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-343042401957.mit-edu.top/post/2639075481

  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-343042401957.mit-edu.top",cType: 'managed',cRay: '90faf8e91bd50804',cH: 'xeBIZB1W03.KfwBWLTNZ9Fv7BI0kYL4tTRRXdJ47cBI-1739178692-1.2.1.1-d2B5JVpwin_rok3UqmliePcbouj0LcZ_Yn4.8Jrctylr8AFbaw2AhuxRFVl60rCH',cUPMDTk: "\/post\/2639075481?__cf_chl_tk=4QbalgcElJyShAe.y5t4itMyMD6XcFtRkHnmJPErmEU-1739178692-1.0.1.1-fteQ0FIiHDZq9O2PAv0IcmDmUuRw5j.e6b.Fdh0PIXc",cFPWv: 'g',cITimeS: '1739178692',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2639075481?__cf_chl_f_tk=4QbalgcElJyShAe.y5t4itMyMD6XcFtRkHnmJPErmEU-1739178692-1.0.1.1-fteQ0FIiHDZq9O2PAv0IcmDmUuRw5j.e6b.Fdh0PIXc",md: "XkFr4yJp0r47nsRXFkfSP7vdMxCvw7NkI3avRsk_Mqk-1739178692-1.2.1.1-6EaEIR2mBsN9nAxCrdkTUctsdH.4IrSmE._YEAdyP62xyWKRnsjYLMQjrI8OjVOrfax5DtJ8ASuI.EdhqKdSL57XL34_CkrQoR_Ht9rRQ0KhOasbPpsFqGBCRPTkIoJfaipXToE.ZHIX3GG5VN8h1QRTggd_7fPi8UauISV38nTOIQtp8uqHlfqOYQaAte9_S9x9p809sgFXGbc2ossowqYA.9c8ntlYAMzTSdM7VH5_oYyciiLDoVL556df7Sd295J2ieg435YhhoNmjhfE8pz9xls0i081VCDER96bK0jKCb6P2MqRBctOIgbleHUrNLa0kLaP_SHpVyFZcz9nYjEm77qXroN.MwHl6ZOleQV2BenybOHyZRh7ZzroVWyRxcn6JJ927_jWTJFOdYMrGDRs65dZDGcAm3NUNTuxV6Sh1ULbBQvB0HM47J3rU0MCUucjtbVgfhGtJ09VDfVtHguSDVXNNMRCQtTbZzBPujE1b0KrCx7KEdlAhqC0puOecOo4Vig.F2PEOM.vcY_2tGlMSAUcjkTroQ3FpWQxzCvx15C0dHrcM4HBYtvrrOsyGwvF82J48oTBt5hkE4eqO5btKKm_w4rIYfJN1vd5Owu..tg3bRHdt_C7Y_jHqZC_MRF44UyWdt0MSlLagAWohTV4TFkwOTgRK5PxbxhN0CMyqUAkbbSTaRClI924EIUaujhcqFdBr8rxZkwMX112HjBjAknihYHRfmDdxrF4.7U7kOhvawav8A5yoNh16.46f8DlTJFjrkLd7D1w6vi12jZXOhQTS_q4bMBUz7XTzZ0T4eSmbtR8lmMXg0oMyQm4mkxL4FYT3Aex7oBIro6c1RXV87.J5xoNj4tmLty3RlUE7k1lSimr9BGlr39qRflzVe8OJs_DfTVJ6U5mR9ywc2ZJ1wJXpirMB9svhHluj_92Ol3gu1ydOPimfeBUWwYx_F9LkcJ6Khr_szwSlmhXwQSwHw0.dCjV0fDkTIvl43q2hMWnMVBhfA6v8oCk3dLl1j9jutmZ1bmpKzkcHy7PS8bd7CZ14UfjBYQnfmziOpwwgXs2RNnGXh99lqu8LFl.X9cgp.9xQEk47Q9LDf_EN6_Jslu_cn4AjrQFM57qCDAbL2sKe.IxbV0wlHvXL_GDt2eAQ1kWyUQvCZsm6.1Mrfj7NbW5BT91Pm._M39P0p9Tv2Ea2SM7pUczIXLL2jIr2sgutKfRo4szWQgIdAqjQ96zLXdwDytVq7PK5bJ6liqKq3Rjrw5Gfu4CVJLAyx2fZJfDX7UbhtHwpIlD.qEn_NFp_cGEm4s1Mhh4ePcA_gMCtIgPAtROVEX.7kBgOZyZx0d1wM4ARdM7Z7n0qsO8s2xBgL0vKyHkh5iJ7TPBkFhGsMKBcwisUqGn4HFv5qZIZG2k4k9dOKtkQDQX3esKb88zqauhcKjQ_.3wnPf045ZVW0aTl0n3BROEBlRNGZ.HK0SrVaj5GoEwtmsuey1QXH_mHwxtAUkXq2YEaWMg.qJL0HDHS.dUh7VupJP1mCFSXzQ9l7zYDFEAyGqDqmVnWcC4MzDYl8kN.CkAWegtMNCrkjXVzZJA4R.0VW3dzkQ4HVbjr4bsNWepAAOaTKFLGx0rOuGo9HjTzqxEFD5Wk6nYBGTM7E.UEQhIco4kGl4JSaEtpbZ1jP8a2el8XjwD1hcxlEYh3g5U.dWwNQFaclxPtOAYW2ObzmCaPv8FFL7wrr4S2U8vEsqieID3tFWKJrDXCFpL.MHVUCermAYMN1egTcm8pvg1VdznERI42YL8JdKuCHkt_hbuSXjGdqOLg_FBqnbF.EnQMg3SbrdTizWLkYBRQARJ16BDNz6i9jepcBjyso7nwnb35ls_ItWlbfjSSt8wFl8GrUxbfS_O3suHyPjZ4.ZFUiCSO2c5dGG0KVZZQYUmWITOBRUbI6Qd_F7VnTO6I4Ps9wqr588CQ2Iw.nrz9m6cMNsB9OTdAhsYs.7CZijqpk3D15ypdETlA13U5TOOfSgk1LvvOnJW80R1kAfX.JH1HPK8CKFMWZQ3FT.Asv.pY1B6YFyUO5a9EtExIg3AlAmulWXyLcY5Nb0auOxqmQjMcJdwIx_jNBtCKbpOfcV_Dzmcy26dCRcfSABnq8Oe31fbfJIOeb536__XzVqifR7XMqKwA0s.1UbGbB_3nqKEMzhfxmk5pQc0T8LJoSCH8Z.KU5FjH3r89W43Srs1wnH1aADbaKCPMui7",mdrd: "RwbgogJa_2pf7gehX5G2rU.KAZq3l3fmAsBR3FmVvmU-1739178692-1.2.1.1-Plc615vwQ5kt2a4a7kTwUkm_DrfwOlQuBSD_fiByQ5l8au07TcytqUpFEM7xLHSV7.s6Uc5wiPrXDMo.lvwprG.ktro4yJCOnqda8lVSY8fJJskoznwbJyXj8iaB_xAMBHd3PWrBC2Z1TFmkYR2haKn09dRLtsAgspFvbPVNttkghYI44otFYFX86S37uNdXNpco73TIWtMQYqLfMGglvl4nP1JFrWp6f1VpHwerpt0Fbdt_R831kwj9SL6kFHL.GkW_eKlqOkE0iRbgomBxEVpTVPCGe2.2W9CaglBFA.ZSsW6ShDwa19NJ4dnP.NtgyWZE1HczNRpSDparXp1VoA.s2RKia3mqRGRmAHtrnF2IqCw6KfCJCyMlESSfjCYotY.OSO2vi15hcdn.DbQ0IG98V7noVUZa0T7VEP81hQMdMdvWE3xvbYoc_leuwGodZ3_DbjCUCY.kByDTf2Pea2FzlMhnoWU.Fk7KzE468wVYD.r8OwvlM2dng7cHr._XMiiyCblqeN7PM.9uXJbRRAkjiqN9X9x2KXnqr29NFfbmBFYX7R8OgLRoYhHz1cNLnCm6queoaVw4WZuJ_6DVHI99_VhbCP42rTQXQFHHvVKjxGZ7exYWJVI6HRnCNnkVu8pnxRW_myrCUQz5y6qufaAhJ_xHTvosKo_S.kNUTE4G7KWSDstZkmbAzjHNZ.swcv3ohTnPV1ygAR3yZG0tLBYeHYhE2Up44gFQrQCmR5SnxvqrA2MfKpjvW2HfeoYrQ1w2pIyc3SjeMXREn7sRHm6F9hDUxGRu1O7XM6yVMeO_QhhOFg.EYwj7YXCVRpDTquHhppfDWz8ZULVar_xkiqr_fZ89gYUlc2yIFE.9fjoeB_IwB9m0ibuMy7QTLlADKjKERNxqMHFf66oVkPF.OxbhQdADDROAJmRXU_2PT8PkJmd4JCiSvM3JzLGFQXKeczeTVUxLVnJI0uY9YpW5l4vjqhNytzLcGLz7exxRQve.FUKpqZBdwjoHRhB0FERQt_iKf_UAN1woNrupT0HKzeB7797kESIcc6edyrq2z04vFxo5qMDPW8F5FIFAak6_ZHMp4wrh3f12ydR76qrsT5.DFEFZbg5hvP5u7jg5h0Oh1UTjdLFne.oHiq0lW2ZMDwZiczHeu3tmNETtOHVSQQoROso8r.6SCrJR68C5v7D3JwFX2pFLYg2Oce.abI.fN7thoXA0LDNHVywKILGAGUIc7hN_PWF0yVFFWFgndgteMHSvCGlHR1r.h_b8rzPVGy_V_1g8XmVD7S5yBMvFAm2.ccZVxPGG2f5NAgeFgDthVfiEImCpZll75t6a9ItuGkZDW20sTmMQzFy6b9iDi9uPADM4Dam4eCJZmaHOFL48qMmNAtbZritQLsISJ6zsE8SX2WEWN_sTiKwVQ_VoisOextu6Erz3hQexyS1.M63y9z4CYAUojwCkYVSC2Y_Eejrq6SuARqypSRTfRlQCcD0.vaNJXj3bMB6Yz9k4uY5zzNwPjNGIPvLvfO_sHsqAnzPV_Fco60GzeNR2E.El2P7mTrzaU1iODUnRuKQ3Y.fgqppx_XpiFZW3MSMTa5Aby9jdUCvQggiUOkYbFm7.4TrkxWMMK0spcoBP3TgLYYXDjB4g9auerRl5f9wl473fNPuTsQV.zpZKLeJi29Ie1ca0IzJjZwRUYt6O4CUHHEAaDKHBHL5fHVpLIBoZJir1T2H1RPNILsowD.dnEo1BBI.EVqQ3U7jkctBspp67D_rqEv4VYPxAygHS8fdlt2C_rGRYYjhWR1QJeOJoDw0nB0FhHdAPT4hU3JmjrJpYo0s"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90faf8e91bd50804';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\/2639075481?__cf_chl_rt_tk=4QbalgcElJyShAe.y5t4itMyMD6XcFtRkHnmJPErmEU-1739178692-1.0.1.1-fteQ0FIiHDZq9O2PAv0IcmDmUuRw5j.e6b.Fdh0PIXc" + 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