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-258545822811.mit-edu.top/post/4918762305

  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-258545822811.mit-edu.top",cType: 'managed',cRay: '9107a8de8e981fdf',cH: '02.9blT8HUFxtEC_VKg9_Kss6gh5wi9UH3LkeHfDNvY-1739311728-1.2.1.1-.iZzUN9Ow.z_TD2M.4OaILtWiWia9dnK0y8nppZ.3E740j1V4llwmyNY793fKwEI',cUPMDTk: "\/post\/4918762305?__cf_chl_tk=iydnDZctV7V2U3soBZeE.hRPBCR2UK6NIxy5KEVKHmo-1739311728-1.0.1.1-P518qKFE8Ops9zz6OuUeDtMrM.KilYsf2WHUv6LegJw",cFPWv: 'g',cITimeS: '1739311728',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4918762305?__cf_chl_f_tk=iydnDZctV7V2U3soBZeE.hRPBCR2UK6NIxy5KEVKHmo-1739311728-1.0.1.1-P518qKFE8Ops9zz6OuUeDtMrM.KilYsf2WHUv6LegJw",md: "BNdqopSKJTUBuMkCzhWlaxgPgPvpsA34f_nQ1OzK8Cg-1739311728-1.2.1.1-glcdE2.VGn6Rrv2eDK.6NYEWnT_lkQhP5xZmsstpsIG_dFmYUU1ZSHvvRYEkxO69v7Nc95XvL6jxvC4ll3VSUJ9D8PRSOaxS6q1Lz7Pz0gi2L3k5D5P5e4ha4b10lW_S8HDl6NXH5gUaD.oEgZhF4PVvIO2bs.kn7Bh0MHReFCySqYJb6EMD.N8YR7GPVTWUUTtYa6L81zWCYO5ifyKByHv4GrlWlsDjr5uUHzZcc5.UoRvoukytq0y8yIH93X277.g.N5EgWpfKJB5vQ8gNeEowycLSJeQdiXC3LZQ5aGFJgqX7lxI6yp0VRPWfUNInPoAyFEHTdBcxQkKxdkBmtaz0wgVowZocvh3inklIgHNJlA1bPeZcUqfYqCfGDjjvizlWVC7XHmeBqcJ_nGLfIappYVRsACjXvQa2qWR6_jEGjA9.cA.IlqD3RnYWVlCrA04wjuszBzBhsheEGyukAC.XohhLSYXpJvDHZQXYifZLbUs5cSnacDEpDLRDL3tQwOfXrXaBRpfAerWUcqBYFO1tPqR3Gi09KeAPDD.6EXih9E2fJ5icAJ8pwPePmprKbSh8wXziECbbZrGTpa.9_X3z7vyE0bi0UUEQMXGRsW.gG2OoZ7Mwj9_HFTzEPVYfbK7AuKgw4fbKHsS9Klt5QvkDiLY7F61xEYmAnKNrjm2U_b3U93wwAI8NuNcRsz9By04K598wxu6oldclV2QCJh5rzfUSy7T831qaVzIl9V4RdlZFF3IgMr4zHDW34Gb_inZ8miznEUs0gekXI1c6WRn4lYvCP.4euFuXaqkFvhJdzXNd10FTFSXG0fpwF1rilLiffACX5qJg7GVtFMzijEOynTre5E.0VshhL024vDvEQNJN6y95r8Xpon0uNrnGbgszM_h6G5QI65u3JRK9n4QeC3o799Yl7DJaT0BYpVs2UwetqJzTOLuO..P8L0Qj4OP9YrlBwGJtLG0vNi67XcuALcqq.f3291ctV7VC.ZXTpQ5c0cLil9bFTf.XfUG65NIbmwAndsxxbt9CuZQemisT248JIo46GjG5KQGRyCisVrJKHABCczEKgPC2.R6CYmo0wSYvbwLWWBKO6Ma.2rjQ6.DWAOZ6HuBfxF_Yf7ryfGQZH64np4pCyTA0LHnp4l7_9A8dBwQpusKt3TtnCu86nlGKWBDuwVP4iMQoQnJ8hXFlxXhDrxtxdxs8Td.ORIOofJq60kT80HCjbvecSyGNlKh30NsrPuLn9J9t4lOhB8PwWMbRN3buxqPjByIhZqGM6snAIx1XPT364yFWdzonoHLkssxs8zbpg7VmvJ6hWbJrcz5hkf_1SdIhlykbsPAj7aHMFA8SuDDJuM059CLF9HbLJOGbshYdx_OVpZR.qNO2stc8we5309EL2ZPrjraiv_PwGpYYJOdRIm3MXRB8dCqMxeIN0preahtdyWGGT9iGdteXkehw9j93z5d71vvICvXEqhnDH4_YyYMFRYDHsWFx_LjW9uAcLST3VueK2duUFhFJIqWp6sctjCFdfkodYfV79RJ8GAzwmGt8FrTgCmrMb44tdfD0_8HGpmzNaDUpaSChm6t.26I1bYlIW3wXOHKY2M4_m1oNgJ.HNuAdPgcYqjnzOYQtdAyemVMeYcVIdFZLGmo.mxwn7LX.X1G2YP8pcnVNGYXWYYWcmxXYmG6579vSV.rUhVlCkE4rMo9osmjsr9wRWXrFWicux3qx39zq7QnYJV.EXfn6tds1qlReSEpbNdkOgRrL5UywIuTyUA3y_4WhNFrz57ZN_BeR6Pxg6Cgn.6ejG3UfRg.YBA3f2zFYQWEDMuBmIhZOiqx9D0_68YGEnEUXv3JJaR3dNosH0duHM2_oEIo9yZB5P8WHherPc1Aa4X15wpFbKwBaDN5bLn1dSPgJkMdq3HhUTYgZYUCCngZVAZeq5Zr5sbi2em6PiuUmdV7Yn8d7q6vfIFYv6a8AB7_t3_pv2cdacQKg8K7tuAjVFg7K8PaRHx77BYJBKCSjBA3SRCfqODgtdVt8vW9.BPthKJZ7S6jbARJTmK7J5N4JcjVncrsXxNamen4Wdnn2et2cIx8njIjWvb2_RnelwYtq4owNwQMh2JS1lqlX9I3jEwKhctIrxT5Ij7aSK3aYnhSNFc.JkFvOgUq1y9IJLvuEJ3eecf.N.aHRZGNFnIqjA1LtxrCXyy3DM7ZB59E0RMVNp1glPPDm5OYxdLni738UMGko",mdrd: "BV7_gViKh6nS3XSr7IszcyJddFSv5gcE.lg1SFFpq74-1739311728-1.2.1.1-y.Nuj41.oLa0YmVoMuDCJPSTF_OJ2SrykmBIApHxJz655Di5sOhoRGm9p01bTIk0B9uAVFY.GCcP_gBLxCCztaPQR40BBmzznDtn8EGc5_lfDSzQCNE4sXPxDuA4FQDq_Vxe2jetR7RfpuU0RNIGszp_vATnH0XORBU0_NzIa09675sKUqnflEoXl0zte5NxbojQVeC1dM1cPvAxCFrz6nxDpACakbKepzTsvyKUpLYL2MgLbncVMYry2pcb7rGEEDZolnrTNv6eQx2KBH5C6esEd9QPU9vVpwGllOxC66TA0GERIeMlK1zTKfpKerieWbjVR4RouznShnu5_1dSj2_QEzpgXHl3_or36Bbe5Z7lFM5ldlIoHZzxEwEMqlChOBk3LdNi7VwTH1JEDVFOIQgWHM.NGECSDqJzEUD46c8FfZiOZbbG3MzaIcP0om.mAkVMp7R_.afiEtsJ12b4wkegy48yPFlDe3NCSgeaMFgY9yQSb8w8NPBI.G6kFmO8_Xy5vwQRrIfCveOjVIQ5LyG1ObVoeixXj4vEo0YyXuxOiTunXlP7doSf_auTFEV9UIuZFbDB0TV5X3AklbY7a_UtQhgFwFIqil0BHosRNTCHnmvqrTQLT_4fEs8F17V2QcVBWSHHbxlJIVa5CHoXSbI5OD.XmSnscaM5.n4U.Kmf0Zz.Y5GPNREa5RfHMePNdkdu9bsKBOnRaRcE.S.vPx.Z_JZyi3cMF9oNiYHHT0U7NEddSw7ktSmyNwVfYn2LtgNjgQyz_BySJrpKtAb5pQtuWUjGU5c2PTHUbdiWclLPbiQirDaFbmj9NrmyinWHPUyE03d_83zDX_Z9waRn5lqF7HUGn8D_bssw_PykFWPd8MD6BTj8QhnsculBqOH_S8Gcr6NU.YK7yf4qzvc3ZxuLTbS5Z9Q_g13TsOsdu0p1dDXJjrAEi8B8gI5b3uM9lljDk1Ep741vycoIZRg.jyLrdnwD7Giirf_SLS7tZdFZTsmgJUzatfTFNjzcjdcIJGEynrcloqM9ZZ4F.ZgsPsgLM0WMZxRjIZPA8fOSXVdFZQoVF8LMxFgo009k.D19V.AXwm1dFXSXi_pT1YEoUuX.vsL.jsuGvlp_P9UMZOlAkIbvt4uafd2OTs.fgpSMCGL5Pu4f0pSTz4ck8RsEBuldcxznnFBnvdtQ2vV.fSQaADvYtMmS1GDb.jCTgFyD7eleha3_4tHdNjJTVsbyLShFuW0wN.QYb0.cGBe2UQ78.5kqnmwMjoyGZeEWX3_cCjNAE0f9HqoztZp4LW2GfKhvOJ7kp2Avj0_rLCPyI66N.M7Ev1Cesxp5Oz1Yk9n7GxKdCsX2oAOecLwsbS_5YBgv7KklsoJ5dEYOMiUK.CHdAZIsrym9kPNt8jq70mequAjm1pPdBTVWJ4XFNkujDOANJtkA2dHUbCSQNzmizyTdg4YENvYZ2cycUqcm3YrlO587rMIgQqSZAVzQEObyElXdEVGh8aU.RUnStzmx6cJD0k2McdJTMsBWfGsWPGT8_j_XVUD_4uYULx0afl4KrWMYXW_9aIKyHnwjOi0CWfIvnpb590UIDnWO_pHr8i5UIvH8yM39X5_YYsWqYKhBgLIoiIbkAsjmTVRNOocYUXVbCY0UI9DvW_rwMPPl9i5CL_FNHCxYkEkf59Zl7A_RSwboXmGkjBsiWr.a0ioSaSDVFF4I7V7dpqg4TlTXgg_YYAmo79bxLU7JfPkUXnWTKJNTHJCNCOQdEr1Hcx891J4IVJYyoVoDFZSYNnAc9rEVh5DySPeiliu2j6e4YugTkYMDXKCWQI6B0sgT_CjZ080"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107a8de8e981fdf';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\/4918762305?__cf_chl_rt_tk=iydnDZctV7V2U3soBZeE.hRPBCR2UK6NIxy5KEVKHmo-1739311728-1.0.1.1-P518qKFE8Ops9zz6OuUeDtMrM.KilYsf2WHUv6LegJw" + 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