Freelance blog post - PostHog vs Langfuse#18134
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Vale prose linter → found 3 errors, 100 warnings, 1 suggestions in your markdown Full report → Copy the linter results into an LLM to batch-fix issues. Linter being weird? Update the rules!
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| Line | Severity | Message | Rule |
|---|---|---|---|
| 2:20 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 14:28 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 20:124 | warning | Capitalize 'Logs' for PostHog's product. Use 'logs' for the general industry concept. | PostHogBase.ProductNames |
| 22:24 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 26:6 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 26:164 | warning | Capitalize 'Experiments' for PostHog's product. Use 'experiments' for the general industry concept. | PostHogBase.ProductNames |
| 28:146 | warning | Capitalize 'Product Analytics' for PostHog's product. Use 'product analytics' for the general industry concept. | PostHogBase.ProductNames |
| 28:187 | warning | Capitalize 'Session Replay' for PostHog's product. Use 'session replay' for the general industry concept. | PostHogBase.ProductNames |
| 28:222 | warning | Capitalize 'Feature Flags' for PostHog's product. Use 'feature flags' for the general industry concept. | PostHogBase.ProductNames |
| 28:255 | warning | Capitalize 'Experiments' for PostHog's product. Use 'experiments' for the general industry concept. | PostHogBase.ProductNames |
| 28:284 | warning | Capitalize 'Error Tracking' for PostHog's product. Use 'error tracking' for the general industry concept. | PostHogBase.ProductNames |
| 28:319 | warning | Capitalize 'Surveys' for PostHog's product. Use 'surveys' for the general industry concept. | PostHogBase.ProductNames |
| 34:316 | warning | Capitalize 'Session Replay' for PostHog's product. Use 'session replay' for the general industry concept. | PostHogBase.ProductNames |
| 40:74 | warning | Capitalize 'Experiments' for PostHog's product. Use 'experiments' for the general industry concept. | PostHogBase.ProductNames |
| 42:14 | warning | Capitalize 'Experiments' for PostHog's product. Use 'experiments' for the general industry concept. | PostHogBase.ProductNames |
| 42:276 | warning | 'Frequentist' is a possible misspelling. | PostHogBase.Spelling |
| 55:4 | warning | 'Comparing PostHog and Langfuse' heading should be in sentence case, and product names should be capitalized. | PostHogBase.SentenceCase |
| 55:26 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 59:63 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 83:19 | warning | 'Langfuse's' is a possible misspelling. | PostHogBase.Spelling |
| 87:1 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 87:274 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 106:71 | warning | Capitalize 'Workflows' for PostHog's product. Use 'workflows' for the general industry concept. | PostHogBase.ProductNames |
| 106:173 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 110:74 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 110:124 | warning | Capitalize 'Workflows' for PostHog's product. Use 'workflows' for the general industry concept. | PostHogBase.ProductNames |
| 114:39 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 130:41 | warning | Capitalize 'Experiments' for PostHog's product. Use 'experiments' for the general industry concept. | PostHogBase.ProductNames |
| 130:91 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 151:138 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 153:268 | warning | Capitalize 'Product Analytics' for PostHog's product. Use 'product analytics' for the general industry concept. | PostHogBase.ProductNames |
| 155:62 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 159:32 | warning | Capitalize 'Workflows' for PostHog's product. Use 'workflows' for the general industry concept. | PostHogBase.ProductNames |
| 159:49 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 159:114 | warning | Capitalize 'Product Analytics' for PostHog's product. Use 'product analytics' for the general industry concept. | PostHogBase.ProductNames |
| 159:133 | warning | Capitalize 'Session Replay' for PostHog's product. Use 'session replay' for the general industry concept. | PostHogBase.ProductNames |
| 159:149 | warning | Capitalize 'Feature Flags' for PostHog's product. Use 'feature flags' for the general industry concept. | PostHogBase.ProductNames |
| 159:164 | warning | Capitalize 'Experimentation' for PostHog's product. Use 'experimentation' for the general industry concept. | PostHogBase.ProductNames |
| 187:30 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 189:27 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 201:4 | warning | 'When to choose PostHog vs Langfuse' heading should be in sentence case, and product names should be capitalized. | PostHogBase.SentenceCase |
