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-598455736765.mit-edu.top/post/2674853109

  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-598455736765.mit-edu.top",cType: 'managed',cRay: '910aa776a993c985',cH: 'HdBmsK6uyNzIU7bvhH_bO3DFIbBci80FIK3CMOU0QlA-1739343128-1.2.1.1-z1Xvv2YBudeuWJHmTFmb0e.5gsU.mZxzUrfuz5QgZ7A9qmLCTapjkZrGU5nJZ_nr',cUPMDTk: "\/post\/2674853109?__cf_chl_tk=9SKvRUj09_YextIyH_xejp0BWr4iZvMfVU0FKBIFF60-1739343128-1.0.1.1-ylUUX4sZtyC0svMOmBhKvzlVKvWjzU9d3xJf_m6Q2aQ",cFPWv: 'g',cITimeS: '1739343128',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2674853109?__cf_chl_f_tk=9SKvRUj09_YextIyH_xejp0BWr4iZvMfVU0FKBIFF60-1739343128-1.0.1.1-ylUUX4sZtyC0svMOmBhKvzlVKvWjzU9d3xJf_m6Q2aQ",md: "RVZ_Ue2wt8XfG3cDfwUSr4DQEcWrG.h0.SC42JP3aNg-1739343128-1.2.1.1-vg0N51aAxp0p.oO5BL.wieAZ4wOFvVQU5lmPEy8YUIbIcZXZqVt.MFFyGB5Xltiv2QiC3YTHlitGEU5EFPred5AEtm5q_I3uNLchqAjXZ.5A.xzL8pRPsd8HepmDPDWho2na.CAJN76Lu2QDQGE8BMcbKsedAlSkgxUQ.dih8BzN_VZnM0diDY_pIa13_2BNGgVupvUbCQyOVjQcVn9kXZP4QCDdRD6gjYV4fJS8WeKpaZte18LqOF0qGWOWbEy0UYYQg5zFbl.hsVyeMq5Proo9jjwraZd3O.kNW7n1vOpuFEvVL0CpiwaOfzN2FPbicOv1eAbT9SJPZUu8HWQm8brmrVhm.WAEA2CGkczeSJ6qXRRKaVy4DQeLLxynbsOLCtKhDyxnbbI9SjfvErhdyfRnZaeKQy8LCtM67glHPYWF9SY83RgmYdyuKQvzLFM7Rxl_mlIgcYqAmU19c0612l3kpF_Nojx68sLY.BGT5E07uufdWLCXOUakM3Ryt0SqhJH3Vvjt1TsMLyvnAQGn4_2zt5LriXXLaL3jf0oP80c4BU2B84ZWTPjqZQdNzEWpqOAfkAemD9OlZmY_PXLgVML34seIivw_DgWg1AHMLvrZwgJvpOJjAkGNBcP65LSU050HeHKqj3alk4SgO1777qY.Jf9an0PJrTZmeGmQfB5eIzb6q6WEXX3xk2pvH4DnTXGRXnGkA8XJJ2TJDs0x5oV3hzS_SCTLZDu6kxdfqaZYRcv6T3c.7TERM_JO6G3YfsbGtxgNDxbNJ7d64bzbRl4_scoRnylX3e8VU7W1QBc5msE50RjZQfW0vxTsGn2H17W1fC8oHk_c0uSv3pWTJQVYWsDblCsrsVIWIc6TikulAzL3kz_fvQcYpIiCZ0zu1afSeUIOcXhG0AKcq58lvQIr.JdogG19BnApdKN0usamjxHSW764KjRmYs62Xt2ockT5GBQTiSWgVbtDQCarLVyZAgXhy_XUiGSB4Z3EODE7WvC3XBUNSv9lFgG_EMSIiByFWJW0Ltk0_L.HOxuVUOgWH4zTpl4Ag0q4DTjnL7PPURJBF7f.3Wd14k2qd71SGjIH_OravJZ7Jdh6fOAFtZop8eKGahdWSp_.Pb4WtBC9ZfhRe.b_gip4P6tsKt2QNCt7ciuj1FoNlzrMHsnXwZnhT.D2xe80mAdfLkez312x7pf5wzQnw9RlksQtquehE9kAj.GsP.lwPBgdbQZO.TaFNvxaSxAMGaeRJsYJuyMQkc9OXiR4g19ee_IuUl86eTxnmJsICAmXh.5.MpzJoOnwRW_UUNGlsIUp2I9X0kyFC3HeUUS4g6pckyRqHI47OxBTuIgZzIE2ihsBMlZmB.1q8crHpEIX4dwy2SVTqd3ugmSF4MvdnetawXrSXjyl2YR68kMMKI.4WugtIXzSSax_wFvjHMPSgRRAf3.XRR6OzZKMcwgjtBldrtVNhRXPoQgvUWsW8_FOeX33ptw3N_hj77mRR8VdXaq60ynw9LDFMh0A6b8D.Qq094q6UODAOhqf3Wkmd4KunKHn6z7BPA7M_FEHpzfpq53GDI1wPfhwITSqGs7CZbcJQqW3u2diupDRMLGaj4r0nL6MxmgBlWTsxL81Xsfg8DY0uzPF1RKYYbbShkDuIji7bxA1lBNt4YCipbxHGHMqUnURh6RxlNn2iPTuBVbZJ2MjMJUlYUqIuqtl_jHFeZa2nilb1opHImJTL2UIp8odMsX3LovImAG0fwCYJY0rA7v.aO300oacUtSxyvSCbyFYrxvaj9u12.mHWMfQiIgiotDhRG1EaIGby9uahRe2BvCd9R9ss97K