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-228200828093.mit-edu.top/post/9286543710

  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-228200828093.mit-edu.top",cType: 'managed',cRay: '90f6a2536dda388e',cH: '0tPg041_lRWnKJheXi0s9VQY9slNd8gFialQfG0w_v8-1739133202-1.2.1.1-_1etA_7xCrhzSYEPOpbKOu0x1rgcdVkAKSeFHpepdljCqhy1rtkmcMa7MZMR2T2N',cUPMDTk: "\/post\/9286543710?__cf_chl_tk=oFxxED4YHeZpUIJ3If69ATKSl8vaHe6GUfsuVawFN1s-1739133202-1.0.1.1-IKR2329LUYUU22SX.XlYH2_7alH4wrhlos7JZKfw9P4",cFPWv: 'g',cITimeS: '1739133202',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9286543710?__cf_chl_f_tk=oFxxED4YHeZpUIJ3If69ATKSl8vaHe6GUfsuVawFN1s-1739133202-1.0.1.1-IKR2329LUYUU22SX.XlYH2_7alH4wrhlos7JZKfw9P4",md: "Wf9ypjYCLZlmCvr3YTxwLEpaUm0.mgTtuj3PhcE.XNI-1739133202-1.2.1.1-dW0IKbUWiv7z1EPEub9bZaygn3nYb_Jsmb1VRjZ2I7FloL_M60m_r76IFmu3CZXyjCcbvDPDj_pwxnzbQrIYdjGS5zFeX2mMy97KBi9pamzYItBap5yQ8.eukWn6WrWqF.Q0b1ftzxwQTVtfUWh42h2ByRn_ymMbtY0p7QWmVCdtn.4Bv.2UTqisxhB1cArLMpLvddtGNYuiznoixdzfVy_n1Q1oSIR9YAa2u8DZb0Yof_kB.1CDi8WSPuKcE2i7KLuk4r1iNoit7vxezpXbCBbXN69ReM63C1KNJGxjiMAwkoPgJCRQHx79aP1o9ibpYfMQQUAwYScS2KNJoDKaBrLKomMbah9qs686ffzvMNsJbm37qpxzYOK4tU3c_yF0VakD1fc1ZrJN.R3rBdhXQwM0ddEfnaUtsquYr7IP6OSbGCBQHqdxZGOsCrFltzNHBFfp_AQh4b0vheDNNn0aimUczBLo6LtE7uYQg6XNLVvRg3oDIga1VbCbH17.GFhiFECM7tCmi4qoOGEoA4pBiw5PvE0ijwUJGUUtzyQ58sJeIq4RQje7U6MgujZPnr7EhDL4vdIYJhjHIXsppZQ0KUB5W5inM0x.de6MkCFAAudYoFbvQL.HWtQFRYp3ph_EWxenspnEe8edc6T7uC1PjLYS_M.2tXe_1Kh3tPBGd6OvnRAd3GsQSh5VOw55nRI5OvZmz1X4L6Lw.0gDWMg6XWvuuD3NQu5H7l.zTmpq364TYW9eUbkLWtu.xXBadZ8U9GJcOzTrhlGT4OZElzhUu4UMBjNFxZ962WJTM6ROHe9WkpoiIPkB45ejLcZ.kMoR4tatqQ6taqpbKcII5sHDv8oALaTOe3Lb.MzS4pr8f3XlL.h09aZolEXyW_bS.7Ji97FGzZsK8L_d2Ujp9BiP0GiYA7791Nx3qXmd1GtyrQh9NvKSPJzaALb0hRc3RcZ3gi7mmSTGLQCFvGjq8nyM_u_dImwjWEWhITMTZ6XEuhuKGX1YyVKlDaG5zKvE4vbeMkX.553AdEx2gCEhg3tXnkOBSoEwRVbYf3L11SOEDnY4xR6Y0.HbGcLs5lvsHTDiQ_sZx2xVIxsAXcp3O9w0j1umktCdIidZLZBpcMxvT89bcJ4nngB7xzECix2AFwAaQd_damaXXmrkAZk28BbHdwUhvQibcjif2WvtK1esGaQPaDsjy9ZpeeUau_lhUF7ePHAafMer8f5Dr56.tLGM4a0F7MGlM12m1OVMXUekW_8xF5BqqlsfwDfJBkjoupK6Y2ZFytoxlWQPUcKVFErgs8pdrnqPp4sTjQWzESBRcV3mpu5lATNcgoifQSnFduQZx8YH0NODw.iZ.LS6f9GHlhRDMOdXCjMcpDAqkCzc7psdZLFhPJ2kwMzAnW1vlAbi8Rm.zvaf38vbi_45DzeQCI1sAYPvhV7eRvJv9mv3o23jMIo.JGCQrx4tdbA8c6IGpt9KujukLGcTPz2cZDsVi6gUdNnMfTUTINCPAD6CnVMJKPTYNLtPkjzioz0lEBRz1BKkJYrtZScJ_pHY3tJrTe0GRMxHeyfI7kqQoFW5xzjslXuJ1VI.vsX4Ykc2atex_IIEbwHA5LcDbI7TGxmdm40KSVkSvECwONZMEpe3VesLzIa31rZhnOdEviHaC3QCJ_5skVAyJRDVlr_tVhEmd7mzm2nrbdyX1IiFXNKyTAp8GPkdy3ar5SNBD7aFc0ay2FS3S8Pimo_5NV2uuDmzOntfBIRGvTWe_urktP6hT6SmzIESJwrzeRXE11YdllmcZVa3mIEaIZOrBH9lSmIJHSlWMaCEpq.6QWa6ajqkFb2