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-affs740e5.mit-edu.top/post/5136970248

  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-affs740e5.mit-edu.top",cType: 'managed',cRay: '90f821a3de825824',cH: '6kjSey3d.VVnoz8Z7KlQjf7QTxcp4tbxf4R7pH6kayY-1739148903-1.2.1.1-CCfgGUH0rjicBzcY5V1mhOS5Z86nWR6Fmia1JdsVy8izj7F_PUwLBDRtWeRmmzPk',cUPMDTk: "\/post\/5136970248?__cf_chl_tk=AGki.ZK9gYuOeZFtYV0tPUjVgrb96faPGDfF4.C_MmA-1739148903-1.0.1.1-8YPvgbaNrgbaQSonJNSD6rXdXijzeMZCQQJrVruh3QM",cFPWv: 'g',cITimeS: '1739148903',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5136970248?__cf_chl_f_tk=AGki.ZK9gYuOeZFtYV0tPUjVgrb96faPGDfF4.C_MmA-1739148903-1.0.1.1-8YPvgbaNrgbaQSonJNSD6rXdXijzeMZCQQJrVruh3QM",md: "TF4cZ1aG7F9EFJ.ex.6vu63e6MMRcQSKtvnUNX9Ml1g-1739148903-1.2.1.1-NZTxjmgNuW7vFmLg5IKljvTLa0FeOMpLjf_27kvPgdqq9WoFwLir62cBNL.XsJYbMLBsz92uJYL5Ztl8xlkZOHCs1NW1BP_FihqgoJz5hum65U6idY4KMq3C4WAxB5cBtcrvea4CFr.cMdRUZM.Y0QVxI9tVl8Xizn7wuU7GD1R9cm6wLK3dcGDf.m1epG_NYHbCuIBnUfp6Ui7Lhwd5vCIZL8b5uAU_2Arw77513Ns9JGjkgzpMWXNHSi8tBYy6DfokclQA.IAfXfMZYW5jan4Vqiu.XTNPv8prmNcB3pQLlZzsB2ijH7psw1Pkz9WfED1UfRZvF1sS3Yv2_NVQ.CvAB2wrcpxi8nHfk8cCkSGht0yfYaRrz8Fks7z6NwJBR_kGQ80VbGMm8maeCJLf7rX8sZHRjiKil7rtbRF7s6qZpLL7qsVVlG2g1vO_18ao3wv34kdc9fNUEx2P9AD4.7kYGtvRwVgslbmvzQQU1SLPC4IP1AbbYqsBj8mebFmXnFF43Jth8FO.59wjUP9fNH9hyb0PUq_2ofss.2FAWnrWm78xP3ZwhKN4us0ehFcIcWVISMvkbQzMGMpDQlEsVCwyvNrbHJqpI9l2sCDyMf0tIhOiLDovGk3JRW1dNMD5l4jfg8MMAU1LpIw400UREyuEGt_wKZRPYjyVfJiqtmObGUg6qX3GA9U1MTJexXhQF90ypwabifi9rhxg3aDEpaGo7oJstux9TzconwduZ4UHQEdez5hMM8kNiVEBnBQvewDaMaTz3sXx2IGcgwzZooqwgmL4qPTzez_Bp6PkauuVq8k2nUEmqPr.aGtIQ8xet31z5Pe9AmTH6MQWXEfPUhgJD2AJjwoK26bzrrz8pSlYcni9nOwS7CVbE3AlYI42jB0g3w7pyyQeZemdIn6Z0FSmuosF7yoFA29IUjLTWXAywmWWJEA8RHRIhGKVy4k7iVk_BXMEl3RZeaYdiAkbpDyrjYn1.wBwNJBIB0L.7F.VPjKVKQAIcKPsBGesA0nekQo5afS9co0cH9M_pgonrqBbWQCM4Q88ARN3IjwLRkLlkar47sG178PDOkTJOEGPT2vfkZRQf9ylK4HMZDUGyAGgIXLDO8QKG4z88v9xqYbFN1HusY4H5KTMt8SuSR8ax.7QKdHekFEy0qTETdZRJpyrAqssBe3Qe3zUVaabqf_bacAx6N0Q1FC26du6KA0flFQDyd99CaHZjFC5YbhxsDX._Nl79QGv4DOloF9bvYCFn9wCkSFT.YKhVYMxpMpc1zjKtN.sm6Mc3Iubi1_aqfaaqxJdEV8YH.s68PS94cdP_IVP5BAONbf76Ibk1hiBOfEL9xmr.7HdZfD5Uvjk6EnuGXMW1_VJpORXwW2FJvNOO38KqW6mjVpDdl28bUvlGfjX1A.pHbyN79bpcj0TFoEGYT.xr.7RKdXhUhlxY9y4twldapBrlg9WlK6duNH5rs96pToROuhDNvvTihpU8NrabgwSKzfvKlpwg7JCcJhkRshBRVCnzzlUtANgyAjAP3EQU9Y1g0FKYET7_OkT_SIX1QfZnCSw4V60_rSi1BoK5uUdm7k0Mx8Cs8nf9i5_nU9yz4W2KM22J2cQABrdgN0RE1QKWvyVEHpCSVZkdQcHhUwfvJquiBK3rW15MG.YiDYY_7lNvyXmFoJrHCYjvnwjl.JnZ2LhxASyPOWVdqfD0Av9MFlKCKMLZjVaV7kwGe4CfGP0DIzffztwWfLBJjkmoyebX7a4Ot17vzJ5J6jxpWJsb.nkik98SK88RfvCcJ0mdkeZZg0LAYl3GNNon8s5P5Y2gtWz9nK8cKs1ffGBf0