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-668808563468.mit-edu.top/post/1743562890

  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-668808563468.mit-edu.top",cType: 'managed',cRay: '90fc9b1448325740',cH: 'zYUST_uTQjO16cH7cnB0IEx9jamDbAFMXmFEMu2cBRQ-1739195820-1.2.1.1-ivs5Xbk_F.yLCfrGTyw6fbneitWjg4aBcIPiItVTMaYBJQDVc1mmSUmGBM2NlNgU',cUPMDTk: "\/post\/1743562890?__cf_chl_tk=qjq03a2J5YKWLEN6wdLQL2Gvzh4EgcTYRqNYBSEkMC4-1739195820-1.0.1.1-Jww8LWzPTQau3D1SATAAlfPyV.dpsMc48xWfYODxF3M",cFPWv: 'g',cITimeS: '1739195820',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1743562890?__cf_chl_f_tk=qjq03a2J5YKWLEN6wdLQL2Gvzh4EgcTYRqNYBSEkMC4-1739195820-1.0.1.1-Jww8LWzPTQau3D1SATAAlfPyV.dpsMc48xWfYODxF3M",md: "Kxy6ffEBN6piW6AAEtZM_mqTMjOUae2fREsVxC2grTY-1739195820-1.2.1.1-zSLM2gn2AMcEGOPXK05SuDTzpaksb3D_tgCyqaDTbuM3ndREvnJxFodnqqzEXLMkXH8WlJte2esgn06Mq_W0FVbwSqmwESH.O3hfW8I5c5rSn6Or30M124d8cEhKinmtuE4kHpZoLSihtdJw4TGazNH5623ypVT9ECExCxSwVJYC2y_uTcu4PnkkMTjR1BPEtBWhoMIVPMUkW8mWkg.donmbLLn8Y2fnlEFn_hFU4seggpnX4xklqA0pqvjv9PIPoxDbRNNDDXI1MCF3uLFjdW8gENDxUHn5dQdJfNFu7Dxaw0OHzGEnk1PyDWSFY8Z1oVsXPngoO3WQoyqqh_TeoffUcHzkJqNWPj8TNM6ca8LtpFU.YedOtLlHCcMhbiCGbXcEvy.A9GYTpzCYo8x_2RTYXXLH3OYnuZ3eb2nuefplNRjdDBymswfbnPIGrM2hmH4y9x0aDx3pQ_B3SdVqGxfdJXvwevJhnVsssEKwcUPLVlP51CkrR7eE9tBcUB.kLpZclVHRxcuC7YrCUpUmf1zrBKDRarGJGgomcuKZ326CF7lzO98pIv82gfWpM1U5TPjpXSr_IirzuIAdhHJrQxQAkXX9iH8MxvH8YgrU4ukXu2J3CkagUU..ags.DuYVb0wgil4QeBOX.ayDsHL8jA4vFaFZPvAbnLDB4_jZ5b7Yz97uKJKJ4oXZskgOCp8d4iOoWd4gjJRXLABax22Blx1NwSnMxwDGmVaQxdVxtMKcD77Yz7ckKXj3LQcBpYm1BNz3xZzYcUITCTMj2JlJ32xE9xXJGm54bt7jEPAoXq04kgbVbUk.9Q187dkpClA3MB_TDccHJM0F5bBC70iljheqNC1GnKgFvq18Vu1j.wrZ8KtLnPTqAt23Asd8IQ0Z.lJ7HCQaYXaYHkpdZ4ffNDwfe2F4SY0FCASZCRaPy6FPy_ZQzTrjVt344Ywkd2w2G4TJ.eh2nkn6xVi4RLzMi.nrgeumxiI33AC_6vRABEVeM0ilsK4TbY0VK0NcNt_0LFpYxGJyEj_lMlNmn8BrYMe4Hsk1RzQ0tBT_MMODhRKyglmlXFWjyK2LDfkT_MCxqgFmSKYpZH7tNcrXb1ojtqsBflpX95NU362oDNmlaltUdTX8ahp08796PsPVg8l3bSohJECp2DN5HlfH52FekATMag16jj7BGngZa5Rtj8gsHf_Wfyti0DUW4mnMqV8zgzVFfvr4Ss0YL1PCdu47IqtGQ2cyWqsrgS8_.6pl7ZIFHcJJtUTDaJ1Cnt3PrUvFBfVAPnexcsQhacvevrZcOqnFpVhdLp0ruP44uYYJOz7QD0A6HRiTd.j2wxTtMnl7eUrZTG0d_s_rJBUYWUrBCu5kYzIzYSSZYghCOI684mKrsmB3VEUEbV2cROw_vVH5x6ToBwQQ72q_Rfple2eKbmkzD0cJO_z1SfEJaBW0thEpB74TMIYSABHJ97gxBkAj.hPIsyoLuzoGhozmk0QjvwQ_szR2M31XL8D1AoCMSr5ul72HjJhEZ1L5.htmnwJ4bg7f0D81gi9CwyTc7Pyjo5MEDOaWLQy547FmlBTT9PLCjh9E2NCUf56pKVbFVT43THmmD88vlLDzurN1L2sIYZWDLlUktyQjipdY8LObnrC90jNMF9Qy3yQ6wgAOT0zCuNOWAxsIYCuBNhmY8p5GkHB3_kdHHYzLs10CdhI45oEUFzVIIqbJFLpv70vjBygz94X7SPwGba9a7kbVuWUXL1m0g.q6D1PLLgwByN8FxYeteIafQ7Htq7q3712nsaJVYKJLNWOrIX_4tC_fgT5ndmwNhZXTAUdtbUZ2vwfvYhy0