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-284479688085.mit-edu.top/post/0675398142

  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-284479688085.mit-edu.top",cType: 'managed',cRay: '911053ce2a8c884b',cH: '4Cwbaq8VDwtIq4U7uMQkqfz0t1Quhd1nwcaY5fi1TNU-1739402616-1.2.1.1-H9RiQJFihvvya22cuIxYrEBkoetGMd74anveUcleV65A1KCAWnnshgzgquMKtu.c',cUPMDTk: "\/post\/0675398142?__cf_chl_tk=YIDErnVeMG1mEqgzi3dLXXItTrWwerf3eWnPVt_KDuo-1739402616-1.0.1.1-7XbpKl4pTDVHnISZnae9dQdxAWm5KcrSEQez4EpQhtg",cFPWv: 'b',cITimeS: '1739402616',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0675398142?__cf_chl_f_tk=YIDErnVeMG1mEqgzi3dLXXItTrWwerf3eWnPVt_KDuo-1739402616-1.0.1.1-7XbpKl4pTDVHnISZnae9dQdxAWm5KcrSEQez4EpQhtg",md: "51HDaqEDBBI.3aaVcxJ_WaUTz12i.DkbUy.dBLuRoQM-1739402616-1.2.1.1-wqlAVhS6LJ4sw1LrH.7h1c7r2gsgnZgVaxiYw75kI_Jfe9VF7PkKCce1y8LNa2373T1_ABDIDUJmefy64uE4yGfSi09IoSecXisCp_JsQlCrfuoDH3cB0RV3odmL8DCqGhRfUjcY1ecXmyBXOOzCHaUgB4Vn1LD3lqhqKEP4rPbVcxstnI_DvzizJMb4gHe33YhI7J2MBLN9q1gDpOzUlYaAyK4ZWytbwyusHJRF8nPYNWHTwHvcGU4M8CFt_Wm.5v38IGbb8iADB_Pp41uo9QTOHTULjpMwFyOIHOyUfTb7sTx6cjN8RMllLpUQFXj2YJlrd2P08fVViAioWBvRkezCVGYQdzP5KSn7nec7g44XzUbRMSz9P9iAqFS_u_UUYrp9lHOyh0V2s1xGYUhA2nxvaUXUoDiMiaRa09Dm5xkMkTHc3.t38qlOoobsESC_kzl1yydja1WctMM5FFNAivjjtQjdoqEQJdCPbM7I0BQQLVeru306n_W.9KLB7iolsPR.5EZidYQxkmMmOInJqzYKLc0rSJUIrQ9.B7asw509w88pmU8Z7Aw2NnVvGY9XyqDJ2A0ZpJiG8P8GQ.Nx6UzW.hOhVuA.zPBG2fWSNmYGGCzgqVuMeBn.F4soCgogsG28NzGJS.sTsHh8073.dv3I.Ved7bERiO5KpzWBgMeOhB7JIdu3eEe0tz3lEq5dS0BvbRwuzTwVEj9NtlM2ey1r4_ksale7MDAmJRwgew.eaMztRBc3diadn.GFnpYp9VWxrMoBvf9dizb6fl7myrdt2Ym6Np7RjQ_9AIsDSRVxWcwzw37NMOY03zIJIZClINeTvHryItcsKQOQ.Z0pw9X77Lv2dBlqBUT4qy7k9VobJOkIGNOa6DOCyCMOw0XcMc3j8rmpFmlUa_qcMc7Re8ttqMo9KvManAwZvf_epFBs_5A0vyApAmc937pappT5PyUv26hsHIM320cz_YF79Tocq6VUaHIfwSfRUb.30KJZewtzA5QaWU4atDg69ruLiYLaVipEFaEUZZq_6xC2eVkp8mDJXuHUkcOra9ZIehl_ARwSrFuK2DOiKAFCP7u6Voh9YbNiJsx9EIlfNWOudOx6.vBgegYIYd1wvNvtatFgXIXCCj16inWpk_373cwENWrZlqNK_MHsts2SG4JqVJaKHbdREHrz3le2UAh41Tz8jQ9dc1J2TXCEFU73KDFXQ_jb6QmOAEMAC93QjF4hkS1y_cXxHuGu8eGyDUDrvzn3oxPxsDh1NcJV0Xp7jnl8BqFZHMYXkjRNT0Jh2xckA0IJ9.NQPQC2I73KdIrzgGDoVGP9r673wkmWYI9Ot084roY2873bNrEQr67UTnr1q7iosL6tlcSSDjAPsiX9MVpmJxz71InrMqENR6DtxnemuRWjBXZOh9XhHu5CokyfPmOcaS429QPGfLAsIHdF0rtOfMMAXOaB5NLAsoV7s4C.l1GA23LofUXcBImwmt7XUpnLuNa2cAVkWg4REHjZ076RG7ER8H.5e2gtbUxC4KA0vkzuf2fA6EFRLr_ctUyEpmtSuIUfdn4WoK6a8439Io.mW5T17LYnG_CmlZwSXA8gM5PkgodW5_VASB9YgwzgImqJZUglgZXQKNyymKkcwX7BUlZFkNKIAD_0YSewosuZz9uzcqlwbrBVjpmSYff3DJgJGTjgqVMLckM.6jVWRWGg8J9foi5N1UYjs4QL.TwVVQdSED0JsdqtjLV8bRSJwbQ5_FUHXx59woLkqL.TpVQGNsUy7lW9WmwkM_9QETIH_8Lw5IIEoYUDXTfABAGkOd8r3k2ZcHU.B783