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-aff9escox.mit-edu.top/post/6095843127

  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-aff9escox.mit-edu.top",cType: 'managed',cRay: '911057c348106911',cH: '9G8lhXBlnu4hXSLLC_CS7RUazLmCRcX.CC.aNtv.NQo-1739402778-1.2.1.1-JaXOddbvQE8ZYfyMHnHyPtBkC8j9nl.g3MMkPA.FDDo35ltY9Y_f1apj1R4eFKqh',cUPMDTk: "\/post\/6095843127?__cf_chl_tk=.khmiKwx.wKN.bxm6apFw3B9Pntl52I8rrq1Iuwywhg-1739402778-1.0.1.1-nj2xjkaVYzAHuZ4HiDHRDG8qsq4OQCNz5SJ.yKT2t.A",cFPWv: 'b',cITimeS: '1739402778',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6095843127?__cf_chl_f_tk=.khmiKwx.wKN.bxm6apFw3B9Pntl52I8rrq1Iuwywhg-1739402778-1.0.1.1-nj2xjkaVYzAHuZ4HiDHRDG8qsq4OQCNz5SJ.yKT2t.A",md: "DiOv_Ejvn1MHlRB78c903BTaeRhGPhb8zh9_Ryjk9.o-1739402778-1.2.1.1-xqpAyialnJpxvYlmd6rcYl6j.1dWqFxgcNUEXBocMst9LKhc4DTUb_DgInkRXrz2M0IBZJ3D00yFc0JZYM6Dz5swX8t.B9W9ax9NfzI5Ln._kdiPFqYghXDz5EGXF2vQIVdvwZqabQkSicPqdaOh_UYQQtE8htcn5_3HxJAJhHClaUsI_xjXXoYmqD7RtI3yFQUfZKY0rYUzxDqGHqjTx.k6R6vqwcefHk4U9YTm0800qcjBRMNkYm6TxlMY09bp1u42pitsaTgnBghR67WSO_UfXiQwAR1q0JDlcXZaP1ncxMvu1_sPIfYeCUODJExYbZQqg4juJ7s_IhSzJSgugk2Wd0lnjMRFAROk7LFcbnDKt3ainm0aXE3WH9oQ4N4fSuHfBnPVDtNujEAFwDlJtNx.o4.VLmb5tw1Ed9_iUTmEfJCukEczUgprG1tuPPtANviAj8R.VIuOfkuEnHUJlggiGelc6MoLRANTLU6mj1FoJb0Hg36BxJA8xCECQBwianH7uI1RHk5AqJ_iM0wMXEAhOL..NrXpf969iWv6ujzDBhOwg8ScQVnRIHRTkeRK3YDajJsAQoucEhK.aF8770QoTAbwKCXRzSUHGw0kQq9e1HGgOk0aqbwMbSgD5Pe3BMj8w4iqoBiSAXHI7esZG_hISghYfgoifHO9seCDjuPWiGP_KTGeTgj7bng8I_BjMnpkeJGkRljnJBSGQu5Ya1HL4m8OVwg7H02f4Xm_oFa.pX4pXyN7C02SDdWjUyt5ZmZZz6bNFKV3p5uE.sF7ulYTx8F1y8h.PG6V8vC6_KHGTgzcs5cahpv0HqUu8iOHKQD0ASwmqC6M._CSos8Hy0iAxPkwfeh.VrumWELhbMG.jGZ5BuYrzQFIgEJFn3DUZ.WievwsX8wfQYOyKCYiI3a6g8Tquylj6Y_4Te8AiQknr6JcI79OYNGg9CnhL_qiHcEfhCe.XsWOrbybmnFtfKCyW3mes8qbkTPOJ5umwSFKqZ8UtUbRtPyRbZB3GZONkPabOKbq05k0p9wNKEVR9mRcpZI5XW1ECtmWGYbFYfHk38BdJJEv9jfEHM1uUpG6lKH2kxBg.AkDBCvUU7AayqVz6C_.Smzwt6G68ZA_7vGJMisXxvLkD82kVi4OxQkrbVCRwLw9CwO5GPmqCcL_g7K2qyLGN3QspmTwCTGPIZcILkap6t65A_Zk7_r1qJsyUx1D14LoPoJjx3EsWkBH7JisL4582ljv3B46bg8tKPLpTaxiw.DmPHUWxVOebOqoEmfcpzxcrJvF7x0LgKt4Vz.sILOtnu5YCITLwPe_TsyULVdQJRBMZhurc1BpDnaZK6glspXX2nKcmC99dvalMXytzJUKLejflqoCF9FDyBGoe5btlois5IiK_71W.O3hslzVnjK9gVbNOaaU.MoHSqRwhiLC11RXx9ngBzmxJWgbV5MBbYofAJWl59hSpHkxPdH8PKhIqTIKKLzHb0JAE2XAc.uuz8jlXhIMqXyePSqUvQPdbUEHw4skNvubec9oOi5FYu.JPvblkMO8iXljB57.xdHmiB1LtmX6XsF3LUPnu.r_y6wH0zgoMd8wAS_NmuZW5gYhev0ui.uIUspkMClO2WPNqDiYGbTYbHlP7v.Y1YoA7CenEM2nJ80rYAygLahnIlb5Gaaq3K6iD3_j3Gszthlc72rxjSL3ONnddDjbWgWQwRFRQVeFLsBA84xD6UKEUGEiheUx.uNkrBfxSKEsGX0gc.YLHCeo7ChNBxBB_kXq4nsy5uRdxXPzwkAVIYlMsIFg96fppZp95uxQ2XajoMsIRNtaT8x2