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-453076389938.mit-edu.top/post/7401652389

  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-453076389938.mit-edu.top",cType: 'managed',cRay: '90f97b799d8a5b47',cH: 'PpGjyjbyNEActYUv84GHy.jzZVwLz458e99xnsua4HU-1739163068-1.2.1.1-4RNopC3XdS_T9gghxDpf5bXjiTUiMtA_yYKxuc2YextFpAuW77KwBNVeJG.opy8D',cUPMDTk: "\/post\/7401652389?__cf_chl_tk=QyGpPAyjrFlaTpZxKcLamJMJIn2LQTJ8FELFYio8DgQ-1739163068-1.0.1.1-r3I_ANRfilK_JZTeTd8LDuNzO45OFY4gyW_9tIdeCRQ",cFPWv: 'g',cITimeS: '1739163068',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7401652389?__cf_chl_f_tk=QyGpPAyjrFlaTpZxKcLamJMJIn2LQTJ8FELFYio8DgQ-1739163068-1.0.1.1-r3I_ANRfilK_JZTeTd8LDuNzO45OFY4gyW_9tIdeCRQ",md: "92IKfxNjW2n6qU7HFUzf9AlDnroFSmeQUb7H.S_JdIQ-1739163068-1.2.1.1-ZmM84p5LdqeOjnDPI.U4jflvNLcxNiJ.vUQEbxb8neVFWFVeNbOXgP4cGgxdGTyC4l3c3hUSuCuek1w9iATJrk4M9QIvwRRqe0xdWuWqvHyVCbyGslvR6VAfrHg_brQSPaq6OP5V8QTCGBA1RJC.eE8MFjm05LZUIntw154OlA2SRHkRbSBLEIKiytrgbfJR4scEnwkC.P9WIBAh3cSdIFRXY7h7SC_soYSnwClwCDv4mjginW6DwQ951TqeOcPLDsNNa_05D84R.teV8F3dc0ujvaGSnofbLUF9.QUocFRsl5AfPGj8.iQL5.nSb1QezV2pYh89.2yeJGIkinSMqW_Cu8zhAZDIUcITLgn2FdhHHAtnJ9pZtQKerbtCVa79DlPG5YvKhRyb2u8nmD7193mvLyCejVMo0KI0AfY2cFufzQHx1g9aleiaDVdj01qFXq3_Px7wrIENddFinjYWuLnG1XKgpP0skjMpiRBu8lMoOKgQk2gjMKiYBDLM.BcS.v35xuD8D5n2zlj8sQk2cPyK6bIxXwo_KnCWw8sQmvYBTsHL_DYYwwMasd.uPXAu8cbmsfYF9OPoqFRLrrVdq4MFa2eNKo2BuhBFT7GZgUefKBtZbe3qzWv03Ng85_crjvas9tkZ_G2mV1HOqJrOAQbli7e1bTkSkBhIRjtaQZ5Ymz4OxKoCN4tLmQFXblAK0Hw.a2aKx0k1Ty7AkABtmjLN8VmpYTc.ub8R8f6vYfaPKe86QUZ4Irpzg8_9HrhTs8d3a30sYAHWAu9ahFL1vE7DRmYMaCj6nckzKk487lth6squkEBp36mLEIDndYD.9N1oaUkmMPCoEpoGKafHxiTwNmgySl5hsTmDPzGiKOvbW.uvjsHQggnS2Pg1Y71n9h.PjC8qpJOFkWxNoYC3Mw._gQNPheZcVViYOkRj_Yf6MDzXVI9L3Aib0QkaOytks.e8I64taQ9yZg3xILsPar_PnrgVZWynvM_Ni.cTwDKiHBYi9T6e8bQvGYUMQw1n81RkO2iL85zInz0LL48cTqkdMaMDHGYBKOkCpabHBYiYZuoMi272Jxe.hSjCr17W3rjGqQJbtzx9ILUsp9G3R.QuOT9RTY8SYCsAsDtV2Ym2FPRV6c8i4IjsuqJ1jFlE0ZU9a5Jg3yNbyhpOgUhxJx5e_UGouSB90LYz0JP8eo.5bgebil0wTo5cbeJkT5wEkiIXl_jgvfUqOuB5U8dFzn26F1gusrmoUc_ch7oPLrmJDaWYxDZ4p7tL2x9.tSDd0tZxZK2OvV_UNqUhsy0AGagiqxbveeazzaIvIR8I6Tymb2_HtGa2dVuLFAs1x6IctER7dLsroRJpb_PUDjgGtQuirvt1bL8wssT.y6he9_ruCQBFddz.CIlLgt34uN7o1fNBEmRdY479zosruYUq6Wn36HnXW4.3NtLTpEZNWa9VmgJruEAFdiSa07FMX5B.7S_2pMsVIYRuL6uledJ0IiOYnLKdCvr4GuY2zGyhbjJjjQt1UVkSW3ecgiOD3z4e84sk_luIjTPBdVs2mkSzaZ_qdKtQzO8U6To9.3GQSWo_skQMftu5wb429q7JCXbFtIA_5IAFCA1hr0ecxILRE_ZN8uOtrWU529Cjy8i_LN32uC04eReuKuj3lK77n3ivV4fPIKjSMcTQAmz83lFJfG8R5CTs58Vqy4sRAP.LG90Zf.H.bv9CSn0dss66Q6rIBwZ_rRA9fql7PR4AvtSXUcg6gL6pql3SS4VlpoJLMLoq7iyC6Cs.ikQAUB37_7e35Wy4wQWNH7RYKhzoeuZpRw6dnQbOF0FayghSj_6vvBb4QoomtSS5IYtOzYDohkv_UO_skc..mS.f1ZYw80NsomwiumZHLN2o7tsaeLTdvlnKaTo3wNRa6FzRzNOjy6pFAjMXIAwmgQDjHh5tWthdYxH3i7Gu8BFa_m3_cz81n3ZsgeFN0d092zP0owE9qpVmqtlZx44ItJXlj1UFN5lTSd0z7isaCll_1DxPCn5neCAXUHKKHcp.mCdKyoh0qXnnu6.Y3cw4Wue7L30MdAAcEjOZ2I8_P45H6iMm_hN7x1AkC8UBAQZHeBwv5EQqYc_NwDdS9.Xce.cAczNCUML3FJmKmgY0RSG.jVw1X72KGEgvgE4RrqypJYRAbcJ3ExxqeXaxYYz8QddYoMei1rBXvefOHClAdtfIxrQ_02s8ibsSx7oIj.a20h5xrbTT8Nd2",mdrd: "ntwqHN0nQccC5B_4dF_bfUR7_oE6RwMvvK0GH42dFB8-1739163068-1.2.1.1-x4zii8pn0n30FCtRQbjLIpm6McJyLpR5RTB8KiLzrddgZTmy9cnzHJztxhm9WpLJ7iDe1a15ziBkJyJ7MbhH2U7I4ZcAqOXcGu7lLBRgHRdCpnehvIoYPLig.QouKzsVqxIPAdEsRgAWfcXmi.wzgzWbFO.AdCJsB7GJCuZRO4gNIXArYf6neBWrFfP07r8H1mqRw5jk6wusnI7gyWpNxPS5nzmC_EaxDmNx6qEXd0oNgXp45a.gA.8yFy9LovAf2QFarFqETlimfkrkxOWBkaeycFHyFN5Z7GwtHov8q53wYfOQH6PUZi3CWtBdm44sCGUpW3HMaa7RTsthfhGp2js4XAf9sBxc0avPFoHxlFA1h_rg4l5tZJrOVn2ikSd3V4D94ztpbTnr3cexRJZPqZ3QVlcFF4ZyzhSla8yA_uz7XoktlW6a33nmfoItDHbYbYeA_fzslbkxv7bJxXBR7p5Vocnb2tVtOnOa8X_62wOT_gzBNltCFp.dMgufBsLP6iDsWD7ZbYQ_BhjOxAQfvDyK5ia31y2Z8MWozs7HNntPXy96IexR_AvP6Jq2UrHHrf1LBJ5Vkf7YVjb_MWsNu5j1QrrhsauhKrluQHb8MN0D2s_SwaBMzQJeRNnuUolMFiC1MZbLrXHuJJ7SchoneLePwSxsMomvtRxX7L.zHkxsi97NL1YPhxtrwCkky9S48H968Izlccqv0c8YTycpJZ3eq5Tbhgmd0VflhVhWT8Obbcmc0uINs_9oQC5slhHYeoCisepx.dN3f1XAm7MMKwG598DeriKStg1rngckT5HbcdpgWi6EN29dtPAtZ0BpaGgBhFW_ocYfyDgWowp2AMZTHBRQ0m6QeoKxQPyDZMTqOBaQpWmGJGXVimcJBZYYKBt6ZiUx0gyCIyEAnku9FaQTFU91v6nLE_FBTTJFCjMAmVDf4YP.3SEYk7z8fqnLq7TEBygY3ucDTLIAHQ2R3ojeGobMGH.I.eeZK80SdXdNZLNKr75GoSBUWGi2gmRbShcnVX1g_1msmJqZoeYOWBdAW4Op5Fl64EqzaHHDnJ2CPfPCZ_H8MCa.aE8lDP3svuyZ44edm3czYPnKgS26ZCwYmradv5yk6vsdGQD6iRa.aeV2wqlPiwavXw3zy1ucZT9.H7eAK0nD4Gxpd2drFYJaxuqjXRuYmxSbYx2ST0csIKy3.dO4hOPq2_wx3bP3zsz8uYa9QSnkCBSEZm3UDt6GrhcBK4bc7tgRXxhzJg.OOpj_K.aURVhvDv0PvLgNpGQ1o5mTMHW2cfq9FFvCIFo.571XrCn2nhMX1v5WFfLuW2MpZhqEVvND7HfrJDukhEjMSEAHof2KC9IMifPaYsUv99oaVX8gO4PwijHi.1jm_oPcDChzbKpxQ53jIWOxxjwd7xLoJzvxjg.CuJ6YzOxNECjP3j9tVd4_nQrXKklRS8tb1YYetiZIXg2vLuJuvAWiI8DP_wPJzR7YD.3_8JnZbow54i2ueLC9zCE0u5XlKZejAu3cI8beMzoveL0xP8irnYQYpnFV43.ADHPs2J.uwaw71duhBSiFh30gweJJ6.M2ch64PYlTkUazRvIUA2ZtHI5bXgWj.f4KNXc7Xzj.zcwMV8CnccdKam3IUTrzveZWK06EZh5r6x.GIAkK1wIDU89ZzoT_txp7h0NTlvT2VjegcJ7YTjUOQNE0KueXIZPPjN8famvTn81MsvUi7QkwbsTRk6dLCY1hGRP6hXjpy8rzQPQA5zHgOGBOHDBNXaUd3pU4pgKnLAa_CL7Pr2jUo_6IuwLP9HVYBOYzSA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f97b799d8a5b47';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\/7401652389?__cf_chl_rt_tk=QyGpPAyjrFlaTpZxKcLamJMJIn2LQTJ8FELFYio8DgQ-1739163068-1.0.1.1-r3I_ANRfilK_JZTeTd8LDuNzO45OFY4gyW_9tIdeCRQ" + 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