| 201:30 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 209:84 | warning | Capitalize 'Error Tracking' for PostHog's product. Use 'error tracking' for the general industry concept. | PostHogBase.ProductNames |
| 210:42 | warning | Capitalize 'Session Replay' for PostHog's product. Use 'session replay' for the general industry concept. | PostHogBase.ProductNames |
| 210:58 | warning | Capitalize 'Experiments' for PostHog's product. Use 'experiments' for the general industry concept. | PostHogBase.ProductNames |
| 212:5 | warning | 'Choose Langfuse for AI observability if:' heading should be in sentence case, and product names should be capitalized. | PostHogBase.SentenceCase |
| 212:12 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 215:83 | warning | Capitalize 'Experiments' for PostHog's product. Use 'experiments' for the general industry concept. | PostHogBase.ProductNames |
| 216:80 | warning | Capitalize 'Workflows' for PostHog's product. Use 'workflows' for the general industry concept. | PostHogBase.ProductNames |
| 216:138 | warning | Capitalize 'Experiments' for PostHog's product. Use 'experiments' for the general industry concept. | PostHogBase.ProductNames |
| 225:37 | warning | Capitalize 'Session Replay' for PostHog's product. Use 'session replay' for the general industry concept. | PostHogBase.ProductNames |
| 225:53 | warning | Capitalize 'Feature Flags' for PostHog's product. Use 'feature flags' for the general industry concept. | PostHogBase.ProductNames |
| 225:72 | warning | Capitalize 'Error Tracking' for PostHog's product. Use 'error tracking' for the general industry concept. | PostHogBase.ProductNames |
| 225:297 | warning | Capitalize 'Experiments' for PostHog's product. Use 'experiments' for the general industry concept. | PostHogBase.ProductNames |
| 229:5 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 229:133 | warning | 'Langfuse's' is a possible misspelling. | PostHogBase.Spelling |
| 233:128 | error | Hi, Andy here... use an en dash ( – ) with spaces. On Mac, holding down the Option and hyphen key will give you an en dash. | PostHogBase.EnDash |
| 233:180 | warning | Capitalize 'Experiments' for PostHog's product. Use 'experiments' for the general industry concept. | PostHogBase.ProductNames |
| 235:33 | warning | 'LLMOps' is a possible misspelling. | PostHogBase.Spelling |
| 237:16 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 242:57 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 244:3 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 244:239 | warning | Capitalize 'Product Analytics' for PostHog's product. Use 'product analytics' for the general industry concept. | PostHogBase.ProductNames |
| 244:280 | warning | Capitalize 'Session Replay' for PostHog's product. Use 'session replay' for the general industry concept. | PostHogBase.ProductNames |
| 244:315 | warning | Capitalize 'Feature Flags' for PostHog's product. Use 'feature flags' for the general industry concept. | PostHogBase.ProductNames |
| 244:348 | warning | Capitalize 'Experiments' for PostHog's product. Use 'experiments' for the general industry concept. | PostHogBase.ProductNames |
| 244:377 | warning | Capitalize 'Error Tracking' for PostHog's product. Use 'error tracking' for the general industry concept. | PostHogBase.ProductNames |
| 246:49 | error | Hi, Andy here... use an en dash ( – ) with spaces. On Mac, holding down the Option and hyphen key will give you an en dash. | PostHogBase.EnDash |
| 246:81 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 246:118 | warning | Capitalize 'Workflows' for PostHog's product. Use 'workflows' for the general industry concept. | PostHogBase.ProductNames |
| 251:24 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 253:138 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 260:30 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 262:181 | warning | Capitalize 'Product Analytics' for PostHog's product. Use 'product analytics' for the general industry concept. | PostHogBase.ProductNames |
| 262:200 | warning | Capitalize 'Session Replay' for PostHog's product. Use 'session replay' for the general industry concept. | PostHogBase.ProductNames |
| 262:223 | warning | Capitalize 'Error Tracking' for PostHog's product. Use 'error tracking' for the general industry concept. | PostHogBase.ProductNames |
| 262:255 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 267:32 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 269:130 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 278:42 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 280:1 | suggestion | Avoid hedging. Be opinionated instead of saying 'It depends'. | PostHogEditorial.Hedging |
| 280:76 | warning | Use the Oxford comma before 'and' or 'or' in a list of three or more items. | PostHogBase.OxfordComma |
| 280:99 | warning | 'Braintrust' is a possible misspelling. | PostHogBase.Spelling |
| 282:52 | warning | Capitalize 'Product Analytics' for PostHog's product. Use 'product analytics' for the general industry concept. | PostHogBase.ProductNames |
