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-400863785368.mit-edu.top/post/7391860254

  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-400863785368.mit-edu.top",cType: 'managed',cRay: '90f364d7ddb9d679',cH: 'lusBHqonlPdnsuXd0JAHD7WzV7CiFA18loLi0WozIGo-1739099226-1.2.1.1-iy.W1aN7bki6Ul9XOa0e5wjKtMwO2_m4N5SXoho1WpAWmJCw_v9gpoWRZDwp8vsP',cUPMDTk: "\/post\/7391860254?__cf_chl_tk=UcEJHwqzdP3fdE7YgeoEI6gEr86K8fyUw.j5WLkZ4CE-1739099226-1.0.1.1-GZJTO93zImOnGh_sWDccswlpCqd8WWenaQe2vvHOpFU",cFPWv: 'g',cITimeS: '1739099226',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7391860254?__cf_chl_f_tk=UcEJHwqzdP3fdE7YgeoEI6gEr86K8fyUw.j5WLkZ4CE-1739099226-1.0.1.1-GZJTO93zImOnGh_sWDccswlpCqd8WWenaQe2vvHOpFU",md: "R6LGixNJxlk6LbkmgfMYGJ9v_at0Uzf06YD1_kIUToo-1739099226-1.2.1.1-McMPr91QQCAoNjjpIOKjjLPmAM8oqdec8fXLCLeBG85Vjl42uMz.FI0gFLJQnf.ZbG6_4paq2deVQbIuiV8wDVx1W6pCHqqC7hfTxfAnmPnk.EgtPKsRTvrdMJoDYDeYisOOJsxqb1w7XljxDTaQdVhO5Vaj317anX7L3Fmx7xXfmVj2wBLnWZeq4MDAB75vZm8rwd_gHM4cSDRFDlDW.3RwontlbWDR.lqU2D0f9RhbRl9WrtqsF801EP_wb49mlq.plcYx3KV1ua7McT0QEhp5SoCJUjckxB49sVQT_w7yjQjlMV2jL.lCFX6L0jddviMHwuYgimawFYaE6LzJVeeYUVcuVw4uGylda3EeuyLbf0Ahw3Tc1aXEBYH90yRjMc6730MCJA1341fP_gbU.dmK3J5GIpmFmr8Whf_KOD2Gvwacvi5yrnapq7v3iydqEibpGfJlkSAkugjdmQDFT6CRblUKJtBQbcGQsUA4H8KjSWjWdcuorRzzRw6MOsAoThyxS5wHonSrF5BoUeFpVLf7FCtBAjlAOK8CynvlbiJwv9uCQW7V5gC_iZNwKU4VHV75_7RbHUrnjRG7k26UNsrD5ufuqEA_jA1Y7NM88BKYTjiF7GY51eT1pIBX9dEGL_mTg4owNFqHvIig_eBrk5EdB4.OONu4dfo5NRatu93tplja3SaDjhN.DG0CeGiwS9KzSoDcShttbozRir9OVJst.xyBJs4q4Q5O6BLo87ppZvIZwd02goRAr.DraS2xoOjqJfnoVs5eEfsBOLfN_pfo7crY3xJBMmhugthU5fIDVVvOpfC0IArtX__JYNwdft98GfLr4RH5eL.9fCcpYRIvPRB.C1iSEPeDDJ5.fFR28Jx9Fj_aQZ6nq6wvsWCNWhNhLKhfwCfX9vYuXyt127v3qwzySnNOB_.Dgiglqmf4MackO8BwsQBZ8LZSYfGxPu0ps6It5H0.xZ.SMZWU2kMAsr3ga8A2rN46wzo4kdV_7H4araENcuSwsCnlTcflYtJ3_xhFYoHKX8_o6HLAPKj.ot3RkwZNrycfGxLNvQQ.5joCfHkYbeOD6CQgajc3EQkuPacVMVMaa4CSuu1YzXdedkyEawfYlSXqHDu3yoteBvSawRg_nnMkwFYPThVrD4j5r14Y0gRMJfENx2vXjnHqNzyAEPkNCJDgFp5AnAo4qJ3ZfgrULbH8twvPc9w3qVBVDA55gv.uOgCCy4jEaCShcTZ4wOmXyQAeRiMUd038rp53CyqwekjQQAJ21YeotWdDtOvK1hfM3umhNsgCfjnek0ZZiOlJ.mxygl.CdtGbyMD3cx.zn42MGdwKD2en6iWD1lWTphtNIYgxyAiQN7Ni5RyNqijT2iWDNUJDzWVE9pg_Hd_swdWQozz4MDbq2QTE.QzVuWTVPTUVWzAn9SswxBNiVBHndXAQrXYDBdrp8UrwU.HcXpJFa607SI3iYjQE87Exza2IMHPvcAWwMC6xkSXDGoFb5PGeZUzkhbJdaWHimQlOJrmL2vruMs_8xch87C1flp0xACYfsXfuqQIywjbxsEo_mhhSoew10SkF_ZJpGvhYOOhABCcB1A2Yhl5hVHpg0DDv7nzjB1AOJlx1Xuopxx3QluHz.XQBitr9gbD_dGyOm81GdYk6HgtGKnMcau2h.QNa2EKAK8zKeiCbsmlI5203fLiSCRm_D2xU0kbOluaexhAMXJsdIl4Ym5JVoYjhuMcqJp7JWStF9sGLcEzFC6KC9r5ozIPkj3sAVJdtBPHJuScdEGQYN67MsVj7nQxLOvyN.nZMf.tyHuY7bqZFSMnNiG2RlaCJ6nu_QAAXIpGFnvgDSOwd1JPtdXXKQ3v1EkLeRm2dJKVKPV51M9fQKqMUQtQWXZYesy5OCHtqYZUExCb39s11V5Q4.u4B.J8f1NJBO31guc9DoCJ8VhJab_D.ib0Vb6iXLikSYZrqi_IJpC4EV21tIkKcg9YPuLqn3hL3zjX4ug9GdZeY8fFOAWmFwwYEliwZMOw2JhkYCsLqFwJO6dYVsfKkq7A_mzNLdfvC7k.1J0.aC3jCFzao6ihI.4Tdq5uTXPKwMsvHxAVLEUXJmG6y2xHoBdOA2ye2F8op5h0NWPNSeqYGjLcDLp_.IV0z3y6458DSWJ0m1GvXF1HWMXRmzulRixdqTLo2RwApmCnx8pYK.14zwGuIIhBmHfsAdMvUxqo7hdzRE93u.vdBOeCPbOcN",mdrd: "OIphHSSHXcC_ReJq82WkrWBKBB09MMV9AELGhc0uBxg-1739099226-1.2.1.1-zMch6zHfw9YzBwOPuDfeUilBLXdQnr63PyUBgAuXc9RBWwccgJIrYbbyzbdlg.1sCGjfp7b_RWWBRTUe_YhzeFqbCVxY5jeFEjpprHQeTCTIQ5t8f4yaWzqSJLQ4FUbPhPzXsxL2gg6CPQcGSV45Mm.Av_KqGLnEUno5nDuWGFX11ZoztvwXYxHLKiUd0kkfmxG5N_mdACjZa.olifIiSGkX4EByLe1t.QaxY720nzpUPp2794_6omxzc4TYlnFgEQ_ApgB64mz5MCoVNyHnKc2AJ2p3VawZv9vOXFzhhVWsHonEHH8Ig.DSxnEHFWmSZSvWv9HdoiPf08uarP_5CvqdOLG801zZFZdpGCHB26U5RSM3kJr7djUqKQrm_nGmimcIGfnO6ckAkbUQ0kBsD4NyicDIANZC3Rs2BvYAW1E81mX9z7h8ogdpeV0RXqeFXO_nufqHvsYs9JcSI17f1U9_Rz9PQonU5Q097CSMgvFfhRyYZZNZJvaTunX_x5l2SPlhfyfkN7e7z4tIBQ_mGBPKmQR7Niup78m_V1hjJLxcStN50XwotX8ZE_xdOaKLqKYpredw3VJiqomCLaMKO4YbSR6F8_lYE8wZB8yfsK.ar5aRKgpMjES..49l0rv8o_nayNcVclZPBxonYVafq3DEqNlj8fZ5bJFNazks2JZKoFxeuWSV429yTRXNgiTiu0SkFAaRZWazch3j10ASf5batm7w8Upl7aly1oDHvv6qg1TYypBg9ibN0ni7s_M_vJ7NYy49wTmiPHdpv54D8SCIbFOK79yh_zaaq.nbv.7DBaOo7ShxRLsbfUaSK7HSSs.Q1WYm8OTzdYtdbZQ1Dr1IkPtCx.iOkDhH7C8JXue7lec8YuLL2PcCyNEuI4eyXHTSi7I6v57af5hnoVbWqCE51pAXZxsyoBbZcOhak5OlVePLNcfFh8hj8zE9SJtt_vd_fWaeSDGSt5eZ8qF_KlMYRVO05Ff2wqV8_79SriSGY7Qmfo6ZS0AqPuDxseFp7fTjGIROHjCZv1oPVaXPcf1LY.o745x55xfcLv7dKaUuB5YYIdYx8EzkHwrw101dwn.m8TV_pODMqJNT1FnZHrGF_.gSNGSztBj6YSqiB3HRqKIhMUGr7knkVabFGsrCV6HzlkSxYp9KGpROw7wJZtdcfd6nPckeMF7xZ4nOhtIwsaiYqro94cd5MISOf2XRxbWpKFKTW23stUjXfu9jk3nOtp8LVntN4C_qx0W5F5ZrKMMC9CxNqCMmo1lr9c5V2fObQ_xVzF8DCsQ19VNuiUZ.T4GtC.jGwrqN8HH5yrIO_Venu1DGrgJZZ5SJdeUtyJFZ4NKNDl3qfMVDlu.IJ_GQZnLO6UhaIh66EgOl0mzXK.ZL6ANm58S5LsHP4GMKSNMeAyZAG6QeqFhDuldYvPGyM0SP5Z2t4ixP.F7uMe2PQoABYvpMlvelL._2b0_PvQTcHdVeVC_pE2EjRFM.U3MJ3FKby6eWwxxVE0SWAxhkPjC0ytech8hBse3F5ndV0YaZYzxi7ve6EKluQv2WYwwj9Rxls4QFhwGZMZW4hGE5FafyzfIH7B8pNqQT8AMIwZMZCaKJyc0NTasVDbfLkUBtgFo.99PWMyuM.Xk.qnQ7kjmT50GODaAWjPegQhbGuAC2SL26E5UKj04bet4e8w74r8BPKKa50eNaBQQbYU6uO5IcVNki4audmbuAwW8FWz1eVDeJvZOKVfoZh.HC9L1DYCBkE8v5veFpN5Cj9ZEVLsvkVhtig4bjFuxkmdhtNcMQEcrC3.y2UZHYANJKPQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f364d7ddb9d679';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\/7391860254?__cf_chl_rt_tk=UcEJHwqzdP3fdE7YgeoEI6gEr86K8fyUw.j5WLkZ4CE-1739099226-1.0.1.1-GZJTO93zImOnGh_sWDccswlpCqd8WWenaQe2vvHOpFU" + 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