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-affz9o7p3.mit-edu.top/post/9074532168

  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-affz9o7p3.mit-edu.top",cType: 'managed',cRay: '90f3a9b11cdc20a0',cH: 'ZZ0LQwsS2umXQTa67TRoHoEhyLBwlT1Znn.dI8s1ktw-1739102046-1.2.1.1-Fd5eoXcCL8UsBqxWFircrHRocHfjJdIBvSow0WmvR2k3g4w3sZRbkmmRrn_Iu4w9',cUPMDTk: "\/post\/9074532168?__cf_chl_tk=DwdG_zv_ixhed_MDk5oBCZ9dwxU_A9EoK.owHOe9W4Q-1739102046-1.0.1.1-b5mYgmO5kf4TbPmieo25EZoAwdtkkFBhZ46XZ0JyrrQ",cFPWv: 'g',cITimeS: '1739102046',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9074532168?__cf_chl_f_tk=DwdG_zv_ixhed_MDk5oBCZ9dwxU_A9EoK.owHOe9W4Q-1739102046-1.0.1.1-b5mYgmO5kf4TbPmieo25EZoAwdtkkFBhZ46XZ0JyrrQ",md: "SQEk52ScvGqSei5rslyLAh10F8ubyIZgMA6zJH6drzY-1739102046-1.2.1.1-vhlTPHvY5emOYHaO0QBtq_d2npBLdP2vVAhyyBlODSteNthAEZD4pdeB0id.ng9JNDfLyQ4C_8OZUWnkpyo.K51rVs.8203w8RLqubS5bjyEw9pDbSDcuT0k6prPwSlkYKhF8nR5JmXMTWyjooKo0Gc_5m1Bz2jqkk2w07jkmIcAr6yi_apMuMsNB_H.s_INCK2RILHhI..dXbqCTnBZlZej8gTLojwecn.x1UzDfJ.zu5hFXQRJ8rVOTkj8l7VFIy.RofVU3A4kgt0Vdte9goeT4kT4j26y9WpL5HI0ZQyTidGvRHgup71uotwUefFiUDLzYYPPlsr5arIP.rqebEuyckBsekLNuu86_aVbf4KzYN7a2_uHmLG9kcTN1U5y9MmEZSuX.ZKCO7NQAT7Y2CRpvWDTNJvvOC5H6WePN5dmuCQC3H5efULAOoePtkgxDNsVkelb._PEGNRBI.2m4JRe_iFKlRkNbRzTuy76IhAW9VHZ_NrYAj1q82_iLwaHH3vDazd4q7RaIiJ9GE8Ouj7tZlREIKgBJ21o3CNSVnTCXyIXxtzYTGyuirBk3.fsm42UdiQtPepip_yZCQmTh8mF_In2ZWB8JdDTUa12Rm3DDwQyq3jX.AE.skBbwiZ_IqHmK114FBifYtk4OTXD7DbLoSQ9lyaWSxOjXoVhScx0aCX1DJrLiarwAyx676gmZJrvo8HAWPDrnlIldKl65pApVtEHD2S2j0DVtefHtjm2SaRXbzP8m4uBPDU8AKtDp__0bjEEoqGUPdu.SbdM43YzbwRtsMzaZcyrTfJIIG4cglATiWaNa3L_hG42ajaRqQHvYozVmo82doPbIhRR1co4iE5kfZQzQyRHMb0XwHZJsa9atI9Jg1e9lqPc5lcHseTI8cDKhoTnxFRZzrhpaVU8aVLaJkQGWGWhE0J76JTP5uy74tJdBPr0km0r25cnxRpJGGTy1BBnv9GjGRw6umgwiXYbRcjvBZi.X6ibqFwSNJnGCFvS0qhbjMq9LtJOiXNsWTKLCS50It_JFBEEefmzb2FwRI.iBKBBdstmwcZZ_9IYnBct7hYNkduqPqLvqsADf2wFEcLPmihtg7pdsa.GhGLUDD.HtktPIPy3SvLaNz6llD_C9E.VDTtPwWf4.anbFCLHue7XJD3HGBPrY9a_DCkPcAwxPlq2jayM4OAnQicqJFbQ3tsQaJmcs5_7GVR_G2m_77IlUn7Zzz4uuen0yrTDaHb2XAbbFSfeup5ALXtOeeaJDI6IK8ImKSxzCchSSnpvBMpmY7mY9cL.yOcrOlINy9V5lfDbkLPBKcT0kFazIiXqVDuGtnSlU_sDQqfnRWiKM7FIYIp2m0xE6GOG0_xrMjlRFKeXM8.GF_Q61LFppgL061r0wDPlHDbTdKs.YV1Kj6NCYp4Ay68AAlrInDe0rrIHSNyws77jVFo6vAGI9176Iul2LXw5GBXuXUKpbH_6.pb2G6QJ6grRiFaGaqVotmmBmMkd4FDUduH_FiAE8BMFEAEqXjvWMP4mEUETOoOXup09U0ex1DLgyN7vJj_MUQuHCwc.I6.KwK3dlwe_gyxYMx9Dw_tICsWDN7OYXOPrM5s9YozxxpMWGniZ.EeLwJPrmQHf5fcSAJIl30MoUqiQoGq8sGgxseK0a4wrWc5sT76fxg5IWwMk0M_L58ACx_ju_ztYtH2opmTrDkJ7.E77b8bF7DxoH5eNtIZ7T5Pk4suQczS0ryGObXvGpSO7KuQemxzzVbkUbMP9bk.SxPEiTrCXuZHC2xF2Ihm_L9fh.MDpaVan8xEu6VE39i8Rywk1v9sJkx_LSk8BBAfhy65jyoBW8nbgAu_xOTtbLZtCkG_B8kLUq0Ee5xx.hghmGi3xFwesvPYHSKO0SSk7JVITy_wHvT.3oZHpunT7GymvK2vbWdv5KyoIYxFOgxBapWPyp0CJadH2NSkGV_vVc_AuAaSZXWnbjLhp8yjNI4HyUoK61LySKyiutO5sE.NOBMiFLxwxc3FC7YP2AaKrU4esAhlbjEGFBooASsGtfnM3kVPG59Kr_R6Yhv43A1su59kwKmb81AFiBQBEeBGiZS3uZDBNbgb3btf1DmLTPDFs0BAgJsWLPNiDUFIYyQdzEzXr6o1nu5dxf8.sN355RuVA7u7mSfZNQq0WYwqeU41HvGjPyHxdXHcnSTZV3juyiOdzCRp0h09gFDM0UATaZcbv3rVNk4GK8pnb",mdrd: "E1XUPg3dsGYADJAPaLCmNCATUuQ9S36tT4JLGuyX6iI-1739102046-1.2.1.1-h8TZeFRuELRpTzaD_Jav8v.5jaBOW.8IoVYuvBfOG7mvsm9wVZwimvb9ehmF75i8rcELK7yG_w8INQR1s6j3y3XLaggXuY3f49sNF3S1gd4Rz2XmJi5wtYNc6klAysA1R8OJ5hbaYTTJeQg1O5KNNJ9R_DJl5aD5mVWDQks0UX7uYok.7qFANLsIsdphYYEk_IwMW1hWLS2iOlKo8UByf6OaDBqo2PLIQQzUrhI.BJqYR9SAa.dZ7tSZBekcEho8RqjSCkgWEE7k3lgReg7vtrctQVHmyv3ARdFRs1N1m.R.rd84p3yhXzDjlTWN8FCDSlkzeiOFBJI6wkwH0yRL8yYZWHqHRUDTAtGntefRvA8yWhvdbgFjWIO.DGnaJ1eKT6C_7Q1Q0Csz4dV8mEaNQwVfcmREQgYIkO2PIonl3Z0BHk5GgtNVkW7nMMw2Q5FiNIa3LDeOOW8qCRxyh3waQeVXbL05arODjeFIoZv7z2JwdQ8DZRlq_7H0PpzKvHsNvIg6cy98cGz8rVIaZqJQIEyPMtvmYXBjX0maEqyqqpVhzBpGiAyNUN3CTzsLzt1zYtXYsYPJ00uf4r7ZuivP0UdSCSXJM_sZUFoSvPvqcFYtBNw3j441WZtcEms7ewuDenJQUQ403PxknBLtsYBVcasbqlRGSTD58U9R9ex.BEY4dZPJV1i5y_6fZOK79BH3wwwDhUIHVPHK9qZgEFqRRSPAz.LEnxeRfRWkA5x9ZjnP5WqEaoqMF2M9eIhdLwVsnvtFH408vUpXvOb8yF5R_Z_nluQlDOEZ4qm3Ghf3WNYGz89eF153fbjZz4TJ3oTvdxizOC9gk6g4izwvwUL88gH.PcGB1zKlKZLzgT6MLDVjBH4TV1mA.p8h8Mp2QudHdxDp0oogOweHeQdV5VK8xWHyrASAQ1PQsuNSjEgOoXdwaClDfo3IHK3pULeSJ5qtfSvdMOVMG2R83P7cRsTbcR11pOJUJeWLU92l1zqNFL0d4MfwwFUVW.www8lRRo2kW1V_.XJaR6y7hZxSQGfcxhZ3yLUHOErUEgKHyVeL0Faux1hBx__6hSi2zZxI696bJeZfrzMrZFI5Z7xbGPc2aGKt4qf7KC9zhzVTXKpbV7FJPfVCy7cV.iGmmiY1eSln8LlqKQPeHyh3SbWvW0SO5uqZi_fZaNyERIt1cUjeZmS84N8ecVFirLduUyQb1IWjywV09dOarq9CfTmzeNTRHZyns2JMTeBGCQNew0.ozMshw6OWnAMkrBbTBoSQqNHZCJTXutmAdCjpm5MmQlYJTTTC_3yNVTqvFbVS7EX.15OwVzNoa0lDDOtA3uHD7OYtsjiVc99zNyRR95MU4fL0KrBIDRFgtPUWmPkPPXItRsVCS5pOW_OAylL9BHwQQKafYRmNojn7ePylhRCncaixPs71nTyaWd9mVZ2Y72MLruzhVm8kef2n3RUJWqniB1bHPUfCoYs._CFnJ40YuKSyOKuADyJStAVadXx4aJUoHejGATPD93EVC99kBbuFw4x.dIcD5YgTgUzzPpwCUsqDqlzm.TUNJn38Samq0gIpisCbHgG.jmxtKuejOM5X.QH9.5T9VbeQgRVJCu9ghRxhhKU6GMFhRK4Ip4_33nhyBJ7dVa9oHhCzNPSPfWYtxrFIgLiOPlqh6iN_PmmhRBT_VLgHkNVC7OEeBSyY7RPlL6RhC_o7oENxLnMbq2sQKEBnFoDAqdSJ37RjE4m4XqsQUe0CxMqL0dduKlHfwHRI0qRn3QSZTy1faaF5wAbJyySaJeL5evSMMVqU16RNHUhM6g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3a9b11cdc20a0';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\/9074532168?__cf_chl_rt_tk=DwdG_zv_ixhed_MDk5oBCZ9dwxU_A9EoK.owHOe9W4Q-1739102046-1.0.1.1-b5mYgmO5kf4TbPmieo25EZoAwdtkkFBhZ46XZ0JyrrQ" + 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