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-443486153389.mit-edu.top/post/5193678204

  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-443486153389.mit-edu.top",cType: 'managed',cRay: '90f3a77a4a12173c',cH: 'X7FD3M0JD3KrZ_wemXGY3rzcas9VRAwtC37JCs_54JQ-1739101956-1.2.1.1-G2.vrVnd_Km0sMd8EJNw9GZKHxgI8xoVVa16NEYIxEpFHSbcTfYaQYEusrIyUfej',cUPMDTk: "\/post\/5193678204?__cf_chl_tk=TWa0h2oVOKJeZdLwHkY5L_GFrdbdijf0h6J9j2AR38o-1739101956-1.0.1.1-OtPbDXxZxX8WzOJSBETxzghitO6bocQ6hWIeYjmdO4A",cFPWv: 'g',cITimeS: '1739101956',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5193678204?__cf_chl_f_tk=TWa0h2oVOKJeZdLwHkY5L_GFrdbdijf0h6J9j2AR38o-1739101956-1.0.1.1-OtPbDXxZxX8WzOJSBETxzghitO6bocQ6hWIeYjmdO4A",md: "eFX1772skcsvP4v3prLUua2Lu6JUJ3e6BuuvHh7tFvc-1739101956-1.2.1.1-hJlH1fu2HpS9ILCYhJYdpsxx9ENwzv3EZfUr1uOuuY5ymT7vboA88R6OUuIci9zSo.1UNzvxc6n7Ih0m7o5st92YJiPG4qrizPI85h_GzJuRx0FBzs4QtsCfkSnG8HW3RLU7T1MOcxO.39nC1JsBzqAQe.BNezd8__oX_.vRSy7RcAkjEbqGVWvkMgOdoAiTT._KPpSTKlyymXQ4HnOpvP65Mt5SUyoz95hFkY4J1kOK47FIUREvLYbJhSDyzZD2ye7CD4q7Pi3.4mKEmakGMB3CusdWZCHntMyqpkVuIw6FZh0KOj0iwRqVM79008LPbc2USxSlRivs5ZGJozRKUK1mYCm8rQotWgSGatdhMjy0Q2wAVvpgI.DXgnbbL3hu0UwIsKVumNq37t4gy68faobK9VaKjRse248h_2R9KHXAQjHWIjOxd5gBvf8raYKnt.O5Yp7ziM78LsF5qdzWvaRhsMhYyE8011qmqGRuFMq3wuf7csF8.CDvLlP.8cOtw02V.omZRPE06cXKLr.rXMEs4nAnqANAJRF.i3Oi5Wy0i5y2qsiQ9AGstC1tMTtvzlyQ_H0NcEBKiLgYY7KS9p6V2iqMbjkT80RPmTDHryqKqfj9vZRN4fWwW6pF.VAuSKzIrMRW_Wp4PpegQ4fDMjFSEE00YqMMlfQbo.GdJZDG4j9sZ2ctKA2WE3fQpGLbalOiE2GP3RQDUoYzuxUuwpWDzDrSnIwFVpsvdaWzTDJ5MjzJ.fEV3W.1uWvQSkWlP.HglTxqtTBuC5rXxF737LA4mFUEnC0VavlpfyuXlcdvdlj3ymq._W5g323OSJutjyo23FyQVou8i6FQp9zw6rkMG20LPfIgX0gIqLUFWvBsG_B8e2bLOaS.0REGgSXCFwlJYGO4cI8d_l5hmDKq4RYgs_oD.sKsiXnTOm69q625Uj24W4PjS7QYMUDO4Ro5TtiOBVOOg7990vZ.5ZffL7Y7EI93fzXgbhw_n9C2UIfqUY9KyngDHZqjq10r6EmlTZEMc17BdCivy8vQP.2ZzD4PsiHy6kJ5PSDeZtUHVfVk7c_w4Cs22Qj0SFP23fXAUh5UoaGyF2inV_NjP0UPUh5XnW1ql7MzuUwpHW5mOPBgwh8hEiYrDY1ZK2EIRcj8.pMBlCf8UDRDo.LG_MvCuu58QvDgmpHC4HIuDgoGoyWhn9z4WCOoO0PY3cgaNAdB6OGscaWpel2iawna8Q1tbCflMHIMoZcFhAeuv_eT9ZdVX7HANLSGxxSxQgSGt2QpiWxY7fOYM5UD_AG08qMXsapWTr21HnhcDMhCKg0DNkmHEYS_3imw067O6irspA7ALD4zbcca1d.q4JbX1LpIAeCCSnR_s1B.bbX1VabVlIgw5XvW6ZJpWjNIVoPnHSROR1RmB0a8usqIj4vO.TEcTb3Rbgy6DcaxvzYuhjdOB_CoRx75m..VEDNmF8zZ2VR155SJ.FRkWJqQ7pAByA4EKDmvNnQjixc_AgXUVlno3AxScaercgZvbz3kwxABZw5B8EG2feqdG4hZREeeGv9O8sGctG6snEn8T6NoFS1M5GqsaHo_qadQllGmqvvzJeULmNTlm.rUH_Xgxgf8gcsH9PL8I9c_ZZ20em6KIQ.fBU.uhEOjulUbvL5fiBXklKllL8HqwXK6PeO5yXpt.iUCktruDwS9l0xbMrdJRhf85Pfgub14iBIT9NOGbtYR2PPJvdcWJa2JDvJvRavsWXfw5QzvHrp1TrPi5xQEU1MNXQjp1i8eaqGxXRO8Eh8CeQ6fcX5yd6MefNWcHoCulfTk1TIWHE.WiKZu_lEHATFe7IxlnVwatrUQrJoWHywA_FCleuk2wRvou_RshAnlnn09HHP66Y5hP.zvhkRj59gq1bIjKQMGPlFjRby6rTcJ0P16do3Bquf2d_crRuR.7lyCdRUpGDtnxgl2SrZHGcBWENIJZaOe.PR5WEryS72f471kuK6ILGUY8ASCppx5pglfY10DyUcyMjlO2.p0Oz_3cAPalDwraNPeeVGfzuM5Q896NhkwCFkzcT2xAhNViBVmzT46R.oDgBMubXWGhSCj9a_fmkQuzcGn.R02wT7bBhw0FgYMiB6WWgrM8bIxlD8bkUR4yVLxFq942F9iVqpH2K0FYQZ2F599NEf.cauKOSbKljwr96rObUkaVMxhgxXQqVLR8vRNchElJ1_tTh1Oshcf_cy2.uIS1mPnY55YlU.P",mdrd: "gnUQDWCtGb7Nbnwh9J.LJob7il4oBhXTuNKiy9FrHnk-1739101956-1.2.1.1-nIf3I2NGJ_Z8AbdMQAhCY1JwB4O8iYrEopauUVoljQ.y_AzbliaDwl0SHFKnDsd_W.GiXqkBXzt_tGa.NO2Gsrc.H6fp8_MFz8V.KWMP86gn8IYdHuq5OGrG4NFtgk8BdvCXYlQs.zz65UjBMNjFCpreru44ly0pg5kknkISb1z1gxlrxlqYvGZl6zj082ZHxudJbo3QEkvguW4hZKcwMiPUBjNK37UYjV09UhqX9alG93UkJWi8vCUBsoPMmK0TtEdeM6KQDnIbvxaZrXvDtVrhfNHIEAypysgW_JhzKeLfDMicxkhF5fl8_mB4EgrPF6h_PKecgEAK7oMMmvHfBhWcCXaV_vQLZBMgyUgj9nwIIkyR7adNAng9RAENtJM6ytTFixv1mm5G7j4BwjArrj2D6bV0_Luy6Zca7iEJBdK.nI_gMGnU4TVR0wHgSnnaGeVWUS85s5_4SSjYJ622OT2OCcMRKKk.8a49EXqHtVvTonILo439lEx_fk6o37zVGr3a9MjR38myQxUdO6Usdt.4.6OkDjr19HcKIyfAv8dZGodeLaIu3walPZN6wkyxJ9vVubCl3hxkxFREsM6_QTbCPxdAzfaUYIglpC5rP6oEjI2_0UPUrDBHKVjqZeC0QlJh.hOr5Q65XWw_RoLvizGW0fxe2oJVTbFn1jWE1_jv63UpbwM4wTBVI8maj4N7oORR62E_ZDtFSaZ2BXyVfOWyaf6ztuFabskVo.06TNp0drshWiY4XVdsrvhWMkoQ_mzt.eIe4WylcZkrlFKxKie9.X94.bvA0HQgliITFzPSCMu75oiKsZXxShT_UAWmfNInKzU5ltUlOpa3.5RAjcMKSqvegfQjYdNfwzwlcif1LMWrrlj6sr7HabRKaoROZxdA_jQmt3bOfy0JQAvMOX2pZXyXPIfzk3GOL4IgjEQjEImu2fzpRqlQwxuOQrOOY8_d3ez115BdinUrRO56JL8lVYn6XmlAK2XB2Yisv6ubp3JCZ9_ooofXNS2K5kLjJry9MGsJzbbMmR8lJuRL_FXCLgc2QJFnulqHp61iBzqYS4ib0hCYr7CjOecrMDwo_TExgmSpc0zFfgbx8TrKaP0Is.RyX5kxS1wNDCZAOVY679iBrmppSM8wVwBySuUMBD7TMUGBFJTYq5VeG0t8rh8d39oWb8wvY07NH2UU.mG8EgxojH5pke7bvrLGvWjVua2trbmdMBUfui3HmX1z0oO2ud4lAQY0d6FQVKmn0PDVLmqtwR8B.pcOyH_r92SDKQxMaWtnSMA8XLRqS3yoWFBNMwtGqSb7sK72sJoVx3wGwbmiJa3tDPSEL7hflIN48mNTZSssCvpGzsaQFhtpAs25QG9vPpvuoav.d.DjFNh8.s8iCq.Wtn5lNlMs.VRhqyIP15OFwwsaDDcirfPk6uJlWA6RhHaO.JhVIF.duPX3Ym0bdX3aZtJMEgmMuCzKvw4..eco3Ldj9dDadNkZ2aGBjKwBUTNe5G0Fwp_1WWPP204W5yUeSRnDzbAmZQ.K5UQ9o7Ko6g6OSaEFfCMRFghegVJTwmgr2xB5qUzlq5Zl51UNRKAQoTLFAj.33SXcayL.2pw3.i4kOwOXyGOaud1dUvH0LySOqntqhnMvFllroM7M_2CNyABR8rujEhQhGBpF2qx74HvG0jYbd12QnCUcH_2OtwHZCNSPry.uOlMDWRL0PDJkGlrU09IpnDqtK8oi9c_Pnt7kLwSR5EWWBEYNdX5PeoqWju275g_Pl3YU10hlSdU6KrA9bpDmBlDCFj3XvsSSZB4N_0JpGzgBhR9ZhLu5cqEQMXX6dcTrgWA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3a77a4a12173c';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\/5193678204?__cf_chl_rt_tk=TWa0h2oVOKJeZdLwHkY5L_GFrdbdijf0h6J9j2AR38o-1739101956-1.0.1.1-OtPbDXxZxX8WzOJSBETxzghitO6bocQ6hWIeYjmdO4A" + 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