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-390902030668.mit-edu.top/post/5923708416

  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-390902030668.mit-edu.top",cType: 'managed',cRay: '90f6af3dbcb12d08',cH: 'OsXptFpzvrrfVbIW9G7NMSZaAG.jOQVlCIwNDOxBmrA-1739133731-1.2.1.1-AhqcbpODQkoaxJgs8suxY1a0oQp9CWz05lDQPYKrprTKOjkf836KwIufxnCSBxwp',cUPMDTk: "\/post\/5923708416?__cf_chl_tk=q7PeVUklY.IQ5hkjjCefJlysrg92.aq7SooXesmXZ_E-1739133731-1.0.1.1-ZXAKaRfPVvTnwoSetHnv4CsZAdTwx4GFEHy_iUm4wtY",cFPWv: 'g',cITimeS: '1739133731',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5923708416?__cf_chl_f_tk=q7PeVUklY.IQ5hkjjCefJlysrg92.aq7SooXesmXZ_E-1739133731-1.0.1.1-ZXAKaRfPVvTnwoSetHnv4CsZAdTwx4GFEHy_iUm4wtY",md: "VoJBlPvThK6PaDuhZgX.Xd64UlmiwKTAD3Ev1psRXus-1739133731-1.2.1.1-MsTaKf_Wp_CnsEzWAY6S7ikzyTvs3jRTqiGmeFZH1llUEY8TH.jSg0xKAXZoCyKElV_jtLOM2.KY7914h9eAMIhEO06prZui6EQD_fAu.9QXK3yAhoVzLvZjstKSxhAmLFuXaFU_fpWE6dSF0L2HuPkH_Ek402DiGQUgacQAWhmy4vDQlYvF3BGiGmAcmAHpm5yzD3T9mQHELKskIvGmCiuY8WcNGKys3CkW6X_iogDZWfLcibZRPVlkn03LawyrKt2p1Az50.aF6.TawBSaBGI1RrkDVDX8YRAuZXUNoQqia.n5WpUW0ObwDZDDlx_TpTTkVU13pXzWKThPTAcO3MwtCLAAcq0v2dnw2aO6YJAGEt1UZLz3V.dRN2XFLHpljArMGmg2Xx3_bnVLhqXvzH6PBOd5GAxzMgcTJR.EjyHxqocty96CPj9XrRxr0.TXHZ5vPNi3Sm23qxE9BiDyokUATLC4mzWsRkV0z20sU7rAg77SHZyd9GuD72Itv4qAeCGjhmvlQkPPKzY8ryyfZlvfptW2pVEeibdpY5zBQ7XeAghOGXpFwerE9AMALRBhaR.sAmW2rj4eQnff8MvZ1DgplQgMFFawQkqLraMmT.X0S2zYKCnNqOvgVzPJUpDy2Bx0ljoXNhljFiRWB0aHJV1Mp0H..MzinaLi2IY4wtY9X80HFQ0R3uGdrtLHUBh69lNvxOmAw8yt6JVvbup5lr08T6gfi84n0hSC8xOUXR8QkdjK6lsCMP6kCTEny2JJoDhK3pRy6wP0f9NDUgCORdRLB9NxH0Txe3wEQRxMNqnuxtlM5aAFS4OcQxiqio0UaOrOhFxcx5XWb8eG1uG5WfPuDHQMvXyubhugf7clyquzspMUT4V5tzKE_IJjjKV0_jXrHVbQTlaMP55l7Zy_ShE0632JSe3B6b97MUkmwxVBA5Z3xukZU7VQL77.1vdXYcOqAWp4Ql.TXt7sPXB44v1keIaFiUsGggM7E_SvLRIBXXekbcF35EuOL5G0hphMMWilk6OJrkKwZE7uIIBoNMyedILQDgFNSm5y7.RNG1ULeiQYbbOSpOHwEKRrF4A88QLcN0P0Ct9h1bhokr_tiFBQT6SJqUlIxl7uCbZkmdFwXBrxn8X07SgH7N4Yiycjpjv0w0yCQ6z_0gn4UxpQEWHd8M5_G4qTyjH1LEVw7x05ylohSsUwU5G4rAEmxu7RyHedub.pyREcrnlqwDQqhGZ8.XaoHzc3VaYx0NcqarePx62VMEHzAenxpLlPXWm9Xs3MeFjbWW29Q2GGR0Op2cYCOVtN2uf__NcztG2aJbWgS8IEEIMdZzTTT3UAs_PVTm_qS.t9lfKLBlByByzrKNnCR680NxQFWeS4cSxJvOxIamF2FkfBo8webd0Fnu6YeTnXRvTUbP7ncBzq1_bzkIdd4fX9LqcoYff2CKLgtE8b.5Dou2MT6_roqbRD3rSURJUNfrX9e7VbkhXm0kb8Xvmn6cftlfkaRhW1Oqi88Ez7I8118He3xyx6HJYyzndh_nWBIP12b22rGTRsB6vevXNFuxFN26YcJ49LiDrCQYCnmnuKPlbY2HSmGC3NZXpah8cOgpGDFw3hNEQyiIqBg8ybOnKBG11tH9VbV5pHLhQ7m4H6_2oq0RDTzI64VAsIpMKv1g8rsJmg0T1VsLBctmwCYR8GDFFKyk7ZT4yjYJSL76ZYs6LHRfbQ8v_d3xCqpcwT33BfeO8ZQrphtdubTYoizlfhAFR6TqJDQRaD_rXmS9lLhZo5UN9bgQAEV26m6oKWQse7JyxRkkZR6dkFrKYhAEKwLCLkr_yPmBSOZplLUu29vNgpkFyaCF9SR0_eORjmbHzJZKf.n3A4mY.cj6EvGlaGwpYSp_fJwa1lVn.QhA6uTVbWEB6XAdFqgJuNdTymVSes6LpjbFTSifSen8DR87rizgc4wl9aKNbIGG1g32Pxp1vFm.dXQthAwQgBNnOAP4YVV9A4Vgzq_PXBXHmgAe7bbZnDvlyzV3ys4ZJUJ2CZlnipWtBO9awdN6jWiiHs7ekuxs9U0HQIbWEVIKTYG8H51U9JNoPJ4XLeuf8eW5aDWCz2FFa0pPynCiLWvwruJenxGYEd43BdVzFeZqD81WktBnuLNPaKyv4g_NEs1NAmbnLbiqk08j_jT3Z_BGn.WrqxxrOrwy.iZMmHZsTN64LtyZjuQgoNH.1tpVp0y8J6oog8aXEx_PUbxbsT",mdrd: "XbaaYLT_.jsLpIB2EnhyTU5EcoSfthruDL6TuzVR9qk-1739133731-1.2.1.1-X1ypQxjt5Rs.pHrCe4Gj2WceEDtuWuY80Dsv0OmLN6FqZHetdorIeLOzZb.6kxhTDuRWC2GxxQHDlexRQEyUIdYgIkD2WLmlBz1GsHtNpr2C1GIIyVLwF9nVoJjM3t7w8EgBCf_wXjI47BOmEEQEKJdMTqd8BYhMFRNtT7YKwnHJH.m7XyYwy1PRlAjjNl.u_InLKCankNYUFsGIXkKINqJZbYaAcymKGSdRX2zRptRWbYvWz15PzaAWbRekb3H_bn79Ut0uWt8kDnh10m83N6iX.mNZBjIcJMvbQgbKxA4b0z2KAS9Y7qhNcNH4.owJXt_CpOzQoCN5fFo1l36hZtIEeFRlLWZxIxYUQjTA0f_uL4fIAGZbdvVS02h_au47LevOKH3Dkc6tOzTKJrnXf6XWmR859eclZhlf3yzvSJLEjVt6ltMI.2NtQ4zUPyfLGnWmeBisPz1m3xs_6AUdwJd4l9d83oOmUa0.BgzAm1x5WIzuwmeY.m9VyCJU2reA5hebLw0X73oMqBk7Dn2JMJerOTndgf9IW4CpR6.I3KBFb.bDHLkliRBFNUoBwflOZCPnr.ggRnHf2QctlJaDSVdL7lJyK8RsTvofpwke1ta8Hy7qxzcqVgiOknVxf2YngTcIfLkjUWlJe9I3vR4xaDUpq7VAOCdGdPXyTr3e.o06ETevH2fkPaafeXgwwO9mBSmstkpwvi6kratYUMhcd5r0PV1wA6KC2c7g7EM_U2ElFZSDvHU9dxb5G5Ls2DPRiWbl8EmQOzIbbwoqWfvuZJvbKsC83kYFdPZgWuz0BmRqeBGs6Z7DLEvfyRNpll88yYJ1GO1DHUIOpoPN4WWYtQ8zGa5w3wyWQ8OfAEFfPsCznw_SaYcuo106iukyndJfk_mu3k.qnzha0DdRJtDbsJvNFiyTes1NGkpEV2EhjHDcMhJJ06wdv9BOlB705ctKsZhEJNf2PHy24f1x7IsUnrkElj_ieh9XIAb4f0tVTBdPxBwxy5PrjQhoMcPJC._e1XiT8Ryr587r.0sqX_Gbr6SJCwth7dh1hRlXcuZTidNooSW_3VjN5JKUtLLPnEnCE1_LMSydvJWpls8fURx8sy.WuSvTVELLpEpS_5eQ_cDpknWCuTt3k5l.LmFPozh.X1OEIkkLq7unN.n0tRj.TwJS2Ms5cIbJPGHY7tCVaXT.O4dDkE72B2O7mTBaZhq4KaBM.ySdMKaeNBGvxvP7Kbe1yyafjkMv.49hFpB9xY8OaKziUTpT9y.nwIviqsQ8ilv3RgUpRAszmErJIEigB2OWQLdhkD5m5ZOVPlaeV29FFVZfjwxoe_wsUtL.2bbUH7ocPHz_bbthyEW1AJbFqqIQTeWRXwNCAiprTR0mHBtzLuFKd4J3BbdLcA5JrTYp1SNA.GpRjQd.0iWiHG3Sv2jFh_or5aj_mcKesTgxAJilaNCLux_Q1Mxa_UKQc6esOmubf087vkMhbgIzfN86KOqg9bicZfmvR9ZU6JuD6F3A27kmLIY3t_cWyFuuSC8Fssbc4Go_HGfQiwdsiRtWpQ9GE4MKp48.nH0KHeATp12YNolIo8ZjSAqHYHU3s.TyiIXHJS1w6eEVl5qtRvm.xwRj_lARkygELy4WjKGvdYmrCxry7Fqovu5rnXgydbRZJKZE.l82_sJ168xyKMpdQxd1ZpEWKl1oUcavxj1FNco3Fa1Ep8v9LNrGoi5s2Eyy30dgi0hHtRCw50Z0BtA_AFLkJQ_LwR2XhFSiekGLI3A9S3upCQIxJ8ePnIkPy57vBnv4by9lrhD9N73c.oWQNUTXy25_YTN0Dprm2EV7t2C.TSOhYrcvorDoT14gHO9Y"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6af3dbcb12d08';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\/5923708416?__cf_chl_rt_tk=q7PeVUklY.IQ5hkjjCefJlysrg92.aq7SooXesmXZ_E-1739133731-1.0.1.1-ZXAKaRfPVvTnwoSetHnv4CsZAdTwx4GFEHy_iUm4wtY" + 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