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-aff4nt9vq.mit-edu.top/post/9231508467

  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-aff4nt9vq.mit-edu.top",cType: 'managed',cRay: '90f7503c193158c6',cH: 'xOd923TTlnpZj1nMSv0davpKSWoBQYTbL7QjgMJGLQU-1739140325-1.2.1.1-M.W65WRTtitWISMEz7nbXrrVB36MKheOVPjk1Ms0bj3.acPQSW2lbdbD2BSy_zkX',cUPMDTk: "\/post\/9231508467?__cf_chl_tk=WaQbsrEmMqzfx1DK9Xw2GNneJrQ6WUcANiIP1NKd1V8-1739140325-1.0.1.1-J0ivrM.AqdT1I9aaRCGGZAMxXVo4JH61mDOgJJbJeGw",cFPWv: 'g',cITimeS: '1739140325',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9231508467?__cf_chl_f_tk=WaQbsrEmMqzfx1DK9Xw2GNneJrQ6WUcANiIP1NKd1V8-1739140325-1.0.1.1-J0ivrM.AqdT1I9aaRCGGZAMxXVo4JH61mDOgJJbJeGw",md: "c9fEUEJu978ytFZO6cLpvpTmAKiiS72SLCo9wf8Pv1Q-1739140325-1.2.1.1-xcvw9DCAKOdZ1FWsGNCo25srPtPqKfyyXjbTKOSY4zedUjYCggBIIE7QA6yWIiuhwmtSQ62cotadqJpXTvFjm8Fwg.FvKsFSp99BjPzTjQjgA6DMsxaoSBiqdmN2X3LgcJbjOWePjuf2yNTtD1DZGAl2Zi8A4v1IWdFepgRXjxz7RI0sqaptxe0T5QIrzbfd7_nG8AUbqNVYI7jm4EOOi4LOUFrVVDXAxbjmY6K_vaYa0q..IsNUvvlz_pVRHHgg6Q7MbvrvWtu_0XOhlEPld9S4K4i4Jm1HZm_oBHxpHJoVoV4gBBRPtdFN4vfoPobtkN10jL9oEdONawi3DCMEbn8QG4CrB4TGD9gx1h1DXV1dvPMqFofiSSG14P8yYQYjndej15guX_JVODwmye0gi2MjOiS_gwcPU85q7IlR.MwA4MqaB1oHDBCH5MmHZuYO3XJ.z6YqUTzQeI_dvSTUbX_Cr1aRGPkML1z.LqDAQhugH9EdTiCiLoVPsJvDiWxQjK62h.sfWulusAYXdlFOaQuTgKbRlHrXwXjRXipLedE2MVBo68iYnVkNL9eWkF1abweUvSYcxJ5aHQmFEyRXYpTW2ZDeU1iDNvbwFwbGflRmyAi4tFTFas5GYM.Rt0uCcRLjZ_JMzkt82nw6wTK6ZhaPAf4NAZNZdzra5EKcOpt_qQuuj0F5waVUH5AY8SbXMvc75X9fcDydmXUHKoARb4HmRt601OYpquQesfUTGvIf_dWx2E7mQ8GCwth129UJMZW9XS3pV9SAfW3aJ05LC5ds8awr0_60MAiBgcGP.hPoEAaW75j4mcTX6TfNlVRW4S9cmwMWOnIPbQe.gINLrtq.f2vgC0REQZB3d3uVvpSWicmqeb6a.0rCid5Cy.zEG0BV.OXPUKJYFb6LJ14_PYmfdyZbixG7BkO1bDsWDS7X4k.YguaHvAG9gyn9a0tDBt4oPAx71PDkxHqWsMmYLB6PWZOYyBvvgGmqRbqIRfuvQc1_.FuRBkAhLRFakTNu_XZvUQ7erEGN2OlBTE5QrfghZ15HyCHDChVEKKhX110rfwPQ6EWTEXaa9SPZI2dPNld9frAFr5FT8g_EcAAC3l6iLNhQDJYvLoHqWbqOWZEJyke5FqlZAta4sRIoWwYhAt5oCLN81yFF39DJaKDe7nNncFPnoBbfsd_5af9of8Rmvp4zFiHyWJ7x4N8lKMSFVVSCw7dLrlTqXM0N73R9EVX4RGcSscdXtQxTaWp4QQehqFhLa671AwYcvKz_Q8IJJseHR7nKY.ftV00K4PPH.svvrFS0I.erGGeo5sm8T6psqdJpCWDqcS7Gndmq2eR6mvspTzbRYaG.3GejEzGEFfSHMaPmpKRb0LjDk7sxb2_2CuVhw2_rzReJobTQLHOfNQO3G3FQES_aQFU0SM56cYrWGQ5uESGO17SBZ1Lfrz3R5M76ZT1LoRBCkS5oYBBkoEKfrtOmLbUaCbLOVmLGUNcSX9grXUpl7yMAwxH_5llhYaWpFAn8G5pBI0iDsWUzRUvRnjj.DVlJS8U8GcheTecwCMRq5xILvJTdrJkCUyR9aXL8AleMpd1LdxnlOz7az5jdaCM4yEkBk9qLF2rNpHcBJBiJpcQzj2zDgl6rF.1hP91CzouUS2Uhf4V9ko1mX61OTT_Yaunmg_AqGwWdHBHRvAG4C0MHrtA.C5RoOgJBNhCGTIQdNgF1EuZ5LzYAPoacRbDwEumef4yGaVnqNLFHB._ih3_osNJlEIu_qVtEbzI3ecGUDYu.wEHIFIioVE7kMaidgMl8JnJUyBTPoX0_L2ZSffS3KE_BQuqq9jgwQulkeRY6K..ugsjB3sgq37pIxXbH4Dw5T1RW1qHZcmIw3OTlQkdrv2tHv1g.KuaipzRM8dseSuRrrbxfhzReZkcIPg3HlOtfdPdfwB4C9RJRbrJ7ieEpvMndgvOA1V6w0.6ngv4GmQKeaQM_sIUzSsFebdqZI585h_6gGLRgAa_uknBGbqqjVjLR5ydYdLy6ik1ksVECvPV51jXjNdAtDTX0c1edlUvo29RTI.8FebAZVzFabkdgAM8Reucqfob9wcEC48hVPCcgRfKPSJ8dlTs_QPTdwC2zOeibRBb5d72KikIKEiGmmcjsURQSiP.b.gwrZrXYV_9rY0qGmCBjrlBJ.pnChxYVilaWKxfZik_L.r_3aZ8MF0g97aPl2PptbrDO1EXRaUENokd7vKUe",mdrd: "j4qIEE1ioyMrTziyDXBHbGZ537Cpc_aUFw9AgDHcU28-1739140325-1.2.1.1-lAChZ_O8.z2G8tQrR1i9VyDGoOYzL8lqPay5PpI3K1KU0Ab3coVNoo__ex_r0wK3oP86uKfy0Qz2QPlRgOzhZsh8KRHId1G7Qa_s94gr21mRgum9p.DoDPYmBTxgdF9hpQELfM7VaNsHZ2ZwWxzkQ2XM9QX5..m2qI87tBIuTT722DI2qFDl6Am042UJlVmGKC5Cl7XMopuM1BpsKW1mjRMlxTmrctoYH9k2iV5mlGlZ5nTkv7vJ3b7Ffw1rQ_VlzrFUKARhbpwD5jdzF4baMfQDPFKWZ5FpYl7wGX1JVPfB5N4Zn04Es1fn_IusyXoOz99MFnt63wbRGJD4oZFTdgltcaRMXSfvHV9uthe8Oc7uTxoMqnMQumbvSyE96UXK7vBTwGEv8sI.YVZEIqaviZcA0TVYINna0X2IyBTVAFNh76F0HLv_bEuLDTERzHktfhjG60OyepikQbCrqZLsl6BS8eVsjJw1HMzOFOoN4eH0hRTgVAYFwfrpnD0VyIdD.or0tcc3vGlJWGm91lZp8kwnugdYRubre6J_Akzn64Imk.tAVBjaWfXfn7c7Plo2FivGh3PA7SV0P.3hP1HtleU1NApvDDchpuy6LxnB0nOmljzVnDPlLsst8Xr00miP016mj.01rzsQG2RTFL1gF0JxX1_PFGA4Fzg4SCgMIEVf4UDHumuHkmXjqHE7wkISvmZrFfzgfwXHIGK1CqMzDPoKpzwdqZ8jFphB4rbee3IsuCPXlweq1xRCCcnUPDbHTUXfFdAedTqCrmKCvZDK.Mf9mKW4G9LAXr_PBIhTEJLSDuD5DPKVKSBzJsdoYRFLBxSboZklj3z5vddUw9_FZTzbnYRjx_hsq61hMbT1v1uTZj37WC2TFCMRc4_ZnVz.MY4Mgd5q05aqZF29S6kT7S8quzbgc9U3DBkrrCsG4G00JmopwlJBHXVJbypUo735pOlqK0FHty_tG2PW3IWTJzXf8FRber7usShmIbZm3IKY0uB5BYaeIXuPhCCtecRxrZOqe0UEda1zWnpWAWTDGG9XpZi31DtR7y45HKeMARDicRXABsy6iVot.lS2NTuIQg6aisZXrnLRp3aKvF0cFHQhYhdCL6vlBMY.CqbamT4qPLPSzGjp9yZ3m7JdLNPYlG_m3ptCPZEasYftfzGYYI_Mk0uk101oehOSfjCH6AHfR6og_42CXYrBOisbg85XN_8xCsx13gO2FROLJ31.k14ixutNevfyteg82NpYoa3WmswE4mOX2HeRibJcG1k1yXrZPXdRQc6a_2H5qJSvGh8PuYG6yHoqa8hGZB6eEahw8GSCdhayzdwBsk9ztwIXv0MeYFzR8.p2ko14eH5pZH.tDWQ0IgG08PTx0NI4HlU4dlxKMjqxYcoEyjUACGUGlC2SCgjzbRLsX_igmHGvMgwj9QQZnsZbzO4QsPttgCJ1otLGz5xWNxjyAW0newSRtNSbUBJOMPqHgFMgHHHiHxhnlwiRg.JfJUmSUENZKPs2A5LzdR8z0Dzuclt7N8zKph_.Daawq8joD91EvecnOioW9P9J.lWbPYln1Br2vguZYbLZQSmyfZcNTYms5wWrrhHORn3hfPunahCbToo23svczPPUysRBClGrFxBciR0poaLXwxMgzYfgz6YAKTo13kyvaXcCTbsH4mVS8vxpFmkQiAgiHC0lP5wmlSEbDoqdlkjZOVAGDM8LhHY3wCdjZPzNnPeuOISAZwQ.nesZXbfEbCcZeJ6KtPf_wZUQA6QktO3a9zLcBocqEfftacmrlvIPrDoYHgW6nZhXQzMQwyktVbiRpBANsKmjHBq5It8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7503c193158c6';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\/9231508467?__cf_chl_rt_tk=WaQbsrEmMqzfx1DK9Xw2GNneJrQ6WUcANiIP1NKd1V8-1739140325-1.0.1.1-J0ivrM.AqdT1I9aaRCGGZAMxXVo4JH61mDOgJJbJeGw" + 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