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-178631363135.mit-edu.top/post/7195028436

  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-178631363135.mit-edu.top",cType: 'managed',cRay: '90f661c968bd8017',cH: 'fwjBXW7itfounZa9pFjSZDEQXDwD4DkAYvnItp02NMs-1739130558-1.2.1.1-tLO.1DYTzHseKHiw2cIvRoixk1dL7aKDnCki81iuVrTHrbtknG80JuL8Kk.5b2uY',cUPMDTk: "\/post\/7195028436?__cf_chl_tk=Wg5nAco0ED3vdeD5aVJ5BlYykgFTr.Qu1jH3Z0HpFsk-1739130558-1.0.1.1-XfMnA2JzvE4uea1m1FRLhWuwup6sm.yEMtbvBUzjeY8",cFPWv: 'g',cITimeS: '1739130558',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7195028436?__cf_chl_f_tk=Wg5nAco0ED3vdeD5aVJ5BlYykgFTr.Qu1jH3Z0HpFsk-1739130558-1.0.1.1-XfMnA2JzvE4uea1m1FRLhWuwup6sm.yEMtbvBUzjeY8",md: "_zswo7k6XFc1o7OAIOh6NALd1U1Dbq2JkyEmvaqUJQA-1739130558-1.2.1.1-c14H22J.QQCFLzlfhrr2drtRYQcvgRmGBnobyoldKtUjgbgq1iEFYRkszvdZyrKCgcIAtd8v3bHDzG7vd3XMkSsAKunafrIwmsMiNaIOVq6SkvI6jk472nYwj8p_Cnru3yrqpnY5yDIB6Hw75877G3y2M9.ljSMjNYgN0l5gLthmkXDbrNjQAwJnDtiZ9.r4Z1xytbXUCgtGFPD4PbIQZFp0KsesAa7BBXevVKSmOn8v_y3P964Qpr4lxuKw8v7BVP7tWR0N.Gq1HuigFj32bNwrQ1qVP0m9e3zZkVZNhyfHzPfUgJa6o6FbL8EUs0WFU.Kfpq3g0AJqaHyRO7zzHhE8I5tF7aYnIIgWT0U0zNkkydoNn5jvc.MIFFTQl5ro0aHGrAqvh4HVUcCaG1H8nx.XejLWEkWjHzTTp2.z3qAPwNHh1eCjh0PjU9cm35pDqS0bF.qAdZfhjIR06mrVqRTtmyCmLsZcItJJLpYXv_vaZekcNPiEHqRa0iVQhAGhYkD5Q4QGm7_ApciRLtE3o6nl.DKt9MT_VqJCPCZa8LREMW6g5AHdNc3c2S.GRkxy1gaZFeFSJhdDxRKNiCspVeHEnXBi.XPSRzRHleT20KbMsp1a46AXsMlj7xBmgw_fhgEDSGGCCv0QM6RXuPsFYUzzqPXRRvdYKzQF0cCbwMp2g3e2oh8se8nKlC_iv59ZgOmXwR4BbTAnyIl.nnTUTwON_VouYLHlo72u6DecCUzbzUBTr17J2rIz0MsDoQB_LIRMZ15RCq9WpN9wnr6Jp.lduIBgQInWzLKAuq0l_uaok0BREPoYD8affVNdTx96F6_MwyYQKtwX6qCgh1RtZvnEXDO6Z8NfMMBzWWwnOaVNC62tD2sGQAGKn6wMsKMZBlVQHg4MkYQyJmo2BZcFmIgHJ.apAzjgyxFOfCDlRjuqFq.OoK2LzEl0sGC8lzVicvDb9e8X_TC4D1gHQqVL4HkeAaybDbes6b8.N6uXv4P5qIwe_Jyg2grIpMyDwHuBxZ4Anr_Rt8FO7SBTjC5MK9we7nYn5lDnxTsigCa4m_ySksXP_NKMXT6oZwdlJvL_c2bKRkZ.n0MUGf3zh5YZVA56F7rAKXzG23TIr5hAixKFDBwtCPGsZRjPB8RjoGaELNN2x7FJLTTsjNyKo5Y5ljlS991raZ.fPoNSD4Y3jFIsmDT.dwGGCtKRm7VSxUe7kg_c_IUTkvydXJfwsNtv6uq6a9oaLfWDImue8_K8sy3F6Pmgagrb4hx6AbjXFzPCmab_Ij_kW8VAWA.qWeJIbjF8Obyp.IhAgNs2O7aOhSmfbNCcz8iME9fXYdt5M0EZVXzRIcH7a6oEvDaYQDKoNo6ViIvcfg1xmJh3x5Jd50Wz2rE1ssRfTL7qbKpPg7AFjC1dvB32xzvc68nZTdE5OP4XoP1zqdM.7GWOA0RCyGJCR34T2LZUn0KL6fUQORfb.k.INc_U2bQcT7tJ9iYhm6DwXTnrnLedSnlsbuCfflS.r.fPZt.CJWvzODdGb_mfPH2aP.NXKCq9epHT2pxW0ACTA0mBw2tkmIwCTlJhj9778Uh3rplw2zDZPDnbP0wcikiD2gkWjn_9zqaKg1IGykuc6MvT0pObza4JyjbpmGvJRfquVIIBHE3aiDnrcH4Ke4Iz4rhs3OS6pyYdtvu.BmXGYb43wk5qqxhpxjpHjRcPJz73.GlM_ZYrNzTXUdg41plZOPUsLV2brahrP5PvmM3.EEXh5o.pZtVS9eodmgo0IyRiIY3q8FV.DNLWpX9YpvZrvU6b9NP1NHHkWSejwKY4P6EZB5AKXz6e7ov2L8Jp6td_.zHSZv24KU1b3brmLaZYcTugxaghXtZ0Ww.nxXuP2FWBKO0zwLSuqU9NOpXkCKpZhw2CVUuVwn.ZO6d7cRvDSxTlevKR9diB_NyH0VISqzOHIY.7Q0EHCG1reLAbmE7rnDYgfEMFKCHGW2ZEkPgZ0y0uMnwNm04VTDp.NgNtpg92O.Jfarz8NV5GbORtb4eHnUZ3vCxRfOqkI5HqrJDwWqybjSOTeS1ts.BJKjHIlOZR2nVFFsPFlYzAZoYVuHpgA5drCa7OLRPXGr229n8Y3uB6XzA.Lv_VhpgHuVdmK9z535dU4Q5rpLuhb6hvZW.Ps3epTkglraTgISO.7H.aV5aTGyk1bS9LvmsDr4ArmP0JvoUws8IG0SEDJp.DEgO7FVp3bD_7A3zK9PLZ",mdrd: "j_65DSbCv2Esv80DAEUtXsWMC16LwRrKqKOe02UO26c-1739130558-1.2.1.1-w_kWyBSE5FQJpRm6sWcg.xY3FiensdQxHwNiz0W7HgiDzNm_bD9mrlTA3Pa5J9j5X1jGKVzAP2LfbprZB26pVn8eSdUMLkhw3MHoIU1k6AOFBME0fJUQJUnZ3o3qxFb3TA4LONc5FV3qfrzdcoQGEb0JkBw78HKF5Gehy8Ljr1jhTMJSBuDqZjHEqCfy6ZQXlvClnQTaSZoVIk47KT563hndablpZVSQ4BDYyIJsTZ9hMXMdO_.C.6RD.PKQDqq9DrUvw8KNr0S9mnF5Tyl2Le7GS5MnNhTDCLH0F4hXnP2TDC7zA3S4rxFe3rCtY7NIpIk6ky.klBKJHYJLVXIGND7msKcuTeAPVuAAIFHjkAIgmeJxoIUBnz3LFooSSD1_OdDH06YfwcKTyKqQLZjONLA8yT5uBE85xUXg6tM_4kolMuxoqA8rn7ntlNez9.u5uyJ3MgaHzDSxyg4y9F9tLqvOylmMwqu_unsPG4S_A_n2gMJNqTOZQZPLXT2A53JAoGitCjJxzlU7puSAVwlcgzDizzyxy1ayIJ5icDbdRkctsDWcUDdorsCZ8iUMNuqpJGnfqS9f85uCx1mRKakvL_nf085K50dMgm0rLtWCiUt.Z5I6nwof.lsVBnAAAREXv3XMbF1f8l4C8hImDHiNFeBM8vcduINFOj3hrCNIz1NkxQTuYKQARceFU355nu_2qjYNFNIqGqLaonjPRg74Yq0fpgNH.s.dRauJEhbb.Gl9n8OiWMjofv3I5eRmONB1cwWwcDQhZxPBSRXdHbyk4ZT6.QbI4JqDR5weBJoTD.VfCzLrmKDBB5xrKf3LHu1AeY9SHoZl0.1daORoVssXt2D.QszyjJuoiC0UlhfmmbVTdysCz7cMtmBl3wJWCGFa0a97Ej6Wzi.7FvwvqyW0ho5i.Glwwl2SlsOb7t6mEuNS8JmfGu72Riiq1bi39R4xoFpvIdA8MMfenZc8bfm4rIC29buyhTV.yhOwscvc8AGZYr5ulaC0_8j6eed53quaY1bTibp9UQ7q92ifKXUMbarUqQEvbVYjRH.uiS2B5.16LmHxf8ghf_8kj9xMQd_jHJ_Z.kDjAbftM3wu7UjoABRPGBM9gqg8AIUgaO0dJ4Gcr0t1jhnWVjPh2KEFGL3CPu1vn90q8KFdlMz8bTl4UjBZAdYQS5Z1EMp1GcRFa53V_6FImsITt8nLHVl._pVzTQDvnRO.kAyGv_hcVXJWFtrPgrmYqMBBMQUUo0lw2qF3X8aVM_hsP9tp9FeaMs0Vc1uMQ4fRfjvg_7NjHwroBgZMPdmMPKsDS3b_B2vkLSqUqHyQS1GS2FeAnsIbEzNy5mAqy_KqoxFNs8_u4xeX5dlY5bV38J5YXtRomajWmkuoA0S.c_7Wu6zEgkypuxx_oEApgsJw.BTDbywVti08Js4sbLl_9CeGXIUjr4Be45cFjl8jcBbCCJpV5Qo1d0d2Hx1NN92QGcpEQ22j8Fg0Y1A.6ZpWj8gg3U_4FWHIz83Y46pe4iXIAmhjSUTn7vvLKVWzu9BZKRyGww83ay0JVQu9VJvllTymhCX8AjpNowJ8cXRAUxOfkd5ydvaP.Nb3YmSblVNFXI6MUmdlemGvItRp3ptXOSlFVC.n09XqrXeTB75kHFDuGGHuzdBncjljFcOI3Use2eHqGEY5bxuogWTja8SoPz93TQ08j8P_wFcIQv6JJdCBm4vxF6X_fOm7T0nWjvC5vQINjrA651sYCC4sZKwCOPNj6diavKl0okDw7cIXrkf3feVE9J3KfKq8nG7K3j3T9wVkqVXCEzoMDw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f661c968bd8017';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\/7195028436?__cf_chl_rt_tk=Wg5nAco0ED3vdeD5aVJ5BlYykgFTr.Qu1jH3Z0HpFsk-1739130558-1.0.1.1-XfMnA2JzvE4uea1m1FRLhWuwup6sm.yEMtbvBUzjeY8" + 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