Xtu8SwPw0kivGmNlHyHkau5GKI42aB4tESqbriJqkh6EvnICtB6is5WKYK9JJILYWJ4l6SuUkdFcRSHvU1QHoksqikA72petB4Wx5MvDcZ.QeAmDAYflt.4BeIzWyMW_emnEx9ZQyPSXn1h8bgFTvP68tpvmIP1yQbFONohV1oltJ8TPI154_ke0XBbdzrEf8OvJOLvMdYJz8b.zGYVPu5CNOWzXGOMGKpSd2C8yPzfWudGYAD_xOpkJJa4aIAn6GSjGmAg6DMG2anttyFT4mn6Y9xQYukBRu1KpBTgm9lVQcC6yj9ubG.nqm6OLfkRGCJIZ9rEa1BxtYxPqtbHY6TMCZw4v3RraC_UVtkpvpSskMO7yMXuMPcHQirgkqpPYma6IR07jNpghxfSLYWyK.V2FsJ5N",mdrd: "x0dyPwQHXXX6r_tdm_iFYmNuF_z3UAaw6J6y9.2AGeY-1739402616-1.2.1.1-OhhnVwitJp_y020iHGlgJrYlViYycosEHDLGOlYubpAbOsDHeO6XaYemfVYudOgTpkeN_MWDI5iHH7usw18FKtMcWZMyvo.S.kl9Uo6LxAUOkgcMHTElVL7r_f0Dsq3hVOwt8SGmJEtPS6balb.RLgF0N5_97zs1D6.PV6oqJY9a6b1VDRAvJ1vtRung9jUnOEGA6dqV9kfizgqUwPPqFR8LcIhfam3Gv5UqG0p8lJrE8_lN1Y9T6CDBjndTALu8IcQxNddHb82.w0bNpFtMpmC.l1Xp0o5jBkRDsMZ_i0bB2He5ghCiACUFJUn5iiu.z_Upj4X.6UeH5qW.FtaJmf01Usf5i26FPa0.wYj3qDR6dNDY_GINep_G4mdeb.YJY3QNjIhqj325U9as0zBSsaukVV7M7elwqvQHt.zuKz51SauevAgPICgnFFp6afHCY63oD88mEQ2M7WkZ9ZM7lI9zvQc.0XN3RrQlj41XVoMJaHp5Qrj1vqCIuosHmrwvGIl6Qb2T0HZcCcuuORB8jBpcFZQayjBAQld1nUiFXotD7YWEHZ0lx7QxjzCkNWDYNsOsVexeVY65.YqGE9xWAnpPqU47G1Ch0ULUWfFTgBs21ntVqDLUWcrjFmoACwCtbzt8QMjoscWPkf6UB34IYd2.qtXHD4DFhE5R_gy5A8rj7O8i4dbeq0XMq6UPokX_MnyKqrv7P03PUrPDGHZVM14SiTFXb2F2iHSWdjXNE7rA2C_siIsD3vbyoID3i7PUzN6xC5A5xk6xTZGJfnP.eQZkWLiDHG.cFasNl1QK9A0nErx0E5rHwUr3y5fDY4LC3POR36cUXTP_FDCor3SMzaa9.G7b7X45dQD046GoXMfLehrycNgimWqb_fDpMgqw81Bv2.RFiCWKLdXE94.9b9UfXPuH6pI4rurbvgjt5dQ6eu75e.dtrDG7sUJos_D.qOmKC_IPBi0rflYKUHRc5J7eDTo3RA1nyAUpMLHuqTTDRANf3A85ktU2PTNw7cU_Hu_NlPf0pGyCrnW9QVqd4_jEbbx8mFKK_UzHjshuro.G_7OFmPYgEguxQH3k9XnPe3qUGsV6V7Qirzb2sPPC8pb4ePBemPUc0jebcQMfC7pupMZKL6AmZt6isWm9d7doeuB5yK77g01qsK0yakbxCQoaxTdorcyHdx0lgZqzlx3h9MVHbkDkIq1hMDzv50tzIiwtEkSzZzuRZobdqVScQmYfxRD07Qk4fsEN_KxFyCboykcxdyKMaZSZW90NEeTJeCWlRHDCLRZnWmShHkVGT0gng_OqepKNrHp3LCqoKtPtIZmWYMDAMN5jmZK75yb6p7e4qIlBlPjW_7KWUOEgzJPmW33WHHXJHFQ.Vq7z3OtNDA2XI5TiEXjZETnBw7FHqolEv07UIf2dIr71xod1PVvMVs1N1I0q3GW4ji9hj5NhBPhPsoP7LG.rQrxvaBXTbu7V2a21BnnfcA9.07qE4ks04dueGC9XAQKff7hMLmPlsIXG.lVfKkzOBBVy_LBHdjr48ZzOcob1pQlOdR_6Bf19ULxQgEaxYnqL9BSWHZhaA7.srQWaAMYFjkFI7KjTHp82ZBTV697QfOTiRFMO9Km1dEnIZFN43k2ZvJFPYBDNMHLXyYoqiglFhlTKX7WfrRKyuXfAzi9RSozMyznRNbC2vS8I_XNYQn54J_cXfBIZymJV3Zu2jTnzk12CfU0yh4NqqmlWswsbD8U6R8nBRPmGRGUOsyYI6Z84ul88HIIQUi5aBu1tgl.Kbr51UStafnfNt4BHlK4lAwmOuyXaww"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911053ce2a8c884b';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\/0675398142?__cf_chl_rt_tk=YIDErnVeMG1mEqgzi3dLXXItTrWwerf3eWnPVt_KDuo-1739402616-1.0.1.1-7XbpKl4pTDVHnISZnae9dQdxAWm5KcrSEQez4EpQhtg" + 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