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-affcuo9e3.mit-edu.top/post/5167238049

  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-affcuo9e3.mit-edu.top",cType: 'managed',cRay: '90f24709d88e081e',cH: '8I8rrjrH.mzMCykcg_KXs.uRG0BBF2J43b6CWlOxUzA-1739087520-1.2.1.1-CDhUeWsxf1EHm5ucOtTvOXgREfkF00.hLdCzuadQwC9AacRVLOaRlR4znpNsXBez',cUPMDTk: "\/post\/5167238049?__cf_chl_tk=ZnBFI_G9nLptgGKRr6oEi64pOTdrcq9rNxZNgf9RmcE-1739087520-1.0.1.1-tXvXHOMFWpn4P7ltg1z_areThE54VwppgG202popFDg",cFPWv: 'g',cITimeS: '1739087520',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5167238049?__cf_chl_f_tk=ZnBFI_G9nLptgGKRr6oEi64pOTdrcq9rNxZNgf9RmcE-1739087520-1.0.1.1-tXvXHOMFWpn4P7ltg1z_areThE54VwppgG202popFDg",md: "m72R3GCJVrvJs9boc4.SRtVVt7svDuVMFR.Y2wgOZRg-1739087520-1.2.1.1-lkZV.h6KYxKm3iA.0oKxWlznbMJK8rbvpQFHyuJ37K_AigdH7MyILfzo7DQTgzbXKN9vvp.K_bsRHf8eKzwM2bteqSXqiM7t4JZy.pO8tMfOsSBF63SY61H9l4hqXiXZ.ojMxY4_Jf.UJp7NtPPNo3T0bgxS3j7bO1o1FqPRuPvaUZ3iYc5wDgq7bxjk3vEasOxeMMOPcDrimxXBOG.OqZDAFUo2AEyxMhkvXNHJbLSu1fmEfhj66FLwfevRwP4ADqS1OMycprIkq9M9RWXLsqNUfHuG3U5bEHJcT.H0aA9Fak32g1Xc2jC4ugElCzLNQYEdk0cly5JOz6i45GQvVab88joQlIAY0pliCmDIGRbM2.1PCtCSpUlIes7r6D0TbzMV8UvIJ3RjzpNX3QudzQ4OAVPDwmhiM0NCOhmoNsoqi8ZOG3exQxSEo81VLsVgthoDfc.edDZBUTxEL_MFyi0l4uAeXzam6QEvP7rNM3MsHVNgJxGplN0.OgPsxW83EOVtwQ4yAk5TXPrWOwRV5aYP5LLxH.ZqVF8ig.FqUKQweDct7U7E17FFI8Tm840dYUl3NO5Cop0Pi89Z.G8APOMvifgogX9y5GFhVLJ1EvBvOsOY03JHqGaQvXPXchwQCIqrqauNLf7dYmEhkkcFbI8a3sDqrSRVDIUoG5AEhmIFOLOQOtet6opExAglXjkso77E7J2g6Mbhod9dF.XfwPV1xntW21l_n0Uoeny7J3qG_NBk8.WtvSB1VfAUL4XCsR9fXUSHNdubIe5zsS.U6_Es5ivjPacHclp0IdRyNtW7ZQ03KmPAHCnW0BIkLWfy.kLNs1sN2gm4wbMWbHopVJAaa.QvgEgzOce6v6UpIoctUFDN366JD.vSK0kVZvHHr56EhOgtBNrp1kaNQ0.3WN8VPRCRvPWcYj3l5h0ZkuG79JF_5gzoKvDWvBcEWaMbHnPAVykcq9hapUmDS5F9riKzhCrLWD9poUq7EcdslQAug.yFjVecryM427vnXPn0KqbOaeFR60yTrBWKfDYnbLBua7sWfczA.AK29dQOmZsDF3fJOzSNzkoYvt0byxHGss97zk16qEtKxJ0E3L4pWNHf993Mi8bBvcX5.pP.uCWVxRaXVmosKMVtmMVX.olU27VQW15qM4sr_50dvO1xwGrDwxLz51oUd32BHoq.vjtJ6Q8LwbMjCSvJkyVovb10133ZIjCjyxGln3wUF4wYT26e1rxv_UHwfGrGuBUB4NDAjah8bFew.8Qg2Z2E5D694nBNZjHAXL78XYb1rVByUy7xbUa_349znW_eSIxpb6KLHTvqf4AnMoPTEJP50WBl5VDsyDxpZJhWsHDRNefYusSoMWh7DTgX7RNdWswVStXWQPMOO2sVQQYQwTFkEJewXdnJMbi9gWmhubx6j3rRVb2_58eaA9CScxKalhGJZ8Bca_zqtdFOvtcu.yL42WDJADrUD06L9wUOH1fV06mRQ_8MDyuE9W9kmeC4q0GGKoEWCd3fp5f6sOkfVxScKzc2Ss3VbhHUG4DBiMPc_peM0TCLiIQogSiP.ZjUw0s4BJ1dPpmro6NN1WBCvMWDzZCSB_xGBsUHeblUW3d8aeeCWQJyDXFC5vS1GIiCtsBVWhrEN.fawof2L0KnUC4LjJLWA8c9uxaKKmVc7drNXQIkVbRRc.KLymp8zyawrFqb0VYAUjQ95n5mZ4RcaHuVhLzTwWOY7mJ_4SS0q0macTatEo7uDTw4F0IXjVSc_xSvx3YwLHHnGBsvHIpnDAItUjMKPBeKN_LpxMVjjlSwn.f823vIb9CAfn3wKE.