It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://blog-aff64f793.mit-edu.top/post/6019235847

  1. <!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-aff64f793.mit-edu.top",cType: 'managed',cRay: '90faea09db738f26',cH: 'zLyyiLPpmm_oaUe_ocu14hiDFOrFf692N9tpLCAi53M-1739178082-1.2.1.1-YJzysjXJ0EIAROkC9Hv2F9FWzN6KqjKccE9UZgMUhqZXmt08LySTIvWfp_GN5ZZN',cUPMDTk: "\/post\/6019235847?__cf_chl_tk=C.24AQXmDvLzmTU8P4EGhf0ll4yGW0FAlXxKsEFsxho-1739178082-1.0.1.1-.NJNC08VBpgvRyCThN6Q2dP6wD.Um5VfbAsiO9eAvMA",cFPWv: 'g',cITimeS: '1739178082',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6019235847?__cf_chl_f_tk=C.24AQXmDvLzmTU8P4EGhf0ll4yGW0FAlXxKsEFsxho-1739178082-1.0.1.1-.NJNC08VBpgvRyCThN6Q2dP6wD.Um5VfbAsiO9eAvMA",md: "79JBSWDzXi543u0jqUf8SswHI04Vak6GO.NPRge99j8-1739178082-1.2.1.1-qaAP_lwZ6.vye8tiMPMyM2XeCxqhdjp4A.HO0TbpDoKeOPbgF78og6wLMlpiQXKPSLy4NEVMHfFIBkf_i0JHU.lllnAXFSu82ZHvAst_RkGwCR9SK.biXl06bITwlHsnM7u17RWME2pTQI1tEudIRtZcSG1TjYXGzbSw4T4Ln0srFb4Gmwg6ymHmydL_XoxhMorHIv02iSKU7z1UsFCaExYo5zN1O8S9TxBh5cHBIMJ2PQS5mLk_U75EG_d7gmmcdPo5L6VbGzgERVX6T3kqTGeH3fznJGIK9PNvCveuuhiHnhI92JlLUB39vQVX87anoSXBmYSfylpf2etupO95Ob_0gZJ54AnIRmhP4twq1uSOsVAMdzxE0mcT8UTRnqbZqsZFiMOY3ZFxIpae4cIEEIy6NF.131tdIu5jVF6ZG7IT5r5oRJmCm8v4cWULnPk1kwymkCoXL55QN_QvK2MRUGasOtHxuNo8Y8wjGoqx.kPF_FI_tlWKC7rJKWPX4K3BBehEm9vZltUJfu6uBAZEhCvZHihIExCBeW1iOsF72IarPuVHunDcWL6gIU5WJCUsZl_0PRdHQH284be1DGFzxVbusKyobVN1c.8AaFt7kHRNzWj.7qUGV9hZgEPboT40NaSwCq_Kz4O_hJcjhZstDSQzJNkZ.STWhVMCZk8tJXCP0FVvbG7ATbkWMnRbVV2miZHj.W9wpSWyNRZq1cKKc9K9kagUqlU8afkk_Ew9FZ4iIscsRyxTQ0OPXDHBCwV6upyP0AMzBPQCzMKNUK4C1f.iGdMwhPo_7KPXKTn5u_kqAkpqE5gOMb60uUzr8piPdPgRf3qKJ5F2p0evDuKHA7WyKBWbfdApKs142BGAkG7A9vUvS6Z2l.T.YXWi5SMWW7zM1NNEplinAqJ247RBsGGU_v9zDPWc8ViB10vmZlErPCUdfdAaJed0A0LhRwckTvgwHld6PgaaQmLiGbgS39jZXdirmoepxFdR.vJHSHhlo9zARWl7S5S4muDd_mV3dR5hMMhBiA.msZQYlBUcqn8qL5cdXar5vsgBzDm3sotSSalyIEarjB8Fx2bWy_zMPpzwRHcHJZp39ePwJThHrVR1LXL_Qbn037wReoNoQXkX97maRgktK2HNDopNoqYpgapQt2.N1hhFXPpP.PSrR5DbZCzM.sjFmzi0IykmucpJsUyVX3W7ju_SmjRdlYU4MVcKwdvyQEfS2zDujERX0DnFFq.GgkrQmUEr96nPBo7lGnhpgI7QTdiJsMA3Y3SLXfDAf4sMLmNLKDo2rtK82XPOIzkNkJlYmDi5uARaaXwGeJmhC9PdA48S.FmsWjiayc95Mj0QBE8YTKqQ00GTXKNW9904n1ZU8282doAl.Y96FrKToF4Do5g6ibfKY5Blyffg5vAW_Gq7T1UPP5pbAioZVthaT_p.CjUOm0gBrPUFpa4JNaDozcWg3xk6ZK.rR3biv98EgZ6DpXWfLEnUI0KOKwaypRqjwu.G3lga3cz538ONZXl6UIsLWHqc4y.GcVnLwMFznmpeXGUJpB170QoZPVywT8umj0k3.0_rrcg51PhpXIv5uTLG_Ba77PviiAMPjWYOQwYJHObrtdt8XwzJU7S3GCKcE6SqkgS844EdNo0pEruewdMNOVa2jbGIn9pay71G1YTeJIvBajQgm8M5dJroqT4WQGGqzXwg6utnDIvJhUy5ZQ6faLJGYJMK4Fw0OmSZpDX93vTVHDBoqRkNgBRNKG2dnE8JrnzfLnhx2ZjYqhzg2vXF3UYB0W1pO4KS.bSmhul.ZVJcig8IUC8yek6eZx_TyCYRDhg9nHhTYC2Fj6M3qWPByIHAyijvfbseutNm37jsAqtZCW9QJwLax3258g.ZzYAurMfx1_Sprw7wBJbU.02diiRsf16mSzwrt6uh.FUk_IUScQ0IQ_7Lu4eKvBYcNgQOyYncIXBY_MLIujWzzx_ocSEi_3v6zAjgcV0MERn4.