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-131149026685.mit-edu.top/post/8190473256

  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-131149026685.mit-edu.top",cType: 'managed',cRay: '9109d5f01a2b592e',cH: 'A6Za7ouwt8Dc0R2JcTgYuneGEUbQdhMswa4GEPy6NFU-1739334545-1.2.1.1-O5RJwYzgftk88GHJYJeFbXhqCYNDb68wDriX4wUPbkDCHDa5uZ2nR_MKIAB9cjST',cUPMDTk: "\/post\/8190473256?__cf_chl_tk=GgE.wsv3Zsg8Bfqr_4Df3zRpjpBZZVGYfq8d6QPYOlE-1739334545-1.0.1.1-z3q.rjeSsp.cUGkK9Ja0bnSYCo775Df_meZ3HrET1MI",cFPWv: 'g',cITimeS: '1739334545',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8190473256?__cf_chl_f_tk=GgE.wsv3Zsg8Bfqr_4Df3zRpjpBZZVGYfq8d6QPYOlE-1739334545-1.0.1.1-z3q.rjeSsp.cUGkK9Ja0bnSYCo775Df_meZ3HrET1MI",md: "L5jqdgeQayHCP3H0A0VYmQVDBVKSUnFp1C2jOKCFAVQ-1739334545-1.2.1.1-99bXa3ytnEqjjquBb.LDYDRp7UzNSjRCkQWfICdP9K8pUZYGuQQTUmMYkM2y8XA1e0OKRFcJgIHvpKeKn.sA1AYdbmZw5nooV0lBilnSmkdicsXJkQ56sXIUpDQfwYoTyuDNvKVDg5itXiF.DHTueDGLQW3fUyYj1Vonf3Qkjq6XnBN3d.X21iO2Qdl9kPrqNeebWYRt0K87eBFuwcG_ikJNCD._KusCgIRFK7GZDZR2h__yBmn49szGV4rmW_f9KsIZXhY1Q8jLv30oBAtQ7RFrjD3ki.JRnhpbwXILNPn1n6LkgJL1a9xYXKv5phZ2xHSnkRl27qSVutMXX.kW5vTIyBoho8K46bG1cM.RdIhChQLN5QaQgtV5hbgunKkD0UI.x_7JfbXhSlQ_HCiZGxthK9sdfoHSfk.d4OnNnSvMmQhFucJEEIfJeSf1bRUJk_kKz4ha8VSDWVyQbace8uSw83Ess_sF59PgEuq8NhDq7zm_TECP4hpVlcT5uIOiw5VctQ9nkKlSChbOOrPwE7Ot1POH4wMHCBo0U7fgmK4C_EUHjGs.QhwKKuixbY3TmVAeBl166p0k_483Feqcmcx43pQunKPtlnkM7EjOAYZBFPfMlE86MBOtp6oFVo4SxBF_zmFAKKru2yWekkgjuOl4fG9e5nE3DB.bm7Yu31msxMP46uB4FG4BD03KrDirDEY69GbMfMqy8z2hei2.50HXOEzJCPoKriidA8cNRjbsbwsltjB2HmZnexpCzYzQESc4mdyTcRvFUXePd4f6vEVi87Dc1fwOGxzFL22p0qoP_xtS_frl7.Lo88kGEDPCMRA6dgsTy9FcR9sKhOYXuZP.T0uVhhkwhtGjo2JPxPm4wqno0FutxqgJvh2eLuWNtg9p5S13SeS.cAnQrOXiNZ.roNwdYF0fDXGxLyBI94yQ.9S0qZapx6T4qN5KYe1hodIwyIrYQhXSMLzZFJv9.CYYJzbPTrkAZOZcI25pQKoED92I0nyl10twyh9gMeOntzn9tK_zi6ionCpoQBodCEQCSfmVw22pzW7lCezTieahG4r6K9R54qPmiFdd8eXKIsrrjqCqisnFOWC1OjgUW7owNSWAcbGf4PHqm7170QMUNhB29PBNxpwefkh73mtF0g5WYWNCrYyrU4Wp905iM1YCcD__MTYg0VcAo8Bgu8ZRWvtiZ_8jecaOpwHFbGmoAzEqDjaWqqQwt_ya3GVjdYBCpXa0jRq7X5VtWZi9FLE3GJx_c31PeiB7RzJ.whVkRzM8MKdqPfPQZk_MqKCdNrnjXBqb5GLIpwmbJWWed2NX4zwL2O5sI0wupt9sc4mP18ANzLNyn1PFgAWpw5Xk9ByipgXYzURYPadyQ1PdzL2FNY_3NLP0KfpXZ9axf0a7i2UrASS.PcDpJr90hSDlxIJD0KsWnGJFeAvKsJYY0.cB1.A2oe39bGzWR1M3rxBzsAu0HpybOmkoazF4nDsK0nRQhv8OMGj..VyrgM3Cn39VhYrxVyvClDKRUsVcKyFe79dZyqVqxpjkV.9p.xaLfD104BmNZoeRre.eGdTb2VzlrspLg8779rA2WTUmfL_70CabXG3xdo.HRBERDqGZGPSj4COC1bXESpHmQ4qu36lzsH8gqV3cGvnKOsh9hnZI4cpT6FKzws6Y.uxxMWMMf6wFg8eNsYusvqFQJQOkF1BKo60aMTaXb4JgHF1CJHL8I1hLR4GKiHkb.rhEcEqxj10Tm3UdJ3Y6U2EtuGJqwG9Ovm_9sOqdKnwYEWAjaFcnK9kgz6bd.6X5DaB_4j8CNM_gm1GouTtJFX6wCkK4AOWRCxMmEtt4LmcHMlyQww3hhX7jbV4se__vaLZmmFEbyxTFy32DY9N91pU8tR5tzkjemRI5kDocLIhddMLufKii7vjdXjAuKKZqdOAGPCtY9.0U9ehZXvtOH2msgqcF3XGH3HPvxj_F8NvNcJKY26JachM.KgUu.Hr8DyDGLv08z3waimUwTx2szNTodaYfFrpfutBiHSmQlnUHzUnhu4ZE_SW3eVtTfA6mfIUXtMnbJa.yZa1v00bTF5UGVoo0zV9MHoqiUuKP.69EGctP3RHZt6W6h6GJ6SxoMbUAOk9Ty3suALyP1aHkC0EP8ZcHV8k1qVcVZFvq98fYYfQkBX5RHh5sntutoZCMgqYIFb8PZVUMnMW60gPmoHlqsiOVmMpEFlTfxgJOA_OgV8qae3Jm",mdrd: "cPEo0.qwh9QFt1IPnBz.BRpizlvjNr5TclLIQcW8_nw-1739334545-1.2.1.1-MRFqzJ.CkqBFz9qFpnymzob5OQdlu_SKfwQWieHo4TDaXHuj2G5rs0oWzznnCGifv0NYyolZ4m.JIrVFCXvI68bPxRYyp5OuWWJ9HRomv.6C.GMXL7mMhqsQsTFvjX7KZlp_LkFnJY94DrAApohNT3bkbSIjeGLsy0_ffysMiV8bd8azMYbxo_Ebuw5i55KZ.dri5UcWHLMYxLavVcIYABgBjaAs8dCwSI.N2ppNKhH2A.hfbEGNoMZHQxC4yXgXsmD608ngRTaykQU3o6b66Wgizmh3J1dZI21rEXDG8cyIib872vnD5aLchH28oVnXZnq2oqgAwPt.2b1drxOMwDhROOMkzx_u9DSO02fwOMlyIwE7xOdyyiT4M03KEgwXkEVKuMaXKFMTe825HegmmbJa52fgK0ZasBeHI7yTZHFTJ25N6XFHG1rZYgfuxRsm7xhAg0jmPq__PPr3_NonCc.UMQCIIEbmUHL.OyhL_CyXHDLJyZCF5_N5p6HnkniANb2VojGzvaq5BS6ldD28sWUDOtgjIchUJc7AeJ2hfEmCQl4dhK8Vvu4JY_In3YHSlR_SQHk3wL4LJo0ZaVjGrwHAP89ZwVubTfLxFu3ti.DDj9gq3RlTlXEGUeXqPLnA2XupB8LVeqx7d2.Gzn5BTYMBZ3.DJxN6kfJqoCd44nlRMMzrRuVg1.YtScMHV2YL.1hC6oTb22CXf7BUWGRau.MUKeomNo7WIDojA5Iuwfy0ndsh2BZXpuy_VZJi2atNU7vPpmgnjOSB7Icb8S_PykSBZBWuhpiiPpjYqhdAcQ1QVRiMqrc6EH0GEZHwve9GmwVKrisZgS7wlvjorW4Q8S2FDc1k2fmh1ZbEDy2Foy3U51SwV_z3w7T3LUXI61MJ2CN9OanNSZzK6YGY28pwXNBWkYmXUHrYgTtQc3fsz68ACq5TrO_TtHCtieqlYdhDw2GD_baOxYUmiqQTiQqjzgK8rlgSWk8AS2HNXSNtfZ_zYhc8sjsXAHHrQYmnmCCi3bdsqtWZyvs1qrbeZ1fRNTYIQkBEV06KPWR6tbkZztv.Cz1klgke3zkPt5Voa_vzaBvic7DFuM_wIwe..Rt1XQCH_0.c3fUv5vYjmqhz9DUD1MSDgR1MMrT96kt1_eED3ic4.0JbU4VMqwOZZTsS_5McKzQazLDstFSk3i7wTH2xuqv4iTF7E55ODWtE.dDXFZmNDuAwhusJOxPrW1lQMyG4v3y88USem3PNSYBEybTG0eYLaOjLSmC1pf8zuzRDJQXTo1c6CZwlfWMJDMPB_4tRvG6L2zQ_8unpj3nXkrXVUtYOUH.Jed6W5jzMTM2j04hAeGB_tXvGIlwwgobiKatoEFrcFV.4FG0nnTfzOX_wbmDCR4.1nZFGXvhIbQr2EAEAnzNllYe1z.uLj138D4VNkKvczTd8VGQvrfm1co8xOHULGuKXhT3teo9mvoYtIPpXMT4jDUtUapV0Sp9kBVOMZYOFFzlnepJNmXU5sJDPU2DjdrgNdzE9NMr.QoYnMyWRkSn8K4LBEYk2MYqBtf4KAj9kWCbAqJr7nIFAXATvowL2PZu1BtrDQJqsEnqQ4ZhOG31Bkkz.wE5ncTsWtOOr.eekEs3TEgFRV9HTt7PidYLi0pAYig7u1OzAW5y_NAVhbyc5OMUp4sfHu7RS8UODRtFaXsVCj8bqooeogVvYT906XikXiHNwLd4Z47zPJbPclrNbb4BAS3POONihce3_3LDTg2FbC0iqCSmW8jrs0hDjbXtGL7HoHvMs5IghtuHLFm.3DV5Z9eEY9zAM04_qCIOKH_nMCZiNEbOdpotoSk_Bk5bBJGxdb52B0HUu"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9109d5f01a2b592e';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\/8190473256?__cf_chl_rt_tk=GgE.wsv3Zsg8Bfqr_4Df3zRpjpBZZVGYfq8d6QPYOlE-1739334545-1.0.1.1-z3q.rjeSsp.cUGkK9Ja0bnSYCo775Df_meZ3HrET1MI" + 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