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-239098578241.mit-edu.top/post/6850123974

  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-239098578241.mit-edu.top",cType: 'managed',cRay: '90f3a8a3ec87d640',cH: 'BZDhrFUy5JCBaXUqT_mVZf3.Df9JlO6u7oKbc87_vuI-1739102003-1.2.1.1-ZfRjrEop1nOi0lkZmwiOrsB1ef6g9i.Gbxd_e2Rj29XuoXza3ndr6_TldCphwx0o',cUPMDTk: "\/post\/6850123974?__cf_chl_tk=g5baYQYVbqpYWfy1RZVBF0P_evYWZ079e76FZGmrN3A-1739102003-1.0.1.1-EhDH2iH6An1heYkLoWMmQRoxiB52g7kAsiqqeONNTic",cFPWv: 'g',cITimeS: '1739102003',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6850123974?__cf_chl_f_tk=g5baYQYVbqpYWfy1RZVBF0P_evYWZ079e76FZGmrN3A-1739102003-1.0.1.1-EhDH2iH6An1heYkLoWMmQRoxiB52g7kAsiqqeONNTic",md: "hn07CUvmI2PKjfbKNq3CLLzb4glV68zziSFfnv8iEdo-1739102003-1.2.1.1-.b7cqQoQgszPcdAh1.2yGZ5OY5c4XZ9AjhjuJ3.hA.KuRnw9UfTX0NRqwfq.TjhtLLxQGnDc2eneuH5E2nWby7knFAHaPbXNUsQN7nlGjQtGlb.Syj7kvfuETlHXdecasBJBD7EMhG8RCzUZMsgqkA18nBn9vmIT7doT9p.w004FRBv297lXNMi4W.O1ANua_pi_xwTB3wpC3WxiqTV9FQUrfLuYfG1iRI4Qj1eSj_fiypz_tKnn_IEQZOAPWhnCewT93wlkp4sDiKLd0xzxAVWXbTToael7T8W9GaC0Xp2LYl2.9oEH1qEMnXV8wj08dyhdfvG5E0PK9qau8q2WqPaaN_D7re8zWBjKH7JPYLJYznAfOxjrLX.872EgXSqB2xfquLIBtOO52YIQ.K8F7wNUjx5KjBbwsUsDXayaL1lrd0Ubm1J86CzaE.EoylwMhbhfT8qFWLGqcTUv6W_FjeXLM91Gc4opyMP9f6ZZgEmIKpE7AhI2q4l.jiSe.D2OS8oZ2IXQqkxRSqdq8c691AINab5IXIy86n8ENXX8BpYBLsQSLwZwHwLOVqhWmIj0POwGFcFo7o_geOK7.Z6jvGMiL2pftq1yx6SFaF2uxUvDxCQpy_a7ldlRS_LR4B27ak.L_IO4bmNVt7BuniAO8BNQTMEKSPWspnFlBK7UvAH0XAANLK2IjxmYSjkoyx7KpSKfTd9HiwPxVDssdC6nUQ5q6eJAsRlkrd8bSqFI5t8uEeUD3Be7E6zi0P.eXQVbqWrNbPO6r.NQjjZrvxu7RgZVmdfzwSJQ6IZuPSxtN2YArATBw7SkgSan5pQkf3TWyX8zVmBIARtE86gld2BTZyuxLSvllTNujmUcHhJ8MkmxQIYZyCg.AyL5ytPznMjfBYOfVfl.0S6Qv8tSEPb.NCQraOH0M7IuZ5G1n4ZJfIfFJg9UjhYLGKRPO6ZDzRhLEaTYZvUKs3qGlqKMRNbOgapLfTzPjRZMAzeJkdtkRK7mn3L_1uai.pW_JJ7oxvPDgXGHIJeDTOxV1zvXjRtDTc.ojO0amu1Wy5Os4Mvbwzcd8MmYZYnJ2_lIG5kKUY8LZt1ZJds_IbWyhTs2In7pHcjnOCpmYXjr_osl6nAFerVRVJl377aa5.ioNBOjXYfe1BVnd.TproDsX6cr_xyNytl_RdmD0PNZC.036pVHg8CLOyD7S7_QqdjWHBAXS5z37_mMt7qMcBwCCi.rB9_qRDtzmBwhwFl8Lm5UxppiI4sWAb7rkGfoW3heCH3Dm1vzMEfJdnPZQULdpZwYlseMq4RvAONJnmzBhZ33DbNHVbC0ut0MOLgFFv.FRQ6eSpgqo00sUmICzMmh5EjebkHtlvEy9MeS0sVPJbG6fYd8p0ocy8VduJr_u8pRtVnmomYXTErZzo2asna.o8lzzLu2K6A_Ce1Y54TdBOyIETXYhYhViVes5xraY7JpL0ZkcAx73Oa4WeOX67HqUFx6QBI.Ljgzj5OEbypkc40tAV_nVp.STa2TDrMt0DlxqKKnLizU7UKFY4btXQfxrJG6T7hwngtnqiJxt.GfOhGngII.Y9zUpzzye8jAfSGgEElu4xWtdxXZe.HGqKHouZaQcRwWyfEDHmtZDmzjHxdFyBI8gLQAxu6DA.XfU7lx7dcLgq0ic4M6eZu.qa03neqTMOywjbiaw8h4B__YE6DqSgErdVmH9EiQo9JtxdaNuSzsLpcEF3yvv_rYOshuB14yIbzt1H0.CeIh5nfFJ8WE4YJZKHeqRJ0w9LtQGPTQe4BDUu6_5reiiSn_S7goyrOXLZBVgUEW9xHbPHPz