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-551908801186.mit-edu.top/post/1453679028

  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-551908801186.mit-edu.top",cType: 'managed',cRay: '90fafa5f9f329c36',cH: 'iNtvqZHG9vsWoEa47vz4miCr1hAKMgGx2aD_Zr1DvzY-1739178751-1.2.1.1-rm0eNx7nqCUrmURI1fId83EFS7YCfh0WTsRE6tf2giMMvmdc.1RYODB_uwPpWEwE',cUPMDTk: "\/post\/1453679028?__cf_chl_tk=51NbUHJqHUdTPlkswgt9CeWAFRnYQiyagepbQdRK0uk-1739178751-1.0.1.1-YxA8ocNiU.ezYShHiS_qjD5bawBBeKVESGJRQahizfI",cFPWv: 'g',cITimeS: '1739178751',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1453679028?__cf_chl_f_tk=51NbUHJqHUdTPlkswgt9CeWAFRnYQiyagepbQdRK0uk-1739178751-1.0.1.1-YxA8ocNiU.ezYShHiS_qjD5bawBBeKVESGJRQahizfI",md: "F6Z5GTENrPFujCDXIPsZr1erikErJD4P5k0poZNHRuw-1739178751-1.2.1.1-33Jhbta3UfyXbWk.sKZdCqAlVBUT7olCPDD48j8oyVMtM4NmedF4.BCHUcNhNp5z.xxXKsS7xnsG3xhfya5Dm1qdOVeV0o.Uaw9anAIFM1tDkwrEFRflYw1RDhE869OcmmfJmWudc2yzPx3csjp1lbVacIrQqdP8aN.AeBxj_iQ8b0y53cD9PGQ2GfdgDqruLOsgJoIcOXnFi8SvWcH0EyWDlkQrmeNxvHNeN_QG1ceV.R1fE2zYeWfq5ag0jIhPJ13GUHbxpsu9Y.vtgmrk9belKT7AKmWDpqJ7XZf7ylFQknka9djf5aQqy1IakXjI2H7lCM3MHi4AiwQWN9EE3_69AK7.E44gl9kJf3F8LhVtmjjmPXE0klixV15yMDJgw6ttjATCYKoMYOCuOsryj6PaP_hsjVDDvOZIyUjTpeD86Lk8wa9h.j0kRS8rKLEeN.zpQ73i1Q4jfjGLY_2wpiXTco3XmTxExFLIy2trXpr5xfb.045JNbdhgwuaNt7SE7wCfEunAtJe7pkuN_iolE5XSxOsiyz.T5i0CocftJPYsOBFKSFH58ucaBpmXgbPRZy7tf2Gd7DN3aAIS0PHMLh25hA1IEJA6gBgI7bY2dlbPS_sGgKxkjg1JC0LIe0kEJrdP.0CsY5cIuqxmq45FzJ0NFShtAHzAxL_9OzzgRSmlFJVjdvJwdP88cGqNUHnJYBWLRN7Rf1HNaooN3m33UUPJv5Uog98nEiyzt7QZ.PlrKilgvdDWrSXSt7Ytn.a2tFH1Re3WivMqgHJS6CowxjUJExiUFwpr4Yc4i.gRtNBfyU6GuoneOLoHWolDfKqCJXzKrGbvsWWX3CtjSyi2uVQkGgwZ0QsDAjfqxPMApTtHNRxzWIAOl8AYd1exfjYsF5XTdRulcR5e8htQBUaOd61VkSMwCzLe8_ydCL_pk_CgRS2ffXYAUrEVb34QGY1O2p.XN22JsZblC6XddR2dapSIfAaKqtB4YK4YYrHanGNhSTcs7Va1hMWFO_rXRnZu.buz079NVUF.r_eVbLyfcvRVwuiQrqld4k.FGz_mkZcZ3BkiJQQCXa.njRcmDgmAGTEOyL._FYhrF0AatdoKkyaWfJGUe2c0voYGv6bcMzWvCdRH29AHqEbAi9ZY9fsmDvrm8bGMHXG7DX493h.pwQsZChn4bAQB4IjSdLhmlVChE8kwxuz3bNP7tQEe6f69FcovlMpEHp.4c1JU9Sme5UEmlWjAt1MicpSVX9kMn.XC5oNltRjGv1S._MMpVMBP.kdR3nz4Y.ZezCjA7SoPuuhr7nKVfpnlL_VsX.2jD2EGQ5LVr_IXPAl1GkONQ2cJkQbTtNqd8MKS9K..2Jgz5JZ_rF6ZGFK6fRsE8XOXerLoOg5pmfjrONQ08OthsdSffa7DZVNZCoeWHnOwCi1M81EyydlYkGoYHoDQya0h7xg37YzS.z1uCjqwbsygYzEoqIUY2zQG.SeMx8E.zdMJ70vyxy_EWIV.fxqUO9c86IJTtR50h60Isv7mK2pZ5J7VWGnXFvGTg2rR7YHsHHczufOkrGnkAWxffw1o_6MnzECY6MxoPQbnG6Mb33wJOz2xRlUyFKPjPjanVzdMYhXxNwlDnZcOwl9NMeCkazlcGdDqJQ7H2DOkMSlFWP9YrQQ2VOTy_LphWtsSPvq2yNbE1rI80cB5x8jXwxeqVaaooD3N7g.eeHWs0NF_PmgSe2GuN1fgNb1GMqJ38xoQv_q6JBMX9IELhJtSxM3AHt.Nn61zVtbzU_Cx7lVZdafuQZfyw8EhY765T76Bky0jWZjtyojCm2uvabzLfa.2yFgvWoXmxTbwpq5jw0Oo1NUbGyIFr.SjZWJIrriZHeGoC6V78FtCeCmHT1A5gVWqXC32DONYpnfsxPUdjDsdG1SID0_DiG0uS1.gLcCfBukXfSH5V1NXaRu5t22i4hRVrGYcMDQSfmjXZg8qlWxQQjOIEOMHFt7maiog4FEWabgrCV7fPw_hHgw2UTm.0b.d2jfPoxLk3zQZrOLgweVKIj2QiEuGeBZ2PuB_7qpTMtiVMsKhrtYcoVw2OJtGzFoOpUEsdPOSyMFIaPVTwZ1l5nodWVYnnr7nCRsF0xNpuEhPfLRain9xN5tN3GkOL6_GkzMgRDOiO4G9ReQAcLfw3yALofC67C2YBU2_IPdknZVg6IR4sz1peAwk20W0_WzbJvnELzeWu0m_.joJgqZYOtyYR6O",mdrd: "TcnFlbG_N0BQOWQAJ3x9an61fJfiX8Ky8GqTFXEhDZc-1739178751-1.2.1.1-NRfuUAR.r0FlhZvZnWfaiGWcw8JId8xd4D5OmTBdc1d58n21zlgZFfCO2.Qy0SbxMatYNB_DzuAqSdAkqyK1.owUfeWnswCrvhndM6dyXs9fc5WpLJKcIHj6xnuH.AuxdOi2hGq9.8laJVOqlkJdtoIZbz_zrPegBjgcOjJXKgdaN1jODP7hczDAburmHdjsnEVskmHZ_c3lg1L3ILcVD_QanvL1COp.nr1KXn_urocZKHVJPTzFzx9UrpBdIqJ5SXDThV_GFPcaYqOTfYonyzslwXJbdg9eDfU8j9iX5GzdijvJ2vjf1dSYF4QgDgQ20oNxLOc0nNZpCR_A.3xxjYUprF3itoF.lKICE32F7RlXeJuwxtnH5E.gwnXTK2ozAiL7u8XMeqkvFHA491NRmRpKFkELuX8X9HOcbuehNUlJ7IY3C6uDiXfGI4wh3eCD99MQmuOJkKbWJHczz8SI412FGO4TDcvpZY66.fJ41U.8_Pqg5b2bptmJP3UnixJ.JUwHTaq2bPFgBLteZ5O69dMvV58Cmt72hgZ0ZMuF73gW2Uvv9FVLz7B1_0WpyQOMJBzdmVv0IeIfgQjhJTFeDzzgsMbicHvJycHU7wCYU1otfPpv.7sXtLxXCHJysfVeOQ.MicgYL3xcWnrfBvydj8_yPh6EU_uBS3z43.yQoS4BevDq0ouf10JPlAeZXpClwooq8pUDqjhYCDBpxFXRlLo192hejclXEooEoNLOHqEUKl4dPhRfM524OiupshpGSqxIiewiCEEe9Q1NA7e4iw_7sRMghoSuERhJA1_W3sm3UTCTI.SUg2JyfhX6xOmKJTm8Ly6YCtak1_PUwlP7Z76MCuChFH3YwxVECepcV17HIjSBV0tayl7zdI9sQY2TvhMZLgbU5qNasi1MyD839gQr0gDvOquuBopXP4Zj0zwMMw1ow160aLV6SloYJkX91TYXjlb3Rnynh8KcqVssWc8YZY34Lb9G3z2VeA1NGP4cDXSigGHxb6MjK8Zh2nJaBaJ2DxHm.x2g55ZdkU6hB31kU3gTgqoLkQxw7oIt7BlTU0UYQ3LhGQ4_UyMQ_fojvqvIBmOpH3.kVWeGHoTZd.u_XwfGBWAgJZEQpd.C6yjacntuMpU0Cp2YKbvoirHNMZlBleAnJT74qwsbimd2Wx.s079DLnPkDbbxXxCZfm6N_DuFCV.1PieVu0j9tH.Tzcp5ktBkT579kvuRXBAsaNyfAN7vfzKJqVRKkLl.s4DqLgekak.5Qf.QnCzmkwrkXU3EvrwirsTDNsy0wbYgb0mITVp5PScPNorHQfcyRBvmuqf6XTtA.jxuBdM5hLMLTAD2VnPVOOOJSOa4oMFRarUL87SHKlN3MrIkdBvQLEX3t1HGp2wdezaGc9e3OlOkFnC3svmYd3xsEiPmOIy.UFAcvbvEXyOYdsmYmQpEqi7TvLJ4v48KghKd7JlyY2KEkcrdDm.KlRdbA0jKCB.bUdijDf4TglKxP5_B2f57kWJre4WB9LwbhyweAmT7C3C57_y_gWV6B67TCDpaoeucQ7lSxSEuuh2c2GI.VW50J2Ynq_j_JftRRNoqKnbb1mxVMljvHgRWwVzC8GK2DQuas19iHemrWhfR7TKOQW0gYrTmgR1q9DJBGG2YD92bhENONIwIFifqNjHHZwg8OmX.G5GKxvEP96R_EY3l1u7mVmra8bHlkcKsBO4KKpUsop.I2F.sPWbTRsVIRlJyJfQTeoGR54oKc.mCd9ASH18yK6La79NWjAQfxufWJulPgySq28Peohlx6ZmqDu9vIhxYng"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fafa5f9f329c36';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\/1453679028?__cf_chl_rt_tk=51NbUHJqHUdTPlkswgt9CeWAFRnYQiyagepbQdRK0uk-1739178751-1.0.1.1-YxA8ocNiU.ezYShHiS_qjD5bawBBeKVESGJRQahizfI" + 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