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-aff985k3k.mit-edu.top/post/8425306917

  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-aff985k3k.mit-edu.top",cType: 'managed',cRay: '90f23d977878e61b',cH: 'z.DGQYc11ULuL_WKthBe0GvW5Py5qSNGQqueQw.T_L0-1739087133-1.2.1.1-UA6OPwzQsqSCYn2I5OBjCfiyDkqkABxwkNh_T6GGsE5FcA5Jb7LZXm6B1W5AV_p4',cUPMDTk: "\/post\/8425306917?__cf_chl_tk=8rcWOLRmgl1G4z8xmWlnsJz48vNnZ_kmCEUf_A_hg6s-1739087133-1.0.1.1-1BbbAF7.SiYIrzpac0XSwTH3fIlV.Ti6j3WGGt8AyQk",cFPWv: 'g',cITimeS: '1739087133',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8425306917?__cf_chl_f_tk=8rcWOLRmgl1G4z8xmWlnsJz48vNnZ_kmCEUf_A_hg6s-1739087133-1.0.1.1-1BbbAF7.SiYIrzpac0XSwTH3fIlV.Ti6j3WGGt8AyQk",md: "f.VBcukTqg2BkZbB3kRQCwra5M.A00V.zFSrVQBEHjM-1739087133-1.2.1.1-wN0vigOoHjQQFwjDBUIYoAC9TCwGWBEOmJXAezx.v4P89YSeG2sS48R5swkvEWrssGkq_IJZcItSa.eD2nKhJoFb1wfHw_hpSGQiQm07WIXjBzCxtWo1OiY3QXoAKlaRru6DSGaD_sesaOm6ZhTr2VuP_YZtYRAjiNBRzphpRPETT6wpszSq9mpp4_7ggXrBSFC9FnxiFFbWAGhMYXVOJml2wcCjF.p2Y6bYqxiK6RtLSiJR5ulIUvi.4ouukCeQwirJQYEr_oFaoFeCq9T4CDu.MwwZJ0e9UbGPM6GmjyR9GqGYZsqF0Hh4hD6I2UwcB_cuggYeneZFwdQU9wHkp812Za_WxWiBYF_nJMZ_P7sUEScDDvAlbkFqJpKHSTeEiDsqgY7HqAxZna8OP_I_HCueoLkarkPFssVt89BQgXGjSXDE6MiYC0WLDkC.WamrBjEpWDr5_vCeu_GV2d.tt9Za80DBCjSoMDwlHWdDKZzUs3xlCcOSw18xs4FVeGGxM2JonGhq3ZgahpUm6ECpD1SgSRQ.OuO33F1mULSFoqFW0rKhfsL7R8CPzzl7bqpsS83rUmwgvgttCFq674MbydPkBJH1.xb.l7gHGZgxnnNNjqw3TLT02cLk3qUERE.cQTpPvN.5Kc1fniQiE1RRlEQ.Z9MtZF.evfv1SflJyOeqo1rjF0X.hSJ8N4K.tbdoTUB7OxZaK55xZLlGNABsbAxG4DH5Po6WBCbTQW7TO1pzsel3tnqEKyFxGf3IgPSdM_OXd3C8Xj3sjH_LFFp_CEGFj4rRm5B3gvVYpG5HQYFhfHSqALa2IGpMLNyW01_2YyWIgiGNX754Zo_RQtWYxIW1ph7h5yiMZTCquq5JcEA1diZJj2DjjRB76F_OFiwFhzq9s4TXaY6wBCRCWqnImk_cjo.7I_gIRU9RcYmNwzi.LJfRzVLzm9J0fjfA1ofHJgupEkg31h75ZIky4fO2GAiCLvd8LimITtqCWyNNZliihLxOLURdzUi9atwVd3sD6_.bMhPflhkjq8ccArvXmskEfVSGhN4wwK9uDFLOEIrnRDC_KLJE2Nd4xrl_zsjO8gUzUQlKap60vl3NXHzbIOXHuuBT2wuaextcsZwZ_mkj8.iVhR6SRZH2cEzVyNct7TUV4DLgh8Q.44fJWDlgg1iRitlX9kXrQC0e3Yu7EfUYZzFPvtWwUNO3ONR63NyEV6OgbK1udnSteinv.DMs2KQLbDLpsWjBHNqDgc_r_KGjdGFs_CiYDch2wtOzlOslnwQCNFSgFqqHaUVNRxzSy5k5sw9FwIdbk2qdQxFalxaDMrNeAyjoe0AAusQGkv82n_xRN5Dz6gQeBScvmKC_Y6wJ8vQ84fmh9WOGBkItWJcHXcvUe5dDj.GVgK5b9eI4yjN5s7_BCJn4_lhsXrdYa9z8B7oOatsxzOuTLreZR0eeTEePqIgiRccebO1_A3GcwaDza0WP5vzEo3gUodj1bUrALTPWdUlx6ZzSGWMglxF5aOo1Lwcz.OmcvnspDCcGWyV8yN4k0H4aZcTvgQjk2Ds68BNs4Hxv539fYvxAgSHDcFfcnrkU.dtbxm_uRr_gXT5HAu17GLqYd7oVlpMdaV2yKTPBHE20h4JDJHIh8GeopCCJ8ciZQ0Rh0Wv4ubZsMwvSTcSEQPzppl3rCM3f3kcZ0COK9_1WmitS_5Ir7KN3TzuYTmdKAIoIjaOPsBkU.GHOXPVvq_WjhrUIxyHMajAXDFRbulP.4dcMGAODMMaIgPtOIcG743yBVsyZJpvhfo5w9RBsZ50taLAhldg8AUP_bppaLtR98WIl6prfOd4_pAYTpAgfneLxefeOvO.gGjLuKMsDGSjRQVvNcJFex_SwN.6z05z0H1RvMnQVlYExRJTWIMQze61bY.dsTDWH.sTKZ2yL7kZvaR1dS2zSCPudeB1ONjDjCNEb4Uy5tyztm0ncuutDX1eusgUVOXcysMhxczrCMnJF8CCU6zh8gtqhxzDNDIl_7xVEZ0_yVBBHimzKpeqox9oylLXQo3SpZNDEwK6763BbjiFuQGx9YlSICsTVltSCeiin0cx8EmemZoidZKG6rf5F.oYtH9UxRUcAGJPrHbwO0w0KCayY98uxGGiUfQizF2EppV7iHibTNUlvl4nCOlqy.uvIncQexbHw4CE6cwj3BRYJ4CoH1B1m0zLkPy2NGUAAykqEEYaQRtY3EYci1i38ecfYnAdj",mdrd: "LeReiQ.i07uZRDegW0JA34BbuO0pi5U4Xzkf4VhOs3w-1739087133-1.2.1.1-7.x7mlc0IHGas1mMsaMA2n_3S2BQ8A7M8Qy3fCMUu3ApTTwBO_fver0R95KLqWiH7wy0NTNoTITEl8yjCMbxoOxRY.Y8LVmyuXKSWkEgTU82LTeF5wzVjuk8DtAQBJfELHkrfM.Oe_5VEHOWsd6CnNIQShyfy_W.OqBp.dSvq5SVvqN8Ss7H7HoWR7t.1aPfsUJc17aDyhRp5eKrZsss7n1j4N_nH2jJXsMTVUKoU3rRdbwiP.47F2EmFy.DQ7fJ_xEvQpyXw4d1McLNCkSxgTH3SB_B9_D1LYRmbOK4PqwRSJEZfv2L1tBJnWjsCSyZAv0oYS7izBC.aGyT7vCdFuXbHwFBW3fgy.R_QIEdBqqmJEMnMPUFWKRTebhb7QDDHwPUoiNrwmcUMJbwuusP8dno39VZbjzzQl7qq7bzCGFyHPsmb7zqbqYsMm2VmxJopQukqBYvkMgm02PxxNbd7r0_MjM4YDTPcOofBg4qbkJsi2fblpizeBnWqkcTy_kSMG_BeVrU_VhMCy7vEzQhySrjJI_S8V461iWpwxsktaFUoHOTN7ShoZeCX55gJvBLxNReknVmvH1Wi0hg7yCjNn4jK.0ISOmGHflKLzKMb2NgKoEP41ASJeX0KGNHepGpZmP72grv5kfPux1uQAzUDBbDlXgymgBLAB0obI8g3X7KAcfPDzux5_IC4FPk7alwib5srk3aqam_8rmbAEUmG_3uClU3UBemG8Pc56D7Kw.8Wxj21__Z_KYEOTyCLfOgpVit86vcPuFgTWtUBNh2lHKKM9BSzEEp9wHMV0LO5vSvjHMYUGZDPqBSe4td_v7nD1ADdfjc2D57r5fiwtu9i9O5WqUx9l6jFh_7Uf8S1kpZ_doUD8vF9I3XYMCSHHGBgROJ4kyN_ohnAhQrShGN8cHV0ZsNATjaej0SDhTtUMCGdQAcEAjc7e_xs5UuyZJWAhY44aNUHJQCZ_6ja7u1jKVh26RTplMiAbRL0gPJjvtsIdoteKGQ4bYuGgSu7tSijZ4Nqwq3vSkMKE7p7GCViYmHfDbQj6QQBbdC3uumLbyDbJ9vR2njJJbo4JnBK5eYlwID1r2EZ5oJCx69gQeJq5VQmrcqJ3RWbLUIuaUQdCy__geGtbGKvlqpUq.2tkOWl7l0rz_KRh0oqAvTFCK3EYEogtvsC0v2dIYC7tF2Ao4N7lT7kXVDvkaLyboDftllTQ.PGS.Rds7iBX.6Sc89IdYNbcjJG2XCzDgQQYNaEdg51SlfC3Cr.UrGyahPQGQIsyXrUtrOL8cXQFiwxVTL4bo1qaieiNQptrnBwC617E4LYvxEWGOOhTmNU8m8b.4zJRdqLXc5r.ewFo119jPdtHwgvhv0OWIMhAuPG6Y4M2PjJSps5uUqicQR7Jsll9xtA7k9wFIF9vODVp8Uz.anFfxj_shQzn4irr0wPy1uQQlDVnAaMy7v8k2IqpIuWFIo_joFArThlyF3SnADSIT7B84lNZlJ0NW6dqWz.hx19Of9VpVfugUTqcm0vSaeORkrvbSLJjFGcx1OP2KzgjR3UnF.gjAfXQ71E1Vj6.K7O4O_.ukuow_wcmo7E3xcrRTYgOlJdHsf9rXGOOY9RmVXeF6rOB5mIm68rl64N.1guZlGHY_3pbp5stR5KH5PI8lyUM3wKVagFr.g7D6AY9CYZsgGNN9KJDgmbsazQBGS3qDtaDt2gv5RqMg7OWp.fRM7K2eL2X0YB904bVZE3zAzcC.eKWoqYkYtaRs.CyYpjMlRq3XLbtNYT1TY_CwTI6I4coBdrnqQPhsz11wQOxrEop7dpR5lumX1N1_w384BmlE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f23d977878e61b';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\/8425306917?__cf_chl_rt_tk=8rcWOLRmgl1G4z8xmWlnsJz48vNnZ_kmCEUf_A_hg6s-1739087133-1.0.1.1-1BbbAF7.SiYIrzpac0XSwTH3fIlV.Ti6j3WGGt8AyQk" + 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