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-affkgv9j4.mit-edu.top/post/1072345896

  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-affkgv9j4.mit-edu.top",cType: 'managed',cRay: '90f3b309adc3ef64',cH: 'lq6VUpZqU4TWO3s2TeYRc7KphOBQw8V2O7kQ0D92LBo-1739102429-1.2.1.1-sQS_IH9rlkMXr3AfaS77uXG67mj7Rv4o9ZSjg0nvIzy1V._Ge2kOVzD9sCdHyov5',cUPMDTk: "\/post\/1072345896?__cf_chl_tk=FsFt8EdF78fH6je9rCHUksQetVofAVDAW91KmJKAHSk-1739102429-1.0.1.1-ECrIX.90RtmY8iOuK3dXz7TmGeOrMn5aNLAr6Bw7TXQ",cFPWv: 'g',cITimeS: '1739102429',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1072345896?__cf_chl_f_tk=FsFt8EdF78fH6je9rCHUksQetVofAVDAW91KmJKAHSk-1739102429-1.0.1.1-ECrIX.90RtmY8iOuK3dXz7TmGeOrMn5aNLAr6Bw7TXQ",md: "fUMJKz33FrzSbjSt19Hh6OBVLogYN4xyZDE8jWmQjLQ-1739102429-1.2.1.1-OiOubpDvlWXMwV_Phl23YnFfivmTN9vPeG82mKXxPqgMV_mFzJwtETX20JZNPJwPa4oUgobKD9aTzJvE0ji4qX0vTZjOpX1YJsdlgP20MF2EGUFDc046akO_bWyb9Pq.dio2HZUeCfFIZQncNoHGE8RMOPafF4NuQj6qg.eHKQOZpMIusxKi8TeiuOcYYiRIZaREnfXEHXNwQ4eXWAQITHICFPJY.eyhZ3J0L3mM6zEwNJxIEEcX4JWcUoYtZbsOs.ArL99p252fs9.q.d_D_1Vd4PTJv7eHoTM1HKOi9OgyyHt8WilkUlNvwOqC_qzdRh5z_z5S5K4FAE5zJhXI61lryTet2w0T_nFNNZl8bhlFDLzSFaaAxrJRnZLi5.4rKLjzWP_xHd.60X7etnziXWV9NYOUax0Ei4f0WCijuv59mvs09QxeYnEoTbDXhyrs4qEmpSbV52Etv63yg2DKyIQUars1Dw7TA8aBL5WbJBOS.kUhUOhhK_DlGk061pF4KUjWcho1OFULHLhoMgymf1r9Z4oPKKPuV9AgZmDHAPWQE99VmYytzUVDJBAN0lZaY_lZ6trqhns2SIe7YdW8FlCvIxXjnTowB3aN9tSOD6DcuZJhNL6.mWDCdhCL7WRn42zJVFsZShGYskmi5uvelMmnJsS2yLhOQJ3Ks0Yh65AWB6zs6DXADW.mQGPJ2k2e5TADawJ5iKRDHoyDvmkGszXycq3hzC0UcydpqL2YQAz5R38hldCNZ1k4omkC.AgkQ3EAxg.tMy9cxVXkCKfNhLnv4Zz0KweX3EJPjRjcVyH7dk452sEwTkUfLNR.rMFGXiBlobwjrrIlrQsLqloohW5vLmV67wFGoyLJBOSlJvI.8mmgHGyRRdBbrkddysot1pGE_sDeMpBZ3p1J1HvZJ5MU4HmGNCC51MlceKgwgy9ZbUIn0GuJ6we5gaeiq6qlADCOknQSkxdfKSbrHjXF7XEF.iYUdote9ncs3HyBg8axfPZiYqSjnY0fGF193wdNBgcwa5zy1_c5S5SDQkG.ZYnYKl80L7CYU3jFaekDVGxposfPVEmFfjODsSlRrMaMDcfaEYPxb5zIbMZRelgpSflwadfqaT8su_t7g_O30Xqm1tJy_AeLzM6kKrDrIiuLFqB_P39itc4qM4Zq1lyUmSpiOVz22c7bg5IIQqGmccQqiys4wCytL5zxt0qy3gEG4qnxlj7aJPz0ZJJqUUZhcn_lb8maTsv6nuxBvhNA1LrldfJ1SoHIq_Fy6XI_O_dTk2knBwiO.upo3iWhPblXE3klQ_Ps7.K1iYkWUXyXjHpqYxbuxgfD77W0E_a0ryf7eVkqvNZHdhlMR2QIF.gkIjv70wr11U9wa5kWFSlvQi3Vd5TH4CVcjoyzTP.2.bhENJV2Q2rBefyIzVtTl8RiyiEfv0qnMto8p6U373rKIy_muporABjSKTXafqGMe7Z.n.CcAT7K_xtOiVcTYNfWob.kiG3tBM30TX4ly2D0Vq5nMzXaMPp.pRJQe8db6LBL4ddkt2e4p85t2hIMHpg_K4xVbc4uuYQI6AWbaCqKCGkJ3jl9FeJS2Af2F7uLTOyz5.CA9HssYOm._a3xUYs_jSnXke5QgZxqQNkYlBUx6ys.NSlGujOX7EimJezPbu.HgNaEMowhRT8khUbH3Ugxofjd8ZoPpjDeT_8l5pTK7VHYikPmTQ__N9m8DUnaz06qPVtry6GcAQq_ZCF9AR48mSwwRdnWoPKG1lWwkS94VJFUDqUJRuJJ5pGvm.VjX0_v9RYpAgD7olg8.LgBNKtXKz_BnCz8y_WDRWt