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-aff0j0ldp.mit-edu.top/post/8650293741

  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-aff0j0ldp.mit-edu.top",cType: 'managed',cRay: '90f3762eda1b8290',cH: 'FDY_DgavpvvyF8U.2wS9ibe6t2Tv4MRg8ZX62EMZ1Sk-1739099937-1.2.1.1-lf3qpvsrqeCYgwsxHsCSiZpGLQ8fMoiFEEt5WijzrG5QeZUFNHZU7AiwFisofUq7',cUPMDTk: "\/post\/8650293741?__cf_chl_tk=CRoeqGMP7.G3puhlpiWR0V3Ygu8TrBsZP1qKdu231lc-1739099937-1.0.1.1-5PmcCeNVMRj4iU32J_.sFz8knFelzCizdiplpK53E7g",cFPWv: 'g',cITimeS: '1739099937',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8650293741?__cf_chl_f_tk=CRoeqGMP7.G3puhlpiWR0V3Ygu8TrBsZP1qKdu231lc-1739099937-1.0.1.1-5PmcCeNVMRj4iU32J_.sFz8knFelzCizdiplpK53E7g",md: "OhvT8H.zewM0XneNNZ.iDgHpS9TdSD3cNAbYJqqir5U-1739099937-1.2.1.1-HP7SqyqYKCNTw6ZBeC_cHDv0vB8Ql2_uvd4fAIfCpXI6W2b.FzvV5knmJJE.77fqCSfnTVC5EgK.P084RnGePXgroZEpo9eXAqDzc_frzUzVPv2Sgq.IU2054RcaZN0DfbXAl3sMU_9o7HhpKWizR1u7dLosUmc6vQBLFZWm3igK7M227pLoagcQ6ZAaSmrj3E_21kcz6coQtCaGPXgNZNZt5zFmVV3zXoK8Id9fTBNkxodd1n5QqJ3zJhjUqOUGNZzVtckSXCYj8_du.e5OcG_Is1q_Ltb6rgzjznuReMxmMD8zGbWwAHL0SGFJpmWyp0pibWo09p4OpKo.1NM6BJpvUXWr1urMc1uABak12wcjFl9vRl8TrIpk.fE0Z5t8bNXLAgkCbTWSsPp.Smv3kRYFtXilE8eUpaP2nrAB4UbgQ2VGdd8bmOs4MOwEdsdsk.CwpeL0lG3axPoCRsOPKqpa3cJBmtsbVNT8RSihucLQTCjAfRpqswVhYuPHOmy.lOLO7pyDUhPK6BB14tmmSTBnibf2nj2va.BrH2mdM1AVsFeEpSA.F2ufK2LcTn9ExqqlBhP7XAimUHo795xWinXcjX3gECchrSGZISDzQ.7jD4Tbb6McVkvrmMGGpe5D0fJMr_3MXOgv.K89MeDmNLPj9G3spCRJka6zp6_e5EaDhGDqGXuSJRWNp10j1b1oXI6qLGNB4Z1ndnI3.jBu8Deg.HVn_Yp1cCJL8ib_5U4ZiMroM9wSim2WeumcdY1KiWYonEXO1AeoAX.11TQdWYjyLW4rw8gynLsCLtftpQ4xsoBDV_gpNad67D0SYbIKdE4wuv9gnbY5BjGDCQWsqss5.2Nwci0UvyRoqk00VuCd6YMFNJFLE9tSx9UV3qC36Dkyrc_MdnCiiqoiaykwApLMvkD0OhOKChD9qz.VGLx9BI3iuTSVb38CvepSyRy4jXbXoTridP5UAcHOEraBwZmm4hzW63pvIETSFeeL.gf57WurFcYDfYJoCFmtgvPp7D7X9q2Vpvz.6zG35X08kOBv0W008b90pK24dRsRMZc46_TL463rlVyEU4vY7UR5Cx5HiM3INFibz0_wa59UzHaucCwPKbjU9JYByObEi65SMyWnak3QkiEWoAan4mVUYM.oHmHaN6g5vnU1TgijQVd0TJa3qZ2IH3wlWjkc33ShpJyDCuOj3z2lTObveHvUOJJyKJEzCk3S.1O_ERmDnwbOyMRfw1jf_LZvjeoL6UKIsqMcemNOdK1m4ph_1kiSBtt.OXmfzFpHBby_f6i7TIJArrijAxz6n0vWzKofbdq2piWaROOBA.sluiR8SegbY9H1yqYfrm0OiqdEMDg.9DHxk6mid0ZvY8ldrRVLfPzskVNdAvKvW99CLJjymRaJSJ_WzOBmd6S3IhX.5q1cNVBnsKXmsMSQygk36rZfuF3kJ4Nqxxo4TPzwX6wM1pZj_i1yFhkyteUbN2dt3NXpK2GKXyBQxlrmG_UNf4GQZbMt4oKV25gNvCTdtHs1u_iHw9Z601MsjRERBkAvrPnZWT9SdI7LJLNEFKtQn5RrPtFoX3w3JjGeO.CaZCyTYBJTFCy5VD4u77Px88hS.mxLGKQua9TeCDFSMWQ3R2ouDNwyPyPHgk5ODNmmZ0gH94sDyyRooFy.oLmB08SbMROjA9PNrj_REr_Zw4GMGNsKcM.XOODj0jxJRdvbxjq0.gjrQxbZqgzmVajB9Xw35ArnlF.7zwIfCZ5rnfAibUtbaIB.kZUhmQ8WDpiJD8YdjoidPEQthOb5Pi3Cdk0k0dN7hhQuI5dKTVGCFV_