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-033778009807.mit-edu.top/post/1650982374

  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-033778009807.mit-edu.top",cType: 'managed',cRay: '90f818aa49bf05e1',cH: 'K4cJlN8bUWnBdfS7fmd4ArkIra10xdpwg56AQfvtbKU-1739148535-1.2.1.1-YmvH7qxLGd.ulzzhMD4DxPybD8GceSdhQEDHNGnLg5MpkDib7b_Eh5ZC7ewFrL6w',cUPMDTk: "\/post\/1650982374?__cf_chl_tk=f8CyO5rhrjIIHhiBdsYzHDvRRgvQ_oWDgXJDPXYY8uM-1739148535-1.0.1.1-kzB04Qjga6Qc779HF1RslLzClccVZpzxAc6NzUHl72E",cFPWv: 'g',cITimeS: '1739148535',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1650982374?__cf_chl_f_tk=f8CyO5rhrjIIHhiBdsYzHDvRRgvQ_oWDgXJDPXYY8uM-1739148535-1.0.1.1-kzB04Qjga6Qc779HF1RslLzClccVZpzxAc6NzUHl72E",md: "VMYmcgOcEOa3G2shJWxZWZEc_0pMTpVbqVzfDUE0nxM-1739148535-1.2.1.1-kh6IE3uwkPbhoLS9JGsYSWjt9Y1JXcGlQwfnw6da7n2iFOiN.ArFmnURMnBQ7ZeC5n4VmkZCD326llunKGMdFqDjjbHPgehzOUTwVyw5ynWNsc.1o5rjePUNjL0IVwltAmvLb6z4NAISFrwHD.z41P4scuqslnZFNHuNUFyiaJWYwuRAPFo8LmrJee1_pV77lBCaCWwH6MdAiAiLvYbSxEHiAiKrFnZYQZKLczQTiw0eqeEgY_hRonxxWtUFqsQQe0QiP0h19Hm5vk2HtkE8ik_CwD9NxC1NDPySO.NO7ScBRziBN0FWvcw7jyF.kat_O33bA.F2fqjIO9HJ_mxn4gAK85jUt7ZtpHuEMlZjxZgp94PsCpclezEi9ruHWhP2FvHcbqM0ULtWtNWSu4kAm19i1G_XpOhC2vLtj2IwqNkIoF8VbEvq9.NpwKh5adRmab_A82BQX81jnaTlEhD2yWYQP034EbZuDPKSok1TpS52vGT_stXpc3KsNW.jspnu05q9qdaRtRGEv8Oud37LKycET1sW5vdlgSPxCH5R93PAfvU8fythUBZbGd3CcoMczGCxNkM3p23U7ZmxXqp0OjeWi5CrjzJ5boZJy2FcJDYRhP9QHPy8f.bRySnHMGtzQE22Y6uGVo0EQqhRJiZYslVzsR6mDC7h.wJHwiTayBLMdQjUzZ9CKhlnuzeNxA4c9B88_tT1Gt._OvdrXyTtCpvH.K0athBDbb8_JcFUyudU40qwoUFAKJuyw9ZvvYG41XoZdTSJXByt8ECfz_3d5KfCJtYSJ_Qnoudc9Gr13_btI1BbYECu99kdcrP_A2TKquBk.JSXiKCSjyAY.F9SUyBcHu9ayq1MRmXhiPvvsp1a6p3.w5iM.Nvt2L3FEYWbdqHA6WVPz7VTM3fGiA0d0ClLKloNauM35CRB.EaJ5xkW91Pe7Zzt4vHYiXct_uO7NEnNjq7NHhvb6cwpmweLTA5.X6in7sJjqykkm_Dts5lAYsQTrCHmHOOTniRg7kWWtBPr6jBEvanwt9QGZHiTs5Bq0dSvsz7qo9RFGJnBqgcx8G51Xx5XF_oOeZyA6piE.2YjreeIfOecqT0_0C3IfQtLIa6raVqNc8Lg5OGr6I.2bsjiz8OVty5xGJFrbZltQYM8j0NuIGWVZBS.tYHte51EuPspP.ersJO8e0nYgVoWmZJnsUK84876O_phA3ShW3pkbEEpdyzyKnWQHLpZcglJZc10ERWwy5XXoxFDAPNyWYIAgLJKmP4qPEupFLytgXxBfbB7pi4R7BsSNaXrES6m3BW_bUsknNL3iFReD7w4r_p6TAoQDubgjgOewVK1TqamYjRIDnu4cvru.UGG3.A1xTMl7vAJCB9x6VnhryCdcVN22WunM_axZ3a9BmjJ0jsFlFubjdZj5d8xN7HSh03hwnePodTdotyFsB9i9IuKoNLn81tWpG0tkcaWkvdvwVhLoix4HoR_gquJYHm94GGcWnFZH3dHDh1uNQyaIoBgRF47_XT_0pOHbyBhJxSpZ3wlDz4lVsj0Qk4cYACB9iATktdYo.G.gf.7zMUQlMO4QSHVkMnEvznjKzTWdMk.532rr_l1kKFOuX_UVi5PgWJZI3GbURTN5f2YOG1I94u7sZLhHY6wIr7qeDvez4tYPg1Gjc_Vxc7m42bd0Zf_JbYXXnIcuyfgkBFHI0CzY9n4AvsIvjx.rJJzL0XmqMkDpP69loZYgYv7CZSnpPTK1JuW_LWTEN3mOxkFe4cxANKJDm0xS6a8vrqns9hOQttGqhUztb3ZZelKAZXNYv2m.DAKK9sxQOwkjKuk.ZczuKm