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-affzyg0s8.mit-edu.top/post/6519238407

  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-affzyg0s8.mit-edu.top",cType: 'managed',cRay: '90f7b19cfe55d645',cH: 'TnbD_F3LQjxP08mJCzMXLYlNrSpQzSpSTm.dHOtZDxQ-1739144314-1.2.1.1-EnjN4.AiYzbOWtJpFEIvCecIXeIX20huaj7sWyXOpgY2.p6WiJk4BYxj.jgasWBN',cUPMDTk: "\/post\/6519238407?__cf_chl_tk=_BWAZeWckIYIjWKCTBthDaPhGfiZ7LTha30HNIYpGig-1739144314-1.0.1.1-LQk1Xb9yOFaejhYUhrPg.pjO2gp80IdXuwZEP4C1rsk",cFPWv: 'g',cITimeS: '1739144314',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6519238407?__cf_chl_f_tk=_BWAZeWckIYIjWKCTBthDaPhGfiZ7LTha30HNIYpGig-1739144314-1.0.1.1-LQk1Xb9yOFaejhYUhrPg.pjO2gp80IdXuwZEP4C1rsk",md: "iMVInDeVCmZbAGZL1gE0Is3HUz8wxe42XTQZlan3aKU-1739144314-1.2.1.1-Bh6tq81Z6NnIHQqIyd.f7JkRwEbmw_a9nXRUbRsUVLhxqXxR6hOs_o3CsybeJYtKLnfP1_QSXIE2cqUY9sTnn9sH5m.rasHXOcAPq2so_mizOQpnTWAUsNwyHSOT7f65mtUL6BpoivEBMHPRlBu2xzzK22FoEewsR4NdgGaL8ZVX8XPYWgmXiseNZ2QHgLrobdBjfFo6ejEXyYUoVjgCMZopGwtqOcWU5GyVl1UlgJXsvQV3ErgyViZC_cT4BFG6cYb4jyPqFNtJY4hJnGMIia0KPj0VW2F5F2f75Mm3hBxPT_CC6W16WZ3Q2Lor4vpGkc9GAj88wqaqwCnVc0C4ALCY6SK.chAnAB6Uibju_fJ4S4O6lBup5Z3rImndg7HPvZ2QjWEfOR6XSiQ0QcgGtqeBL02nk9Tog7KbA23zDBZlUJV6TVC1gIn81Whfl98UmQRuzGzqqrGOsFdDG3RdGXMltZQNVxvDunKtmiMq2Mve5vghr4lSE4a3w9NItJp1oCKKIr1rQ7fA4.bgC_FoBSEnvTbAwFCW0KIMLKaPxrhvSyC9.3mn29ZDABwU3JBdmPsg_pEu9PYYIOb1MY03K25E.KOufa3CQXm_utsLMk9FNPzrenSfi2mU.fHBIDlWfu775bofWAV_5OfnMLqEeggICuX8I5ovPcJBG4JP6oGfucSWXq8XubusH64mxvp7nTf.NmXPoreQQwa9888rNszMwsPWnYaO_vFmCrsr7ILuzIVFvFAQ.YmhYQvtUvB.p4sV7yDEY8kdQB1rMooTeWkp7SI7LhNULXOr.upGLNlXukl23RlwO5d2Blbxe7PF4tZN_cGKaqGynvUGjk12K3FhlXqp0MBdAz8AWwvYbaVM_6MK8qV3mmwBlIlyX.LaiPrpHVYby3z.WBTwBW7BEMjkAfD2x3VGNWfxn4REYeIjs6V19NP1i9Ke0VaYI9EIfzaWXVY4RFb.UiuY0DJht9AcGovgWvTvFAy38oo6a.FIh1UraBi6cIfmdUi5vxy6mrV6BNlJStGGptnpyGESVjqJ.eNN0wQ3DzZk6Ag.EojmgopuC8KE7JM9mO09GxgijsO6p6X5.hS94FcKDxHrPcdvIo14RNvH5cfiWFDsY090eqSjdHX15sDTqPPNLVK3W2eB4qyoPglYLxboXx0_jlsjWQoXGj9aKRIuGcuCncvQbABKg9SoW1PR_SD3u1SsUqrFhifBfLKUfdCHpyyshXkjUqEi5_ApBDjHD7brUSmXz96ClsEqr8ekpeJUI469WrSzTn8wfdljZP5jIsb3ZVttw_Ywdm2Y.bIoRMnLeeaZdgt7vef66pzm6PdsPtkICRDHwA4LJDGYhoMfmmOXp_dGVh5qz3_kVtwN061enCx4jy5cKYtkhshT4V1_ItIwhlLQb9avIIcR871V6Q76Y4xcUOcbJLTtlYrfprXS.msD4x8.AFHaIcnR3jxISNFPMl1npottPXaCph7zsTnYx6VLgexZ76gcJYceORFwPLnvt.eT27fgjBR68xnwa5NCLzK2qwG.QRP9KPdIR7mtZ.Td3bs4WmUGLxSXETc5BxJvovMNJ1MTFaRZtuDgAj.Iv2.UUERAK7tuqt2MqsM.sEId92VwlsVbNhIGkOm7BYdhG0TYNncXtfq7wEN1ePNs.9lQg8SRNmBcN_wfSQvjoE9gyZJuW1QDYnBKbjR7suPqweg56Lrrllw9U9nHPnn94FvXzW9Z0ccFvcI2yE6XUMOFPWizfcsq_s5wasdcVCA_eBmWs6wQd2z8h9FiVrysM33qlTftw3tMyOUdYxnjHLDitXzorWiS9iQjA7q1H36gXo