Block crawler access to dynamic explorer routes and optimize caching#796
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Search/AI crawlers were walking the /transactions, /address and /block pages as an effectively infinite spider trap (each page cross-links to the others), running uncached server functions on every hit. This generated large compute->CDN egress around the clock even with zero human users (production logs showed 100% Applebot traffic on these routes). - robots.ts: disallow /transactions, /address/ and /block/ for all bots and Googlebot (removed from allow lists). Compliant crawlers stay out. - middleware.ts (new): edge-level enforcement for bots that ignore robots.txt. Matches the three route prefixes (catching both the page GET and the Server Action POST) and short-circuits known crawler UAs with a tiny 403 before the heavy function runs. Real users pass through; all responses on these routes carry X-Robots-Tag: noindex, nofollow. - next.config.ts: edge-cache the explorer page shells (s-maxage=300, SWR) so repeat human GETs are CDN hits, not fresh compute. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01EHCQFhXU1zen3gmq9ZMbHJ
Protect dynamic explorer routes from crawler traffic
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