IU75Ry5tc7DMnUoG_NwfZj4FTwG.mwvYg38Yo0RHmdg0HsZvF_VBb3cjhh7uZp_SZQCnSgMmVgTT0BhzZdqJ5RMyjJnmFNKyUfP._VEdIDjbElJszRvBy5qKrIetdyT8i2muaQ0_BeU__qoy4_t_4aONAee6Ok9_AYO1w0qXfSat8IWxab_zGMVU5HljJI1p_bRZ.MWVB_yhCaNFxNabdiIhzV173NOrMUwWTtidwQbklf_doN0FJuxb.WiGkxeVAeU7_Ms.u2dXBgLXP957h9ZT2WcQpJfZh9gKjNzpasm_xfqdWO6km3Ztzza56x2iCZ.WthBSSoD16HeeXkj3cRA_7ONya5zAdSfPPpAxwtyaEZw70IYSSw9CJ_qOmWWfupPBIfoJUbdDi5Fiwt2g",mdrd: "CSPMLiBdBeHRL8LEcngD81q8tP4_5.LN0ucVP.2LpWk-1739195820-1.2.1.1-8K_uVz30XGiz311lcOKWW_2pMJAc4_GP7kyb0NjkYcEKcdQHWEGs8asunM6umM.oIJ9De5mC2ZqhjxmXZOsiyUcjF_O77RbRAkKLmLF50q3SgjAfgvRTO0.O97WZ_WTB4rt8slTK42X.63Y30tMSfikazETDuFKNLCiVePTikPQq_r0TDrS6sqiC2ucUnhiuJr3CiBYp98fubntnSFHeVTxvlqgJRs9SBDTGaoJbXv8S06j.af6ZgQMnXNdJzy55zvzc_DMOVjQvMBedg_tuJcCJUCGcUDnv6khJecaOhOxErmo4xMw9x199NWlINbFpkJcku91Ul1YN_y_HUam7TEF.IPCuxaQIkXnWuSLAztF6CPyALB53i3v4s6.GEQwoFhptKSXh59y53n3_9TWr5VZrERIePo0m3X9C7Jm17aDDzCuLB3FrBTiz5pNftd7o5x.22VxdBfbTDxETN2aUIcR7C7qd3o1Y6.qwD.F0ED0MiKNVU7vIc1GHQOn3206NaD5xJsw5gUesvIMTkSco7Xc9Q.Cd5VuxGNJh6jbUc__Ar9bAG9O4XNBnQ.u3P4jrpoAocdeTNMVvieSZjlXQnErlqPxxC_YxNR06DhVj1D57gEtO96YYQlniodGp6IYt97MZeZx5lgCDyJEoP30XSiBjvHuYJvoompMzThDEQRjHQLxBBfXTwUjsrrxCjfdgGFPWdtHGg_QLYxVNJXaqyU8mMS6K3YKMQvlENJqu8A.yB6oHfQ9sig3k4o3ocR74iBroil4u9DozDUMXEGTJx9pLg0_LzyyrXCFjQ.d0ThrYlGMZL8OJDBE6uTcaYMkCtDIef7_TIfUMnQYMH1NI85SW.2QIfost8ysccCAheB5lSG8KKK8hyt_ddtajs4tWswjQA_Ga5kh7Vdcc8OYig6jTjT5rKzRN6y.n3z.j.sI4x5DKTtDHo1jvwFOEz283vmZcXsppeX6JYHyMSEpTMqB9t2anywSSUZNc5vn3iLv.1rb1uGQ42cZ.8IUuVrLzhdaOasZ41TgLtPNV8OF4fmLoy6XG0Q7eLIqetmtNv3WICO1aliruZiCRlD22H1h9hoehNwTnfz_ecdRECeNiIJ.c6C0dhKu8JiMUmT4B35pstLdEUVmKtb6QjGSooSZS2ymNN_SkYq4KlvdzqeVlzwlQt6DTVciOhSRqcX8Z2WfDUXE.WjLyR.T3K98oir5sPTvdbW2eDV.S7u6IcR_.QsXn30J.FEUQ39LmYfi1Ghry1eoXD4Efq5izS04Dju1_dULAJs3.0O7m6IEoU09Jh.VPvjzfr6.MAPKUR_WUIYbOcUipZN35MXra77b_8SknmDf_rUBOMijQ8yOGEd6EnfwgcaXmfcK6OdJKB_cr962KRL1hcuNkyae9csxU2l.iAoXC4isd.VWbz17480_A7OYNQpaxw_n2sOAQN4gpAY0VWkN9iGQ59HC3GL.h0Q_eq3kYr9XKpe_5KOBan08nbYdtVttoW87jVNQnrph809cq5L0EtDtDZIPFWFt60AGpJX5nMkq5MYnfHNGcuVo79kd52Ak.jQQQt60PJMw7eGhfaKFCfgPyQyMc6bw2Qc2j5KfICs4DpeBbIvVPjNTqX0zxC4xYc8a2PHlzXijZfD47ZyUc77__P8VuagkeGVKq8RvyHL6YWcQ9VA7yr1wJxWue_DqN3O3D8oSChq5bw6xB5FM9QgPlEzRJA25XkQDKC4lPZW1sTSnI8qAYvH.BGs54z7KQ.GByJxveezgx2SEMmLJrI7ttZi1xHhmMudEFn4SfTEiJ31H83_AIp7nhGdc_5v9dGbacEQ4Pn1wGlOs"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fc9b1448325740';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\/1743562890?__cf_chl_rt_tk=qjq03a2J5YKWLEN6wdLQL2Gvzh4EgcTYRqNYBSEkMC4-1739195820-1.0.1.1-Jww8LWzPTQau3D1SATAAlfPyV.dpsMc48xWfYODxF3M" + 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