__oCQAgCGjhcTGUGMa5_TxVgkQAqW_34qPo6581e1cr7BRP5TcDrRXwLQNICpxnFmNnUG3dvRRFfCWqSCie212KuRPFkAHMue34UcbmoHXHQTXbHAl0Qi4OYVqemYjwzjMmyv0l1vmyhzL0KyG_1rgdcgnptK27kKl7_zbvwC0CUvxy5zt5AS5nQMupxgaDRfBkqsxyN_Rk0m8k_5sFZuFLNCl6iwKEOQucGn4_TNa3HbJQwjPi",mdrd: "R8qcnUKRRI0Iy_pM.lriJX0uhXG9qLEFSIiQRfjq5FI-1739178082-1.2.1.1-4TdMo0c6L_MdQ_feWkW2AiPpYYdX3BWADX3MMAJnKOziEFXauT9v6XExuLky.063a_6rN3R.BV5pMsv3rtSNvXFYECaamhQelMGtcn_VV9EfURTu0BFayvHf1l3ikc8WhegCPiBA.gKRWWhzAaEfOmwITB1Q2X4jHF4zLq2vp9fEADwzTsbz7yJ.VUV6HXI18pQcnzyxjmmCuQXd2NP.H4uPx3bF3OqB1buTQ5lhQ6BvYLUZv9KcN3CYKQoxFnBdq.s61voLWMX.Qv2rAuD5Econ66ZeDBXNCKZ6sYn.r1DhqCr3pZ_KQSKXD9BfREyk2USuCm2EutpBw0huxn3g2dFcE0jC7lM5_mlC4OTyl6dth8iOAX8LbhVkLkiFaqcvh_Fiih9vzVK1SljIPOd_HfXXKyZACLyvmXh2QOlQVVmY69ewprZzhXzaRCPds_2l59NKvb1HJ6iaJREZH4NyJVYvJWbiDC.BgmtKx_TIo8Ba14LeEKcXEfZSAP0BjJs_viVOZtR7sqfCI_EgRqsrNF.cz3m57lIdV6BQF65CrFvvbAdLmiY2ZVWfhon0x_XsJ5wfvsCsztB1WLkSFKSu65cnQhWmBox009__r3MDUIk9M95cYuCiLAO3K26tlq5l2AhgGNkU6wJE_j9s5QqeIn5Noi1ldR.VTsZi1sVP70LjI4C6zmD6CiGopoZy7hWde3kt64XfHi._TLzPVBb3wdL8jq36YsK0rMjGXadE0wPJzxXvEVf67x5gxTl6F1eY.FfXUlIb4T4cEU4HlTiFH1o3XhrN6LQtVKuLDB9Wmt4u2j_YJikL4kBUjJxkX2ERbEl1FDNSG3_GQJttR8S0yJZpFJbyT5nlU7SbDxKVUVmfB84D6ZqwS6b.k4EjGTuWayR7UJngdqMVXA71SMH2spqgL9xp_mcrYh2Qhf8i5K46QHpzfxYcdKFOXl9nlhWvxxLR0R.lqrARAVBw0rnmcDJl0N9ehm2u5WhY40xNWsakZm5lPXrbbi6CFQsqfMHrOpBnTEzvPnyL1gJyCATHRhjRS_W.f0Og4zaArVlwtWz7vPzUGFn6_0H.hBwNPnj4_ZHLklyt_cfi.R5VhkfKxunAZLN6iupFiU2yfJm_vbTU74GyXrBSs9mc7ln43Gcm7wjwHxXZsv6ba75QghMuYEm9l2ummSmuKGeJUA8kzLr.9JZL0dMEJk5ltfmp.pNZ4nyEVKV3IfMJVFYCejnsO2o3Koc2DCGgu6LZCxw6CrLDQqskf83uNwD1dDVtp6M.kemDMHfqsxmi62OVMDZzv3xT1amLRWMQACEMiGOP7zuLn94FPS_wlBIpbGp2p.MfhR_ZQ5YbDOuz8.7jhl114WAfuWp3tB.6gZGFjNEkY5eN0oVVdF2TfYaAZdYAapha0Q4oHFFMLeRS0omaXwFyZA0WIvr_qz9hfL6mLul7OuCpnKGNJ3HBvzgJV0auFCtPOlH8UTVzH227YtyXmVWxZr_nNXaxpdfWE2HMoeJ3tE7Tetiv4mUUTsGcMrPLAMwmL_XhUwqlkIcag4X_fu2CpkMKT.vxphZHNQpwYw0Eqe03YALFLB9K2zpQeYo5oK_w623ZHmqmNa3UVIf.8zehdHr6HaLoBLEXey.xDBXBPPYYklbkEv2tSNyDPxP.jgi5ixTdli0SR9N4KPfU90l3pyB23OdrWX_9a3W06POXGD6.iUP76Ghuj8bULpVXDWDTqegp0OTDONd.0PgZWMwaGVTQScm.joG7yMpItQ1HitM9uyxit_mAqxGjsLXQ.g2B4OYtQQCx1pk0ZvAJI9idMg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90faea09db738f26';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/6019235847?__cf_chl_rt_tk=C.24AQXmDvLzmTU8P4EGhf0ll4yGW0FAlXxKsEFsxho-1739178082-1.0.1.1-.NJNC08VBpgvRyCThN6Q2dP6wD.Um5VfbAsiO9eAvMA" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda