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-256182940167.mit-edu.top/post/1257634098

  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-256182940167.mit-edu.top",cType: 'managed',cRay: '90f7cfb22f36826f',cH: 'IXr3Ygz2TrlBTKEXMe00QUcoCKRTPX3Ba3H4d1kABTQ-1739145546-1.2.1.1-ArY4yEQzAB.FGmgmvl2nMHMQXcGP3AKzmUwpLV8YBuayBA8RFg4ZrPpuvnCj.59f',cUPMDTk: "\/post\/1257634098?__cf_chl_tk=NFbkEHPALE3OxPrcpu7exSkS9BoZV0g9HOhaU6qS53I-1739145546-1.0.1.1-krkfdyTZlZhkOiZu9AgDP9OPSNRlMZ40_OhKtuSujzY",cFPWv: 'g',cITimeS: '1739145546',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1257634098?__cf_chl_f_tk=NFbkEHPALE3OxPrcpu7exSkS9BoZV0g9HOhaU6qS53I-1739145546-1.0.1.1-krkfdyTZlZhkOiZu9AgDP9OPSNRlMZ40_OhKtuSujzY",md: "I9X7dV.PLJ5i1rgTH_lRss.T83gAWoItR6vHMrdPP3A-1739145546-1.2.1.1-7SmWmlQrzP.vfh7KbcPUqSIXJNRibcnAm2X1QB3ZBb38TlCbppXlewL11hfj9QiPEFggZBO9XAxSc_rRP_HPRhJnTaIFFMIOJ_gI6cDnM1BwSZZw5._t8.QEASZPVnnh0a6yDVAswOuD3p6iZ1mpw5c0zjrmldNOUANMDOultZm2iOz4OGLA_6MXhlJlhVxLqP_DshaHhwz47j2XZmP_0AyzX1GBHSycfpNfejq9G2hmh8bV6bmOEePAJj6pHB5sqUWNiQrPynXO9E3Vp6gsdXiLHND.wkpcolcBrQjQ6eBLHBmwMMx3oErTEGe9JJyKIIB5PUihlJRoLjGYZr8nk15x5gPLFJhzOZDJcVc3PaC2lrxc0lYC_DsmXWpNYcydpeEapg1GfU9.sAR0l9VCfCQpTCVZ2PwvW_jycvN7_qDW3ajtGhpTeP08nTP2nSB8vn_S6XuxyPsEWVEXr5P.9AEzPVN8nDLsQ3nBJKMMbrE7ozGSF1TVRsSlr68xLy9pTF9kHeklJyCRRsMcGtzJU65ueUan.9IIrjcWlsaKqxMVpYrSPcoStYvZKhMu1B.Nxriz0hhTtDFM2bLF7bS65mSq1mXNuLmV45U84LQBpxfKWwKN3B4Abni6g3tFwXIYjRu3ZW2YenVxrUWVsoMP3KeCE_fpdHLT42bXXtrEYLegu3FBvwBtn5JzoUV.xDWPcnV8MmQoxM3sBK20aOOfK7lXsiveqcdaGlH4RkqZXOj_sRemydc.OH96NkFQc9gqXWFZ92I7aKMuvNvvjJVjcKRE7pQYjMhJ.BEUJZk.gBadPkAcIvnnIlfdSo9HtjeDwL9b9IW4jbII4a6noXBi13d0vDye5k1tpoo3bW88eUkI7Enyt6cHjJ3a5mp1T5ai7CfrSmcnLN7HZdurMdZquQDmD5Gcj3DcqFKh_NJ1Uq0S3S7K1Y.gC1EsXYIEW9Ch3x0h0.3Y.lggdZP8Jq7JdNZj77ft4TOWw938bW6zCIrXcph.czgpC7ZjOAoxlAwkYAjGoXNhBFxGF_uF2Q_BuzHTaY7kZJIn8WS6D3TcD5OGpu9PtY2fJx7Y1OGNd5rKeexFd9n1_.wiVBHewkNlM0ddFD49KLmjR.uWpTXXT96FMoinV1WKy_UxP41IRYoy9Tm1zZNEdMKYKF3T0yWOZSynRrUfneEl4s_TRkuyLpTpGegEmMvmmyCc.07WUERjCwmBqnwT5eYv73yFt8kr80jD0OLAcvWTiCxPqhpq8vsyWU.qgQK6CuY.9XydV7j6NmFt3kZ7pQvpSMkeHBkS.M_48qs46Czs._MgnzKplbzdk7pjzccMvHHufjHqZB4PikfCvaoz5Sx.ZSHhrsux9ixIJ9jhznNPGSseXzAmVWIe0C2xniYe87CZkDlO6elRC9vsjLvzTZNMWNy7zBs5I01HV4eCF8NdfXoXhiZj4YHP99UiUEBwaqrsUnuFWoNX0YPp0NWR6l3hqqqnFbb5mYLNmGGpiBvt5uUAHkK5tBJArc0HU2eU7QE9.Whdkfqzl9IEBONQ53eZr3pv3TEwL.S_SzTenrzLLeOLulTUJjG40WFyu7qNULlm9nk6KxlzVKKqoEo5hgyJ1GeZHsXuVYApGhCtoJ1HjuOQsIdjkiJ83lAUAHP7l1olOi0AybnfmU.RVxjlccF_KkjI9liLQXaMV1g9ggYnbZsBJ2yHmHepyYNrTCA6dbfSH0io81hJzMhPPsHXZYZO3aAf.72YOZJ.PlxXF6NAOSijZC5Ha3B2b45.QZnefsI6nr0D1AryKljDEVa0ZkpTgvKzXEGNmc1E8nDeeETJ2uBisKpJDDUGuN50AwH2tBTH372QJKHyDbX0jVkZjqv5sRldx_s0ye_eXofc3QSNxfTVHBEUhJTY01EqQLVRMWzjpw.dUj9fw7sXmCQ28giV8f5D2YP73b80wpSnFXsWAEwiW_ZOUbjX5YYvZ3W0SoDQzatQ5gn2m_DfTX_.c9S648ZagYB0j_.aDeBt.czM3hlqn9gHYscdQCoKIdb8rO2ij98gwk15yN5b.lxSWGE57sRLxlcX5ydTmKDUlZSqBpIi0U5_8NZ_qdEggUoc5ptVdGIe2kPZyg2DG.p_USQcFCtiwG0qeO2Ym_BAKUO0RHyxxrr4dhP0_hPHPmBdMtN6P9HmIx2aRAw78iS6Ga_bdNQkJ731woHbJ5GBXkyLOWAehfMgHM6IKHHZQZjMvhVx9TDqAewI",mdrd: "QpQNDKH_OYOuX1bk1igWEFyjTrt6IAM.qBavOqDOOt8-1739145546-1.2.1.1-9xGG9tkZ05_6w6WpCao3wUG7Zixby54e2Ke75ywewqnGi2Z4CUCxRqQAUg7Fx916uNOih4VZKy.0qRcxezARigYBwBPXg4EO3Z4im0GGiWnYeeIQxjHDEidRazj4uERhuvWkqe0D2Bj4fpZJCUaB4nSOAhKEeR6uJwfEslAc7cFYmMSSJm0Yf6Qh.dZChPNivFT_GgVhO5p2yxG1k51eSBcAlP96TPtxHY92qRR7XEvCKO7cVggJipu3XlewW7XHTReivd17iQ.JxadcD7zwCkq4oMlUcOMct5k3ci.FyMG9xVeBOkSdBW1A2CkA1zOusXvqMDTQiI2jOFcV6So0EDv.nBYWpL48obIOh7EofskVufcnm5EIqu0OA.9bbfBpf7z3K_dnxwSjW6KIPdJK9gjO2Ld9JH0Cht8twB4xYK.TREP14tLVYPQeKisqjbAY7lFUUBkO0xysfvbJSXlIB0q0kZgiO_Zy3PB6eAuKNB.VfcXViA6avJY76eocVRd3ty2mJidRWLDKd9sM76F29sTShubQR8BTJ63Daq473v7ZPoAxiXmCeKAulba95MRp5NlC0PRm48LGDnoFgLcZYLrpPmMDs3.46P57S92C9zg4sIMvLx5XHFrmmlPmcVZ0GSNOuuepgxlyPxWm1I.LMVhmhL1CW_0a2B65jvxuBpwZ6AZKpJMOGTud4i8Zrs3cxVbjulirPCkYe.7YGwOTjvFAVJqTdHaqbwShJdXeZtV7WrfkvLjVOIHnyZq5EI7cpf1nmPsVCALccRdrb7Gl_zZNGB9XCqnz7cSeigGw2zIZ5c0p5U1k3GjBo3BRTMH2_KU1.R0WZnlybwORjSVWG5AuIWt36CZhjaY_qj_EVdTFmZufyBFu2NlCfJaWpLhYjXfOSXViODokLTm.OhzSyEJedkrMOOB1O2pPWoQcPKFrFwe0G_sekTA8ZHca7QcbKPiwH0Eb4mHUTa1fduPXN4GdQQDMcVXgmUpp0DvoIUm2p5ggjw7TodGqHU0uPFFgkKmx9rqmmVGnYibAn7LR1.vuZQsEw3Rb_kph0azUb_LWeEn1GRYGZcp5SAZnbnzhRUjix5._Fj8AEAALM31e.Wb2BwBMU0KR4YsWEnHMyq93DU_ot4eNJK8kGP8MGpHicll0P01kndP5uM8_6j4_Y7eHroD33jJ0uWggGrh3bQ0.x3.IodgrQiP53pmzUrd561TB7KqNaxo7S_ZW.VOce1twZCP5z3OBzND3ffGg.jE98hBoE0NT9a9okjAGYL5vK9wzcV5O9p3G3GCrrr1Ah4OnAwRdt93.mxXWDbsxesQZXZwR9LiHyV7uDZjF9hy_vmrIqADkW38pPc9UAMRMeLXPpNgBRlhr.lGZnMK_PgrlCV94H0fvrXxONSs9HgXQDhBcFpVXFHf4ry5aRdjeTB4IxncsFhY_ZTaH1TbXzX7z3raSq6YlMdD.COub5xd2KThwv1A1pyxyMjtzdnftM5ABjXaenHJWxHYQ.vBWNrmFEyPSoV6kmPQSOhU2ooOBGD9xYrnT9_NH5CHvq0MQuzcgx10OD18j68OGW3K6J6At1.Yi4hkczQuGrNoXqHSwcFmqBRIPA0poz_k7oHW5f.sQDN6FT.GdN3l65G2NhNErPom2f1tD8tjzMossqLMTqxwi6GRepljNXYHbrQE9wptIHNT_W_175GNVsKSkzzNXanacgjjqduLUw_0nwZyn_kOPk9eoCQxzxPUurrgg8l4MO5.Pkjr2LR_U0N7vALg9XJQN_r8sc6kZzVrzJ7vMmvQe8f3cSlE5ugh66L9MzQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7cfb22f36826f';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\/1257634098?__cf_chl_rt_tk=NFbkEHPALE3OxPrcpu7exSkS9BoZV0g9HOhaU6qS53I-1739145546-1.0.1.1-krkfdyTZlZhkOiZu9AgDP9OPSNRlMZ40_OhKtuSujzY" + 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