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-733009672985.mit-edu.top/post/5106873429

  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-733009672985.mit-edu.top",cType: 'managed',cRay: '90f84246e934c56a',cH: 'hb2OG9SGr0C0Z1oxBrpkm6KczQtwYbBEQHOlOA99q8E-1739150239-1.2.1.1-AnlPYAtlTwjm.cOzF_YcUBhP6splLjwKu..yOIS2ACOgoH_HJgabVAp0h3T71wMl',cUPMDTk: "\/post\/5106873429?__cf_chl_tk=ekPj_lqYJp07Tp530R0hblklt8NtMjdvC4pTaY.8uk0-1739150239-1.0.1.1-cmMoDXi4E6uqFGu0Ngr8mkkWtUghqzKOnJmKpkT5STA",cFPWv: 'g',cITimeS: '1739150239',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5106873429?__cf_chl_f_tk=ekPj_lqYJp07Tp530R0hblklt8NtMjdvC4pTaY.8uk0-1739150239-1.0.1.1-cmMoDXi4E6uqFGu0Ngr8mkkWtUghqzKOnJmKpkT5STA",md: "t18m3j8c5_g5c33URuFEMD_EIFId.eVEWkcf_o7lBy4-1739150239-1.2.1.1-Wv7d6Cntn5yiUUYpoYDEB1LvsAD4_xw1IkIV3EBkvCfzOXBA7gdzL5.l0ooaPFynwbnftxTFiN5BFnCQsYcZsMjhrEEEpNFigh3l3wcx_P3Odp6yKU7g0MAdstC.onW9pBOJYwdiYodQPhS691v5evH59RYKu0f5XE7I4zd1fZ_jVWDGCRdk7jzb3OGCg4TFzQr9mkAQUjLe50bk6z.aprCl4UF39VCYswIIZ8rKXa0sk0WedHlTlh190b8Ue8lyJU67E1eerAIUSDEqDXAQvdpA4QsBjVvI.I6tk3Qb6kWJTbMI1MuqIxbp.HRsKXjLHteY_3YDPFZuvHaggXmZA2etQMuPnGnA9Zsf0FIlZeK1LDJnAYy9BtUpyG2YcanbTt9aMD5UdSNWEdw3kvxoUG4UL18lQiw_SdnG11n3vDbZom8GcfjOz8OGJ3xIYk3pTCH0OFjb8noiFu7zp73tE.snYof95cEFQPNXIAJUHVG0NZm.j.79qXUh8dgk7Fp1Sz0qiVdd4DFCOS_fTlZUNciKivlIojCpEfwyt8N5oCLnIGR79jqZgsCNALD1ATrg1M9n..tibWy3GkjhcXPrU4hq1fj2P1JJKQgbYAvcdjwgWNhtzOR8a9ikVjKSmUffhS1BW0.t_llBAFs0.LjNHlmaFY3.fvXrYW5ak4nEaPfpJrD97GhzoN6yMcYW3LqY1pkoQDzmVxIrXbAoB2HGXdBbI_d2UxHFXRkqK_ZmzuxiaxoZvhBiKH8q8lR7_GdnO8hkEWYFcVE1xVXiLsnHnn5mJ1fOFCBGXgx34SjLwxLYFAphKGXFAVVY1by_k_LZEf.GBDlLenCzHPrl5ZqnRfnBAo9woEPX6OjLHpCtfKL6xTyzI_vXWnwF0n_999XmVh8fxB3AsdA.2X4A4EebBHLEX61c0iMVj1tGycezwId7jso_gxlLbWG87pAbBx_cAxS5U_ORZILhez75YGcfV._tiKviVwNBBhFYPRGW4vOJ1sqY_tzPiT7mEkTaSZ35mKeci_QG6eJTiAsCIjzB_AapDNt5PaSpPvPTvyil9UODX1B2r.oLxwA2.37Ul_.FL.bJYHlSuMgO5QDviudJgXopX.ODnL4SNyfiPZnJK8zcOvbYYVV4NdItAh6utIxtvX9QRBEn.WNg4IryQbozkvstxQfTc68OjhPb490v2TIrLnIdYZRN_EoUruF4CzEO.YwyM9m0kdB9qebn9G0_hSS0iU.Q4WnWasgKvCqe1nCpP8YRw85fVafjAnk.HmRMAPZE2ALhtzUGtImrrhaVPZdjXtxC0NNSMkMHJhg7Jv9qJIPmyUJzFEyOHEVKQ2d5Apm.gjIr8jHIh3I6SIocu0.13po1D3ZNaM32lzMfdF8fcw.089vigB_lWZliwgXYTz.8nAJ4HLYMHhwYxg0smndGtlLeLzI75bdyM6hsOjb6Xu1VQ0CdObJpHg9vtJXLDk_TltUy5O9rquoR1Tf3XeuUo5l3I.fEaOkxEBU1aMkTfc_XMMNosKPfzVVZq3b67oqb_mFgsVqkiv4mLvVZYSQ9zKQE_BTPyiEfPepPix9yVUyLlhx2cEYEUTtwLfEfvSghevZvn3DpFxhYk7nA6XpDXCUpV4d95yXT0tVk2gkccCWWv9lpOmfEpm9hbmxs5l86SLGwzsqqvdG1N0kYfe4P2uW2oN1WBC0ZFe66q98ruWzrKTqW.DTtT1gQLVn5r8c8or1N9irHp5A_uGwh59p10SCCrfo_dVBYb_rDom.pfovOzor1lf_Vj3qnfGnZk52CPUOt0GNf1kDCqEsMeruBeOxGI0.BSixtMdIVK2FIYJdOdtB447CEU5kxJhQjKU6GNTTP3o3Rh9cbGCMk9.k9TuPhKawkLlREkc6MU4AL5CSJXhI80pKrQXVFUo4_Q_HSYSA3HD64qmD8PLTv6zeixOx77rVwosfe9hTfKXIQOywrH86eQNJYwCjd.no6Do5EDyOGo7XIUewYFrq._iQSE7AC4iLRmajN.6ub3lEMDbdZiWWtvNtKB6WRo4zIT3TKuU6lKQO696tS2JdiZc_6tf.c8pZWhd9vJIckxDuJTeLJj86BBcXH837EkLILiOnsc9QtUmE7Aw6dHuqCw8UTYSJjS2StoNdUDs28rU1hprSa4uOUVgGgEo_rJ2m19lJvXAXIzwvgMaUDTWGNLQ7GghaROgC297aVS6NLthP7JC0X53yDP7B_wPOUayHW",mdrd: "MlY149Lg4jqtLmiEDs.wDVpRWRKjYRn2R09UqVpmabM-1739150239-1.2.1.1-fspTMViQJez1HGur8YgdgEZ3e9geqIgQsr5xP4IE8M1pPaoWtsJtO2KKLQPeeg3EHua6wMpgSWH68kRYSF0wRnjwBbjlX7X_wIWJGgMdQwBFrQ6IwlNttRF9cGoCaLb00YM4ps2NJOUMH0I5Nm5HVJPFLbqSmKuVN0P6EQQrLf_k4g5Yjs6nV0fEqb1ygm5WAHAYDRRymUO068Q96s.EmIiq98HOJVFw_6NntXtqzXt5PuIrkurC_2_4WRQQ5QGJwSOUSOK5tig.lQXBfxhxnYNErcV3e7zB0TeE6odW9VBcT91UOyVjP5EfrRWN_lUKCyOdDH.uFAv2gvL_.YRqRBMG68nh8iUrC622gK06JupDHkqwT87jk.mK02oxAD5u_FRqfsEtYPILb3mfJeC401rmk5exC0DtLA1a_GrIiEE9N25VHQRAvEnKuleYvSo38t644aMM52gCBzAKxCbTImVPDaZsZfmAHI5dZSCp3ANaQlVxLlDQYp45jx73xKxWDen59_vrMgHQGLGlZyN2HbRGteEAU5yxedFnpqflfMrUfq1ZuSaYTN0ST_ifKIKcobRqEkhKuiNaWhu41eZuGOaa8lwrtJGJ3_bnhRy.zBgkSAN9xUcqSOG.EVnjCH4gqaDdY4xy0Z2faSe12mW.2dthGBKx4gwkYSoMpWuMB1tJRzpVpRZrXyg5d2K75CSB2WN8aiq82F2WKeCgX4fjQbrqvdaIkcJnOZa.IpMo3zWWVyW3DgzNAkehSCOyehRgOPS7Ud6iKaXXInYwkBq.F387_ax0X5RuUQutdN3vPUE1USUFA9eZFWzqFcM94OHBxmywZMxXlLZOAdPjbD5S41bNP4byaYuGDo3WRpcsHwBQp5mHX1xYkhZ91XaggfUVl65fd430YL8MTdM_b8RuRmjG_3NjBNkdjNC5R9Vb2eb7aQdSxCGEpFZUpRn8KloVILNz4RoippLtpfIA19XMf5z143bIehIDRw56KvhFe8A75jy9TaSaHKaGNMpXMgX_vG0.PeECqstV39PZ33Dm7r0.M4rsfkrotm0TDV47CVPrrF_Tm2B9Whr8IdOEDwx6.TktTvkNZoW0nN4geJtnZb0Av6QvytmE1eMVQO1lK4mkIZrsAFVd.q8Jr69lULPoUoQt.DLhGQHMOk3fRVuHAUGBsID8mQ0LU0pA_Jw5YlT1XmWe2U1j8TGUa7cFnfsKmm9zrn7kCz98nKIgBAmBPtDEh23VwOUGHn_mpJNNkfkK3BR8TVxNweHEEnZ6eckC57QFyAFfy.JpdrwwZL89.Hs1VHdqPZkNGm0EWVrEqN_lkqOn9n03mJOk0Fr1aBU2jgFSxZAqkcq0yTALyqEkeGCsgVcjTQ0jNgvqABKNopJgVJxkASA.taywVVksr61wiN3P_m.kUL_R8wYj1ju1kgg5oQUkMTH_wtEeODsTrgd0CPw8ZplMEC5s1VjO.YAfriZWAslb_xRDlwo2By6zskkFp.4OtUmATOQndpHYmXdcFjzrHSPJj8Tc7WgXpXdwsCvri5Ik7bYqwy3mlblo_AnoqkVC_ITdzwHrW60xp_BuYBzgVr2w94lv1FvZNKdrq_vLVQqps6bFtlDFjn49D6jQhgb5BAPjnonhVaSL8I48gimEe22AGry1s_t9ryPopU0ltrq3dPbDWDmnpQU1B08d1cm9VVqit.xswf9a_7IUHth0evTqCcNGRJ3BidzUeWYvqP8jsEpDwMBR5hn67YkbWOv8qQwoPmpRDaAw0ryED5vINgZe_o0MPYa5G67eccsHPpbqdNOySdxRHzi6KQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f84246e934c56a';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\/5106873429?__cf_chl_rt_tk=ekPj_lqYJp07Tp530R0hblklt8NtMjdvC4pTaY.8uk0-1739150239-1.0.1.1-cmMoDXi4E6uqFGu0Ngr8mkkWtUghqzKOnJmKpkT5STA" + 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