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-169285601092.mit-edu.top/post/6439580271

  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-169285601092.mit-edu.top",cType: 'managed',cRay: '90f3ad291aecc9ab',cH: 'onBrCWLp88UM6LIv0uuPQNRTY6zMHe_MtZyYE91Klp8-1739102188-1.2.1.1-CLdzxvoywnd3yjandMgvc_Yc68_RSM6Fitu7LOtsRDFfwJn63y16G7UPUVZ_xov3',cUPMDTk: "\/post\/6439580271?__cf_chl_tk=XSS_Lga4D3v5RZsdedSAaCvryiipx2xuE1LaYvnNCD0-1739102188-1.0.1.1-yCuCMPp7_r2t24rDvhoSFwhOxCI7Y4p5Vewg.WiCQ.k",cFPWv: 'g',cITimeS: '1739102188',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6439580271?__cf_chl_f_tk=XSS_Lga4D3v5RZsdedSAaCvryiipx2xuE1LaYvnNCD0-1739102188-1.0.1.1-yCuCMPp7_r2t24rDvhoSFwhOxCI7Y4p5Vewg.WiCQ.k",md: "ZyoDhBpPVk1YIR_SYRaCR1iPHe.iknW7H2n5XGkeof0-1739102188-1.2.1.1-hYHMqkqA1zNA5LjTZPeKQLE4MAkTthu6IOL6KJWFoNM1kiwtGlKbgvn9q5.iyDcuAELUWWmUtPG5T_yTakQ_z7wjPxFZFEQWKl79e8LRzmbFvk4pJdCDt2uYPufFMR5R9WInffMeed3.d.3U5mFmae54XwgJlD3iGOa8.zEkxDudd0mflIN2rEKpo3r3i3UhmAMCoAd1NaWBdBxSNs9xgEcuJdJZ0ZNWoxeLxfNl2GZzX8mzSlKKYbJn2mzUHDcbS33CqlrdqhP3EjPrudpI1GEG1IxJp4RVt3FC124pD3ALEzlJmY3v.EBXbNjNvHby0Ng9AMnkZtEAhLAzBgZ4rST3w6cDbPU_CNQ0DRgaBSaGdS1aKqHeqo6yexM7exGqak_AG_I_TiRi1E7R4VIPv.VIV2Px2fy2AAdmJ_1agBd4Y9..b_LAn5LOz8Vds.YKXedN5GYRqo2FsrRrO227PpVAAo6e3TGUTssiD9QXRzHV0nKMFzPnYzBng3lFZKXVNonHJtJ90jY2r2iO1Aay6OoP0V2JwdAVShJzl4zw6Mm2anN08KwlslHH7XmDPtCIt8n7VYdT6ZvwyaUupG4tCbz5dzl9SVIz2VCHicx1r_YizYWEJ7d0qrq1BO_Ii3m5ASCXAWrGn5Muk.LVmpMLmSmwC_b6s3Hm0TeliwZQgiN__U1gJBY5JYc4TnKdsNeteEtPJDDDMwGYqhNa1Bqk5gqDuxC.8H_8LdSeacz8FzFy_IidsIrw22ZuRjdmmbf3kuRsxfvHgCiISuyqM_AmGVgSGTl2voJympOMpjQ8fZEVAlNJFJnNdrQ5fjvfnnLvCA9tonM2TlgLkX3LTh6WFRGwB3nWRYICqwwEmJUuwfqejKwPSykNdU.Wk0IXK1L7DkSfxW0pEeGYcVqDliymzeVpNJxfJeLPhYfuCvcXocvjwB3_fQIt04Y.ECnHuG4N4vGUjA5_GVgDvnSpuDrCgFBBUsih4x_deFSjFcs715YQFDIMo613zOPIw4e_Uyp1Px0KytQqeW.eelxDjeBlTPhUIJUfokxtLiVzbkAX7cfp8dPgI8uK3JbHUylUa_FiSfOtyKGVKdkG4.EOstzFgoZIZMifIlITq3LMsRPW1rG3rla0rYMg7GhJsTZxtnnGqfTq241UjDrg1uIfZbGqDryabz7ogkEYceAn7iP1k7JMZBM8_B9tTPqbo8AJvTWVsXPttXn4nZAAJLseU9_OTkDi9CaALnJHnnQaj7we9ftUsVnq_QP5qy9RpftWYaXy4hRZgztWTcpLwX6sD9zL9tgBRo7Z_juN353_qmk5ZsQ1I0igHZovySgpd7zOwOD_4NaxyFpKOvgr4cn1F5x17LIFQAaHcuxgS39b95GlaHtMGbWHZGchcYkRYpjp6D6NbqPn7QnY_TxfZBaS6xs3TnwN764d7i2kviatLPDkzXc0ED76GfVwVQptTaH8_AK6YAGGKoW_6P1_WmulK_ZRh5U._qoxXFZE8pw9.yrNxaR5ftT_eZ.ggMOJVIKnzEMPTrxHg5eBUk2AoOHJIMfaREzYnMFI.NugNrD2Ktq9B5XZ1cpLlsb6ZcvRHWesoY0b71s04Mmqp6_UgnxPCP4FDZlwBtH6ADZ_WtjgyMk2cfz9Sf4qjbNdRxjsjnYi8Mz_88IgdsAqTEwHAdzTe6xgIgARQOsOc5MZAYy0AshxfBiusnPgYsjgDJmsea8F7rTUbAxsb88qJgI81Vy8xBvn.orYNYhnFMqUCQrR6TpAgDW6_90h0TqSmcM0.rwgfe2_wUeFbmetB3cU1IFbSzaMj79zQR8m71yhT9GfXIqecRJite57dHKI.Q6FHMHMWvGoTxL0ZIXKLXyKY6wiw62twg3oIRPwG_pwi3yutx1HRZU75sATNDBKbeML3zPudxNBh_86hZVroKETlYpQdBNMJqRqefWixO0l0MJA4SUwlkbrHDko2Z1cioEGwknKT4_Y_rmd5x8AHn9Utt6AbAGdrs2cxacvmvvQWAnmxnKeZxGgBBnpgYQHwX5YfRlgW2ANrO460gutXxL29wARL16ZXB_XRXYGGLW5ni198c5f4X3G2k.SMYJ39v1unXcdMdwJAaBWMV2CZZBHsMBM_6WwGlrx5SF95snHnhS8zH7gq3wv3kAgN48wvzpp59fYtjhmjjwT8rJd958z1wd.dvTSKN5cQguVAcyvelFpmM.Fpb7T_2Pp_hZP8KcHIhWnITOn",mdrd: "OgP.0uTn1lupWqR2qkSg930irGZfHjL_r3MllNmRz6o-1739102188-1.2.1.1-L12FS903f60Gn_5.5RtowM6ueYz6znyfIwkrHFCjwWi6NOiPKnwLnSwf.7ZKIYvNaUu1TEz04Ojg5ehS5BGBObuHfYIABm7JcWnkgWAeVWPrvFTG0Ih3Bn6sfqWCe2K8i6ulvxDx4nN0fdhvTVyll3PCAkiJfGjM.lJbptDjaubUiWnYTPdqkyiutPDoGBmCf0XA3HNFQ354_gEDvTD0EbDmRbPhF4siEUCRzjZ1129LKvzqG3DyTy1P.I1UBJu5qWf5YiJICQxVMktlHyIoKeCNuLXLhF0.rEhCFLpcGQwVu0LQnLUd68XBBrAlc65d2u5_sokzJVRS8VuilmxVAL7zMMxP4RJDYfZprN89Uwt16273AlQH7PHp2bGgRW9wsyXpwyArlMo4UMQLkJPtFq9OhdcoXOSHIoBK6CAgxDOcr7eLuWRcY4wtWY5lzwFTqLm_DsI.gW8U3WTsZiD.SaDktw7MZaMzkbKkNyGvSKjjBmJTSZKpKyQtxC_NUxEiTQ4C9XX_b.6GTglvXllHzoud7nDYk_pwGAQoNoLNUCpuAA8.cf.UtjYXSJQjITmSVSG7euUbaW1MCvmVICtJ1tzj92JNTfve_pdqqz0_.UESkIdJ4WgU3dldZb1bUAMuSh10qlLHc1N6u1WsoNY1jegooa3ioEnE5vwLnLeBuzR3VwCEoOjJ9aCr7GubQQWUpZ5.lM0jDpa_h3nFkKGqjGI3IlFoPl.AANs3f1Snm4jT.TZqlyxsJ8yw5LzxD.Wr7F0hp._cmiPuAPISZk22hj.2kr8R3IFVWXLU1UBc8Fjs0pGfSkk8GY_BwTsQJXBkGIZ74VYhQg6DYAm8ijLZ3Q29HeDKUNoTPVbDUAP4K.XRT2VuqLchvfBNzZvfC5e0Hbk.QzpdE9fXBg_bBydfYdmN5YxWMzJRk_ErXb1ikvhPVdaEkyJBrW5t40qNkFCns4o.sJIX.70TdpvkMYhQpQuDQPyrR5_u60CCDb7AKuhIuaXO8a9hMeODeh3ZDjlyXObx8hz7bWmwrkZV9vO_8KCn.jY3xgdOrvclTCBh9mYVMTOF5kiwxJyKhkQF8CXY7OBE.BzKBqx26nVog6MabLHxMXg2Dtamr1Gs7j02.jTTayrjEuxweVYF510qHj2KCrt5Y3O7ZASBOGjIVBAh4fXHL8.f2cHRFPj2Naa5GKiEyjWhx0Z2M49ibuR3fcR7YCcGxzw3bZ69iGVGjoSqjfkTgjxvLE96Xo_ya6YChi.27iCrhB6weyl4p0zEyfrhuIBfeeCnFWbYbGtqrcuj70FP7k_EMY4SUxzBvxZdDoIDCeG2s1zX8LlTw2mSMUX1Sxz5s_VVIoIBrkvToK1i01wrN3C7msny.TJOsmPWmZW5tlwFQDZrNS70vvt79TGNT4SQ4XObHk1WKRx2Fykjcbjxbve2IXcJbLpQyR6zoAIS4IraqX41qzHS29hin7uPWP5AC10DydJIGBNr.iYbxpCTqLsUuKuTX5H.PumE._.8r1l_9db458znydzM7Df5x1eRAfRH5T0vXNUfFWlPVzPaQkf9KnM81HALqoPgtGw9JfvzXnEUxoKFQev8FDiDvxJv4VmBloyVSKtijzw3I6yPwZvYXxGe6PVXns_vvFfp4EU0N_n_S_9MMx59MMM7VaCPbRW1B0q070kMhiOABWqYlFY5XzP824meIYddhONyYTtJsqq3Fr1U07YgcrfRsY2fIkUGbuesFmQGE.p7tEjRm9k.g4bRgyGxjejQRYwHrVxG3rwmE.xXUlqvz4gMVmNWkGZjpqTUSEMWGZvxtXIzh3YVDN5cLL3ULdg75mc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3ad291aecc9ab';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\/6439580271?__cf_chl_rt_tk=XSS_Lga4D3v5RZsdedSAaCvryiipx2xuE1LaYvnNCD0-1739102188-1.0.1.1-yCuCMPp7_r2t24rDvhoSFwhOxCI7Y4p5Vewg.WiCQ.k" + 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