2026 00:00:00 +0000 A checklist for blank rrweb replays, ordered by how often each cause turns up: missing snapshots, CORS-blocked CSS, CSP, iframes, and player isolation. https://logreplay.com/blog/how-session-replay-works-under-the-hood/ https://logreplay.com/blog/how-session-replay-works-under-the-hood/ Sat, 20 Jun 2026 00:00:00 +0000 How session replay works under the hood: DOM snapshots, MutationObserver diffs, batched uploads, and how the player turns JSON back into a page. https://logreplay.com/blog/session-replay-attack-vs-session-replay/ https://logreplay.com/blog/session-replay-attack-vs-session-replay/ Thu, 18 Jun 2026 00:00:00 +0000 A session replay attack re-sends stolen auth tokens. Session replay tools record the DOM for debugging. Two unrelated things that share a name. https://logreplay.com/blog/measuring-sdk-overhead/ https://logreplay.com/blog/measuring-sdk-overhead/ Mon, 15 Jun 2026 00:00:00 +0000 A method for measuring browser SDK performance impact on your own app: A/B cohorts, INP and LCP deltas in the field, and DevTools script evaluation time. https://logreplay.com/blog/elasticsearch-for-logs-tradeoffs/ https://logreplay.com/blog/elasticsearch-for-logs-tradeoffs/ Sat, 13 Jun 2026 00:00:00 +0000 How inverted indexes, ILM tiers, and shard sizing shape Elasticsearch for log management — and when field queries make a columnar store the better fit. https://logreplay.com/blog/support-to-engineering-triage/ https://logreplay.com/blog/support-to-engineering-triage/ Thu, 11 Jun 2026 00:00:00 +0000 Why the support ticket bug triage process breaks at the handoff, and a protocol that fixes it: intake capture, escalation criteria, and the evidence rule. https://logreplay.com/blog/replay-retention-policy-design/ https://logreplay.com/blog/replay-retention-policy-design/ Tue, 09 Jun 2026 00:00:00 +0000 A session replay retention policy that balances support lookback, GDPR storage limitation, and disk cost — with a tiered template and audit notes. https://logreplay.com/blog/react-white-screen-production/ https://logreplay.com/blog/react-white-screen-production/ Mon, 08 Jun 2026 00:00:00 +0000 What to check when your React app renders a blank white page in production: error boundaries, chunk loads, hydration crashes, and stale deploys. https://logreplay.com/blog/percentiles-for-web-devs/ https://logreplay.com/blog/percentiles-for-web-devs/ Fri, 05 Jun 2026 00:00:00 +0000 What p95 latency means in plain language, why averages hide slow requests, which percentile to alert on, and how to compute them from RUM data. https://logreplay.com/blog/centralizing-logs-first-steps/ https://logreplay.com/blog/centralizing-logs-first-steps/ Thu, 04 Jun 2026 00:00:00 +0000 A staged migration to centralized log management: from SSH and grep, to one aggregation box with vector, to structured JSON and retention tiers. https://logreplay.com/blog/session-replay-hipaa-healthcare/ https://logreplay.com/blog/session-replay-hipaa-healthcare/ Tue, 02 Jun 2026 00:00:00 +0000 Why session replay on healthcare apps is high-risk under HIPAA: PHI leaks through DOM capture, most vendors won't sign a BAA, and what's defensible. https://logreplay.com/blog/hotjar-session-recording-for-devs/ https://logreplay.com/blog/hotjar-session-recording-for-devs/ Fri, 29 May 2026 00:00:00 +0000 Hotjar session recording is genuinely good for UX research, but it lacks console, network, and error data — here's where developers hit the wall. https://logreplay.com/blog/linux-log-management-journald/ https://logreplay.com/blog/linux-log-management-journald/ Wed, 27 May 2026 00:00:00 +0000 Practical linux log management with journald: journalctl queries worth memorizing, persistent storage, rate limits that drop logs silently, and forwarding. https://logreplay.com/blog/bugs-you-cannot-reproduce/ https://logreplay.com/blog/bugs-you-cannot-reproduce/ Mon, 25 May 2026 00:00:00 +0000 A taxonomy of bugs you cannot reproduce from production — state, timing, environment, and history dependent — and the capture strategy that cracks each one. https://logreplay.com/blog/securing-your-logs/ https://logreplay.com/blog/securing-your-logs/ Thu, 21 May 2026 00:00:00 +0000 Auth headers, tokens, and env dumps leak into logs constantly, and log access is rarely audited. How to secure log management at the source and at ingest. https://logreplay.com/blog/dom-snapshots-explained/ https://logreplay.com/blog/dom-snapshots-explained/ Tue, 19 May 2026 00:00:00 +0000 What a DOM snapshot is, how a serializer walks the tree, what gets captured versus referenced versus rebuilt, and why replayed pages can't run code. https://logreplay.com/blog/cors-errors-in-production/ https://logreplay.com/blog/cors-errors-in-production/ Mon, 18 May 2026 00:00:00 +0000 Why CORS errors appear only in production: preflight caching, credentials plus wildcard origins, proxies stripping headers, and the curl commands to debug it.