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-aff4psspp.mit-edu.top/post/5864297301

  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-aff4psspp.mit-edu.top",cType: 'managed',cRay: '90f4c0830e08d6d5',cH: '7yoBXu094xpAXQkeu9KAjnsPIN51FOuAdQhpvf130LE-1739113467-1.2.1.1-g3Pe_dmzSnEHY3zFPLJKdzFYMEd9mUt8lQit7RQElZ8d8reXC6IQsPQVpVz8K8k1',cUPMDTk: "\/post\/5864297301?__cf_chl_tk=yllhUJ8EpDhJVHNjccoeZ7NQCc_lfUrq_uMF.x6IcLU-1739113467-1.0.1.1-.sB7pJLzw86yzgTe8umyaCG007DYQRECHEgLKkDQu5E",cFPWv: 'g',cITimeS: '1739113467',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5864297301?__cf_chl_f_tk=yllhUJ8EpDhJVHNjccoeZ7NQCc_lfUrq_uMF.x6IcLU-1739113467-1.0.1.1-.sB7pJLzw86yzgTe8umyaCG007DYQRECHEgLKkDQu5E",md: "2sNyOrC3ZMkuYalhJHBsxmG2ME_sSIi5kbfI7Axkk1M-1739113467-1.2.1.1-ZTmBMh2OmJSHduA.ixUOjaEuAQHPipx14o3dkMbrUUqTrIwXr9PJREjklo985BokrUsREAfZf3rYSGujyYW4Ygn8FkiGSlZt8W4BG69XY.iITuajySFQNUqUYpPciisTOX9Ge8pGbmahTarBzfR67gOgSjYNOTTTibjwixlvl_RU1cAxvIWqqu2s824R_vYavBh7UZDJT13_2Pr0Gbb6Ispg1gget3u7UYSQvim9rVXquEyzWNw_NHHwl2n7Yp_S1lkb4fxF9jUqwarL0xj_Pyy4fbTG92ZGapjZsgt1N_DEraIh55dzYHTQpgtcPSajsWd.RN2OAjV7u5Clt1YMTxnVSU7ntJTNxD0attH40X5A8UnWaA4B5GERqYirwaJ1bN1GNXv3QXS16f4oPHLDEykxuuYa8RdgwH7Y3bRFGRoqg6f9kDjz6UP3rywmRbLqlW78s6d9WiwiTAMMUbnXUOtEyoUJtKn89dTSRfRtS9HTxgD5ypk8gNwJJwuQaS62I.h.R_GxsKRkbKVgT8ne6ISwcJjvPfzXuWE2_e6t8cK7dD4o5GAlczSM9tMvD9K2AglS0HSZLI2pPPExbEv3l4XcTbI1UCj5mQbFNn9.JPnR8H5Z0Hqo380_JkTr8H7Ex8ynn1l4SSzLkPxP2ZkzaR5ZvlvDombO0PwErCyeQ6DxHSeKI4iI.J2T7PePz_bit.0hcndlPjjrs5FsREzUK4ZBArbJyHeKQ8z_g5ZXOl02sUjTyDSBVlj61Od_WVAb9psMCPvPARyXaqjFm9Hk21.9BVCROOezoXEcCWJvuLHr66mOTqddeTU1L2Utuh5JVObWdnoH0NZ0GcGTPo.8dj0Xnhb4IfB7MEIDrvEhlcAV1oEBe_rXgJTgKiS_nDS6H3R.2c1bAk6m.tKBfOpnyKzdznufHnnoZUvU.NmwokCp2WdKFJpuJDIJekFPdk7b1g33czRi70Kxodv7AA8FvCRhlRDfETE2FVyZcb6eSgBY3yaVdk3atJYDnrhMwpPVhWL1k7jOBZYawG_pOMIkEhx1x9cHypeI1fob.9NhN79xdDfm.ehG.JbrbtNBi2hrb_cZis_YhFAnQ9jD8b21aoNva2Tv5e5ZFpIyWDFaWLyhj3M5HxBjdcqfcNYp7i.10RX2rspBbIwrY1PecaC6orm98FFCC3YLiO6tzhlMnXuXxtLU7KZyfUspLDIVIuN1G5loz8Ebkx65wDsNv.Ljd7emmwL0zz2wCZhOlhWd5rYb5bR.y8WViiI2Hibes9Q4uY.I6pHfmQV8PjNuStzQo7xOfkGVDv7vntvCim.Ft6jc44CgHKBrqR86cSAVnC9.rhcEPX0ClD45r5vSCjhmhWn27xtfnQCtHa2gsUnMTkJl.5SfYmvWxB2FCyWcAvkrzNymEn5fGdHw8kgcFZmZ_2pApi60ydJqWs5v6glEwR6371NVEaGsWywPqkWVYkFOzGjGupC4wvrCrIErvJPbqqcLi3_tYNS7vniFFOV4q7ojPrwVLF1zil234oRdQv1ENRQTWw_fG4L8k8txyaCHbE_ISSno3zbRo7zLs7KL6tc5KH8CA7PxU7fvrN.pV9MjHmYr_3TwkuY.RwlHvFnzZgSGveE_HtwgJAhQeqcxszF2s905XI28qfVsW6slF98F.xRaJZbuU.zF.W7KTLZXQMkyAEuoaSwNKmSJDv5naeXyE0sVKH8R3HRWLUtR.qqVrKp95XpgQ0IOKBB.ZUu9ExYgFdHwz53ZgWOXXaUACmGwyIT9llJ9xONNXVnuaUuJyoB9uejA4FTwKJV_mgdNaCsAZkmAIgkUKBFxYLfZBv_ffIhrL9dn2ed.zfulYwHIUbPpkAv4dbxoxDVX6UFlibUbax_0ByrhVaVIdacasUuN2tlsCntkXC7Dui_lne0x2v31ZswbcMqcJo2fr2B1FdaFuwbbIlPuoyM_rNYTkFXDjvErZkjD4nrQYgY3H35SBCDjsGQnH9NsR2Wz0FZ2lvDQ2BxV.nPfPeveL3yxp1dRjOF61nVoQQerBsCybNUf.utwVh0FaJ4LGmdUDjL5tx2MgrsAe_GwkqASg3bUfcMGXdig5mi6I4u.Gfvh9rY6ipqm7jnPvMDEdqz.xAyoF_il85UkaraF2hdqB28BKL66cA4oon5jb3MN9KIxr9osliztzFVC6VE8Q8EWtQLnryi5e0LoQ5951Y6W7.IuUa.ZNaPYJZ1gqp.jwv011CLI",mdrd: "3i2njeBRdrmr4wbeZ2X1f8oWFafKpGlANni0rMbauRA-1739113467-1.2.1.1-yjVpibtVePNZqbd.i34831ObM9_J.HQDEfdrnA8r_zKwwnhPpyRed_H1fp4LA4YUdFjBNCBlFKldkeuY3Ix0WAktwvW9rxsLPz5LTpE14FYSxFte2hq2j.B.I9NyoGJd8j11tPy4zQubRp9Z1hrFEo0OXP5jvKokT7LF2uD_HElvCxbkMEtaa3uD_CkkD8hv0EG_DFXTVi4hYr0maZW22XkeW6G23YzsfvD3FCqE.LarNyhgwX.W0vEv1A1guECn0oDCDWeijVSN8NV1.cW0mAnsLX0Z4fxVRw48kT6KGOH9.ljMYmkkhbaDsKaTlDoNpZsDX4Dbgrpb5X7r9qCT0.oOkosIndE1cHUMXaZCdrGs8MIWypCgZLoBKAzNYgK2yhZHgU1DbC5ko9M4I0ebQVPJwmW8cveemqTSGdkL9dkEy_4pZ1XeBonxzbgfvRMZOKyC.cmpxuaRxQfe8Q0vOC_SIeqj4sgwXI_yPDjDjRqaIoEw6OZnMYUa4mPms_x1o72mpS6pTu3lnTFdmBRQZ9_lWOYz3v6MOSGzOS0S0D5_yx9GW1BJLuzY6Pj6b9L7Tbin0fM1Rzbktsp18eiM8.Q6AA7njqaEuBWnIQJDsJnpJQ5bPV.0k2pz10J8OouE7ZENlfdbVxk9rc2sXArwlaj80dvxziRa8XeahiQjJyXcau5VxjIz7yPRSX4tPI2jgfDl7Hy7lAEMFIcq9pKMSt_T89X0e6Oc.ZNlikevN_O6uRIBYKByqVPqwcenBypL34k6Sa4_UIru5L6G_qZpdy_P1Leqw73VrOm3wJFvQl5ZEoMWM2oEdLnedY2_EBcSoomrfpb_iBCMpL7DUmZ5O.uk2DzJKa2oV30MJs9FMETyrCIlEALWQPgalXchCdtNIIvNAVC3PTOfh4cMWJfNSra0YM8fdNHpWX6M885pMG.jwoFg2RFIg0kqBpE_6EQGyJNqVGc2cTb5q3fHZrp.crgYqesLIc19Z1SLOgeTqYfuvLVkxVlHpXh_rBwMOFiagYifs43dTUONh3R9rrmcMp6hkU9C2DMtbSHVyEPMBndihSGCnogirAq14FVLxuR1tjlH.hcMexDJXeq_emB4eW1HLkAiAL3MthckHoKsu.cz9etN6sZUimo9bHoV6NoWSnY1OB7Z9wRJP9eyAM3bNVa1Sl9Cr4UJr.gDH.PPh_sAndtnQdeEn6ElDf0q0csLT9AvgzrIhXMW3eXCnYCWFTYc7wgojONSmMOljorOJJy.n_AUTU5YQON39ZxXET_fQbx2Iu3xMYD7tYnacE2s1ZJ2itW3b5.JzedAPRu8CdRRh.esU6LL3mVHFpIuFY5L.Rqy7oSbmoY6YqVBNNUBmFrEb7y1Da.AK_5KjnK0tAz90Ljeo7XdN7Z5tT0Iid4RuqPsFLq04tHKUJ25EcSryfDUrfJ.PLMU4FvUeFWPcJIiQzFfKi6xJQv9NYIZIl.8T81fvZadOrImI7XN24Y1QcE7M_PPBFkYSkROejwnnWhS6SkvViZ9VBfb9atz4DlDeJlQ4CMi28...87dryWZnwnEIrkmkaslnphsLx4T8aujb7fVCcKaiIn4RkLDLZV4EFjJRdS2uCjk6TAV2e5AdCHvIPNeQltOM.YR3kF_HAYr73CWK_otjHm0pZgMTRsPghv7kXtyNLzC1ZqeZ_tsNTFMR8Y0TFRTU5e_MrWGpu1QiVDD58E6mAE3H.RW_Kd11l33IkYuUbofRYxqBJAWmXpyGmE2Jkk70wGdybuLWbqzia8NT5baApk9NycSc8xXBvKJrERxIW57Klbe5jUb_hWFVkERhGi.9fjmxzuSMjg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f4c0830e08d6d5';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\/5864297301?__cf_chl_rt_tk=yllhUJ8EpDhJVHNjccoeZ7NQCc_lfUrq_uMF.x6IcLU-1739113467-1.0.1.1-.sB7pJLzw86yzgTe8umyaCG007DYQRECHEgLKkDQu5E" + 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