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-affce7p8j.mit-edu.top/post/6217938054

  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-affce7p8j.mit-edu.top",cType: 'managed',cRay: '90f3c1e91e38c987',cH: 'uVPpi5J4b30Fb7ekanXqXLLprYvDMoT8dXDHJ8Ibnm4-1739103038-1.2.1.1-t2LSy2_0Vz8CVUPQ5OLpQaZXtM6da4Lxk7GGTrco2QkSp6XO0cPN6S4utDYnGwvn',cUPMDTk: "\/post\/6217938054?__cf_chl_tk=1z0SQVlGpthHzy68hjdkEtuZXNUy8UVXYIxuxS5Zbe8-1739103038-1.0.1.1-pS26RS3w0AE.ygahkinP4l2GMYsHbuMYeKGHnk5fuFk",cFPWv: 'g',cITimeS: '1739103038',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6217938054?__cf_chl_f_tk=1z0SQVlGpthHzy68hjdkEtuZXNUy8UVXYIxuxS5Zbe8-1739103038-1.0.1.1-pS26RS3w0AE.ygahkinP4l2GMYsHbuMYeKGHnk5fuFk",md: "8fhf3n_OiKoRBGDFzd9wBsCmywVdRx9u7Y2MqQs1XnQ-1739103038-1.2.1.1-Ov.cWTRIowD.uUoAD0lGTuCnZ9dFBWG93S0Sa0g9o.1pF6P7DW_kcqtEdAiOk1SJHKRe8.u3DyZC7qvay8Q.msKt8Q5T2YQ10e9UaJU9aGEFxg1u2zVlaBMA7clj8GicnpNBpTFd1efFG8FuNhBUlto2iJYAVhestpAl9oJ8SwVcQMknRmWw4i01wGDlAuGIrCWdhlHYxgziDBbs_gIHJuYolM3dgjq5i91YEeCfhZ30nOtdxtWPISdUobUbIUUVIE9_MRs_0UXMhti_mT5FdZFSjNs3lWL473O1WW0PZdLmL18fue817OPtDezxyPUHQQLiRLcF1mq8l7YJyzYwLrYnEXZF3GwU..AOFBPjS3CIe8ebe7zBMx0dr5g08Oa47RXnaFzm1pP.vjaB9McXBjdpf7meCnRRTVFTTXMrRjIpPs4F0gRIGt6R7cgUcGnzNArhhrJdU6cqzOa7WE_LWmJFJmiYo50CxuF0qGmXA349W1rqUTjokedMr_jhjnZKZYWzHrGQvA1f00alWC.HwPBzg2f3h81gUBwBdvn4snjLC.vFsovKc74kcI_1t5pt.g.PkQUCrlgMlwipvLdMae2_iXNedK72SpJTk7Xt0tqgJ2whIUVh12LerMX7_KaJkn2AHUrK4djPABqY0HIst_D6Cp5Wiw6nkEC0Tk1L5pF1oRSLvmo7lAaptwmwTD035iAzfIt1Uco563PjOnhn16hzVkN_717g0X.qzX0B0C0RLnMCA.4jWlsHNZ.Rfok01zvJOlyUXqV.wo8n_jA0IyciNHL6ywVFYAcNGtpD0MBkpY3.Hu_CEMRZT2BqP_SrKVyt5rr_6eWhlyUDTyVZogs5htvFqu7J3rTAEB40q.O8mZhegwWgg5C1WA.RZBTc8ncNEcoh7YZGU.wD9AH2uxTyqSg.Oyoo0MET.5KmRHY3oJjTMGopG02UsRV53tdluU.Sk5Ogxm2NaZ4tkp4rpb4gR1iGaVWkbRryjVP7zGbCcla5L_by2HyM6UtHFSEWJul.P_WctBik5X6V.z9CRuWxooiVrizUJNdi8JsFtRU4bkK2Ne1JLSY5tocL75ok1IZ24YWuXHreNZwpUZkGkcoZGVEAdwMZMJCpmPfbcsMv8vDy0HjLn0ZqqALGzO6mSWQYMHIDJXInhp1AF3aPZNCbQpBLk6K9soyk5KJCHK3a1dfQhYC1470y3cQnJLGqoUSGq2.ltiYEImSRrZzVC3uxKt1cbI6hjWN.BGs3HdM1cLxnSA2g2XF4GS.LIFT52_D3arUdOqfDy8smNMnCtt0hck41OiArXlbar9W08zHdsegQ.olZKxcOJRX8zN4jHze95SDuZuRjrj6RDDGnOhsX07fN0PCIrsxB6UJOWwhvBBy3oofyNK_5s6Gs8R96eplnXhX9n7dofGaeUIKg5gnlFcrCHWeboryh0uDmBmc5eMxTfs39wbXAH7AvNgAYv9D67sNRLEigGgy7.gxR0IE6U7RLdjUUKxPgTQ7_LWCoXPPDe2Usr9zvXwavy1zVi0iIe0z4Tag5BY01TzZUHl0rJtJEad9_MVLa2YCyeeOuJp_xH9mQSChhwPYCdyXqEZNiypV_CI_9bDZdQNMtKVh1WPj5JjkN5NsUE.kZ.o.xUPIZ5itCYYpUwPjtF6jmPxLpqeciwncZ1FgN_UZyyE0cpc7uzvt4vr_7BOrZJWI3IB.CfOyQktjtevTk.7vDDEE61Xo_g1FaxCA89XxhzKJ5Lid9rZ46MkfGBI9a_tJKv6RqTdWSpcVAfhdRauqV4NaO16RS89DAbkN1tuX4qeNuZMegAH3m3IN5LxAUOmGvgnAloAQFhNKCoen5l_AZLH1jms1_Tf5NQpfINta_5Agfy6K12sk33kct38YxY_iiWntel_Vn321SJOH45SusOMxo_0dXjJImbsgaihXhDE41a9.9nFPznom4ggr7HufdovYC9Ncyg2L1nIJBnjJoVq6mnpZTB0.ibsRb8W.Zz6FAjYHFN87y96mnpYA49T9AIHm6RC.q0agEJA6WS2kKLM.NenCN7nBNmQ7B4_68ieeMUxot4ijSvPGjD2SFhaomg6xZutb61pt7iUaEInlZ07QmJH.O5DGpK9eOo_JWyDj9hXzPHulK9Id2YnEn7FcTzZTYuQ0l5AEAUlerok5Wm7LKLt4MnMelq4FpoQ.V9f5bWbI02KBamDvLDk_xdpzkf8nduR9Ug6PhUGxknnya",mdrd: "R_ctyqU.90EpO.nY7kXF0GC2zw8IhhC.47gtvA2_vK8-1739103038-1.2.1.1-Y8hqqP3XLOwt13mdj7qHNjRZY5xi5RdUfTFFszAqTmPv.mMqucYx0XUMqsQ2urv5qXkGMTrwoUupb2k0XdueAJ2jVzwfsxRqHCXeFBQR7R11Qr_I7t0HVUqOTLfEby3CkibOTOSL5SterloQAwmssoZHh12l0FKlFBkMxRkuaGbnSJlTvMTb2XDBKJ3XZ26JqIYY0a.04sW0DkTEQoVe7SqhlG9cTSG50.Um0oz9mElIhJUNp2GN9CDDvtobiPWbtd0m1B.2RdzK0xpJZCNv5NEtyA7X3oKxyWSipf2vy28W4I9wp5kBYsDDZtqJU_N48kewrG9WuErp2IPvXYDqVEEwdVUtFNlWQICd2MGM8rBIbf3lws5_KglqzNv8ByZBC46ox6rzbJ5F8b7JzUfPE0JbSSSXbsbubQemNp6POSg0JDgBZdzJL.uEmjlpDL4O_so7WzrfSr4Mg_Knb9Odg6pljjHxrxBmDg71i8eFiEV7ust_dnKkZI5VtrEwljSkVec66TMnQYVQM20cMwglJGWIa_Y3nA3U4zBwUnYT.WABjnPeP0QQT.pqGZIEUK7WJ6qPXVeONaAPb.rCfGWCSUMTPWInOOPE_bedB.t_ocYUntiVp.gpGoFDyzcOAa2wKN8NIvdQ4HGDILyrt93dCDh7VfyPm8a0GMYJLc2og._SzCOEmy7wwUzm8RHkusqjrw5Rn5EZf_4zhILjfDLVBx5DxmIkZ5247L0_yjlLo0DMYi9kDz01sshbUu8XcIjTNEdR0fSk8rlJltQz9BSD1woGkGY8aEB1xL5ulE84HRc.7czsy79uxvMJ9XUDigrhJztPnrPXVME_byWVdRVuuAcdJFbjBrdxskXUrbJpjhTCy06EsZsjGpZC6tncllgPZJU.dE7WIT2T1tQHMnJ8sZiMcS3yRfO.zZaOZ2JOZ_T7C1bgv.pCvMSxL4B4Yn8ff.k_xQ74MVondWnx1cRX9caHqpSTnZ5vzSJIjd4.Z97zlFX3npampwc2tNmBwJrG1QHEiG1L9hEOE2i1bKYsylCXiZa9JqDSM3HW8b6zXGcz6MaLxC4_6Q4bXCV.119XQac7PITxuSaJw2NQ3ORexBaig49_GM6a9B8gOmY0cqx20om6hTr8PcLm9Dc.pRo9CkTYMxUrEewsXkxJHu.XdG9XYIQHvQ2Q9a6ln7cYb6naLE.ahCMDHRNdCfz9HsG9Z7IqExkjiF7_btHvMf4MA.QzVDGSo91OneTHD2azDkJSuNqRq6fZaQYc2pEOFsBS4nCZkLIxx8N76BFHe0FOZvTObH5COMaqTklIABcm6nLDksQB.aPf0nGCiDY0I6TSc7X.0De_.PEqwyDf38pT8oofzYVOZ.bb4bh1sXpB1tQtAOCqYPNK4pHAbwHO4XVY4QsINT61q4VmnxPce2xqlPWhQpaYSTUUnvCQN4QfCnKOvxbhPrRnW4_9fulaFFpE4XLvDqb15VKQgYk0pOGRUemJFLX1C2tis9eA5HEwSp.ap.RLciAWAxmXC24qk7eXnhGNw0CE7N9mE7McUfTFhgp0EIOum0ig8p8ErpGlVdp.z.20EjP03rxYmdWKjwV9pHTKTmPb_j8Iad5lN38VY.um_NnPJO3OBRmoeicdIZUkEwx3dS_Tlb._95n2vTTsbTS6hN8Pl_fyVQ5fawQMvNxzpiCLNUKshWSf_rcGgxJDO9_mCt_m9E0XcdtQjalFzPfFHO0sERN7dWgOUEqaT4CadBJwdg0WllFIOhVn0n6bSM2gbE.e37LQUlicTKV_RQnCF34jcwKs38wKmvtJX3a8.ypX.O_pwh7IKZnatVg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3c1e91e38c987';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\/6217938054?__cf_chl_rt_tk=1z0SQVlGpthHzy68hjdkEtuZXNUy8UVXYIxuxS5Zbe8-1739103038-1.0.1.1-pS26RS3w0AE.ygahkinP4l2GMYsHbuMYeKGHnk5fuFk" + 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