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-688549876840.mit-edu.top/post/7601285493

  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-688549876840.mit-edu.top",cType: 'managed',cRay: '90f7fcf01984820e',cH: 'BMHoBtpw51Se9fsoL5NFYPYljbga_4HQj7Zlj04q9JE-1739147399-1.2.1.1-LDMWmN.kA_DwwSEpYt1fIlQriBXXkbcXl7HgiTJv.h8hc1R92AKLaJ1Rl.Uqdu.j',cUPMDTk: "\/post\/7601285493?__cf_chl_tk=1YwqPNgHkYzT8iNfLkL3y5_3Ko3L16z0cqVNFu2bg_Y-1739147399-1.0.1.1-iXZDrTBvsBjuyNYNnaY0EEKywonkVGGlS5g3Wx9ckoU",cFPWv: 'g',cITimeS: '1739147399',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7601285493?__cf_chl_f_tk=1YwqPNgHkYzT8iNfLkL3y5_3Ko3L16z0cqVNFu2bg_Y-1739147399-1.0.1.1-iXZDrTBvsBjuyNYNnaY0EEKywonkVGGlS5g3Wx9ckoU",md: "VQWNJ8aIU4QmClAWPeMT6sL1XFJ8RY1xbfFMjaIyZsM-1739147399-1.2.1.1-ZMIxckU7bM5_Eb.e64MfmqPqxLPDufjydRQ1GMZCAc_jXp7YPexc9ddrmaCK1KjPQhlld.6CZ8JeJKPfCqXHwQqAmZoDlz4tBukOp7LYMTybDELBhHkC9tu9bx2_sK_u.NOU8_xzbzg9DjtdLOqyTM3fqvzjFS2QwKqfWpbHeMAxDclmqjEMg00jS7qRWNSh.ZEjOWiVCdUhr1zwKWeVeWAqk4tR8AKdBrbYyJ1FfZiJfge1HheKt7prDE5kjWAEpS5FhVSysS8DnH4BTZrxy_vMQsWJUod1XrBkyWrKNHvIG26ZRuCVuQu3.aTggrP2Eavt3mxQV7DnNrfy0OgT9vbmTdeXTvbMAb30UrS1kOUD57PLyyK_irATeDdc1cL0CSQkjJFARaySYz3H9oSpTvXW7C4VaQzNx8R9HyxCCBiuVyQHWJsnRApBg1BVBb4.Hpyci1rRC5Qmq7nmwcKViSPEVBHVAHqyi0JKse0VULciuQxQRV.CaSwWXqtA.EERI_bSx9x7zDcolL0JtTgz5JlFmNEiy.JshybNwEQ0azxql8SQSAPlsE4Xw.k9MdYvhPzwXv9UHv9mCPOfoYSB3VbqFcdxMdP8oF48E3L9zsGoCC2F0SFNKkeriJBRKn794vd94AHjlMKFIsdqujc1fM0.6vQWuIaymwBlHIsRPjhgJr5vZsPC85DFI6Rw_BGY_ewac5yQ4DwQ6fctVB3eTp00l3Zxwa0f8FDxWQPQp8wyrZlz.jwyraeFXtfFHFmk6taOxpzQMJwkbD8ypfms6C3Qz0WLOLTjiDjzBRkIlF_3ld2LBPz3Hn9BxxrIaU5NHIgzSp_oLUpcn9FkHysmPFzznR.AdQlsHuZq4dIcbm4RXO1tHNQI7_Uyz7lJseVyO7zTeW4K2V4xX7Gpl1nYph9CPNLbe14TCZsV2mvewvIYLTtWoTlBdSKzMx6AX3vRgRQ6DJ92HOelWiifsXBbmVmupBfp7CV36mvrHFpTk5HjcOFa3aoYi6WRXgyAnuE1k46QPAvagUGYAg2udRf64SxQAyb7zpqVCPwt1lzd6_G.KM430AEew0FMygJa.pmdYUkutQ.LgBTHIXK_anFgLr93GfD7VJMWHt_XSBLPm8h6AJDHXqn3Tamps1W96ua1.rgZE0zKfs1dJ3ANvfkqVs3Yo92mmqx.sHsRjTEyJh6ozflfRiRPKz5m_EkCWppPu0WJCi2mjybhDZApHGiEFLZI5jBlstE5noKRrKo6DLfXXoyzJy3KFwlnIo0k1RUIS6jl36krhXqSaJRsd8DrHTvCH8935hajXIhaH5CZq.k4zY6JyYhIn0Dy0TgZ.hep0fa41iwB0veF4CPUkUHrIvaQQM5tiM92RsWsYcOCJf9VzXjj0mIAEB6IpXaec13T7aFtksmQz_ZgiPLHNil9vyXkXzRoD_wBWfOdsJdbciNl3.EtNbviV95ro5T0VUVL9WYz6smo4WO6ZiXYUzuO2MNdxJqrKPoseb1c5ReLUpw5Q6jRqTxwd.c0cGGC9mTTwzzzlk0heY._arg4MoNTVOHQUzT24XGZES9eiYJWUIUUQwNkPzvIoiFvrMqEuG9hH66tkA_sNyVEdUby4LxxDX0C_m7hNuvkPbofZfQ9JgZ59LXJnBNU1kTp4M2aJBiDxyAaQLTpV8O.MCBsPewFZSCxDmnmghNCKFP.OR4cczdyKgRvtck.UfCMz3MEMsWYfGFCVoUVWHi6C6ZiRqFtCHqTjKmQ_Pirp0pqNl6a75GL9Zc8eJywZ_sfpDSOsglAoKkSBuWY9lvlS5CrMhIbggMQ_Gg_byHpjiL4njO3FCKIIE_Av10A0MTDREZx.AQyZh1k04xYFK.FwmA3sP581hlx.WRICbMYEcgAWcr5jQ6t46FH88W0Vo4E_VQV6IHoBZYX3P.rVbFGXsAu4qi1AmqMMUMtGfvyYEpbj9lWDp6EactexXHVoLjRaZnJVycSOEOvN8R8QBQyZQEnIap2q604mBA5zki34fMSsCqAHT5KimP8Tntv8e0AjMP80oWvNThI1lWeZ.0yDXsRLkRNr1tHwjdgp79bhgB3E8GLUUjZ_yr.JJvL2ySGphfDN..3exlPEvY_grIbYDShxWQIpOXqLs7fNmMnayL3WjyHigoSrZHApeMMdoKP9cUbjKRcpLN_lbxJWisKpGpn92rPkRFc1OWRjaxv5YizMnYIa7otWBs5aS5vsuJW2fNMPciC",mdrd: "4hY.3KVpuehUTCBvRmw_V27hibqXOcEjACgh52XxKto-1739147399-1.2.1.1-H4yW4Kp.oRMWqRpJMe7IU7WtyDdxaXHvi0tyuvv9tN.ItVNPhUjOLHH4UGcw0ZAd6e29nxXRIojVrM.ziL_JmcqgsFOu97d.ybZUQ4yV0PbjQLRtSzAyVlcvfScQGND32AzMPoe.7HRgSCTW6Hb5JGVbrwpRGu1zDvAslicDwWcE1lBimSU0xhyUP2n2nhUNzLkiUgx0D3Bfa3ipr8quFh4fsQZTZFPx5VpJlSEgeGAUi2HSPA.8QXQIaFlQqPqK9JvU_CYk6OjoJGx2FvGS583iGJB5i_KU9A.NO7ecunxhGCLv1HIQ.TDXVLZXZf8_2Nnu8lGwNRIsWTSPw6HxsPjqKlVzTxQFF9fuWrjf2FfPxRBiTCc2HBZweHigI5B8Q6sAo547dEfwuFZuO82V62zisTkN3mQxFKe1mlVf15UgX9KEioTTLXcRokdNtNimtbaTVuvr0.oCjD6L4Z0budOfn1uqiFLcAF2iqEzSJcBeK7LTITvwQz2Wk_ahPtiIDNeuKOIF16fGtjPOPGgYnAeXAotcIAXFFlMGtDPb3f1Ho3zTQofWv_ARRkPEQiIOxfL72fBb5_Rcru6sDPstaDKAabKrBNcTX6rG194CHT270w_QeXnYrJhEtNCxT1GrsAFpBXj.YxA9Zh5MIF4eBpouQPkGsvzLeCYqSOPrs4dD9PrjgBykDBYfFRaPII2eXDkMEyOqRAUEvcAAOZcUEWnrV3_7dp.rSywhn6IN9j3lg3m2a28BhRHn31zGVKnHht4js1fkKr_LwJvoJYpmIyroNExj0kfSgxlf1xAb5LCEgvVTDfxpJ6sLvqNFzRRpwKXbkrFhCnkpwR4Rx_1N8bY5n5gIo2on5qK0ZBu8rZBBCyBxWQqSLU0hUhruUgWiccNgNMz1S8XIA0KDl5cu5miXVKDsYlbL8_vN2oYq_4MJMqiRTUBIbCWrd7VM7VzDnFG2Na6pktV3MfJXuizwt9SS3vhIf2J_zaJBHxl45a_wMH4nU9utMkPhWbiWMBUV8t3nEdAMx18p1U1vO7eJ6bThfB1jJ36g6UiVJ5ll1rAzAvx_BcTYuuEiw3EWABnD4LdYOnl2y_dXuJ2Yy4x0RjxlLSAdxkqJkJRW7j85Q0a0QQgYh2jnJXZc3eu1xiU.mj8A8Xp9nugUc0ino_6yxJpsILiIHLy.dO24v2oJAUGRTDgk1Ovcq2ToTuILNdcrDy8wdHmrmRsxmDcf8vGId2fr.Omnt5Sq..YV49xe.GzamZf0mc9cnMAFKD03mxVLAI8KCQNKZqFnDdDJCxA.b42yWnwS8UgVw5hkXxvDu8KS_XfOlqI02g3o0R3pp_dYipYiJpWr58Qj.ysaQOkWg5BLbp4Cd1gu.tnRc.c5qXeNJsISp2yJHLIrunyFEFc9WQ859pKqIqDet9wOQKKaTjSOA5JrpLek7XoJIkGyS7UdCSIJXim_KBUBuOJYH0qFx5IhAjtlyY872t_aQlrz7sAgjf2gdf8bu2TuEO1zeEA_ddYWatXFArAQfMz9doas5DBN8QefaLwaZbTgVEqWIzmLScOshaxRSzLEPhqkFH6tmd7HEg027cva2HmppuMfKVcqkVBtGG8qGhG3f6_jzKboHXTSFwW_M_Nv0ni.KnTM0cbMIQHTQF4jqQ1xMpnyF8tbUZbM5hAKMRYOYJYamWOjKyZjWYdOwMJYJwyMcWiAya5_bVstNLDu.AkwIn.b2fyNlZQIOflRyQyjXiJUK4EFHGODPPvS.5hat9etcMDKh_uI9EPcBoUp1rr5st9auX2com8FF1iuXU.5LPaSCjmRWdFO60un5N_sofg88Ug"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7fcf01984820e';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\/7601285493?__cf_chl_rt_tk=1YwqPNgHkYzT8iNfLkL3y5_3Ko3L16z0cqVNFu2bg_Y-1739147399-1.0.1.1-iXZDrTBvsBjuyNYNnaY0EEKywonkVGGlS5g3Wx9ckoU" + 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