| Technology | Version | First seen |
|---|---|---|
| JavaScript Frameworks & Libraries2 | ||
| 16.2.12 | 18 Oct 2026 | |
| – | 18 Oct 2026 | |
| Frontend Build Tools & CSS1 | ||
| – | 18 Oct 2026 | |
| Web Servers, Languages & Backend Frameworks1 | ||
| CDN & Hosting1 | ||
| – | 18 Oct 2026 | |
| Analytics & Tag Management2 | ||
| – | 18 Oct 2026 | |
| Authentication & Identity1 | ||
| – | 18 Oct 2026 | |
| Fonts & Icon Fonts3 | ||
| – | 18 Oct 2026 | |
| Video, Audio & Media Delivery1 | ||
| – | 18 Oct 2026 | |
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt4.aspmx.l.google.comalt3.aspmx.l.google.comgraham.ns.cloudflare.commeg.ns.cloudflare.comgoogle-site-verification=m6LD86b9VkfGepNPPF1utf3C4hOoKoz1_C_g61bYV5Ygoogle-site-verification=8Yc0_jW26sWHL_W93XJKDtDS5Jn_7prT2L6tAWFKiHQv=spf1 include:_spf.google.com ~allv=DMARC1; p=none; rua=mailto:07df55d55e5e4346a916a384b16a2bad@dmarc-reports.cloudflare.net# Static on purpose: Cloudflare edge-caches files in public/, and nothing here # changes between deploys. /sitemap.xml is the dynamic part (app/sitemap.xml). # docs/sitemap-and-robots.md has the whole contract. # # Content Signals (https://contentsignals.org/ — spec draft as of 2026-04-20). # The directive sits inside the User-agent group, like Allow/Disallow, because # strict parsers ignore unscoped top-level directives. Revisit if the grammar or # the signal names change upstream. # # Plain prefixes, Disallow before Allow. Google matches the longest rule and # reads `*`, so it would accept `Disallow: /admin*` in any order. Python's # urllib.robotparser applies the first matching rule and reads `*` literally, so # for it a wildcard rule never matches and a leading `Allow: /` wins everything. # Written this way, both read the file the same. tests/robots-txt.test.ts. # # A rule is a prefix, and tool pages live at the root (/beehiiv), so `/auth` # would also hide the tool /authoredup. `/auth/` has no page at its bare path. # `/admin` and `/dashboard` do, so they stay bare prefixes and would also catch # a tool slug starting with those words; none exists today. # # JavaScript under /_next/static/ is deliberately crawlable: Google renders # pages with it, and blocking it hides whatever the client renders. User-agent: * Content-Signal: search=yes, ai-input=yes, ai-train=no Disallow: /admin Disallow: /auth/ Disallow: /dashboard Allow: / # Sitemaps Sitemap: https://www.bestnewslettertools.com/sitemap.xml # Agent catalog (ARD v0.91 §5.1). docs/ard-catalog.md Agentmap: https://www.bestnewslettertools.com/.well-known/ard.json
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| 18 Oct 2026 |
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| 18 Oct 2026 |
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