ncalBGWeiOWoUUyLqKo6cQtWGcT5GiyQR6SJKZMGT3M5xn8oES6JczEGWONljrmel655abF02G2305XTgoU4jRCo89_73mUN8j8guILirdv26nUyUexOOQVwhs87il84VKC419G2_89kWDIwhFBGBoFIBC8RobdIDxQYy7ixUeDmWVbDY7yJgZqMSXDd2AeLaM5E3k9n4ZsunPxGrMTT5lZj1fWNXf9ECjhnuOLgZkST1Y4c_z2FQ_uJcWg29GqH5JmIkLesgEKdUbZGT4XSkgRHjjOhHUCx.OKgdscdvkKTXwkGd0Kb9ZlTSGk6_lnmXE0_lkhhWt288u1d2wHqf3ugIEdhP8nR9FY_F6LxWSW64dMnDWGv9HhETkJpiD4iZu3HTn4u0mF6v8.2lbaUhsWwPX95C",mdrd: "uo9InRSo8L.seNVjJqD3JyLslKuvxnVX35yvRwES4Pw-1739087520-1.2.1.1-d1Jzk9BqClelzVuaFJlz0TSWfz2mdUhny55vLtxcYC1bxSZlTH__bwrxIVidgVUZloLWPYCKhbViDTaR0qrug32KFu1Q_4XMhYXZzfUCi4P5TdCTmbo_Horx82FbH4QHZF01QhvilbUdLBJJTqxizYrNSqBOsyM5nGOpji_4XDpYxue2Zu.42BZJvlUPFmYzHrl6ZxMQbDXw3MkJQzIEFNW3qvHcXjZAedVwGFYajD91FKtbpu8K6WFnJ4ZMoDC08n_4fnY5soY1yX49rlsK4yhaPd9gSANxJgJth_r3shlrzCcCa39EFqjKm60NPs4f0J_OxAXzpd0TyntDs28Yf1LnYMrHK9fBV9ZCsxAjb8hRz7XHJ4SdQQoyPY7ailG4knOmsXZYgp5kJO1GWPZnT4OkiHWnWZbUXSFdewQyj4OiaGQF_6M2vCnCjwIFozswOnREKCHwd1BK.Ffv02W7r_w7d5UPlcrWqnKZs_OcxFEaTedRTebZDeSjRxTg6sULmdsP9Jx3mC13F3Z_24Lbgib3Kjjh.ecc8Prbc5NOU6J_pThvmTND3ch3al.ZUfxiHR4OQGz9OKXXLXRpk3HJnnLK2xeYK7LzTOqP0M84FXadkun10ny6kWowr.wkGeIPCVT14nns6G8cyTHv.1d9RgjXuy60dEbznTB5wKJOEJCchGK3HmP_7ZLVxER1wV3SPaksJxP4fma79DG.i_J0oeWj2pfCQJYyRadNZzT753cRzc8fSqijs0hPN2195aAhrZrocrh.0bYJNmnwoq5F4BMQWfiKIHwGpNMmaVt7nAaoUpMkDfAAPu7C25yhrf_pPBu1NY.TAdbKAZf1LcGLNchOm1G3..aow0uNZnP_GBm89HfeUE9f7EFsvxDMMtSWkPVnedIfKBparfIq.YbQAaYp5GECA61pFx0Dx8kISbGjoNPfw1uOYxzoZ4jE4On.zjTBHodgLiHPjA1hPVlCUE6nviInKBiIitb.Zom9T8TroenHJbq76suIRSiaMPI0DxlDMbuiMNVhsmHcS9URyUAhf87I6ud5sssPnT0PImy6ncfRZePTIlfs5GbfF9O4nijdVB07hJ_83OXQ5ohVzuWrOqbjPZuz2XGyTZDs8hmD9s8cpIMS1kseUB3ztTUOrJ.wdn0RlIh4qPflcGOXMHinEUid.sxFs4ePwZEg6MSH7yo9h7BwMm3RbrRe5qAHhum5qs1E5yDc2x8xevJOGZv11P7jBfFql7u0wNZYGxs3eZmjopbveVVBjC4UD9Y8Ax3UBlM.TYfqXggOGaR7WgEp4Zl2gT3GjRuhmhcRvzUkI21LAq1XdOKTzgYsZA828MsK7N5tR0BzHdIcxG6HVpIKA6X888zWCOf8T2PFIZ7IPGF_x32TAH4we4Xihqwp6VuTZkplvunWiQXtZi5c_YQFRX3no8BkkY5kCADlsoVPW7CX43GxQ7mupielMup5OeIVH0B0gULHWEY7npdIeAyjQJyiP0wVZID8EpX.LtizLP.Fj4br_D8jLIq5y.xLZLL4pyDIHxpIsh3fRhG5oEJujsCiA7HIBtM67Tb0FCUA6s_TLFDaJYyIUg6IM9vh_CpJQc4vfbEEiZJTEovQTFcxI2yc8L1FFFJXwnj80gc7GMfbKXaUfiqpGjB0iMT5RGFwzaKHv.jBpsDRI9ADK7DLYwEyS5xTQWwLy7oaG.UQYLl1xI4EWtgfvxZR5WmIrrYK2MidYL.3Vc9jn70f_LvcdW0PJVIqGYJS7Nd.qFEF0HRFnuTfKq4bear8tj1dqQ1s_XO0N_pi9Ws88Ju7.Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f24709d88e081e';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\/5167238049?__cf_chl_rt_tk=ZnBFI_G9nLptgGKRr6oEi64pOTdrcq9rNxZNgf9RmcE-1739087520-1.0.1.1-tXvXHOMFWpn4P7ltg1z_areThE54VwppgG202popFDg" + 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