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-affs2zo3b.mit-edu.top/post/0741625938

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-affs2zo3b.mit-edu.top",cType: 'managed',cRay: '90f7ad645b4d81e8',cH: 'EHPsEvMSYC1lL3Bh.FWzvgmxXy4whTfjxUycdAaYqIc-1739144141-1.2.1.1-KgxcO1P8NUQqLW.OuZfmGENiZ1jodWgZqOZOokzsgeK0WQ8X.cuDdExMeRni_Kif',cUPMDTk: "\/post\/0741625938?__cf_chl_tk=AwLOLhoW0UlfG3oNKioxT5CQRhtmI3y.wdjMCyoDGPE-1739144141-1.0.1.1-yu2AhjLIgFw7RY3E958xBMeUuKyz6bf6Yynq33062E8",cFPWv: 'g',cITimeS: '1739144141',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0741625938?__cf_chl_f_tk=AwLOLhoW0UlfG3oNKioxT5CQRhtmI3y.wdjMCyoDGPE-1739144141-1.0.1.1-yu2AhjLIgFw7RY3E958xBMeUuKyz6bf6Yynq33062E8",md: "ckvhjzSy5NpwIsn.YhiTtzdgYDHOgRXGWqgy5MGODho-1739144141-1.2.1.1-BMuMITWuA93B7LRU9tMGiGmsGH.sxjwJIc9qV5z9Ckz3DbuJ.NDUQoOA1K2hFgLxev5QSlWhGVxqCauaYb9D29fJUIl8ZL0u38.Kai_0_O3qaOHrrmp0gOxIikJ1zhG4mhQYufSo47zsmxDtokxtNeHkzbWJQZzkuePQT3XlK2mkxsoGruC2r93oTdztDSnHic0dTEk_df51ihyGD1MfW7lyF6UzAYXiqVo2hs4ifhjJdcyl8chg3jQfcK0_w70uuPrLPhbG1rOTJ0sW00j29wi0uphv8NcBP6bpgFCHY_Z63FNXhbYIb0bRiaacUiKSAW4.OHutW6xdLgZY3ELmtQaUseTYKChb2qMdbNdhzkr1yqs4iyVhMFbgp2nMUMwtaBP9X9zeIvtLzyUbdrjDZXeV0AM7B95SyI8q0yrAZR0vPOP.VMfa_WwV6KGQp4VoA6fv02ruHqOU6R3iY63LkriMv3CqAqno4Nl3UQ.oDyC5cXR1TS3ONNcikS1qKfKG2.cukFwoKW7KzggwjoxbYWRwIwLzIqYy2gohH2x0Gm7fHdD2OtO.0rHAA3GO6djgXdZ6rqMIE0sKT0QmaHvFlINDp0d0ivd2sbZW0mLS6b.GQdjCFaRMLpFJQiodVTZ1gJhu.gmFCF9vVFaeYOpAnzNtuRMkOvFqakTCPpAe37ABMwISkpaYtUakirxbaEVtoAfqn55zUvbD801QzDA5A9pArcpRoQjrP5MS875nyhIPdBKkVdBpO1KwYNdmT0DJyqvr28mqcrCKlULtvSknkxyECR4DVGpNuw31Acw5SlEYwNunLfxASJ1ib5NzfYjAh2Rq3hxO3bkwSdOYNLr_yd.YGO3vv20BpYvrVk1x8IojzkGjiywYdfmh0VvJeTztXuPHZ9zzdCha6zc3wSA1mBPKDHD3F2ehJDMirerxpxOyqyPMP9rS.i2jwhiVx44Ii40CXW88VMjDOWRyRbIWMTR_.iRmgos4neW39WFs32tS9aIQtSlPHKuWvpoR2Y0VTSovqA04IYeCcLjHNO_4qfybmKbovkm6_rkoGCrMMCAI7ZUTTqzshh9qbmygbMUd5IOKd5wMjJAS6GTbfVNP9hJ3jH4gqeHlbSoe7JVqFzWZW4zKwWeatbw1_D3ojbzQIZU0d4mdrInIa9Ael50LhdFW6dbxq54So_1tTqF3obvwzIgjQRDPQrYVRclEcMZ8hHCgrZ3ucy3rmj40M8iUa7M2JGiEP8B3xq6fnPTCecgxlBinkFL7lBQfOX169If_qDnhyaQ3Dj4RQX7Vhms9PDzxDABRFTZPKkftYSUbaJKStYKIbGGZbl3m5hyakwsaHUjq6FdRVAfHagNvM1eT3VmtUVNe8exti7UXUwG1zQEIqBLl9kHB8SWLl53FIJr2ZdUq1CLYlcrb357n6mcdgRuRQwcFy.tqiCVvAQkSGiLQ.OGXeIXcFHfOM8kOZjFq9PzdaXfDxsY3XtPppmLbkNGeLexj_q0mio.ZEaNgs0VfJ8d43ylMZFufYKyq7w5ii2vtl2FB39bXX6rrzN4uMrbqa5UT7DYmjYzbHYxGmZvVAcgtkJi5R77iIHkT8JpkMdNSZvQ8YXoNbA9vK1ilGc.4uP_aha9ScXjG8T7Gy0gGI76.DA0.XKfqk03a6AtWuRoYEZCeWQUEtfxaf13TfXAqoIBTIqZ6_qCykQ96HgOi7r1zEfq8mz6SzoFlgZa8LjKfjVJi77yHuL_QdBJO5y8ruSgOEPWwH9T6.BcP4zzloajGH4uT9lyESUvyGAI93meT4cdoFk3W3TfHUPAQs7IXHGPDPh3TBa1LzadTqPcjyywHA4TdHndPB4oY0bkX4Mv.pvIvMQkAGQW.AP0j_4beilM8GlLAonO4OnvWHnWUFySezy2IgjsAVW3akhCuH4Ofr3xv5iq_z4j7KaVAjy3Vjhu1Lu91I4k_6_IL8myyRlHsbwf1up0WXq9xsfmAwx1xu9D0Z.pq_.rYl2nDwbDSKmW6WXKfRLtF6WBry9b6P3IGhIULcJkv42oI.dQ69QDU1ZCiIYXijhnEuChik.mTXcuSYRRl61_GrE_Hw3pa2hqXwKGhSryJ79z8LnEkvuT5yO79iXi0GH7Z7Ul0PrZfPNdoepjn.iYCdzNdmyPUdV9cy6gEBLSDaxTuenQ2bQkqOnPCkMlQWLYia1uFjKi97DSA_ag4nTfZcjI3YJYQYXPSMOOAVPNc9wnrmOwz",mdrd: "RARQc0J0geR27E3w0UBmnONaEw.1w5YB8sIwh.eGlyU-1739144141-1.2.1.1-20KbQlAhHrmBVlhugV6PtAsMjwiDf1o5rpMXXQ3dGXAO2J65ztIJICfwCiQbJwMlmF3UoalIyKdKOdlQiZymbaEhPk7QK_OMN1l1yjD6ky1Nb75Cmv27dXGRRdhsxgO1Cf6GxIEWFx0eXJoLHVxB9ZoOP0cUMnOp5fprIaY9yGXYsAOi79q7g5_9POt0yDS4s1F7wvLKyfjLlAGhVNAfo4Z7k2AtxHilzsiAiIkEvUH8Dz2qqm6s9dAXMdv2KTxqE5MJTpOJKFpIgxYm7DdFITfvUDhOzXVowZzPs1o5Cs0GCD0c_Sn3u.gAXHZBY6JykpXaKWFdthCzFhXZGyKxuiiBezm_aPdPkwUmQRgl0LJlS4dW0wM_e39g3Hf1O7jG2RMg6ElHoWj0sokO_5XLLkyQwKGlTsKpNma5WpRMKuHmqbgjC2Q8YU4hSbbJ65qGIAQLldZWYPtvh8k8Y6zy1hh7neiypZLycOmH7Xatc0E3X4XNJxPnkVRD5ZS1u9mwuA5ICMydmTL5z.QLs5sNR1UoY4gmgNVpKaWOI9HJv7gERU38_B7J4sBd0NgF.YKZKNH2ZGneYh.Dg0Qg7RGAqE4GV3K6x1gRG8t953NdIW.Mzi_6xEHjBKULE5Vw8uNT8ZZ9HT.962ULXcacfVQjGSsTf1KfnIoT7kES6UMsxYCeL7vR7c4lsJffJjzj2eKSF4xIxxy8iCA08ufsbuoYbEstjhbYDMJSz39jkaDDuWM47y3ATWSdSD.afaUX_vhXv0ropRlVm9zaDm9VNy63ety5WV.Bv0hx.rdJ4N_aFWzLGIDh1JCDPFP5xYbber2O7MSXIKd3gi_hJ3Ma_5yh9ocAQoK4BKqUWeJ8kYe38J4paNtusKt0VomK3Ya13vdv5CahXGa0fDc1JIO2JX7ByNNfH_msn16mwDKQZRqX7OhEZX3B8QhloukSPyV3EzDsn4Ku6idvBc_rVoVq2VZTdu9jVaz1_Qts1FnP7Uwp9UVtVOwuX2pJS3uZIB9WSb57I2kBPQoPlxfLi5vLu9YxDd9KrmXbaKF5AT8D_6DzcSPNGAloJ6DBxOkEgBB6G2wqJdi3j0UP5LKxe_EpudnHzjZFyaPQjd3hdn9uS7fFTNMcfC6USK9ml.mjQU3.q1l_rdud8pwduu0wbCAbrlmx9TsKYgHeNP5gKma.2KA7fbYzSkv.APwCJc9_BxeW0mSNuCmkcMAD8k0e7RjudcBImd1Bg5O6brF2ZKMhmQOLZPBa.wdK0_kB1ZFfWbQtdCVquyzKH4J34u_j89Iv.tsEDYOeDanKvKOWeYlu1rMJ6IuKk4QW6..MrA17vVnlquFXGLUe_.6SLZcynT8ESslTq112xjq0yDnbfCafa3PwAHtsXbLQlqP0YN37J0TXhuiXNPFcdB0JdhRUIXgJSnJBDoPEddFGOFDETVD9TDeMbWzuisIUe1nHT92DFKU7mfIYlqtzrnATgcwYoYr.C71tUSadUPgkTRYvyrI1Si.LjAwDCizvqCVhWijtF8qA_Ypubp2SbFur5lGGc50TzX0IM20ZUQGsFn3kXtJ2cK2MqvL_oVc9Ds0SEnav4Dci3a9fd6.iltCUurydjj7cTpxR2Sz7KCgSDAMmqOdEZ.S9Ge3oYyR.hNo2HGLgRLKSkoTLwPxP7Xa5XsTSLQcrlfUo1VxOKlNgXwNCAVbd8z12XczEgyau4lZqcfxqbM2UEoSrv1oRtilByEBWn3U6vvryxk8M_sIMHaxiaCS4grPYwWOT2BDUVGmEflrv6lJy02LhbSthpqluCEDnaroD3sZ0ao3DsPLnjRcx1VOIG4.p0pE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7ad645b4d81e8';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\/0741625938?__cf_chl_rt_tk=AwLOLhoW0UlfG3oNKioxT5CQRhtmI3y.wdjMCyoDGPE-1739144141-1.0.1.1-yu2AhjLIgFw7RY3E958xBMeUuKyz6bf6Yynq33062E8" + 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