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-affpcu82z.mit-edu.top/post/0597386421

  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-affpcu82z.mit-edu.top",cType: 'managed',cRay: '90f7deaeab7581b1',cH: 'Rbrab_YdGzTLn0sG1htV.dWFPKHKYipscCrsOm36HGk-1739146160-1.2.1.1-d6H9xRVAA9b1nG3GXdwcauM36McJEqiapmRbuXt5RbwuAJ3mwgOFKxJLZAoD8P1S',cUPMDTk: "\/post\/0597386421?__cf_chl_tk=S6vQTjqoHJBx0TjxK.406ZmSmmdoU4mBiRYuAyZzbX4-1739146160-1.0.1.1-i2gE7LAPYd4spoNdqZbePRkAEZAexY3okID70jF.wDw",cFPWv: 'g',cITimeS: '1739146160',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0597386421?__cf_chl_f_tk=S6vQTjqoHJBx0TjxK.406ZmSmmdoU4mBiRYuAyZzbX4-1739146160-1.0.1.1-i2gE7LAPYd4spoNdqZbePRkAEZAexY3okID70jF.wDw",md: "BZllh57XWShDeKj9UHXk12RHMf5V0xUeQQp983qNt6Y-1739146160-1.2.1.1-XkenDKRD3wSj12jrp2MjTbH6v07MYNciwU.WIx8i48J8qn9BXC1DYEWAIEs7Xszfemd.7NiooOK6m3KkRZGOZS1yGZPIYluf7brUrkLAIy0B_xZCyhyqFWJGuporWU9xoBuFq66zhXWFOJCk7K137ZhEI8rWyzcWFxU6boRl7vpYE56INcAp1wCWtmUck2J2dDZGqI5EzMJFv4aeNSlv7LP5v1tHEaXPk0NhPQVMre8b_CeJ6.vGDOp2w75TRCZrL8nGxJ.eOgdcdo0ZRsPAW8ebOL7yZ6lnQhqJbADzzXDr3AgMHr9fQicFhkb_wlr8kJZ60EImzuVE1aefDBYqNO.s6Hlu9lwSaFqRgC3HTALBV_NQ5pD5PD_nvRZxxivETLmedPXybsqXo4X8y9GJFCAY396rcdye5OrPUJ5PuReV1FCDd5VeeoFrBTiKRkG5YBlCYynHgODmmfX_Vjqll7k5nDnBc4dQzTiIuiY_uQQv6tViEqQWMOnsXnl3PZVA5S3lD4SPH._m2ZKRHeVRVqbl5.eh.rYWlsgU.nZzKyyaQB45TIXgDT_tgAImzFRn83.FBiQvJYA.pfy_Cex_Kr17cBWr.ohlZxYKbgnuE9.tnc8ewBDf5HysU_eOble7mvqS8zHefD_T8VjRSDB2yl1mD12w2z6pE1iOetkO32tl0soiVgLcZJKIqtcXWX3nVSSnIvXn5vojH29Q4SbuTXtvJWlgnRHfhvsE1r7MCJEccjRf0lgo320ZmNVwtlOkaIrqc52GdoBKtj77mVIy4F6YW6i91zkdL.gPoX63_8.y2NtX5I69BcEeLpYsjszLj2ZrmY6wp.rFy0IL3_WtIi5mNCvacFDN9cWnK_FfmZXiIwkeZZaWlJ4oOlb_paAN8ZWw7ZNcSl26izUJNogue2TrstA3bngxN_WcOC_de9VFV.AeKOtjIbuos8dj6s78qRLBDugmlvTodGqfXoiidqvRCRhhBKruySiPL4cnWqVXpXOXE0BsQ8eu0QPOCBkMiNVRa9RmV0RM.TyZzidEJAjzdleG.KLQVsj73dGZ.ViBCb28m1X2XSQFSStbnlNbdfwJpwOzfCrQTHoRye1P2PsPSQk_I0t_wT90UwTuRUN8._W6g4PtavKfQfyqn42N4VRjX.G3jRaqF_YkrchnFzT1BA0tlZpi5ZuRterbNcfMiJH7CcXGnOD0_MGFFR_q1FXiX_zY0WV8bhDad7sYPPjwIJvFtcKJiQsvZYQ41F19kYNnGXLRAAocVP80UNWsm.QiP.5dNFCm80ijQ8JCwL_UCmXBO08WheI0D5lZMOuqYJQocxc1bwEIgm7yE8USmgLk7_YQh7phMqle0A8JZ574HZJ8AJFD0_FiN1bFhkhH1AUKECPjWdW2ZjfmuT1MggUjjv5mQiM3ieySPG.pfFAbgvf8BcYrwJ6ARkcaO45jzMQF.qC3UO2zaUvgHx6qnDunCCIFUk3QyNfcwzQqFqOPC5aNh_hiZjCCefMxAAIYT8jtUerHakY2d_aJxzuGmq5ab1EtQR49Q_n6gZSoBSMCeSTPFrcw5oN0IBYwD0p4zgrkeUTvbCxejEo1GnjoVc3tINF8ppj0EWumPCe68DKwrzzanptzS.F3kpklw2e1hlVRpKWSsfNgoJWLlxJIIPQU_JqxkPuYyIc2NChhiPgAnyRoEYYfuotZ8bGoNFucJ.XVEXJIB.Z_epYE26okOf9OOvFiIC2quh15w..HH3QxnXWjghfrGiQPPd1eaWKmp8uXJhPo6WM4UQseZCG7nZXF2mtL8cW5G8Erx.iYVLFJ.Bl5u.ie1Xmg4FzB7jU7KWUJuYJ3tXRVr8tLTpgb5Xsx_KfwvwIUkZ_hDghxa8L8.6V5pCNEfweEk.H1Ixqrj8vmKbnnE1CTXOY3p5asgEZY7pfMGEcZ5zKxKe1DaGU.BfZ02At3xm3E9X23ZuIPjmIiYFZvpzt74D2qWFkpphJGWhqoLSiib2vTTk7L7phNynj08ctuE_NTRRfexT_3mdl0zE9Kd0qLKl.U7ClgXwnIxKCRDikzDpdKuca4ARpJUCvAgc54ScJUVax_sFO.L.gnye0goel0J2BeOmU5_0BDELsvSSFm7_6.pM_mYrfpRZgCNdCdbSFU_Zeu.ymyqFzW7hLuz51rPgAidvj7pUDyHa1TJGmzsR64dbD9j.RY6HKBk5MKczuJ8ZTydMswnXQZaCYrQH4seg21LxC.",mdrd: "Okpb.vBVHBY8Jc7ruF8Nl_w1NpZaG.mhNlZU0xXEFuY-1739146160-1.2.1.1-UIlCYc5DHQzOym9EK7sdAIvZDCKGncU1QhFLNQEy3SH.zR.FAlBZW2xaAFSVLeLTg.gNe6ZGxdJuKkiR.ZyVCensEYKkbFR5CjW5hv5oAqyiDNX7gwA7xSklMfTM2iUbhXz8c8dqfWR34Ljzjei74YxyxcMYgnHq9EWeBjPnU8FAdxQz1y4_PbcFHJ6x4OjqaQknrHgfI12MWdNuOm84ZBaZOW7Y5a4kKpQG5_1v1mA9.IipC9j1FUOoGxd9eFj2rmy1Wbvt.Hc1.8nKMpKrJjZGTDIivap4zP8ai3ZYx8TB1bKNz4pBzRQ3Wn0U_XVIhZ4b7Q_RPVl0zBobHbNHLWKq4ofNcnxuCI5zj_FqUZYNFPiQIQmttlGgMRJ_DemIyeT8qP_tyf6GjQGZ5fwNUE1YeF0mL9eXQZTUZVWkRKgs9mcELTTBxxpHq7aXezMRGO.gNsziny114W_kVOtMKdjcTZQ8cnfGIY36pFo9JfW9EipUSXFpb7_CHYtqrTMfFuZJMq1.j37YYSIMAlT5iAxzltll1Den66W5Jp0tJ4C5ONBPJlvarvn9tkun_TJWTdzxSn6sAAEJ7ijKzN5Xbnk4H9dR6822ZT4dSe.Yk9W0wlB0uYiZ7tdaWSk2DAuVKdM0Eugdkb1oenDDnYX7lRTPIN_WfcKNtmt7F6PXAcEkj91DG8ExMQMy.2RsEorv7EVqtjeiyGBdYyTZBQrV8wQ14jb.5yTIdjNGpBMaTHSURLgnfLqyryxZgzuM9Jh8WROJjGvefuGvJ_uTnUlIKzivAiQBeqxinfh0jwsBSl09p03UxVHLnm1MKy.VqUDxfw1Y7ACaZrszRMzyoW1FtA7u5F8I.gOUPfEK2eypx9dXcrOV9oKeSl_J5maT_IcRd66p4w0.UUHcaWSE0n67vIz0JmRdIZ.Exh8m_xvlE4mqxOkuTTuUyucnnTW2cRjiSt89z90tzu069a1B9shwWORY8Znc26tdLlhCOwu3nW1XRyATOzzEZLHG5NFlNnKl4IuEwNPRXE5wgjkJGHFGy6KoSMJaXGotRDtPiQPgoA7XAW7dT_l.q9qN74ZrgdLbSiR0YdIKf2_lekcge3nLGrUGraqGrIA9XNDe6QCNjnWq3pHuKQJyr7b55wylZ9Ps9DeBURd21_XZhaWlswvnh2n5oUYj_k8ltegmJAX64L7g2G0cn6Ari10ulRvVg5Ydi9_bm6M.BUk8DRUfwzWQxYwDpepSI93nYRTOKHx5TidMI8J58UIzX15jr3xa8Nr.JWerGM6_ruOyuYI.Lp2VGIWx0DQJ1sFuaO1Q2Un0SitUI50ANtu65A_VZk2hZSj3PDFBWmR.aKHrJE1XdUYyvpKoDtHXRUBgRQgtThyHPBobBj1r.48e_W8jgHv01tqYFq2LDxvClJtSkf6144KPiEX_yMWnE3iymrcLsKP98pW2LHupbHfabHy43KMgvnpMB43rgvNigJSvLtbon4rZg0WwHDBgtY.IqfYsoSIMb6m1Bc0ZFDp5tJKJnPvJcILzvh4l_H28dFPriyx_C9Y7bvZZWRTFGZ_VO.dCYMSh8LVlzLW.rcP50b0rThpTLSou3wxP31LVJaXYSk.jkyxDr7WD7NVfC.D1JqGN23ZJ6rx39W3dy3RMDdzc7cgMV6uHFFgKSht3_AbXkDODSVNUH4lpew.llBqyqp7FMEIBQkM79nOX0_vlEE_a58KTwuJg_Jznb8C7by.J30CqoYtf4_17Xb4GVkyEr.D_Ww4xqtCWeRJfCEVOn8G8HcHSJSgilt9eWxb4PuWmIfp482G.wYTpl.fHQyyUSZif6Ku6FYs"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7deaeab7581b1';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\/0597386421?__cf_chl_rt_tk=S6vQTjqoHJBx0TjxK.406ZmSmmdoU4mBiRYuAyZzbX4-1739146160-1.0.1.1-i2gE7LAPYd4spoNdqZbePRkAEZAexY3okID70jF.wDw" + 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