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-affaes6e2.mit-edu.top/post/5704813296

  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-affaes6e2.mit-edu.top",cType: 'managed',cRay: '91065a3879d82d0b',cH: '2yEsMm6uTRSiXQ4eW.4L6APFT.Qq8rfHzsVzxyneFqk-1739298021-1.2.1.1-DyFbcRU..83E9PEDZEXhD4ZVhxoxCvWEkxOyhiyLNYcO6U3AEBw3RR60kxaYvAsZ',cUPMDTk: "\/post\/5704813296?__cf_chl_tk=L.Nj4j68edtj7sI1KMWCTUwzUS39sMocJ9FatnTuqgQ-1739298021-1.0.1.1-wdqk8Wmoyp6GMAkBNomaKuWE0itYOp1yLVw2HZ2NfrY",cFPWv: 'g',cITimeS: '1739298021',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5704813296?__cf_chl_f_tk=L.Nj4j68edtj7sI1KMWCTUwzUS39sMocJ9FatnTuqgQ-1739298021-1.0.1.1-wdqk8Wmoyp6GMAkBNomaKuWE0itYOp1yLVw2HZ2NfrY",md: "NxbJmI8qj71lJ2mVcDt5.KU59qlK8qLT5xzcgFkYXas-1739298021-1.2.1.1-odFAhNUYdc5MSvvO4RCICA9mZj9PP0O5ksrvi5nfyysHlD9r.DYPqC4MEaOkJVejESa1jmocTFBt70WzIRTxpKfEvEpTVS5Ax6WHuUwtukXuOksA.ek54iXqw36pa6IGdcouSAvU.ptzN8bwwoZ19wz3EgFn04oHpCZ2V4bMsrtAOQBMnZ1OTu4Cg_Uct3FjjnzPgF0vzUztFTr21wX6Gfada70MRbUH8SZU0LvLcuY1FGRT74CdU1CZ7hNDASF8EE6P.7pPe5hMiBOi8iOwtE3BlTCzOhY1oTSv.dkK_oFmxQ5DTl1BL6hYjMjBKuoFr7diIRwpCfqVblvWw_ZjmMFSUPzNz9ymu6v1m_x9z8U0KBENTixv97iswirNSsVlzm.BpufN4WD5Php.XwJtSavCpJnkvy2ugI2XsJcj1BDDKoR9J2aEzBa.4y3zVnMeTWfPnFiFy5untek7Vwd_F3pVUDNyzVnEaLOsYGLMeY8TwMfwY7xJXfhPYFwvmperNra9D.tVM2LSmLjOuBaEdywdLfGDR6rXwDEdVLDnAaIGieVzwgiru.0ELWUlvas12lyYEz6ysVcVCmzgujwFTgELYQ3u_rEmdOzyrUSsyCkiuZ_ngmQhE01EeMT0MYCmt1N2EiB8grKGsT7BhxbPFDkGWZWesXPP.k3sp_GtqrV6Pb8PPWqh9LfUW80wPKZNoyps9guRtXeVPCHp40xP6Jn4RbGl9A1dqnBbd9iXUIh.rPR42zs16izLrUH76Onv7UkN7S.Q.RRZp1.UUc6uG9LiTrGCFdOZ8oaSq.j04TZkb3D013KxIgDIDucL.nBfA4mtoHaucXaA2aacmJoXcjX87xLTLQG76SywRh28_1dIQ_OI86PviZuY0ml4r0LBlYZUwp5z2Nv8gZSXKOWRIIwhLSzMX9O.gLPMG5unw_Y29aYdcxi5aD4rVzCzmeQDDQ7pMM5HWVkpNQ0z0QuYHj34P6lArCGItoOWuqPo0cKzsEBVitNXWeiZZvaEtlZAUttdwLQFkFIFVnDQMd79azGsDgA.V5BiLZVCB8IJfR6hsc2J6fzCqU6wZx6u60NSGyr7jRIhPxsNf7mnphrA7O_kGGx8SeajYBioMMkH.H4kT0mq_VNqKPafKMLVmq_JfuHFxGRpMuuKSNYocK1ECJNpec2AwVPVhLhNlNlu24T_Tm4.ieUagYiRte7VKGkrwVdUdDi6Ku2BjevpUuKdr77yP3_NdQKjV.9LOgoKxVn5FZrHSFdiTs3aNRTVmntKEPpD48vkRHi4XG3wLa5yDEV083PsNmSBZNccs.igJn_e8kTEJ9yxIHL5sRf2cDASXjS9no9BV2E5Qpfhf2bGxC3fP3G2F3dBOxPspg4kvMQDzma0NHR5pKqo_2SnE_.H.1qHhuZK6LBhPUNaurs8L_v0.lnz2j05tRCDqfc70dV.8n7P9vRC4ZAR6_qsYAatnMaSphHHNtW9k7lodqZgu8dEYOp0RI2ukdv2BL3HV6XvZl5wCyjRoC6_7dIUR2V8strmregObh1MEuUMF3_VfeSLACVFe9dkmNRbI4xXzqgPx1JBuzK4kMGVP33VJMl_tmgKhoKguUGOpWAsmRqo2y4eobyBHe420COmk9kWwB742iJ5PyziQiwxY.bF5CbVoz6lMhDsvXmWADp94BAFjBwIaK5F9__o1MkrOSffyvyjyFczGGWAZLXpBWmdlDAh29aJdO7Tlahg2BItMlOy1GKT68_7ZYuqRvPIPEVr0UtsFvoJOJlv39DzfkUK9gr.YytgPSQCuD0C8eC_vrkgUkE8d9H60zrUYvR06