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-685961332171.mit-edu.top/post/8139420657

  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-685961332171.mit-edu.top",cType: 'managed',cRay: '90f3a5ebdd74083a',cH: 'a7KK.oZD4bsIMH4FB1xLd8qTIDdJagtHbeNaG.VG6gg-1739101892-1.2.1.1-3ZAlEBdDvvusfCQfgWvQWpIiSxj_HQpp_wxzNCfRzRnUDIBsplr_6_E0c8FWagAV',cUPMDTk: "\/post\/8139420657?__cf_chl_tk=11L05vQ4Yv5v245Z3PBjLVg2gsCwapCTO0jAJ.v_ffc-1739101892-1.0.1.1-DWb_x3Qzvm.fG9FXVuTB6qDNMEuYMFmF1sSn1F0UBWM",cFPWv: 'g',cITimeS: '1739101892',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8139420657?__cf_chl_f_tk=11L05vQ4Yv5v245Z3PBjLVg2gsCwapCTO0jAJ.v_ffc-1739101892-1.0.1.1-DWb_x3Qzvm.fG9FXVuTB6qDNMEuYMFmF1sSn1F0UBWM",md: "r5tUMV8DyQNkBfxQFW_oI8CzDVH_mOuN8XQvzKI4Ir4-1739101892-1.2.1.1-P5nouuEnfVa1fzXiXjuSgTl6QdNtcxMuJWA1MVRQ9OQjlUWYHHpeM6QFFgUEd_KWJeClvpczi1LMPwf.jYmUglRa4JM3pq975ihd1bX62Lo5FEG5aeGoeCd_kqnFrXri3p6.5wytI4X16QLzUnrYa8y1ZokN.3z7Eh2nvufMjmuKmmlQHC1.nKyAC9y.mXB9KV.KncPWtO3Vg.vQkfMaHcuJB44r2wo3UPmN2MUpNXwikybLqExWvosNlMnA4_2b1z8gO4M5QJyJ8i12t5qVhnou2_xwC5Xp1RpoQJr9YmGivoZLuFFcFbQOfixEdA2RmGUaIefn6bu93iHNazufKOG1zZWPTm.i4Ck2fLxIijjob8bSv_IYpZixP5fVblX2NEfyR.Q9cwkXJgOO9G2ZOmyokS3y2cKXvTExb5oYFaDGICA37UDp55RUCKPHiqDfSH3K7IXni4gL231IM.W373YGfGcggsRUUrVGzU52lW8rCU34HHnsYdccND79jR8ubhaE5lhk1z2htGaVB08gLzxmyiexCI1Idbazxp_e0qQfxIoK1FxFMonAuyjECikLktySJTHw8ZUkuNF2HexZ12_pJJ1pISHYiOgjrp0oxAe8hEDy8DAgXRNgoZPKolCem9gsMJMkAX3ZUqe_g3szJCgIp5_yVv8yE8CVebpswWdED0GKL7iPMAkOKcrGa2_BH8QubUC6KdN3nrTegrTLtGZQUAoBCTPP2cr7mP6aLskwDQ.dthXLNxd4QL.U4vWgNpL.LfZmrmNWAuZTu1O7VI721QLyeeFcPXLfTnQQbOvXzwHbLI0WO8zzX1xnXfHiH.8WmZcg3qRiliKUKwR0qt5TNFUlqQ93VoCIP_dJAgRMW9h9N6YwHNgFn.qbTTNBQ7ZLh_gNt.6.vDawfldjaC43VcTfL0RVDY5pih8wscbH.jK2DWl_gbqopg_c9CFyB5BTYdERRbMafgOH0wSensTIsrVwbJ84Gy7FbJGgdSjp__.8MCQe0uVMtVoWOJH6LKB7fBQXZ7Y37o6Fv7CuRw4r1r2oDwg2o4eQyiWtUoI8NscOzdeNCvRwwa.Z_cGNu6_Rv9O0xZwTvjMZC40HZcPtfGo82eLrUYYtgD.OAJsWG1dBEe0UccCf78G5S4Bae1YQD_ywsTDZ_M8RPoDdFZq3Ktv8kTk3JtM3ewjkocoS9meFMCEDgz5vBqc7DI6I_NEFfoypHjstG4_GYgKEdn8WrJUjMibLYc47Kfn19muAGggk6S8OSL3PvV2RJJW7F7Dkd.SIQHarmNFARELWnxKFIRdS3nEKQXBizX7sQ6ZFKVlgsakSQfFp0fFrnRRg7649RWjz7f1RQ1tsNC_4NRWRL.4kycYTEU6fAypXCTYrrybs3zkPhumrW7mjewew17iZa4EJFuxfa5Rj8mDXuZoqQAVCzYW39dn4EXDkQsoEFmtIlTIamkUkLsiePozKBM9Q6JlaKreKulF9RpASAgNEI0zbAj_HP9fPZj30nEAY1kKblgvvb_eNsqbjXmBswN2Wyo9GH6QRVKLqpsebxmK51z0XcMsusbVC96B0ZXwVgqhWf.m929NTgpZZPVPW2yjw1S4cRNFtpwL_SvtemPOlL50FwoJ3qFE6FWcWhhXlmhcZz5xer2kuOC_UJC05MdvzJcSDG5wxxVScrTMf2diB8pURcgq3O6j8Hd9f_yFzIsXPvhn_2TGlO_jqhTAQeFsfMEY4.Hhk2VSmDB_fjJv8LwQbHZqzrEldM0QiO25_U7c05DEXvksjY2L7dG37NI2uu4A8w.1HoiR4YO65UwoC7CtzybO.0lpavV1DdjE3GPefNapO7A.8YYRkxC3sU57V2wTezlj7gOXMQLc7BU.a20n.zVdQgN2Y0VVcxq3yZyBiPju82tWcImFZrUCEGsqciOYCKODGCZLaTgbSJWr3SCrJEnalQCMalhFcO59hY49XEUhogCWlY.XyAZgk6d1JVuRpLr_EWAiAlwt70VTN9brZilMmLE1xdf7SLtjn1piJ2HfAB_BGy4GIPBdGKJzkDNB92sY7TPe9GIEiNzIs8rgJQ.RzyYz52uz7bIcur7MW9rqaaerq5DTFi7gLaUyQZB1ucOmQmEcUn5dD1_wdEOCz3vqWWJKLvHbVQ3LYGIlyF1iSlb40VGZo_pfTMhOyNKPeJzUUeSt9eIPoVJDLkoD8mEV7U8JO0nBlgLnMjwK8yk2tMFgjYlZ7GQfj",mdrd: "FvH2RXr.9GtMCbtlWattOJTBtkUkWKTyG4tb9YXFZQE-1739101892-1.2.1.1-Ssds9FroCf2gF00.sp68utsmzNfEjW0D8Uoz6i7eCucRiQCWjQbGbGz.jIYd1LmSF4N9SK0hDslqcZ11rVQImQ9jAb36j28DpWfNTdp1eB6uyEk2MpI8kc539Cn_.r_2qG73GF1kFxbp0bbFqLyLYdt1v8VYx8sUOEfCqmAXYcLfA0jdAniWywR6LRMXk0Vlc43IQO2IlDNiBh7Bl3z05hk0VgZvmbuOKZ3NKPFqZ3IzoFuFxjFok9rNx2S2hKlQGD9WfWuFmS2eQwVjX9ul8Oj5V6nVbJ6eUj7soSXkSCkF1VXW.6cjbgPODbYR1CRPyIUSdgRHP4kgiHfNHlrkHLy0xVU6.odRIKq0EiiFNJ7gEOBiiaHWMzRT65ksJsm8eDLvTe_d572RXy8ibobEEzrWXPEoB175zHXHWzTTOQZmr16DGUjGp8r3ISym.e42pF.7oRjgQAd1JGxh_QelMCPGRKx11KUB59_qRRll9nH96GIOcK2RLp8UQoNu01v2JZJLz5S3YQIr6uO3voL6tJwke_EsizUWgP9TLqJHUivvMSu9tRYfsHMk.wjRHrJ2WT6Is9p6FC9zUmnpnOz66Hkc4lM5dWjmCrEUlBzPMblGeoQ7m0tcKqYE4hBBDcCvfQ8nPtTgREngR39hBpUlX9dPw5LF8clnzKZ7qnWPe7HMA3jPwVTMSjUc1T5KHSlKCwY3BE4z8Vm1homgCCUVNd8i7hQ.G1g6mmFkDkCOHerlcLJWO4sgi17dim26nPkc87LH_L2DBNmmnI5ZK0IJIpVHlP6UXvgi4Zqy6f9lNkKd603NjW2u_O1sc0HGuHr.uDz0LpVMuFapsuKn1xa2Kjm3G.rSil_qTq7QuhspHyeQRS5K4999EVvpstUm09IVYzHqFXJUSo3b__pPs_w0SuI1LJKDwhtKOw_TiBn9infI_nJ5vKTHuQwgHRB3TXwweDZXwvySEfNo5XacPYa52do7fMJdKEdOYnjINZbta984o7AYbsmtTEjOpRSpBvGp1WSorp9IXAhudhY_nbO5o1UPtHrogsoMn.DUcn1J4ZYLwjuv67VQxh32DGgNeApsP4bXoOBMpb5w9OvFB3Zb3qyJFXl7No2bVSH7DXjF7HIaUTdVjmrvQUlGPTKFbPpiofSlAMsfo..JzC72VsSF3XnMmhYUzO6sHCKHiKL8XE1uTwwL4TNcsy5fDEOunvqRiaL4as0.fR0pJNc3k0pOoeaBKlQ..hbc8v7nR6Tmpdxa2Om9vn2SeHIqUn.aCIShP8loDT2azfxraqEs4psqMQ6Px.XaqzJd8DmzSKjEXPeMHZFlhENOBpeBQHjr3BIaC4JVHRatohDcLIFOgYg.2.GZCfjiVM7ZI7Q.U1ALLSPVPRd6_l9_pvYlnug1hD.qM_HTmurfuaNpe0lAndsw1AGU3e8zJKXpigadW3Z5jDIk31Esg7xyM1NhYGzD7NaSi.PjFm_aWHL6FpWjITiVQ4QaW4bc3ez.D6HMruxqTAsweTnMy5OM_oY3XzLsWL6pLsOmZoXudKgzG3k4iC.SX8VKjeOdIQIs_.yrK9yUdp1CYATOpOWs.2DKhhuWBhnFX3FA6u6BK4QuFE3Pka5W7AexFaLacJrGH7HyQb8CbENoOLQ05Qn3pI7ArEUV99T7v8SeFGXI4IYmhrB_O6cTS5O_G3qNGBSoKdkcgM26RTmNT54JDBzVuNF9OSEvUiLLhyU4GCyAwXtUSH3ncoAfADBAPDyjyEyd_YyxaMK.Olfz2EkONBB._G0gVo3N7GSGeR7kKUhmwI2uuAVW5S5sLmkXz2H1aCg8bJ.l2xcs6x4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3a5ebdd74083a';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\/8139420657?__cf_chl_rt_tk=11L05vQ4Yv5v245Z3PBjLVg2gsCwapCTO0jAJ.v_ffc-1739101892-1.0.1.1-DWb_x3Qzvm.fG9FXVuTB6qDNMEuYMFmF1sSn1F0UBWM" + 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