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-516857529621.mit-edu.top/post/3172594860

  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-516857529621.mit-edu.top",cType: 'managed',cRay: '90f852921d723b30',cH: 'ZxIMiOZT7NCYZ42OYUFpUteUitDKmK36WnWr52x5zes-1739150907-1.2.1.1-Fll2RnKWUUp.QEEdY_C5S_yel3FYzWCrMB4sBYB2AMs9s1WSykeu1oCFDzGlf8u9',cUPMDTk: "\/post\/3172594860?__cf_chl_tk=KwtiR_D6vDu0howjJUV09LQe9_aF2tiRn6OXYnsb0f0-1739150907-1.0.1.1-lvBRskB_NL76GuPFjv584G9SWzF0bg4XMSYL0QPsVdw",cFPWv: 'g',cITimeS: '1739150907',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3172594860?__cf_chl_f_tk=KwtiR_D6vDu0howjJUV09LQe9_aF2tiRn6OXYnsb0f0-1739150907-1.0.1.1-lvBRskB_NL76GuPFjv584G9SWzF0bg4XMSYL0QPsVdw",md: "4.5hiH7BIOLCvYXqc3HlXrFMzRsxjfHEv4Qv8_WIRwQ-1739150907-1.2.1.1-svHOgWkZ5hz52YdxqIqRYF1N4lTtMy.eMbQJAh5v.FbybJLITPIsii_iFbofB_PE4vPwKfp_Z22e_xBm_w_VUI0QsQnTOtBDPyRnHUru3U4lauAxoXnv9Ymm54eLJCDXdXsgteTWeG0DnEkIByolXSl1mlitffPTyXjowlcC_KYUNFT_1DnBHT6o5VLLcEfxmlT9RFQQSU4..v4L7SThOV5Xz4taqBPi82j5ENXPF3AoahV7geDjJpqNyp8iIjnpgmCcweYwLVuSNMZuiVFd4LYctTYb4HDMEQjr9OrK7IzIt9xRyjUfQlRFbPj_g8_5bc3wrx4rmEuUoQ.e0E2sR.kpDh_9Fb3hCxILnt59d6LudulqeeVv9hXNiEzPZQ68XmOH8u1ZeoWPBuvp.JrwsnsXbz8sk6egQIo05ZmEzJPtX57MgYgfgZ6suE9T6fKh6XBsVE6q82J6wxb30CnCWgtAQWCwDOzR3Iv6jg7VyFdXmwQhdExcSS7DsEMeAeWoyq1_4gjeMLXn8BXR1ZAy4aAPT0cj.gDHKFvp_1OQ6OX2V1AYnr0VyWU79L1efChqlPpmJzfdYxF_K5PDKdqk5xLHuR4WB8X46Ra6t0my0NVmz5z8fjXnIV6n6y4OR.P0_Mwgs30u5eQfuvI448HeO6HIl9rSvjJ_OJuog5iBNE4KES12mf.I1JDKwdctvv17KJ4G21HeKqJY0ReqlEHHrHp2GeA1lqoVocjfkY_29KGt7oR6U5nc0kidzknf9S7tmu75TZHrqpHxHAbGHNrKQjvtsA64n0V2G3Kx9rDSkm2.ub_hczgxmz9bArCevK7yntN3.kjlxE0gIFnppLOtIO9IZEXBBJxh0FNg7TuipybaXHmrRO59OxrhSunJqKrRok6qZrJVs0cBNCd0j7.TChDLapT2.BkVC2Lw.YLcTDzs6Op_TlAfOaIRsnqfn2GEpDfx7TVZWoZmDv0tQM2rMDBeAsdwMLHe1mGpLeDYCq0m0LYjhG83KPP_yq4Ac3P5lItv0upODLX53tcvBL3VfF9LxF7lJfD2Cn1yOQLEyXD5gwc2KHtQJo5U2JmRLGtIvV0YQH9NFXzi3JrkFFu09vmnDaqn7MHR1Wl94Ned1cyH9oP9jsKkg.UXF2AtR0Z3a3EHEHh803qIjIFfocDXaszyGAdEZjBLtL.WTphQtCh7aJJvBQAaI2E_8eylwKbR0V1tfGHn8pctbbBWH6zHZd5aum6tj2ysi8dgUqRrVpuLWkKhqN5t65Ei68j3d8sZtNtAXfDr_AJ_U70BZaVJ78cg8pjNk9ztBJE_EAZ2wQFRT_fYhdNT6v9eDiMwK.VNlAKuT61OXtD0wWyu.HFgvQ1AhDHYH5hUPgTNKqaXVX4_eyPLz9YrTWzz36LBGQqkBLrlQci4bIE_LVXXNgxW52cqWDPYBTMjGG86.0qSS_ChWArDbwFwmTwGsvzY05yK6RbxOiJR2PkXQrR5rYXKzkg1XZWDBYfrqHyMpY7XdLXKyjnZHmuMsNuuTwXjnZjl613DHRCaRpJ5QS9LYDS55_7QSQ7g4Yp0r8fnRlvIFktj_vu2d02T_WZXw1ymljx0Ui21y5MUGmmkq_efXfTpUOmiGJmSqEZgvg_GfbSxtZ0LP9CwVOuD_KfqjOEfjyOl_s2wJo.fg5CfLYVPDOQJ4DF55nVlXI_Pqhz2Xl35FbdvHWlFuLKi0WMMsILjunrsbYKMGbfoiewSHb8r_kWaVRB8jjmTNpZVTsDd6YZlfmlmWk5TsAGNN69z_mt92852CwkAMuih1P.kbQ5_FiNKY_fOcO_wjiUTmfT68Q13y.NNLxywmURhKoYUG2TWitkNMkEOM1biiLXT73dDkv24cHl9BvdMO61nElnqupDyUQkef27q35NzSFMAI3kvjkIANBWLGssBE6XyyzrR6XtXchcyZg.MRUnasQYGYxh6d0xu9qjbQlDGDrmjVyLm4HGjP3ABdQK_7kryn7Fjf2Yx9VGBDIG7MTeu1HY4zDPYMeQ.1C3dkfN35eThuSnHA7FuQ0lg0DWzhLtWVEqYKTy1drDK07cwRhXAu4A7kasBwaoR3.tkEJuKFNHPGiW9_9o1.xZW1CwV43Q358DQVTbtld7hBaJiRZ13jHg5upTsFmKLYxg.uTCSvli3MPjbbbreWdmSzY1n0Opd17dU6Nb_jIosvcTxixa.6GzwRPyspKn8GZN9cx07hqPO90jQLFoM",mdrd: "OVSl..gZDZ8ljp6ayQIEGCW7PZDnA3a67ZYZhZpZFZ8-1739150907-1.2.1.1-x2LyLSOSM7UIV2M_DZ9ttU0uNj_p_PwZegfJ.lTS0kKBDp5Py7NTnqe9mkbMG4gwQY7iVycESflRQ3Ty0y5UQdfXcFUGSwXWRU6FqgV8SgpWPvAy1dC8KoIS0T.X4fZvk.kLZg.wHtHhvzYPTnaQP_umjCYF1Oeos9yXNGnn3.9mb38ZogmXyn_kUXD1Mv8LR3fopitxISILTSe3Heew5vBRi86F8.AUYVEi2_rj6RBZEQq8VCPMmCMzsotW1UeK.dKIle5SmHJDoaL_2GnegqY1baTXiCD1k09_RQdQS4A3w_lk1._GDuwAZXAP_gafUYbYeIoUlNdXRlONnW02lINmzybbQdQVbkOwii9Lyp9eAINleDM8oYL1_ZOlKK.PUXHhMY6q8u0EIogqAfato58ptPFSjZtCdrtmKntl.b6I50lA_HfevYmrqredDM9bQcpsB.IgUsMpD_Gt0uoGDtJ0NbZCE9KUfzcsJI1zGTRaS_jgV4AqAhpzuBbGUp8DhjbQszTPnxStO_7YIB9Jn35D5y.8GSWmG3c2bAiH2gjKDDnWo6bJ_X8nrd5Hi.C5yHrg_3GXqxY8bdeW743fFp5SsWidnT4J2x6UbYBpMdq9pxGwupK_i4jODGhoYh3KVHO1NL39j.XFv5.PWqad2oX4lgW.CEioOowdU1jnyQcy0CePwmsAgPzMShgnjWjx_yMDkMSVeGc5rPV3EB5NRrq2SAquqgJMSIH_rx2iFN7psIQJswVbc6tisjIRC8cP2ohGZPZMnG3N6QouX264.tRQvjc.uektHGbjWsHyn8DFkc4jDhcfPV.o6f1TTEAhBLbeEdKgebQxBUZmMfVt_X9lPFdUqHB4dSPSnPSAxefXsnbw6Q5r4xN65b6oqqY7XvHCvZlOu23zJmDIsWmlT5IrvuccW9gVU5Deb6dzxrXL2xOgcoy3D67I4WGTkS3lz3u6L2WmENYMOvYPoWBSMgBaWO66ErrH1tVTLEQ0QeEiI59GVy74ALzI0YlCx1sYURf0mheVjj8dFSEKWSFQLDJDzDH5jpwfrKQeMop.TCe9bONR8Ro5SdGotgVAkTeeMXD4hvF8aNEL4_f1hCKmH6PGa_JwLVtI97HoSmhCrPL_Tppz4eJrUH0LeSf0Pxgq2p04MQmx0tqFKwJv3hjyvTt8MMmc0YczNX0Os3uOF9VyMcsWJ38rqRP172LAeFnXC.FgHNTF...ml04H0LsX2Ep8_uJ5NO_cSiwyhR1YADOUh9RL91enAPgKXer8y131FYQWuo4CU5VUhZ6b6L5YLqyKs3O6M3pfKWNVjHQ1_jWZ3belDnF7PujvNoAFYvKtqaZwpr7Tacu1EgxmysSFNrr_bzEO7fUahQgCGbdok0YOXSOM9gO.AFKVKshbUdcak3Y4UbW_C1z2btnh6tA3iIAK69qe_2Aj1xOU1F5cDWNQEgKuPTizk6t4nM6RexOiCUe78mZysjWt7giiGLpMhP6k.19WUKjuDotL3_2XWgW1OSsAyMKXd5qI7ZIr8Ni7UMgDZfP6HBEMdJ.EztWbrGWdTfv2RhMOWEnlYJRcwZWhee1Xe.bEkvYg37DiPRqb93TLgwIZhKQeUgGXbkJQCAryYgeGbqfaB0s8x4HtwkWGIEhyqegdI8MPkvsymKkCT3zUkklvJTfUCVd45BFsyvBMEvvMgVG2cEVEfhgERYvMnVuSdJP3DL9NepRVztaZVsaOusJvgnHfyvUyX9YtGoIxnVDjgNExYrgetf2iuksZl6emrMhdmkZM0hnzj0dTQd6pjX5RzyaryX2Nh8dUNA6d8uMZRns7Wt2dh1oib_HV9h.aC66Lw4ppkXPFtyGg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f852921d723b30';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\/3172594860?__cf_chl_rt_tk=KwtiR_D6vDu0howjJUV09LQe9_aF2tiRn6OXYnsb0f0-1739150907-1.0.1.1-lvBRskB_NL76GuPFjv584G9SWzF0bg4XMSYL0QPsVdw" + 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