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-019867207671.mit-edu.top/post/8379451062

  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-019867207671.mit-edu.top",cType: 'managed',cRay: '91079d3edf009c52',cH: 'lX90QdzANXdO7ll6O5g_CUy1B07up_h88pKFRYy6JYo-1739311252-1.2.1.1-rDEOFAk88oh99GG90EvM0gaUo5nvEmGlamYKqDvxOO7KOOxpzimMOOgsMUYfj0uj',cUPMDTk: "\/post\/8379451062?__cf_chl_tk=jqhdn4OX5mQ5_dxNiTSFX4peE43R7a32nfs9QmE4bIE-1739311252-1.0.1.1-sf9CPG64uY0sE0ELzTBemLamhAT2dgu9PF_ZUAt7hdU",cFPWv: 'g',cITimeS: '1739311252',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8379451062?__cf_chl_f_tk=jqhdn4OX5mQ5_dxNiTSFX4peE43R7a32nfs9QmE4bIE-1739311252-1.0.1.1-sf9CPG64uY0sE0ELzTBemLamhAT2dgu9PF_ZUAt7hdU",md: "7e5p2ScU8DvIchlL.Mlgw3RSM2bS7Tkc2rxRd0ostZg-1739311252-1.2.1.1-qfOX8RwD8k3_Ew5iAVppUZ29JOFTkecHKIYQWSVcKBQydC8VvT286DWZYDKvB9TBq_rwcKvfJxa4ZcA1_TVAHd2nSUgHJ_pA9E.Ap9O9p2uR3Vt18X8jq_09lhVnZ_BEFnteUMyV.O9obnb7B4fSGDASPcuzA0l5AcaoauRSeWfFp4y6jPt9hatqW9J6HMO3R5zhaXQsc3tjEsHzfio3BBlBrq8e389YuaDQfRPvcilISA4dMwNCq1lwFFxkQmOnLY5fQf3rHTWkrNxW3krbGuA_p569aagui32WU0nUfoZ9dkp3SjR.XGZZfDBHTuQYaBq_h2lJ0gLG.vuBwxtkgoPBd5Ho.vI3qiaP9TDSLKGds76I1BzeHH5j6l5V__Rn12FwgOEwyuFaBt9ulK_ac5yGbvix4aR12nTHne99MHUQtNZIoJqlxu0mQGSdfDskH1R.vEmturXw6FnEacZeZ5HIl7n7R0euE50_pvXJ5bsuRibxlg3IXxqRXQ8y6a5DYxr3WYMouxrbDFx1q8n35zKHUkjMKMeazzC60uyx.X5mU.jfAM80.eDb0syovbX.KYYl0KNnpX_VDOZOxiWSMu3mx7_lxhmcln0kn2inq2nXE6jDWgWieJCD.rVg8uABZLBXv87hcCyvWARQF9tkN8p97b6mxK4DD1RI83q3Cha6kgEyw6g0cOjq5fqZtPbggLbsmAdvF9jON3x.fONs8saW1bJxlB5cvgO1vNd5FlrwCL8kV.pnd1ZjnATS.L9xoqxBqDTUKiAE4kXC5..7QPPOHB1kZmFj97sqo9Vq6AOP1IxQynSHmDOLZLAJiwcccMw6E07sRePHmUGqhqEravFfU45iAWJLdgQHJ.asdVklM4dX25TwypHsZ7ASsBRtCB8BIove.p4tLHxZei3I_4Qr9RxPcVJZTrbwt1GcOfOW3tIArfCVSEh9kEv9LrZJss1jenZnRsY8_Zz6YZ0PfIBWkNsluDNoi5crmC1vAmKw_HF6nMl1cPFHH.jnisYGM8QWa2P.nIHytLuON0vraf3F_lnQ05CJ663oUqE2HW__PF14GDJEFZ9JZ_HiD6NoqhZLSth93xBf7MOg2xAE4XVauEMdpOwxECvQKy1OG5gI6.PyQ2ZRbFgeNNNTZP3t1sdOYcMuWUfS9V1MRnvGZrkfwVM7LdsPjq22i68m1SrTPRp8h5n8ZFsC1xGm1tNeMJTOsfSw0qolOS8iUo2reHApa.JIAlBBzcZdsK0DDNCrToziRdeCzgsxHIkkqk0ImbYHzEfpv2FFXExypd3LhnSwTZpK_PXkEmF7gRgBqRK3lXv8Xpxat9V9TDH_.pPVA47xej_YymcuaIBeWPEDtbULh0TLWerVAyin1yicGO2lBH7Z.fPEAHoqrtR.S36D.Q2EOpU9QIG41j9s8Ll_jEorUFlWvAUYLBTTu8rbOASaPAmaFJpvNWLf9FnOxXD.luA65Yz1sMClKAxN1l1qQLuiQtIQtWxbMj.uTOq.zL1P7.da0EZ3huFSNekxsyp6Bxfes27.RNQaxu5R6zZa5TKxgDH6g27iCsx.MB.rtyGtzaODLLMQBqRp241F6GRxTsaxmAzcc1V0YSLzoc4Q06AnHoEkxvCeRQyhDqY.B4vNpYMfDQ8GZ_TnCMhSo73.LTwzQYWFfDRFShYJDfPm7HIXrhs5Ej62Yhk1onw2MazXr9r7tpeG1awKkxGgzEB2D9abH.WDD_l9OszF48uMjmn7CX1I2nXzpM2GcNeZlEQzTrp6q9flzIroBftQEtP7e.NPcYtmRV587KBWQAGOri7E21SBucPMT5tKnbsDSz2tbV_FfmD_FPRXichwqhLOV.T3HBgt6werlGmsXwFSQu9CLvK8XdHpuFAuedcmzPQ6fi7FBIPCZAKy9wCp6pC4ZaocqAr1md6ibdf0tKIQNY40XUKXVO4BUSC0LfQjiDDH1BEiiKCxoWYkx3cN.lnkS8SgNQydx_wdZ2dpMdKO5aimVBxnAUK1y.FqZ3P6z2AeWIVNL85pNpYK6RcJHMjCGDpRav7eJPLyMWwwuHUEZTZPSnrDU2hOayUgbZBaBivIK6ayay.LSfJX3CnaABa_vq.Kgl3rFeMQaVc9_BA0oPezuWTbrO5TzdrRT0XmSKieM5Sxn21R_Z32MNrIvmbG.I8jfmo32GZQwhRCz0GlqakP2zpjhw9bNwUXSibhp1f1uE85FKje3w0XWM8Y_viZ",mdrd: "hsOw1_C3oKDVt7CEyXZFFgORqiqsUx6u8E2LyQSNLvw-1739311252-1.2.1.1-POefmGr5zWv6xaLHIA3oybqCG2BO4umHzmYEDjsqF0yfq93Xd24.WjX18CQhkG8MGykRsZ47Bo76inP6U_M9GpVuEUcDJxBQpOiJNLcDZVDtF3T0lJovneBfwXXDwl.qNOSitMRPybyXNtvxqRRhwx6J63.8zp70Uc9nZvCW_X3XTYJAvHlusbyUUPcn3GDdFFf9RNtfgMSMSHaSVdvMs9pQ6IjLVHG_lphpHlTaKl.sMpu_aACay65CtPQ4UlW7XiKezDeo3zX6K26_C7oNqyhdouVWXhaOechwK5M2gT5q38rGA.x4SOmC_qL3wEM56LTRfa7oshslECopC8PavYwIb8WeOecBC44DYhJrAQ5Q7SHtidXBWnQW.PlsVYtylDu5aQQdaAHGukkikikTktr3HFAzH66RTACVXPWtC8e6anyI_qipVVNsXzr9FOPbSRUhpiZS11t11WFdLwEoIsjmtuxytTmprcRMXTsFMo91o_EdrrGgxTc7BUWBKmZ0RwdtL9v5b5IfvO3DCGNTC6kLLJoiKmA48tOM.ebkSpQzUkXB9wluf_HraUXfL1yKMNyChh6vqWUDdgzDgxiYIz7RivP4CV8fCFfUlYMsS36W1W3Zhi3wXLf12Yjc.DFeZm26uXxPad2i.PBfV3X2PtzUx0fmIik.s.CtKvhINzaVSHuCD01cPu2fxvuo6FLPeIWP9w2oFl8NACt_mB5N8Upq8Cf4spZqKx9RXIeqwh_lH78NbC5EKnhbWQTbmkthj4PmBKl0M4cvi1jvdJYOjiaJAUlQwKE8JlNhxCYm9wHNMWyDvYqnCEBrhwGlMEIhbucN4vgSDW5s02yqsziTKH.HIrvEo..dD.KmAJRe2kHKqtXpOTWirJ3xRlUW2jIM4x.9sMuQEcn2JTHaCjSP0c.ekbwDxHRQRa0hETsmq9ozeSUV9s7M8P1V.Sp9v69_L9TdJ6DKVouNZhyGyAwUnWxzkrC2i53GTPPA6E5cDQLAKsRajAmdcklgxRaYH8Wqsw7Pdp5qPAhyGUiL3vumxdbcLsLJivQZmZfkyBabIMguJqK2tOHy5Ewdh.YwgMH1APN6Y19J5IAYE330t7O7pgjwa1IDh7MEJinjuVxJmb5pUXNEXhEYCrTHkSRhgosHs7xZYPXpHeAcbc1q6mf1OylDzi2SIKx6vdU1y2kBv6t8bTT1GhxQEWJ.tEH82AZK9RbPni435TvFZqDhR9L8rC7xi0.UULJHiqgDV4OwjsVNt872SluDH0t0mbsmESSW5pzorZ4QB4tmnF6vO16wpsqz2VkD9_iwGKPOqoXiike5d5YfXxmFLRDBUKLyJJaenWGsNjICM.5kTTNdVtYzabBof9cnusfOC7avfrYh_fvMSqewUF2ZR7kEDBApor59tsgetbzdqjcgqKxQdZI19jrx7fBQsLjztrWceNQIe2.JBJYDGSljbCdc4XvhHhehVJEwyNZ0GpfWrr.pnro6Udwc2eyRwxv_LIspRLYxr1GXaHVCGMGesjsikpx9b.Ot1U3GWIblWXJS7zSXSvKNvCwZR0G5RJRRpamPVGcE.alMd5tY79rsNh560rMCxaMt1Bi6DauT4b8UeRK5e3MKHi1EEYpMG8B7b_ipCLG5BINpaQFnwKYK1RpT2T4zOrvz23qGik.Kgk8.3JM_lYNOD3LsnT5bh8KOStSitIwpJWChRWo7oLWTAkrFzwYQ5mqB8vyNXCFiylNJR8_fgl.BP5wSQoRh98Zw6j9exWqHtRf7lk_nJ5JcBiswrNvEEtEef1PszAVRCCxzJE8.p1L_M07HmggG9vF.TMYxUXKre08"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91079d3edf009c52';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\/8379451062?__cf_chl_rt_tk=jqhdn4OX5mQ5_dxNiTSFX4peE43R7a32nfs9QmE4bIE-1739311252-1.0.1.1-sf9CPG64uY0sE0ELzTBemLamhAT2dgu9PF_ZUAt7hdU" + 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