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-784998707890.mit-edu.top/post/7842031956

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-784998707890.mit-edu.top",cType: 'managed',cRay: '90f7b5b59e881737',cH: 'sxx9Z5bjtwZsxuUtDZYnuWviBVQzE2vc9NqKP1Q7L.U-1739144482-1.2.1.1-ByfhsPe4cBRE_zbPsjVVjGNin5czO_gNhjitcmMJaGAmu7.Y0mXXiNSzf595J2yS',cUPMDTk: "\/post\/7842031956?__cf_chl_tk=8.4pyq86n0fnG9p2POTOEfBNJLx.LVL7qysf.V0u59A-1739144482-1.0.1.1-6RP_AM1iTyoRNnuIjl1Ys.kSPNn_ZuJVcDV2axkexRQ",cFPWv: 'g',cITimeS: '1739144482',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7842031956?__cf_chl_f_tk=8.4pyq86n0fnG9p2POTOEfBNJLx.LVL7qysf.V0u59A-1739144482-1.0.1.1-6RP_AM1iTyoRNnuIjl1Ys.kSPNn_ZuJVcDV2axkexRQ",md: "7roHk2wZJqc5sV2_M1HFgF0q8THvPL0bpy_Wg9gDqQ4-1739144482-1.2.1.1-AZP_KLDu6B1XPO5.VoUV4NoVfh15S2dpFmXtCytjbaovsacRxC.CNs2BXsAuML1LVM.b.XTr5Azl4B5wD2Fx_Ho14_h_NOCn7QkFH5shL4pD14yZWXRDuynYQSnHBgjapMUE4IMJyb77B4WR10bOnLA11k1tJP7Dg_5oYCRU.dGg_WU1n.GlDdXlVvWGq61LhhGxLIyHmU2wH2xDylmpiuTDrFVqxFa7lzoijQuQ3a0fovtikhL645.Pzrg6NR3ol3NYFUb41fnXh654Idr6gnyD9WmIBPLW.SfHSC0meiQ94ZJNW15sTYxEcpUPcPO4X39C9orTHDCdRBSjFGvxdW00AUJmszR61K2jLhc728p9igVpxsTtfNbODp7A1o2CFy5El0VMsZs_OmKqB26LrDvKssGxO4.0TmZ2gxBmC7n4NQNgF8Gi7NLz6UjxLIjwlRlv_DjhnS6K3sJkQYtmSuvtQUProkmljzv9rrye_x1yDQYuwPb8D692pFSeak.bReaWv.Rgfrvd_RCwD_4V_LvTkucgxUYLs5XkKW3azf0qxPx3fOTZ_XpOkFHIpH.wfEWAHIcbI_psY1MtAOvtZYkhu5JnxzwVKKkS2MCMvffg742.Pvwb2F8vTrjAKwNcQQhVK5PlkebLguFjGVy03KRtpIRq8OGL2oaPJ3vV3oA.WMWtrElkABqGDmlglIanfEKYz8I1zu7RHpKf10gzuPxWGh8kK1mcT137c6BzZqa364LpfUaGvwX9l2w0esPQGJQ6qBYf.LK7raOO.fp33Kkkw2eTpOzvQH7BhzX8x1yMq_Q9b0tIpEqM.FKkkv2guTHLmbxF.xjNDitmzisn_xRShaakrKAIrc4d.6egFKIpEUA1V7xQH5j9jiIB0cHm6yAaRQ0QRciUVo9DDxs5S7HjkvVzw0.gCqMzDwkWbEUi8TuahO9c6ic3AjHmn382O1S8lAg08VNEqsOCnoGeX5ENcPKlFclgdOqqGP29R74EgG_8C4l4KpsvPY0EYJ.4qkh8ytoNTcB8fSpRr2f7MT0Q1tnCrKbvmEs6O.fsiUjXF0LOO1MIc0ebQzWYrswncof8_1JcYzZ6BqaeYUSGmzpFqz82QE9J_jBOTSlb8ZWiQbjHQ7PLxLfuc2sKNQZocMjeq2SPHjppNyjW8Wmk1dMaI1fm9kvJL_JdS3Lb8bCuZi5miFNCdQpU3OAR4.pEZcZxyX.st_8rZPcIJdypS9fpVKvZv6XpJJqmMp1aAf77Ktd3.tTeHeBSvycVCSIG_Tt2b0rZbziHGm1J.tYcLnxlrIR_eyakoP2iJ816sVR9ZRyhn2kKm6hirxKzWcNVq.uqG63qbBwinChwlfIMjh7yUnyG34ELSJtS.XPuaZq5Bb56Ot8USn1eW4mlhCSEddruGB0WuuKwae6tdSqtoRgFCkZ_DJ7ZHjne1_WI1MMteLpxn463.c7gQ.Cu7dWgE3O6HUUbpRuR5DQIstUZV4soDZG2Mrwt3RVNFdnDUs5vd0i24OPQti1yR_pjPS3kUDzQ9TB33GZAM0Zl_aP2FJifu6Tka49RMJMdA_yW7.wSeZtO3TuZAOYk4dZ2U6wpxSPhYvguFEsXRYNJFcl4hXW8xJwx0IctWgM3thujPpgYA_gRfcgMdR0iIkkV3LudQ.q7kvEqiru0IX0X0PEI7tWiqgVfpYrubCkPGhnEhWH_ztxZY6U2770Ni5Aula5YgOTtAG02yprBPkPRjTZbcZGKGeb93QpYPfcKR4DJRxH9iUHxsDrPkkWTewwJ30jfz5gmgGOeLr3dit11X_vkrkhgG5sC6ykOKleAcxuJiYxOcogtIegw_Oxc0Q46HI4iJdzIJQuUlEs2HJX87ZDfRmWPwc7n8ZWk1dkSWIFoXm.YVkxT0OKVrc.oBiWt2NMDUV1n.jlEYComwTap94BHM46TiBWZOgURM2AewyIodrSxw_7Lx9LoF8hqlV.f7X.IIAUpnXfSC2YQzCccffL58p0LHhALrZ39zz.pVgIb0sfuVkFZMr1ug_G69LiYMkV0EDXZIUatVh1ccvoUTofjGyEoiALJCcAWo1LRIrkbHvaDxbobQKa_f_YFS.7Y.Rmd89UqCdwUshoU.xM8ITAES2JsZs.b6VP2i9wliBJYxuQSZNGi4QHTVtRYylP1LtIMBNcYbHwAlMOF6vTQLU7C8AL21ESwlK2y2_0ycx5G0kWdKJu1Rcb.1TCuXXtVqfDE",mdrd: "ctgWQfhe.Pi4I3Cbg1uzdyF6ZpVtljKeyW.VbOPj6c0-1739144482-1.2.1.1-VG3a1Cta.fU.HgBZaZPEcPtqEt1GiaVgf11uig9ovbLXIWy_9i8m0JM_uD5biIURZnCUdlHb1s0rCVWBJTKe2MkIKuYcJN60rDSlWzoHiLbhDqgaF7DJUZAd.8hHzaTwRk7rKbW3G7VpYbTbkquBNTR5UuZr8qC357VTy1s4k1wufTW4DT_enp97AgHT8bXkY3.QP6gHaPRD0kaCALrTnIg8pWyFGxuqP38A4WScVdKxfoIqxLNTaTD._uqnNVc6oUcxICk9m0CgIScfloV_t4lDDPMVIXkgr1_PSZPoybSuzk3IMjsu94SZBLlFj63cj6W7Lweyly0NOasfOZ.uAyVPd4U13EZMiSyEGTHiO.82STx4iDCB8uXXQyfG.U5xC8aX5UyISI5hhzwApLCNv.kQgQ7L6.5LzNHmS4_hifCBThqjec9EEi5FrlkhpKf50JjYBDuEizMrLjyYOlpTYI1nvnO0_HG5DK_RO2FiTWw0VHZNmZiNmY3.f7b8SXP7jYPbl_OsRm1eq.1pDlYMCYYBT8IA1BlftEWA7vD3q1KamuQ.7CB8tuRcg91vZLTOa8.HSrT0DczAk4BOZN4xg.PVbWsutISFuI_u_IP4xjKEfHyz7VYnZ8EmaXVEBC3aRvr4nCOmX_oXSgNgHSdeDP9CoEgZRgzaprAg6xf2cjy1xUwMp_zfJyNDBJttY_s75kQhZOFkQRTLxldsQ7_Cxt2H05yuRxVjNH6DsEHiNACBDsex_CucvtgHg.dwJO4ds_8HefB4VIasL48mfDSZsKlF7Kz9LBoRbAMHS5CvrLO7ivXJuKNzYfo.PxbNeODPeZFn4OPMyiuPTOGY70Dta7UtB2xPMRWa3B_1g2Ny.WDIAkprcWLNGPYIpTSjsqIjLZHXADYaXy9afbwgrG2.x0gwEVZCOHzGxP.4r66I5Q6CqWk8oDdaeKV4Lz7weS7E8P5De_PwFZC8NhLkhTM8nZctiPvEGvX8sNuTruG4Iu7I1sGSGEOD8IwBKg3FKeSyN1LhyzfwPCqydY3nXoDBOKMzbCox8eIj0AyPEQJu6HZ6k0DEQPCXQVYagOUkbKEZb6J.YdsgwKbzmzFfH6ASo5MiwXL98l5yvBA68sWOqQJXysQ00l1jTXA2hbBfi3kwd9NA0Xhj5JSEcijCx0r4sQHOJpD5FF3Mecdk9SY0AcNMOgQ556tcY2cxmnD4AvCe.kfx1YK_5d0sDEaBSdV2FDE8WCs8mvc4AN_6Vr6Tsu6hId4rrqmG8EV4CvM8h9SAQxS223AlhkuocDez_wEYR1mumutkKuQHqbBEgVyR3PYDj.5AXcKzGLbf6yxIQ4uMRpwa.LJqft7.zvweereKyMbwQpfpCLJWAPQAvSlX45lLh5Txtc_LysElA6zGxbf2dyOtWsHxTp5QP_Yer4llhCqLeMzfudhRDkjmtydphnXDQhBZXrGGHA16RmYPVkW3Bh0_gLCZugmkGBlz7fcLQqn8dciDt168E15IOV0oD4tsN4JVmaslIzqGjcOFgezvGgZfMGoB3yhJuTJmlhtMYixpay9hmHU6G1jWzsm8R46JroYQi3WNMqvJogTx7FQc9lYSqFMyLjTdzHGQ3EGGOy6FPf01tHsuJpjvEG5jZSlre2BT1ZMLgIggYYapEpMJrrYUACuLLwVw.iBnX8sJys8Z_HaXiCR4RDCoMwd2P5XcgxlQhI8wpVjk89vTMDYn9bS8kSPvr7DFkykq44QAaQNJrcTucmBwUbZ4eJ6FjtL7eXwvAHIdGBv7intk82aa3gyfVWXQLQeRuiNVyR0_7dwnbQbfgBOzDdIUSktYfBE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7b5b59e881737';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\/7842031956?__cf_chl_rt_tk=8.4pyq86n0fnG9p2POTOEfBNJLx.LVL7qysf.V0u59A-1739144482-1.0.1.1-6RP_AM1iTyoRNnuIjl1Ys.kSPNn_ZuJVcDV2axkexRQ" + 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