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-558934563638.mit-edu.top/post/8570329614

  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-558934563638.mit-edu.top",cType: 'managed',cRay: '9107ac9efc1dfed7',cH: 'MPlibyBI5.PCIY8FQWRMygGJ7DGoOAUd7hkG7.F9NvI-1739311882-1.2.1.1-kur7fVi1Ai1oW5s2KH8Oj6CkQlIOnObQe5nEiTjr7Q815f8o9FSKWS0x.UyvjH9k',cUPMDTk: "\/post\/8570329614?__cf_chl_tk=JnCOEMo8YrBgzawvnNZwq1McdHb_349NO1JzArs4SG8-1739311882-1.0.1.1-xqLYjxJrpZ3PpXoX.Swxlx9pUC2b80bXWX433bahPkI",cFPWv: 'g',cITimeS: '1739311882',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8570329614?__cf_chl_f_tk=JnCOEMo8YrBgzawvnNZwq1McdHb_349NO1JzArs4SG8-1739311882-1.0.1.1-xqLYjxJrpZ3PpXoX.Swxlx9pUC2b80bXWX433bahPkI",md: "f9j0GwEQ58dP7v6XxRBLwLbi8dxejdsbotdT5_AudQE-1739311882-1.2.1.1-bUcbaE2HGBJ20G.9hk1jyi6LWlyEBekld8YW9lA4O2YMENK7iP0ywxICrnN47rjUh1sIWpLqWe2rxPIVAVtR1GwEXtIJm76cKzp2AMMde6NxmioINldbfFcdZboDnMZq6iggQ0UKzNbNU4ZGbUqhgP5i0yXMbSR29iR.GUpSmboJBqstnGxZcUGfCUcera0LscF3XJk_HJI6qjLImnrnT7A1Cjb8A8tscsZHhLXz0Qg.oLBSKGy8zplJFUJQgPZq1VoXYXMm3D8dVIwLVTCTh.oG6YbI2qpDB6hpGQe5cOQVdXHBRAB48SVg7xsq4yJzksBTAZZ3IeS8an_srmq9GBlhyv85MF5lfy4tjg3sXKBGcLSjeAeJgynnUt8yj7nSnRn2intpzAMeM2pWEUQGaNn2uLsBR4E3UONPgNLPfEjmWY0zF2lFDzCGkpIy3D7oDSRdWRAcBSxiNs6Xl_DEZFPLavAYdpLJtdl.sdKPHrwxDPIPofp3LzGTZaOHTiTsukxb1xOJmpm.DRMUVBpX3516TBoK.P0LREuElhOArQQrB8DlheWA_ao2zG_nbtvp4ymVhiDm3hnmfqYhwk7QKbeKNLxaPsAKrXlWvD0o6poS.bCgutlEi6iSrTy0aB0gln3kTFRqixEPE19Ecnlrq.UrYgQ3YrtAMHtgf3Sgc0bi2rSqDKVqum8gozHuGlUo9NBtZ5soOOumF6i0tEidlcexNIBi_RafUFXMyc76YJ9bmJCxAxb6mf9b6xtSG8A0SsckjIM0hhhvE.pocuNna_61IlH8xfkzajOj05.m8tcxCYW2qwBXFPo6LEYhWm.u3ZAkmwrloqTPFZSbkzHl56C.yhqWgRTKOEIg8uH0vrSg3lz38nXoL4zgxPgki.Gk2pka1Jy0tkzSSFHGn5BNvK0mHqSIWY82hYQ_pJyptuL1_5SKwoGArgPG65hBG.hnyxIn47dIkLWyEiiRu9MVCg2LC8HYyYPpUsyJjppjzK3xi8e_Dv_9D8XIYKBQ9HbOUGHNJf_DAVaL3BYy1t1_tCR_I_iXYyKmv6ltnsV2cVYZHVVR.Qo4BNX7j..oYcClCSXBTV._BS5Clkt0XY._N5L3xs8L_YOrQJf65ygaor96yOwwWgI42Ot7cTHRDKypIqKQTrtA8_lkdoUb11b8Aa8bOxIjDdC_lmtBATqu_54BJEL3nGWtxFfuTT8FpzTOYxcz2s7vVT9pPMmsJfvtpyRjfuIQ9RVp0P_SDHrNeAPlVAAIHPWcR9F9TtE7BXOT.5r577eM7TsQ2QnfFd0V9Z_m4HkFKrrI1hQOa3TuQ7jbOqHegDE4i1zuDUFlujFOBKfufqIOy40TcRNrpLF1ePY.VbokAHfmfhML1DiQqUgg.mV1wyfG3rzoFnlzn_lJUuCy0rhjuvCCho1TuYsRJvv8A18wX7ETOt63BcCdLOCSwb03go3llBJqnktnm9ahk0kD4lJFMmfrznAmeQiutufr5CwX_OYrZG0y3WUzhNKOiJ08XZ6eZqnPKImjnK6MgNvbzL.sPDcD2LfVHdiHxdp1y2oozbcjMYFS212FQiiiPImIVzZ4XdGoNqXhFgFK1vdMXM1fgGF2QEAPyN9ZNEw6H.r_BGLXwmg7DQftkFfDJTzFD.g_.gVbwJt.1S3sJy3TkmwpdgWkidXiSBh0Z1oY5Ano3ul5IkPRUmrQVBYLJCT4rfCEWHVHqSCPxsVsCDrlbWomt8zVw33bINNBfuYKtmWQvP4n6cBmvdVsedZB7n3WxpN6LmOxsodfvTaH5NEywLs6ww8eWcaa3NJp0nWnIo8zReSCZZo3yboi4fTYGtgNlLzBVjoDnk83Ri3BdOLMKzD06aV_Po3P_txcjg9ra8fQf2E8sdyikSjTki4gruSN52pamZ.TS.4_s5PCQUiohfNl4gDX3a1oLFMl2ByjYs8DPpKNQphLBhJ0MLGY1yxp8MOJDPlRgwZYGLU1DMZyAxa4GlNEzgn24B4dEyMDqUY7Oh_dz7Jlj_rvx0fxOdRbyFbeDYgNlV6_q17mqBh6DU0bBwIMvLQC.LHP7UbASjqbamCl8DOQAuTKZqI.sW7GDDeryBcQ3UKRmi8Gju7ix7.0QPQVpnFrFi7x60gWQTgJa1V5O8O12GmvWTdd9tw0s9NriX8Yda2Xn7mgXgYPvuW6pN4kolpO4rcpptRpfNKskM6BK10X7DoQtvOlnlJM4Q9SmjtkBc65_Cak",mdrd: "tY3Jvq9xQKcYeS4LwzETr.6d8Un4AXzJqLFnpTrMHN0-1739311882-1.2.1.1-qTxoAZdw80xodrewSk8LOyS9qL3S8.9Dc9pqSnr8gIUmSFRQZZgzYN.EWwRq12eU4vGrIGINaiFnE6eV0oXrUR8rSca7IVcCIRpow9Z8YDczOwskvmQGIyCrmJ9zlM3eVrv_oDVYAKXYpv80QJgsWh04wRhDnr2fC_cAREYdgcoLc7Lqzo6Ti5r8OSiV5m_mOUv6Af_vVxSMTaYlfltt74C1_Og29Geicd_aatBlA4UHyGrjeht_dfiiph0CXa4wXDZ404VZQfQ4GiCbS2eyoFKPdBB1hd8aXFpeYBbz7zWO0kVq716SICrhFA94q5FumP7SRD9MkV5_kkUbxvuvGrz5HgF5Kjcmtu_VCKOnAL1oN.PCT7PUWUB57fz9NL7.k_46e4.amcPJgwqBJZTdrN55GmzqABXFEnsOZ1K7T7TgtF0cnTiT9Nz5zI6POWhk2f9N6RA3bO6.VQarFOYpnzsAowh8rkEk5qsEC0KzSJ6nKS95y8UxhXfw5cPbeX4Ewl4048FCDkigF43aPNlhWk6RE0Ac6gTkWItu2gcDvJeDZEc3ImRo6RYNnUsXWdX9ca1sT_vpdXbEL3HZk9ITYGSqEBYmSmFqlc7W5oLlXOz9I_A0JViam.Z8pOhl8PdFerQzjZTnP5lVPNtXReeK7oJQMqzZxj6fL4e29iGd5y69M3PQnmcVxNJIX_SeqiaHxKCKK6iQMFHSQ_VJx8veLZUI_9C5oKUCC8_26yPOkNugaShWSq5be9.GvTmIIRpv6Mp_rBCmlYGO4T_BC8ic58E.Kb82Uux43K8Oi4DiQNeBn3ecow_b82RabHbUD_F_kWZVMrHvY4nTTFCR8L3.pzSSXRhx4B3gK17ZcFJWiSe69fD5tkK0jy_zdwJzKuF67UJGA_eUZrtjWO_qKoz7AFqt71fIRV1VEqrNthxD1uJ62HbMjocRC77GjGR6.CbogS3jFlZRQ_RYoK2v.x49D45FDUCW9lvs5pRvYr7nCsf5YpBpg3Wjo8M2wQkC0qiWEjRZmB1Zsv3itkY2LpJ8JuUjtX.suWuKh4jO.H7LUoMkgyZp1cTjDgHMhniPhrUr_aGBNMMHOFVUEtBPMENDR_fRmUiHTKwHe4.kb96ZOjJ2SukR_o.qUxzvGyYBculibgm4zvaZd541DUpqBnohJCaN9N_Ys9Gtwi1f3HjmYyY9m364CKGkZnKl0eZEbo8.6gVGb2Q2DgPJUi8cMe66BYshIw.GpeptXKx8lU8HZnl.3bsbYS4wPvKYs6pfK.hUhvmydf_GrT5sXhxMNCp5iUCV4fe6rBaofuRF.puunCQd6wZ2yY.D_XJqU7unsEAr0HahUR5TJCfkIlHZ0yHSfCR9Cn5yoo_oVWs2rxlRcNipcFfYnokijV.hFWjFZyVPUk6DDLc6M8hrWRbKyObCjWkeeNg.GinHZDz9RFSXMCuMrl7IXFmxk1qCMAU4eILj7CD.FFoV2262FSBUp3Nvm1yukjj8A9_Ui7fz.9jyjGT1frKe6zouX4g3.p8pW2BOsY6XPffl2IVjmU1dMCJBY4aJjbDCFO59pwizhHiWMvgGg_.m73ScuGE0o71IAQjpPLSUPOtvKVuFv.zlLP7Ngsf_SqtRD39EKeDKrD2g8vuE3rpFk8xCWPX9tl4gJwsYr4uBiJ.I3lffp_WN3.BpaoYhwouTtXKhvLc476zRs87nNrsk3wEBCMZEpo3Q1IaoGItVbciIm1vgiL9Iq8nL4LvsDbNXm.AawSzNtQk3JA.ZzIuk6ZkkECUoL0WMF6.l7HRBTuv1j.CpWcIfrwiu5H_njm_EWhM6uAfTh7VWXXXZw6P8ZU6vHdV_ob_TsGVX"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107ac9efc1dfed7';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\/8570329614?__cf_chl_rt_tk=JnCOEMo8YrBgzawvnNZwq1McdHb_349NO1JzArs4SG8-1739311882-1.0.1.1-xqLYjxJrpZ3PpXoX.Swxlx9pUC2b80bXWX433bahPkI" + 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