| 282:120 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 291:3 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 306:3 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 313:13 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 315:3 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 317:20 | warning | Use 'GitHub' instead of 'github'. | Vale.Terms |
| 317:39 | warning | Use 'PostHog' instead of 'posthog'. | Vale.Terms |
| 318:3 | warning | 'Langfuse's' is a possible misspelling. | PostHogBase.Spelling |
| 318:21 | warning | Use 'GitHub' instead of 'github'. | Vale.Terms |
| 323:37 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 325:16 | warning | 'Langfuse's' is a possible misspelling. | PostHogBase.Spelling |
| 332:286 | warning | 'Langfuse's' is a possible misspelling. | PostHogBase.Spelling |
| 334:263 | warning | 'Langfuse' is a possible misspelling. | PostHogBase.Spelling |
| 341:78 | warning | 'Langfuse's' is a possible misspelling. | PostHogBase.Spelling |
| 346:17 | warning | Capitalize 'Session Replay' for PostHog's product. Use 'session replay' for the general industry concept. | PostHogBase.ProductNames |
| 348:1 | warning | Capitalize 'Session Replay' for PostHog's product. Use 'Session replay' for the general industry concept. | PostHogBase.ProductNames |
| 348:218 | warning | Capitalize 'Logs' for PostHog's product. Use 'logs' for the general industry concept. | PostHogBase.ProductNames |
| 353:17 | warning | Capitalize 'Feature Flags' for PostHog's product. Use 'feature flags' for the general industry concept. | PostHogBase.ProductNames |
| 355:1 | warning | Capitalize 'Feature Flags' for PostHog's product. Use 'Feature flags' for the general industry concept. | PostHogBase.ProductNames |
| 355:220 | error | Hi, Andy here... use an en dash ( – ) with spaces. On Mac, holding down the Option and hyphen key will give you an en dash. | PostHogBase.EnDash |
Contributor
Bundle reportTotal JS (gzip)6.29 MiB (+1.4 KiB / +0.0%) Largest changed named chunks
Eager graph (static-import closure per entrypoint)
Largest modules in the
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css ./node_modules/.pnpm/css-loader@5.2.7_webpack@5.101.3/node_modules/css-loader/dist/cjs.js??ruleSet[1].rules[8].oneOf[1].use[1]!./node_modules/.pnpm/postcss-loader@4.3.0_postcss@8.5.6_webpack@5.101.3/node_modules/postcss-loader/dist/cjs.js??ruleSet[1].rules[8].oneOf[1].use[2]!./src/styles/global.css |
708.0 KiB |
./src/components/Stickers/Stickers.tsx |
696.4 KiB |
./.cache/caches/gatsby-plugin-mdx/mdx-scopes-dir/31a094f140f119e73085d847ae81b99b.js + 2 modules |
584.2 KiB |
./node_modules/.pnpm/@radix-ui+react-icons@1.3.2_react@18.3.1/node_modules/@radix-ui/react-icons/dist/react-icons.esm.js |
481.4 KiB |
./node_modules/.pnpm/@codemirror+view@6.38.2/node_modules/@codemirror/view/dist/index.js |
458.1 KiB |
./node_modules/.pnpm/rehype-raw@7.0.0/node_modules/rehype-raw/lib/index.js + 29 modules |
395.1 KiB |
./node_modules/.pnpm/@posthog+icons@0.36.6_react-dom@18.3.1_react@18.3.1__react@18.3.1/node_modules/@posthog/icons/dist/posthog-icons.cjs.js |
364.8 KiB |
./node_modules/.pnpm/@posthog+icons@0.36.6_react-dom@18.3.1_react@18.3.1__react@18.3.1/node_modules/@posthog/icons/dist/posthog-icons.es.js |
354.8 KiB |
./src/hooks/useCustomers.tsx + 54 modules |
353.9 KiB |
./node_modules/.pnpm/react-markdown@8.0.7_@types+react@16.14.66_react@18.3.1/node_modules/react-markdown/lib/react-markdown.js + 88 modules |
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./node_modules/.pnpm/cloudinary-core@2.14.0_lodash@4.17.21/node_modules/cloudinary-core/cloudinary-core.js |
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./src/components/ProductComparisonTable/index.tsx + 116 modules |
273.3 KiB |
./node_modules/.pnpm/@codesandbox+sandpack-react@2.20.0_react-dom@18.3.1_react@18.3.1__react@18.3.1/node_modules/@codesandbox/sandpack-react/dist/index.mjs |
266.6 KiB |
./node_modules/.pnpm/d3@7.9.0/node_modules/d3/src/index.js + 208 modules |
247.4 KiB |
./src/components/Pricing/PricingSlider/Slider.tsx + 87 modules |
239.9 KiB |
Eager-graph budgets are report-only until a baseline is established. Sizes are gzip of public/**/*.js; eager size is webpack module source bytes.
ivanagas
requested changes
Jul 2, 2026
Co-authored-by: Ian Vanagas <34755028+ivanagas@users.noreply.github.com>
Co-authored-by: Ian Vanagas <34755028+ivanagas@users.noreply.github.com>
Co-authored-by: Ian Vanagas <34755028+ivanagas@users.noreply.github.com>
Co-authored-by: Ian Vanagas <34755028+ivanagas@users.noreply.github.com>
Co-authored-by: Ian Vanagas <34755028+ivanagas@users.noreply.github.com>
…hub.com/PostHog/posthog.com into freelance-posthog-vs-langfuse-blog-post
…hub.com/PostHog/posthog.com into freelance-posthog-vs-langfuse-blog-post
…hub.com/PostHog/posthog.com into freelance-posthog-vs-langfuse-blog-post
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Changes
Comparison article for PostHog vs Langfuse (freelance submission)