wW20YItlfBjyMwk1SNXAYoUTTg4dfJi8n16TjzKy9qs.29bDB5zdySgn4xEp4EaWM0rqz9X5._ILCArCF4rLA0dGpbQj0sXah6z4qEtkuPBw4r7rTc_zBsw8S2I0ELRhqDk1f1jO3vYMvlOrmaVmTbOU4PoNcmL8G_eqvvPnsFhsGr6X8a2HjCiyHMKjaVx0hYHSmYiZEVIsuxrA8oOHPK8y.NdoJol2orXRDMIYEtRqa1_mYcrE_EJyEeRabs9H4y6EoiB3.Y7cU2m.ouX4eSwT_gExIu.XJA0ZvLNLE55VMuS8OC9CEuWnn0ZtPNfiWH2bFLD.j8d6pq_.1wIJJmuFxaOoafHV9C5AScI3vIOtujEzms1I_U0ja09q6SZqOBfFriEkHEUpLu903ovnw",mdrd: "wU5Y.9NnTptsioCWIctXDtAmTULuzCIx7E7PSCHHCso-1739133202-1.2.1.1-GWGVk9_tT0oEjvY3dXinpKMUL4YTQ5SUWkhlQ9QPaX5DheqlxZexD0JH79ufP6l9pjYcK6ah2WpneVAZf24MoxQJDlvl0I31SoTwjxqk5UM4wBvM3r2nJmhMzsxkTxONwKTeVm9L0s6KwpaPdGyQ4u1Bqr3Kicj0D.SG_QDTgWkiClROea_dBvt.Bl0pCjwyh5nHEOVx1ahh7y_3G.2_c8Q5O714syMQzhstVUXz9gc0UH8BePVgnCe_U7QI0TL4faS9xDBscYF0pZSsObbxXztBefx9ep3CcfkYNaNQ86UIw.LGHxW1P88EnWEV_Ps6G7d2imD.4oaqvBxdiqD8InlMb5R41Z5rN1wJjKvzP2nuhYeO4GQwo2J8iCRtOTDjbnK6lnuvIhTs3GOUeEDl9bFMi1T4sHE_GDn9iLPhT89gLQtc7ggabJKf83yRWmEhMyLtV1kEeOITd8.keN8HlmlZprSiTls430PhdRcMSr0DHytxHpBXBNKXIIDB815Sh8wBA9hVv_lPE5B7jFC_dYUszmUq1N2pQlFahRG3_7104HqJJRMsYXjkQJzXW0tTwQCMpYGmfB.SfRpZu0mge8G3C5IK_CXXb1DN7OgV6.W0wKhhXHmxTv1mswwB2CvYf.Y0SG42IS0T1OYWx4ZLsbikT2crCwBmrP8S4gjsFUp1N4p_Wp7WUmqE9zm3AfZ87w5ka86CNcqatz2E5kgwFmgoGl1XlsPNZzLthKx99zHohtpeB4JQWLoP248Ck5QzBTLLAJ3psJJfIXhy10zUChu6woYX5miRpWEYonQ9_YmnKf3flTTHGG72ckk94ohPD5LWVs_T13FNdB77vAgOhReK8ewdJGk7di57_09OY7kiYXebmWGIt.B_d9CXVkQ2pARmjY5YXJndOegQPK2ST_p_ry34tBWHB9UuYOs1uN5CJnyBAbHkzBnbAPZc5qDPlvhh4EHWSa9CVdperwtMFtFzHmvtiVBz5io4LI9b6Q1Hc_sPTH8l4jlHXysohzGz.Gg_3hQeh.OcQAauXnPUafJ6tQ2_ueMDOCbV2vxL_Nsze9D.2GgrbPCwQgvfBKO72nQhiE3usjMqQtEVepWULjAOAe6pugp2NSG7FnF3TZyj1RuMsI6U0WAyHcT9q1LDmBaI.5_pkpjlbEDI8hubtAnEEW0hikCyE6ELO7BD1DUlNk7ws95xwdIxi.NLnZSy7dsDg7tjhAKhgRCNQLqhxvOIYT77C5c2cG0l_R2vp.NX88c8q9FcM93eZkYeFgksY7vpsWC6gkwKGLxq6hnQvhOzpbANaAhj7YcOCoM1WGNINupohz82RIvaAUUexzjw1hrdH7ImU3DQ.ou5y2UdCA02g3rg2ch.1HaGKp15M9hhuESj1RYvH66DSLjiOR9o01Q6wA7LJ1SlT_VeZxhyoLEpLHQf9dEAoY9TLpKsZgM3oEG7PASninJy3ItQJpYR7VdigHtcAy4IIWVrkxmDDmG4Z8YPKovQYD.WD5gET3YUjGyN176XJYkdkjE1Rm3MuzNpC4AMDrvP_pGJj_oicHg6VGXx7I52WGSxAhNnyh4jFjR2ibVkjYzaPC6WIHLy2nmqMID4_IyzRohijaCdFfVrzpyktGG1VfXmYDYxKiyuAC3hSPB.wsZ7YXtaa.sYdzcFOJvuokVt9BKejt4uavBfo0ubpBc.AIoPxaLTaXMfBYyTWPB78WdMIasH30eYyPExzz2lpII40MgZ3LAwQMhDNKILjxWOEnk5yOxjUktGYBsJdORPONqHz8tkkgmNl8103uPWgQrB3.peVGaxO2RL5cCOIYoB9FPDwf.6e1I"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6a2536dda388e';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\/9286543710?__cf_chl_rt_tk=oFxxED4YHeZpUIJ3If69ATKSl8vaHe6GUfsuVawFN1s-1739133202-1.0.1.1-IKR2329LUYUU22SX.XlYH2_7alH4wrhlos7JZKfw9P4" + 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