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-199699711711.mit-edu.top/post/8613249507

  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-199699711711.mit-edu.top",cType: 'managed',cRay: '90f886a3fbe02009',cH: 'GTTfHWB04CZHCgkbh9jfNZRHa3b8pvTA6N9R3Jyvov0-1739153040-1.2.1.1-.xEZXWfqnB9t1w3ebUSCbHq56fgwLalaYutW5jTlphRDrf_1.iu3EYYhnBGuaA7E',cUPMDTk: "\/post\/8613249507?__cf_chl_tk=AAuY._NphzVgtJ0bKQfSLiMQ6NTieCb.exJQDsvtsgA-1739153040-1.0.1.1-pX7FzDXhT1RnGGpHoozUCnyckhcYZG0mzooOBP8UP.I",cFPWv: 'g',cITimeS: '1739153040',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8613249507?__cf_chl_f_tk=AAuY._NphzVgtJ0bKQfSLiMQ6NTieCb.exJQDsvtsgA-1739153040-1.0.1.1-pX7FzDXhT1RnGGpHoozUCnyckhcYZG0mzooOBP8UP.I",md: "xtnKvjCYk.Ou3ZUNuXI.7vfjYWpiKqrVKhYrAAl2ahc-1739153040-1.2.1.1-e5oKblmE5yAQA_sA2p7Y8mr69vTd.SPuPKglWKCTLGys98nKQulIDrlePGUNe1r3AYb5KmTKRWf6P9aCmruDGEPGFm0qTcQutq_aDXmOc7ODlogO0km49NfY9xQy6NjGEVl5AXKiw2fVUK26HdtnW2lUZd8UC4QEMJFf_UQFBmCPJe2ZF2FRfJXk6qY4TMxnFSOsfaUem4_zT_Iv3fX7U8pXZ.flJM904Nct7rseNJy6nCANej.RuUXzH4mYKJrOcc99zBb3wCvbayLZTnGSQ3Sclz4z68jAwQ1VoyeXBCTCheNvTfNm65Zq3SgNv4wFboR8NBoUqPgLpYCClhBJNUuqCEXHNc7mllLCj0r5Qts_42pOORhh4WekqU8TldYBfh.V6earD7Nj.y5hlMKPBc3WO5KmjzrWFrPg5Vi.GXoHMzIOYtJrqeTw9H0TZ4aXtw5QT7lPh.TSlIvbh0fgOgykB4iI6gS4aPtWJ3yUYkjY3JyVhYe8QBGRwmnOQqtW1i.tBLDNfq3xxLznGX6H1QL8UgdPm8Yyk9Nj.S1pmfzJFv0CKrrFK8OA_mjlb3ED8BJYFU2I.Il1Fe161YZ_Vfrk2aOV2ons3gXb6HI0d0FU3jEhw_zr02J7BqjX5Jmu_7_U5UuUF.Y6oz_5CsYiQ1_iPUrhpcdUgbSIaJfaz3y_0ASLwC5MV4chHErrWVi7afH50owRp7fhQbmdwHJD_yH5EnNGYbzDtLmhOKsamJSVDZi63R2K.EkntFFjJL1v4CDm7.SLoncCC.g1n6Xta3hbTQH8N_0MJ2Y8bPPs_.bdT24znY5oah2S.BGRqYp5p8fAq5DeRMNyE_fBEsEi150DQ2EL9O2V4Y7ArCSe8ZSAz2ROwqs9EnJUkdm5sLvdIF014CCIRGwJNQSi8OBF69V.LOnr5iK6_LD331RgxlT7LVxNoOZvueagV.sdsaxbGLm1Ecd8uyYkJWe5J6XPw2y5L13k13rbotu.SJzs4apdby8Op56i41MesBWGkXlpn7aGhkzN3KCXwhrKf7Qd3lFZ4GVctc_CJqbq2f6BrCxpSXuMtNPOuREUxiygBXLlZYaIDj55F1lrKwT9OgTVyiSMysoTYOjOaGjmtGdO7zh0K9tEZ_iOHhVdUyBuliEazPkZmecoKrHn8Z0WYdfmI13tJCA9IsE.qHvnCAaL.KeRBkxB2toWjdZ9aUgtFiPcBdbWKEzxdNByLr6CyNqrdSC0_TQFpSz6tGBe.A5IXZ398BGIP5mODGRsdsQRWah1o0nInZEBJK_cuVzd2zKHIp3b5xLlpT4eSdBQZ_p7xkOX2DwOBGUFGpRux5emzIqhqvioqg_kO7PpdRYuMfQE0..76nz30wqDAryVRcpn4rb77WMqTOjkngV0PtaqbJSiP8rBscO3j5OnVq8zD_gdsBMORFEWjX9zMn3klwY2mRH8RBjGKfTDYXsUGbBNG9xOv3DGltIejsdOXP8_RKjO4pGdphp9nKhNSvAaOv8pcH52D9c3mQmPGcVRw3C39.F0UFq_aBsY1bK9QYttDo4FKo3YLnmSDVzVFV6BIMwsglNogzAVGhitGKV3PPbvb6WqA71wxhGqTBc8nk1FmMF7ulhjUaRlI2d3sQQyEkDpfVCTM6ppNpckpYLlb_YFB_5WCYPzd8ZbFyFgAqRsQvYNByq3sY0PdXAELyEV7kx_obYS9Ed7dNQ9Zzokoj1i2mcyG2R8rs.NHzRognxKQJTZ7jKvvCP.fMdHzrtKzRU95lWgc_3K4f0TKYOaOq26jfdjzBxoLJodDlBEElZ34XV3bMndjv1oFmy5LXp7l7lXKeitapmvCbik0Fjc1JEaVbXHcWdjitJBCGqr6NcIT4kzCqVauy_r12dVxK9pvxsHVhxktZxqWwJEpHrsOJYmP54Xd8Y86kntMlkEmUf7_z2dtPESc.CzY2whJmY7g3IBS077cLZ_QmlkIERhEhqRo19KJg4onbQY9_.chy2L_D.H21k1je26nOyU6iVsdt31ZZra0MR57hFgeVnn7vEX0xxoFj3PsHWVshRMhA8Mp8Q.12heeSgXLWa6Y9_r6kCU33NgPNDS1oyvK9LYtGRlxBnXXYG9_Tph8vBoneojMKseRkOuOKC1I6SWSWgPmIwY.GB4WW_Ery67TCwXXO966RvJ_UIP2NOTcEZynBijg85EZH5DY6cCYcVBpFr51isKMLDTJOLIUIySfrvJUkKcKOVQ",mdrd: "Y3K1R0erO7UTTczohwYNHOaFFmlZ0VVewHrimjTT5dc-1739153040-1.2.1.1-YWAkRD1zTRuwL8GDFfcmrJCR9ipO_Hm4nC_ARfesQeLC.y0MtQyPRwheQHobv.aDGuYdWjNW0sHt_smAsnNpSPncpuvL49XJbsrcJ1a3P3VuduMEkSTqwbSf1WcLM45fRdr8taUVInQnfVRXzpMCkUucLiZRLB_fuziiiNqrNQuMSEkG9son3fZMYvpE04XElBz8N_edqvzKw4V1WMnSD3h4WDz3.fytACx4lWf5cL4Rk8JMF4Hb4WwiMUp6EXCvlDHZIs80yXumUTvJpvdXuRnfbvixZGqkqzKG4L0PXmT1gsr4pOyQPIbzaW8t4f.hpCglDpKXplTqWZmK6glMKEVt4cu0.h8B24RQF3gPUfAcDQ94bcJ_IBzbDOfwzIVLXjV0h5S_1OfUU8pYhg4A4IXL88E8tQrWRYXqpha3SOjDnQINlkS8ebbcuOoBedoo3jWggdlVdyT_u7IWHpR0EsI7wJnN.Y6PMf5gwyk6QRDo3M7DiJHcssnPNtlojXfILipwSvP_SAPSUVhhafZ5ONVrcCJSnAybX98lxVdH7tE6TA_odKLhDYTu2ir6DoGZgoaoRsFY5EO.L5s9aIvPYUsQb1qB2pwO4i2k4FxGcsNGqu9jbH3.Bs60tbYX4ehv7jal9q83qshCkZlEIQ_QXtkM54Xt4yXC9MXvKOWZ.EHIbD5k5bkayAtL0itADjsE9FdLND4UcM6l_wSUtr_NUDjGA8boSnSCCifowmUf3g9WQZphwyQL1d1ndkeZCF1qY7O7ZVaknblBpZDPabmzNxA6vC52oD021p.WhimI4cFEOviviAKjOTf4FyS_4rc0hiqRD8CNVyba3Jlg0fVJgpk26rxsYWDe4oTv2ZxWdmKFU.P_MYllWNTjC50DuXtYMYDoPloI7wuO53EVK9_22Yyrk9G7U7pOzdcQQshbZoEXB3aulDS07iQgeHGnR1E8dFk37kusJfOULKKJOvdp7oM5cdNUyOXGvqj8tYb5a6txlibuTZEVaV_lH7GddgAuzc3AHbT9TOkwcYHCdiKmRsEGXCodTv0aY0yI.kk0BsAuDI2Hi9IeWBpBEmPgsgyhTFBrLjhdLfD5UojmjD.W1AWU7qAdTdoBX3CubOIoh_OsIuTq1.qy7v.ZeC8ePqkGwGUfFBHbPtIFkXHYLUKZ8Orsnv.nlR.jnXBaq1e9KyTQbIVMYWo70ikBQ1HrI51TkPkfs7ER4ZMs2WGB7VZ5m8IPz384GaryH2HjFepCCo0t66EOzPUArJlnfdED5AqAZAwYro6.7evi4upWIT0jTpQCqluxIm2Ic5F_1y686dEjRAtFYAIuNBEpm3gyovJdjroOXcJifI7r55NHyHuFaw13YdnWIujEJ1B9alVohj682X9A4f17xt_cq4.yI_j5DnyOlGLqADmrQWeXT_7fmHIn5iQTRnrlpKz7Xr7FDGnKLLIV9gld0Gi_0ZGOn0TDenkFsWrGXfhezTSa6vmnteWBKvGSi5_y2xqmcttfw_gC2WFx97zeZZlhEVaovXAktBBc7VQsSzxsIxjPnlPG5QD4RZLYmtpcDn0vFMiPTZp.h_nz6iAZ09pV7FeSpUeQtbrhuvm88VVVbEcz5eoYsHXP2gKDydHIC10Wi0WZ_zQqXk79AKBk243lB7FUBnz8YCZ5ZB_.igwDY5k1Hkc7.TDHDt0ntH9gEZt86bwcP1VdZTTjoKYZUYO2UXxBMY31XmtmiAGg8NfP0VUSF2FjvLeCXXQZdbzYmaKrVCWHWXaTFa9l9B.eNYJ52Y3ZelzlDyVa0H.3XTSaogIcmJKRCw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f886a3fbe02009';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\/8613249507?__cf_chl_rt_tk=AAuY._NphzVgtJ0bKQfSLiMQ6NTieCb.exJQDsvtsgA-1739153040-1.0.1.1-pX7FzDXhT1RnGGpHoozUCnyckhcYZG0mzooOBP8UP.I" + 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