2z99K8oqhEYAIbX3dGn5L_FcRSQBaErLSNd7zQXJMuRmTTiTuZnqkv9Xk4X3l0BTNp15WhiHS21Qts9fxUKUyiEmsqNLwNhClNB5beY9Kqd.sw4Cbn1_epWrnMtEC1mn0mv2uYBtnJRlb3ogd3143U1Gzkiaz9S95SCL6k5DE.MqWNA5JvdjsJUzQN_zLv4NM502N3tWoizxzOZe5YJdR.XipNHoD3IqeX.4ogjYFV8yf7lu12eQQNMufls3LQBqM_FOk31RCQVkAxx4znYUe_G2GVqHvH0_DaEUvODdrp8lDdctn5mJ.wECtKLnvR5Gb80kKjka1S664Ka.eubtnqAXRURjdkv2VNb0FHP4GV1l2_wWBv6NAClkGwcgavJSAwlHnZtMuMY7tPyJ5MtLvxY7BZkRM2qL",mdrd: "1DfUTerZRo7pmlQ28JY8WYcQmr1reKf9El0XHfmdMQU-1739102003-1.2.1.1-zn4eYsEvHvW.hVCeyQA_MBwABRDa4285eItyOMJ_5.qQimUwuPMgObW00OEzJ8DuCsbd69XPJkRF_nDUreB._6QgFhIqfkFJUqabjpotErAjUlFDCXmhCqKjUuCb7j0c.rGvPwEuCX4euNMkZvmpSuDcbcuUzuNGd1lOyp63ePw12P0rYFN5dMyZKi2FaYHdfDwE.z6gwSlECmoaFhF_8IKba_DFw0httZG1uSNIgOtBn2RtktW4bxnM4kYgiyJREQKyj2cec4sPGedlTw48HAgGY2HmFOCdUJWKY.nS7g1bGEtyvrn0FQxHKnnoPgnWZpHUJxyZwP56qnsTM1XYy7y8.DrQa8V11Fni4mN.GNrt0lpOhqkINp6FlhmC1DcYChJRISX3OFQZF2EVGaK70qQJGPSDL4v8RFxY2ww7ZTBBEqFYbJPK6.cWk1e2c7AY.3tKR1TDr3Z2KPyda7F.Y6j.q78Ab0yEVgsErLN5wHdQkbYnbL8O3f_F2tEIytOpNGlwSu6E3D8PRerRpbX0.9Pugyuk3nn1Z8SUMxLOtclt8D72oEIUvJ.aBlI0llderJZLWcwCfJnJxQ8eHBHXmL4_P.w6BblpS04kE4M6sGyYH3TaBaw10lLHCOuLAql9XzHLRPTqzoZcw.HqyjIfYiz55gDo7jmUh2.5Z509FtfJzr8u2RCI9xNEwC2naD5ZeeEasBJQBO3HGXjwrksgcC0PCn7cQGqP.NyvuSfH_uEvRCawReGhheuJLI9IZCy7.cXM1BvxyU4oSQGbfBVJH1GGDxwbjxNpxnIZVpdlhBwmXmpt0EBu7xErEvsLLd9XMSkAIHCwPw6pFj3p0f_5xoCaBR.J75RTliZdTEuaEj.IjsL.lRu4dmhj6ntNzWnVD8BoXALSi35zinzfIPX80LBoCncQY52gj897bn.FiQrSKaUzjEEsvMs8ago8RQGUNJ3eh16nkTcnKrZ9N1qjU7loCZYVRU4VA8Ti8shURhOnrVVHFVlZiGH3X6mNI2yCbVAqN8i5w2uzuxeOHUcQ2pmnK3aB2y1m0louQNFV1RxE..nKkTy95fC9Jhc1_i3rjMNs7YupYRKl0sdp3SoPJL0uNrVsm.CX2x2uPTsXMkPfWjRHGOUPWt_YEBUxVlUuwNOpTuiq89YaJVvrAPL7JF5_pz3NEvmcoILkuuvKkSZ2uVnyNwpKPCIhMTDWCWgl54ZF4IDjRf4Fd80mXO2W_vRP_eHbJZf9QKZVFkSYNRm3gmQ2IVVcnR5VjRSk17C8w4eTapK_dRrEwHT1pG42BY1mlwhl1N9bMCwqSG0CmKKPhAh0Ib08gpXELk7RsPFdLKVHnUEmbMMmEZG5qClG4dMz1J6QTyMjfvsoBGgsMv0o_dEUCrsXenXXkMrMHeAXC9TzRaiRjVLmHwgATsiOJBTlwORErVzPIDVbFWcAw0BgtseBukR4n0X825hy3FyMZISoYbmhTw557gjAWuIXqabMyybQWr6z6TUWnEZLQxB6EzhOvIsFKD8dgXsF5mESzLHDnRYcZy9vCTw.TjUtPuopIr6kpMFGJDR.rUiIJQ74OZ1QPdjOKUJZFBf43uio4irxSq_d22LHhrT3aNIcE7_MsI2CqkBChLVhsEMhRuBTKv7rYOPKZP.f7V7jgiZ3DeA4iToVmuqzwLRaQMYIs_Bzp7QODauqqwEenTi6Y5mIXakfe1L17pDMiJvMoyEfmRCylkZKnrAKUTb2ZWYXj0kt.5L7JDDnMNSw1kSQGII7O8daa211wiswsAUwiqzxTuNwD0PJe5ZQMdhVebrCiA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3a8a3ec87d640';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\/6850123974?__cf_chl_rt_tk=g5baYQYVbqpYWfy1RZVBF0P_evYWZ079e76FZGmrN3A-1739102003-1.0.1.1-EhDH2iH6An1heYkLoWMmQRoxiB52g7kAsiqqeONNTic" + 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