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-342887316730.mit-edu.top/post/5302691478

  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-342887316730.mit-edu.top",cType: 'managed',cRay: '910fc80f8d7c0637',cH: 'WPn1eHt3jJ7JqziWMdVhh8JB1XY93gDR9g6vddrdD8I-1739396892-1.2.1.1-nCods.qmk9ASx3LJnZ5Qn.8PXzq.GUnhfdhPIkxBgfJDih2ubGIci4KR8h1FP030',cUPMDTk: "\/post\/5302691478?__cf_chl_tk=_DHF4U4VpFg1i0jgIy_AlLqgXlMf5RcgHBVzNSj3a08-1739396892-1.0.1.1-mws9tVMtAx3x.AmjX.8nNcMJZ17Bjb9CK40zwtQik0g",cFPWv: 'b',cITimeS: '1739396892',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5302691478?__cf_chl_f_tk=_DHF4U4VpFg1i0jgIy_AlLqgXlMf5RcgHBVzNSj3a08-1739396892-1.0.1.1-mws9tVMtAx3x.AmjX.8nNcMJZ17Bjb9CK40zwtQik0g",md: "f7jsUDgjdSqRLVf04G00EUyC1mJC6WvbkcvaY_04jbQ-1739396892-1.2.1.1-amXexzS8EsOB2zpVPEP1sZj79O1bkDd.ZZVqhWs1fcF6PnX1mKJw2SYmOEMsojU3foJRBhtRvWfJJN15ioP1b5YjgVyjFuFEEsrNZMKSXYcKybTvHFmpc6bsu75RztwPg_Hq9QvT0Rg03jEqQQ.gXIVw6HKPyMdAwFwkbQkjyPjVroZuGPH4UFLw1osXDJWkelyqDN3vGMlM651i2Trq4wwEmAdl2oi5DvkS4K9LpM8CzeKR8GRydy3Vam4wbHRBoMjUoeST51eKcskCzTeweXVYAKs.hoAgMJYbEYOz2OA.J7KpFNILUwXMw8xvIylQL0jRj22hkJ_ZpxrBlkKDwMy8NJlTxUNFlxEYjRqBm.gQOFftFZUOz9g_TVgK4fHLUFZ_MC.oXNbjGvJVXJiUzeyLYdgGiF.oG81k0wBjSCZNMkquPnyE0qRhLLA0cTZVLmzysWtj99OcvdUPWziNgxuHa4ozT9kwtMVaZnM8oXgDvzhCF8DdgAgWGjBYYDJ4DgBG.O2g._EKCfIMITUsQXeb70BM7TsgmqFPJo_HgqPtKjWe4StpuFgvdbw4gujp7QgqE5l9oVnUqbNSeG6dVOoN.9bezYkZ40lVHAL9SfDm.Xd_YwQR3dDwzc_XQ0MRGpPfVLo4HfAfi2Q_ERHxDouzW2X.s5EX41tYNs0DA_gJIKzunkFn2fienYOWGy6mq0HjJqJLtXTC.ZoQCnxVYpmjrvLPGG4NarvCr9mcq9fuvSRHP9XhNyqjmyFxbPo0zhq8ipE1ERtpHfis2uVkk3YwKD8H0NKqA5_kQCYWZW_NSp22YNVJqc2U1gZZ44qWDBSmS05lJni3dXUOti1rI8zbGTNHBMe0YCtkNKSGxG6_21RANUmCsSsBXpv.Js96Tczu6ELCut3F1i0oCW7bzLDmWnd9llPdA5ryrTTAB94nh7h8QaxsojZsyIleTzZEycVIbAuLPEN2DchNE8Z0vzeV0d6dP8dB.cmoDzFp1XyT_qhM6ZiYGXXjR2e0N4reRDSUO7lb4enRfnx6hVOuejzYsGSdrJFwtgdWP8h1mtvbL8RiVqT2.5R874GSVEFozgMnLsirMKeI7XND8.tuB8FKpqoa54kz_m4.H9GjEw0tc_TYy1CrIXR9ZT3LZN7CLAZUh6l3uoNqpxZdwa1RbYMYc7UXCgik.P7vsLGqalNIDQamPNLDoNAj9.TEGdXzdDKh70j5JeVk_YPXr.XeYqX.gSSkKKn.SSgCSqPMFaJ2cOh7WZQwWJXE6vVgSkeoFBDbGpMUd_EgHL_KZxFfx7dAaWA6k2Fu0xcHW5UOoa_Z5UDmaIYXYxdclJmf3t8JtmkyROKK6GnPDyc5N4ztPMzYgklc_nKL3S.qxnpf6GOIf.2D2Zs9_NtE0vgFbD.3JbDNHTjsEMy6g6OdDcKKJazUQZZ_jsXO2Mi9GHRJwXCROR.4x9YZFfgd5KJy.zZ52yZT6uPRTfBCXurjr6fHTdUTahHsuZa7Lbla_zLmSh.2Bu.ZamTtu7786TdafnfnwYwZ3ojemyo7Y87NdIJ53Z2ZcMK90H1dmVrojho.nqeCqvIvki1bG_D2x14Y4_dzxx7o8E5Eq.EzsVnpC4o.dMJDwr1uRGwR.etTS54W8Q_qYX1RIH_3Q0xXjeqAQ65q8PE3JuzRSnZIRYpUCRdEs0HtlSDF.nQzgw8qfgkXz7zSiuni5PDcqMCw2h9ZKkCpg8TwkzOzFcPSPctE_aU3DPPp2FbcFbIu2rA9ici4njnnUheq_.ILib33OEMl5yvoalyG2XAVHjTATpxdIYrsA69HTkureqJcoxUuhCs_Pp