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-affr6ud68.mit-edu.top/post/5730426819

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-affr6ud68.mit-edu.top",cType: 'managed',cRay: '90f364c71af1f283',cH: '2T8gRPYGYvXV8kADCxTTtomXlU2Awq4kaH3W1OvQpEA-1739099224-1.2.1.1-k6AyMI4Haddu6fqpp5WmD91UGuJG2LktXh6mCU8DCcF19HwmTBQf8LFNdLN8w1gQ',cUPMDTk: "\/post\/5730426819?__cf_chl_tk=WvCQ7xwYfaQnNWxjF4mk4597rgV4.erfukMD4wb51Lo-1739099224-1.0.1.1-BCyZZ5wl229OFabIzdOrKNYEhH6GqDeD9.0YM50OUBY",cFPWv: 'g',cITimeS: '1739099224',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5730426819?__cf_chl_f_tk=WvCQ7xwYfaQnNWxjF4mk4597rgV4.erfukMD4wb51Lo-1739099224-1.0.1.1-BCyZZ5wl229OFabIzdOrKNYEhH6GqDeD9.0YM50OUBY",md: "9nFooL4A5IHNUPaWAlyZg.qk4hTYrTb11jV6ztzawuA-1739099224-1.2.1.1-ehRNppGSH6SCaVR94ksaQfN586iO8Bu7tjglCO0PeVCiuJp8.Oqjc5T60p6a9vIB5CjMqyOwfrnMZdwPA5iUhlCVQ7JarJ.luRIrAnE8nupr8MVB8QXGBimSHQU2ZcfzJ1NgxicgBvb_SoguQvNPrwaff_A5cgxQvEynI9cq4jf3cgXb2mtV9DFRgwXCzgY8QVwPN8EKQTVEwo7X82Bh6BzT2TmwXHpIIY82jftf0RAf1eX4ML1dvc2Q8f8z06nJmf2XjtRz7cO3dR7fED.Cc9SbiRlO4bJwH1HoJmYNhQJQr.J7h3wlaiz_87IAvexZ18wzzWxf7hYaqlYdQj9yiD3t95pMeHkFkweh40ZK7jpQJD7j2npZ.xupghTDO0aRfJG0i1vJ4IZopYvUtHJbLAZos1pdjTzPCv5ELgV2xNzy0Zg2Cdvw6ezqDRFq3CAYbfPPtUX06g4qEaKN2p6AstyQSK_aUxw2_FQymAs45UNGTaAeFvZbukuU_gXKhwRbCXw5byyY8o6js_lcn5DFqQCEA4xRh8tv9PY65ME1aEGYzKTLcImAesUhJXVP6nEbEHTOdrX4DY3WnVItuHDUJ3uVf90VQ17GymCNYko29haz2j2C7orVKVqUiuTNVd.KejzOG42UR0chE111FCg5HJZS9AZ8X8x7Ygxw3dh99EmxvVe2dMyEZCPJjCmFU4C3yKWNXIbwpip15WR19Tq8hxYz6oQl0K8S6Pn6Bz9c1LRR_S9RFjEjSuQEnxBlU8npzyHPExNgmNO34NjYS7uPDLd0RsMIbVMUIjewJ9HvzyTwc16ytoKsiQ2.PYBs1yRZFXdOLcO9PalfcHaB0ltY6XC2zWyu502rYxdlCtzNi11DlH4cMIqxfqz6cwclirlEnQ6ltKI8DRDjdr7xU.ewulmxD_V0ciAIe6YbJqPtnQRXOnkq9Dj_pc0kTAwFrMOuZ1wy5lf5ArczPPznwW.FVoVrhT9EFt.24.Gru6WV7jYxulWCqF8FWD9eatyVVjHSsl4o2jo_Fjay79uJc5MdOKVuhQq53_CNtEbSi3MVp6rejdDqWPO032YlNtZOSQiKKVwFbW7QYR6nVaV7lKv7j0g_8z239XOycF6tAtehfe4_pb8O3BgXWGBEqkM5wQUe_FnemrJfzprbPQDXfM_LO7bgslkXJsgo6COqFNBP7nMgF_duTb8tBTyNH9YJDt7q78KYXowAuqRD7jXfQL6u0_ZJkWKr5IN5Gq7k.V3k7_SabR2BwJ2gKRK5XRBvPwz2V7aG0Qv96cODcQZaJq5u7ailYA0sU5ISKI.GE6rFv51VUViVG63ro05tt9U4sqB74RqVjTf0XbTcx3kjCBg1fxznLzFHMqV5V3FZA.0nK64k.lw_CYpFKTxFe6SzuM8Wb.tj5gs0Euomxhg5WnIU2THwnt3BtU.s4eEYfqD4LE63VcnhdQXzw60INKNWEffIMDVoccw_cDQrx3u1fLBQNBo8kzA4LXs3_Mi1zP9p4GSVCYJfIUDOf0NDDEYn01euEEeT5VxVaLHlADmdaijIZNJE9SjHVW.BJK9SEy0Cpsq6HJ2_guUQ8OAglZs6YsHs_Jt1u8vz8N9Buuss1Zn1mE6BzKaaWHKXJ_JGyY1Gcn9xgSfds11H.y1qNbTZFxXD1Yey080qcstUbnGUpoD2QRG7fJj5CgU6QzeY9xodH8GtuQJbo.DcSHbjmlzFJX2ifqo.0cHbe22IAlfogaBaErfd9fswveyMjMRIiM4tyM6Nz2vQzcsVLCd1DdJVd8UaFDo4syXwAE9WJhQNVeQ417UGFkdQE4EJ8tQEHZbtr_K41Li6VlbbaJDKhQOw8EdeeW26mTydQ6lg.bg1T6bch5OdB5PSjpbyHll9bstsQTOY.qBv5hWP1j2tJ1rJ9.jnVeWxYz8Xi3nN96BEsYVZRTRPU0H_UeOkaXtdq3mHJD3IRuGKPbGk_6e3.TpJc5EJxks1Au9s95fy9ARyoxOVgTzF1bzTEfR7tgYQL5ESgtogAnRxGKuVSMbmeHpRy1IVAh3SOX.GB69WcgXanqcdsNz9NroyS72kx2jDmNSyl43bg69oUX6TCMy.nHbJHIytnfCVVJ2gV3LXuP2ISFTuHn1Wj59sy_GKGOp.Nf73YyJontCsbN7yaup7F9SvDlKggDgE4jKAvDYeMWXGzzVG06KNlW2HyawBSfKjsNkLl7qDPn.t_vaHkT_JEeyzVNee",mdrd: "7Ei7y1dB6MoLQyzq.Lke77rFwa9E.FxE0TRslnOOIBc-1739099224-1.2.1.1-D5OiLmdWnyYnNeRwFrvaD72KBjHwHmpndR29kRdXzjz61pvKo1sBRckJG25egvS0JQlTiw20Jgv_7K7jd0_ki3wxyGjiymZaaf_ruUHqVacnSi3emOal0q_kBzhKdbq4VqyEasYIWRsvYLR1iAt0U86YaELTdQEblbYKenxqU7aLsGw8UbnRLfkFE7RDlMnIn.JgsJCQ6oJuab9Q54BC5Ug7EapQbTTtp38b1sb103lX8iNhvx2gANP3W74Yan_B4WoO_85cz1D7opmtdgZs_AnqsDLZL6Tf501HFXanTo4AOZt4Mcl4Eja.goUa0EXRr8_Jujg2c_yFoNDVL3uFEsggrRvQAsL3.pUQ9NxqatppsCsf.yYyGnokNprK3Mh_jankxaAuYr2jAZmgOvn0rV5HgtyPX5QO8HchRANzNqyhEKRdmIPQH7Mr87deQeltTicTYSCtBMsN.RNCE4pcGbfZT6xmxYKErUUniw8xGv4p_B258UOwnWMhRfT3dId3No8FswiGljGz6qmNtwkUan1nz_9tEeeMkvi2TPW8loZx.yuTCyOIdA34gUihd43VG1GazdaagecEK3ynWBHBXqt94emj5D.zmAC0OAkt9p2AeRICNRt96vk9ZlxdRjLtlC0xBc7tbQdNeZPqnuRo7ky5v.YlQLnkTCOnz.WbdVS4ZDTnuHu1Tp0YXI1mVwylXGZhGTCqr0pC0_HD.K6MZmxBQc3HcX4MSNBks75WW8IgNchyKWp2Re.omvvF814lW8QKEBIXZhFvw0sm1PrKuDxKnXbnGlMvcPpt.sO._DvsyJtgo3DTHITmrAHTk.PhD7WnXQdB08J3De4JbSz5g71Ecpw1GwcNjqUlRODB4YLCBjjKhazdmLnbqb1MFuxFjhGkw48lDWp_uXrDknT_.o9Q9jt3aooyxA1faReCGDNCAArEb4Tl.F87ols1W80dgfRj_w3dLhpnUFWcA0Iu0vt7_KjDHEwArUQlCUpJEXoafgrM35.yt0OG3KUa5f.81vcF75MyBHJmZslAl6EXZFfrKiG25JxW1iWOB0qp1fMraqEfGTDt0RncqkTDm5TEYICceI2YyUdUB_hHWpX7CY8Uqb0MdflaS0VV0m7JxvbnTMSYuJtABGeFlick1YsNB1PCMaklUavFqizUCz.QEptgo865zr_zYxG39SNoZT0nAG9Q7zYuWr4VGBgwQKPOiCvJNEnOgdDoLhppvoy5KjqB6jRriPYHwczsha4s__ORJ0cNGs8wIqfnOL2YNNIcRPMbsvze6DPwm7heJPTkp1fr8NHN4xrgTjU21TdPaJkzhOzAO8vh_oHMt83F8dMBZIcXmYnjRPRr.HzZRajcPzicX56H5V.UoFMs8vCcOQ_nuR5w3bNg2IfAvKeAhjkz9wUHciz2jGvQS5fzy2G8Lz8PdJrNiwzGcZyL6RP4YPoIy3b5oHnom8wLnLdGicdXHFHJaUHGjICSl82lR2w2U9zzAqDtUw9p1RuJ6Y4nVeaYMANoQzMuOpiu6ZP98taJy_UxgshOZqodFScDk9PMdJjISQSSMKy6tnlyawrc9ijfRnM.8G4Qu.s2rl4BFlrUCTR.g9PXsE1nqgRuJhIkIxpNLNBXpfii5J17qg6LqSy5Ln1.QO13PzyvsxmmVznWUBG1h8zToBDfl.O8WBqz55UTqyFm347qAcP926UkHcZUJ60MuXTuOK7rVGnlBSFUbAUnOWRTWd9wF2EDenCqlhEV5KGg5iuaH6TuP6e5TxkVnDwLv4Vud0egILLqRbvBCfLmH1lecNB2cJkQ4WZ4Ew"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f364c71af1f283';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\/5730426819?__cf_chl_rt_tk=WvCQ7xwYfaQnNWxjF4mk4597rgV4.erfukMD4wb51Lo-1739099224-1.0.1.1-BCyZZ5wl229OFabIzdOrKNYEhH6GqDeD9.0YM50OUBY" + 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