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-642059462658.mit-edu.top/post/5246389701

  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-642059462658.mit-edu.top",cType: 'managed',cRay: '90fcb0e86db30606',cH: 'Do7Ih49.JnlfeNNCfwSN1Ka0jWAu1zOVhla1WuYB79U-1739196714-1.2.1.1-wNrQN7w0Xfy4nGvbKav5q.tJC1odfPCMW8KYL7wnatIcapIaMQdpc2MHlz.38jdj',cUPMDTk: "\/post\/5246389701?__cf_chl_tk=O1UpTrs69b4G3wMzN.Ck2krYkbmmlY5hm1Fs3bTjzqs-1739196714-1.0.1.1-zIlUZjInug1HgSiUySKloz4g2z7e3jrl_V81gR0g808",cFPWv: 'g',cITimeS: '1739196714',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5246389701?__cf_chl_f_tk=O1UpTrs69b4G3wMzN.Ck2krYkbmmlY5hm1Fs3bTjzqs-1739196714-1.0.1.1-zIlUZjInug1HgSiUySKloz4g2z7e3jrl_V81gR0g808",md: "NxxsdCeL.m6Df20jQwf0omwmEltAiEoYeGpvIxm6AbU-1739196714-1.2.1.1-NxmK1qJKRX3CIrAwPIXEpKleDVJdMcKG2ACULBuwJW4KZfiWhIX6SS1nHd7d6.ACRrauOM0SbaD1AZYhFSTO6nVrGe9tTkq1VA2Atr2jnh7kNO0UPC6flkZ30hOz3sFsMzQd10_HW7zK_jopqd2xIuiKnpKL4F82p2ywriQe2yd2utYa9.RolaekEeG6s0_TzIkVCm6XSZaACYhbQi5CBfjqSKboKJZx7hH.D4pSbOuJ3UM1GCFVkSIqb1Xf24gzNmIf6G6_VLkb6hACVKRHttpgAA.uvXqutXXKSg87fXCdDSnAZ7jMo8w5QxLi7EcJM61Sub15lIRWt8ZN3nQn2wKqUiUAYB38vNyIoP2SXOmWrPvWowEwC..NAcESVSbiO0nrP7tLBMJrOSwpqCOErN4oyELH5v4vR7z2_jhptgB_.iOSMWcEFNQNu6FGLMd_vOyAmBrMYVG0oOq1Ou_0SyGKjiv428pCFgT1nBzWO2MLopRuZhk2Yvcus0V83AB99HmMBtTh8ycpprfXvkIpgbEeyckCkMXDiXuj8s5oo3NzzB_Mbhnj.okI0GGguh.89oE37S2ff2upsr0Dat16z6siFOf_dJCHrZ2xQ2shHn.Li.vLI0vI4M2OIUJ_eWBFEGTCo6GIJMT8.znYz8HM09xNytW0q_eKMIuXdb.BBZoHSRqgdmEF5s4ZWX.d0ze9t6eR4suePTB7FbPtyi90rNK2MSi0WcA59TvOkxj77d_GMU_kmYapqbnpa84oNmyZtD55ZcjiNmTMAgrDDCbbL68v.ZT2zzWszJBLzTMvCbXr0A_8gMj998kFaL054Mg64Et_KGVwXmAU2dMelC9.fue6.WjQu7sBk5Zhx454xbJYwRcfKspjePfoM94HxB9QHbZXvTXNJ8zsys.9pESudpT.moTwUulwrz0l3mTI97aprMgv7c0.1XXyw6j1H5IgB1O179smtWuU0sR6f9XzQyh.h3BV.kW52_CcjmdaRLp_PX.TEGrHa_DndvIAMhMH3CdD_k58QS.4iKCLPgNUYtJVBvoPCMCqojSRVfYGauYAaU_UXj.C8yhv2LWfnIoaD_aPPMiv3kQIRSsqmdRKUjjzBPSQfyFODnsnEUN1GWKgEDq5rdK.Bj5pV3WX5YVev.HlqXf9t_h05fH5vto19wgojASpwFts.DrHmuCw6cexE5PWNMECBhk7Zv28fqtkifNx5zJ6VNdrrLPAitRL3T2CPe3X2t4kgEyn.gQuno_I_aOTorjmtTZ.L5m5Qb02FZfuwJmEp4sGxN9zEjVSVHD.uQ.ZoWWHVzWX_n6oNdQAsyKE.5xh5uT06p7M3LirnWutSkduX0pKu4Bj3uD6pzDynA.kGTPkvszy5MHDNUWQhlN45ZSzFEx2vVFrtIc2JWEcenizXtF18k466u.VZFAs.mwGy1efKYxFBo.Gi9TfUJkimlWlWownID.QiF_HHhKgVqPYpfMkeKtekak53ryW7IbGKj3KVhugkGTS3NaGy8yYU_9r67oMD4fcR_td6d0rKEgbsmfC1o1YLCdAVQaBh2HjMqdbmIXF94M0ay.T1w0kjt.ivNoKZ8vAHJbMuTLDtX.BKBmyV30Z6OnrL0Di8zuKntOpxw_sN2Y6yOWA4r.ByCSe81UXod3yc1j2P0WsQQibBVENjupKoYu1yG9rf_zNw0KPWEovcWkyr7Hd9S85p0Jo._L5WA6NQEdp6A9xicdADNtcRXTJO054bi3bd6v5YCHkTrwXu16WRiESALGcvXp_.3iWheb96E03D7zgec9zMig_tLjURXjzAK77iGeRYsr9gAYKblehwhAGfhtJ3UZNNniWQyuKTtynLLUag8Ro8qLUW2mkLogdqNh2q9c54M7uYl2QfkVYhEo8VkvWzaE9LC8zjp.3ntcaBFurJIn8Fkz8j0l7fw979cSuUhUu2wgdgngOAPP2UuZCwlzpyNAQrFavWI6Xk6ewcLLz2GNTeGpo3Lj6isHNpLdXOHRZcIwXGxCe.xxPWKjrB7F6w0Y4GEkkye3ao6GR.2nXFqoRKZXR9ZhUlD5UBb9s.CrKIX7pjuiK9FI4.PEH0X3SzrARI8EpMdgZSVBJft4P6E398bukZzadcNcKZn83xA1i7rUm1UgXx4Z5Xplkyw6hh8LOm0VYgWyadEBCxcyY9uXBa7qS_gpohog9lvwdEAFKEJpJxIGvf6uE0VFlT.AAOcxdbHu2mtXiMrjS",mdrd: "BiBvPqs50jMefCSjB_xVKx0XdCsJ4Y915gVBaWRZRfQ-1739196714-1.2.1.1-vvOLMUETIibgw89kECXxDdrLXfKtqiYbYJV6RRV4RkAV2O5skR_5Vn19zqlwG0PtD29wZ4DX2JRmg40M_xoV50RMaGNL9Jvx3lSTm_FoKfzzftnKXhULwX912yTOhv0.tNQmp0KIGM5Ww3oqv7TeKJFT5P73ShLlrdxjPymavFpuBoX8fLC0_HOyJIAdzDxtKPXk7rmp9RcgS2PrOahur1ylktl1ZQ3Rv__2xuGuoSFTKS4S79_s7l2bOrCzDOShl8UB.fyOsObU_yEWFjnfr2uEZe57BPnuMh4oj6Hlvd1IFDn_D.gsOHoLFOegUaS.Q5iVKHmrZedEoC6cpd9xeOKw0rOP5v9xcZ1eJvqpUQX_CvQySwCGQv3GG4LsDRKvoI4lsjfNeIlvokj0W4.nV6NNQOUSEg.3pD9yJE7j7xDsDtOmw1nVQqlTDUgn8_X4BLMqhOO0xzSwbNP4ud36O44YaM8pt.yAkmO.TCUbPgwNnXl0ZyjPsErIPH6ESAtDLB6hcBHp_0m.wSRtIbP1fYQKhGe1GU4W9QrasUEytO46lZAnSwd1JjbOlTpThhABYJ0HRsNbRX88l2y01GvdcyQffdcvThQ3W3oRGJLt4RQpsTDgqRKN0oJpsKpzfjIU1l2uqM4vIAGWzOin4uuA83Jprzt9UDji.wlDy7YsO3GSlOak_DMeWEjmcItsubp_AXImZPA4F5sCGADbW94OilQXLnjTvvD.WW5Bmh7KhsGswARtaYg4mqmhWJ32hbu3Ayqdsq9XxJHbrKTdjo9UTR6lvkbZnDuwa2h1_6zTZwBeA_U_PB2Zac83oIBUgmhu415RKf9SpdD4rpLRGtsYPBu9_nzfkZM6D7yzCPcpMNmDhBgy_z2ETQb0EZ06lPr14RSE16bA3dRts4Dsdz.fcB_g0J56oPcEM.eixhUEv.sIWdL6AcXZBlJnOZAAFiN3JPjalqU2K5qBffEkWIPfxZj7bwOx1HiNbN2YaJLIh944E9nC43fNtiEopGg9f_9g2DElK8HmZsxdwRtobh6LDGrMK2UqkUcFU8pY1N14_smZo.Wq50wtpwOUc0AT_Y8ZqfgJdGsbWxLooEDvDygCuZykO5X1Ood9DS4xWyu7qwRqftPVliQ2pLmZr7tfrtRuRxmEILQj_fWOad07i0G5pYZ73UhHt9MLcNLfeedpHfJwoIX6rk0is7nhcSfXlVJLj36Et__H8xme0bXW.7Z1wXDEUFfPiv7JfkwRBqHBa_gM.7gh6UbMZzp0d5N2qJ1DQC3ztY1TKpUY03xNls6C84Gel0EOsXdEnNXCr1x5r5cPmvexkTweQYfnYe_mRVk3TZGuLp7QDNK_lw0viW9JE38iyaXBsJ5qEXjzn0U_w1oO39107h6dhhrQxuPxz9Nn_Oz3fSBQoHZjJjO07fJA3ONlskYGXw9Btlgbo99vAgzB0Z878G0DLI_svmh.2678OdCbNli0A9JGr17q2QqWf6mGMpLSwQwIFdV8bojZsr5Ml5BvXBXg7LA5lJuBhRJl2ud5SQ1AS2tzs8VI2ojL1KXrePWvwQPMpTvTl3bgij0z_xODDehr_rvFyijOvs9Stxfbj2jzYCh1Otn9pGhWfm3qRlzd_GKGkcY0RRMlZoMW9wfjyRV_8fDBGp3byo_DFzUV39klEgmnP4TAMgZpiJ3VjuR.SU_gY6SnUyTLaVF0PxQjW33Pje6udf_w7QuH5ucEE8ZU3QaAJHoz271fiA0me3GALTw3jB3izACaQvD9N74HHUL9EjEPHLWOwZCVGdESn4qP94_uz_fME3fn9QYht2iInnf9jU84V1wmjVqN55oJBIAMznLmVNdAHt8s"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcb0e86db30606';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\/5246389701?__cf_chl_rt_tk=O1UpTrs69b4G3wMzN.Ck2krYkbmmlY5hm1Fs3bTjzqs-1739196714-1.0.1.1-zIlUZjInug1HgSiUySKloz4g2z7e3jrl_V81gR0g808" + 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