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-181569356738.mit-edu.top/post/0647839251

  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-181569356738.mit-edu.top",cType: 'managed',cRay: '90fb092f48f0c990',cH: 'eGqN25TvMXBSDZHBket.9Xnisq801Il.pqCZMCdQrfU-1739179358-1.2.1.1-Qf9C1Mrd2vJnEieQ_anIN4ZY_lpl1Jv8eu7P5vXD3KoslP_qHWCSGKILZIq3mkD.',cUPMDTk: "\/post\/0647839251?__cf_chl_tk=QAT4FWb58zFBdZAth3QkJlwe7oyjn46jICrtqP0FFd8-1739179358-1.0.1.1-EyJfsMczTfufphtstKk9P6z67P6VOOhRcrvRw7tI5R4",cFPWv: 'g',cITimeS: '1739179358',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0647839251?__cf_chl_f_tk=QAT4FWb58zFBdZAth3QkJlwe7oyjn46jICrtqP0FFd8-1739179358-1.0.1.1-EyJfsMczTfufphtstKk9P6z67P6VOOhRcrvRw7tI5R4",md: "JHJa.wCd7Wf.innywpjoK9aXkrpn8NFLktbyzN37lwU-1739179358-1.2.1.1-TTnryK2if2JwS8OuQ4ULnvf.mnHdW2D2KnoXblGakU5_M7DwcZdPB6I4tSKuF2Z.Q0iqa0qlhMnW4U24qcDDeRiU5.GxR_ZnrmxtkTGqkmDwDjCIklBUFpgRVLqBP5RZvUGmq0Ztli64jKo773z037ho2eukeBSUSDWRY6TsPl66JGWg5jvCBnPKT_ZStC83MtoEOLTORhpZzqeQ526YGuNoWnwtV7jK9o51qNi.9Td4C4gsIM7VzimTBd.LWytzRrifmOe_dHiL2SM0M0aBk.cTYatqbOyko6fuhfst4kY3bUP9wlozSRpsmNVCKxIUK1V5RnvrD.oajb3XL.iZP_IlZIMQhJ4umrZ9c8ZbE8kD4133rIiV_snKkrUvvjxHRJIKwyRLYbu9PleIS9tixHRQj0Tlk62aBHtSkkeDmo_tYXNmwawNfXR2qCOhYC6vH.RltoG2B86XfkfmNK10BNjfjOazzlfroGAL7QpEmM7yBxguKiymcNH7xh563Kq1W4eS9sr7IxE.ghBewrvQKwyxQKT3q4ralQ9_mz2IWaMsSTaThVkrt9HxqEzaE2zggp3BD4i1FsSlFcgjhIgZ2dykNcKxpmigh1AIfWBGea0U4FeFzSjdLTn5Qe_DvxM9Y5oW7e_kz8uv6cbv_NluWFGUp3DhAFe1.51c1NUCxzMfv13opl6yrnLudVuPqNmWHlh9JH86xW3WzUd7fSP_OnDX6TyEq4UjusdeDqKNAVIQSMaDddP2GmfymyiuNwizBCamVz_IpE9IVxTI_Dozlfmhx2W81nC85QDsb3fPUI_ogmjszTMgyedCKof9n_pcowZqCjWAT.zIzfNCrBtQFtOTzojF8.BW1kuRVsEIrFpwwa2Cu7diRK2edt4G9evdnllyyQYGrC6m.Cuq9lovrZAU1k2ZAl2C4.OCu9Kx8zlptNgWFBnJOQWgb9NxMW5drWyGIxhjloepaXllPVxS9Wew6k4Js_MrEPzgRxGg7sT_gPd389oLLERWeO1Wp0Wop7KuRWYOWs1trb3DswmX94uUgTWSfiXGEpwzLQZg_GtYjBgv.DVB8gjExpxB2MTfMZ.nJNX7mXtUcC1W.6Px90lSQGnVAj7GuJHKGHBTXUIJuzxtJikYq1788Cszl2OTWrS4RTiV1VjQ0SGO2SwO.gRFibWV2Bs22I8V8F7B3Gwv6qzggeaPLdXvzoScPwO2tQAgbkCjjYoORNBwtEl5Te6Qy.1.VfvDvfBm8dBmXRCiZGkpQFaN3mBjoONX2OJrViW5tbo.iUgY664H_JRkUNN_.nmi0RmspKv0ETNkCG8XGxvRjdXnD5pkUProBm2vu3bhwoNHzQS39iEmAggXQBqsF5WfEdBI.PVuwtyFGqmk1xCkztbQ_X9krAVvc5TPxTJbO89wB.O3HMs4OYkM1AKMvx1Q6Qregdryb1z2klHc49po1Uir811yhZuVx0.v1RqnybhI59v_wOKqyn0M_lTLeR21JFDzKURsUo65VMBR4WAzGwdsIaUdDGE.zffY797VmBRWe3szO9tphVtjPY8a9Og5t_zXtBnhA3Y5.tHW9LMOXPnAJTUnofms4NhRW64nTdxT0tLm_qxHn6HjSSal1kWJPArJR5kLjbtEuKGgjXHH4z_HQ2AkSogNZR1LULhsy01I0s5yK_T4wqhuBZQOavQBnQygPDv4NCKEV5YB.HhpwEp6n.EkzesraohHtgKhVYgryG_wq5b1CDfMK2GaJGapCqdbtdMA2HEVr8iLMBjh7Hl4hVXBf.Sevs99p.u16z985WJkMqbzwNJNKyLKFV5kZAOYHfWFBy0hTK0mY.eIJSY.8xVzAFzbzdzKA28OX1hUQFjIt5qlzj9s40e32pY71S6o..cYSjhTe_Y7tPq448olwBb.a8.FuTs.B2BIpSd7NwgmDCF.CJRf6LD4u8S3K5AuiUc1u.UzJT21BK3u179QeNsGGp56.i1U413bxRiXL9BBGLaTWvKUmWpqgJxlU0CCwE4D8nz9.ESTskplm42sMQvShozYOar.4z31E3DXLSnpOIJ0KGC9NZjznexwVaKKreo1Kh.lish6zY0C1xXTZcOvY1wG04XXGMfwuVPUN_lxioHreWX_eD4sYu31t6Po9kGmhaQRKUxlyQ8sjC3BbqUvDKC6yhDT5l7EHwldW8tAtvHwLN5jnaU8mAMgsgNA1TQAJMXxu5wCvIDonOdatEbXQrklFiJX",mdrd: "Eg1y2vsG8kw5CiQTi7EqKrvvRxsx4OPtcJu_Bpoz5UI-1739179358-1.2.1.1-aokB7fOvMqrbTByHo4WerU3.NNEMJT57E3APIUfjF00mSHZnM_ioLpxeCirggqQz4jKHkFzmJ137DvhfaETIFzMeo.S.J1nolJRAeed_2.1QLYAfanqpet0uFYFDFO.j4Xshcp1_ZSeSzr2KzrarUr2xAE1hGbnbxLPlMqOT.FBpjTSo0JjUxZ1nncqpfI_S3pMPcF2hCL_4nabMRk241w2RJ0OF0Pa9Kx35fME8T4vxEkORvfzuJidU5kHwLiQpWwadnq9BrvuPFi0OWiE5dS20FXTO0O3FK7M9OSAujE3aCiKI967KR1JjAGpAqZmvSypSGMo71qhXn2cW9qabPWS__zDFADmctxTNekpCFfRgARpW3LMKprkqZ8tloFtPgPkK7gLjdeUmFNULLEqtwfpGYvp33els5xniBkEoW4FHqKlLM05M1zWvv9OOjqkoyrkQtyUnzkQHMZ.boU6Opp1sHNVzCuYiqvk0qa6uHdsfl3vgImH69EtG4O1Ibd0lSIEfqR8wwaObFp9WJDqeY5gCkn9qDDQtdJw1JU2Nmc3ih0w5gMnHJmRTFOacYFIHiv44ij8dzzG88JSg8S1EubEtdm0.a_2lh_qlZ1eEt1x0Iy1x5bUpi5Plr3U7zRA8FeCvmaFeKzzPZNJBe4TSFVOzwQ6HJDRPEf2AcBDtqdGHC5PucXnVJY2bj1c3UatRSq1lFILERt9EYFYzJr062kr.dUjixGKO_FmHoe35gqPIFxy8ttKJeLxryXKZcJPo0lX6inMnZTIMRWNCdH7ZQKfFnxNym05V5Qr3bmJPvrhG8d2aPl7f_3vXBWLlr2u.b8LudZTkUY117TU2cgpivyFJ6yIHkzz0RyEbC_wpmRSuiZCB7s3oTj37Krs_Om4Az72zFeh6B5caJHs0R.QsQU5E92ObyrLmBdslFR6X4ww23FEXoZLSL7oC3hc78sG8ygvg.EO6EBpCoT3J2KC_zBE9FUR9JS_JbKbhpYBZ0DencwAC_Vxq4zViXtk8.dXalvpRUFIEIU5F8rYXw.SnOJ0vRyGOXC4gJlGi5d5vxpXt.HlM6BwJ9.WlSF8RhI5HeiQ46mI6nJsdCuM7vWdCFVfsxCWT0lsr9xs5vNzm5K8NRCHf1mfgeleUILUbkqNadJLHoPAJxaWbMhR_UO_Fr58s4FF.EYfAkYXuMJ3pBmo3jqZjxlcvxKIJJHTXMD.17RgT3SXe7hLqB3Lp4pcp7.nygK4dh4hu0rc0_xBAfVovBwtOASzmmkD8TPZb8mvNIW4i1t_PPR6jNCbLMsf6GjUQ92DSmzWK3ZL900AOXXZIIqiL0SbCQn3VSJjIhKfe6WoAHEO6AkGT7qf4Ngv.pXnQmYl8ljAcdgFSi8XuWIWBCzRJz761_VBshKSFVKLfwA3fbvkYMeXq6aP9JIqWfZ2ZBy39GUBWa3_BKQ_aUoN4I1fCguTOi6zNchmqQ2xSAjLZm_b1PWhSCL2c91Vwxm9jnKgXz18.xerVrCaSqgF3WNco7g7yKuQHVhqNHsTCtHenM.yaMRGAT0wB7vORFrkzR1nEJgdqb67xMkYTM8u3rHEUlra8PZUz7kdGE_inmqjFRxNSnU0SvsiQRwT5iaHVy8IurlAi0sHV2mKs8kCHTB5tgSv.vj_.2jjL_wIewdrZyGaOO.Afw5NWAxNbkmBqMpdZMx83EW85yjYZA9g_loToCQRj9ZDFpTFtS9DuEAMyd1p2M.95SZmjo8G901pESxgMa1.gV9pOkJZIjilSLFnIm7ui_7SZNo_7.Z.vCj4FsyTm84KX2FQi5OqBLQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb092f48f0c990';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\/0647839251?__cf_chl_rt_tk=QAT4FWb58zFBdZAth3QkJlwe7oyjn46jICrtqP0FFd8-1739179358-1.0.1.1-EyJfsMczTfufphtstKk9P6z67P6VOOhRcrvRw7tI5R4" + 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