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-affpwy3if.mit-edu.top/post/3654129708

  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-affpwy3if.mit-edu.top",cType: 'managed',cRay: '90f2e82fdfecc54f',cH: 'tF.1YjLHZDNZpUWP2Zlf8vKLpMdIkTXsVXrZr6v_iaM-1739094120-1.2.1.1-cfniOT9Yy9mNVkDpoD0LHmotMOtvmMG7onBarOmiI8ugnWgxbPKv3K_Ur8w4u.mE',cUPMDTk: "\/post\/3654129708?__cf_chl_tk=1HYRmNjcPelYKz5RRoeVDHCSi8_sjw4KJGFGhYSSYHI-1739094120-1.0.1.1-bZBZqgPI.hb4hAuc2d8TTqGwemwOl4oVj7.T8Z3ZTw0",cFPWv: 'g',cITimeS: '1739094120',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3654129708?__cf_chl_f_tk=1HYRmNjcPelYKz5RRoeVDHCSi8_sjw4KJGFGhYSSYHI-1739094120-1.0.1.1-bZBZqgPI.hb4hAuc2d8TTqGwemwOl4oVj7.T8Z3ZTw0",md: "daYGCg_lKOIFbJWHFBqxnsQhiMuxnJOcjNKuJuov_u8-1739094120-1.2.1.1-ixia4uBqNOviZ9L8qgXAEAsbC0qDjHEqyTH_IJO8cwMIgjeHM5AFjh6E.Xg7mqlvYi9xPIeg7.RTyoEtvgIHrGiNvHOaLi6aImmvpv5jX19bPXHs62Naa7SLVDTdZ4eFXHfppnkXcAmpi5kzPyBBkeknLeswymMa_bgQB3vuZEJD_BqKLXt.uAcsHxrMCNGnHqMLJQPbIFVqwFUrmlY7O_KZaJRiDR5LtOTYC30HcMDZPdP.cJRbu9lfYr2WiJhgKL.ZaAG3ADUVHi95QnTf_Gvih0mk629lpGlOaSw2Njau.SmrseMbEVqnh3D6xzm0DHL2Hcc0JrgwKDb1rd.otqZx_FIVIchNqBN5syd5aV_PbbhtRuzYkEjpr0WWDrmkO874OYLxc31K4heut4ihiFIHjtqy92zE.MxBrBjqVIgGh9Ct_9U4YfAA8TptOcMNfOOcJudrZO6jGyO0XdeQUTx2UebIhVbg.RTydBVCPeSuuPUUqeAlQ8x_Vehb0fFR7Es0VLp3iS8lzNpnp_QGRHizp8wOi4pwj3olBngXhh.ErFN5_mlQSLoHPNMnFWQndABUarLYsnL5QaV3RqBLN.fF.6UT2Ca_IYG.xxp3ps5wwy7RkW.U2cI8z_Kq_B9RGSkbp4bJs3dNGTNTX3G1Ku5J.N8zTOOt_o9AQiZI01VEb.28JDw75KOeFAz1Kg_GV8oboA.D3rTIQRm3szOla1y7JuNmbhf1PGm4aaIqSn5TbrDpNg8.A9syBRmRx__6GGcJnDmNIdMhcuZ61MvL_fp8DNcqsT5S4YdeatYvx03UmYAR0GrRxs33Lv0HV28xN92iYv1DPgazp52bGSykHuLhk31.4zKAOJnkPMrZ7RAcraAj0N26CkEw377CpsnjJUtAeupj10IftGnl4gp8xe7aDkayvlXMN_GfB5a8sivorjtxUzH38c3U.DLyWBEqcwEeAiCmQnU.PAe8FXGwSydbUfmAvvP3.lfGia_.BSGF.7IlwBy1SpOcYXtC8nsggdJ2tVNRfFnE0yvCQQweUVXsQPAfdGuBTBppK9Z10GBUAvs_WPba51AnJyIEbohqoZpH72cb03T8DXtMqTfJYwti_YrECc8Eg1ItPf.GSYmuFje3LOzidQWA1ow3HqYzGu61Cd9vg2pRx1lqicWEPU28FMb0AogYImiYf9nyL30pTN4G_SDWysjPx_4jUarROS0M7YMvCDAxHnraYspeFFpsNxje_eujOhNl0oNYsvZU..SQw2SE6gweDRQ6G3M9uC6t.M0NIm0OuYs5Z2J6iOCMVm9EF589q6mCUechbAoiw5.a5LJV97EOLO6PosEI9tio4vEg4jO5bATAiX4um_AgUktzCcH3Zvy9GnhgUi0nl0R4jdvoYlrQN3qpbAO520Yowq5cIKK313Kmw.UVjZLidLrDqeb_wULafRgtG2j1H9EzsIooH1kc4hVqi3F0l1w9ZcHFN_7oVQI15TBdylAG8fWtp45OU2tmDqP7STCFaglOkIE0MgwVBzQ6NkEJNRdJshpx2izJk62EQOtnxxIJTgiinamkQGgGDANYMd5qGPH3VjFR_6RRWOKz5wbdM5IO4HgV9vWAwUAdeddS8GOhMzw6hyNsfAi1GYWE2xnpRhdTOqR9lEFnC2R93o4yzOzag53sMuc8hdBj1OWGPG_DTDCb2do_FGq4aQGXtqxPAg50x5l6JfwweBOf_7VJNkVNKcgWfYTLdOk68rg2Zb5eeH588YB0Lr3UW.87.t8e4C_g5QIbQMxW5cj6LKc9XSsaYbzg9MvmdBWm.q4Kea8fKpJyPwa8FCvvk4S7m7KCDVGGJ7gMU1TMc8rNPFowYfoOrzWzQaK7HtMsZeTJ9FekR1pY8_G3Km8pLlkS2PaPTpCnfasoOlOkY5xKqg5C9N_9c9TaocXavgTI3_46g7iod226MjA1rTjaAhDt2R6ZLfoWReO7F7a4r7KTdxtNsQzC5QdxeDvDBPBf58S4CJAURbhSaOjOfbE8wlyzyPKJsukdb7qhacVSRThVBaKAwRN4O71HSXQ1ZeOM6IMoLAsSRPYgnfw.9PPM8de3DZl0Si1oztZNnvXgD5VYu4_wlPYQRdWHRBowSJIV25f_jfTpzpbx8MetsJ0.G_af4qWNA2gvudDI99JRTyun68BGRcGiTFVwLk78EHbMb.4IHQQSmZ8SOn80agstC0xrMdWAbp7fmazHyKD7ODOP6PwL",mdrd: "DO10K7tTmEGQPaUIUgltkzUTF6QyPsm8rz0xAV3G3BU-1739094120-1.2.1.1-zub_qiBGfARsrBaM_OCw6wdG6fGEPjNF4MRdjsVbLnnsNDUgTT512dGP50vuGcMWWjmV2TnQOQodAXzoChzkBNsV.SlS7aivR.mjoHWhX14HMptItjU9fTCqA1EscTmfssTUbueFnmqm913lQPgR9AosFDbGMaYS2dtnj_QEMDNpyGEPfqN1xD3.OUzM_DuQV5alvTTTLYlJlEdRSPyE5ztmCbmdbp_sWlU3e3EC8f1sQvrmjllNFWKU_a.LBoGhpFtHbn7gL0CI1ENI_0wr0fTIfv18LXjYPuSR6Hm6g154UKKFXFZRKs8jzbulQvVuMw.YDIZKa1G5gLIcjPxuHMqZE5gHEETSMylm2YTvK0iVlILc5MLKvoC9lTi1JJEG9ai4n0l28kxcdYUhcW0mnInZDt3VFenTyQ6RCaTTCD6KuL5B_hxTUskfR6dwZn0YkN62fDqKRXhwuFmGF9I9FF0YrxcplUEPgerGeIezj030HgpOJ1wMMwAVrz7W9TPDeVElkZGBg_AXJsw0SKYWy01CRfwNuIhlQH.qpr2vdOXuR9YyADq7eKtusnfD_Ku2B7gP99wHf6kq1wvZNLfrrkfp5hX4mtdgPTZPdX51IkFtpA5gQI252mSlMN2nFiYkitHMKR.GBGE_dKNKAfaeY1uYB6dzs2oVlDyfk7vHlzb2ABpcUrHOE.nwrMQcW8C7lXy43KkFIctLnIDm4Zj81E5Tmno_.xiL8xdQDzigXRKG9CyyrH3opMF8Jm6gni0CMkY77PeQuCcvZiZldnZ_RW7N_o3Ash8xzza6kFEn5uQ3qdtcvV9Ad9WWbDkO_ZMqxA7rm2BSEZ.OJRzsBN9e4MGsbRKzKLYwLGQsvSyy4UMOUQuSd8H54EY8CqZ3j6xLuPEHzd73KyPHbxo4IR6XTO5_Xd_a0f9mqmJ6uFVMibvXDvgEPxs0OaIjD2Mynk3X1_NpWilhpn55DMVJqyDFWi1oaHJ6uJ413dB9q.M0Kk_DPohA05See4V71aPU5L4W2YnKaWGs21yaeHMacTwsNK8Xg27rQqOSTGd04_BMMQzI_XbLCkSFKnAXIWPw0caozjBbnCglJETKLeurqzSTcRdTDgJCvTHXa9sRE.9tALOInmA49TKorUHJ1a7pi1eEazWtsJlJclI7.3V8VbOU21a7wbWQod7TZXGOxr8PzhctRzSaa9uH_xfeiYN4Fptvm8eq5_64mwqp_wfwq21JNz5fFyU1QMuC_pBIyxoJYmOji1BF.tIq4x_Ay3sqUZmNP8VC3tOX3De0v8FepMbbaeWgNie8UGLXwQb85Ew4GwqqRN60dtsXtics_gjbA_Ipp2p12hnJmbZ2gUJYuAjyEPSFhSwHilq6gg0yrl7fNZUxa1K7WDgu0s8u4P10to3XUSLstsvY8dLzMdgR9jlG4T0_Fk_O8HQ5Bk0CdhFHWAbMLYOofhqFCfxbEgJfSh1t5YLHb8BxbwUrw8UWzhjC1XHipv06h2Q61HWm4pt4o79ioEfu8crgK7kAPoq_6Wum7t_lIN6wHGPUq9qV09smABa3JMbz2lezqJ89bemq_yqwjkrzVloplCgzfpx8a7b3WWZnT8q2ChPmNaKiNwhH2B2JHYz2JlS1VbS.0vWvmIS6yu7VaMwAcTUWdK.DJb1Weut0QlFvrMdhyl499ao3oXBKe71xYJeVOcLC4CNP4bq8dJ4n3FV93fhpb0THbyKEpR_PyuFt9PEJBY.hYLX6iWijA6DLB0DC70XOyWdxgs8orMw4XUhqt5wOhX_Vp2ybfPQtf0DNOUwG08GOR4yVzg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f2e82fdfecc54f';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\/3654129708?__cf_chl_rt_tk=1HYRmNjcPelYKz5RRoeVDHCSi8_sjw4KJGFGhYSSYHI-1739094120-1.0.1.1-bZBZqgPI.hb4hAuc2d8TTqGwemwOl4oVj7.T8Z3ZTw0" + 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