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-4568903172.mit-edu.top/post/8574129036

  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-4568903172.mit-edu.top",cType: 'managed',cRay: '910fd3f8bb51e607',cH: '.Z6JDcYQ4qCxrF7w2IVhCPs3CYbv_6plG4Qsz0YOD2M-1739397379-1.2.1.1-WGZ.5DpQ70BeTU0pCTkG51bpt3pe0XE.Qw.ByEAnXMIgs5HcemfSgUEnLUOUQnz4',cUPMDTk: "\/post\/8574129036?__cf_chl_tk=0fGI8bJKMSlr24fb3ZDxm.UEYbVu3TGcU9VfaqdZK8I-1739397379-1.0.1.1-xmCGRwVQNz9SviDLIs_g8MStVYnZ_.BP95jDa21OOMI",cFPWv: 'b',cITimeS: '1739397379',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8574129036?__cf_chl_f_tk=0fGI8bJKMSlr24fb3ZDxm.UEYbVu3TGcU9VfaqdZK8I-1739397379-1.0.1.1-xmCGRwVQNz9SviDLIs_g8MStVYnZ_.BP95jDa21OOMI",md: "C5UOyE2sgrdYbd26rIDEiS.VckebiUsu3lbajOa3Ijg-1739397379-1.2.1.1-YQ6inECcrVnbYyDBwcW5vLjAr9CTt8ya7c8h.oLXigWMvQ0XlgLpt63_u781yXTLMzY39CFy7Z9OVKqHmVXXq4Nu.W9wpIjnerERVf5ODBnASyN32leyODl2_oaENHNnoGR6q34L4VJIRjhEgoB.F.LZnN7gzMSKAUcUp2vySDCmbsScTmWxVPjuogJeTrIgGgFHVpgAcOQai3OFnS1MTfvmUaWpkhMxb6JlacBL.Cb7rb_fCBTpVbm3vkFWwnaSTI.iH92FJeNNcAEi4vRc.0BsRGfYXcyMmWthUcByTxztVH7r_gXYxB4RKx30lSovJYnk.5aNqKieI4hC3xcMV1DYTG5nR3OOl92XSXMakXdjrMES72fICgHutXy.UUK2Xy_rrxOxVaHuSrVNE716dahvPej36ToHClSnKpVOW8b32y99nluICPu6Pnu75shMTGXuQGIsS17bBBthWaERweAM3w5fu5uk6ILy2IQNUy5OVEEaAWkMTqNfCMA4P_iDXl1Zizah1TozU6NQUpnZcEUnxowa3ipb6BBWWv7m1v.VBS8SBEdwzOM43sAxPi.H1aUFmPW0OYYQjcGFlCmOY3eaEHVQ6S0fop_fJUcx7u8I80dBBHPYXD4V0Kw7fuEI6EJToOI7RETnqlWZRpWRdS9uQz00ugJ6_mBZSzkadXNY9XnGoi8qBlp8WxmmwL.ODlFrPCDAsKx2Qz6Ez2zlACHcGCr0FRrUf8mo9lb64jd_epJ1v0s.ijdA.JZZOAfGiFW2jfUHbIdNx84tG.Lrr8Z2gmzor3sYw62m.yrRO6euWOeZGUgsspJOpwGbs_1Ohirl3TWhKVY86goEvqdobVkbaB5mktu11cL3YmWcb7RIh4zYdR87hMU1EHAiZ5tU8A4.chy9xouIVZPtVCztmnBfbwGeYxgMYpIoP0ZvQUuLLPVv59KKl9emc.2HnB5kbonE9E06frXMnSv5PoSkULYDdxskohIiW99NrTsKnghO5o.8MSUbe1xy3islCxYwHxC5f5cNSY8FWtsaLW4U0llmQ7fgAllGlphw.FDwTFS3ogQ2geI4xVBr5DULhHiAKz7el64pJeGAEFO1LSAuLx8283Yi7VpmqyVaiBMFPqTwjAiDmXycNLbeNGeUdF5Lhc.JH5158eKh2YsJb4uLGXNgYuQkYbgavvuJuQP_N8Ewcj.03NSW9QN7EJBPEleHL5c_Bk_c34Ssw3KlZ6xKCXtljythzeugOqY_8hN0Enm5IUwr8ztm0TrWFwDOyV34OhtFz1c07pjxXIKNQYaBabhdoeeaz3tThg8jKHCKfzgrf4gD4HDkEEP1VBIqRb_2ScU5mOjm.SvnLWGd31bavH8NzY_JBJeDJ2Q.htr9Q.N9aEqiAuijfIG6YR6l8PohZyrqesAljVQ6SAroWeHvRTNPg0bR23K72fhShMxZAJh9q.dQKyeERt2cyfAnEV2swjYcvWRMJCL6RtZvIGeToAOjP14IL5goDIt_Or4itz_I5ryVHXy72hnpvXBKpb9AwvijHl9ubTKuin6pVPTkHVeLcpxWZWAIJ4e59uT7NHMVdSZYlYGIWOEHGEqg8F638LuzJsc5DGvECYWNIHTzuvC4nUevgFjktQjXFrv6jRmsbmrphO60LdpFV4dnBKvutGu3itwuWJfYXBhswkDHaaycmMso_Ih_.Lek95b8Hl.RJA_hqM7oPCCnBFEwL90iGhIKk0.WsX6uZ7gaUXtxWKDkHa9s2CYk6dxx7e5vIQeZC65QFp9P.SfJafxs1lh3R2ciubz182lAVElXhunWcw8kDG6gITfOB0ednQ22bEh2