3V9yNkGjMgMa1SjwY_7_EJg4nNKiHA7yPxpBChyV3ywsCqPr3K2ul4dKhujC2Kj3J6eOa7VYSINmaUznXEOSDPPG9B8bM_6Dw1s.FtHNTnVCLpyeE_f18CKdD3Ge.K4t4Idn74u7dofrbCquFOB9_ZTFo3ycStaWtnXnSN_xMamfw8RfzY9zoOeSvwGtvCeHU8xPpRn47oQH16ItZOM2eniKnHA2hj042WiuFqWqF333Et0BIDqBL5XprOhzxXCMhqqOKi.Cx67Wr0WgPOc41ZQIRoAkDLNths8ZAQ.ZecpqaY5yXSd8WvknkCNEddrpKPseeyFNV54c2cm.VsjOGIJZI5zkJ.oZRh1JJU70zNKod6talHDHWCgE9E7uyUOW_2EpW4dyjRXuzKDF0u",mdrd: "h_mESBujovWtflNM0or0RGt6AlluRQ.yW5OP3wJMmDE-1739144314-1.2.1.1-tHtFVMMWSbWI0QmrnjGQB4bGGcd6onY7vRikIJ44jS1s3O0TU6OFfWhSB4_qyn6WLY6HfYepyNnugVd15.IaXrPUOpMCJ7.syu4s7M5MrC2Plt2qLuAWImXqYFjGA26Irm4Jv6vwCTSpgi8xzrRh5JNz36cHFei1srYoCKXWPjKpUJ9KCOtfmle9.DPOr3OYos7APe3Ph.JGD3bpi3UrGA.DkV..xh_8RAm23.s.6wfFBZE02fozOsbwGJwqIQw6U8B0eGZkT1yIZjW6Nhwr_dvzKWCPT8J9pTXdtpNTN4lGnyD0CQgp0TOeZkZAmPIuABFB.3meUtBPzLjtP5WGNgSot2RJ.vmW6aCJ01a8lsfcSJgiDIjLZk44WVoVZrSJAVgdTpBh_ZmUvxtEz9fqss_H.qL79Lv69QQswDRhja3N.raz5QCf34gFJKnHKm1uDuMGbIwTim6TNLp2OFGhLfjWHZ20FC6oYdw_5LhQkuzHQSHajWNJ8LW9Qn4_cmtTuhA.Of4gFEAHwlq4c8bsRN8g4EBct4HOBiFNgHN5NrjjLHAvIxURzHLgGHkSqKDasdbIO6Z.TJatbKp4Ok19L5ibwxuARlTHTR_x3P82_ZFcgltLMd4Ar5fEXe_qVNaqF7XMQoLQJ06vgOlshBMvr7B5SppqsF0_FSGx_8zIEGEW6vqY40VztaLHU0VOuDWDu7ZtWYSAdi92maowcucVhUH8KHNIPnxeMSSeKOaxw.OIUuhwEetp2qfPV4lXLnUd3AqyY37AkrqB5bkoy3UK2pf43mQ9HjxgV9otLoRhud1CONaw4agOTmWqCAzQouUpSg0lYAPJkdswL_7BL1gDIgc0EJ0E8Z2k3SeQrboZO_LUSh7O2f3DXA085vllH44V2n5NQCCpMX5xSH_zrlEXuqzkfNZS2lRUovatMfLf99Q7mOVNt70EYBFNgG73pap6eQCCNvgfCS4uH4HMHohZryFzy8vQqQ0r3S_eYEFxHTC.kNU07zfsDpKHmzyCxHH7UEW5f4By9ZrhRd.l1heU_A_vho9MXa1bbYdITe3V5HVSY2CKZDk6oklsSf3UJjKy2e018fJjjXsWnj.4bLWwZgu4aU9yiAy3Jg8MA1KZuRKHCqCkeb31BpSM7nlTUB6ycW7MkPQIz54BNp5dSi4NrCQ671n9Op67NW4QbY06MRezDR52hXo_FfinG0C0fhIhPcdUJVH80RBRMdCDn_gmCx8txEnNyv6iQe47qDccPCjQuxzUZGR8opUVCHkQ8BAGYtf6R_zMCnWLh4aVY0_mrLImM7epS0SATslHZD1FJcp0EGl1b6K3q8UmZ6mzO886.vPf.aDm5YoWixkpMCxKHCWnb6gYcn3zI0bdXjNXD9CKYa6nd92LKGkDr6YtVzPF1X.KmtpaFBd4iQUAXauJnfXuAr.duRvXO4t94NucdEXvlvs9iFIUQ8vPoh0564SPtYx5Aiw7nXm0LMX1ONHgOxRVuhbkk2Z88B5LU7KUF7xbycp_Xa4pVHBRR6GtMyCLEbTano20XuRVash2d_Dx4p88FAd8xeD5.OMpz8li6MjBn9jvZNsCmL2L1y8lVyHaFkqKdYmM2yBjyBhu0mGm5JZOZxLegk.z.KLvHkWn6yBgwuvlS.HYBmmXQ.TL9bHWOr0n7DnF87Xoby6LPZxh_wMewyaoTG7J.icZDgNqKMzw2u4f9cHVP9jpO.7wbjmmyTeDeL9Sr9Hyjsm0FkWrPDe8aTTWSoMyb9Bv1CdpKd7OS3beVPWB9EY7zCwkW5SvFoomlJwxAse5CtGGMR8veRDlucOXvsKX.awa4Gcc9Lo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7b19cfe55d645';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\/6519238407?__cf_chl_rt_tk=_BWAZeWckIYIjWKCTBthDaPhGfiZ7LTha30HNIYpGig-1739144314-1.0.1.1-LQk1Xb9yOFaejhYUhrPg.pjO2gp80IdXuwZEP4C1rsk" + 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