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-238708036489.mit-edu.top/post/1749836250

  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-238708036489.mit-edu.top",cType: 'managed',cRay: '90fce1c0fd095a69',cH: 'Xm_XhvfRzcaeTq01j7TWlud6E95T3JrJIK3xbKCjDBo-1739198715-1.2.1.1-7IFWy_LECpXpvaD4ib6GSidK7hAqDKLJIsRTuSFml8EeHpPDFMjceNEhN8ANkjx6',cUPMDTk: "\/post\/1749836250?__cf_chl_tk=GXVsuaD.gkpySK3dO3U122tJp6LQjFknWNneNu0rzyM-1739198715-1.0.1.1-X5Tv1hdwq3_srr3PujjiICiQmWJIs2_aarIaNYTybxE",cFPWv: 'g',cITimeS: '1739198715',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1749836250?__cf_chl_f_tk=GXVsuaD.gkpySK3dO3U122tJp6LQjFknWNneNu0rzyM-1739198715-1.0.1.1-X5Tv1hdwq3_srr3PujjiICiQmWJIs2_aarIaNYTybxE",md: "Tc8zExsFZz0eGcOT2d9M1wuPmJ3l8BYmysc.3zdJaFo-1739198715-1.2.1.1-7MuSdDcoZ5RwmWA8XnNrzfNPtjAZSz4sEVqfBmiKNHaz.APxezQLgMf.seJAze0JZPupd4gECp3Dcj8W9VukiuP2PeolQySW9omFmjOfsN_QTLDoBWmqWmtrUCDvP9wJXWQvyx91qLfG4ZxWP9O2L5JtI8mQfh870Fj9fDhrVjy6FVcx1BV6Sd1tX_zNgP_.O7662h4p6nstDbOUDkBdAn9BGvEdLDFLIBC.pEdylygvMgg_L4dLjfB.qSYuqlLgKp1VzDyn_c1ToJ5XxVSJyaLIlr228gspcOqbqnSNBQ.PgSl_PvOutZ7pAmu7s.q9UpINhkYq_QBMTMcS83OQuiz.pOk_hZQlT3Wcr5O6Rdt7k4OIW4c6rZjtckvngl9jEu6kJ1lHHHAqSLA2x8iMH6K40IL7Wo1nTcmMTlRHDZqrrdue4grNYydpOuvc6Z8o.HMyZ.SOvbwJ05UIoaLFBsaYcLqNTs.Z1uibe3PcVvxaLduYnJyO2V_7IefO49uDEGj52N1Jf1infR7d701faEMewrDegimHjF2iw7xrALfIkwCjEJ1WAqQnW_DHvkp89iHji0Eu_Qw__h42lxEV3FvvByVBQyOLRKA1gyUhqzIiA9sih_dCWMLaa.v59JINW.otqfBlxPbRvOxNwr8m1dlNazSxwUa00txGDiSE1zjjvkJSexk7TsDuw1QU5jPqdx.TM7dLdGScN0C2IZU6RYDmb_fnP8_ARyIFAq_XTfleFr4Rz7ZC3wCwIVpIuTPZJyupJH7.907k1qZtkTN7_JuAqAcz93tExNPhcc9iWRVf7mOin7hu71u1ldj4.8xhooV_MYPK2zxeD.WfkthbPsqtFr5oFFFuAY0kNQUn9bDTANRGL0viaFJ8BAU8BGi9Yx1wJ1fmTiJwlNXmfLjGXpdo7xLBGfQ75So6VXezKrbmI.aiWof034Upskdxu3Z4ZqvJHsz6XXfkAbaR8HKPh3xsAur1WACbk5asoKg6wOSY7HNF9_MfS7DtQwJ6.Lda2TpYMrvv2Gzy2t2HMUeNw5dAt6uVxcJwWoITVwQahhAe1ARD8bMaNl4pBo0p5dE_NfAVjY4JPJvmFsc5QkWu92mpUJM727kk_3wAv2Q.ztEDi2UI5tgJLMvxXoTImBtpGqcwckCduMOI_A64CJkht5f3ehXEwU0AKdWedJpwVOxDB0tko41PtS3Zzp5xZChuPf0G51eXR3lL11rpoQwcadQWaLxmQ3P.AVo5iZbkmgrlf6uPfSTim_2qBBZRG1P3C1.2R8OiooFAKnHfqeGBqhWeE4MbPfGwGiqNOJebhoCP5uo9X3r1SO5r.hrVf7xlqbgEuqEtutSdVwlPwDNhHky3MrGy4dKV.Ly4C1JvJFlMIbHgp0.UJl6IMRyU5BYhAxCdDonQpZdxPOG3RuERd9RyqDgno5GbFUj12D5I09B_42CbMGBZEVX65YK54oWkmFZjbAs37j8xF00PC2XgcUf36wVCVZelEQp1feHyPivu.IVO7TQkb4Hr16tyWIudNyHsgXCsgKAQ8vVJn.Pw_4K73xTprEd_itvhNyYamSU3lTQ3vOmEm8MDb0DA1LaX_fjIvK7PjCgIXe5rr99zrBpKMvajlLii06BDKNrLiKAfP9shOtKzHGpyshlF6AZQdSmm.O8SMol5gAZX_7ZHOlpdl6Ib3gR.P0ZTUT0FfpS5wTwtAxN6_a5YpGS4P77b2WD34NjNy.8bBv.0kmMqsgLmPjRSyGfIAJvPPkqMdma9DxPw77xxRaiP48TIEDTDdbTwH2vK1ZhNG7x3LISUCTY5psFqkOklUDRnFeZt7lCRUekBGJhX1POlStFfRGrKpl6VX_EeAR2TI3pIoUFFi0FXkWv2CpWOjFEG4h1C8yEMbVuAxwR5l4_236FEW.VIpy4ExcS4eLKPDtIb22OeXLQxCa2g4s6216MeBnUyIAoYYN9R6anTDBf5rotTA5ZSRoFN2vYUJQ7CqxPpHGtGhMmTiVdWmDGg40kAhi7UvvBXdZd2iWmiGCjKDWPcUEGMIf4xVrb7_i_Sp377dGwkUfpg5nbFsyd7jE0EE43NBWaU44o7I2qIbFjEZoaC3CvdS2pMBh1ol.r.Q50lvQ40NvcgQfItSeoSXJLFSN46PV1t4vlkqWn0_lhDDrE8LFP5BtGAA5JnZh7LwUknvwHPfxrCTnYSERdBqta4FFuLW50tFLnCs3pRLc3zaoe8xT8n",mdrd: "sEXjkkCgQQyO9ijIbt9bhQp.5SEmAZne7ujpfkyyl.w-1739198715-1.2.1.1-suH_V4TfEUU9YaV_TopKh2MVmWTjkSf.C2RfAzeoh9.8ji6kJS41LZRtutF54vCKpYtWdVIzWLfHSaiKamdp2RBSri4atikrAoX6tYnN8lJ9q6ChFKgZaJX5VTNY0rE3nHnVy8CkcLru911OCtzQg7Y85MDZmXrcgkJ7z.qjWwpg8c0o49cyuy.o7VOYM871BBy32tvchD0lyL9Zq8yFHLTfZijmzQi9zYoL9a2MrIakeJs8KO69OCpwo4Tp7mMQmwGqduOjHFMuwcfLWo2D9gnpGAhXx9vs4MpyCzl4SLIc8NG_ikGUT9QR9DCU_gLMUrdRQsQYlkJjUGTHfHcFPuxC603._oFW3xORj3hgtFKs6vQkb9vnVIqjsBYcP5wVOlF4t.3QYBgZiguJqlo5Vr.HfKPsRXlqYy3GwnPUF6.YYOhFJN5tAsR3UGK35wtFeCCPQUSBjrwIsL4eQ5tmMTWXzpOp58et4eOKD6L3Ym49HTVNI7ZHCx4WBP7Zvl3YckKwsKnZEHfWdJBpnTXfP8TmsTbGMb3glCysyWul..FaETphlceH4q.aD_aOZDy6y5kcI_MnHnB7WJ.awdLfbyablKPQ_umhsUpXKVXjEXaUAQe_be4xsyJMPK08r_.ynsA3OjDoGpcHbAbkEMrED_OQPwWq_xJDqjBIs_RXm9HelRWRd3CIryQGy1qLzJ2VTRQTkU1GEaZL0AXtORADz6PvWaw6WVXuwaSnn8CHjNI5Mr5KvqVe9PMsc6aqedeamcUxcFqrLa8Pzh6cXGvff4sppEqwYXnL_BYkMFkSOPnkBecRbAuAOlr4HSdCxu99skmm7DjviXgQ0VAZxR.MJQYVHQxDVBpVCV4zfxOfuOr26h3xSjWvDUcuI2RNOAx1okQNz9WvyERWERMBMLM6hTk..HhzqRQyg_gAN6L1JeFjm8jqvhh748Uc6AtWAbc84Oh5yFROiZJQittwf4n9EtZg00Rm4xDBDmlWJWt8kDBG51B_fLaO0YIZk.kXk6p63Dx7TCSdDwPQ5OEq16HwSBHRBWjJ7M2a60k3NqG8Ht.jAVQM8lbDYbGs2jxFPvvaZDbNk31lsD.EEWvfSbrxubxk.kQt9lrfmZ2hpCkjW7ZJJASzqKxSLxizQ1eG9XNfm8XkS9CyHgEVYidoL489NAOBhWCqtusFuKkRPWqMPcT8xz7Rt.S1zwgZwAfve5LFgPzqdWMzqieJKN07ArjCw8c.e3ln6GQeRMJxzZVDxlCgogKe4BuZVF0o7HqktFe.cQoGDJbYqLBZENfTdQvqe41SFKiX81D32UABBEeF1GnO_4UUhH__E7GHwXRgXMS6M176d8m0eCbRYDy.Zi9qD1jkCyHpXDHyhqWPwOw6_r4lg2DPr8Tdhf.TQ6ifzFZ7.S52TfRqHL3GwipmHHaUgMOe6Gq1XHSztZTda1t_PV8E0YFXo9_mCAcIOiv45TzJeR5Qu6VfuYmXV6AN9iLVXs7AmX4UwLFL85ntU73bPUTBrDnzBZ1nVVYJs5b26YbRkY9rbDuXW9kX1i4r6WZqoo9ycOuqG2HVYUs9xDBurbjBhg1uX9uMvaD7149b3PBTetidXmG0w1Npdnd9ALDqMeKWBRKYMWsZ1GcJ6YEmw9cm2k6iQLKladQmVvFFIfdGsZ5KkomZd6Ok4Im0P6pfku6lVy4zTSIJYdmqsx4vju7EyEopFYbOGIcrdVAqeUu5EFtBHyCViNRX3azHMnDu53h3zSvL1ePzjYGazng8nFVD2YUokaHV5ca38ccBTEp1glU1iZI6Z1YCwKUyHj0iNvAtIXm_362c6Nf8i6IWDDOiFK2gLg_fET4PkHDjXfdT"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fce1c0fd095a69';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\/1749836250?__cf_chl_rt_tk=GXVsuaD.gkpySK3dO3U122tJp6LQjFknWNneNu0rzyM-1739198715-1.0.1.1-X5Tv1hdwq3_srr3PujjiICiQmWJIs2_aarIaNYTybxE" + 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