4UGGgYIeIcGEb.xk5EUYpYiS19YSqHzeGdn_pDdprcvdKs2scG.Q00KhESKbZishZCfD2STPNfK7BLiSJAzfNNomk9Ahmq8qI21Sp9BFXC9gwHSj8qdB6Wbep3ivqRRHH90w72dQBW9LIVrEnz3cEcx9SWVKqmw20tuDw07qCP_IHaajX_KLwy3w5uIuiTzT2Rz0BtTfU51XwXST8rtJp8lcyBHVilIi1fRiiikmF0h2zbf6oN1x2mKwgkZTX8mwtFufZvR7rIUEaaW4Whr6P5LE0KEzMtrEwR6K49tPiSifQU789H1bNucsXm0WP5NkRoEtsJcJ7O4MLNC5jSbErODRqXora3B8AaPPT7HFMgdeMfy_AT6_Php6vpYPyTx.VbRmuYDVhYn68m4H6_9Pc",mdrd: "gzqsNAIPqQ7QfNJDHpI11gb5uoVVIrZXnQkd74oG3mM-1739148535-1.2.1.1-VAWkEYWCDDsOlX2D_2FiBREeOBT_xWeNrfi9gvnSJvwu4RrntdmtwV3aXdoqpXqhoSILi_oaZoSMpZSR4NUZvMdTdvsswrrw2Zu2ic8mPUWyulCagWd5PO4WULp0F6S1bVkeHSYKjerqaQsajLZOuPhVJSQrfp2szCVPfAW2ypNYG0PlwLkVLxe2SiZGVYonGcRC89H3CPevhSjmVtrwsxg2V3H_.5uwDtQGC1A0V0syrAtDL1CSq9f1aPUB3XPMJ0IhMojIVxvmSz1upVa7EqiStcTYO8UjZwX_oiCj3QdloylpnAxNcouQR_gZtJAtobWk0KCj4EYucJtnRAhFE1IBiCvnvCAfUbi.fyetBZGz8yS7IiJrzIKeRO_dvsrk1I93lDTsMihYEj5eV5KR4Fnl0onVVnVPaSiPIBJD_eMB8oAWb5YeNpU6SlDt_qFGY0o9fE0_EsLu55.RSnDJeuHmRVHDcgwq91tmRMHV6U3hzmyETk8LJS1qzhA_1fXYTUAXM1Vg_wk8uEGzSMKUQqoYMGww3fVoT_7ZnYFf5oHDKpPPeldc9aeZ9MvY20Ok5oxuGRbUeK08NtgOSn4sv3WDg6eIxarXYQm72qaVHiGdytX6.zoIzqmPTCQwdbW6KvkpU72ylfomDtqpO55otkwPqJgCYlSRZHise6akbEj8ELyBI.8UiVTwUKOvxEFAn9_53u8eSMB30UkEtO42X_lJmDT9IrW9tQsd9OP0pmJ95_TNuS6Sa7ZnNf1O07zeA_GiOOc5Xk3wNhcrQMqBgdkXwrXYxWgMj0BKyj3xa4KyTicuflWNG2AmqMdl0eIwB1WWyBapoDvU7tLgJIPYcxKkgLTIRpkfzTIjgo.flQHcAezFjdlSIZh8zjG.ZtKNat6eIkYGUllO7l7VWM4D857GPrQIQKpznLZjfjgn2Fgf4K9eQ.kDXoOzMWfe5oHt1fw5srPAI9O7G7MUjLwWicZ.UuAIrph_gX3PUgqaIVaKEkTfFa951UeNi9BCvQqX0pS6SwLQaCs9oJ4I8Y8tYbmd1YbztOVDvFOShiaNfP6XD5fbHj_BxN274Mvebjx__GDaFqZRucmxP7xlbiccfqde2qjPLIFbAi8L9woJ1enwK0cFql_hOeB1M0UKjWVghsNLm.6C5Z6ZdGLxULkTUN9ksxpo8RMy6ZQXjsVxGRbK74LTLZ87boGO0kxcz1QXGVBs.kkRow8vAPRNhMLAF6FV6Htu2uAGP1eGzZZh6pq8wsXXmHLhg8AsTlkCr_WBXTqU1TF3Y9khS3ISQ_qZ0DYkcPyNE9COSPArLiVAOMjkaFgkjjHJsNBybSxcaeu_DxuMPpZdYzeZCfDiXKIslxxP9LpDstwdg2ZmGbifkUMknXRz5PffonQKtiNeZel_awzkfX8OfVuTAvFtdTAaXzTRnTWYPc8lajKI307wglphTBEKrSufNraO.qf4zADwxEo9pKnXVNxJpaesdsB_YiQ4ToktB1bXazN3Mib2_RGodzYs34_6xwFdNDnwcbOIaLSSalDgCeHt.S1.hh7l5e1ia5N.gaUJy6_iLdzv6pCUxYEGMB8WBd6yM_sTNyIwxmShkcEnGW80chy.eIHMxmEkMl.l3mVh_.z9VjxXtB7KC4Ih32mQLhszxpzsP.YSoPdcvvYyiq6_Hl8OfevMOC4RO0fCDdGMhRUljFEWjc9GaVzQElqsqsFV4_.9a5JSuwL7ZcSlGzT3SbIxnFx3G9mS_Z2D5NZx3zT24L5iHA07WJTahjLRv_ks1Cj5uFkqOSdxHg9iJRgaNec4.t3YUYDS2i3ESgjqczjoCcdbJKA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f818aa49bf05e1';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\/1650982374?__cf_chl_rt_tk=f8CyO5rhrjIIHhiBdsYzHDvRRgvQ_oWDgXJDPXYY8uM-1739148535-1.0.1.1-kzB04Qjga6Qc779HF1RslLzClccVZpzxAc6NzUHl72E" + 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