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-778355864537.mit-edu.top/post/1675982340

  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-778355864537.mit-edu.top",cType: 'managed',cRay: '90f3505dfa4ae608',cH: 'xwV5rKWVi_Ftlapv5pOkc_LfZGLgWO_gFSzIAMVQQNU-1739098388-1.2.1.1-9XXZouZ8FgWLnGT.VxTdxARAdfepSjzqwd4GRmKmp1GkITrjzvD5MtyOfnq1sweh',cUPMDTk: "\/post\/1675982340?__cf_chl_tk=eYUxMBtfcQDLMWgAWF_ajA.e5Dlym1Rg.zNQdboHjHE-1739098388-1.0.1.1-fEHcx3gRpFTqI0i6uqgN8QwTh6WvqRRU2j.gdAlCjIU",cFPWv: 'g',cITimeS: '1739098388',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1675982340?__cf_chl_f_tk=eYUxMBtfcQDLMWgAWF_ajA.e5Dlym1Rg.zNQdboHjHE-1739098388-1.0.1.1-fEHcx3gRpFTqI0i6uqgN8QwTh6WvqRRU2j.gdAlCjIU",md: "VJ6pNzjQf91lV7O2Y15E98e6ok1uN6FhVfs0qbJOSTA-1739098388-1.2.1.1-l8fSLuJQDUAS2IoJJbIqWKlcCwmlolJuEeDYTAWpqUlDMSTdHQ2_mIVqPHFHpq2RPitoL8Km_v6DKJ4BKJx7o4dPJ.YrYdLH31tJmHUmjMXNamwS6V9DbeZazu6KvMrnwEcPYgE1s2IF485WFQr6XBMrEr0In9cwoYk3UFJSfQcKy_WiBsrDZCXOflsecD.naVod1SOzDoF9Rsn01e_dElBvj1c9XFONAG1d7sygWG7275urd_zPfBS7jFpLbUdKRgls4nOHvC9QF0wPXpGjRDCQ2EvAK8fLLEF8.y0s5U6SbI7b2HyJ3Ph_gl5N0rBjIQZPoSIK_5it_eDrlajjG2KtPgvmYsW2bHkGgmc2zubW0mtalgJ4nIasODV1owqy5l7Tf3ho5S7MK1GUEcXW.h7X4CaJyn0GIZ0euNIGFhNWSZT9z4uwQmUQ4CY6RYVsAB_iNX8bM4fPI0nkuw98wfbnpfnotYdM2Lqj3IzQugJsIasI2FCpnfBnMJ70mjnb_Lj0dkoetHSXBQsRluLI58ZAHWU0k9eHvKI9oS9Qz5PbE0W9eGzuy8X8O5QjB.R8zRxE4lMC2BQ.Mib37doC8KgtA8rO8XunAjtaNIduDSGwg20AQXPeW4tRdyhhA9wsC8Wz4ZR53X5RWcU.p_F5CuBGxePaytYQSY.1glqNwg1fQOSh7EZH9.zjWRZHIosPAoeaP2hB54nEPrim07tgH0zFhrfMeftzqvkPYjqWOS6PpNK97kBYVaNzWdLQsQPUjQrnIuASriSzIJQkZTsMGioJzY5L7Rk0SzP3pCG3y2uOotiBFXyDfQUI8NErucq3US9lrtJMNsOa3Abvv7H1gfwpAUa.Au.T0NbCdCqtjdfoI1Pmq2k_vEsBcETZWj_GVct48m1ydol34Q0FkPMm3SLWCD3qUhEHwyY5uo3euylTyK.TbEKvbChEwWCYHPD9b00oXp2KEM5PpzfiFDQU.i04JO3gbYoY38FPxkDG9DJtBegy7D6taazPb2osDv_RjEl4uzaRYZRxI0MvJOt.1M9c6a.aNpOQm.T6Ov6Lx.19o5RO39msI6gRN9qa4BjWYI171PMsOAQINhXEQT0X95AwKtfCJAeXItzHaRLLfOw0Hds_GgZhg_xqbjKV5_UXnqfAemF1cTPPWgUWR1UQ.68a1TReBO2dh5tkuwzBU2NROQOg8d0786WHjU0htO2hZ_14bSep4lUI0SP5eWMOWmlUNHN7iDxtmlL3wLFaMyT8ZQfp_O_o9H_7fLlojPiqNxJ1o0oRX4wGytapE2fLqm23UtULk2jB090MuzNuTKLml6UV1aPxaBTopm_9U1zDuuF6dT6qsKNYc7ArpFxBBUihN38bxnC5xFo_8TgzqdM59_KUVdeEMN6j5xy85ZVGLVxxr_6N24rs6myDD.IDhCwiFyaZzbdmK16we_OqcsOsEbe7i7VmpsqVzSYnftBd9kXMyALZjcE6AoLhdLbk2iwK.i2F_4zNdYG_ttykjEKkqV6qMgzmjY1CiEMgD7_RltUu2X6i22l8nQdUCI1wyAAQeI.iDqKnh_9usfWFBu7xG95u062vzfN.7FnoAKA_kBfVmpDiiZyodal_PwPBMzHMY.V4vHVJAS95rquE2xXDu9eKL1SVvCLIgSl70GL7cqcwO78v3XbxYMwXShl.EHbStz.0mWDVaswhOiPfbVAEatC5iLLuiQ6i0pOiNP2y8BplUCuW.PD1qCyJeobWt1HTgraL42vz9dj4I8UL6AkT3XCau09hkFUsrqMzlUZ5isDrJoDNrvGmz4.Haxl6ecfnm8KXoQOH1J6rS8PqUbLc7.c7wfdHyXK4srDeltMYgUkEVr1v8PvWoYjvqTJxhoUXUgJGUqb8YsdaJAfIrgdKYBl4P1ucXlDRYhbtSyoYmS8mzirsNqmWeylqbRTMsBvFD114eytnswHabD9dGwbChDXtmEoYuHvmG8ZeP1ZbAC1PZx1B5TThZJcNzHWqOtq3qb3U8eCzpA7fepMeWApCF4sXe6EP7kLxLDs5aSEURioO7_yj.3H2MNHYTpaBkyLE_dll8b.8r8F4g7S_iqk1I5Ko5Nn9oh3yOnxrp55Zx8Ul1MhwEPCF41wQVy_kS7fGZbyX8BKWl9p7qY8IcRdJ.vRo7qgeXtTSs5w4t4woRGLjYpjIY37lEn7D4GB62LFff.JAF.Ecwrwr7Y0pTbWBBlXvZ5K1aG3UZBQ5HKu3",mdrd: "hhlrzExheSYd0FrhAO_Gl7IaJCiwmepXKOzivt97ktQ-1739098388-1.2.1.1-v7zQdPCH0eJa5qWhFzXcuD0iBlFKYvoO96S55hT9TPK9qv1TNqVp_a5L_d_i4TNvqqaK0zcLZ54C8o5CmCK_eoBdaoM2lhBRqd89RLnQxg4C0Y1CJ5EEcie7cVN9xbGUNVqde3h_kKsNey.syOWDlI72qz8qXV.gdp3XDBKesZW6_3aPPfO5iDwXzDvpnWJN2j1EadGhypyLqUghu8elTMhVjM0Ao18eqXhlTL4hDgudaBd3cvzW.BTSt_V3rngoplc6LJbfB1TbLn9XtPlVhzdikhCNsukMWESKLjIAb3jG.qB3m8PZBLS_UuwkVzmAgREK_QP20gvnVS7KyVT3CZTzeGaBZqMSXocXEagmCAu2KFP4Tr1m1rtGPY9m61VxZHIHM61enHSXF8I4hDv1OZKv5Vi.LHNnhd6mR3PdJ.DEneqpX5ZGtuPoMoFsYUqhg.jm6g0xeX6xIPp.eRyXoEHxnUx_eoDgq_IO5s0HhYXBMCk33OwBsIpF8h8IMo.p8fP42epJH__Z5VRqewbwn0OlJEUquAxH.i82PRMSAAGfeSqFOnZ8IY7hKnDevIs.JeF8q7eMSVoaVu1P4_uPUQAyGDDfFcfW84XgZ2YM4IhMfj1N0CcwgXs7AMlc1r07_DVtpXXDhqDsDmClJAXof4vGDH_TJ9lv8LkatyiF2adpuFqgMlqj9xGLselpMp8TlguUxUVcc5FASLwEgFbrH2L1FSPO2B1URCb_u2D1zVsH0RaA83EvZnhyTbgxmU47PrT0wmtHqOIJgUUXU3Xt1CPqCF97r63pl2mpaYmx9m7o4CEUt9Vh5srRAg0gKmyP6VOxxu0jDDFT9mLAKwvIKkT7L26ls7NVHmSbQW0M5pYIoNu5fcE7dBMyuO5idFCzKoboLbOkAzZsHSphWmpfl25HEZ7KKV7jNv5HOUVDnmwaOPWmd82ckxv9fjFvnJeT64ek.6Ptqc_i5TkMRX7V.4Ex309jg5cFzJTkUMMIDFUx0Wkvg40lFLMZWFACuDrTykJmpWlwSeDuIyY6HPhm5Fv6etwBhF2m3jnk_WpzcH9Kx05lUqSJY_LFDqXmUfB.QleDYS13thOvNmUjmqXqhOgPLhi6Z9kqZ9HJDIvwTb0VmOJHuR5vaqsKb6QEV2zBRtpSPPjct7EJaTkq2u6qmRwXhLVpfqmeEMOd9Lqdb4dnL0rYfosDEEr5MrcWAJYayD7aQEZi03A7eGdSN5FHYNKcL44j8rsRkegN3kbcyaddqCVLB2fGbWmGzbKUheO45U97iOJR1Z7bmGLsi8tUvbp2XLwIpMpA1m3BAm9TW3NSRYw190KVoVCCVLDbgUv6DhEgfw06ITUa.GNJnPPXrOo0vxLu0v_e_Y9wzT.90GINofsRuRZk_bxEbNpmkVPuKO.FI2xb2B33cFEpfwJ2rIJoRmruaCIvdLbY6UGoMQqc8hDWWwGYocKoTizqP.EzLnlgCL7HSEJ5djTr4944OP6fU4J82eEU7stu1RRTzCmjW0X9jJCRpKBqAM8Z0nCmevchigKnrh0j0pQ05rqZdqQ57_S6RJWVCGFtfjJuc0hmE0iqqM3WO.pTdoWNfayH3GD2TQy1SY4LzTP8n7bYZ6NJQrM3H80BRoWfj08G45itdSuR48P4vvAejYMa3Wf8VIdoSF2pkG3JMYmd7udFQLiwPPzrF0zuTnkmD70QtbbrcQoGjcDSUH2RtP4p3KH5Ah_n1e02qKxEaVCO0vE0vJg9GeYkr5rWd99BfrPz3cRBBdgqSFJZDj.LYJGqfjUCV8c8HH12VWRQLsscVJQx8v1Ga7S2Zeu4VcDu9lU7DaY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3505dfa4ae608';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\/1675982340?__cf_chl_rt_tk=eYUxMBtfcQDLMWgAWF_ajA.e5Dlym1Rg.zNQdboHjHE-1739098388-1.0.1.1-fEHcx3gRpFTqI0i6uqgN8QwTh6WvqRRU2j.gdAlCjIU" + 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