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-affwrdvxk.mit-edu.top/post/5397481062

  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-affwrdvxk.mit-edu.top",cType: 'managed',cRay: '90f36b717ea2c968',cH: 'wUNUVsoQqS8JVjyJqJBjOER5FCNa3Xh3GHa40dSikq8-1739099497-1.2.1.1-8TdsloIWG1tPsTfdxtCavrRip84qkSWYQYEHNgDcb8w_SDTMK933FznhIZkW4TAF',cUPMDTk: "\/post\/5397481062?__cf_chl_tk=iqWKcyX367Kz9S8c.QtA6GwTA38zIOHIqx5odTfASts-1739099497-1.0.1.1-VoRztNnISVk41VeOjGNwt4VRsPkDwHoxxkdeGPTj7Gs",cFPWv: 'g',cITimeS: '1739099497',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5397481062?__cf_chl_f_tk=iqWKcyX367Kz9S8c.QtA6GwTA38zIOHIqx5odTfASts-1739099497-1.0.1.1-VoRztNnISVk41VeOjGNwt4VRsPkDwHoxxkdeGPTj7Gs",md: "hsEQFjjeJaBgW8mrFMabwF3wZ_teBKBVY8ADWBjby2w-1739099497-1.2.1.1-0nZAXD0SxrjUPMNQgfddU1xM0lkZWoz7BnBt_uxdT4nN8Cn9O._oztMXJZXISFcni3DBkAHg6NSZ.6tOVOttszZoQzpM1_7rYuk9DkHdsw_OFxhn2z_MqQOTq2wD1Q2n.bDdW0b7bqpYL99yhFTNR85aisbBN89ofciy5ahn3fyU4UNEbwYs.Jgx_UAN62ODTGbwRNPJs4AzhFHsw4F1JjS1PMIdrFBYEH_tiXU3B46cJQXCsE6RL6ou_CTrYiWTFpO4NpQeKWPkM827ETv.O3cAjx3PzI095ukNAbeqHvykfPvzbn0KucxamBM0ydZHJjJoaAHovveZ7SQWHMVOESl_IGVbbCQXbIjDIfdWjK.6PNAVo0672ipmlYwxIgwUkb.RbetaYKcnQUN9.sdC2TwlM3QxPB.HRHWNnaQyatU1xefdDPLB7j6x1aMYFiHGibWleJMiAfl2fhvajoEe4upRKZiTDlLtGlYObRgsuPgUmAdq2QShew8GxDiQAg7YTx0BNHPw7ZmEYWfwswlj.ABuRbDUWZW4dAISjbo_CfgaovEA3sz.7QFKWtkhhfIkTepYKlTuVI5Na4bLZ_1xNqDgD0oSqmiBRkl0rgLCtjdDF2x1Zw9dMB62mUWEmhsfVw0tBQRpH6TNfQBXcVHBPq8QaKk_y3W.Zx3VTWCe2BKdmejgCIbGQpipJRvcFr78ZWAydYpoIPX7.DbiITx5.aTxUfpjr6f6ej.Fa0h5clO61w6ciKg15QjG5fmBxFsU3_wyLYzrMiGpaLCJFob4.OSDZVLnpBgJRN0W8g21WpBNKmmywUeVi0TdaYDwaCzUIisWzK39oAhnsy_r9seWCQO0EhvJhFZEkBG1bbYyzKfkofmdImIp13SlMhO7spEhgMHB2TgpqsGnXXEXMrqGdnw8o.EvZSKV7PNtg5USXuMXcMDSMekderA8xqgGDcUh98BNj8ijJMehiQ_n4OCp6OTaxrMlXBm2hiDGjP0VTeDG3E8p86OUtLOooS5L.Qeq2ySFwNwvyHnfRhJzEcZEqsuGNKj8aznR7zMChlcDRDzaO9uxcuVoznI1A7obU.uYVr0DaA.s6WfGUQpSknUhBsnInvgsv3cvA0hD7DnVbeFOzio5Py8mkBpnd_H4oS3L8oez5xD5abxSWYpW0w9cct7pkfP85QCnlAgvNwt.jMDuVHaOqr5WSmuh5sU0o62P2WSZQ0_j58Pmrs8cGcOaNH0FzARQ5yWaYMNT1TasuDJH5FULnbH0ewZM8vTFjvLqwzMRmD4hoYPLOTS43p4iG.p62KQwY3k5hXEjXMrsDCU1QBdod4yeSTtR.parSgEGgrUoxtf.npKLCeG9xhE_BN40ZCfpPYz96guxwCSQ_xqqOAMQi7r.DMD8Lmat2J_ix.Ie0Iqsl9lnbymA8UQTCXiPWlZs5xqmk8QaO9tJMFxlRHfrvjPF_64E74vNkPJGT9SwjoELNUlMrdMVF2tvHNqLPNKXRENYalogT0Q7qd.ws8XVflmpDfjt8n1zsEsyG16DPTfFiiVTXO3AXW8fb9KwwC7tHHe_SHcMXcRKDkBFM6ubv2IeZ1poNxzSqbd0rSjj89DVlwh7cWwVmHr56P_fXv6DHIPWQmocc8mxeyjjifcNLMwpZ0.QaGD9Uyu0f9wh0jaDfLVjK7Ysig7QJDEVgklHt8f.IC3MkBFjILc.E58Pw1cypgQSehnxXNVxeUR6lpxLiXddZgUi3ZXN58XoHy.7jRdvFk3oAK4FH6OcxIVFxJSwHQvbt4XI.VbdsqJJXCtKf9xRJHGCccxBCPaFKR8LOw0lVZRhNnF5X.rigb