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-affr135vf.mit-edu.top/post/8416573029

  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-affr135vf.mit-edu.top",cType: 'managed',cRay: '910f7754689c5d13',cH: '1xisddUdTV0bgah.g8sHQcU2MtZsCTDfOYu4ns_A4ro-1739393585-1.2.1.1-uo5oJu1I.YF.72fD7naE74aj.nG6Xwixqsl_MhCNHSmUROJ6hJIxidHKWTnRsZoZ',cUPMDTk: "\/post\/8416573029?__cf_chl_tk=Go6RURyHCLWrdVn3H93iUaQekFWwlBvK1Dtw4DLyDaY-1739393585-1.0.1.1-3tmeVPmlIP1BfD.TeEklHNYqLRWIQwarEAgJX1tJlzw",cFPWv: 'b',cITimeS: '1739393585',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8416573029?__cf_chl_f_tk=Go6RURyHCLWrdVn3H93iUaQekFWwlBvK1Dtw4DLyDaY-1739393585-1.0.1.1-3tmeVPmlIP1BfD.TeEklHNYqLRWIQwarEAgJX1tJlzw",md: "f5rNIn1_wnAWt9ipiQBbfYQnwMTyfickf6whtv1VE5g-1739393585-1.2.1.1-qdhXP0P7KPg0JzWGZ9HzNufAmEPWT6Mn_887pkW.kR6FsZmyOokBfCLkvEN9BATzViHgFMRV6krdVYuUML_I7MGZAjqQmtZkWw.uUHPQig5oeChLek5_WPAUAcBIIFAJxbJqLAlZfj9E0H7i22QneRsI9qnusDyouG7KLVFh9qipJfRB1TW7D2L4MV4inarullhbL2KT.pISfpNDygMKOCWNWS7FSZZ_1QJPJHdltUz0zkqWBLfIOkIgZYpLKFeACR0.cWQj31OEJuDjveAsjkHwCFXRu4SGLEdHOO9K7GjNoEGcFqQY.h7s0Ls7CR2gPBXnPNmJ8iKaFbEjLqAagHCzXqzacOxx0FTsIKYY5_MGLJTRIGVRj8duVRirNtY2dcba6Qwa_YmNGtJ7p2UkIxnNzzrGcpvu7cqDctliNu.d003RQYdReO.Av.aCH6RExJjtvb158Mi78wr.Cl04bb5lCKxdK6jOiPq0Uafa5TWHX5UY51xy.86Z1WSyrZ2CiOx8c9ozbZVQu5xzv2NdeSjZKPcaCKXDH9NJymMQhFzHoyD7x45EgAoJR0l.XppMXudP3DVkU4O.xW.3QP2mojpDleBwAYPzFcSanrKfQ16N1A2TsFdWhjCoMWXNCblWDAkpWY0AsPne.4QcPzXsnZBQCND2.fkxOnabxA1snBjYoudo.8R1EjB4Q1SvotRYEGLicJJhxhx3v2ysoTG1e6zdUp8K0f6FfjP1ze291Ocd.p.8bC2Uc1PF5m_up1UkFduYwLiEKFiDb6UaDna_VjZRiX3zpysSSWvy7t.vt_8WvdWjgWF5n4WyauHBq_J11zQIQmAAVL6tB0XArF66PlW.KW5FCthdivKWnrUPPRv6.W_6zwr7uAN2MFV.lqIWr9_sWFHBTNnLzZvu3JHujuqvxhSDCc9n4O9OkuO7j_ayKqQm.FMwdHHt0NrQ9ekZqN0WNIoTiynv6d37MfJOmKD__AmY.xVR9eLtSConfxXT0wxqrCN.XnnaFi2TBUSLt9in15upMxpqyLMNueLL3YRaAPkXTdBDjQ62VkMLBvbEp0zl4Tjy7uxX1uYIsYNVCvHE2zrBZJgZNbTDAdnK0EJzbZUFRBXgfVq18WI9TLdiLi3aslP_YX.qYkrjG7mJM2mEG6yYv_vJ6HAg7qeok0T6geJZk.rzIrsVsHr7HocAbWfRrfihoAp5EBMMg_ptsQGZhan7IObSNk7ROWj0Qwx5BdUuT2mssivXO92UC_javA9xSJ533Axm8iT64Ry3W5q6myNu6mkBkRpqVMzKWu_EJh5LN6pknHfU_Jv6PsoBM3HKliJEYT9XXdut4ZBQX72hiOKGZ6j_W4xov6Ar0zekROXYAUjkxWM7lwU6N5eGGuBJrbuKyGg1roxiEAP2pv6L4G2TFINpmWhYlJ0uOKhYL3puschgNu9QCJR2_1wszcr3AbDLPZdOWY8n1QsABwrZjAgC16mdps9TfSyYOKanFkDk60hlwDGPXAzsgNmZsk3nKZVDxC3hOfUfTRuF7E5vSqpZi9a_LevpRBkWQBhTFLjThxhr8e2_Ny.v_hKjiOGsXW6WDpM1JY7om8WypRD68mrSg6gzo4t8IzxceVso4i2o7_DnIpnR366NG5M9CGmbixWImyL0zeBVXzGklq_Wn_24PCqKbSXQ0I8zWWHR4jbT2BK6E47Ydij9ot84QS5_Rft2hUTV1DdEI.qpLanF5OCg0uoadZmXf0p1k2n2Xg9pNA0nPW4fElNP22_P_8HdYLnRttxJMYovhJY5HlEpJyRI4sMfwlsljOxzxDf4pxYOi9v6.lyKScDBd5OHer