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-aff2l10k4.mit-edu.top/post/6801437529

  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-aff2l10k4.mit-edu.top",cType: 'managed',cRay: '90f343ecce11e5b2',cH: '83S8hCJMbpcjRKVR1UhIWUCMpWJD8rmvjnCaFDa88uQ-1739097878-1.2.1.1-O5RgOwNb4QnNMgTABT0A3U3y62Pjn0vAYOt79mgHC38SsBiCTngNL11G1wa07pex',cUPMDTk: "\/post\/6801437529?__cf_chl_tk=VXEbtRIKjdco2xj0vThuEXgWLDIV76aceXdeaUmA_QQ-1739097878-1.0.1.1-fUjKDVr_iXgHcLkMjcFZI9C2jI02yWI.FJ9Mr_.gVOQ",cFPWv: 'g',cITimeS: '1739097878',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6801437529?__cf_chl_f_tk=VXEbtRIKjdco2xj0vThuEXgWLDIV76aceXdeaUmA_QQ-1739097878-1.0.1.1-fUjKDVr_iXgHcLkMjcFZI9C2jI02yWI.FJ9Mr_.gVOQ",md: "EN6koQzbbz91LmMpkg1L4QfZ8JGVTBJsVXvDsJFusHE-1739097878-1.2.1.1-xUA4d3IOUVFrRAjvuuc7auenvxaM4QRNsN7wlm37P._u7D6m4kedb8OXZ2XBJZp_xLd52eGxsm8g3HqI5XRurBghyxXfUFBUjDwev939kVyjqZQd0eAB8TKnQ2zpYORie5FKYyumNdgEslSUbz.Ctq3ChnqQaWnkwSPpPja76HgGKbUpLtEMF63CQqWlO9tG8fR4IRC8vZ2RVGqRzkFuXuVHzRf6XE2t_VvmCHHaozBtiz_YszHQWQVOkwm3KJFaW6ziHSRX471g4Wt_bhrRw5Zpm5p2PiRZbmqlc0uRNN65k3B.mA8QThWxcUYD6w1t6yOhLQiPIVZ6Ahd8LS2zoXEhVYg0NFP5mBbcoTY3hL6vYlQar2T105J2HqAogi6dXGievZzCfvd5Fz2HFUuzeur8XYiNhSlIVTzAwoS_X__XbSeO6uvUVNZ49sadSCoIwBGdBBBPQ6fEVZceu5GQ_BcGEiSPByMU9ciAt7Cd797Cw56N4e3LSShxDD4UuU5qOCiqgoibsmY2_UhZyNNoUfdPA3ycHKsI8ceRdB.nAq3Pj0DZkDbnpYUfBU5X2SwefSZF8AnCYF4a8K7PtlcaQ9ewVqIJpG0Imq0XmnLiIEESM.NkRWK9Hohhg3Ajkcwye9CnrrcfhC0lur0S2KK1uEM0.cR5uGSHcdZKb71BS0uOf2HKdVthcvDpefFr2aOCHawrwcX5eVpT09VbIsWbxsGrPHkQMYPpcaTtD7O7XB9FM2IHeD1RDYCPql.s0TDE03bWyOTrRsD6fv2zGSXNa15EVNSg16ZyRU.LIiQ90fn7fnTatQ6Z8xsXta1664.7tfGoazlavvc65sF_rozNN55Eh6X_fmud7dLlmSwn7c0sT2pUX6QJdFte9uJJTStVI8KBCOgghKlt67OtpJhceWcfkPoTKISH.pzyUiYncJlWLYSzv5GNCnJINuJcD7kDwQ7z3jvJPOPywp8IUpGlhvT.lAmUKn_1KD.gEF.K9Rfk9l2KAdkIrQxcGkFIHkStmvxdNNumAJKkPB0b72512W2A4IfnqLziezDm.bumx3PUyZTA7i1oSr0bC5XHogsl_9ht3ayWh960IO8SwCNRW12rdOQIVMjEQadDuRlsHiLjARjW3Sld7VO5QLatLn8hJeHguacQZst3NuHHzFZiEviitIVTyRmJNgfonhFsmoD4JiWmiZ4Y68J_UNfnXR72eLMjbsJmT0l7jWX4rqyz.dElv3xMYmpck8AyqYO7T6stkR6NEa1iyQwN8YIZj3t.69n2htBjPAopv6F5rTP60vWLB8RnCaa4V0BD5DZwrhLsLpKojn.zXiTudmfk82RBC2mfdCEfAkIl08FjmNvGSCxUymV.sKL.WQypYWcxGw9eG_9cg4NFz2PKZOx4By6sbFG.gyVWG1.d.O1T3iDOITga6qg5iR28f9MXwIFb7N6bDr4SFdBzpQylP1lv.r6BUBJj_Fn08b0xk5AQwc0MjU2tgwonvNgYDbbDNIMsM3OfNTAPxPGg6TRtqpGua6wg1ukQLWX4ffzyG2LKzlnFhdhj4tVRBG7yGq_5eKrB.D5SJdQDNfS4woq_xOOFYI0KZJWug4EIkVug3SPvrs7kvZMjRzenRjUUszRLt89f9_e6LtOg6ezE7jmIntx6IHTmXXIU75z5h0SWRShfOHvtadq.eZxfdEbhhI1OqrCPaRr_s77YIYtd2_1LbmgnrWDJlW0vk6lRyGMbQoRA2Hil3tPQTyNOZBhdYQfJuEhe8m9yyyWMU_ZGWsnO.NU7CYULtRs9iHNXK5EMH4I7KwiobsglE4iAhmZ0jEJV