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://866981.mit-edu.top/post/5604812379

  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: "866981.mit-edu.top",cType: 'managed',cRay: '90f4c19b6b0bd634',cH: '8npRtguWwlVRTYRcJ4oUlz6HRIxADM906keVM5Yh_Mo-1739113512-1.2.1.1-OlUQVhsL2hVpfdsDbw0C.6AFsDjnwpMkZb1P1FqfaxzXgLQevqqr2Fl16xDEoTvK',cUPMDTk: "\/post\/5604812379?__cf_chl_tk=udO2XTXaETFB.Hawsg0JteptjW1CqMHiPN5BToz..Yw-1739113512-1.0.1.1-CJA0is06f89p3aRwFFqnz8iLcGyKrj2LgklVru6PQGo",cFPWv: 'g',cITimeS: '1739113512',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5604812379?__cf_chl_f_tk=udO2XTXaETFB.Hawsg0JteptjW1CqMHiPN5BToz..Yw-1739113512-1.0.1.1-CJA0is06f89p3aRwFFqnz8iLcGyKrj2LgklVru6PQGo",md: "owIOkn.r.9Pi_EXRffVMxX9RAzUJexQk1.5MjFd.dis-1739113512-1.2.1.1-_0gkLpEdkXoqqsY10IhWE.vYcHRpdyzBgYPLUjetjUqitA1aJJOu52V5ALBe9JKHsBO61dloFk6KIPmJAPT0N_pP4lPMHpEsnPpFYeLVQV8UiSqxDpzLn_t4BF8fxDv6yNHOVYuk5eD6o4JfHQjrQsnZWajUAuYfmfi7laqn7ncosXVoJdHwnQEV3xNoE_tzaoPsoqPOqygbIizlbId2CR5XZQsJVz4MTvO8uidUsqmhEL5NR.bqW82XLsxmQpIcP7BNx8I4ZpzxQlCFdDOFJdn14gUfaVjpS7AidgWdGXbYgTI1disrndJSHvyozH2ymLZ_y3vKNVBKV1ZUTwJXUFGwNKXepUfRlIQwZkLm0xlmMQQy0czRKUauYtRHv_2AiGqc98JyzsxY8SdCSJiHkClVQrOX5C.x997DS1d2cdC.wSraoYibUY4BGNiAEsDLdKkuO2sw8N4x2TOum53Oik4GXFnXMPfyKfPEseL4WT4skrFrzt.LZ3Ot4HLA9HE2oYcWFp2DQDb9.0oYdZ1UmpgVcbXXpJESRGf2yxWYwXOUB1Xhxyoqjh6M6qbFqTgITMHMfZUDjz12.P6yGAYo5u6YWeO9Ay1XhzkXK2K.H.SIxDnUh10Ykhs5NTSPC8uA1yUVdCT_y0ruakIGCCLPplzAqE1ki9Xj36gBRvDnSkpw6Q3AcX7z7_QgQwrXP1KvzKM1p5nNdZazK9fSEOJ.dfmCun.LM1Jq2a.YnkDoUNT7vNI7BrjX_JZ7mp_WXUk55fn7flShlz1BrNjJRvsoQ6J8.RobSesJ.phgYnwppkefbCt9vDabvRIGf4izLAVyrwyTJyPpsI.b7VnMb87jMvvVP8f9LCztGTNnSFuQJJWLoDtIN.bqyP901iADjpJB2sBO2gGwhk8wjegmlcULhn7DmwqOcxDZbbX.geuHpJ49FhzyqFPZJJNyUYfc3f4DHLUqZryXaalauag.yawjM.u7S5mVG.OKTrV6KNJquEhbJYVfCfThqUlY7l_bfAbPA1F7dUY.fhtNAga8sV3ly.S2VuIUX.q90i4sroVr6h_EYwXhUKTd.Wk7BGazQ46bCcwRfZDGaFdHZJqIfKumXUygk_FV3giHSGZuyQpCX0tXyJZxL2DoZiiiKf8OdV1sLT_PwNOYovtVTDqnN.7UGzeJf_KxBsP1o_5z2Sgz7ZHlApNkY5LeAMYTDS5qFqHeGOtx_5mD.Zr9T6hIdDP6HeQOr3DQ60CAv946QZlOIId3jfwY3hJ8PP_7.n2BhHOjDa_UMIBT2q1l11m.sEz1GRFZ37W1Q54cUNeqNugjh4JZgnuoEBF_Te8Na6.1PmzGad8DaDIVBzMkYqzOHS83NBv1zmE22MYkgb47UCHIynuTACfgLvDikpeuEVZ3si4_PBZCSv9hGb4JQvwD7U.xLSlCUIto9chiTQk0u2qTwdwTD28pATdx5iBD2k3gvGj2QjonoEza7kWMw7fFwaiWgrC35UEzpjqpZ8zCDqS2wffrr9ksHPxSu1nH6FAn4suarkPM46ZaBurXI3nELXzVxT3yj7AFXOLtA38N8_tiUIvdNVgqg_GttGZUndt1PbjyzMp6gxRQ91krMgpkaKLa7HWYatmgMqkVjhd8vjyVwXuyrlT4AXMmipWeUF4swx5K07Sgwdb_ELMVuCmdC8TpsAC9zUpQGOCt1Z2V.m7oLla_7qVmw.c8TompnrUqdBaIAi4QYbm0K0edJoQ9W.a_MjuXFlwyoXsXGp3UilYzgiAPEsLw93pJqSpdy9WLKRT0PI7tPY7_J.8TWVqQ6fwVv21dNuvg_UFvNaXC2ON71dCzukJt1p.G74xYIWlnN29lgahGsbIrh0VWHtiHRF.p19CEyXqh4z56i4GNT9QdthflNVRrQORo_VBb43smtIiOo8Y8FpgFqAsLlP10owsFx3CsJJCshittK_tfn1dVZzEtMLn3W3MEKsb5YWW9jlLbFjUEFTtHqJrUuN.pfPtw2if3J7n4wRlfcVjHvwq7rnCZjDiqU7ZaefRgdiXCQJ9fsjXGVH6wM38kGDudDmxEiXF1Ww_c1ESz7LzcAZCqKoY8VonuIW8TYp.DUzuKOtIYcc9_3B_RjPGdwccIs9zrwN5Z4S9lXJNSLnm499P81nCXtnDMMDpZQ_q7kXbqr1DL1OnV8ftTYnEPG5TsESYzRNkgimnQ4U0qfJVc60HhRgM",mdrd: "MQ8Buf6CMCcvCJWJEhHUTYkiHH3DlLGzF.YgHadBrgA-1739113512-1.2.1.1-H6hMS0dLWi6TB6Jt7Lw0eeXFcw4sLjyJAcfAwKAc9PIIAmSp3pa180eze.sQNAh.sonMokjjz2EWNgcuiUjNNO8kQkgyA8zzd2gEtmeWO6xrcWLjVOjD6KUjN6W36rsNKbv_HkSUNUlQHGVbOSrim.X4wwjBiMUD2GpKofwFL3X.CJ2FuN7fsU_l7mJylbtrv63DRTpby413g4kpR1_faYyth94rHUiwP99jeMdMIUWHqpLetO8qWPwx2v03RMRhV3a4vEnGy.ZGM_Q_OZ6Q4PIRxp6.49Ahf8VToCfOBjyS7eFs_3jVfAbdr2FLfybBG6sfEly7LYx2mPxTWqu_S.LbBb4o34ilvxYUIixOxn_kY6N.Z3eHUfC4R.0R.G_wUdV35wMDoU3y9MfVW.KnE_5c.CxBTG6XODZVxJs.71Zx4JMyiEVtYdjCeyGV8mVOsvRYDVeYI9snOL_0UjWjLaUDAEevGNZ26T8ZIi856I35SUQmRd1MU9HXBKCSzyMVBddQmMdExAuIOA6QlGTr0EtFKxjz.xhX9tyMM5BNU4kBlG5F0uky5nF4VWVkEWFci9r7mMr_9lHQ12cTcFxnv1.r7biVPMr55b36HjQnPiLagJc8N4HAeDX6I9QA.nw1BJLdzM2774LPXigGJfyOnH1oEESY5dnoVSRpkaN4jvD_uTqjHWEkj2vnfPP_pmQg8ehlaejv5_FCHvbTuSy1lXSUfAVFoxbiOJSc_8kgcHSNOx_5b53cv_oS9y7stHOUHHSOuph6pQPQvKAYulAZTY9fV7XCn_IQYpDimT8BDgHP0LmiAdPpK8_4qDXxTAocCl9S4dfhmI.UXvyWy2Qz4upoyMNaumNVJUuQiyLD1aU05eWL4tyk59IZNM.a1Vp4HLEwjRshhzkIxCnSF0mxzIwNLq.8fiC.5s2grd4ZyDgkcGKA0I8pmTuWmQcdfLLuL53J8g9gSAipC2Adbbnl7EUkdlhMofuHOakIZMMzHG418JJSRKZOjWnA5m2wDeIhYjtOAr.M.avAxEdveH20gsFgK4qr2GdZ5jr15SA5GmZKOj6xYO4miYE5upVZS9uTRHE63s1.9x7NOrGv5rUhF0by8qoRjxCQnxPPfESuVDiM3wSEhI7xOCt9hOoBvSlew6axVmNTxl7MA4qz8p.rai5yg0i4IT2umXQijSrZneE5RX47BlC1siSSFiyQFLGVM6N9Lk4VBUilj62RIMMYGfKGSScaknjvwWEoW3aXvnwV.FRCjnTA_v_u2hLuMbfWd8gYDC7cOyZ4T99Lfg4ge5d8IFfqEJ7LGGC6sv2BjulQSQVp7TgwtUPipQEbHI6n_K8EtreSk_lksxUeAPscPOFyMiId86B2mttFU9k6qkxXfbVupVJVdFwoh8req3xGBxwXrUpTKlMJbI06ZEgEjMCtA5M1g5O_o84fjRpcKP6Ud4.bo1lJnb4PvRGZ5SGhXknza9hv7Jd7_DkTNuHSFzrbj_WTS50YHNjDLe7gozBwj93nWumnfDbsVWGJiRBUbwZqojjaff5AzOTAaN1mO20YWGSzIy_EPu9RuKPVWjyruobRhU00eqAC7vzp1qwawXTeC6cm1bPMe_qSG9ylVFt.qOc0uhErOsMZZ2ELKWQKOiHk7Nw78WOsy2efRQzHw9rTJLTlHIWlIiQOT3MCm71nOhRFRzILtKJ9VZ.eXZ3xEmXz2GlJh5tnhZY7JrwNM24obWZlcdroEu7k9wlATlcBRcrDnEhJLq1FYlMmJorQn.XqSJOdiakC8gGoY9WQNt8scdI6NkI9IeV4HKpccA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f4c19b6b0bd634';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\/5604812379?__cf_chl_rt_tk=udO2XTXaETFB.Hawsg0JteptjW1CqMHiPN5BToz..Yw-1739113512-1.0.1.1-CJA0is06f89p3aRwFFqnz8iLcGyKrj2LgklVru6PQGo" + 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