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-677312667449.mit-edu.top/post/5307492168

  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-677312667449.mit-edu.top",cType: 'managed',cRay: '90f7bae5ffefc99c',cH: 'vo6.woGH3Tb1ASLxkNm4o2f32xLBCuC94ppXm4pTJ44-1739144694-1.2.1.1-8R1aj69ol9hTLf1Ua6w9C1lgppwpiUp9g4jjub6lTUIGycUY3Kt4TI6pMD3spNUn',cUPMDTk: "\/post\/5307492168?__cf_chl_tk=.F0K.436WNOkj7PUq7r1d2s2g0nb08buaKwhfCL0yE0-1739144694-1.0.1.1-FTyDqPOkR7kqYkM2HHn.yG3k9hAQD9RaxyV_XniQC3o",cFPWv: 'g',cITimeS: '1739144694',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5307492168?__cf_chl_f_tk=.F0K.436WNOkj7PUq7r1d2s2g0nb08buaKwhfCL0yE0-1739144694-1.0.1.1-FTyDqPOkR7kqYkM2HHn.yG3k9hAQD9RaxyV_XniQC3o",md: "Wxi0yd8e6GL591UVCPkFSL9j0pCwAs5ck.l9FdE.t74-1739144694-1.2.1.1-bdtH_mwhs9w4ikuo9KP7RhoorKcpnlVdQ5ZUE2fptXTJWjtVm5XsAPQkYYTMsyF08C829tbFQrh3WjiDVJhZUryFEf3LxxVMa_Le5XiIIl265BExokreHI9ztA1yF51ihqNtgQlPRuVYEvI6rNcTFnfpIoAczBxvtnF41tMgW4Ulh6AlCW8XEQ3ZObb.6w5YWibyApQtKmvNMN1pd3FxwFfEeCWzgM1wiEq46ztuqq88okvfDNJdr9lflGm_naFAPB5DgI467LwDv.Wb1Na.tBnc5Tvx32kiiq_nkM._HizfPnPjhfVnBKjl6JdrLNqiZ2S021F3_m2i0gG0s7rxep9jVDOFxuz6Vd9AGTTMd4mKPcOs3mgKsyq.nr4H7L99f6uGNG1imIIQnK9M8hIqbGmhQu3F3i2Rnnrtqk0JNUqwpUCLflHgRO.XLiECN0PMETZxHJC0Ap8SZ1TjR5Cpm2RDecQ.BElnEkIILcH4TcmFJ38vnBxPuhTDYZPjIpuic1_YQOw51HYWPyFwYPqlrzCqMHtCpq9fbgDHD8yRKJyf2PdzOPnt7EN8pKr.adOnzRphhwDmAAA9WIWYRC0ZzHOns1UNQ7HAm2GcW.Ys7uOMzfefLQCRbiEJZZKEzBzy0DuD8AS_dtuvezitAQ_SyovgI6Sjm5zsoKJB9OfszE73jSKNB36H.k9YcGQo6VMepvkgclScMYxDMvxw1Uab_8CPS2hk2EIBoV7ek33oJ3gFZMUfhoFWeYFu6GfzNp2ht.U.ELyX6up8fVxVxYCgMIClLz5mKRzJbU6qnfetY_nFT_UPIH1642tMavN1J7rzowvEEdiHgLkImi6lsjskt8Y6L5b9ChyRldrSGp5sy.YqlTCXj_Gs4nIM7rRD1xcUWz9PywH9jW4d.5Tkjqe9.xuhGYkSDJQbcM_hNdELoLw5jLL3NXJbQFbF1.4OwGRYdFrhEu9SMgw45tCDNbMiP_ISVq3qQavGGxe.k2VzhYlu8Azute2kUV.CoBqKLfLgL6Codkb_Qj80RTmn3N44w0mZKjfIy4KpZCH5nJfOUcuehuWyZQstujVd9m0QIPOpv0tTQnfh4ZQrDTFnrgehSvjLB4DZ9BRcyhBGp9_RYAv9SsNbaDFp.bJ3iixzoDcfGbUnJjHzUA1PEQxlGEK4EgPhbBbBOo8Vs3Rpxebw7WSa42zpjWDosSBgRCcJlZGbYATKAWv6C4E_rJe5kTWmBq2J0gr8S_Oal46K34yi9OE73tlGhWI3DhbRd5K5tHEeZx5WgTYNuT4OFwkQZOURx_K4u1eOLq2yBL4jTIDe_30eOyMbZBkX2n1sDxaWOP0VpdypbfNRiX0K9dJnCF_aqEoqDPgnHUQSE8SThhS3C_hPU0imnRo5q.cV2OCzkIAo4OQ2f8aCvFpa918S3s_PosuOaeU9ygeie7UqVCAT5vWbKVsGKzmX2R5lduIj0Pj8KrkfdBlZ43h3WE6lTHQJ9cnK5VSOmiAT_GL5Mi3aEGQolj.mEvxOy8p4NWpPllYiHbd23ZzguOTrISROMSLng0yvblw4FcbpalpO5B7hFWiYGd0tyWdAgT6q.fFhMhcsn8JhoPcJYJWL5As7ad59oaE6UzR8pwbLFiCNJmolTz90mLU2jL1TTbuTbmHF4Hfvhl364E.YPYprtj.O.P3NXHUl4nQiuNjU7jLF1DBwDo6VJIySbu1m.Xze9FhArYmUSCv.O.pzB3tXuRfXWlTCEYqFaQv9rQlaCVxrJki0.uhhkoZN46eRWCCWa.6wA1MEqBkdnJUFuGduJAlC0mDT7PlxR4TCrW2XCJhVnB22LnJFPyCrJJo2iwlCS.xS9fUjOpf16s4BENvY_Vdahotj1fZWwKwKhZVZTJqOOzcpuZKZ58GQezw_.iygF.P8eEYXXElAVGdyENt8Y1Auf82P28MhmS0T0zS1Vkf6Gf8_E7.zNQYcazV3XB7ZR9eQ5NrgUo.yQlrcB9vUC_ia1sr1AaKjT97wY3pZQmhFr1LYtmqzgE97njx0QjkwsZrFbabaas7Dm6KegKspM9E.2TMVMj0JViBE2AoMVDnbuPAQTXoDF.xf9PDQNJ9TMTNgfs8QxrXFbiMC2wrLao6Lsuk9lDemm4Rd9v7n9iGP9W8YwupLMZqiTkYqsc7qY9aG.Nh2O8tajY_Bbxd4oSSSuKq._3VB2Q7Wxi_S1vXJ_pyHmSswp8Whgn1S5iQV9EMGO86z",mdrd: "sBECKN4y9TlzR5uBL7hs7diIUmy3Vo2nyVMwrWeUEJg-1739144694-1.2.1.1-k_Oqh_kDP0WoVQez26CkyY2LJqw7B3ThRQ5.lR2TEjASJt64Y8dM8GOCAEBeWR9hyyYV1bIgw0YMw3hOcAaCUmb8sMrMFfqsNAYr8xETTufL_.Zz_rcs_CfKiYRKkyPDKyF.A.Mu1pRhi1J3BW_2ajrtIZ52Y2j_1wEGzsTPvHtZeMijpnLFlOUcxMSGmp8XEx8JpfbyJPf_Ul1IqTghoTo8m9Aa3ra3XeD9eF2pktqfrOPwI4gLXNF8Cep1sc6tP9z7SzBM9ZJqeq7yLj7hqb0dkIbut4F8PdCRk2PXtMDVBoZwOOL8dH8HIvx9w.uI2kqml4ue2_jYopUgIsHNRpnn0Eh_DKOvJD6UXlWD3aqsU98MeKQ1FWin4eb7viI4iHbbuVaHpRlsy7cG8CJgx3yssmvN9clEOVreI8U30mOztDhWWic1ZY0jYVHwN8GvT4aNL5RATLfshmSSr1J7bEaDArMcjisRrDIWTNo83qnM9z2DO3opeZAQAZuv_sQBB_yR2eA_.ipwGF5M52fRuKHRHK86KKly_.PDynZXhilLef6tv8UJWHRyEMo8R1Cc78Xq9IZchT0N.U2epOoScw1lbnsWmbWb9Sb8nD_ABFKB1IUs1zl8heqDBAlEMuFspWxlawb0vJ54HFOoKR9AL2CoYVglUXTaiPcQOizNsF.6QbUhry5X4zNMwf808e4OywnXKFCLu18EHg1G_gBREGFh2eOyo5M_CMUdblsq7MWDrvDI0qk1HrS.SfkQzHAP0.M5RPr3MW_bI_KGqBTZyhki_gQVZ06WUCBJvB93FB5LO4lbFLIhSb.6T1g50puRsxoqsNSO9TOhTVU1wyOjXBrce7J_ayqvtQeqSsFN2U28WpXhRdj84bStygnuXGG6SsIHQJG2_1j4R8Aae7WaQribdirAWNx11qdasFOuh4uglgtsQDCE8kV6IVLTKrSxdx7QojUmK5u8VD14Vdoc.BVELT6B3upzXYpf5xbz7h8TJKpuC.8H8FlCcnD_YFHVyrSPgh877wi8ac9gRYXgzsVdR.eFDeARqquVSvMbC5y0sBiPgDUGj.2mKSDBzrVCJvWzsdeytnwnBWyBQshTHlQAPQv2ZMTUesULW8cf_J6An_NlsCQMu90LtHxnhI5b_W45K2taqX79Sv_HSaP7GHSMliPEQvhiCuq2LgVaHNrv6F4fpsD.WDUt_7R2o1_ns4kz.Q524AlUweppSeXrb6XpEX1NnttKuh20NchCiNCbc4w4Qiw46jB4jQ3aHBNEqe6qW2r3cf1XJoZhwgQSOTbfOs_3f.RBnvCBxvSkRu5TFu4K3GF6Fv2Jh6A.zPUmXUNMh_Fnzfr0ToWFhoxXy3PeMOn3NtlISnqwADsJGUJJiGhfko2fpEFAp8B_xyr9ffbGVkd5U56Ufp_0qS6OwPCN8dcKXXjQFrGDwM1epWnX8pJ2IB6Ey5UgRIFIuoinsJOkrCbLP2fM3rnRmJnUtHLoSiYBfvq0IfS0Ykjr9qbiOK.UBoeG8hOn26LEmWG4nD_nX7IhBkieL3eWhrcXLdADWUJcoe8OA.mw3E7MgSPqMY3GmPuKPpNVq7zWJ.a4lNEh4ha7rDfU76o15Gd.m6li1rvYFjhpS7EN.HRFtVhc7pRhysk_yfIDkZeqq17rFbASRaqIaPqVcI17g22Vpua_I6beKYQitsE88AFa7qGhyCxLYa.yTN2DqJij9Nidn1k85Fv5Ed6rbCVkMvCejdC9Nd0TUdC_CeHUn_G624.aflxB04QmdKqFSbY1LHoiK08qfnfsrmEzTp5jorJf9gK0bWUJViQ5lp2siYJ73Do"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7bae5ffefc99c';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\/5307492168?__cf_chl_rt_tk=.F0K.436WNOkj7PUq7r1d2s2g0nb08buaKwhfCL0yE0-1739144694-1.0.1.1-FTyDqPOkR7kqYkM2HHn.yG3k9hAQD9RaxyV_XniQC3o" + 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