5FLR_sgGlZpE70GqQDd141Qe1zYqjnmuyYiMPgvjMksEswFOSNU.RtQZohJI3uCD2Pmdl4KbFcvGcn8w9vhzFn.rQ1HbWJcTuHd4sjtr_f0Abe8um48Ko_bPwCag_QK28neU9M5hN3_lj2ce0r7Prb.NGxU64mRkTxV_dqhWqX4NRfd5v1mYdPrXZw38WEW79y4kWUZ.vzMitBQfGjYuTAC3ks46efXnl9x.t54.Wtl_bxnCggRVCcmXSkPcFbp8i0F5lFj7xcP7yP4.MjQbcm5IenpWIjMmAKStUSz3CHx0eCstjRE0o0tV4JKzw5ZlDbNjHQqxOZbMH48Kiw8_G7D_FolrMfub5EWskuy8JoBweLwOYlG7xzMLfvOAoqFk9jsniheHB_xRypQNIMZtS7lFt2ib",mdrd: "fpjPibfydCc30CGZxvCP3wvVS7Fwb3unYLg2y975vz0-1739097878-1.2.1.1-anlXV7xNzhcHHCRFI2HXp3.snmBHcPXo0OvWbgjFyWQd_lG6RLGVPLlQnXaGRxZ5N.GysIhAWy0n_rk8qpk_A3WmlfVLTMvqb..saYb39BfkYww_OmZyBOX30bybZxGKQct24R3YTMbcxjARyj.vHvKDCWJIzw0kNU2GalVWiomu93y5YcFaibIdpNA.NH1tHqo8QMf3Zz6PlQw3A2aKCL4Y8iOTfBn9K.ySltVHcDqLyk.kDaSmtHPZoCF9nGe3QfgVqgfScHYNiaDJHj7KsSW95cJVJfRf2DEkP_hziF_fT5bnF6uzh6FEBTvLusnXAOZBLJ8VQEJ47XXOZpY2LXVW8q3b8nddPIkpYOGlecyR2p9jjYPG1qtLKCaptMzKXC7O6X97I7ioSN0Y9M4OGS2vtChVXTspvuR6gNr5tIYeW9pZS6UlJ7AAwu4kz0vZlPCNIu6H_D7PVA0WRfe.422DkWBrqoLLN9kz.lf8VoyHKKIADmjUpTZOMemyd4O6PsyFr.qRgC9N4ACMcfBN6fKQdwf1Abu9YX9EXQrv1cbzhGDlIwwhd_APRSkONsBfa7_8PDMZPxOxUnQyIuwTuWto4cWZ1nZU4AwJQmrcPlFAkM7dX1zVXS5AGUgRrJFXoV4wcAdi69l92O0SNCIkyZLlXZk9SR3Okw30EERKVS702ejhId88EHcR9nx7i4HHJTdf4Tww._7e7zHqzLVtxOxX5zVG4k7lp5wxZYVOcjGqQBQJZum01EgfwouscGbX_GZgp_KeSL.LtgKNcoHv0sYTzqs6KgBfX4qhfmjCLv_Rkum3X6vsn.u1OObe1Z3qEZmtHsmQNTC3hFrNXKRlQGA3KjvrDzHx6orFxnLP4CjVkU4_k_K.qj87fJL9PF5f11It81daOTrV0890p4PO5.IRVan7M9qMM7Q5oezGEIhNXkl__DpLdNAfouWvntRrUflsLO2SoFGzSAeDIWVztBXiy5vDU3fqXw5Klk7NLJIiIIoaXsNwINPC2eeLB5vZT4kk.NIIhAuLtRmWuxfD8wx2hsC_5AcCFYtEaH0H14xbPUHshQz4d4ud8WuV8de1elJ05yEVIUBisKDUhrWBAf.4eRZl5XMhWpZaUtjXELG2oG3wl0HT_hBdbfETqwVgO39fFQNublgymADq0AT_epRiFHla8gTrRpIhKS76LrvKjMMeA2bZFTOshKnqOV49MyQC.49ik4jg6smRfatalFOTMs4qlgnCesm_YD7WUJ11sUhM1rzUamg3uaoJQEbKFpZ7qfKrzVc2WjGoUdAdl0JPbX0lNe6uc_GE0AN285cgcr3K_2SO61FZwnsmB8ciKVWC17KFja6R1s7RNcV7jeI9ly6A9YDSdRKSbqjlJZ33VNWPzGdls.Pr.9mpRxv7tefE_UmATx7ETABVjdmfyW0vUGi1wiqY9mYHZlXJACEuF3J10VRjM_rQSb62zkMKeYMxL3M49BlyzznuYv8UqvWK__7Wn.nzyH0fRvudw3IaVFDKEnDKVwAXLIVYe3JfMZry9RiKgtm5YSKFgblSvvGqJMb1trVulOu1epI9T4vjp9tD_ot4uNxQvT4IC2HbUEG7kSx34AasIScetmrTxOr4eLg_8mi5Y71LDDtaSCikRkeWZ2vCPtAXjwrv5xQAhy0zo3vlbn.ScqxmOnTjBor8Zf3cfli.3AK7CyqZQMq_aS7CFnpJGXo5hwegKckwcndR5yzkucphN61512yuHoeMR1TwFIDjWACyIXjD13GhJN0yhy9MyeW783s9JZZQuvumMFQzaOY2HYielr_0fg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f343ecce11e5b2';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\/6801437529?__cf_chl_rt_tk=VXEbtRIKjdco2xj0vThuEXgWLDIV76aceXdeaUmA_QQ-1739097878-1.0.1.1-fUjKDVr_iXgHcLkMjcFZI9C2jI02yWI.FJ9Mr_.gVOQ" + 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