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-243305810019.mit-edu.top/post/5396704821

  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-243305810019.mit-edu.top",cType: 'managed',cRay: '90f5f675fc793b8f',cH: 'p7D7s5AmiJb8kmyY_G3cxhbBDqSyl1NJyVb44SpsA_8-1739126162-1.2.1.1-nwR2DLxu2lUZ7SDq0un7ZYY8mZI3TTwHd4QfU6lR7GuFB0AIOmfwUvEjCaYw4xA2',cUPMDTk: "\/post\/5396704821?__cf_chl_tk=M7uAhBgud83ZLuFbLLUN2uI.ptHR8.OoSg5o33S8ZrY-1739126162-1.0.1.1-Hq1Ha3dncuy5MKcnZiuZQ5IEubxBdXAyANO7shutPb8",cFPWv: 'g',cITimeS: '1739126162',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5396704821?__cf_chl_f_tk=M7uAhBgud83ZLuFbLLUN2uI.ptHR8.OoSg5o33S8ZrY-1739126162-1.0.1.1-Hq1Ha3dncuy5MKcnZiuZQ5IEubxBdXAyANO7shutPb8",md: "fk8Nj9OF5t4a_NJhqLN0gYKLsqYpEZ6Wpkmkh2Q5qsI-1739126162-1.2.1.1-S4scItjBIJnQOvfom_UGd2xAn98Cguj4_02Pyc07.ilf7TDPIuJUhTr0wu88vwS1jNsjn3TA4g54XZSXvl5.JtzdllmKsOTCvgHgk.X4gl9VXpaydfdl4KQH7Sm.VwNiadpzmpnWvpw.IkNQv6MJWtFRTSPOxck_Xmp0yayCHqYzMPpePJd5xkbpvlSNcjynPqMAVfnYKJDv9IvasgmeBC0d32Fszg.dkjlM8zYEW_Ft7YApcXpFInJXjHrIvXlgJ23FNXIyFp3.T9DveTyta_wUKZO66GhFcANe2apeiU1lih2271mC0cEv9Zefoh1T8EgzW3_vykCZ4EBKiTIjMPVdt_b247rUe4tdEJQZByRqaCHiZbsc00DTqBkRtsmepXY5A_MCbht4lk_4yOjb3xTW.idmzMDSb0oNClFzctq6AASQbNkm8MeBteVVwJi0jdcWNV23crRhUypi.ZrHeVzGA3jH8VPik5eun6o7.EyZSq__cyiTpkxiFVD87X2bN6JD8HIE2QuZrAo_AeDkgTnBGBGhQZWVpmuR2nE92OJKcIi7xo64IdElsqB9S1MnfUSrNBEXvOmBlKH7mXss9GrC38ZArNj8ip0nVBH1z_b7UzRhDyqAw1ZIWWbs8Q9ElC.PXvqfnn.2gudyu8Y6D60s5Mhb1u3cCCbB_jno7vaowZGqWVwJusPgPJMvvMPYhvV5foL020R6B1UZTs1rKxTwqLhg7fruUKVIJmxVTCwU6m8sYFQXvEZajco0pH6A_DWEtnG_g4zfZ9O96Gf4EGZ4aO3xo00IOtpqL9mq80zQG7vOkQOgbQlsPkaBeuuOuOOWwTo7hgmENQ4rVRZNsMDlDUajyGZugNeMYZUa5RMq2D5CeDCyXmmhr1e9iWkBvw2beh.OIuD.hyeXABkjDuryzlL8DH.r7mSTEdUWQSX34Ij08mEIG9tT1r1dbpd1v.32kG1euclkLXr1YMoyirKzm5WX25ZApkTdPFtJCNlkXOzlICmdv7FdMRwDeXGn.NgvmJ89eE4DsY7erLiv5M2O9XgXLPriUmTDDlwlx32Vx8u_y.XvbFuPTeGEaAy01tOFoWPSKGuSBR7c3F1CCSG52YGqbJ079L.HGMJOiU4iBiLzh7H56aW_TJXuLV04v4qj2GyErSuo0BKqO6DDhQgt0Bq0EWkCqU47HeopJGIgvyyjwaJMAx.D4Tw7yWlJ.FC0OT3rLwxlQH87NsnwW.1sU4xOFOyAuiIPRLvXZRS3QdZh60_CA7Zobshu_tqEErwjZ3UnuT_kVbWchn3fX18aRjRc15ZIGsym9yIDFI77FroNdvDrTCKhv.00quFsHB2xSKONHXetC36G0x4AlUsH740udFURim4b0hTAN5mQL_A2UCDW1GN2hH7CX7gZA8zoy_hBo1E0rQo3.el.t26S6TwCOcZhaiHQQb6rBT2P6_WEAMTu1e9zzyo17Zv7nHofWkYm0TDCB.SRWCHeAhseru6heMDDuTZ941Gu208w1QrNS9pvcy6c216MtlcaVzDywP1zLRG2vSvAfkHTx6cAMU.jaKU1moYsJsIs4ZCloMo_UG6bUi9f3heJECiAJa14oEoEaT.FQw.FwyWHyWjfhVo6mLNB0It1jpwiJg16s7S._8SLP3t3FYej31DhN.klf7iLZ5P_vGnxOByRRKCMz2y7rk7vclJd.yeOh20UHh6yb2gcrzWAn2Xxf_MdBENPrDixIvc9xMQXQUbQl6pKNxDmwPYgN92Lim8ePPYzXbW5BAahdnSYC9MazgiSuhIFlexVpKqveOZ1dxrEjuosyQtANx_ZjXJ1s1lyItObjsnAWOlPFE3ebO7N04h70KelC_JkiXbeIS1KjwfruJyY3KyrWbh02NOUrO5ut1leg1qlbu0MWxVDkwDoZUz3UiGfXClWsqd3b2QKnb0RiBRQZjrnIeD9Pk2auc6_tLmGnUjqLH.jzZiG.COd9VPLgNvjBNp8EE9RqO.2V18H3RBZEFw77MCMUQWPrNXUQnn6EqBqfqn_PSwIKKpStjTrBnNBMvI0MHS56cp8YmnZor5H.nVfRXnDsfkEUIyKH8eIpMdgMPzs1NIruwcy_PokmpiDgjKwRQG3TY1tfoC.hGMFyBrEai1UGldy39lg6olIEMcZ3uEagUfSeMxUp8DhBBwi6bJe_JTnRcdKryFXNqQU9R6ZClQl.KMJxsVeHVxW9VgZzJcAJOjUQSnpPoKZ",mdrd: "pgGP_PSfO4_PzPrZ._CmjbTMRc48YfSmotupgsVkVkw-1739126162-1.2.1.1-ePJWlgZvkG2ZlK4k5iVibmJkmKS1hMYFz_RUg1lxduWLyy9wVIKuRjFMS0aNA8h0OLO.IkYaYhU5eFiJBpbz8D4GEDBtXEb6MwyE2QBT7vUZS29g8OvMN3teQfyCY3FOH1e8sjRRrnjuY.zYgCzWfI740uw4J4WS3_jgjXlDOo27M3TecLGd7uOaKozhAXO8U7uHzwdf2X5e8WezBgeH4o4H2544nziXX2QAnneCpewufvOJN5eYzEGlZ4_dZXQNo3cJDr3UYcZHYYx11C4pP5agh7otBwO2EYhLB967KlkCr9p0cjsXbhx9K6oHz65sR8E1NEqjp0RZHv3iVEAuBBAEeD77qPE9Ss9tndHFr03Ve9dFEHGiFgSuG6qLxxShw5hr8.GerhDtqSQLTujtAquXnB7D5VAS9mGz5CPBNhPNQBCeQNoWrFK11JwOkg4zFIJT.CbWzgarNWeu25rahivyT8C3ir3iIRKdtYqWDVN3SVS6S8BjtsFlIgT_GUxQxBRVuiWQ54bx0NBt7mw7Ll1A42UPFFHLOy_4lzjmFSCGeYBiv.2CIgES4smaN3uE2yX1pYmHJMBoPlhbwTM47ryMapGLGKc7yzUVL8VWzGwCzxwU22QERwKo5vtayy6JqLvcxtzy9bIv0rBJgZUQTV7eYASDv5vm.Y0F_Vq2JgbJkJVU0Y7iMGXRMb5uM7z4aUk4_jlzjqYTtEhU5bKvJ2omUkkO_Oyp1CXIcA40x2s7j5L34hGwktZmw3Q4tM29L9EF7yQ08A9FpCl8pN2VAk2tmAS8pytFEm7niExQl8p3ixDda5grcLddnjlJe0i8LvJ4maasm2R8emlrLBv1voSiOZgbGGLx2AuSIos3m.Pt7sp3.CLchl0cgl0g0M_0i2REnhwkl86zJvNnLAuA4tKAzwCuTrjDAWxEfZN8OKg2oAXwpxuBGkowHl9yzrc3XskFw2bH50OTLnDx6MVkLzoqf9Nor0Y5hJ47gG5RvEXS.otqMhoo0RmFAQbsWxXw4rOjjoyA8KeQw7_ZAqukFpcVLqe3izFtkWgS9uoBlG7Y7LWmknv_w4h17qqFb7dl5qrOprZdPkpVeFjZz2kdyB4kaXj69XzL4lbWzqgIVTeEcZbHPZ9GffRNFfRUAZE.Sev.yEne4DTCgednHfzyU.6UbsCSN9pcuE6b5F4.8UTLDtfbFikSgl0ASBKt4rw8qysMe1.1egH3LAdx4z08qmFikNKUSTFbs9P0G0gVPat_xRVDrNbr0JcCSfkiTx6HiC3c.OoHzcl3AP2utk0HVUVApiD4cjcRrXUhXg5sdvAdvmSDnwfqsy30Ykc_NlBr4ePr31.tEH.aO5qKMh9dblZ8TkX5bphcQiGkUEfbbcV3lpZsA.E3QM2rBi22_oe9vBK5vEpt3puxQfhoGzGUebP6u4Jp762i1gudj3PVr4lKYW7mJbbhwoIaoRtV_EqmPKeIWLpJvhD0YhcxLVPs1FnG0NID_G8Fr5bVu9FmY3ObUm6QsrA0X1EL8W9ESG.BhtO5V2qMGVzC_1pN0FBYcwb26nQQ8zSchCj_eiF9RuP5HN.htxnTjp.izgOrOx0.57S.L31WQTV5LaBRSodE4MjtDrUKM5s6PfGqHF2.GE0MgE7kQfy7vIng_2NWsZRQMTygBE6HhQGH0qGfusBU01.W_FJygJT65cbIv2ZgyYcc2.mYHi39qqoz2CfPz7ApR9y_je44QESEoybpV6dp2TGBplDX_KTOu7Yo48BMTl7nbWugKe4_Rwt5VpK_M0e3suCYsOGSQnedbpgwsrUJNwwAbeTw5r7i5NG38jkRpTE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f5f675fc793b8f';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\/5396704821?__cf_chl_rt_tk=M7uAhBgud83ZLuFbLLUN2uI.ptHR8.OoSg5o33S8ZrY-1739126162-1.0.1.1-Hq1Ha3dncuy5MKcnZiuZQ5IEubxBdXAyANO7shutPb8" + 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