Change Product for Engineers -> build mode

[ivanagas]

Changes

Update newsletter form + a bunch of mentions

Checklist

• I've read the docs and/or content style guides.
• Words are spelled using American English
• Use relative URLs for internal links
• I've checked the pages added or changed in the Vercel preview build

[github-actions]

Deploy preview

Status	Details	Updated (UTC)
🟢 Ready	View preview	Jul 13, 2026 06:47PM

[github-actions]

Vale prose linter → found 43 errors, 467 warnings, 74 suggestions in your markdown

Full report → · Copy the Job Summary code block into an LLM to batch-fix issues.

Note: Too many findings to show inline. See the Job Summary linked above.

File	Errors	Warnings	Suggestions
.claude/skills/x-article/SKILL.md	5	16	0
contents/blog/how-we-built-email-onboarding.md	3	13	0
contents/blog/why-os.mdx	0	2	0
contents/docs/web-analytics/getting-started.mdx	0	5	0
contents/founders/dev-marketing-paid-ads.md	6	17	0
contents/founders/learnings-from-elon.md	0	16	8
contents/handbook/content/index.md	0	4	0
contents/handbook/content/metadata.md	10	14	0
contents/handbook/content/newsletter-ads.md	0	9	0
contents/handbook/content/newsletter.md	0	8	1
contents/handbook/marketing/email-comms.md	3	18	1
contents/handbook/marketing/open-source-sponsorship.mdx	1	22	0
contents/newsletter/50-product-learnings.md	0	15	3
contents/newsletter/b2b-startup-marketing-strategy.md	2	14	1
contents/newsletter/beyond-the-10x-engineer.md	1	10	7
contents/newsletter/build-features-users-love.md	0	18	0
contents/newsletter/compound-startups.md	0	12	3
contents/newsletter/first-time-founders.md	0	30	16
contents/newsletter/hiring-at-posthog-lessons.md	6	9	4
contents/newsletter/how-to-not-breakup-with-your-cofounder.md	0	13	6
contents/newsletter/how-to-uncover-your-users-real-problems.md	0	5	0
contents/newsletter/how-we-decide-what-to-build.md	0	24	3
contents/newsletter/how-we-work-async.md	0	15	1
contents/newsletter/ideal-customer-profile-framework.md	0	22	1
contents/newsletter/inside-bolt-dot-new.md	2	9	0
contents/newsletter/misconceptions-about-analytics.md	0	19	0
contents/newsletter/mistakes-weve-made-at-posthog.md	0	15	2
contents/newsletter/pivot-your-startup.md	1	24	12
contents/newsletter/product-for-engineers-1.md	0	16	1
contents/newsletter/remote-working.md	0	10	0
contents/newsletter/saas-pricing-lessons.md	0	20	3
contents/newsletter/talk-to-users.md	2	9	1
contents/newsletter/the-companies-that-shaped-posthog.md	1	14	0

[github-actions]

Bundle report

Total JS (gzip)

6.30 MiB (-0.0 KiB / -0.0%)

Eager graph (modules shipped in each entrypoint's initial chunks)

Entrypoint	Eager size	Budget	Modules
✅ app	15.57 MiB (-0.0 KiB / -0.0%)	report-only	1942

Largest modules in the app closure

Module	Size
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	709.8 KiB
./src/components/Stickers/Stickers.tsx	696.4 KiB
./.cache/caches/gatsby-plugin-mdx/mdx-scopes-dir/31a094f140f119e73085d847ae81b99b.js + 2 modules	614.8 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/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
./src/hooks/useCustomers.tsx + 54 modules	355.1 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.es.js	354.8 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	351.4 KiB
./node_modules/.pnpm/cloudinary-core@2.14.0_lodash@4.17.21/node_modules/cloudinary-core/cloudinary-core.js	281.9 KiB
./src/components/ProductComparisonTable/index.tsx + 118 modules	275.6 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
./gatsby-browser.tsx + 41 modules	239.8 KiB
./src/components/SearchUI/index.tsx + 73 modules	223.4 KiB

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Eager-graph budgets are report-only until a baseline is established. Sizes are gzip of public/**/*.js; eager size is webpack module source bytes for the modules actually shipped in the entrypoint's initial chunks (post-tree-shake).