cq_QhbHy3sIDbyGBJZhBzFch_5aHDjINzptag.7RKsZ2dQoW5eDYlh7tK0pjak9njiGANa_l1DjFfF.1nMrdKlfdq4q0qP7XkkzOTAZyHA0w9QnDLp9ILPaa43PYSN._wpxBl5Y8Q4TR.3lkC7aK45qTunv4EfE6v.mcVtdO3xnrMO.twxQFWqwrIefsGZQr4R696bKu_8mlYs37v0u16bER.VtUnnTUnJ130UFtaAefCr5gKUn2WVuxRe4Jc4Ip.JRYUV93.AoLzfR40nz0hjpVmZ3FU4UxyL.Q.SsRGWJQ2jj5vAHrLTh86.XUali0ME_ySXPtYqaq88Qx2MhnOnxyC5.2oLhKI5jePoPOdNhm1S8GUnf6Zzo.SKFyoOvmWtCeMYdjAqrlSsrPhWrW.5v3t7p",mdrd: "_4Nul2XibqjNbe7KcIToT4Tg4Km1jE1RUj93IbwTIvU-1739298021-1.2.1.1-8RVuen7MrDeT.xkk_aaJM6bDwz9686lh5aJ_8De0yS4rUV7IFhKHcJoWPHKOACRiQHSpzJA.RiYEU4F2qjNpqnbsEosxlskweMnsDEl1SO0z84.vecWmQPelLhvTv6Avd4HEgefDcJL3E8wuMSby4PRApBHkLBEtChOKeAxDR7kqcjjKpT.aMakM_81EQMGbaqWq.qNT6hXqeTZPQ57Fso9CfbFZETbHUlESXrDHeS7OYKTEMzkmX0dKD2Xdw.NyBEQxkVX4a5I81ENAniZAV_QSxzHiaxcKHSKwAEL4LOBrs7ScMy.EOhqqEM4sd4pIUHncejHVCWXsiJwg7HbAEnfvGCh72xL8xCXYHgHwSX8MGHZJxG0qzppey0Jsw3AZN_ZUG.ea3s8hETxFGQD289KQSzeUoNZhfNJPsJpAvFzvDJ7LokNRaFqq6CLXpS9uXWbzitgpV.MY98CKUdgzqMgDOVLVcZlDbxlynpGIC2ljJdidw8Gsc9TEMnlFZqJOeO8zhmFOFt47uicr6PC15Gw1Eetvyo.wUKMFiDkGvAGv7w9o8qhDZDz8aUDjGvBhbpPEbQPYzRRnxQ4q1fZuIyDo62SdtGcIHngUSXRHfcJKVhv_H5m7HfgUFM.VfL_JMeU42WHSeCkVOCY_iPuETN2ZT5mcHhkc3c407ygYV0tmCGIOjnqkjqfDgFxvPmR9YJ5IvQP_MFi56QS1dDXCcbZmHTduSca5aheTx4fRCnA7sA.PRZRY5rtRlY1EZULdfrslv8ids1KZkVxZEjQIH_ntMXEoPAdZ7.K2oMKWb0y6yZJriRYGSwNbf9vXTYqzDxFDeGKCI1SCLPOgo0yNScD3s5i1SYT70hZyQNnoxuL1BM88soqS8FaFMbLE.qnA2kVB4MdIzJeqtU4dxwFQECkzcEBLM6CWrHISgcCshihP3wb6swc5Z9R2zSmSqde7uTJjFBtUSyahNmxqZ2Uk6iDvRJ72I.tjHt.6aGLVCTd_10S8729hjRqsDAI_obOoG_lgoJkQbKOzo8l6FE_fypBJT_dt0MwJ.Q.3SGg4S2AwpMinijxDEP8rKAxSTFuqaNCxuRkZ8L6FbwojmmLwUU3e0EuvgdKK6h365Wet1zVzeI1fbhMuiSYvNEZAzAJVSfHDZDOIYSax816_YKGeRON9D6KxkBFIGmIIj10jjGWODef1N3BCD1I9T1U.oFxxELMOoTDvGKsl_D69JMlPpgYLzNnRJCqwVPnLzGrvkh4vGR7NjHEEGJ3XlHJNpER07pnCs5elcEYVDMpuKeq8fUhWrfX.m5lcXXtolM.hCeY6W9SipFS0uMtQfL2RJn.sR7I6FfsPX6wUm9hlhjvUftpzsSEBQSQJ1GuNWCTVtLigO7JoyNmwDyWnLhU.3WIOWMkajpC6Fd4XAsBhLRGej.j13kRJcAunOMDNjWOc4dHVbs4gt6zA0MwN7ePRE6W9zzRV9UcKrfS5uYsifBvC.lKW_d_75oEkCcvm4eMBs.lqn8yOsIDMHzXwRyl7I7WwP1UpLZoHmtIXw2M4rIo5XsHJp.anTuqUbCJ5UdDGFyUjbjF6wwJXJw6pE8WzD3Dx2PhT9m1XuPxwpwIVL4iptliazADKhlj7TDrRS4SjsyKCa.bS25k7.QgmCIh.P9HSYFEyEwo0L9PEuxmnSPW7CpQ45E6bb7U22.cqzbvmJ1SoHp1ojtMezGuHcQfSUlAwhSrlCMnBkRRywBLHY7X_llynWH0yQrCmtX7l5IHHrDcHU80RIczLUXX1hQ5NVHW2.y1TZ8U567jYtWZMc47HWA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91065a3879d82d0b';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\/5704813296?__cf_chl_rt_tk=L.Nj4j68edtj7sI1KMWCTUwzUS39sMocJ9FatnTuqgQ-1739298021-1.0.1.1-wdqk8Wmoyp6GMAkBNomaKuWE0itYOp1yLVw2HZ2NfrY" + 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