https://zerokit.dev/blog/ Developer tools, AI readiness data, and practical guides. Free, no signup, no tracking. en Sat, 11 Apr 2026 00:00:00 +0000 https://zerokit.dev/blog/show-hn-ai-readiness-2026-04.html https://zerokit.dev/blog/show-hn-ai-readiness-2026-04.html Real data from today's Show HN leaderboard: 10 launches, average AI readiness score 38.5/100, nothing above a C grade. What the numbers say about how builders think about AI discoverability. Sat, 11 Apr 2026 18:00:00 +0000 https://zerokit.dev/blog/movers-week-2026-15.html https://zerokit.dev/blog/movers-week-2026-15.html Auto-generated weekly snapshot of how AI Readiness scores moved on the live leaderboard over the last 7 days. 21 hosts tracked, average 45.6, top 91. Sun, 11 Apr 2026 12:00:00 +0000 https://zerokit.dev/blog/bot-cloaking-big-tech-2026.html https://zerokit.dev/blog/bot-cloaking-big-tech-2026.html A cloaking audit of the top 25 websites. X.com blocks Googlebot with a 404. WhatsApp inverts the cloak. Netflix serves bots 5.7x more content. Live data from our extended AI Readiness scan. Sat, 11 Apr 2026 00:00:00 +0000 https://zerokit.dev/blog/copy-our-config-2026.html https://zerokit.dev/blog/copy-our-config-2026.html We built an AI readiness scanner, ran it on the top 100 websites, then ran it on ourselves. Our score is 91/A+. The top-100 ceiling is 74/B. Here is the exact robots.txt, llms.txt, Schema.org, and meta directives we ship, copy-pasteable. Sat, 11 Apr 2026 00:00:00 +0000 https://zerokit.dev/blog/news-sites-schema-audit-2026.html https://zerokit.dev/blog/news-sites-schema-audit-2026.html We ran /api/schema-inspect against the NYT, CNN, BBC, WSJ, Guardian, and Reuters homepages. The results would shock their SEO teams. Sat, 11 Apr 2026 00:00:00 +0000 https://zerokit.dev/blog/three-files-ai-ready-site-2026.html https://zerokit.dev/blog/three-files-ai-ready-site-2026.html ChatGPT, Perplexity, and Google AI Overviews decide what to cite based on three files you control. A practical walkthrough with real data from the top 100 websites — plus free tools to audit your own site. Sat, 11 Apr 2026 00:00:00 +0000 https://zerokit.dev/blog/devtool-ai-readiness-showdown-2026.html https://zerokit.dev/blog/devtool-ai-readiness-showdown-2026.html We scanned 10 of the biggest developer-tool sites on AI readiness. GitHub, GitLab, Vercel, Netlify, Cloudflare, Heroku and more. Real numbers. A few surprises. Fri, 10 Apr 2026 00:00:00 +0000 https://zerokit.dev/blog/leaderboard-ai-readiness-2026.html https://zerokit.dev/blog/leaderboard-ai-readiness-2026.html Interactive leaderboard of the top 100 websites ranked by AI readiness in April 2026. Sort and filter by llms.txt, GPTBot/ClaudeBot rules, bot cloaking, and LLM knowability. Data nobody else has. Fri, 10 Apr 2026 00:00:00 +0000 https://zerokit.dev/blog/state-of-ai-crawlers-2026.html https://zerokit.dev/blog/state-of-ai-crawlers-2026.html We ran a multi-signal AI readiness scan against the top 100 websites in April 2026. Here is what the data shows about llms.txt adoption, AI bot rules, training data presence, and bot cloaking. Fri, 10 Apr 2026 00:00:00 +0000 https://zerokit.dev/blog/ai-readiness-guide.html https://zerokit.dev/blog/ai-readiness-guide.html Your website either works with AI systems or gets ignored by them. Here Thu, 09 Apr 2026 00:00:00 +0000 https://zerokit.dev/blog/what-is-llms-txt.html https://zerokit.dev/blog/what-is-llms-txt.html llms.txt is a plain text file that tells AI systems what your website does. Learn the format, see real examples, and create your own llms.txt in minutes. Thu, 09 Apr 2026 00:00:00 +0000 https://zerokit.dev/blog/website-security-report-2026.html https://zerokit.dev/blog/website-security-report-2026.html We ran 20 of the biggest websites through our Website Grader. Amazon scored an F. Google got a D. See the full leaderboard and check your own site. Thu, 26 Mar 2026 00:00:00 +0000 https://zerokit.dev/blog/css-flexbox-guide.html https://zerokit.dev/blog/css-flexbox-guide.html Master CSS Flexbox with this practical guide. Learn every flex container and item property, common layout patterns like centering, navigation bars, and card grids, with copy-ready code. Wed, 25 Mar 2026 00:00:00 +0000 https://zerokit.dev/blog/dns-lookup-explained.html https://zerokit.dev/blog/dns-lookup-explained.html Understand how DNS works: trace a query from browser to root server, learn about A, AAAA, CNAME, MX, and TXT records, TTL, propagation delays, and how to troubleshoot DNS issues. Wed, 25 Mar 2026 00:00:00 +0000 https://zerokit.dev/blog/hash-functions-explained.html https://zerokit.dev/blog/hash-functions-explained.html Understand how cryptographic hash functions work, compare MD5, SHA-1, SHA-256, and SHA-3, and learn which algorithm to use for passwords, checksums, data integrity, and digital signatures. Wed, 25 Mar 2026 00:00:00 +0000 https://zerokit.dev/blog/how-to-format-json.html https://zerokit.dev/blog/how-to-format-json.html Learn how to format and pretty-print JSON data online. Understand JSON syntax rules, catch common errors, and use free tools to validate your JSON instantly. Wed, 25 Mar 2026 00:00:00 +0000 https://zerokit.dev/blog/jwt-token-explained.html https://zerokit.dev/blog/jwt-token-explained.html Learn how JWT tokens work: the three-part structure (header, payload, signature), how signing algorithms protect integrity, and how to decode JWTs for debugging. Wed, 25 Mar 2026 00:00:00 +0000 https://zerokit.dev/blog/regex-tutorial-beginners.html https://zerokit.dev/blog/regex-tutorial-beginners.html Learn regular expressions from scratch. This beginner-friendly regex tutorial covers syntax, quantifiers, character classes, groups, lookaheads, and practical patterns for email, URL, and phone validation. Wed, 25 Mar 2026 00:00:00 +0000 https://zerokit.dev/blog/ssl-certificate-check.html https://zerokit.dev/blog/ssl-certificate-check.html Learn what SSL/TLS certificates do, how to check certificate validity, common certificate errors and how to fix them, and how to verify certificates from the command line and online. Wed, 25 Mar 2026 00:00:00 +0000 https://zerokit.dev/blog/what-is-base64-encoding.html https://zerokit.dev/blog/what-is-base64-encoding.html Understand Base64 encoding: how it converts binary data to ASCII text, real-world use cases like data URIs and email attachments, and when you should (and shouldn Wed, 25 Mar 2026 00:00:00 +0000