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-affee5oem.mit-edu.top/post/1562738904

  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-affee5oem.mit-edu.top",cType: 'managed',cRay: '90f819331afc6faa',cH: 'a3ExYJ1tZeRk84C4c.b_UqBDQaynxUWSeYlAKhCuEns-1739148557-1.2.1.1-n8EGLkR3yVkOYKs5Qmuhxbf9s_zclmkKBhxaYSzKSgaYekSfGgjR8ZwirS28jRhX',cUPMDTk: "\/post\/1562738904?__cf_chl_tk=7xGkydyt_XFB_7Em7tutF72mer3rrDIEe6hGXUnsS9o-1739148557-1.0.1.1-XWaSd3RWg.JfzaTwIHX5lrb7RJXzS9kqFiwOmF.KVoE",cFPWv: 'g',cITimeS: '1739148557',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1562738904?__cf_chl_f_tk=7xGkydyt_XFB_7Em7tutF72mer3rrDIEe6hGXUnsS9o-1739148557-1.0.1.1-XWaSd3RWg.JfzaTwIHX5lrb7RJXzS9kqFiwOmF.KVoE",md: "T6Vhx1WAUINfD6K1TRRLLjfaC11XZDq1i0MXm0cRJpw-1739148557-1.2.1.1-HZ9qHkO1sLruAy1._.mK3kJkIw.RJYWH7uDMBrNMyQIZyleZSnA_XbxlDB.zNzMlml9W8JaPG5SO.ZR4svbaZEDg8.8X6E_IbH1ou6Mw8apBtEUWNc98UFS5YSq_xGT8yyJVZhxonWo2zG7Qsctyw9JO4nKpeNVnd_n4HblQslCi4wKh1KWOHOLSXC2_FEiKgrW3EHeG6M2doXXq_P9SfZQ4yEjsd.iUV8DLWTGIX7Sb8B8fgkEPfJBExfJpN5venj4l3hAS1lSc4F5NGuL0zKBJh52lns87YN_y0hBLdkfNNbcAlAb9EmVGiCjVNF0V9GtmEz0QGDryLHE3cf0XoNDC2Q2su7tWtwre7gMv64dBRAorS8tkDZu4D5NEIqZy7So.x45aRw7DNgRJ..LalEkGkP0_pTYWj4rwFsniAu45wrG4zQp5e6QZANyyCbZ4ccyWUtBG6LXUxr_RXl8LceIKb_zBGHY2ciaTXBUe02IBjIcfBvGAyb9xUaLaRB8b6FJA5mdg6Wg7daB1xNkeFZqYH4ZrCyd22lbMgmjLQaO_lzy7t6ejumhsaBezG.kDqAw6vOkrPyDreMCKaiz_rLMMa.tDvj8VbsY_URyO9HMRQtN2wHNvo2ILrLsnkNVutI2eX6K0NOT6By3hc..RhX92_C.eR6VXnqRQrcPhxI0y2WusR9O_M.3r2KVqqe7xZBziW35oUiJMIV65qlZK5ZF8HFRM5FF1o7T0e0jtBCsZWQNjrF66lGEC_hMeGforQKbddm21ZlILiG6QSrobqnRZwp1oekUlL.nOR2qQpVnezIbM51xo6JZineFMsrMvcT22QQ19Sy0jmOggJHs9sHcpboTrP7IfYSgKPTjWUfSL9aL8B5T9WgRvfmRamOBNmT0KNEjjyBUPGd3HfZuApTwQVs46XaJ_ik1sxfSe3Bb8HW9m_JFGhXqzl5wNqgWBfCahyHGY5heFl5KlMRSUr.4uzUqYSzWhMZ__Cp_Gg5iR9SyeTUiQq1YQ_tG5t9npB2U6JfUkB4PCj6Gl8QouY9C2HULNzbDxRRkktiRppVEDNBK_HN59oqLUU3pNmqy3K_t5lVUsnBkhsBHrG_OYIWOjNBhCDByYoqwoKXJgMPGv6t2wCn70LyER0Aa17am0jFpFFjBfTG763cjAFsSAWZPKf.4b2xYu9APUgJykaBuu.xHGabt8qb4_NL8vgIyzlpb8qsu6owm.TW5wnUBNrF_IdrDxt3ZPqe0bGjLr9rG0UxK6C_EzhWvWvMupA0f2_PU9F18HlTxeSQ9bMjFg.aDrYggL0_moNVA.8YmMTIp8e0CygiRcQMwk5v.JfvV_0QXA2Gh998OtCHOg1N7G1sF4Y0nHS92D4outq1P_msYbq.E_W3LaAwPLRinbiQOKZh2JdZA0XJzdpuK2jkwjkJMzYooGpDPHa1nuMdrNVv_7myLUuOP2Hw6bAWwa3q5jc7NhFRi7Y11lGhG09x2x45duVVhShAH04.tWHWSHhqvJ6C302Hva9QNZT_Z9BBr4BDw8HKDhhGqgppH1OUOAyC.EWU.lr1zWwpaYLPYDi5gkASYBeqSEqUHiBwGbsGhETCqm4OBMZ0pc5o.V71hJLasGqjBNGSk9d9DgNp5d6SYJVHDfdhOETxOqT_cgkgzwcdumhj.OC8G8Pxdx4K4IcGypi8FykMt9mCqpmmKeO7Cay8kaJ1iYiHitIl5UoiuJAl2_qe4NIq0H.eU0nT4OnN2Oimn5tb2YOXw8NkacB8195J__Ad8U081ST5ruUsR8raiwyLcDYCl8iiGIZ9CS5BbG1sm3yVbDaRajCvZQ_24Q7iYonMSwM3ulu9ysCV0yEGYrLCOCS0Uj8RssKcn5mYe_9QfhBwLgVe74MIp6DOyvvv4tBoWGXDvX7Is0cydpjnV4UWENTDqG82DxVz0FSVkEJvR__.BXKNm69obW4VWC3a7j4PmQurgr2QdpPYLGXRa.7R1if70O_3wFhp2oJqSzmuA249RdGcG6sDXTcK8tqLBepqgiNf5R9Yvjq4PlmAGHQlvkmxQEKh8ougyeq5F16MFRYyhwKBro7eLm._VK2LZ1vFpIZAyPQThKj0ofSHQ5QPjXXnCQ1Z.dpaCCK7a_Iafl3rB1GXuTh0ByX8VTLRwksfjm47kuWsZ0_iNOTx.o1PCuZkMAX8N9yDVlIyJCGPn2cFOAY4SHtfjMEfUK1IJrUas9P8Bw.45ZDzGl",mdrd: "qdEvzGrsHKHShazNoj2ecNFThlCfyOE_zPaE5Q_EJ5E-1739148557-1.2.1.1-M9b_eBrwuTrGWNRKjbV67PspSb_izgLaQKqRFZwj9.0yWjBkWwpW9P2g5QswPvhkk_EIyxy1EYeyN9OIoDnfn_qbgvdSmlcPVdHDncX2J2w52cz6bITaIuzeI.pk9ksxw_0pqeUWzuUtXLoQfMUoRydYSzPaswTctfw.CceJnz39YlHmumcolyLnMDxZf_ZQy4DWEDd_9rebt7.LMzLKBsvmEESvuuGjrInpf22qsiHFcRmujiMU0WbNuN9LIH_WzhOk7xW0CoXZiZE83YYc5KuiVngf0Gw7j949q_BCfy2xEHW3RVp1cIE92ZD_VPHs3o79xnCI7d5NE1HT68MmmyJ8gsd0kM7RimIXKYMIJi7avBFagNoHzfI201dJkC6ZZ_j3WVnnhAf838IF3X_7phnd6eFRTkoe0IzhC.d93MDafONVlI2QDQnvSqNf9TQSBLtaYXrF_yJHaN3FLTpnldBA6lDEMNRpJJ0H_0dMGjjGwmf4DT1jOI2bUxLM.XMajw26Ptao1jq5LE71MLzkG84nMR6yPwG6_zxoK_AWF4XQ2raYn0EdjJzdqU0d2DI.wiRsXceTi81lQGaEH8lh9c.NOV._7J7jxNvWYg9N.yHSNEAenZfvt5QYaZh_PUiLTvzvjf2TjesNPE51EBoRkz3QEdtbWWmetHPq7X8v8C7tz1hFUW_rCndGAx1X0Ohp.T1Butgma8I4fI7MulQcgvRDTl3Gdjyw_1ple1EGOttm7lDptqVafU.hfN5LmynpsQZU8Aajfyos.AJej.bkjY3AVWoJ1EQCDoQ5CGpUx5ZU2SehJUTvjmpAyQey7cLgVW6iYcFVjCYB7cxwW.ydsvSlgMu40DJ7LaBemNSemVp4uxGM8iwwCqptgPm5ysOO0_TuYjAN9XevlPPSyWjNeprE53VghkXcPTi1JtHZXRzOXZHCg.Ph0V1a0ajFwzbQ9iVk.7obvcFThvtPcbrApXAEuqkz8OlxKzxHLbjqifct9JYaX0SFF4vW_bf1RRmu5cyaMKZaeWOLMDMPek7v3PU5tmXyn6C7Tg1QGJgRukqoOxfflTi28HqisRZS.2G5F4yRQ5mjOAYt1e.KiM4b7.O016MAY494oowh4qYH.lkYbjaJnU589yTJvw9dy1WnayV_DcSnme0XI1fRftizm6hazW3rOdt5ph2Ulm.N3dONNnVuJZppOE8iMjseCirmvfHUEMCWeajhaniCskfGpr8MQH4oed.RtnDAWCrIvMUYViTRR1NA9Zs.1xJkMYoWes5THP2rH_sgiMpHE3XUReEHobozQJcF6pYq3lVrXsCy_m29VDLbZb3sCeqY0tPRCLwiJEM5yAXWLO5ZZjo21w0tmkqV3JsF_6fjWxPBM6oyEmYOeMMvXBANdxENrBf7VTfD6esqj9yyuxJsH97mrAq.gH6HsBjkshfsR2xntkblkClx_MRpVPLBZKCBS17JBBkxsBmNqraRL.DtvOwKSlljTa6VC_ThaBI.eoP6JqxvGBsXvYEJeXkj15BH0SN3sCb_4yV4LAMHp1n0zCH1mUou0K6C2_gKeZqnOQM2bljwcCKM8OjNeO3XP4ZEsEVU3rnBHJW1TFb1HYzEn7nXDuEQTqA3IEtL7eUh8NIKd_XOj.wUzzDNUIrGSmhZWD1gHidgjcYGepmRTrhe3_5xqZPmquXveimqP6WIrTj3yg7uGwmwLvhnUeJoKfflmIEab.fAN9CCUueRUSJvwX25j_kMsE9sYseoOJWfhHW73mr1GvfaMOkl_s9KF8_l_Osoia0Y5IxFrYFF2GveF5QuHQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f819331afc6faa';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\/1562738904?__cf_chl_rt_tk=7xGkydyt_XFB_7Em7tutF72mer3rrDIEe6hGXUnsS9o-1739148557-1.0.1.1-XWaSd3RWg.JfzaTwIHX5lrb7RJXzS9kqFiwOmF.KVoE" + 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