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-473301878426.mit-edu.top/post/7819530426

  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-473301878426.mit-edu.top",cType: 'managed',cRay: '9109d4414845c956',cH: '3RSbeGb3QGhTiB0kOaE8bPW2mlGWRr8ex0LfdWKaO9M-1739334477-1.2.1.1-ZtXEKKh4H1WqsHGar8kws7wFfRVQnGNBDmB3IQjj9WqqydaY750psZNR8_KCXAZg',cUPMDTk: "\/post\/7819530426?__cf_chl_tk=dHKPvrdC_VqDLPFHl7Z0B.u3mS88Rxb.tjFixnmLTAs-1739334477-1.0.1.1-0eADNc8xCjgUEogepZc0uc1ljdVb7MetZZAQXtahgp4",cFPWv: 'g',cITimeS: '1739334477',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7819530426?__cf_chl_f_tk=dHKPvrdC_VqDLPFHl7Z0B.u3mS88Rxb.tjFixnmLTAs-1739334477-1.0.1.1-0eADNc8xCjgUEogepZc0uc1ljdVb7MetZZAQXtahgp4",md: "2M3hCBnbuGTe86TF4TPBckdGgNpMbKvQ7nptAMX48YM-1739334477-1.2.1.1-.bXBvx48Qll3h81Iwszl9c_BoKyrskFfs3fG_OdOT8UPh54E9xL8fHFqXp6L9v7jZ2J4ussDw9VWeAUSuauoiDQNEqidx2DuWc3i8MMs2aI49JuEY5v0ubNeoK4SgJk2yiYQP1IjlXStblVACrfa1WlNnkpg9vEqK9r3una9nTjPNUZEdL7fl7S.07jRTkXySEZEee16O_LeiRh1FuU9zT7vCaUtGmeTAWDNiGVbQEPl2kjorIPpFLIz2gq31dDJLguw5Sy44PpdpvJqc1hW0YqHipiNouOe9ZKRRvqtTq9cpA5apF9InlZ3fauFdxdc5MM6i1Wlid27ZRFpDfxo8PZXB2EalvxYGghzGbguOK8hgISv9.T2cfV0T_iosrHRbPmMVmxRHDuKQiLAoIkV6NcQ_GwmdRf99HoIcUEQWmLA4LefHVyKvjQRQU9ljvVR8p.unCmGjYDFVUAYuxBeuzkkmEvx2uIwOb5EC.wRih.gXCFhqrc83db0qy_le8YldxBIIvgVs0PlvfgaBqtauLVy67x7AeTFY2jtVPk6b3ZnyWcKcPB6hpyRcSnOPqDf431kT1QE1gwgTk5lua2tbbC7xsGlpYRX9B52EphJzH2qZF2h5VytjLQlplbI.qYCEBRlWtZh33MA2lSfU7O4cY5maJZIMzzevdwrorW64TljVjATpZ0Azx5yN3TGP7GBNzPfFIJYNyz7pWL7SWbrH2YB_XroP0fnKxAjPm4J_5tGu6uZd8mwOzDAt1zdpA405eQrdIOkNZ75waHW4Uxb.v4ubRmd2H2SdowQVdboqcVKFb07HJA2awhrCNhLVXwBGGBFlccPGn8HN0U0iWOq8La7hcYsCwnONEk9g5n9wfHOaJAm_PDR8iinICb6b6kFaB8pv38iwWt1DFabh.WdJHnN83MrajuFVNoJyAGlV4qDUl2MBrosCas.ev_5qlrCCANfJU0YgVp8WF9NvyT0hR_DKnZg5Tp9OPdFpmJnkFFbYuAtMbeSCdqkX8pOch3HC8e5ERyLopD3Q..xrQoFpnFmCiOWaVrbTj6JHQQYqpH0aqVwDhkLh3Fayed4URniWWL.WftTvsqoJSKSsrqoRPyn0y_51.aMKKe5mFUhcch_Mg1MoT82peEeRHZvq6Ba8E0Y_9ZcsF3p4b9ZtxWazzIKwt9ge2TtGsANTp4ocLuTNIER_GGlTsQMViDn1gLUXHerU4b7x0vQXIyvxac.jy3r25z5hvL3s4tSg01wAHJIe50Y9HFCbQgi7.skkMyCvewDJBkg4WCsyxr6k8OysW5HRU5DpZg86ag_eAfx1NhkVTySylNnlbhc0S1Rfr1G08CLrw.VDqORR6U8g.iuQNpUP7fnobzngtXo8KMAz9YOAbkHHlxATy5yk4A6vdOoMbUMnb8GalVTn2g4lJjdWy_el3wIwaZNrPbBQ.8zgmyInSYdqyWYmvdvjom5FfPISS788AnhezgULWpPCjD1XDp4TVfnBxrqJHUCsLyFNjw9rl6N5JQjoB95ScwVdfjNQK9B3vdFa9eg6SiKj78HxrLRA4n7mM5UW5F77bWrl6tdST2LdSv8cfbSRu6.gYTBcxq0fal3ulviU.ixyZ8kN8AgPisnxCdwDrOmq_DKfM8iC0UGuyVucTU_rBgMsSYmWfWq5jAVV5IPAqnkR2WAuFEEY0XIy4DJYzVGS0U2bUD2EUtrkX83PG_bCMxyC6lWGDb4AGjI5trOXuLlYmkbKv9t.7XO6wk_mueKWv3.HMBpZOP2dpPncbwnSJ8OGx0vZ2IhB3_F8F53JIubAX88AZU1DT2zLBWsAwUhNqPTyy7gTo5FxzsCXrBgKTqF0lfMYcRwSSgdWppBSosJ7Frkb1ixuXi8T9MVz5Adgp74LKtdtdTznOrQPaA9p4a3hf5agrEXYTpr4Z_A2u9uGp6Jg6yCzdITru3G3fvvxlMDuagty_sDH55ecGENKFyfhdRxL35WfVkWdaaRgcl6_HHb_WjYFMyddop3kEUZazz4N_58_GQPwtoAPQ_qv3j.u3cm3.HMz80z7yzil0K8AZ26eDmMR4VJNK45m6hChheD7NlTXXX2Si5DCOp1j1l0RbM2TQJCyjTxmTc9EBsSkhhF4V9phrHxEOzq__30GsPXyaDFXvZjuXl9NBeL9nJSpPxOao2XCRlpLYD6TsUKAOfmCJ3RtKXews0LoliuL2g5qwLkLNKi2QBtDGH0GSPXW2uq",mdrd: "SlxY2Q05VNctKNmBzVvdut4TQu.z_bJRFQXm3NDV460-1739334477-1.2.1.1-YOuNKfI4lccG68jwGKRd76W_8rmmDBcxY0dQc.lEoGtPVBuOAb2DqVWPavQ0h5RWq6muS2FRWVsT_O7GR5r33mkeB6wtRhmn8BNRibN7hAhrz7qDxuEXayLS44gGi3mOUYnyLHPWajsG9fNfegq3uKEP7nRymjfQdjuT3Cd_uh_Rq0g4kJ5FGISeL0I7Uz_Ov0IRf3fsYF2IcrJYHyjOXCb5Z9RQFQ.Amkc1806u8TMuwm.XscWdeIbqby4QOXMJHn8v1uKha1pGZmXoGwAHNoU2ooN0lgrhpl6irto4xn7LkD6RJW_MVJiX2nlIJd2WeiJgqItedYtTcyFxJd6wQFwUCCg7TiVppXDN0QsEnvzwuCO1cQM4GsIguZXNZ__2GXJ80z4H1PTPbsKoNiPO7TiXkA_aq1bRmikS0L.1XQtnXNjbm6qVZM9tijkH0sUWlpak8cR8CP49pXrR0AjylCTPR72dF3husiLdhjasw9YPlMLWDwctB3n4VIsyi65adppRWpnCDG0L31xCDo847VoXccEvvXkO6ThnoTxyoekUknwVFFGnnemjw.yGYIkmRPWXSveHS9HEpi9MjyS_HEK.ajL19.f7y6yIpG7qv8ELzgUWsHJr0H6r9rG9qqoAT4_wgo.xGcdjBe3AnpgBKZWyp8UtX6bZYe3suZFFKMDOvKfXtr7mDPJ33LkG6wCAid23i7v2pLXJim6AEzBWmt26LwvFPLv.cm01PufhOe6IDatfIuqdagz58g9lEMuEKPzH5S9pyKKhygYYq0XoyUmcuC7i90gXJd4E5x4eQOUnFMBszs_HjQGRbNuLpsh8C32NSNuidzZN6s3V2s4WmtaYOTV8fZChB6SzfD.qe260kRCgT2KLkozrFsboHNkZIuFpt9kwcrzTzx2W1kjPr3JezO6KHgbdz8MqzxBynIX_XkjkZiMkbiMgaLh2580vdG50nEk1kOE9gkIee3BzPG8h7Kcu3PnXuAv2KbNPQDGwaa49NZkNoOye6EVUFZPORDkivopvLI7xaB9EXifU1JWU8qeYj36emX89ICUCsLdtb19i.Jgjsy0EsgWnEWMb4_abWi8Cnt6R4UzmqgUNthOO1qa2K_XoVisOu9arfqGjjeR.g1nxdiq5QzZQGICiKLPBe_7y.ui0uT.AboM7mHoobPd51ommmG3x.1TEqk2H7T_NnRr7cEuS_RuPpV2_kb4vHsIuN85HSL6BW2wOsoZjMClkvTU2Wh9DXpX8VIFnR9Wpw4NJL4ck2XzwUxpMvl3MAVaVUtD73P3KNEFFvhzr4xwGCtuKOIMAoQn3S6MIliCEtdGQc9EwAvNa4O8UYupOQxBk5cwzJgC02LKSDgjfMhU92iZxwhxAIZpm_JiCkZK0dt99BIsQNHvk.Ab4QAMPSGN9P5lHEM6X7RHMiwNsWSK4FuXlxPG0r4dCorKoVXShaYc3OCi_c6_sWbjhm0LBiA.fcgibxCtQ5f6VRXeSCOhsoATdUDwsXQ5w9.0Nakr4WsjkqbvVC19CjyjacZP0D_IUnxAhHaVVauIBE8PoGDIgtby0w8s9tAmzg5UUyRkGuBRQg7YjDGr45Vj89hjAD3xtxsC6z7ZRjkFeQnTDJI0EMsXvc7mESIzb1AqM6562Pf14J8RD96oYZ3zWNqG5qlD8Jsi71ZJtkbataB6lgaE8Gr8SdaNVk__VMLVdZkNQL5veQ9woHdVmQc2AKDxTN1Hb7nDTvSqGMC8XTNbKkQbUH8IMH9T2pRth74C2v99rzC5I0cSO9Hxzj.1ViDh.kZ45rD1Qxa5myhHoDg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9109d4414845c956';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\/7819530426?__cf_chl_rt_tk=dHKPvrdC_VqDLPFHl7Z0B.u3mS88Rxb.tjFixnmLTAs-1739334477-1.0.1.1-0eADNc8xCjgUEogepZc0uc1ljdVb7MetZZAQXtahgp4" + 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