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-aff4g7h2c.mit-edu.top/post/1038247965

  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-aff4g7h2c.mit-edu.top",cType: 'managed',cRay: '90f364bc69810826',cH: 'pHfbtfVotlfC2HjOjQgFiin2ENG35GcRL6.BXU.XChg-1739099222-1.2.1.1-J4JqBbzuxXNLPUm.X2kUKC1qALEAdudwOb40x_117x.91KChOry8oQ3KJEvFqi.b',cUPMDTk: "\/post\/1038247965?__cf_chl_tk=ReHnYeyGHDQTDKou473HsJ5rfE2Y7ORvNcS_DWljrZo-1739099222-1.0.1.1-M4DOoMHUhDto8HRFhklv81Ln8nT3DgqckzrANxZxw98",cFPWv: 'g',cITimeS: '1739099222',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1038247965?__cf_chl_f_tk=ReHnYeyGHDQTDKou473HsJ5rfE2Y7ORvNcS_DWljrZo-1739099222-1.0.1.1-M4DOoMHUhDto8HRFhklv81Ln8nT3DgqckzrANxZxw98",md: "Pd1MI_j1Q4oRKXypDme8FTkAhn003nK2Lo7Sp.x5.ns-1739099222-1.2.1.1-lbmNEyNI6AiGWMMz4UGpS2pPo__xNqK646IB5mtmFjT71kcT0PLNnkpOpPKSPTCJmTHkeuhFsu6j8A_0EPLzxWCkqRdEO4H7F94.rIMNP9nJwxm2TLqpcaLFWPbw.g85MZGJU64usSrsAvCqH8XH9hqbL_aeuw.pneFFxlc4Us2qyMWEasHvJtZHwIkM3DwoCC3mzdY7wJPfSyWXhzgEAaN0dz646I287tXXyiEMIk2SFX06Ul3LSzUj4kWrZUvhm96BIykwo36H4TRbiv6W6QV2IbAknt9pFXBy4sIo4kIpxrkvx4.pVf4xWIxDlbcLYO6.qNoQrPcaAK4ojCFz0GTvol__KxS26Kw6dnLznT_Elkk9JIQpvAlubk1Ohg77ANv6ggeYIYXSfXET1t0Germsrw7TrKJwgZtAb848VXtAlLm_cV65JudlQtCSyGGCWsa1.xlPOGOokQvjG9yV49NO3IIIRm_V.mFSd7qnRlW3EaomvpMTfNURK.3cbIewQuLgK3d9OSr7CjAaL3Ta9Oxy2hZIM4bfg_4vwgxOHbHZ3kLFjLIfd8aG1OzLdbsIJBVeFuY4Crhf6xz.8KmdcMoS3xz8ut36Ty6ANUYh51_HEYUVEHLKaytCsuJlQJIf2u_v_1oNy7oPecr8idWkqpEnMZqo7ZCXIhF_oY8yDqI8xkghpQa54AioWQtUozH8FqnMrrxtYIHA4JQa1iwgpUv1mr2iBkhrtoz.xOcqbQkAHchEFBhKLf5wmWshHOYSW4i1B2Onma0.pT48UEPkh02v5CJGGTrfiDUjkAFDVAb8KNTLeSdxQFrDPhfO5_A8iiVaHqumCZEK8r.YI62UxCqSCRFBUbLD_9Qdz7NjDzVv8ygVZNXTTZAUKR2PqlEbeyLld1k6TbErtgqRvxmVT1RIaWKLwIm0oKW._xCtmodfmbAOjsz_4x8H7LHk_NwJa1zaCh5t_9II9DATlcGL02kUIT3fnkjkh8CRvsALmSx6J9D9Byd_wpdXVNLmTW5gPoRMnXmJcFZPW40Y4BVPPNBXuX29NG8Z2iXhNKd9sEGQ_bKF.iahXK.0248IjKu7N.9N2W.H93RHJAfhEKOBxMwrh7eAMH0KYFOuv2Ugc7HOrKdghGVXGXG6iAn.Sl78ZaLVRpvWVyAi73GLbSXK9Wm9OSw_tkAkbCfdGspghBZjHINoMwAxaIxFKBWhKX9ZOzsnp6_ntmoNpmPZ7md_h_NpztH9Kxt5XskNsqeqLiTQnd5uFdntsXZVXJ2MwBnRGGM5KjHSQPM8GHoMvU1dfoqd1MSNNmxainE7ADXxJN.PGbCOQADuu2gQdIl51.aZgW3nzcl3BA4KCJxYBgLl4jEt2GhgKphgdbi9.N4ilek8_7BXv4pifhbKi_MAl3QY_Nglh01wskNk.bsTyb8wHuArr.VJHe_R6yo3QWJzpD5xNfCPSTrTuwpjNqGhprOPot1YSHVYKzwHQITlGuC8cIosKKGHS4khmXG02XFcik3p78KRBKcHasMIbc417U6ovpAUOBWbpy0d_R10gCjQhkoCNpBsQZNeii0q8ZQJkSw.6vXUYe7RjHcJ5mzjfghNT2oYHd_iOi3JiDEHoS8iIh9mCDayTAQoAQEHXi9UEJygXvaE6z.YNtfY8uTCsqBUvSv_wBhxIwBOSzBb2mcTNA8alq8Mv75b30OeQ3nkt1W507WOjil4gFrDWl8v8FgLs49AhVzigbKukirr6yCS5l8p7.7wWLy6SX41NgKbF1qkEkOQmYpyfJ7dflTNw1E7TSBwk1cMS2Me3cnls0B2zbaevYc1FY5AkDoszyahjlWoXvMyfrKnhNnwdS5mxmQvVBTZzTaij.13JC5_Sk5a8S2euBSVy9rkKJ182p5R3vVXaOqewnCXvBoFi8Cj8i8q7IkRW4Xgaq6nsXvDaxlQG_sUvYR8w6dMomPMi_hmd08b4DuJKl8Pjoo3VSsTomPssu_IQPl61WVnnF4.Fx3e1ndkwLKzrLkaxzm8TOkdoZyGHjfA8eSof0zK632C7LSTW6NCygN_gxs4NwYfhKoVFv3uebYFRqrXIADCLoImN.IkQrrD0I.Ep7Whr9wH5qd9Y7S_NdDJVOiDxB2yl5cRfqdXU9bdM1wi9tTqEjCV.UdEZQLCgGaUSwcInhKqrRBVZsxRvpOy4Bz7BaPV26P3.V.ezGRCXzPDmH1OeulSQLxi6wPkPGbsKTRMRDlJtvHU",mdrd: "ir2dto8YwMHhnFxJpwUS1hZdQ8YQEYZ1itKQjsYApmo-1739099222-1.2.1.1-vFqSA3zLbQGi0Xl2gLQHQf7Ak_FH4sOPBRzBuUbQ3OjSSnpZk7qSIMehSy2vxtLjPwq0LXM_hx.eBo49rp8eqmumlSi3KWjiAifntZHjzlE3rMsTwUl.CcnsnEUTAXVe0gXcvCzAhDobwHTRilV6blxDtiOJIB6iI84VqSxFvPiwxgqsK2DhT8wMEbtCYJE2L9ifmoUm.URMX7x4Ga.hGUw9Cn3npdwb1w6Gv0jvYsT82VzX4kxE7wScIOjEomMLBmSTlXaS86sZoAe_7fVJ90mRCfYCBRDXy4dAD72WgM50JSmWgnhwyq6getvfLNpkd5LfSreFyvVG0ZAXIYZWmDSzOmd1GtAkX.jz9I0b5QVzCGuOJ25OoNuPfFqcx1oQRO_o0EEAFDtTFs1koR9cePhPdcXyF8cR.pF9YXWw_exUDag5_HkhK0KPzmfedkMmQpFtfJD2p5w7_l_XAHOH10XF4eVRsZk9VCIOQ9s7aPKIzH95ApsqjHZjdnwbSXDqHn81whEm9mv2iyuT_tEaZlo.EFkon4rud7O9REdCoRSTWDlweWpAaJWcykMB9bTdWsEGTU43BwCy4eUn48VLtDUp0EdM52JtshsIwS91XEJn00awJhMDt6LUxuNAdOQ4A0gCMg3V4vKg73UlwdNF7RVjzLP1ePXgxC3XTcKoCrS4_sul7jlHT_CNXnplCkHFHr5x9rXEa05Ovg9lQk3bQcodF0bGGd0.6hKQX_QGTiW7ocRXBtbMObZ62RN4OMYBNZF31nnlTCEKtvsqxWCqW_yFHOvXBYJb_CyEjZqewQJ0BRz3ZqlUMOw8AkXkP.hgMBAdKog19vzn5mVth5bXisobNKyQuIgIe2XZtmybuzUEEj6WX46o2Ffh8Csg1tclbdZnDliLbSTzM5y2obZ9HGgtY2u1YzhgpJe2nSlVDRJY24vs3WZ3BHLWJaVAnaWetIyCKi0sE1FgBeTmI5hbYbjtIojEsOF09K3En1auvutt7pPMilYxEZWKFnoSYr3qvEDSQk5ALnPPMgBf68Opf4M..3OYDr9WMzhV9u8nZGSIXg1Vio0rGnoK4245g3FGrsCY6JulAZkpjZeit0pdtqvmtT.p4fwdJGESNyaR8ley16Dks7OMP4ajpo4KWZYEJV2aWSWUK5FrLZdqbgdMP6jDrrvABqxA_FeofFjX9vQyr_Ccce19b.aKOMJ242mFQQyKVOUqNISGZs8BCmtxJW1B9XJp2WvNE4cjI7Cd.yYkHH1fHee05fSsMbPHYj8DFzyFu_u.Bt0qNAbCdLB1Zd_tnQTMDzc6gyL_sVovi0lSttH9n5_EyLEXZ25wrlVanQhhN4EjRUqVsHAv0f.Ba8_9RToUAY1CSv1zYJvGBnzxQT_9q92JvtK28pgbECSIUXFXm8.AUuniBvflKJLWaWqm8LbWTEtb5ruiKJSPOX7Qx7WM6NgvIUg.zkuyOEpWe6VVZGHDwEeUZdolgzAtZehoqVMcTHqYECufqm30hIUhndn.bvzfd6fLS2BvZ4TtIFUPqMhwEB3DnvoF9YBPvFzSojTe0WICnAe2cJrtq6OygfszBcGaaFU87c..p2S3JsXUWDSpzqRfz6guQOR3ye8tdp1ur8JfZwcwcu7A..Es8miWYcfqTR5qMSogcadgczoyZeeBtKyIVf3ZB1itu_ZHQ5W8z4DDINkN00hhQY41ydKgpI_2STkfqLo6iAaFaf5bqQyR4JP7IDozIbvFqwQJn2YPAkHqOcX_xv6dhvKkm.im3rXWZ8rqb4.J_TCO67OaVPgW_LQoeRwPzOaOQflonVf2QdzifOIz2fOU3Ok"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f364bc69810826';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\/1038247965?__cf_chl_rt_tk=ReHnYeyGHDQTDKou473HsJ5rfE2Y7ORvNcS_DWljrZo-1739099222-1.0.1.1-M4DOoMHUhDto8HRFhklv81Ln8nT3DgqckzrANxZxw98" + 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