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-221051913517.mit-edu.top/post/2319875460

  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-221051913517.mit-edu.top",cType: 'managed',cRay: '90f7f3c2defd57e2',cH: 'ZcJPjUm4TRBb3neJrnLwqOx73qHxxgfRvpv0CZiISg4-1739147023-1.2.1.1-Dkx4U9MBwabMNBIqDVAVKS1.Jcfv3jPe0paBXjjX6AiOGwoKNRZWEowcdrLEeMHz',cUPMDTk: "\/post\/2319875460?__cf_chl_tk=Ef_0e8oY33Ers8gDpiXk.FKKO7KfowfTuKD1tLOX7Os-1739147023-1.0.1.1-s6VghMDX7IfijTS7oPPDYp5s.8dDSNPFP8Xs1uZ3FDk",cFPWv: 'g',cITimeS: '1739147023',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2319875460?__cf_chl_f_tk=Ef_0e8oY33Ers8gDpiXk.FKKO7KfowfTuKD1tLOX7Os-1739147023-1.0.1.1-s6VghMDX7IfijTS7oPPDYp5s.8dDSNPFP8Xs1uZ3FDk",md: "MJXKU8UY4J0PYRC4D5C0g3skvaUQSYvNURPjh9iGkUg-1739147023-1.2.1.1-05gM6lD12JRbohaaLqsoG7otmpRRN70TZ10sKPUxZkBnUtLBzrgqA9KuF4QPNCsaU5tnwSEe9KR4viLCsqoIf6YX4nZdlabeyiUNA4Ha3c8TYG0RNE..sC6IuPaEsDhyfinz3z07ou_qBeb4naMfRboqOHnPm3oUUawQaE6p5UNrKSnF3QHdd7tNre0rXeFeXX4tjfkDrT6esAoAL3y4kjQE2NrqAb4hbF0ceLlc_e5Gd_1hiFOA15RM_ylgZ7D7elKGhy57C8L1rHN35MAdatoPAZ0dbG2xoHio6t_0ghi2Xc6KUv9Srxm2XWTtj.QRGtDMRILZiZjUC3eqcnT_DbKjoWx0alLJa9tdcKyP.UoAywzlZm9Tmx.AJp9EXorD4kTu952MPP3XNJrg2x84HmsT26TpK..cLXipRd3vryZPWhr27xOkaPYhUNdahNBduA50Ayfa.DL8ejipyrBf.Y1FJn14LQAH1xn1X50GvdLsd1XRmBSs6PcxZLTUMYcEGQjlZ6S6ZvPFj9D9Fm.EhE.CncZDA0psWt4rSe3G5hIKJ5svWWYo2svMa.LHq3PeF0RgAIFdKi2QejmEdk8kVfyG3sMQQKw210_KjeGW1EtFdKnDt_t4nTYbOsIWrRedhy8RoroCmvBzbvh9zLZjggaoGWbMp6QDtLWmitw3C.clPcwZWfEPdt3oAsZApcqmi0vHS_oTU.4oxudXjiVvhzomm3FbUgDqp4iXBcX46COhGe6AZ8a5TSAjpErpQpH8XwYeFM9My5ddqpAQPpZ_mfKnl8Ul4gDqOuJiXavs1EfM6r8_DoO_sEFPp9ZVmQPPWw52BeUe3GJ7CzW8P_y2cNQF7YUyjCOY0nKPPULm2qH5BLI5v8tQDqj9GyBU.T4gzhSFrz6AX9KZ8F0LoC15AJH9xPTMIkKHI9KNIQRkta4LGaRaqNsjwS2w84G6TyvV42Im3RW5SD0cdMHdNhHpgTpkqgdG1UszsTupVeb59U1_5m_OApS.MjGc3v.0TXtS2LT4Qt6yyJqvdDlAXtDAwH.9ngzclZ1i4gtriqVBQ.c8RNifRnY4RnBOIVxYR0XBwz.oiNdG75S7C87kFDVy_HTfyq3aTJsLh96FC_rC6U9FLNJo5Ww81gP5r47oRsrP26VWfCBoqlu3DdzU07S0fe9DNHS6pD7o.tBIKcRCBEJc_ESMKZ9ekT00p5yHXS1AixNBeP.jgHFNYBCO.r9LnoylnCe1M2XTp1h2J3JicBTM_X0MLxfUblGK7db7IPCcq90oYB_tiUKtKXTt40F64q4XKWKJ.Ek7sliRzV22pVkrBvP4rJZaOLEXjb0rPm1BKRZZqavYSX1CWtCSbkDA0OCQLOVrzJhDGZ0BqRdcfjhYzPIfkiZcAQhTkQLZqcUDh7raZ6S6gE527gYPQCD128ngnbhdyWepMSHjkLB5a.l30.kWAU81tOri9YeSaiBxx6evk_xyLZMNBhoKf8EATJkB9YWcW0pb804bmDWqRhV5R_5832qtwwerbo3Ab7iXWyV8t4bR4fMPhORc31K1UPOrjIVxRJ5ECgSZO0kggyuhWqpM9GuSnV0Xf1IrELf7ws7sb7sby9HayM1ClecRUgZKTEa1BwnT7ADEimAigVi9eo4kHbS1tEhwzlEW00iTJEbSnQZIvi5LcQkRYULg6_4jTWq9cJoRaTcMGN6.zymq233O.GTySt182BXrteOx5K_Z5SR9AKUgopF1BpAqu1z3IjNKh791cw8Kna9cQ5SqPQr9.q4dOFwwwFEz2dVYTe9xU7DAD1W5Ju.4_yCxewwUTd_hHQuCVV9lrwJtzKvXqyGlOtCmFw8DO3zR7Y.1HPQRfooQG.GzitLFplVDjfb0HHR6pqTmt6isLg1UdOJevNwmNDIfA9HnQjSHRriInQNiXo5QxIloXvBme4h_NRMy70MAe2LWYshc6uXHNVOjzFKebzfZ5HBjnJm0Tz3Sx6ZB2MPh.et_16KCsb61HAYDUkoLgyneveFJ2rSd9K4zZVAZDhkZOhQaWEUeIMRzkr2_g4M.kITXtd1CNnYc1W6.n3DKGGfHrpkUXAvmjYtCdplLA4NeTbw7N.ye9KDXRqI5GpJhRTIDPJCfLFTtjrdn6ZMnugWJtS17GJLNEG5o20hFrIOmsLtW5Ta.Fd59mm6yROdvsjsyVApbXjkrZc7kT_R1DmvAR3oPBfOO_P_sUZOnlB_MHZPOahloJ40C",mdrd: "WPwtkI0sRc5.61BRMeH8suS6HiwypJlB80yyGYtEDjg-1739147023-1.2.1.1-OE6UOXEUT2pAprOD9KsirEeIrnOX8GZbyn4lCfuX5X.r5TY9mfp2B7hRWaEkr0uFXOJ0q0m7R70AWtNVCqAbudLIWCsHhB53Ethd_6entmnkXbYPDxsgXgx_XLLTtNLGCEjMHIBllLeCwumqrIDmW8zLU2siyQ.fZysQ4tVEF9cCFtBKmckRCnJhCAIQaprtm8ISuaG5W4HZD.LiP7Zgjkd30uFKGCI6QW10ElDUgiwOCNXbc4Bx_YxXb3eUKO8OxaLzJkEeUNCwR_U1LwEjyQpzCs62CIbL7bWLfO8wcCJfE4bexSUDYlr7b6vaVhI2jaP.hIEASnhG15FZPe4lcOHh5vcOGV0f9MDHOAgInaHqPM3KsiQ.GWr7uCxEvfEm52fpcFS0wuu._PCwz1HBYp9wx4WT4VSHbImgq5ohCBYMtzbT0wdwKU3rwnowiunNL39Xe8InpgfaWiRQste_XyrRsKv2T0akcI10V8fypu0BfG9DKGbihtJ7oIdHRojeaa0ASLKl_l_guwB6GGugl__9tO1pzEPHUccA.xujmiM1fpyBtRjMk5w4hBhys.j5CLrfvsl9K_9PlDpS2LPjuRuftO_ZGoM6Y9d6fNl.f1xSobRFFXZOvcK_o47.xaYwWqRDSth9ao25e02__l_Ytels4h6bCIEgH.KvmvVXeestsJ2aetogTFaxTcLvoDCRPr8TwCDLed8_qXuJdYJKN4orT4xtCqPzVxNqFaytK8dMjM1ilmFrromXsSMrmMKQI.Ttv8OIP1b1_mtDhOLXEwtO1ZEhC4HoZmiHe.AgRTtw7urXpd4xki7yoqIUtLKpBYJzONkfEKgi2ivkFszSyMAzuu0ehCxlkfsepPS8rvN3lYPWYF.lMUxNMVfa5.CMs1XAEFaJ6gcEJX3Og99O1HoReuvwCibntsoGLBIH6Xa2ZPO2PsWNL3x3CsIcm1B9_T6kotIQGw7xOSFoheBujsxDLPBJmZryflIB857Ke.FlHaboaYmBn6_5K7s1wkxBnIJ6rTAgbVYmvJpiA5_3ZAR_55HiJjK2QH3lfuviq08yY5QGEZa_MGZuQbPKC6ASqBk3IW5iveSqxBBk_ZZfoXe8phzLS1rpn4fLSADtD68hwrvuTlv8qqJH.PLmR3R_ucK2YzUpbuPSduLj2L._2QGarMCzWEZltjIbcOL1K7D8IcWPta.OWURkvFeRvo7De9l_q72F3.o7yt.qPCjkto4w_os_rnbLg65bPAp8KHxUbNGanjwiKEU8X_fgRu9kPLF9bEA6Ze9fDkwkK4GN4NZ9k.nRu8fv1dvd1YDoEATiK3AfC3ha5bmrVxNeVm2HJWV7SynqMtI5kY34fyRJE3z_UjQl53XrtCNiDa5czQ24bTspfjR9OguJlMEcvmPYmUBGH3Q26GNf6cjAGp8.atVanqvJx356qXnVIlYbiDr_POszwSQGK4cRbozJYcx4p.63f3wxBkc9GsKGTqzv.dpFzYzyXeNFbxREgwBqQiSw1Pm0h8HDFuNs0y1UQjGkTF2qpCMhAtaiT9Easr86M2zio3e0tYtdWjsPXdQ.tGBei7CrGaSGMiE22aFQ9ZPc3MxykiK3LzqIrCL20T8lTz4nJ.knW2ECSV5uJrpxMxXaqF9INwAtygMYEMqv67Xh.9k8sJP49MashAVpo8eqaAMCR_G6G2b5vUFK0mjO53TfDrCuLiZAgaCCWauX9eTO.VHsXuxtR0UtnAF87WAzV1BX9lRSMg__tsf_Uk1cBQmgUDDEN0KPMzz0kw_TpDZdZl_Btn3GIKyEgvfxdXrpurVyqt5xIuGelBbE52c8A1w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7f3c2defd57e2';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\/2319875460?__cf_chl_rt_tk=Ef_0e8oY33Ers8gDpiXk.FKKO7KfowfTuKD1tLOX7Os-1739147023-1.0.1.1-s6VghMDX7IfijTS7oPPDYp5s.8dDSNPFP8Xs1uZ3FDk" + 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