.Q5WdhBR0x.LQof7Zac8kiVMizg_i6fBH7znQQ.vIGki7xDJ.3DSotfjuDZ8lS2KXMHwZXU94vwjZkR3xIghVMDY54Lctgqj6S8k6EWyHuI79k6KexejXmUoUneUZg2DeymBYZOoJ6PmveOXyep.FyGcwmaJewG.wuPqrV8tauzM9ShxEnYTxpaGoXB_d6HUDCtG9qO.Jyz3.RqI0j7vwoP2TkEf8LROQWrSDih2tvofi4L.J_iMfUw4HV0Dl0TE9gytvMGoZIkZ558NTTeqcQ2mNW0G2Ea6RjYQ.GGTxQYoiGFJp0lmKAwiWCJd7WTfTOlIgKJ7dPK3Uu_Okz3WpKSjPJJN_C19CV5IsQUudy885XtLEQHQmuzqMZ13X9Ybv9g7ooEfrYMfXTTw2hkc5C",mdrd: "iCBDGGGVDMyth9PRQz2XxmQaAR1bsJwBTjUM2Ok3pmc-1739396892-1.2.1.1-Dem12F.eETPOak.qFCE60NU5CtGCvlRwm2N7Z2UVAwyaXbQlh35Jz2ymvkj15gsHHj5rnAXSSmzmHjkAopxyx_WotlsmjrDH01hf8REX0ghf9dv03sFdApolWlsJEHxXtv4ipvun8MCinEl6aMTqIateUp_rsTmprQ7fs48yqDi68f8eXMqIc.pJl1jgZxBZhUWvrhoWH6witQTzxkffSkAZJcmNQV1zPVAsEDzevcboiOYnZrNcy6lUQmN3aUCTp__ucy5sMKF0ettanApTnwq03MwQDCUL9vEcN2yfQn9BjeXpwgLoHRU8Lv9bcZOYP1EL7eZXIC4Ff9jJ3JKkrMIF6DgCrg25BK9l1KC2eb2LZ.tCr9jGgjvaRCzitCxM31grwaa6TtIEWWjsfRadDZfNPoI52pLbx4N2ceSemrr0xs83IRECjWvJDWHWXU.2nj6wQzOqBAzsGQ7TAfQMhsMZf3QoWEy2HCcrCSFw7l3PhX6zTzeAgsR5erzIKQjpmoKNJ_WI0W6SuLngOLFiCg5svEtK2iNnAp1SvPslEuohglcYSmXhX0xKYUe._ZLx7pFwszB_VvNblMwGhtN1ljqt9ngsEKh6.9Z7zUJUl06vtoV2oHROmeETjJGctDn3KaFlYYSLUXpHRCF4ZElUSCne4b_4PKVYmAzSJJnfMSZd_eXIPJDYuk92nBJiVxn1r1NYZjQ_wS6WlwiHP3DCyTjIivd2LOXk.AcSHLpV2oc3_ki00nFDkf65seDCEoS6ar7zUSNstxlt0prM87NZhgW1Hv9nD_A7h2ZdMvPrt36EEfhEuPAUuye0eU3a7u38arLsLgjUmimOtDa_pf7eefpjoCq5mYWKaj7IX89kH9BUPqZppBqsKCnS8lJNBVhNk0Sq9EHu1c9TC7qxVyNT5qelqJHdo5x1ZyPnx8xuVgTBx8do0T.X8fMLHscR8vt9pRhEwO9FuhSmihGlM26iaChc.JOKcJFXCSkG0t4EFG0izkEXTU58CxhI4P9r.Q0l.i1eH0QIfIo5RchCcRVoywbW84suUZR41Km0R7cZsNEwAwDG6RBhacmsvIg3VDzZvYtz3HQF6Wj3dKKmCQMc0a3tBUoLMghrPexf3XBhYWkQlVsGPEQ4jxeutLQHYmd1598CP4lUco0WZH.xu1z_lU__5aOahMPu5vou_GrWjY98LtX82Vgm0SVfx6wMqa0HAS8xv3cKgL9h9iMK2U0ZdOwjaq6M2.C5QNpORwgHtW1z1gXPiecFDV3sflmWCwafPm5t7sfw0Ps03nuG4w74Y5DiGJqqJpm7zh6O0X2NHqvz4YVPiF0Y0XDr8Y423ihrR_D7b1TLOYJZuXKfaVmy62V7iurBy2fh7QuM2u.9xKwJMWdVNcw3p_ieTSmuxRgFnIqswWYuPG2FCA2bTZXbotexkrdpPVyEsYJTGSS6ATAHadATcop.AekP7Gpd8QzIghGuZKivIftOZNrQwvwgkAoyfjAU0XurBpOPyx6tNHpJZcfVWA9HUreaVbjzDnKojc9rFthUqGzXaAo6h9wMg0JGNoiE93.gQiDpNhe25raa_kzv0AiZ7gNBeMYHq4V8bBI_A3PoW7cUbbyAx_pD6ZL3oj9XtJlbRy8hwu.cqN7gsFVOzrXhCyy2efoztRajajgp3LJLu8ErJZHILHXfDw5RGVjcUT8UIhdvwOyi8DYcMtRQncwOzawDXvvG6VM1b5h.LY3U0JZSx3yy8KK7qfi62NB.tPaJP0MQaBpzrpiMsfD0PFk1wnSykEMwkLuJC4mWCnojcVlA60lBTOxawpMgXakdsy7d6kMC70Yc6Sk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fc80f8d7c0637';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\/5302691478?__cf_chl_rt_tk=_DHF4U4VpFg1i0jgIy_AlLqgXlMf5RcgHBVzNSj3a08-1739396892-1.0.1.1-mws9tVMtAx3x.AmjX.8nNcMJZ17Bjb9CK40zwtQik0g" + 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