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-759546133985.mit-edu.top/post/4085917263

  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-759546133985.mit-edu.top",cType: 'managed',cRay: '90f7c082590d8197',cH: 'lV3smjhgu2_lX9tlyGt.UZO.eSLGDBhraBO2lrs7xvI-1739144924-1.2.1.1-rd79TAfUCirmv1OS36a7aPIXQLYqrN65NM6PxvHVNb73_a_gxWtNek04qI5KhmLg',cUPMDTk: "\/post\/4085917263?__cf_chl_tk=TIZFK2rCkpWdaREMDiSMQybr6S36jo7WiJKfoxj1c58-1739144924-1.0.1.1-iQbHAT5j5im2mQsRuGjJiza9gX5s8Q.KZm_2gtO_M_Q",cFPWv: 'g',cITimeS: '1739144924',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4085917263?__cf_chl_f_tk=TIZFK2rCkpWdaREMDiSMQybr6S36jo7WiJKfoxj1c58-1739144924-1.0.1.1-iQbHAT5j5im2mQsRuGjJiza9gX5s8Q.KZm_2gtO_M_Q",md: "3F6mLJ5LJNEceYEC5HZAH8UwMd.0S5mrA7l8lqt8vvY-1739144924-1.2.1.1-NbqCq275y4U8PhRKQrGZHD4xbfBKqQ_jGACcRo.EXZ7YKC9NnADIE8jTt5G3VQS5hQPqETZUFgcjj9l3HBnjaO3swVlBYxZ5Q6IdqhGIT6RxZu3fH14ZYPARn44sEsBDOURQvLgIKcYUA03WWAr87Jysenqs1JY25a2EannJqp34U4jPjTpAm_Q5PyFLEdxZ0qVPjiKCXFM7oZVNg.Ver49nfAM058n3j2l25LHi5fRCO_0WDhQ6mKjWS9PiXSv.qDOTWS7FI5VFWUxOSJIyIY41im5CChhfVixZQSeUG3Sm.XVcd3idvsamz_lLbk_Vqo6vIK.YMHUwVzNIYv1QnkZaRvhY_6TEw6HBRkPITdCUJJQ9K5hnGgpNBWYpkiwcLRbdkvfZotGIXhvsFbbwc.myZ2aehD0GeQe2iFTduHFp4XYGoRzY1q9O9GchYpuszF0t49tDsOpkYoQ_GEBS_VYc3tlR2tEyMHkAG_khnXBSfp.CykdaS2sxH5oTE4_rXg5T.OYe7Mt3k1lKH_trmaq_2g0swprR5XbvfWEKblGy2WjwzifA88BNpq3kz7ngFywtg5N2eAKir2oKE.Kvozcqli9nlDEGnxQfuA7zEYjjLUQwlFlQnSxUq2f6x8ThSBJMCkKucgfcC4IzYX_TLw.AeL4e1V5xi58nkHwXqDPjL698BxnnhSefFzuoEm1ivVW2LrtuqgjAK_qPtDggXaQUs9RidUeqoNts43B6OyR_9bGBhW27QhQVMy.aNPWXyhhsY_Rjn7IFZpVZwHK45WfSAykq7dRvkxQwJsQaSCcQEbzt0SD.a8sPEsL_4WcjdE3NQqe2za_UbredOsqs2qDTI5YWLnys.I42jSEvkV56nRxXt7mAiXfcSGFw5Yv8Q8Y8jml98ikVhlZnvhRHSZNqSSsOKr7G11YmrMiDkbRv4L9ohc73tUIuMNpUZls3wiFFguKSLno4Yx0JRyGRQBZ3X7G2rvDM_FEXQWmKnEykvmcgJiRoMaC1CcJNN2oS3dR1csEz9Rx8iaV6Ezn0WTMRijg4NIQJm4wtna6MZgjaUXIUJR8qluN6zpuIKMRA6VCApAc.rFVQ1H7qT_eD5BArFlyLaLM1lGc576R9WIIf2XKB5GKXrGcxq3BoJZknHB6q_exTOpT0DekAmdWoJL2M7ci08H01weyntu5GyeSPDeqkn3g4bicedfrbZyhpbOGgzfOHrpq4ReFf4JMm2PcyE_8HakwooG.nSAizbwq_rStlDS1qckUr1svWO0QP9JR3KE51w1BAhdq7lpWeGiVdaVRz36PfXSO9u_MOrE28n0fS8sg1MjEygEHKDnjkDiSfwObhg.23YR_CSXGYJAT3KVWmDB8aaBtOphjpPEgY09apYMbe2OZlDys3PSJPi9EuuBFCj05knbnC0RXOyEqLXPSxiKP9RaRpZ_.z2tyToiAxln0bLApEr9g2UqS6EDI2s_6ItcCab7w8yxSTzQce1NGh1z_FylXU_0f1pwoCbAHYN8REKvhIAGHs8NQCTfz0dqJ7zlmZHyEn2XEm4iLuKUpjtQSjotuAw5kO9mgoWXyvzmeJ16DMsCvXkoVMQp..KI2xeHF5CvHJIb3S.9B6.mOH4VewGtjbAq6sufHXIc8zDlYL1GIptOB4KQkxsxoZ9h8UfNvPYz2peFkMWnppnIa.6fp.Hvu12jCINt4P.16gnwHGDbvtm7T2h2GrRQJacvICwL3vyV4KJ_JQ233Ur.HuUyrmWLlSCwKkSdlCUgzou0fBSdwh8zdn0dDbgQJIi0.XPnA82XCqb9DlAhAf.kUjcX7x.0DuoJankZSjhP3PhS_l1BUBXNfFrGAhAssWBYgtNbl5nZNdNkqZMN3MpfFdxXDYiSv3VLJ7iieW5o42_5BLwOag_e37DXBwnFPMScXBpvexTDXBuElEfZEavtwySCKtDB1kEpXeunQHVFzicZJpDh10.hBTQ2R.rU06Rpa54D4ep2R0sqsfYhTlgYWvH3DnJ1IElwLQPyVX_ebjNNMyC6DGgLwfM6dOdvqG7QJBLSzxqzOCWkgE8nlPM7RWrS5aeYwe69cxsNi8dycOcOVryc38qclg9p6_52X0Mbickt3oSl_eFsHYDG1nHeIpbHaJCdZusS6JSD7prWrPH_P9zFH4XPBV0iFBstfPgEbpDjcUQFWJPsy9uzyeVVl3MRp78UYc725FSHPMjnHraN0nh6GVLQVNkAGq",mdrd: "pouj6c0sWGm2aQqF5aYLikcMq9u.rN_4OYSsltxt1OM-1739144924-1.2.1.1-wLX1q1oOL4j6xHNdqgbh9pFhSIVKR8WiCFsGuP11hp34gVdMARYminqbtgPTYoGpsRJWlSFGacEr1aRryFGyEAyLh.NeblKcbSTEDjgujBc8cMMiLk4Cim5J00.bvFpARSQHLLiZXKuDVGjbA_taFQxht_WPYIDpsQpXCxzcaZPWxSyW.ta2RYQ_oA6SKQk_EdahoalFaXYMSz0fte.m2QOc4Oy2CPlPlUzgicgHUl1iGCRh9kDZe_9Dw_cwnnazZjoVPn3lqi6Bv8aE5vwVUdZqyoz89OrgwaYgDvgIub4PgxmtGB.DHV5B7cseZ_NDlBXuOGOPsmtarQwdw3uYa4tf38CHV7hImLEC6yZ2Dsiwi0RaTMVN5dTpgQ8cGiOg33CcpHD5dYoBv598Wh0aabyBJW.d.XZJcEeZqzT041G0loIVXvyC_N_q_xa47eaLCRZQZDsY8yfvFTUQBIar3wt6azoNoCvznJUULNElDRvZAWxLjwuYvlOoRZqyMUNBrlMClc_AF798eDqhJ2Rck_YNh3K3fuAXOZhHGk0dZEA4pohlg6zy0OUAcao8ZBldscIu8DOnqhg6emAtz_tX2DxaZ3DVWPk8WWGcY.4Lm5dxPiPEc9..YW0HQVr5y1JfbULmf4RIhKZnL.NWlef63XDXI8uUZn6ibby5Ndp8nylOS6BoJiUw12xDs3LY3uN79FszUNGk2tmzjnHuS9BZTRFv8STP3t0PxWheTvdvTPqSf.3J3ej_lgoiD8OYbSQHf4wcPqQhGD2zbJx.5ZdUhpszLqy0PVI6cxmNOhYRXL7ynB73WBhy2auWEspWu9E7Z8J1GE3s1WeM0EoRMGl4KlbOq5ofF_WuEzf3mlPzmjiYCYgbvmvFb9W1kL3..kDNfVUfnYTKJnIZJjmjC0DNPFyV6Wm8IaHIXHJLozYIUZRv7o85_6A4meaX6RzruikMhvKoZ.edMng4hLpbN1FmnDRWcwkcn.6HHL7jYAlHaS.l1h8zJMZr5u0u2dJOFZyeDmX6.x3KInhGgT.qsxA_ZJ82qxJrk64k1Cg6tKbAW9jVZrDnLc30sm.PzNHPAV59K5z6vq2qyM90MfYN5aMa5JGiZkYAFWMqvX_PrhzRiSJZJ2eF986WuVaCvS2t2fGai5LOHCCSofCDi2V3lMDL5NSLbndz0ebxTMsfBySMIS1mnDJjxEgaTaN7qKygzK2Vm7n81i5wfaKSIsgxgI9thldDuAxI6Fl_iMrov2fPGZRDIsOvElXpEERDysT_dTg1cWQ7JYXWfZ_3RcmAgo5mxbY31IYgw_yo0qX4d1B1WmMdYTfzmWt4e0A2oXS1XwxLVJxrnW3DagYI_MM7.4UEfoKCCnG_2QMBaR1UG7GOIk9gKrFjdIxxP7S7RIFhO16_eKIeo0hvci31X00BJTtAH.q9OK14MH.W.csGZavYcdzdWbn.njqYHBRvQ16uxv6vjmyufdqrcuzuMkMSJkmGrUpxQlnhaJJOf6PAl99352Jd85xsR_Gp5EQPZrPY4AA2jSZrVStrMqAgCfTtzXZrfqQluRu_SttXIRl1uvwxKt.yXA6q_9XYWTzdVwCw2UOsLTlJsnuj.yQRe8x5TYSVgs72UOJnNaXVI2vkuuv6e8uWeONKZcIij6P1JAumyIvs4efKp2gA8vtGkBD8nMXAucVUoLea9AFID7aCaG5LJF5JTXjak.zz5XdVd6mNJPa2JMBYw_EDUW7VH2qoQJqJqqE.5IMCYmKawwvBJZwiI4jRH1gspUO3mKX034A1tdtMkmvgpIPgX7aOVaH2d5e0qzC6JdeKGFd4lCAaohvmipw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7c082590d8197';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\/4085917263?__cf_chl_rt_tk=TIZFK2rCkpWdaREMDiSMQybr6S36jo7WiJKfoxj1c58-1739144924-1.0.1.1-iQbHAT5j5im2mQsRuGjJiza9gX5s8Q.KZm_2gtO_M_Q" + 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