so9u7afadvSWDhtDyfwYjyFa4cQRVkexFACiBYL.RCBsCTbhfuPgpS_skuBQDX65LcNuHxTyONGZhuv8tkVKjjAADnL9az_Yu8cuVylL6MlmZvuo4BBQPxL3CETVWkWmhSdnRyZs7L6ztAWiSa3dWGbljcRi2n17r9g3v64ho_a84yeJdYcstwYamRPt2FoUrVd10HZQryzqAnjsHvmQo6k2z6mFVC1d636sEBXO.IpMbPawjR2e5aHQtCgMBHxIo5nUN5MMn1cXschYKMxua6l5xFn6WA7_rAfLaKN0FXixcgTBRUrLjI5Ng.4nZrC5DlHD28ifkjmaPjfzwsJ_vlgBcK8XHGGnky3mFEVIHYvPkiZyu7sLTmBRZtZAFkHSiWJkXaVrATrpBVqxw_n7",mdrd: "xNG2bjIbGSGsFXBgZr4mD_WCV34eEQbDLou5CrogxsI-1739397379-1.2.1.1-mrA4jVl52oDr4DzmWngqrY9fz6BB3n17tFCy.GSaaUAelFmYuqTiCPUttU79x5Hxt4YP5KJFWMhPhjA9XctMYrCc.N.6U_QUG5G6JGguvU9aoIygNbo87cmbzJU4aqx7TVefzvWlge9XrPVjaro.WxJIADTW0agRe4OtwWsOVkP8R8RkLUbCQ.26DyJ0GF2QBEYY21ascl95Vhx6I3rf8N4EjPHn9Bf6MC4haWhHCKi5668kMysntAJaopBFRbh37grLZEL0_n7eLs8FugWcGQ_opX9yY8Ewk4vGXKfTIvEf6vQe1iLGhkuXFTlbfgrZjIlZqYtZLdPDA6YnEPmne7DBls3g5PTOo75BV8vaAdSdJsgAR3UladwCANHwpU21SqncpYBFZTnaDvUDXUfhU943y4ncyf4.w596sjvAJHWj1feWOPbwEnLNrgBz1keOawpJQBakrjlcqFTwTLUxEknSeEMSXDwyEoPsSoZlFyzqNpYgbREZhfskta6j_Au.eeMmHnjQ_qimQYiYqXF6atxbEro_BfF1KkCEYIhMrVk3d_TMUnrl5otv_ZFsUptW6IF0_DGm3olESCTN04Cqx9WlCgxXX_ZncvDpuiVUx8eICVyGuHfpEuydhQzS7VFsi2MPVvXRxJaoGm55m1ecXUPTjeqYIss6X1vIOHcbH9VEyqUxLy8kZtdYOZyVY5zIOlLg_q8yBPy.Qz.1U9WtF_L4IO1_tM50JS0C7ec0XnYl8uTcI4KFmPQ..qgr.AE3ISpsFGyK6JLWSuAuMJ2_jvf4_I4hQfHf0XajyvjpTWk3VeBJJ5oQKkLNjJBKEYIIiXKQrSBKmsT293Afe1tYaIT0OK0znCzDetdA0IaWU0q2olRJ9lAdrExG3y0f7zc5z7YTYtOHBYCr81Q2.uYZoyl7KZbag8TRZ2j9CAQsYLDYVhLAtRffHcPapg2lI_CXy6Vwf.fTF5OOCm3h4Cs.iUQhsqiDrxbsb2e4kTR6SFMfMZKlv72PtT79idljhUcoqAR48L6.HFjA1e9wanwjK_37k0xfKwm0vSm_.zui2pTTYOcsccQC0qjRaFwFAf6SYTK9ib3ghis2p.YZj54qvhp_5mShfLgjPmyc1h8l3C21FCDqi388LRNoO1xMRUOonTfnEgJM4OcYpngl.7.cyI1Q9GNGX9W0TJEPWiVbXeoLSiNKshFyoSyHDZoAVFj.v56jhJJqn9MDdwYu9fkRjwlmqBM2f5yI4CsUaMC.QxHhEwQFFUk8W9pN301dXxtXitqWqAg1RV2zP4wEUx4pBKykO7FQeweXZH7bUtHZd3_j_aCVjiaVeKkSP6Ly5YBcx0cHam5LZ4NTHEVwyqY7UhXP5pm2jWlqmjEhbEMJ01jy_gHPPCEvADoXlOusx8QyHks5UjPQ32Q2UrNxfQ8_eCIenFLx1cxhiTImqBH6Jcv7ILIwKW4YOOMjepbfJ7Tv7vYgprIYx5CHpzi5IZdxqaQ6dqJ6WApYzpNlDD3r4AA0y3CtGR63k6uieNwq_9mZZerwXiQesB1AxAbf.Exg690173JxzqanFJcg4A3naIvSo_6XwbcbR0OqObZKnJAaV0oUiIapBQvcmgvIWc8tf1Q0Egfk6IAlegLpK.O9KsCXOxGStC9sPklnTRaxeD6LzqQRYK26IkFGI3DlkczU4AIBgxLm7HFn8luxCSJo3cuEocqEfpy9q4xKFlJpw..ff5fI5CMuan1mVllrJ1e6yXEXnhuiOkIS3JHcWfK5CN9dnWGiv2owQQB4R8DnjA3GkP.xvLlgAURcBJgLBcHIbfBkt5ZXN1aykxoQTEikea4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fd3f8bb51e607';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\/8574129036?__cf_chl_rt_tk=0fGI8bJKMSlr24fb3ZDxm.UEYbVu3TGcU9VfaqdZK8I-1739397379-1.0.1.1-xmCGRwVQNz9SviDLIs_g8MStVYnZ_.BP95jDa21OOMI" + 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