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-886426343974.mit-edu.top/post/1938425706

  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-886426343974.mit-edu.top",cType: 'managed',cRay: '90fccc7878633949',cH: '3QskoaDXsALwX4irZBN8bJicmiHK7VWJhoyyfbfF6Gw-1739197843-1.2.1.1-6.OG.fniEt7kcJpnmiHu6_GTnXNKS3827eKywcaRUMahMu_FjkXBEtjsatgE1499',cUPMDTk: "\/post\/1938425706?__cf_chl_tk=pRm._EAubElzPa3xcCNv7USOdjLZ679CjSQNiQPvgio-1739197843-1.0.1.1-CS.0mpnTWjPyXerw5tWjL03vbVnv1elTQmhPtzjapSY",cFPWv: 'g',cITimeS: '1739197843',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1938425706?__cf_chl_f_tk=pRm._EAubElzPa3xcCNv7USOdjLZ679CjSQNiQPvgio-1739197843-1.0.1.1-CS.0mpnTWjPyXerw5tWjL03vbVnv1elTQmhPtzjapSY",md: "fTgIPoiK0NjpXDhhzo10jQCBPfnA4Wa6TjipRCIK52o-1739197843-1.2.1.1-vZC8ryi3HIA0l9vECyiXfI8PpH8iZCILR_dgcWMqtsE3S5A78xUaB2lWOKDvE1wzYNZ8KRqhkEtn9lVf1ItaPkuX9QM_OS3hvmCFfdXMLOFPTREUlLRc.K2.sfUTEEHERnzKkSKHR4q.Xf8xE6A_gEwoNkLYnxK.ZK97PE4qZqwOpYdTkhBo1qfF8Hvu0eK85Ik_jnHLCDpimng8cfwPNZWABOnyqNNw0Miczc.jVQ4TH9Bjls.pazahLWO01Tz0xovfDLtmrgz9iO12L56DH7F0QonsPcNInQc0PZ.p35qgF1Qs4OlEhnKcwav2nE4xXXuJrDYhCmwPgySIf0KSmzvCbbNcFyTpGMyc4OE2nsasqvyGXJ_ueECFTgrWlUTL.E_DksGXM2IgQAGozu95ESUdKYAzqGDlT5.PlGss3Ooa0pGrYCbwxiJ4KA.32SCMuHs0Fuh64y98XypFtwQqUt_gv6Ja5.Wcom1NnQNEQVa7H.gU_34Qgkd3l5LDhrQladdqDJ9.urROfZCPQx4pbxq_qKq.3zCUqoF0LPHLFLar804o3rKPtVbyAms1NwWNKaIcqpq3TOuOT3D09Pe2jocUEob.vgr_h8wAzAIDTV0ieB4vH7_X.PGLlQsY.J3Xsn57FJ7F9T1se2oP15uttaKjMXWTGtBKIJj3GjhBdvSmbUfusNLUb8HGM7kiCV0Mpbj3Ln5bi3mFLf_LqDHF7ESlf2hOJncRWxbo16Y6Mf9GAKB8RcPbVOq5cXELUVVKL7rdTB1mI7EqoovG.qlvfCeIxiwm.aipT7G7t09oP3tYZf.jDXH6tZIZ8k6ql4XZqYhjDYEggiZ.hx.sX7FN7kPezNcO6G8o0lr0_dsAskee37CK3F22WK_Jlgeh2WgaAjh6EcgnxVFSiNF9qKZj.g5fBGkJj1bJ72NKJ5W6KVvRbaUTTmPahdTFFL7OtiHS0fAza0Fd90qZV99u1xfH.DbxIeJNSQFGnTC0WGXUXxE66VQ9SYtjwze372G4.__kLg6L8zOCTHn0fpJzXoMrWUQFZ_2qW9HmjZBVF2x5JXMzHlINlM8bZubrXkjgDCPbMA3QG2tvaeCt47fzzcGeavM1HkPmXY3iuFS0Y_jDbRbjAwVyYK5FCSAbmax2C_mm9tum62Z_yUrOj6iUj_Sbpy5B3AdJoYwTVfe_gcsTWiQH6hfKcCLj.Mef9_Y_I3IedYnpl2krjexQedUpg0dqlPt5CydsJFTKGCbLPc_mcwUN9cbIxscZ9sG76dn5MS49l1S1e3eqzFrC8M0QrvoVM1a_OCQ71ZHWiBQIYaWgWi.68Tj9pGFJTU7UGH6rDJw49Ww85bBgkqm65q6PcKW6EzEgZQYLXsu60LnsKchhHY3flCAQPLnstZarOSjUiNjVRzihV6YKswArlFcmNv7LGyeW2XlPZQ93eePrLub78AFdOMzIi2BkaiqZv6mXGGhXW.nu3qzB6bVBXptGuJPELV4jdAbaEjf3fcyRgfQLhQ0ltdYO_bBGVEs1C_NF5ejgkXwumjATWXgxrkaLnXFQXej90K2nR_D4eEB4mdaflcnFdB2oGT_gDBVIVtYst5XKWYA5uUGUTbUo4T7GAfg8D26UWD9MEddnggMb_lEmB5UB8.nK5O.0za3MpASgVjNkyQG0LQk2YljrFC1ENkE6te_BqvL..udPVH1A2C5efooin9N2nHAPueaKSlEDrrtShjpn0KogQb3B46YhKqf.O3rQXukaDP.2KxfO2CNNI3KZcU7y0lap9oObyEJwV55D_5ONUOfIxZjamazKbL.CE_6rpvUMsStqrfLOsmVbYA25Vl3I1NTpeyuPkOAaKCQuPFSxgoJBMrbVQF8f.9FH00Ka1u07a2.lPLtKH6k.WjiWOGFCUXqnMFhFB4knHcrfMaN4m4XmuG13EW6B8P13kqgh0UEzXq3l3BNngXcNKTV.3GOiPECBBdVTDjiIb8z0gPk2ACq9G3F.cusx7E0UYHTFfW2axwaw6guy.NpGbGyFuAkgYJxecMAzOdSqjtK4Id3Feh7sfHIRA1QBB8960dH8wEDHLIT.VdDtrOU7Vjl_JBZhuzdwd0QAvr8pHpsiqUGdgkdZ8.9uFhecmsgOAiKNJaa75SkSElBKy4oUKtXZhNAe.NcbBWsLJaO8cqTyWqVP0ywnIyegxaA89d5SvefaKzw73WfcNhm2JzxFcw7S6Jrqh3poHjb9QpHX71ki",mdrd: "BcnZeZw8XV34MJIeYFK8b2hj8BIDY8CfT.PKdTPrOuc-1739197843-1.2.1.1-LdNuKOx.fOBTE.RnbHkhTT2i_yoqE1ywhVeYmPl9FV_bxlBgJkU9viFAF0kGr5AFCnfkvHNXprJE_sqV3XW.w7kHnuX47p2RQ8ArWRznL7b_PlJNcWwQ5vq.PEqlR.jEyBsyO9c5VsklF9yIOaOr5uDp_RaV.i9joG_kQGIt2lZnkY.kTEjC2Epgb7jKlWovBVwhIsxRlC0r9XA8SnihEkLcsJ1dR6A3UHh1bT0nBmDooU4HtYvix5HV4hdg7ohTBHGQDeEk4a5QxW2PYxpJS1COfC27UgNyQK7dBLRXwk0T09Ud9XkIOOa1ei3qx9otIbFEy1zDcobD_xO5kaQ2ljvoSk3QI5l966Bs.jEMafgjxyh52e5ESHSBl0qIIfu3jTDZqRvhSMCeeJ_sa3w_kWUmujKsTARBhuAFkOEED.VEDtsqvQ4L0DsU5PjIyfCilOSRpIFwzvLRWFIhUbJXt4IxgjjYmz2zAG4H5NdtpFNe2v2qNIdn6XToTo8D1qYA1d29uA.VD0i.F5fUQNFQAs8s9NnF6bpmzaag65adIqq3w4RFpQEuk5I4FJhpOPNrgD4JfmRht8UTCV9.8h3S6xCQ8Xop9aElTx7mYPzTGw3tI_JGxj9SreP3erO2cPg_gpg_aU9qs2pctgSIiG1dI2sdtrJdeJc7EMr42Q2VrfdEvtveV4NVCVRraYNe0utoJYzHTPaZ66b04f0ywf2sGq0fo6Lt1anozYQUuCecrKELKIv9Qzx1uWnJmHLWJ8j38IccnuDzQDXUeWrKsJy0MQKgXeB98LoUglsDzU5OL4qYwKA19AKNEZ4FCdNxKCiP8tIoNvQE8vU.jwkNscotFtoBtZhm6P7nwl3kGKLh3eor0cLVLDqFcxmg.MM5uiJ.DoaUWhSnDbi8m_.BJeVV8gIEni4CvvzVMJ_KeZ8pmh0fe2D8OdYyaY1d.YrcJhDBeTor3qC9xlx2.BhJ6TzLeLovaoAM.1eZ1sRlQZRNyjaCx0c2xnalCPIqhM8EcvmOwNlTaWBAIjppPYoDaix55ErW9XyvCh0WX7vdT2ufG6.qrTAc20aPKKoJTJD3FuDf8eRBWyyV.FwnOc5hOaEr_iv_rmC2F66DeV8VYg0XE2Ixe25AQ9_hj9zGzXFyrddrTp4O3G8WwFJ1QZmqGNqfEJ0QTChTJJrme0pqA_QAOwiaAj1U_JHx.RAyAw078njUVJcXiIdlJXSAeRJTutHOqeATE5AKcJr3TBFMf9k.EtyU9MbgfLQ4b2FOp8f2hAn.EGQrTQ1e2vz1fzZARBzNc0U_l9mDin5FRkjMEP6JclaDo6iFHhZruuIc6uB0SJjuDaNLR1IsUnOHCHV.GQLUxDHNHnGR08miIQ0zHpiz.ONwaNFf7bnVrftZZeVXyWXhSo0BNzoawEQXacxwahdLWU8C82cth8SZ1rkiNyAdyQUz8JwEJk9alCE.d8_UDfnggBAWPZgcac4hEQZQnS.1n6Nr8LWYfnLPSmePaAAffK09ktN1wdjPISFXnrx_6YVCvBojoA1D4du5rpDX9RHIuJ5ePBlVtzCfiiPWCpVOymiuyIlXE8quGrNCpTk2qF_B8YePV1a5T3c17yzi7MQ2uzs7gdHlVadAxVRnFYowFj2QeneV0fHfSR8DY6rnaH8YiHclwMQ291kVdnXSg2l4XHzgfCMBC9KWJ03TZqxfsN1wyKNxDk7Y7y09MadsChMUiL5ghwkId8qknIaTKmvBqqQImKTc6AwMNQqEhpjDXmdoc58YElXSPpbCRZLOVWY9Yp8T_YEnXP4D2Xnmk_V1Lg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fccc7878633949';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\/1938425706?__cf_chl_rt_tk=pRm._EAubElzPa3xcCNv7USOdjLZ679CjSQNiQPvgio-1739197843-1.0.1.1-CS.0mpnTWjPyXerw5tWjL03vbVnv1elTQmhPtzjapSY" + 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