s4Q2eZL2lGJHXSK4oBkC3dipm7r6LXe4Pf_FUdhWPUOSGrH6txIWj9MkvLiwlt9vO1WswSmbLMai8zM7Q.CzbPhXb4_YSymfxUZZiFuHTy7LuDGduVyrFtLi.hcDrE9_QshcP.Qb3htqgZPDYdrfNNx6Lcd9C7uMtfYTV9QqNI3QM9dm2MTuzOh0kXyjur.XWySI02HKgGZw81F4MLy4_KBpRd2gaUrslEYjcW6ok09_tY2CPepaTPTHjf_Ym3cLOLQt0Q2a6wN1YK6AeMU7X2UYDpMcZblXKeTv3mYM0atTb2XJm1HNKeNUXfSfIeRdNzDTsJ1bB.Iu07MR1mDf0h8KTdtv8nknObgu_O4GLXdj5IOaQyqrHTo.w2SU9OF4DGSqdDqdMtTmd1KR8iyzuMmxEDYt",mdrd: "r9zYI50tdue7jD4Stc70CM8ULek8Gy8K7Qa3lS6_Nzs-1739402778-1.2.1.1-qJ.FWPcpCYwU1l6Qec1hJvEcYhlYc9KsZoFJ6s5a3GHYVMXVTaYhC4EkwEGfX3QTERgEqLXFMrAWR9ilJrlftRIkRDT8VdFGwE9N8PRTsRk_ftdPK1BdQ.66NlTmFvkDpbnXdzswUvNen89PEQ35dTt0GoyVRjZd4Iz9_FO6tSOnFTxISBdWtOiBc.R3l4gVwjl1DwC61tnCGQIVIqrUwC4t8pwYCvTFDlDhyP8POVY5nTXsRb22xkI8gW5vX3piazgLB6zAha0UvvoNxmNU7P2qLDMd4KyQrN01BwD77inUMYqrAfRJU1smDUeryn2bWaZJMXy9AO8_y554MhgTvNdAu74F9y7jIzV1Ug.jxMEYsXFZ2RVt2qSTw7g65JOxMGDd5H0URIyMHdRhZCLE31AF3HFGFS.Es9LiE6FWvnzCYlxA.1Mh33xmLQ63kpzB7jm9syzTNbG0QKcYpu3jX5Vo3tHWfSISVrqb7p.KarUIuyWniwqNc_ks_oe1rCrT7xSpyViTB8BsxgvLnuP0cG0cDuon3LIX1bY7eV9lwdQ_uQdPXKEcs2WABQmZ6jXAR2E_3W8RITqxL6Iyq2WbjnPSATBzoYYi2vHrOcZUsXW4jCw0_qoygezU4t5ufcH79HuRTzHUGkRS4_ajvv.px1ojzNkAbB8qM.trYtTG80DZeCb_mKTFN9aqQoPI.Tb8EEkN2UBWrzr46iyblL._iDV3DVCGpgnV7nxSvRXQ0WHiU7MrBV_PrmG8rha6BoP.Tr.HfmGDL03wf9n_SiIVTK4Q17mMBbHn0pfTOU8McmOfdB0UjJw4eBGUuPuV36JQeXf8Qw6UQIOZday4AXT_CuH4GpIj6uBTLCWorSlkqr0k0IFOFKXFUptp7UaHpW_srWtOqBZXXw1sKiVeki04wWctb.rASfmFzrlBaKhz.Z31NvNpXciGNHdHAbsbdD_dnI.TknTc0rwEHj0UE3X188NmZv5F1I5uDNbCx4VouB_EO52dwgkNG1_PGaLnTkpzPYRk7re_WvWWXp5dcc63zNMvGO4ausipRBP14AOLIBYxYQ1OcSDkY7H56IhgdweUa7izOTsqZhsVNsgJYnwf1PV0TMKsOibNvBaLuSaVgAQbM8RtIgC26Q8GrR9MmFZrEqOjkN510NxTasSnyGM2Em48Gk5KyHIYH64xO6ntLbTAM3lTwV27aNa81ppH814FPd00vQF0xcbnva9ihr9BvuTTwLChVmYbhsKRP9LnguUuRtAiRVEswkflACCFDs8vhulUW_ChlVHE_3Wh4cSYRBGLEKkir5OBwEzV9PGG2cNAH6u5d6Fo4kU21ngQunlvbO_HeTLMfJUP.GfrL9E0lJgD6PqAtngysT7Nhj.cvKBI3xzefQZzUlKorUX6Zx9UDAGw2XiQnMOhyLaEzi1HCMwMMjVPu2fdC77S13SZDMVnovnrBt2WkhV3APSKpb3FAiTKEeasgW8jelCf1Z.WOypmDJMHqh8jAUrZMT1a5kD6IhycS7p3FWd3KRiW8ukezN2Ykl.0q4SwhdCOI_4x0VQPVo44GgLSoS8ihoh1bkA10y3G5gV78xbtpL_Lp2HLFGscj52q4ZPaJ_OeX8tSqLTATSs1ff0MZLLS1TmbYj7kd.PQYWX.pXTelDydINlUV9rxqpOkhae_YZ33RD5egX18lv5ZHArRVw5ZAdurhiQeqsnM159_tzd1f6lnCzziF0B.t40oh57ERDstRc0HjR4xCVcWyhJntEpPODRkWtzsEAlcXzrIBKhPtADjNbb8yY.QrXyA6De.MGJaxGRxjQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911057c348106911';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\/6095843127?__cf_chl_rt_tk=.khmiKwx.wKN.bxm6apFw3B9Pntl52I8rrq1Iuwywhg-1739402778-1.0.1.1-nj2xjkaVYzAHuZ4HiDHRDG8qsq4OQCNz5SJ.yKT2t.A" + 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