ceyw6_r04kjxRNN_vV7MV0V0da7wuv.6DVQe__oPOr1jTR003bKLjRe78mH293utVi6u4mQtuW1UCeG1XYI0KHrtK8t7PhsyGTCruyrjzqVWNgmX97uPsyK8Y4r7QSWtBUGMgsEhYBPWuEEeHBaNHs1MX9plpSQXdTjTQCYJcZOXU7E6Miw1UNtMPFl1MqGnMOTK_P5XbrGESCoNprAbNdCt.jBFqsb1xZvGaNClNWukKQMKurlE3L4vVcgCDSjCHRDPT6U_iQ8RiplUf8pJdgCM6hBKCxWgzCpmSHhfuHoDyWXdS.srPrO8rJqZvoyqa7HZd8BtsErOMX6b5SBRabjxPSTj3jS_HPI.xKWZR_Gpectf8KGgCFFKjQqqT4ovEJWZgF1vHID7B5q6_19lePyHjxI2H",mdrd: "kRjJbS7FcLaiCbIos7rRjtSWMFBIIi2EA4FswU9d_Jw-1739099937-1.2.1.1-1dWWDAaWjcNUl07k2vgPwI4rKx1Oyre6hkl7D30aVLSnub9tlYUOwWTdH7lHrbT3GSrqVwurTTjU_y9EZgMorSdY7fIUnGx6tdbyT_qKefl3l9l3fr3apYrp5fLcR.2ywU0hHT3WGIFm6Hv.cqZS5wxJgP7QxrF1gjTPL6cHtAuH7QDbNLFxkJMm_m5qTTXtLvYVFOMRhKn2Dz2OpMSnf8dsGeZttZSMHi2oypypDmWzIiii34rO5rLU_4d6Jj4U04xmv0Au2dKOxMhsvDZAwOucDitykFEJJMhGePZ7Fonu3l5s1K73KtOwVNN7ewCwRtYJUl4zyxw2M.96tgfNXbI6xxDPwsfyokinX2VYvi.jrSWgOjGAf3FMYC6md36e6cD8YhQ75rPjpULtlRNJo2KO46lLogAp619QZw_zs_iiex3iLkqKj77FxbOeGw8huw9kuq7QdepL6.RFJ69Nu5PnelcMGdtwTMwNDucmjyjS80iwCyejFoyWj6Tw4d5dj1.Aa.iMBTw2OZtfw9UqbOpE1PJNx4uAHco7CONL0G8PqXvNRCdnCXkyfGnLdJyfALDt914F1M2L6WTLZBwTN6o2CRFxhsZnYDDp7nhxkNwBaUkQ4YR3PagMrHle6LMXQqwVO4lc408h4Wcx_Yl6eQbRLbzDzkt50zG9BZqXylTKtgiPimP6Vsa7naxrw.dxbveK066BAmOFL8gnjSLNyLtC7Rx8IN67x7nIDDHJ5NsxNmvUJO78LfkihCMphvl..Qb1O6ABABFW7TdFmjRqZf.CW1TaWV357h3ZFeO9VwV5TSNqbsuQKn6XKTinZt4h9wWIjiFMeFuaKmlc7Nlh2WAHEq3MLbWmaPNLoFervMUuiGVTQNlBfWLwyYl1c_CzL9Ps.nlRPZdLzMHWQqBTaSmUCmxHe9v5yt2F2_QmUkSsu4tv.K5FGl0RRvxSfVXj9IOtWzx7fkLXjpVyv4.PWs4PBpfAbQaoZNNJnSqaijQCNYMX0FCJNWHh8UNlwEMy1FWPohQOm72MoKSQ2UEOGSSwaB3OPbaQ8O0G0R60Qez6GWuj9mxhSeMm3RuA.0tIaL6df7Wj8SL1MZCCBRMgkAW9C7cq.0MWHSjZ.8.iUNvVyq9QyzVUUsJytnXdJXAaZnN3mY9mCur04HJXthPScnnkWU5WWXuPnRdcB2XtYKVUimiiEJ0Tyl1dHGxsHkjJWYR4Nf.4bIU65DCHwXfmh5n4sqmy6TIqQxca84RXJOChRHr_FescZ1kCGWvnEMlZ7LPnSyRJzdUKT9mebxwHnzFINfMNr4neJmfvbaxmBuVCina3ifamK22z34liVpw45Ief9bkg8UTR2XDhyw5XYa6XSYTLFrpFP6s6XZQ6vGg6R2.Md_htR0gq1Z8fA2B6lLFcvV1bDJhHKZpVb.xPzr3.oy0rBFEVEtC7Yw2xKdB2Sg_3UMtDcW1WOdPFLCQr9fCBxmwB_0yMoDAzrQz.kN2kGSStqn4Ab9geMme1V4RvxmjjdPDEHO8wHGNmxe02L4mbHCn36MMglnzWatw6ImJrjTUGhn5vBjkJJQ6TvBbZvDA0NrxVnIdQdbTAXBopizq0d2CqMb6tl7hO_Bb5LVkd7hW_9OV3TSXrmxtlVi74SnB8rOxz11k1KvGUm0tOkmZUu5gifaRjJYlLYvBOTzRyCcqxN2CbuGlI..Vj2AJo7KWVgmpc9STfai_fPC0kLshaenmVrVf1CKWwzJ5FJhg22CXHRCAY8iAYJeeXYPIYOG9SnssgkqN4d3jUoMk1gMiJ.UrlD6Jmq5NunQ7eFg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3762eda1b8290';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\/8650293741?__cf_chl_rt_tk=CRoeqGMP7.G3puhlpiWR0V3Ygu8TrBsZP1qKdu231lc-1739099937-1.0.1.1-5PmcCeNVMRj4iU32J_.sFz8knFelzCizdiplpK53E7g" + 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