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-982779391484.mit-edu.top/post/0268731495

  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-982779391484.mit-edu.top",cType: 'managed',cRay: '911042ddcec6390c',cH: 'C.ZzdJlcqaBgitc.nKydFWZoGl.DdHIWx77XKYIoYCY-1739401922-1.2.1.1-J78NZRzPJEgw2Prj7BOxqEUdXHt8KuzFcciQEWKRZsxjmtaEX2dtK6wI.0D9BDSm',cUPMDTk: "\/post\/0268731495?__cf_chl_tk=XEUNJyNYMslFB5SAIUkIlSnXThwvVBvSjsARz31qbF8-1739401922-1.0.1.1-h8TcjbJ6LUieeEzY83eIrlHRsC8lXyay696F8gYyoNg",cFPWv: 'b',cITimeS: '1739401922',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0268731495?__cf_chl_f_tk=XEUNJyNYMslFB5SAIUkIlSnXThwvVBvSjsARz31qbF8-1739401922-1.0.1.1-h8TcjbJ6LUieeEzY83eIrlHRsC8lXyay696F8gYyoNg",md: "z_pKNQN0sanA_eGHs.MzwAZrDTWoE.3Z4XW7axXOxD8-1739401922-1.2.1.1-9PlDpYY55.yD0LDUdslYZHThfiXyRquPYGQ1iKfpyJwnFla6W8KQkYUqLavEeM7tXxEQIUBb8ThDfY8MaO.NfNYVlOit6AZxy5P06caRjOiguPwF_FNtHtWZykcouDh81qM186z6OfVvvsKoH4W2QkAULAYirLmfRo8bD1Jsu5O4jDqReu7tPHd_TjLXkc6nc36RGJ8iQsg26oRUFGlTv0N3D.GaFoxjH2OVfg.WAigp87sUFcMegYtsx1zlrm0gtHVyLbj0Dtzz0wX.8uBUwQWkeVFmyZ78cO.e7v68d5PKom21O0MYvupG60rWACBUz17qgNGw4fQuQe.QaGf4kC15rZRPOK5wv3NwF0qvpoljB65qJYCYa9XAiZsP_kZxm3l26E_kyLziHzRCV_4ssoz9lUTPdoehgLuefq36kKrZnE2YipQruEGcN01Z1_1Vcptow2u04BN51e15xz501Py.BxPsGkh4c5XLGLorPiTQOMro0brOa5c0nTuht_2l1HebgRsOBZpl8pnLDpYBKI5q7QKEWrDTBSVkh13HKgUgBw0sSEtsg4etXfH0apjFyHyUKQEULo_BjV9Th0apVqDvTTlgtaGzFjHepMkNRi8XDcI1.lGh.t4SZPpieappxk0Uir2y5OxAcDnc.S3xJutTMUg3zD8bDNls3rJH1FppienbjA2JxwRMU5rmzdAkDn9Ib7Iu4K.qqH.3EnAdA6CKgsqm82LLeXxH1.Y7_gAziYNxCv8qq3JVUTLIjIkawFmE3xoM7aFdGTKGxeeOsOlLV6nO3iIJWR85EdmToDBUCIw6R8bTuOCC7cgn_eVE3C..TW_xCKGXnl5nZYnSSb3_J0T6dsQzWQ4BzsM3SJlkcFTJ5WayiIQOg4Urw9DfDqu3LEvd1qE5iAFqNvkNpKWb_enLxN_5LYPxIABh6pRntbNOMjQYRY5DcWOYaNNHnyf4zMJM.mTFLJPenAbhMpSZ739ApoUTa3g9IW6x0y5SXBQaRCGPx20vy9Ytdi2pzo3eNk56gjjlrYNIHV5q95d41LloN.6ZBrTNJA1OUtWjPy.9dtlkji4RiOa7iSU8Ie9V_AD4ZEVZtRVWywaHRnOdvb.XypyqnXxzvJCpsBWDXlaPdb9z3iW_uVEu6xphitL59yhHI8cQ2L00BBpXPKlX22YyVEl0MZNv2gHMpn2K45Rl6_W5eQfRDRkR09K5T5U0NCsR_in2MwbfwT0vWTqH44Z44YhDvV44_zeoxNWdAOIo58eKAsVRAIfYNffaoC6Fp.DruU3AFM1sRIBLvt1n8n7rwPK2RfjVEQMqUXVcEaaYSC5nVJyaBt7oeJOY09f47C4QlQ8YGJGpRSHdMDplIsIM8tcpJy.blQm1ynOZFsR5J3rADr3BNyeMsMSsopPXEWnrr621jCBznkw9LwrW8JP_kST9cmB3PlehzEqy8lYbaoOtN8FzBu8DMpgTzV4QGsumiF.HolauwMo0REAj263O.ZbL4Wb2Rn_dP0o3A7E69.05PmwDc4yixDXD8Hcrd8Y4zWKlwGZUNghVtdvgmU083TKn5OXSK5nohWZD_eCD9ke67X2pkCpjbKlFsCAj3wxOcEXLQBqfzq0mv4hDeMsxWjJQ7UfA3PhPnCyT3xV77xqlfuSUnvu3d5XUuD9UHRZMwxc6uef9J88pWQHBdbI2er1JcqMGmtd3uLtHbg6ef90JuIj4sa68A1X5fFIMXECZDEkuSxVRiQsS3uByAiGwmMVLhRk1AOxiqc35UDUTQT1.3a0sIwqOJaTD.GtzNQtfT5slmmaj9FJ.8p.uUGqA8rMCg93eTqLtHVQw