ofK.giOls.DxXbn6jY1b7J4wcOKHKb1T1Pe_4ZN7m.nn0qAkHR9bev9163Ca0oGL5.xxj8W3l8u1ogH5L2Rw7MjvQabCtxpoD_gdRuYVEhg2EFwZ8CzxpZ_E3_UcAShiKxxOWKM3kYlJc_TdZ8xWHHYXTohhnRO1ZQCPppyGStC1ljnz0T4tq41rJPdjS.xFzjvSI0Tan3pHj8qO2O3hkMvktiNngdzOTEwKidJxeiu2vGTSzMiapPrV28eD19nAgx5Uhb6om7_7tMIdORIcrDsBNGGn0A3w08hUpve85DVBR1_GcvrdrVI8byqrrFYNWIgrAgm7EGggJTSWXPObYUxRpQLU.iPWJVhY_m_voAmEPjNdjt0NgNCJ_43mCX0vuSMUFNSu2oyTKFS7et",mdrd: "0HsYW3Pqu6_oHNl0Op5DY6EbnR.rHF8u36hMTBp5gTk-1739148903-1.2.1.1-6VAuvhbQ9cGHbsGG92NgbUYCTtpYGkyLh8PwzeToDwDf_DnFysJx8atJvaewE7GJdVqwtnQEQlTrJc7e4EBJn4vd18.awwpVfcK99Bc2c1cYC.QgFjHCSYA4AqLGoJ5cY4yeSfe4HWS3yA_ZXuk26HuTAOkLgZogEkiXO5a9gXDjtgXPGYTgQy_c1ESR_IgRsBhZ_6Zq25j875VrrYOgvEQ8xdBG7EgHKJa8PN8Gp7JPT.uBnKfxAgHhOuGhbblt00QtgP38gPpnV2xkqlV9dnIjKSpUujBW6meWYVkt8C626PhhnRslDN_lzMzAdFhBb3xwAVUsCglvu4WypG87TDOsKI.V4TEOhGs1lsnA8TZ8cKSFyCJIo_LqBjCFG0jLarm1f_0FwGOfZ3XtE3BWeD4QjHYmxRH8u3L7CB5Z4T.CdBSB5tDsgo64SZYq7PpOjbdrA_mFjdSQo3zaT.rerwIs.K9bASWA61Gu7fd5dBa0bO.KHRCZKjLS3O0rDEE_dvNgVE9gdUr2GP6nP0mSp80mHa4LwJKW0vw4K1lQ89AOTS03a6gNaBUvMXhbuLkhZxQAhVOtoc8UmEAUDa900pAQPHv2vmMGkTXOaf89J3uORURwaOMLXNOng7pBGUyu8sXBCuOCGHqUJjhfDoIe23sBsxm8XxBTqTgw20cncc7JwEBXh3RHq4IowI0i5o3j0ROd9ixQklqRmb5mFz9piwBo2cs1.ak446IJqLy.s4ciRM5U0oOcJLk9RkwrPjuSyijHVL2vVMrxAhkiHi_isJGl2fb70e3BNTzaVwUtRwKVWhzH5hojsvCbvaOtz0yl2w9xNg4_Q6z96d_xmnxkZBySPRzO72EahOJx1O75QuKGomRSInAATc83wwZJKAq4ia7j_n3vzB56Ma2m9w64lI4Xvya9A.wrH9xDqLQEyNnzhrn1qiU0Lnd7TzHFUmJ7Hb79Bw8lw8KrK.dB1ymHtyksdXZVRT5l9Z1xuhrzHOiro7ul2Agb7Gzf1UoudI66EVzc_KREzn3g.8.R11zRBi7GtF5DdbFMkT4fktMuCM0K51W_seyOCbzup1dyfqmZ3p4ByaNNlLhnyOscrUB486KnY6KGF8o0sgx3EHftVcagGUr0pYANlvWKfjei2IYehWtQOfLo6VRbnB8_ZGJTt0bymt1xRIMQ3en4URiOlnj77Qa.tcw8tzqpCehxcTT5lDo8umul1OG_TiYj7iXS5jA8817s6kgJZnYvxkcioeq4tiCB6sPL1CTwI0F0x3TKJGVe7RTP9exuKjVdaBYsEVAcL_ZZGB5GE0SGybkWiGZYrjKA7FtibS1dzPhKDI6DztHqmyZQxWyOV5V5b60lAPwoLM4dddmkTNKAzi1_jwPabZNKVlvgZAaxMlt5v8tiGxij562uNio9mIguZGTfPk2s_54NNYhTXiCC6lbmTV_DxlAjpaIjinTNqc2yjFFwZsjw1MISiOFDSHcPWL6qGWnICHy_sIft_8x8Rp5NQeP.eroRf4BhU_Py0ofgmgC2p0qnqC_VPJ_sHlwDttIjF6o6mt9WJpnW9UHTZMvfY5u2g4o4Zqm6YLUfbQAtKGaNavDTe49zoChxmSfdaG0TodnLhIfbBYpq8PKtj74rn3VCZZFeC07YK7f.LjRN0zgW9XkHybK_Ed2iacLHEMPSNr3EWIGcDoo_2H4dAQK1nxH1LvpI_0r1MufO2alm76Y7GIwrlrfUYW.1mplIq2.1tyD5DnIi23Bn7BUxBknnOZrkBiwtazzbeU5_Ec4dntI7bM7Qh_6_gIspWAVFLN8VDtUZi6xxqTr3t4DvvdnF5m4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f821a3de825824';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\/5136970248?__cf_chl_rt_tk=AGki.ZK9gYuOeZFtYV0tPUjVgrb96faPGDfF4.C_MmA-1739148903-1.0.1.1-8YPvgbaNrgbaQSonJNSD6rXdXijzeMZCQQJrVruh3QM" + 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