5nflsx7ggM5BzLAkApIgr_RizgdZCAYoPWflVYxaY54MGOAwtntDZONGfWqfmnbd.L57Xqo0L10owFElQp6djWpi8uyhncdi1E.CI9fKJ1vDJ7ujSsglFMk7FWW_5T5mqESUJwvglJ4Uiimq9G74oJzZ_HeHrTqyi4OXq34RTK9aDURqYUr1OxIEUKyXTYEXyv6si1xfLnNTPzXJpkbb9ZZ3Rqkhf7ofA.7ZDyx5HbzeV5YWqPem0jGSG5pRXTSNWyyXG3aM1qQD0CRbM2JomDsU527bARbCDnzWWhmQ2GpgyPrGhpME2cJjAFl6pg6sDNgUYyk6C2jEi1v52H.EwxYQmSgqY_hP71EUm0j5BPJPnlPKAXEJD9WeaHkItoStOJImKETHuT6rKpz05t6Z",mdrd: "b9tUl5vSnVJrRftB3YJ6xHPMt.ryqRoSLA.qcFUXAAE-1739343128-1.2.1.1-BGhdwYBi77ePtXMBV.s6tKTqmexhjtXh2bSMGvHmGHHnHlCVOq2agnyHbs.MxZCWmiBr6JFHVILEHDT0LeSy4L3bOYdCirj1XsjhmFmtiS6OzwMNTRqY4jb1ehZK37lxluL_eOc5QYKBSRAvHsrODHVDn.Pm_DHg3YdrXxYkLcEi9Mdl_2uGMar1dX.MjbyLQZVAc.5DYNNvs973LcGOpwG4VtzaMMtbY1Ot3gKWuuoo0uwd3wmePqcBGGrv_.KAJmqtUKbLtaZurv7UMbqdymqO2tbuct7EiM1odTJWaVQ4oqxF8H2gZVNUjK49Pp9.aQyAp9fI.bGfIIHnOmj56QyvtYMi7t0.XiRn44.eScOg2EZOAQtb8yQylKRzpbd11Ml1zAdJtLDUkuq5jvG7nUKTsSy_0TuDyKyQBqMOXrAXhGKkdK_IzlyXE5fdQO9b2YMMB4.Mnf9gStMbPsFFHI91K92UHn6LFzVPo4ms6fGYFKUVrGupqkE9S27mIaIZxgRLkJEldjPYy2ZJqu0Df.7NfVayhoYCf.PRyo6rr2PP1YPpjULsgcTu_1ZK6VGOKVa1XSWScNkxzupEOt09_xyVNJtka3cEH2HozpxTdoMwOC0ul2hRFlCqAWf5faeDdOV3ilxx3bEzc52TuBbFkVW3okhFLybFM_q5aqBxQB6uYS4207yGx842OI1dfqC7CH_Y4Tu2BwMIWmaJipkT7.BYDky01PmjVGdeaf.s4bnxcPfCaiYcTL1xY2h8BQhvryvRq4hdbAqA6l8e_bp6ZywZC43hKNzY.4JhAQQ38PuHMx5siaxA7gmTPGs8ReGTil9pXhNKtAmkBKtuQLqt7oS.7zMNNZJgrgjes7g0tZh3X0wsyLKleXBmwEApaQ7PJaVymrW5ivfH9lahn69_Co13ph2I6RlWEMLIcTcRNUzLwmbQTeCpd0cxFtOa1J8rrTd8LpWqyuWPkx2oB9rHf1VWMfZpKVXCmymhzxbjH.GyALevRRhFK_AhChljoAW.la3uoM4kXWLRKurdF7qUFzPEWYIwSW40RzWmg98HgWu8BSYNMC8gfLEem.xvtywierADLPoPqKX4trpH7LM8N0ioah6vhaVrbStn7cYjHFOWkm_56OvOqmecOKRU_DZ3Mtf1V0ypC9IsJ5xVkRf_c1Kefnw_oC4fGLkA6CJXjmnSx68Mkygy5QJsFQOqSQdZv866HZ.nW2f9jSqZc07NsbWZhd9uACZyRv5V9q4rYE57GHsBVFfsorZsLtoVR8IOFAr6zNjGrsGY3hyHD5xutEhE3ZbMUlhryO4uj_lZ2bTb7ft9zbnSaMZOAecPccR4yrNmTxOGriQ1mMgxCBjILydvTXPdWarogS2mo1NK4krTIobImMduwDan.C.jkSVtTREkKRq8FKuM1EK7uuKrb6JAWXcMDam_mm0t2HYD2tTYn2hBWQueDO7fH9fiNwjsVU3qxQJTBqd5U_cMIz7MVrXayxFWUG1HUu3gQVZ.oPRvi6hCHYNpVkWrOIRTW_zJtWwpBWOxMjWuZhvYkiscv8GaIWyvqRfcUVTF6f8QVbQFqtQ2EGJhcTuwJd4MYRkDpfyZ6ZPqQiv1c7HQkt3jOxIR8Ojz00pc4q0tZ69KfSWCHMlbJXetYloovMWqO0pqgGfterxvvqK9HyBhCCR2L7aJxgXw5tFEW7Yyt0niLvxhn1caI7dz3OWLtD3Iwq4iKqYnzV2_ZwoyLIHJbY59OMjMFq_pBTmu5LbM2lijyBDa7arDeOz0eBX.Mom9FlMBfPtvRRpXGt8UCqDzkEIeT1OkUWPBuHCnv_6QEyvlFKM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910aa776a993c985';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\/2674853109?__cf_chl_rt_tk=9SKvRUj09_YextIyH_xejp0BWr4iZvMfVU0FKBIFF60-1739343128-1.0.1.1-ylUUX4sZtyC0svMOmBhKvzlVKvWjzU9d3xJf_m6Q2aQ" + 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