126Fmp4jJTiIF68bMfPrN5xALAeNYkaXBYRrJKgrRkXyxm7NbkMG3jlgNcTwn71QlbpbZv3lyzxu5Au6zGURoG777MJ.1TKhXkX1FJfJUauLRop.TG_caxbsxnhizfQgMjzdLhrJEf9HC.L3RpJ48bi0W_4AuSjAKXElJZ9gxzIcLs..vVFv0nhWSd5zP0Tzcf6el_u42jilxERIq6OyBl90YVNMpMRkS3ql5TJkn9t8iFGnMg3EyzW863ac5p_Ury2HzeMyv0V5ibqhOcL2F3BdDwciuydjvhbt0o0qlTtWrSCasoRV4p_JSbl4WlcykpbGUAePXDk_jBPU2eCGFPKcSOr7k8cPNeqvcBZjzGHkt3ctt7Qmx46jR8gPxDBuah.9fM4KAmXj1wEMOvQU",mdrd: "XGslcFsfwhxDilZdjjaWjTxQXAHkM_Wr_y3H1qqdCDs-1739401922-1.2.1.1-yFLlkQLqyOci0pw9qWNKj_JA67c0Rdyo.VelHLG23zQ2hMNmmKLoMHiqSjgyM1slXdyhzucAC4J2d_zI7VNJCfRBeCgs7kqD3ByZdClfqx6yTa5coftSiOFwU982Xa9f5idl.TwEvQ3n74hK8RxyRUflHBEvw794QYAyvhtl7vi43S2MtyH9gxYylrYJZBlET4ESA8nx2OfxGsvv_J27RDQBEENsCcddRXMkBjMlMmf2KpnAaKq.t7XzgdCAktkzc7vY2Ol4Vt7P4lZ9pMWJ0EONAoynJn87Y7P8A44wl9zCuy6IKwlPo7kHhVOm7u6kIoIw3c8PkDg.FM.avIKy2G300OHQkRdZkcwJ2d3zXfe4MYR4oxbI1WLLvcyWSQrk72m0IypwBlSJDVScw59_9fUKLptAZnzKrLl7Bh.zySK7TnJdBL_AozYx07J9B3rxAHF4BYAislqFn67B2vMyIt8Wu4EgPeeaWJubnmcXiLuEciTuoJ1qW2RTFloA7m.vG1Nk.yIvHtsionnHZ8Ys5YUB7oIwAmaToizM4vUCJhvyZb1B9jGeCKoysdoSxN.KqM53nCmv58bW4LFChzCtRWL4CCmP0MjRU2LRi7OR.YC3XAlKAd.TbtR1UZCWo6WGIMhWna8eMaPKb0ZzqydcwgFtwQzuExfTttRewdXwYt3BcfLkPpo070jl06usQu_4yDrdG8_y7N5.0.TUzsBEJvRrzlEZX7lSMy4m_pahj6N1Pame07GgrfOu._vFv7WBvetvSQeoBCmCvYn9K.Hx52LzF6IeCP_CDMqjmf1nqLx9lB2am4bZ7WoCySy5E_nIMEyyRr85IGSLJkoq89VvXEVC7lhShHad.kXfI5vKIGKsX6d71n7LhysPMaziilIAEEykjA6JUXVjnqvMs9zNMMbP5o5fizYIOYy44_DSt0Esu.gaLn0FpkTChN9nTwLeK8EZy_YoFZwrw5RRlBrZS1rFtswROft7CsWNvQupGRaxmSTIL8.v6IQaH8LUR3rywwpOG5v6cG4DAPJNuT6zPkOzjNpeScqMz1HukhywipkOPFM9lQDCOR4hNgN39zVrF6uIDuilbeC9dz0kkN32HWNAuQDxGeJodsSAR0lWgA6qBrWKkgjm5soh2xF8lKgPye2kRO0deEN61wXPfPQLeFi5GZe8Gh7t6xmFHFe2XauI8fWjo4z28pM0AAbazGAFe8HzJLy9raqYAcR4kc5ZA0gD6HgppFnd9AtJkTAAm4Jbh6szHXe_N3nG36R4FPDSNEK_2wMpB67dHvNfaXKO1ZW6m1YEDT7u4HhpaGHf7HIRpJwVbRxcUS9G1BW6hYM6HRfrjYk9lJjHB90aYsW9pxDbAbalZGbFH9Itqtx0TlrotAaHscIWniuOG2pZ2Rtvn32Tl9PklgFooA_QBd0e6t2rU.vNpGjRhTzYF3tloP8nC8x._en60u9t4K6vKcxEWy4lzWnwAkbWMOPFWLcUodl2q5qz2WMl1.ZqVZG8vrU34sNHHlPUAmk.M_Z9YBXHoyIN49f9dzQXSHMcdySiiIYSB1C0ricSLpwA1_rtSwXwwNG.SU1BXtwjOv.3IHrn2WM.e4JN3zTtOy023GVor3dVfQenNS2mpbveI84SEI1OZxWiuB2acpvUe2IukVRhtd_dujxuW1CapwYQg9StxoB.1fmdECuaQUx5BEUg9giBGG5QHLSst22bABUMZVNZwqnKMMRHhavt4oxOcbh.H3iO32SYdP4Lwoa1RgerRKrx7vsC08QEU5d2NUXplsA.VlSNnkFXaJdaDFRVktgAFWhUoN7a1.u.qtejrVg4vRY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911042ddcec6390c';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\/0268731495?__cf_chl_rt_tk=XEUNJyNYMslFB5SAIUkIlSnXThwvVBvSjsARz31qbF8-1739401922-1.0.1.1-h8TcjbJ6LUieeEzY83eIrlHRsC8lXyay696F8gYyoNg" + 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