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-4983127506.mit-edu.top/post/7390681542

  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-4983127506.mit-edu.top",cType: 'managed',cRay: '911049746eae5967',cH: '_.qFfcZl39L01o6k5UEtL.GknXoK8p8uaFO3dy0IkbY-1739402192-1.2.1.1-JZ2lCbcTPYPkCKtHtuDfIg3jxIrKhQGlctg2m5p8vxo8GlA9O6f4gAHMoJiyPz0r',cUPMDTk: "\/post\/7390681542?__cf_chl_tk=.J0_n47KRbU6NQfOXT9WKSS0oKEKv7ZCH4_cfaKY0Ik-1739402192-1.0.1.1-rfRGz9oiOlfpW5z5sivMA6g0G0ALo8qVy9uRdhZW7jk",cFPWv: 'b',cITimeS: '1739402192',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7390681542?__cf_chl_f_tk=.J0_n47KRbU6NQfOXT9WKSS0oKEKv7ZCH4_cfaKY0Ik-1739402192-1.0.1.1-rfRGz9oiOlfpW5z5sivMA6g0G0ALo8qVy9uRdhZW7jk",md: "i2FsLkiXoZyGaQjO1v3B9YGosdIMbiC8AhpoKbsQ7_A-1739402192-1.2.1.1-o.MuberjCbhCkUJieiI1X7sv6uQg.SigIFSDYtIgInevwlPpSYe6TSc2pkV0XkSgokQHTzmd_PZz4V6qyPxITYlKQ3_QGp9yflKLZ.G5YNbMRnVpv0e6dJx27GgUgjg_BIfQzGhXayz98nxGiAnhzaYiuyTAFM5PV_HWLHlj8j9xNbfZ3CdjbhJOyWgtWkaDpypopLSY85phP34dC3pUHtcSZl8IS9XJDB1zppph6ldVYegnHU0KTwWArgFaa2EL9MUt07zzkQ2O_sTaIFrkfaRNEYtT9kWTY6Bl5.ZSuz3aj_nyYnafKdmzs0U1MiLSRSVfaqoDG0yaAD_UjzRoRpx_Qi0yt5cLcgKMn0LgX1OGIfJbV0bRdXLtX2bXGa3JfZth4TCOvG3B80zChjkZO1A4PeOkhFkovVCqt7Y4A8qdj60P1..9Nv3Y0YH2MJau0DNU6AbkJAaaxxpnxU5ZTLxWQvyZpOXWXOl2Gh76RJDyPSYAHWHLyzQhcEHAARw5XzeWNnxth5cfcAjWf55WOqbpQepMYdHkryXNzjHwaLpWw.YnR8NEvKUxmwOMFkUIQcG.O7z4Gwqorcf3zP2h7LcdNCs6ySEaa5zEV9t.K.HNk_WEpb1EsIH5n.6_BzPqZUc7KzKeTZBs2ggdeHsztjkeAwkahswLomDSNOCY9Nq9ZICGPLfgNPvkBk495Yi4x0Q9plqtUNiqsQecjAQkKdln_5a1vtsCR4vGnXM1EGpQ5cJOt02h5lY9EMveKwDaFgt4wrBKdIwLWBFfMNREL3DaLuBvvpHdz8RcmyRuQc7r80DwMxbBGBsO7XtXoL1BlSIMQSTYq2uxA41ZYDPren9jD1Div1vC2hxYolpkcco..Ow1gGNlvQrTnO.6BLgKmiQOEqX70tUV_KPR7bRmVTSH_IBwTf_iUsERT3ks3qBitCVW3WAGflI7xFQnaxJY2k3OKdIPTEoBilFOQdD2dsp8a.v_yckul_cS3t5X1fX0dUp5eWLUjeqI6lNMEDu6jOJEGS3ce1XSkwKIHN4_mGC2mVUawuO7bHTX_hb_yqqZzxvmucI.sM8XfMS4wEOgw3tykp5fhwzfz7PtVt8W7jlSKzf7HRnZgY8aEjmTvB08obgVnN_UxY4wkNeB4h3jGn31oQp0OsXvCuxMfR43oDtltL9.PqV0Q2WsuGfvkxsuY389YrmyBAqkCafARfcjNnA9OIFxIcCr0oHDr4OP6mFwPVomeLNDOe72DlOnU3RiRcKhNRFavD5AUrB1lAvIpO5kA9L.vuVPFVf9htJWqlKT1odJYVPllFL3dzambC1jkObFqBybdBzxj8xcGpacPI939GEdkjeAZaLvt5Jwk1egCKRqabyiTmsPzilK8EMHXlnYbpoQVpYKu6J9rDFpnyQY6SS0pu6Lfma2frDx1prZ_KQDdKFpuMWBTpgl_3a9amONwi31Psw3oFc_Gut5bvmbjsxOy5d8bRmDIV1K9.HlWF0O_RL1VO.9nx2hq1Nhiz_5kpC8GHerySDdRsSHn7gOOV0nK6TrMLt79OveYRV8g_VlyTHmqKMiQSS3TSmhRwCzlJHrou4PBI5_GtClmm2tqQLhOotHalt7hTWajyCQn.pbYWePUlwjD4tKpoPvBOFfB6oR_92ZIGjJ.mWgPy_4PgSIA7o3dKk5l1Z7q6SQPJ4xxy8VCzjUi55VUMVlYdm3CiGQ0vEsquR2t5XQRyncheMwFX8MsAIBBfb.YW00wkpTfpfVERhhWM0.wifUbiuPFLU4w56dPZPuxzwfpCQjWn4pDWTg33zEnBc9ThGoZWUGb98Lo7.n9ddtBEDurrzxvZwa2zOWViAIV_3JN0T0CegsN5SHg54d9WKhd2KeT.b4Phs.hIBTAejRp50J9gx6_P4V8NsUGsAwlI6RI33I1abT4Tgu6fDIK5VH1oyC7aa7X1qH4_MRkBuNxAi59k8.VelYYs8NEG.PFZQdlfj3lqPx51Gzza9DvLhCTzEWXKxGb541falR6xcY9GGvrgcA4dinA7H1qo5O0MNJ45Znkw1T6A6XVuuPCmkPdUPJB4bib8lZL3sDf9r3aeJ1BEkDiBLC31N4PB.qxay97tPWzWwt2y62gI3jQ2ebcfV027vSiIAGLeHW2Ej1_L1QhkX2Y8jM2SwVcwW8_Wn8mejhNshSo5ejIjYWza.28CerLRNnBj29gxfuea9OIPlo46jtcuxkI_cMLjYba5RP",mdrd: "qClcJgeZq4jVd4fTlqKzfRd.b_bKqne_MBG.eQv4fJM-1739402192-1.2.1.1-5RFn4GsurjTSFzIpSerZJ8NnLi2ea374YC38Jbidc1OKYmf8QynZn.QNErVSWV__3g1yavi5Vg2DrBSge76SmcvWKw5AccBnXncgmQDLcjamVJCmlD1CIYAL0AHIXjoyP7g1Xir8BJcBYGyNi05eFQPQrIaOhsFDqR9KhnuFHvfu6WmSE2TJPyLpnoHLzoi5moLeWEondUD8RB.fW8bQ5Biw54eUwZ8szR.8mmD21w27JbMa7rYH8dvn3ODQhgtNuWx8BuFI_LfmxQORAyL8bbtIok7jIO8GdSYK8t4tg.gAyhqXuf5lHgXdZtaJD4tGlUl7chRcT3z_a9nnqUj5r5aDOruDydipMXP8_0meCITwlHfH9Sr6hFWtPTK.swQg9bkP.evVrF8h1fvJec7Cln5BKYjKRDuB3AhbgKbWe63PwJXi5Grx.mBEUukra_zPK3szEta_MC3G4ttpIyL_bCVKek.l0pFrM.Z3gwkcfoBKCj0Bv3_QlgOnYEUF.B4lfWaW13rxhWR01VU1LcTn5mO5No5849bSodY8oeLwxPwrG6Kk8PQEGNTwQotOQDdeLQWVAVJUe_g4FOzIFDwIe71hdKVzI9QCU9A.75ZWLfo0mScYlVLNluMTUqz.nV3AXZAhz3mHmjoYHKuVRAy1Y13NJSrVLcHDg4JDi1SNqt6GAjnDV6N_97oT4TFqUW5W8e2vmx12MjPnse4DI8wuiKRTGV84tD5KyKOiWmWrmzKPRptxqbakROAUN5aaA9G.lVMlWpy6uNAk0L1eBsw6dBpMXRv5fiHdYG59kVNCWCgT26G5jwXUKrZCgWzKSf8PXeGT4JwSzP5NrLEM0TCZ7_tQu0WrSUmZuFtHSj81wnT9xB3vrRWKA7OczXyAP5_TEjDg9OaKDDpG4j4Lg3kCiRSCV5L1T2_cMdMoJOrCBF4ZyZ2wOYB4jz7qkcyzxhM5VpbIiK3WqYFzJoxGSY4PaQK9_wQK.ddmoqZBGOt92lTExnVYWTlvdyhtrg7Sc4EXdQjiiTV3U47cpEdH6GeCog9OymAUMGiWzwi6bju.HbX3tP1.Vn_MUNu2sMhmU.aCJvyG1wtkMiXnzFUEJuFnQsFlYIlOrF3sLAVqdHw4rKiqGUIMStGeaeXzCZVAfU7kG0KnDNmFnTdFHLu1_eSuihhfCS.Anem6nonApHW91YUfffGmhrXQxDIYzStYHMcRLRfqBH.mIMLiGRPIVxfYiqNi8xIPULATAeAIDLMe.dOzJl5_zisc_KMOvk2DOZvJs4oClrabhaf9CtFJPCqRSsTlr8Zpp.CcdoFQEPEZs8PEgJXWSBbUFuOze.yPEsxK5Z04Ey7QG67DqDOfDlFmddOalEBRnruxYEb2X_6gxswnWkF7nEHaQBWYLV0J8pBuWD_bWlV4g2NcjLamxczQ10_edioIBhznRZXs0BCkAOaTSVsgfmLvXz2jWv3m0lIRBr1oq5VeFBK2wJ5PhzsTUxGsYG4KYAnbTvyaFBL8X3vorQmHDgNdVRpMxntLt2fw0ns26.l0YIo5pJwj9ecFvEySID9TCIjwbz8ti.eSqTJOq.A.1vheFCXK5nN6wqefTCd6jiMelntugMxHswciwWDYK9s0OkX93fTAME2YRiQYoze62o2pEF1GHkuAWlpX2ErrBxGJdPibaXUZi6RqGzI8yU2oFZYe5sTzTEhGwepBSFJRAfWWjlkB7XxJL1YyCAjTFWYVIWF_fQZXQR.pURkBGZqqP3zmC3sMwtQKvBM_u.wnLEt9WCMr2aWkKYbTA4BdqAeVM8gdsRgOk_mBGeFDl0w7OlhJ5F6he28eVmNxhnjJsNnzHRmxptwk9hHv"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911049746eae5967';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\/7390681542?__cf_chl_rt_tk=.J0_n47KRbU6NQfOXT9WKSS0oKEKv7ZCH4_cfaKY0Ik-1739402192-1.0.1.1-rfRGz9oiOlfpW5z5sivMA6g0G0ALo8qVy9uRdhZW7jk" + 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