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-188194892039.mit-edu.top/post/1527908643

  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-188194892039.mit-edu.top",cType: 'managed',cRay: '90faf892df5e56c2',cH: 'eNWk8epiUnpGGRB8lfAdugB8hp54r.eTJx3bRBKJieM-1739178678-1.2.1.1-LvlTAb6M0GMvbltnoWf1eApKlEMn11WfEEO7Od1JegTTD_NUmVTnVtVhojbzQ4wC',cUPMDTk: "\/post\/1527908643?__cf_chl_tk=WSTqXlNVdj6kxQdcUrEYsBHR2zJeB9dQPWXuA92c7no-1739178678-1.0.1.1-TjgYbFMuffkApxKVOq1e.qwTxk_HolHIKpBWn9g.DoE",cFPWv: 'g',cITimeS: '1739178678',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1527908643?__cf_chl_f_tk=WSTqXlNVdj6kxQdcUrEYsBHR2zJeB9dQPWXuA92c7no-1739178678-1.0.1.1-TjgYbFMuffkApxKVOq1e.qwTxk_HolHIKpBWn9g.DoE",md: "tkqYOUiH3u1rbg2FavfP5AQ7fH6Bok41TMW7Q0Pb_.o-1739178678-1.2.1.1-Sm3m9YY_ap3syr_2nomwDA5ixyTHGOwjIBbSzklZqloQQxLuOVDpJ02vb611eTpf3b_BchRtaY0QnpFHId5dSW1pndUskD20FMFU2WT8LUUyDSf1NJHwURHveKB3JX8njWGKeGo2KSQTTgIZceYwmi5Fk7clW0qCbDvg.263tl3Farf3CXOKuyialbJnxTBqFxl_yeS3cpnZKWNkK0SgO.hVrAUt64MuRWfXIFWDXqCF6S7VDWylvtsPJusAVdkvPykoUeE6dzywFEiMP40tyqu3rmVL7InT6CkcHWN0z_Iy_QVvU0HcEp7v5i2Dwqxzc4xMq1dyS9ipYNpDmrevTPS2aAaMjT6GyhpyA439o7sHGeWzXeoYJaqZzeQOr1Uh62Hdmj7r5XdiK6Vt9lL.QqkTmwCPRgZUUgYowqsToOR_5psTk5If8W10KCg0n4Q2ISd.sg.Be8T6hfCSqA8O13ilWELkMqfuBDnWKQ4q2gR201LYTrk.5oNcxUZfiKzXSpuVFS2KBmnUqiuRWz0IIuKn4ngkedvBkD5vzoJU5UEUZmAUvJDDG62O58kA7amDnTQ4dNjwQLU_.Jdoh.zssslp4xlDU_SCBfBcA.f1C6ahuYuxN6YEbdwlSR7nrH_9AO9oScHXXncnm2Bx1jeZu_uAbgvPwf_U3ZWm_OBxjqd5Zyr4S4vz4OO6OVDpHRTw5JgcMBHzXireZfjNrEY7gEgnrt3ldyMnrjfUShdXKBMCis_gMxCYLbyRzT06ifDGwsKsV3I4CSptrsMwKzbowSzdvBS1atzf.bN7tMosLLNdB6.uuOv82QMqxEqG0P2pHnw4shQekGhsQS3HpxLT8rY3YBFcIs7coWKljIpCGIXkoEO67wAmv_zB6AK1QPsO1ObTu92yM19nUbv7tENYDYfZGt8BumzEFgfWeUWG22IDvEGtF66DUxs44cD0B7tVYitOrgmp.h2elOU2jlQcPKUS6UlpcmmOOm2F_o2ceu_HAuxL2odZ_p0rRyjTnM6C.UPoAfRGlIQvKIbY1AQQX2i4ltK5.UF42lLDU4o.pDADyoQ4XCET5ZxUUweBDK77WXPYRhr9x4iWPL21LYh50bp5ZPNYGLG.BEnH0nsFO6DSOPkXaNG4rDrhJAVlqQh95ivOP2IVaaIPDe.nU48mLJ.Z.eqA87HCB1fBL30MKRb3N.teY5zDOiuPvgd0YXSI53sSJeByhmuy33TBAliUcVlN_lSJ7JZ5N3X5XyfrOBeF2UknBKVgJjw3BQ2hX_pCbVvTbZER8CbZ_GrsIee.Ic3hx7GIv1bRj4sy3ALmMgRYBUHbQj.ZbFQO0Bcjrd8fjaCl4o_A7caLQM3CVsTYcdrjP1oDrY28UNzs.OXcIY9THecHE4YZvLs7Yovy_ntA4GtZA1hc_9Za9Ta4YNGQJAQuk8scp7ltwT3yp4.Ttc1acb.XbtnZ38DnX7_v31FunXQAP86OYiX_khumR4nQBVYXL28.35ChpKkN2.Qk7hWaLcWUsBnwqnqtoKJAl8Lp3ReXSJw3tCdEO2ym7HUJ2iCFsGaF0CnUvJX5Tub7VVXr47_HbPem4o6WPPxqdkykV7JzMKT8AYqapaY8C6UjPlOBw5VOf9v6Z5LrFp92lrhEuA1KKshUQQjcNktxprIzmQTQqPOgLAef3VaKu8ALbSN5znGgRhjZQFjS8Zfe.I_kSEpucV1DvP_6AkN2KD.MwKC1ol1Ch0rg0o1Zc4mSuWav1gKWJxoiY0qo5QzXKVJh8TEBCNSuBfT834vB4YxLwmfetnM2EzFiYo8jflR8paRq2IXFAwTlbRa6_ta7L.CeI_CfN2AsYsKA4dnAaeR65Sxjc5ahqz4kYU.5FY4D._XSAS06P3JVs40lZY6m129TYuAigeJKAwKj16AMBEwhZrkY7WBOVC2l70JBUc3OEfj8RS3HguceifPK5RGnZnQLIO.Y32Te4GnqX0M54UYkpKU9MhoV.x8vCY0VKWuZI7.lv.yGgAauJuqm2LhZ5ao4uq51V3L_X3dcgWb6WDg7935T2DFQBFvAFvVYK8MkYi8MynSZzpCPtQ9NtMa_8nbq5sJ6sFUvHYqJd7a6DCX9ed6m5feRxxdJBejgjjGwit1788YVsvX8UqMfy4YC0L_peyVOZ5fXQeKsYD4xqiHu3wE8o6vMq84gi5ZCaRHMYziid3B25N7HGsJmQ9P04dXeanKFS3ih_W1J4I7_XQS_",mdrd: "TrNd8.NKe2EPxqhPUDARCQgOQoqIXsJwbk7C3oC92BY-1739178678-1.2.1.1-e01T45mOUgWmIAZKrmrB84N0um3izOERKy6j0Lm4CHFn.U_rZK428fJ_lcoWtV6aPimA18S7WG9srEh1kfEdQrVNrMi6sPjW32nOmj2zejZt73kbsfiGnwYVquVJM1XaaJUoD2iLtua.3aFZeX02LUAipuW35AXjNfOLCa8aOw4NIuGvPdA_Jqp2QegQMaGJCb1OyX18DKJcx8JppaKloljBHtsscJpnEf6TBaxUM7p8ri0uTe01p_TFpRJKdIjiTYthW7isf04Grhy1Iv0fUWC3Kf_zuanzLIy6AzhzMTNmQxXmtRnzPjSj1DcqaGCZmsNCUcbMOBy4LO7DC_sXazcrlVDi0GlvLuB0dclg9DWH_tNep1HJ.5.2C01hgv4EJ4Xq_vMa74WesEyiQ5WAi4H.WriKZvlzuilB74BGDnKATkd6hXQDIyK29kGj4Eklk.CZgRPVTWJRT5JBmz6ro8nBxxGIcAEfXP3d01wtMxe_QYtonagzCSZxzNPKWYbkcWJ.thNpxiHso5wJdYRpI63ZSL_Y3cUnow5vXuI0wMA8ATqtJJbPF1ZQBmM_RFE_e7suHnFPtIA4rVAw8RJpw2QpygK1Xd65hxsGppdODn.Kto_SBI9Y93CyODs1_Z92wZqaKqqRICl54_2gNu1szS5n4tE.lZ3muZwGBC4HMNFnemdj_XPuKTXCnSKkVgDKstNypC5w22Dx0V0RK4_qFE1Uwty..RlVJWb7D2bSHFfXqI5eb5lEpfFCKGaF_mTqx0dbmLfYiAgNR5HYwhChzrbkkQf9bF55trdUbkgkfK2gWdRZ5Dqc6snBBmaIJ3fuKxW1oWEYhtrgvtRDO9I3jT4aDbs5xT4zbe4pO1I39mlCkWAA_7R.lLrOs4caTOuH4_YUFPWDs3xS8G0zzx8NleRUTzbeSrrkFRBma9GSWk_R2Ey5NOdrrjyiXbIxDIuFVFhIug.nrCvZ903LMCseFw6ZLwNXBsSfO6r8SdiuLNjj_lu9L76iLvEs3AjrQFpzhpEczaqYI0kIcUWuxm9XCx0JmLIlJUTdoKZbx7i69CFo42yIwqgUA70.r2U4N77xwfIOjS1n82Kyn6vqM1lz.XvKvSd_Dhv5ycS8ooeNICeYOMPdbg_Xr4Mxlbe9iUgtbVhr0raY4KgQVs62e_JmGAfK4o2dKCX4JKIGNxgD5m.PNZJwlIQ8lcdqr6RcMQihcVbsgI7q9wvgXFUbM9sdejV7ZtWGF3jf43Hv.jCXKVbEbSOQT5JBV1nByoxcARYU_V9tGpFToaZ_snBopsvrKod48IBEc0MEYFnEue7o.uZ4mtgouuPpAAMMcDlRexvKgVFKUQqkusRq3xY_2bF4TokS4wB33WWitv4L6uzOFYuZNesUD8Er.XGNouYlwNRCFOtqgSNacO90qANQofQKQeVQKQ6lF9THI0zlfkjILRXrCrO4lje147DvSUkI9h4O4E4EUJ2v4hjo5ODv.VuSMqX5PWTe0zmsen.71kDd7IUb_ture4uMEP1ptCtc4pGNyW4QDLyms7Yy5tyzbVjVNc7FCnMkIHcSEb5qFPH8z8mXoWJ1s48lK4Z6UWtZQMD5H7cfGVJ7FxOJ6Yv3IrrJkO8AJui4pHFBCIShvV.gNAYo3wTvXZFPcgCR7dNoe2pLvpqqgPUyyEE5KaMEmsfXEjGCj2iUWFOwAvmEsXfzzA_sUqpX7EDaJj9wkMMAujKz5nQ7cfl0b6xmqbeEEICOMICushLGYi.nMANT1nsHngTMBJWJFmQ41jz55TxklTORTkKtObrMOo4rw8efrUlbDQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90faf892df5e56c2';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\/1527908643?__cf_chl_rt_tk=WSTqXlNVdj6kxQdcUrEYsBHR2zJeB9dQPWXuA92c7no-1739178678-1.0.1.1-TjgYbFMuffkApxKVOq1e.qwTxk_HolHIKpBWn9g.DoE" + 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