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-330586096973.mit-edu.top/post/5269143807

  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-330586096973.mit-edu.top",cType: 'managed',cRay: '90f61ade5b8cc5c4',cH: 'NPcSCO6mJqjecB.sREb2gR90eGSJNhA6Iv1_H00mSWM-1739127654-1.2.1.1-XYRb_yFOJL0a5sn4u429j0HjclvSCQTBAA6y4G1juua5UU1QiwjkK0eruNzbsEfw',cUPMDTk: "\/post\/5269143807?__cf_chl_tk=G.vnQebuy_MxYOJpNaAmOP_4KnCN1KJ80ObsHYvLn.Y-1739127654-1.0.1.1-ZKxbueUFvLkZMgrcMbyf7egoW_5o7L77WmG7N2iX4Oc",cFPWv: 'g',cITimeS: '1739127654',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5269143807?__cf_chl_f_tk=G.vnQebuy_MxYOJpNaAmOP_4KnCN1KJ80ObsHYvLn.Y-1739127654-1.0.1.1-ZKxbueUFvLkZMgrcMbyf7egoW_5o7L77WmG7N2iX4Oc",md: "YTEDWHsh0RH3N_apAZhhDh5XCZrEYBUqcjLAQOVHuNA-1739127654-1.2.1.1-7zR5fgZ9XsIPO4IdfdMfkjflc6hZSSdqcY1HJFFmXr1Btf5.cPjUGOYfXppCBkpOTEGbs.5h4nSnQgkIiM_jtCJI4q4dScdexdiiFy7_aITwxbWRoVD7v0owbZaWNp91ikPTrL7LQU7dRoRV.sv.UDRiqBp6Bdzkwok_MrFdRlPPDrUk8CbWIgQcql5C9ydv6ykA02R8IfHvFvh1FDlJfLiMFuuSudxanUL7BcFEwXuBzAUtkIoqN3jYq_.fnKYvg1VyNBsfKWG.XC6ydX84v7K4tQcgIDwJjmYr7oVwcOGAwDQR6NDn1IU3p7q6X9bGQI38ITa8eoUr8lZSLdcu8QLVXniQKGUChR_wyBVQprp0xi4ZLT_kwiSFreA7rrxFBqEsK4ck1GUyprC7xxLDlBO6Tqzdl43TyzOjWv9MZqhVx04vu7zuh5dCYwHTKzz9uHXCTKizncGJKOBZrDVzR39mT4wCjkRH8td6NsrhhlDPVgOEiD2h0evXJ413mQkZWgjHFxhCop6yfNhq5_GhVZFkDJ89C_KRBjpCFv2x9WnKZydoYpNmRR6vvRYWXlRrS2eX7E4CeOm0txpg9ajtlLyy5B4tf86fZwbGt5FvIrxBoY8IsrVkcRJnKMPFuluGl4dWQVoyTXYdED8ZgAf7FCA8wM5XMluvjhj0sOe0CGLH.J2ooqVaJLnTN2RwORal_GiGK6PLHZrtOGqY713gGmZdFw2AL8BSxyOg3Ihq74nkt8Z0zlvmvVdKs0x49fR91G9sJOptaq28OyShLFTV08hEEaicB5ZZ.Lod1IqOlzPpnGO3_j6m7tRNmCSLz3TGNMpmqTvWjnsmiI_ylUCUS0R0aMG3CgKJcLF5.iTOOtVlm3ZHEgAHbuXMPoPo868y3B3SKOqslPLwKAfAcnR19_zDGN0gymXRY3nDIos22UV0fYfeXA7QUYyG6xxCo_rZ7ecW_KmT28jQFIl4Wj3gFTMsBG_5SmJc0hbs3ZTSME8VQ47m86ZdvsO_M.AxSGkpWPSPdtWu.pgzqv2bXvE1QmECQ4D6kTMAlkTMz5sM4wnZCqM._sEw0b9YPkcA3r6K59.7QPOF7YGIAJ6RfuuhvuoCzYs3OFe_3qLOVpNL_wuFVTqQ0fuAEwVIvLwFuRzd77du5fihauCrPSQSLwZkkfky.NYfg9KEPeL4BGG781bPQe5zuXCZK54jaJClpzhz0nQisOpmgjLU0K7FKLEZjzNh2vSM1grW7JvbeJSruGBWTx1p5vFwjQSzzYKRa34LbCTLwRya7_WeXoJ3f1Vyqx0p2Xuqeci9uMauDhnIAXsva55rvC8BYlIAysHVvbtFdEXq4I6HODLl9tr2dcTFxuwHf.x8Fj_Cbd5uAIK2rsmMtV4RRmJQcRBDrU4RlI7n5ceBtwEEQLg4acvc9SZiz..75RLH7A0zdsq58zujsIX_9L5DM1MEQNtNcqC8_iC3I4KmTYf3nqMAQEFdz0IJ6QVco1hBlTAQS2Rh6JE9gn4K5ehYZNfNtEXlKRdbibMWylN95o.VCmwMhqYNUURNy21xfDnR56G862WUc9nJvuytb_NfClFJZMiLo5E6xDjowUGvNfP0O1mNNhJVK0TEV0u7VLgI2gkh2Zxl5ohyQT9wjrI4T9EFwdtAclsdYlGrqZHgx0M3weqqxx8NLIJskkwcdrpGqbN2Ia8k4U0I1ZLa9i.Kn1Z1m2e7w_rRQvb9xaoJ8oe8ZytIUKL6ZSHYvGi0CXqib7UpDtWi2AH_Nk3R1H1Xcw98qDsBcmK7DK8qLrTP7KA4GLxYdgyME4zkUDN25VgDpksgRXhRDtxblnvabecZbPqbmWGnC23lu8C7pzdVBR5jYNkEsC7sxgxMACkFLE2K.foDNjq.D3vZEAwmS_IkFdALF2H2UgAdmILG.4ZUodFdJDboehMc_krVgbIA85WTLHj19Rgdhzsc_QhUmMWiEGHFpVZx6CF70n0cDORI_56u.fuUhZlosI5xAAvLJP9axdwTAmPhbuvzQEggBBL8._do3dDITx9ZggKRSt.8L3MBuvaCCLo8jeA70xj3mhg3SwIRI6N9GruXcgB2tVJ2TnfkcPpGI292.UD_9vcSATWg2F.3EBeTyQpa7f4MzAPgvi51IcP937COFTJXEgeh0BgUZziaeo9cCPLw5Yt_xnaJnKZW3qmPKR1.TdXmprXji4XV6JM29ixEFTd63vELTYhv7ZF1gcBiUc.J",mdrd: "zWI4T1uZBNsuEgwYVujob_q8cWZKqeAUb9gB5zS75wI-1739127654-1.2.1.1-VbXANY8GZlOL7OKNpR4LJ0YrN_ZeyQy4gd2eP9r2ef4TVC2zOT14AxfUDcMWTo7aGEYEtQNObFB38nlpTKvd.7sqqj20Z0hSrxcrJ.VhCWyO7l4tZryZiO8CxIrCB.uT8A6dTzjr7ptnYP2VL3v5jK3jE6vOszSxNlEIKyaU75yUDXM6BMgBzz557BUFth9S7rQ_f9NzCigyWys_4TZSoOOSLiVFuhLYT44JTXP.zeyhrmDiA96iLaEPxOqFW82tYwF64aPsJAxL8rcxSiB10N9f8fPgFX7AKeQ.NH7OxiYMcGjCI.595YXBK9wWyMGi0lMTZe6iQR0bQiQuH9bgEft_1eNT6BnIoRzNq1JzQL4.eLKPcmmPRZipPfNmhCp80TmJuaLmimz05bn88kH4QAz6dsLsaISj3urTmUpPd2IdRWevAEzmO8AEC7.0yeK8XWmJzIHQcXROIZwyl7hECOUmWkx2ymJn5zaWIC1b1qCFFotbixDwOXVi4Tzg0wrbeZ18mlO71bOstgx.4hYJxtayD4Q68DJyGFzFbgKdZr_0.jMhFjSfPtyT7GfwfhTd2hxTaKWamPX7IbqSh.Qq6TuIHiz_9cSZxpit82H8.K9A3G7Efy005ChvmeRhBr59VhjusnndTofjW3jt191L5wHFg_ZqO1SPkB03H1dP7xP0vvxZ6Euld_qPCRDZD1nbP4fRoQ4BClhM9tIJUEPtEzE4T1QtGcFdJvmnMb6Jzz35WhnNR61L3aFSVCZqhfPNRdDnGiSFW9ZQ8msOeNuliOoSIT3aZtOJ63lEuNijjHU_b48qGGYHWdw3EGOzcvVKog42b7FjkvB1zyMAVISRPF44AMb9B0vbN6NWQ1ziu9JWRQBnT__vsN0XjH6Fi4CEhRbcIKNnp_HsC5FS9OklpxklGeq87FD.iSCsJTAsuXNt1ZTZj4twM8R9obtm6RNMCHI8PM1tObbfRlTvebm.KV92pkhULSTITXYkPcs3WojpKAvNK2t_YDcJC8ofSRq0TfkH6pk2ncI6rk57o0n9XKS5wT.mPlMc7W.uhARcgkTQ7xXzaev_oln3DkLG44BFygkRXlSta1rV.W4zj1MrFfY0ZsvVzc5NsdUssiCWMeV0Dm5OzfjLYLd126P7_9AkWZCrSggTwCYjTUws1RuJOeU70qlEn1_MbVK5AsGSuwqMA8TrIkNXsH87EDUdLrOlXJuYwW_LLvY8Rv3JTOEXeyTeVi0vIb0jqYefKS4zMTFGmqdlrhwGzbYGyrGJ7SpOiTeysN3ow8nmSJBhbr4T.8NboatPaJNL.ebrLu1CW1F55G5sFZXGoeVW_FV4yVha1dW3gKtCHzXfxNWxTBrqyeh3I_qvdkXiFJYCv08jqSohL9Dx6T0FxKefUfv8vVBC5eovScOdQpnFaEuYsQOEg3rI0M8B0B8W7hiz36vaWBKtFf3JAHBdcXu1e93qnlkyQfotkvkILVnuxo6AOT07EvxkkSG6MznBvuOrs7niyQeJOWJRfaoH7Fl3pjaSbzPBcgfQAdObLMDbTKTdv2SiUCV1NYovnMNHaq5lwQDZFum1cUC5odCMkMCVieE5Q4W3KmYyrymuCR_rIEpZ7gGAeAi7Szm_phAhlpAXNSnQLYfg7eojf82lGH9VvPhEkvgHDJK6y30x1AeDu1oX_yqzN5Is.nR1mP_xkw8IpBiT1nYPuxT.NLhaZ1D1AWvqVNOvoQ1gFiQ.QIp8BmCZm5X.CKkRmAowukUbCwLBPG8tOCiDeEFGFeE6mWdJy_uTTZKUDoPxizM_HkoiS42wiegxgNapkTCn289DxYf7hqgJzYY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f61ade5b8cc5c4';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\/5269143807?__cf_chl_rt_tk=G.vnQebuy_MxYOJpNaAmOP_4KnCN1KJ80ObsHYvLn.Y-1739127654-1.0.1.1-ZKxbueUFvLkZMgrcMbyf7egoW_5o7L77WmG7N2iX4Oc" + 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