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-581015791802.mit-edu.top/post/8350497126

  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-581015791802.mit-edu.top",cType: 'managed',cRay: '9109e58cf82bc98b',cH: 'YJXtJj4dY8ydvqbp7MuZKfcfJ4vbXF8zwScCuSnWY6A-1739335185-1.2.1.1-9vRP08cYnuCAdZAOdYIbeH3MWcQ.A44SBO2dM20T8WTbA4yQeNJ0ZJnaozmd9aK8',cUPMDTk: "\/post\/8350497126?__cf_chl_tk=YMbUv4SUSiKh2_1qkXIXEs1rhUAKIP8wTCHtW_zm4Xc-1739335185-1.0.1.1-unRW4tYEygw6odfnyIHvgG3UcvNt8DPsAZrqhL3RFFw",cFPWv: 'g',cITimeS: '1739335185',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8350497126?__cf_chl_f_tk=YMbUv4SUSiKh2_1qkXIXEs1rhUAKIP8wTCHtW_zm4Xc-1739335185-1.0.1.1-unRW4tYEygw6odfnyIHvgG3UcvNt8DPsAZrqhL3RFFw",md: "F1wDllTFIWrwdcPmn9MS3syHA86NzTtJ10iuMLIHel4-1739335185-1.2.1.1-FI5jVhgaQ6_JqltElXgIjMgl8p1HhGQxN.AihdGn7jGpLaCzyC2NK8WcHfHy19d_L7pyT1cxrFTijkwKJxrmntizNPvcfHsBT4GlRNs0vgbpeu8ORFfaq3lBdk8pTFgxj_TjRwung0WlsA00rnkktLQxQZyqWy0UEyfMaHA32tKocAdI32fC4JRFBqz7aFpa9HxXg_FMdQa3F2jlVVJxkO9mbf4fCcZZ1RItbDXcCuo6.U9LlgoCw4stH6Nc8hFn9D7zeHaFsq2ynCIeJHjhRNNbuooXptNEVC5Kkp9bSyR0Wz7zVCLjxZpBovU6xdIWYcPwAa3KbiJsQbgqdXcw7EpPMBAP0Ju_kTJI63XAlzK4mtgeJOmd0YIiq1V7kbxp.bGlexOuv1CjlIFX1TBlo41xw9XpfKKE3dN4aZsGFjtopJhXZU83JmevIPLGLa5ldZhTPNewY8F_HfIVyTP_n3WTbfDQNF7Ilv6APipUBHwN3uM6ZBGwAYfQ2xffPFHAEp2ZiRhivwL0KEhY2YvVa46AUVcAPlVX1j7k3Xo_OL9b.fUwtk2sxQxtu1JjSy9p.gxQFwgTbpnhoh6ROvjYsjDaKMGRtw.aj1OcpeVrNIc5hitqiTVatasHJJjF5CiPW_10VDjzVuFZItzLlQYr2SZjO7twaDXtEBH0oacZXDVbwcH4R1N5_XYWPfW0sUyC5Y6evUy.lB1zBuGn4FO5B_oe1qvJriWV2wcCDsWKjhzCA57QPP5xWYxrGSXV0qBlLPB.atIk.w32_HHWYNeC87sVsK9eaCpxCpgC0ysDX4LJAdc3KDQMiWEXX5suMZ.RlYiDTobMRYDHKjo3sDLatoJVNtETkiLfggUrydv7M1iWEjROR1QHk6Gj6TRCuTrJjNWZzd_6Dj4YsRCZZmlFtly.iJanwN2EsaZiHPZQy9bI8G5bXijKIwwD_S09U3G30pXZJ7RIZ7gwCQys2XBAp5.R2vIQwTEtp_UdP6MQkrCuzecRqWxUhwQtCHGbGkUeHVBYGU9YyFhqXv.XM5BzEXCeOSPhmiw2gBaz7dNUpckxiWwcqypy8kXAVob9kHbFKcCuJyTgyk19iZxpoIbLdHJRmCCUmmUaFeJd6T20_bXHh35B1fga2NTGCpYFCUUKuELx8tnjpWVLdIqd5XPbVN.3iHHT09pQRHXCf9IutgDiNb6fEtCbMBf54HZ2UnWLfREXjmnmVdUEbHMhP7x27xNHvgWaqQTKYB41Ah40UrhqzMry6.dJkKgAsLu6QWvkhAulfy3FQNOjvk0gSvYIOUUf386PFU1xzL76YU7BepPahGarN29PTmcQDjeC8jeLy.qB6lKKWZF43A6MiAMTgz0xZAxyGwuqBRfn6lxpJ9R1W6MdCYwLbmbWkII2aK92n7koAtiF7B35ahK5EOSBdVzOpWY4W_tiISWfHarITEVdlSauWb9zPkvJHeYMse1NjLh2za3eQU1kzH6KjsTanxk1oR7qUrgkyKFzVLv30wse5qn8ra4V1xpmvCMDEE4LSe_sHjrn8Cu4AOvJWfYvLsYUdv8NruX9STKFO_oASTmF51t9QYVpVYMezdKwDJn3D9CLnjQk08t9Z_JW.xsm_2XfD7fyk4IsC6gxx8brDFuxYUlXNpU_ol5pXEIlK5apFi958zgACxKq2kAsYi4YO11LK.n2VrKuj8T8V_bY2Y.Vr9rXXYybZuUOM5AcQ3OTO3oYcb2AGxcEb2GoQAvyBEeApMebkv0X2hNEJlAoqy.Gujkqswg7H0GEwcbEjMbuQW_cN6V14Px1aiQqlgkxPyBPJm0TCmjAGqbJx2jmF_qK1Dw5g7QTuZOYetI0BCz2S2p0k24qfUAVHz77HJJXytKrwIfbvMffT0ehU4cY6pE.zEbCteCVU4ZQ2xCbuIw._Ty2HzF17NlVZsR2wfg7BseVNHh62gzhevCJYHz7KWAv1doNpAIoLNk81MAl8jIqoHIP0mr8LDNhYVlzHK61af15mrot0ONEB3MnAPaV73z27.R7MlqCtCUDgelerwUFajRM5DO_Lm._GvOI.p6b30a2hy4H83Xzc45KEsThrkfr_Ou5uw8zHqBR7E710MWv4koFvoZW.jT0lZ8bZ66X1zlBP1StJ49RY9Nt3golY0Yt.S3K3OjV6cDmGvj8tUcpPKKyezhexyqiF7Ml5_t3VKwMzTJ6F4as1T5t9A3xibQYO2wlf3u7Rb6XBSDQme0a",mdrd: "DPDW_bCyOze34Ob5OABS6xUYErrBIif8T_ziGuYHdgI-1739335185-1.2.1.1-vjyNRmyQ7rVHqbeKVUV8Bzx9yaacbzupyqO9D__LirglsXiIboZvO5QiXioz.UNwt5zFdcz7nPI6.FkLZd.EMkrhoH9g4g9S30_CuK3N66vD_MOuv9zFG6A_Ag3V_aAWvYZUtOguVA6Jtp9JI77QHJA7nOuyNXuSAr5h23r8KCPCCPOmof_VRCOiCD2v8GR_rf7POWYWjYDdGKjLDDvoaiKBnPywbWC8AWKu8cfayMe2FRL4dQWv9FBI3G4LR5ptU5tEORV1JS4c6uvmJ6XKzqyas8AReD25WvXP1xq5yzlLG47AV9A4n.VsJ2DYcdNZRoNEwrQ8RzRsLvJXhZTyMMlHJeaURDsuoaA_RznbmQKa4xosWyXKWYGsjZNVmijqP23H0pYKemhgBC0Mc7UznVtO0Zp0o.hbOr0zZRbXbNbA6PMTodL32V7dqKWb9G_NLIdCE46SUAYLGsueeh3vGZG18QejQ7dpUb8ILulmmvJ5CmyCvvjj7OXpe6jrjM2o0aAQ1JCftdac.40L4LFkl8hPH4nmaIVi8iCYQCvoqGjWdAV_17JaSED1jCVII8GBzOmh6nBpdczqCAaJirZcAhPbNuTbqEB1ZohvgKqq5OGAKmR5SUSSe4Y8BdyeQjBcdhD6_xbBKkAys7pZC1mSGTs_874vm7ZjisJTvWrGd2U7XfBqiyZFm1X7PpIHaYUTNXWZw2MK2WOPhUgQZ4mpbbDAx1HTJ2p8Vo819uaXTK7HuJLNfU6RfayZfC.V9Xpw_EUzr.TMCWtSeGwj3Hw.OeLco897PXBYHILk401sHpH56ZP3ZV1rO9iQ3r6WzLrAGxaG71l.KYXylFnWzAovmoaiTeS6KUYWlvUcvcBsikp2dAbyDbMT6pbZhRKVDHbnfTJ5hm28k_D29zaspUcjcOcj390L.OayMAfYxNJcpRT5qesubsuW2b4x9zYrebV9K0neuYVqANco.b5HIfdtaVELrnt.wlrdmvv7IEDeIaYg8lOVQt9KyxfppYiTQqy0g93mFe7vh9zbZ0DH7Q13.3r12I8Haxb1iDVN79LPReF6DKAx3tNzSYCkCY4_mcwCfZHb6Fx6rCGaDd3GaahijfNZG1wV18YLmPv7E4SROJieYNkpbmTAhP1eYoFYbIpmbmTd5kE6vqv8aXotJN4YP3MwrY1tVoGbkXzQ8x0UFmPIKsCSLSxCoL3YDBc4WsSX8I9GYaAcZuTP_Tc27B8fo6bc14eXQGWBewI2WHhah6Q.QT3iQfZLBOyvsdno95P9LZ_rpqiNP6NY.6QK17dq4rI7jGZ8fG3cLboih7AqJrlakxVHr5S32UAvcGhHVoFAXwu4ouM5248Co552YtOuN6P1JQ6tuc3Ge6S8asyX7qwCSGlxxOjOF9Nh14R5mVqokEFzEXSSL9h4V8OOhKQi3dUlp0Pnj5rHZgOdtiL86bj7VCushMhfUFF.C3DzW2BDeKZyJG.N8x4TUclqwIh_gAwZT9998173bG2iY.dSJbs8qTJOy_MxaDeLBVC90x3BHbok8MZJKTbhQVhYk6_9xnj5Sz8xC9EINp1aAmSITGymi0Nb1yAnDE34kbOIq_V1ViO4NAQFWB5Bb1Kpabg2Hk0XizX5UUK.HCyl1kn6HN19b9wTVcTN_RMJDoiFtUKoTHCdtFKiNg0gqApU5823a3VGslIa4x0JLSESXktm5CmsVxlUyPoKgPmRBo2pcJGUVy.56jDL2yF6dGmLaJCL9wREkrNIQig3Qwa3Ul3I97BSqkrhDb.A7DBdZgHou.CFW.oJmbKFHFp2XLwsnbGEbQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9109e58cf82bc98b';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\/8350497126?__cf_chl_rt_tk=YMbUv4SUSiKh2_1qkXIXEs1rhUAKIP8wTCHtW_zm4Xc-1739335185-1.0.1.1-unRW4tYEygw6odfnyIHvgG3UcvNt8DPsAZrqhL3RFFw" + 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