0ZT0nozTAaMzVTQ4V92POg7sJyQYj0Q84B5ZDD_ALq7wsp_E01EVbhnzXD_ZfZHPmQ4pRkLV0s_kUoJdXLf_cT3qwv8YMeOByiZwh0p34GlcF4nbQwK3qskowRr0u3texl.LXLSrNvX7mvSnCaZSv5o.YUNg.gZoIfVJoCBVCyY6Oos2gFC6UR8Ml0yZEuxVtjaLDcf_Ng2_ifKM_rc24GKzHGhnK8emCcq2JRrnvmCJnIvnluHGZuHMDELmnNLeLMOq4yfyVx_I4T8sbPNUAH63NxLUrWlCWcm4Q4yLYb1UIvlpPTBiqhldgsNCS4DKe07K2KgycARJCm19uzoGGOuXfPKy94yKgsGHEQU9RrdjOZ4UukvFFZbIsyMfJMkLcB6JuKJapXg7h3eOomAdDNxwi8RIQ",mdrd: "EMX3FZam43.0_MsXZRR8_7QaD.qii2mveoyHBxZpOo8-1739102429-1.2.1.1-LECHwaiu8_0Xfp7NyPEQieKx8kYgtndlkD3wrhOEdgDTWTaFjk5wcFkq7OZhfzFSyPs1XcH6LOME3Mu_z8yILfE8hxVu3907eppEdHCUWEqPW.o01vnC6RyMp6CCTgnAcphmDBIWreXsJKuvt8A4G2iqBWZnBxAbi.xdzxMfy2UmuvdxSaF9mXkUSFrCdDnQ0wPXI9oxtwwc4Xt.eTAcyCMm_.CDPi9GyVnziFGpcs5tlQLqluJOONcyI3Bs_cMoJwF7Bm27cMdxIlZqlEaivWehabO3go_43cXu.uDL2EhVkdyN42oyxqtIKkMTrFq8DnkvJmw1tX8mmphgL7qTiw8tl2hy.mwRcOUuUlXan72Zh6DQTVbJ0I.5vXIMlgIYu2ZbAh2yQKazaJ_jeDuiEzQtTH6TTcInAEvPG2GmimEqJlgBo8WRO9EXxUDbOzUEdKozIigOB9NN7yW1CwUj0jsilOlVAfjGTRlGI5Yc9ryhyeDrmw7ULjCJftUoh84Ze6EWrtjT29muaXk2wBwc91qkbjDexk9kLSdBQssNW.jEyPgizFOeLjKHgh1LbR0NvPuqhXE1SHPHa.MzwaNm4CqNCbPZuAHA27Onk97ba_1zH69Bix.CwjW0z_.0F4oyObvbR76ziklzOxu7pVNd8HMunY5_LjNKGUJCgYBrrCCDjrK_kPua3dwxTRbu7tFD5GVnWSRE1t9duRLUDIGmsVGcehAs04qHIi8NuP9Pyb9_PLL2oQFF1fLONnTNYTALRCce4AKWOZGDOUJylRKAaaoGG1Xc62iI6btPjHB.NgC9FbRPHcrXutQP62kmqqjjewU1nysGKvPZ7a8OYWPT5B4UUwrvhd913VUv5dNyxKaIUGXZE30CX6DrQzJ1Od4YLvE7JIl3U4bRvqRLLHV7azM7Zq7GQI5ISTaUJw5zkKQHlcv1NvhIX1Zx0VVnAcZDzLAJ4S5Lby7D6M7v9A_OLLwapQE4alx3g6dTayyV3aN9lp2P90C5ZwD71UKR_m0l.scD1ZUExh1T1CeupB3tCrNn1_KZjzOjO7eKN_JKpiUmnJ8hSJwG9Qw2grHa4oxQQPvoIvPkXW887gv9LXx52MqxEC.HDNfKp5lU1Ts7VecUP.oq_3eYH8kwbxm2jDAkvq_pl9uu7ypWGeCfpxHB6qyFkel7d4888XczozqsVLRt0ppgfdR3USppfOkjydunz.Gh4huqtK3q0LRsjizATgnEAe.Ny3dKKZJjwQOIut3v1fMQme4wWDHqw7sTpreMk0InQIfgh5SbQU5ofd2iVj1se4Q8TKd2mHZqbULtUNL._NJC6CcZhXus_pb3eJmOv8dqLTgJ8kyr4p2Th2q8fVSFTxKS.iGY4DHOxSWIu7nVVJ7IfL.0n1EwrnCYoHvvrTDDBN4xZu3b.twGhqNe6DvpvfXOYbwXfN39u.P2TdmhbAjFCAtSRZiELpgy74EyrP93oPShxwdyZt4thaxKJ3YcS.UwFK9Bs6BIgGqfVZlNde3nQoPKiIQcMbx_5nWWni_rvOk5cW3Gy8YSuLQ11EAznqC2_XiHov3H5pYpTIirYn_SaMt.APFdQehzTe2S7EZDKdOru4pqHBTKMMXlOrQ5c6X5NtUgOQUmaEojLdQUnkQ44LnvqPMlH0ySRH90bnj6WHR6C8vv_r7b81g8Vlb3mptyZzDmUYfrdc4KcG6gDsGTIRRvoXysIwB34AhO53SsHX5xe7evAOK21Gp6KUjpNR.4iTG08WXOe835DbW.imSEQvU2zKzIpxof_p1KE0vQxQCStMrV8qDZDQCGOA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3b309adc3ef64';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\/1072345896?__cf_chl_rt_tk=FsFt8EdF78fH6je9rCHUksQetVofAVDAW91KmJKAHSk-1739102429-1.0.1.1-ECrIX.90RtmY8iOuK3dXz7TmGeOrMn5aNLAr6Bw7TXQ" + 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