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-357194213223.mit-edu.top/post/4289057613

  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-357194213223.mit-edu.top",cType: 'managed',cRay: '90fb024a1e928298',cH: 'zreDhMVeNxBt5_AoOuFeimM7scr1V1f1xdWTYaGBdTE-1739179076-1.2.1.1-y2hDSys7ZFj_b95rJKxwtO_jevJ1gjyzI7qZdYlvLJE1k93RR.E9.Lf0x2KfaFzp',cUPMDTk: "\/post\/4289057613?__cf_chl_tk=CTiG8XqPN7tC8vvR9v0fVNWeF6b659xl_bGox.e6XdQ-1739179076-1.0.1.1-CtxXpfbmVKQOHFvwHmZTY80c2f90ZW7zqqs_Rv5gI_U",cFPWv: 'g',cITimeS: '1739179076',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4289057613?__cf_chl_f_tk=CTiG8XqPN7tC8vvR9v0fVNWeF6b659xl_bGox.e6XdQ-1739179076-1.0.1.1-CtxXpfbmVKQOHFvwHmZTY80c2f90ZW7zqqs_Rv5gI_U",md: "i2HY3jwowP5pZ.XGiC1s4sGRZyl9WykfinwCST6NGGQ-1739179076-1.2.1.1-uqajp9RuMZWgirvStJW.pL6aDDtYNgLjLttD1dGSlyK9fa9GA8sW5L_7.n.QPsogzKydxNjueWn4vk_64eMeISIh42A8SdJtaNaPxN6Y8bcIRs2lh_vOT16OogFmyUL3_NAoz6jzx04CBJrSHUTfg5cZyD8AL4LdPIqrrJXu.iYwzUAYAztDecC8LQUMQPWzjaASgWmpqZuFLLguVZvmcuUuvgQ8tYvX3NHm6pxP.AI4TWqsLLqmHRIMXKj_E.LDfIvaUDploMd4IdOyXkaUFZtrnG3I...u__zjxSB6g4LOMx2Lz8Q1ld4x8pncE6TrSyKsyKEndM2wXhqHypdFfm2garyjFocaDNi.L955v.RAF6L0XjWa1jaPmbJU_G8MQmXmcCjkfn2UA.71EmeKfSnpnPyW0VZPVvtyR0gsb680no2eAIW17ufRkqmvoudIcNI1kdpYLDptMC1VEsA92352wLXBNeu4uBweB6zJdWt2Ke5eB168OYt7FtmpC60WrohBo5gREnLTJ10T5TMkPmAWpvPO16hRv5QlULbISjvMlFkqtbHO8idSHosZyEUwgfib4fYnU8iDT9eWBVAH9yfdTo4FqoJXoYxDy7MlWcl1XFc2fjfNliGAUYyktKwAMM0U25marZ8Vjw5c5_DH7MDKax9dTGHSu2k_6oe82UEqKXjycq93jrLjWsnyOraDXnTLHPzucC58Agc6weE21I8DvEZAd_Rf4BNcGfECy.gB9EjmIbmLP0fl6hhva5rW7p6eerJw1E3TiQ5mrVM9KGrRRXIXy.eBNr5Qy0HKaXpj36Y_mn9oiYa2qlGR5yIiRUOyfcRgVGJzqbI7XH.vYvzdmv9pK4XTX.i7k1Gm71u8MiHoI01u7pQ.HZ2sburKbs.yKORPxRNviMEM4qvfZyDltnWez_RSr4.VGYYzjPmZlINTS_ZEF_.8nENxV2CKTXagNtyT4Fe8mQmG9y3spDEXcY93iN29TwJTEbyz95M26wnaWY_xbIGF3bIKLR8zXJjzYCWnpZXp77RngM_XfsY7uY7Pn2Jaggb5gRwCF4R9caFfny6bOjJOaD5Ip5zrpx2MnrsPjUP.FoFmVXoqGeW6Tr4IS9kbFtMYbIFM0YbH4LGSM3vvl9lnR9grGcyCVTbSDeuaxkOlv_d0eGsutUj8LaY.3fzr69O_o_EOgHkv0nZbc9UBsvigvBHtEobPXoGb8FGaOoZh99gPLLO5MGtOKBN5k5gZwPX9UVChgcdX21x26EmeSIXqXHVNywbNvn8QsFllthg4e3Q7H5LkDKuXPxkYg3nzO2leedmgBzQya2py.25Xun_fhzaaAvbWPZFl7i5MsG9cqZPLRw28xGnD07FUSObBks7pUfxJgFOxnrE7.RZCapnWyHXuoa_zYpiCb_PXqeajokJvKlgvMAc1fNAKYt3cC96SKcQBkR7hoRPJLxdOnaIgrD.KdiKCvikuaMnO6EgzdgL8VRYsmYv2mAD.FvhUE48cnONuh9qDhrx6wtlkVFbQBD2x4BX1jgYHKDMNiH_J7R7Sqs1xB2VnKd6z62TFnve9flBB_KbAy0Ge9S_cqjmhP_NYnexbri_9SANKw6qNZRTornujH_4vQdxw45avDNIJRE.b6qvNBycwShr5zuwI2rNhBQCpv4U.pShxdq0cEtgdW.kn6vBhKHH3PGxHY2KvbN9NB.CEAoGzIakbGHStLVuK5xtuTCbRCm6KX.YAiwfZNrizMBcKCsgNE1e9VMHwvZe7Sst.sqTNAgXjdfNBG1Zb1lSZtWK2YJgKFfM4JBHok56nGEMYFYUP6oZMsMsD_8omEfgatv29r4UQTPvQGeihi92S1mgrzou.dP3kM6Pr_0vwqcNVOptVRUDr6rRHspVBUM1A1F6EVdqyLU8CugRx329yJ03ObLH8x7WpO.LpRXRaPXdFyjVf_DBNkDApcMtmX5er7fC4v2gE.BbkkDFdupaTKGFUIpWaodQQ7qPknHVwRbo4L3uT4I56wDJ2mEc7z7sV4i7Xyvdd0vonNH1w4BU5Ffbur.W7op9xNmS5O2z1jK2yX2NL6La16xd3ZJN1AomHNpdzEqLs_nZfepYlBMmYAJ9HVha4LiDNSoZDEmpPyf0knVScPFNcid0LcvlKF2v2rELwMXh5Pgnrxp9gki4YJo08CobBgHh3dbG5e1_8tiOJ9KGrf1JT6GokzNTJ6hoSwCbjDQ171XxyQZzHzzrn",mdrd: "9PA4jNE5l6mwu0DsC8gW5PHDDMm8Y7xKgNdblqt4JmM-1739179076-1.2.1.1-dnRZlnCHPFNC4NX8T7gsuYQmoz33dtuJ5.OdZOgnXAYFs8dKesaQZHMtyLucVBsuslsObbfGgSmU43..3NhRl.n8aPwoyqbVUK7KpfUern7WevWaFVN_d7UWBglxI3K7T68X._fxtbNMrm5FgRajIzegMv1A0UU63hmbRiSu0cODUH9OvXIPcFcT8_quk9i3bSLnzf23TLfLDq7GkESnsJGANewZIZEV25v9oLzxxHc1R.1zacZmzQHmrBLePTC2s0OvVoOuqecjai3Q0KkUK.xDdwOlUTR1N2bjkQPnVv9HKcwN1w1ibdXE8DsLJfaN9QgbbxCkpmltL7JsJ7_VPBi1L2HZcOF6.Ks9g4HoV0aiMAezim41HgI3BCfSNtcuQiVXUw.KR6vl8eLfneE3b3HaiNXNq.nfTF7cDQOFq9lM03yyHHu6QyrH2gXyks1RT4KNRJwMEZpGFjzTCw383YqQ8YNuSQHr9Qs1eYU6DCfQJMARg3AJTA3kRrjZ6h1BFge9XnWhrbJL03MXOoCAyrvtHJqIShFukyeyodC82S9bb1hJwLTQCSSj0UVjzklsazPjK5UJzhMEW5CZWYLOX7zO3TfD2RiQmjInsiWFcwTnKF9dPMau5lsd1u8VF9nj62DfXJO4xJAwVhFeHpEGRSQpEXdLoMhBefTTWAZ7KibUvAmqTGm8hb0bK597kXor_xxjZrWQqiuV.PuAzWZGXrR7dBw.GbZl6Lg3a3nmg2IjFLGWm7.d1UpNEuFLo_U0T5cX3CjrIB90NMJNatB.uzc57Wev5RX1mOp8IpQ9GTmaV5OyT7ot6KPP4WI8ZswICfHJlfl_IDOVbRphkl6nis4RW1XypNKJt3D6W.697LiOpytpKeO0NGMmqEx.MK2KZ.DThAOfSB1xOnLYUxLKkngwzBVHbz5dufJ87yxLfJwSNqivyBZ94fkaWpnJlRDEv_Uh1FjqW5D4O5jINJxVHQ8455xpBcfNxiHUqiKXRf2yv0lpZ4YO0ggC_OGLK1CCZtoTOLuVMF4WvRbC7dshpMfasv92WhNbANeOQ9kghFgk0da3wSmC1IvTU.BkNVKjzWq6UeIkbiviNiU2N0f5z1rtlIu.ilSjUMT7OSBf522ZF02cR1TaG4ILL_l2Z2Go1p6qsfrmtnZCmJVkYyShboqJz74UA2jn.xgyD8RR.srabefCvIH97yo30ujptwRQH97_A7pmtwqqedjTFVf.PnzhHGqapafaATCpHQE54v58G4VhufsbHuCRxWCnupoyDs4nP2s_9mhkTXWQt8Uf99MarD_BTdx6Kt.zcGk.Hylck5VGEocVvLVFlIAdwl_v_qno5X.E3cvJCyOOPbnBqv7mFHS5g818NEQxzyGK2rLyEPGWScTilsNs_vtGy9FpV10n3.KIoSmVSsMF3qDgygRsjG83j0kqjMLPaie9.rzbfwstVX2BsoArJmuR2BDnD2kEiJrQ5WPN3vVcgJwN9IJqpqiZrorwb5kRGj92XdhqpdK0UQm2dniVtZBFSpbXipFDrOWCGZZgSOmdrXkbx00MM14msFaJnfOnowiikK5h83A3832LwbyDDODYXOmGfX3FuJVjniqruRfr7AREpHrfItWlLAIMz3RA9_zZQDQsK2811EjKN7zX72oRDZ0bmiZmubRERMSSvNUhcFFV8nydudIezh6lSdFKv9uG0zRGaTjgnBy_Cs0Ox5fOfVESMC_Np09UKksc3kItB6u_0kw6tVw4Rh1s7KefFvIv0gV01RovVC83BrX8YOTPyLnjTlBHt.o0QOFKPCAsgW8qlQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb024a1e928298';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\/4289057613?__cf_chl_rt_tk=CTiG8XqPN7tC8vvR9v0fVNWeF6b659xl_bGox.e6XdQ-1739179076-1.0.1.1-CtxXpfbmVKQOHFvwHmZTY80c2f90ZW7zqqs_Rv5gI_U" + 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