2x6t7ZVHm5H1dv9GqfxC2NWcfn5EkRUkDm8CDlXnga6aeegpGDbT.KUSOCRJiM98V3nCwCUG_eMzwLXJ2K8Iq7n3awpSAmStqYBpfmtb9sk1A3PDYRuKPiR_Zygo2vNMTS5xPAufhYoB6HBT8S3YNA325oPHTZ1TNb8YsFxA0LjZ.xGmvPcI_axn.M_eCMpCbvxN6olFpXxUPO47XVNbodlDAOPUU43tCg8eN69CbmjXj2gG3mc.J70NC65MKL33mZUixEx.CiRVr8WXBXeskgLLfEaeDujp52XxUqJiZTfZXDUr95Zg70S8._uk4clrrTnQa404aB6btvOtocXkVBO65tiXrkH15MOenaRAYw0KIDN05oGb.6J3Qqev4KpwFQIeALBebzILQxmUIQ",mdrd: "gQByF.xwzOM6UjjMA8NHFAr7mPns3f.KPelNZU8Fqtc-1739099497-1.2.1.1-2F_otbT_4fVUqlGvXeduGK1za3xy4i9ZTR8JOCtu_p6Otx6HsnGKKMffFA3XbC0uI0qiMfRRakrhciKV3WRx8gec_EBozMs.uUqKWHdmNAtJ6q2Cupu0eRFJlT8r_mhhgOGznblN9spbi8Ct.Tprz5YRJYWQT.LnvYzYasQikiWL3olBA_wTintdrRRx2IMm7JYYEL4vrNEi02DMb52eTVMBUdRfp6lCIwU5W57Uga_vearpzpEm0bRxpLwXWquPhLuH3ACo5u1VdiAT7G6puYsTixEpy_RhXk9Hp8Yhr5duI5QN4Dwo35YJY0UAMjMBkCDBVKiWxn0YS.VuD.J3JPDi53hrq2zGLyHB4SGB5itxrSsu6sEHhWm0zAAw1AB.1G0vIHWcHvusA79z05dZHkEFdA2F_9i69EOyfvaj1PLPJF0zxpYeuWiyFbUh5pZSx7jPGQxzzQBT5CLgsgVLswlr3AMNeY039subZbf1FGVV5qES4PTHXeH1xpqlYykxbpi8Sdno6Sj28yN2A3YNGcD2JLX335f4Va7lgUaUBVUajRsLt5UBaAe4P4eSV45mscOG_mYWOOURvnaDyxrDfxXS.muby6_SoyEMtGNZhl5LQqDMbskGTvW3gB0mL.CS6TxR6yiFrZ_RK2lGFWlpB3__yb92JY00edf.Py7_tvx0xKR5rKTXNBFmG8H9nhrAHIVfl_jnoFAvHeJOB_5RVJzi4dSMU9_W8Ps_c11tEtJaoo3gqX41snqaQ.gvpVBSrbjkKe4kBapKyJUNe0zyPi9TZ.Vet5taFWPhCTzxu_6PzvXKiX5kcTB0ZaUf6.KCI2fdR9aGI59gz.H2UKe5wP.U0ChXBoIAa6BlCnSPrByyc.LHpFxYqEIujc7o34AzZBj1Ktg_XrlPZNjU7x_gpF8T0bliR3fOE0B2.XoKalreoDbQJOyvKq2IqexbIhxz46alZ25Slh5oSz5f7OeGYBFyTVesHqlzzata1Ze19Xc4fOzgE_oChyPFPFFPWOjjhnwqEUQ3YI.snjyV6.65sZJUKXdj.JOFmiAst2NkBrtmI7sdEIzE4Hi0yMLEYuhbbP0ATQocC_jZHrK9Y_oyGoB.peoFkAJE47sl8dh9HgXbOKbbyedXjcQDl8ZeKqfl13ISm4Iv.WwPZoObUM8_9nC_smxlC_8mvpeso92_829ul4_OFqJjigHioevA7cbyMfCSwbVRWQTEoF.6FdpqINC0iCKMVzYiqIXJlclpJ9d2RaEGOQMED.9X9pvcUCprGN4kQoZWNeTUFtjzOnpVoBk3fY8SsoJElE5lMNq_XMj8UddIyRsgAQCeAx3nZA8HbOg0je6aicN4jWUWrSQ.ivmvr__zbImLHjoe6AsUmXuR7nHsbcaYRszQJ9.dBe5rzneVZFfj33bKI2ckh9THzfNjVQ5ipsvsvwor250fDroYFDRZL3xPdT7.7gNlMSNC9dIrh673.M7g9yliXI2j3XCQUbudAA2uflLW9C5dtkssBD0O2xVgMl5pUhi39OWBFwmupqaZeHyWbS3CU0Zvjt5o_JIKPxzMFo6J8j6i1NfEDFfTRYxPkeCS9q1Xd4dbf6fqaTJk5A2o561CCeM0nSUdIoUOcOblbqlEHt876onbG18MxK3TzAAQxxaSj1qpVIK4ma0IyuIlF9d039hkdBAfytp7z2Q3JAZa8LzOUEgQCIK6eF8Bchk72Ibi7mgWuTIa4af5kyU2YioPeCf4pGPkcXZy8A0jqbSjZ4vIT69lT75Y1D.nPbLMK7_bthe8IJBio6qeRcbnOYfgfHC5arUl1KVrwFWytjRG8NuMiyE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36b717ea2c968';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\/5397481062?__cf_chl_rt_tk=iqWKcyX367Kz9S8c.QtA6GwTA38zIOHIqx5odTfASts-1739099497-1.0.1.1-VoRztNnISVk41VeOjGNwt4VRsPkDwHoxxkdeGPTj7Gs" + 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