7N9lT7A2ueFXIjsMm482Z0jIbsZRJTpdCo0_GRLFLO1gaxz8hR.QuATdgHFD6raJR9NiYNLR.t.sa60Rfn0QeiK5bTo1FPo85gDaAOZIyit8al_yZXMiLZp729Fc3Nbbg08FVKkV8IMA1XaAnjn74KbnNhNsjZ2lCtWMDGbawxWNqroNchgOzOhSkVsoRmfAfvxvJsUmN9MKo1ik98mr8IhxFsrkGE9ptnocDXnTep1ZFmYVvZx8uUH6gf3Ol.lOakd92MTLd3s2aHCqVLBH8IuWflKNT8zkU_Npu81sqKZWsq73Ce4n8Vrb.iIqAPuPlB45lCDvwiWxlmzll1PC7uJHtWk6.KTv9IrxH2vMaCMprUpqKOO.CZKqyxLA_.rP6vobQAaiN8vW5GoJ1j",mdrd: "StS.mFKo2arhYmnDAyvf9SZcjIz_lYbnuGhW343_IUA-1739393585-1.2.1.1-nPytQ4ARLlSZoBz0in0dPa5Q1EJftuhtAGX7cYzYjsnYpM0Isx6M6qufAYrwz1g4fWafh7xeWWwdtW6.xKozktDPp83uC.jQS1bV1K6oLaFBHjveR4n07AQwBOo64Oi2IB3PzipkSVv4ahVDhHpzH5.F8Gslocct1AwiFmuqH4kVFHHrgt1QeBEFS7GTmfgZ79y2Vx29SfLQHlRPSpmq756.yIio2lveGGp1K_JM55urFjcxpTU1XFJs0UeB4_vq55sA_h9GdDOFiBKi0BFRQpozpTCMGWnL0QMIwvPsCFcMy4hwhilyWXFXt1z_GKf0AINo1IPE3OahFe.0868HlXjVqpMZBm99Bd7sxyTNGGnoQBP_2XBwynmHSW__zeO9kMSnpRKvu4VuXtyzuA3vmO2H54O3Gs7d2eLrmYh9mSI5C3Lvu4krwiQmKBd5oD09jjfII4d6KYWe7ZXFOLGTm6skhxrWTORKgQxd7c3mmb1k7p035QwCN7lxeF84jcmryku7XRupzxJBCfy_3NLL83gmswzEKMlyKtS_5c4V6TF_KnaV411zp9poFT6T3N60vy2Pg9Zi_NcG5pOl7CXzngFnyy0YFjrrkfGdomHEMYdHyJSoZehkkgZCyWDpIuJQK2W1hdiWLpazHOnnMWb5SS5BWznXB981ntkfipbLkBjGwYcBUuClBazlurFPGENBlcOrPc1ER69bT4yHygVmDn_mv5Z7ZVuQGveRAZ_Jzg8gNK9Hs7Mznz9.6JIPuopRchvVay94EWkF9ekYzlXFCJCy9am_P_AhyzFOcpmm0W8DL8gMKSJ6BiFnV5J.JwUdEzsGkrvmYrefs8NVXNdIRCU6.QyvzsOu_g6oKdIQYcyBB4s7BihDf68g8R1F5dHD18yStD69623vp509U_Jv8FHX9DJfn_BzmiJa.1WeZNqreWIzp8brwoiJNx_JJ2aYzcMoRgbKx7cC05G5bw2fyWh7Byrs.Uz5xRido7Dl117iwAlE60Pz6oUCXmw0wEg24ikm39d7n.9ZBJVn1v0BjC9IzIER3y_oSZYQT09iAtlhzklXu8LNcruxTvyjQszLe0mjyZ.2rvBvQ.TPEAw2vFERHFo2jblZjrHYdL2FnoE9dW8PO6POOfafVWRuhLE3keMOeIgDRZP9wTYZPsf9bSZxI5AbqgCgVTuKsXdp4qn_S2B032aGbr4KKcL8G6njJD844ciJwXLxbzW1SDpagfSDUBPNKGNLdzBgRwwpuah3CD6EcSWyKSnODAu3QUe3Y5zJzOyfAhRlRiQDQyZDV9z6h9n7n9LTOv9tafEC8Pq3QGERm7oAAeu4ClUwKuzrGPdq26zDxTITh_zoI5x.T4JxveFSxt300yMdWvRHVpIUbfI83QK0NUWruBVDVL4jG_VubgcJhg_eoM39kBUMmTGYmhjRnKXP5_zYrE6uUQxrKLQffoX.cpQWWMGLidTsCCFNsWLYjMlRKSdSaM4IFtHkmU0k5DWMn_0k7WG.nZz1RX5d9_YUmZVY29l1qupMPr2GD5W90qcz99TYP_yha7slrcjG8C4F423v5izB55vHxxabACysTQW6L6Vu6TmyMO6CDcDxVkRRVsuE8anOppfMNi9JywyOSpqhNZjrs99OpT1TvzuaBWb6W7UCDSb4lIE0gKPwkD92qFuTk5aYmFVQ9zv9fRNbALVvfkzUlRz.fjXzuli2hw6G.TX6n.2BzJUoTDVesYUcYQA8JtTR6jUneSCWNambrrEQAwJVdA4tpt5fRocuzlCDvarS4V6TBfqHglzRThJyhjVI3CcymYH5ThMYnm10FB88PRw6lhM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f7754689c5d13';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\/8416573029?__cf_chl_rt_tk=Go6RURyHCLWrdVn3H93iUaQekFWwlBvK1Dtw4DLyDaY-1739393585-1.0.1.1-3tmeVPmlIP1BfD.TeEklHNYqLRWIQwarEAgJX1tJlzw" + 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