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-531029979847.mit-edu.top/post/8963147205

  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-531029979847.mit-edu.top",cType: 'managed',cRay: '90f356c25e5fc99b',cH: 'Nmehaxx1IZlGbNwFRZg_kovUo42CJp4STVZFyP_bcqA-1739098649-1.2.1.1-QI8ME58LNS8cLSr67K7saFdHYwaBd0.kZ67XGHarAQONyqJXfas3lMx50JgY1KDB',cUPMDTk: "\/post\/8963147205?__cf_chl_tk=GU.gVaRN0Yo9cQ6IF2Ju4Hok3KD6hLqld67lbp5mxwE-1739098649-1.0.1.1-gqVHGlXG4xAhi2uLuubHlz_cRo.vJT42n7w63nMbPBA",cFPWv: 'g',cITimeS: '1739098649',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8963147205?__cf_chl_f_tk=GU.gVaRN0Yo9cQ6IF2Ju4Hok3KD6hLqld67lbp5mxwE-1739098649-1.0.1.1-gqVHGlXG4xAhi2uLuubHlz_cRo.vJT42n7w63nMbPBA",md: "3UFyovWeukFmBzJvHlZfESU3Wv4ucmn2bKh7ZOioMr0-1739098649-1.2.1.1-ZypH7IgQaCb6CQ6alfYZgUNk2Y_igOGA4VjCfd6iMmsFUXYrfhWH9KGu3rda8soEJq0p8lEPJZ0OnW3OiYtNauLEERGfWlTgPWl8LjwvPerZsynmk_vZyN4hbA2sl7mLwJP3l.lK2oZqj.DRUkgf6GjG3r8cfQfJtAQiIm286QkLE.pMBtUS6Oq455cwzD57hshRMfRQUBrOW6Bt1Zsl.u5StwfSaN67se6uraFX__YMOVvbREiIdpX_0z7XIwm_7NbPX50ndLRIcRbqxOHd8NKIhq_vzEYeEAHohL4YEtU75D9ibuHQ60gzcE.o3ejLNFVwZB50n7g9uq0C5jSFgxFMHN38jKa9_.bikuk1wqddwSYDvKG48L0IX0neQnL67h30di1KDwEY14yXKDF4fbS35t8y7XvBH7NOWcrOER2zsoa0WOk7UDnRy8gXqmx48dEOapWAKSnYOL5vYzPKUk0cDFHva2GQ5gFwQop_gIG.sv0pz28tPlzG.jn4M8bp9LxA5dMsBkKUEC81sIadVCLawOf4eNwZVntp1E5x9zzYHOosaSl7_Apzh.myU0rDWVVlUbuxPjNhZ5XI6QVWci_Tiw8F2slKxtRN0jcNMnpgYHGcTfbm8lWq_310Nl6gY6wDlH4o0ghReNPTDDa62QApTowVMAwg2YP2QaYecuHx8Z4Sflt76fP8cJ_zEAGJAcacAj0K.bEHlZBaU_a1.iYlVzzYGQgPnWIlr.MOoHsOnrVtRfh3tYUDQaeAFmqYZ2MhQDh2f8QO39ekcQ17c9wNB9z2QkaTIa_frQWLvIv6Aep0oO8wm_s.Krv4uRg2.D1_WDRd8iLLHfAmlS2aWGfuG3q0nVslsdfrDd3a11uOGuaVV5eGZGNKIMLzbG3pbKkL5oO9V482fi1y7RSvOh.D6xhpIFQ8i_AO_V9JRbGpYqTa8u8770vLWehb4VzXz1IEScJ7DHQKomhV8nsFr_sUbw9AcXTOBiLpxUGXc5GMtDF0BOPoazOcAkK0JJT0XYVyvGEjvCGgvUwI2IfrNHMP0LB4lwjTtTSCghpouF8mvqN62qRTlyWIjKrxU_EvNW6uFwiTx4yWF9kJPa5BDQpqsfQk0XZdtkiEt41P8kl9T5xScuYSv_GWo0XbxihupL8CcypLPV0siXqBols2iVJnFeOrzwKM04ARnVUA8efqbAo9.dELWspLiPPQeZ.hwIweEJPJc4vQ_FLFoLyCeWGDjl6sbuzjNGmrEbTl9cmPB7cFt2LE976tOQu4FSOGkJCeSlekkHmkA5pS5z6i6jkoG9_xS1TkDFvf.9Pwg2GU5eSTueLucw0Xv6bKH3g.3tnWr3OXeZ8SoL_l5LJ0SkACmQ05o2tO0UXlH4mpIf4lWEkKLndTkpKzdlM6RJAoKf.9HXnOUdnQOxQelj1VvaOH1mz.tEPT2vuBeDM7NcVYCx0MNUMfKiRe6VTP0MEsFWvVITMnxIofHXZ.GOaAIfWQCLukA3E3eo9yjca2oUVWtofc2it_aQo68sGkWJTrWJj3vph4RajDsNkLNO6UqkwLHEAP42_GHJlE1IfW8HJFchefdzXMW5.RAz0YFy6gd5TSndHHjOr0vDoS_zrDMHmp20766..3Jeb8.MPXDrGY9ei6iWKbaHvE6vdD26UMGWnPD9AC72ufGtYo8REZAfF83Kw1XMeQ8jpy4sOCu.fP7PgrjXltVqUFw.gTlBoKU3pNjaQ70Vbx6G0B2O7axr_ulHrmpp16uF_UjZXWAJezGxv98KfFScbnqOxTLZBLiN0MaNsvrGXw8f0Xkvgr78vvUJEDlL.B_cxldUJCWTEbWgxPk5xQWaxQjk.jVIHeL9_u89WJ6fOzc8x_rc9L2Pq2T4yGa2Ly8OeSjK2av0zC7vtYjZ_jet0HPSGp63QK8WnEJdGCUGtyTNJ5_DAczSpbkZBF1QTX1.vnQdjbI4AYjJggNUXyHl9O4u52vJpZ28whX0arE1d.VHpWr3g782Ip.M5vNjzcfgH74G2gJildNnNITkykL6yI5P7503r_QF479OEfRjEsOfb8lJBrbZ6rF.j0NY4ikYiKMeXtkk5TPHB082De4HwgFC6eR7sQeV2gV2c14JUByEh52P1DDedvmbEeoLDNOph6Hr3z7Wm6IZjYpRW4wJ5IILhtceFAK0_qIRLOObmd721R0sU1dOKZehu2llcwCT5GzgXbeEYgamnAbxMACsN_10jw6KQY",mdrd: "P1Al7NeNd7y7_.j3LsdKe7l4mkqeMz9ePQ4OUy3V7jw-1739098649-1.2.1.1-MD.2OOMp4HRYq1rPaYzSftTvb3C9kScQ07pbLkJyJ3yx7o8CtoiOYi2_xubsY5dH6h_bZ3nv1_a145BKHFaULikOYOTvHKU643XchtQSkj.ZWU.EOTmPpVMHQzo90BIIxvrDBuS.8.jf8ZTOTHOfkBnogXg.T_QglpqEdA5CWn0qOeWV_Ju8v9vK7KE0x.P_TBvzCzyelUpsNWtfDnbyL4pWYoaLcWU2aACqgUb9MtUZdmqfxtVasH7YnJ6jrDh8Hk0lX0jps0FC1ZbhAtUpBiZk16EO9ufJRRe5G1K.90XZQCvOpbkrmLNcPc0hHFbT9g7.ERxWAjVA.04L756qGJBXEsr2UwHWpXyv6Nev8qmMUoCaGvfNWgS4iTtiVVEDt8e3dOvCuOPiUYPP07BcUuUjOmxfloFvnuOw4ldyzPQJCyKl90H2XSNhvOGAIheqir5aKCib5p0YXc2PUNcre5eVKEtxVcqnBQ8VEXT4LWCQPlRkamyV89tVsPJ0ry8UVNIK95ft07P7mxMDuucVmBprvzHae4Dk74fF5uisUjJvXlT2Umr4sZ4zfNYXL2ah3fiFlKVTVaIyjcaikpZijoBjTNsbjgY1jdm5yu8l2X3d5jn2Tr4DZRC90CEKWeEm8EnDH9JZAnqWLavMl4qYxBmUkaBHoiTk.nM_mGt86hV.aeFQoXSY06yYKg5GdpMjKfeGkpXXCoQbMV2fMwEvvlPY_SYkSoxCxIBWCQK0vH7DQWJWkZkNFpJpXpv4_wOSMIIwYrWgRUOSqEojmVTt0Np9I8YKlxRbYQLnCuF0hHDI4bf6tmos_6Ip.ImAXSilM2Gi.B6cnwyCs6vp7elbVi76h35C1YZ6cEz.uHKAwMFMe7IvhXrGWmLMqatS7cQTHDuEp5754D0dJzbCYEY1xI_PyZ34DnvInm6xj7Vnrabk5IZygsljOZ9l2Lx9v51AE6HCXesCKWE6WtmUkNSFrtW9r94EpokUAwu8a9XEpiLTfgncWRmzCn7tKlTNH4BEML5AKLCfQCvKZbfg7JusgeJlPPpgOSJaR0iJomPbQVEQYJZrWMjhGE_BrpeUTNb2Ysn_gHlIlSJ.a3y2VUTQVhVXROTnqL0PyJ_.6GC1Y28PuEvg2BKoLwXYmseJSA4UZX7mpHlSD_ANs_cuKBsvqEjfkjlCZlMrKjzBTar_GZ49Bh4KNcxc4G4TQnF7eluOMUO1uGTk7CDW567NIfZu8UioqAj0vhTOvRy23VhL5o3Fsgm_53Qttg17F5mv4MXJS3Vh.rvk1wZvxuFBPCtVAXGeX7a4YOq9hW7vfCoHRRHhjtc754b0Fg3n7wl6ah8xJi9TOSj0cUhLnr5V9MNFh83E.oEALsIAuPiGLzFlb3rntS5lE9nj2vHXbEGU8HOTrM38kVyimwozodG_lDdo6SqMzNbyVqoHwQTHFnRByyOSYkFOoGA8dPlGgm4HZpJ1.dv8YrJLe0i1vqUCXUXNRm6GXWERNH.f8ecdrOoA9J.QBU0U7q64g9YOjGmNLIudMYUnzIpg7OwG1mKjgYyKzUo0mKLkPKuEFLfcdEUoB4zOd_1PVLHrA1DCLZA7KY8waBuP80cZqGWzedJWKlzITe3Zo8fKnSMcVLXYmUXPxC5MYb22g8tTeOJ_rK7bbgx3_WuP1tDM.plmGlVHaQtnzZPLFDp6wWOSB7lmYhswtIw9RuVrwtIPUjFnHnfuPZHQkowHsNQxFftdKxw4MAFlQMnnGgGPdJRuTizErP8CByq5b0qfQ9.9Nc.MZkLklWOGIfXK3UhQQ2gH_AKZVwMT9CPrQiSas9BDI_6G7hjJpC0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f356c25e5fc99b';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\/8963147205?__cf_chl_rt_tk=GU.gVaRN0Yo9cQ6IF2Ju4Hok3KD6hLqld67lbp5mxwE-1739098649-1.0.1.1-gqVHGlXG4xAhi2uLuubHlz_cRo.vJT42n7w63nMbPBA" + 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