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-affvka6dl.mit-edu.top/post/0938426157

  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-affvka6dl.mit-edu.top",cType: 'managed',cRay: '90fcb71a9a6dc95a',cH: '2O_iU3qBiF4nhVrm__PHrFiVDt.E173XIFpER0Xn_EY-1739196968-1.2.1.1-bA5OCeXbkxYQoUDuOy7CSdZINwIQhFw31hvq4F7JbOJEb_751vaBHut3.Ab11VtM',cUPMDTk: "\/post\/0938426157?__cf_chl_tk=ULt2nP7.yyESNwZv6NYDrvu7P2CRRVXGVvysvtpOfFo-1739196968-1.0.1.1-vTE0mp1bu5GhnfGKtl.ksm3_aAF2qsHqrotd2PV47r0",cFPWv: 'g',cITimeS: '1739196968',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0938426157?__cf_chl_f_tk=ULt2nP7.yyESNwZv6NYDrvu7P2CRRVXGVvysvtpOfFo-1739196968-1.0.1.1-vTE0mp1bu5GhnfGKtl.ksm3_aAF2qsHqrotd2PV47r0",md: "Olj1PJ6GwaiWKhwSDaQ4ru2qIinG08u3oa5NWdYnj9A-1739196968-1.2.1.1-Qelh2bdAQveGpGOj71VRuUTF1GnT_REKyoS1f8WUesThIdmPs3GUbnVgIaCet5dXPSDjxRQruh7lTFsyYGqxUq3TtJfaqsT.n.zBdELWPaXVruaRLfpARYsLuG9dt9...geOGvt0YoKplNMCQu6nP5UV6CSqxP9McnvIRl95E6t7PI0WcnvjXkn0gFud.5u2exsNF6ofj2PQ8u48XIGwgNyUP2EbU5Z09r78xAPtY3w6zi55NPQNSP1hRPti5hxHtbLiRfrNj5Ws4VkhatSL_uRjAAMby6lgdQ9KRE4p1vTvbEovGLImVscP_okdwkIXlRB.y23hG.pmx_MUiT4xHPxmYpvutamZvwb9f.i5wcGakMwqm7btAxnylRaZnJmTxpVzKnZBkFaAQtANCPY3rpyCoQ9rTdy72Uu6M_VIiVYFTzqhPLSfSpIlbP9Hs4UUZoHL_rmQKdSx1BVoF2r3_NJJiMkRKAlqtE_jfOZcW1aCGxHAnlX97JUNIyGXSSiQIX4RJCL6sFd7QBJBg4qV8.r3RpH_kSWc.TSxVyzL08iLenlmJb_9yog4ZFVgZtXQdd68DM7Db5dMjuV8qr7xmNIjf3dcWBJuzAugeed.n4xt_Vj_HG2X_IFGdJ34EI7T99KHswis.SY93Ogi2rP4ZP63FJ4NHB0Upfl9PTuRS1wBxJhhliTahwgSLQZ5R8A1gsNOdPvf4a7LV_0cK21HLDRRXRor43LnzP2f2pMMRf9eO9RVSFIn2sMWJD3dEdV7oWh_jtavVlAAWPCxhB0fSZtROzDNzIMgdKKBmGiOhV7jKFsrepk3yipAx2k2i7e4RORa2OBQ0D6Redw_s8jfCNEaaHUgMzmMqIyuhpA743iCuvuhgEVWWmYCkxVimmQ_DCaKGq0zCB464oGFW.OxaL2tHpWVTbMZh9VlZCOgw2s6948VzSCd6IlC5bPJImyhiBk3vRDQsiiNwLGfZCyijZ9QUGZ4kopuLJ_kQXVFSSQuedNy0Hi1iZOIh3YOl_ukeXXeeLRAmINKkpoRXE0efVbE_5yqTItRNH2Vg4e0rY1GAPo7iZecv3_.RllnvJLdaPUgBkAblYQncfYfnPAjs1nKYzDhxRWuCceyHBYbINlycHNb0aX_LogSwwOcMFN.tblXFBzfw9J1NAehWqbtBvY9aQu217uTMyOu9Q7MCHpYPvVaSQgxCnnscZFuVgh8gJvUhgAmuyUFRJW3n1NckvqBqKl7aeeqC82IBhBd64gRE_hhKLdCjE6djH_7RDvOKYWbFzO7WrczdU30J_2d5oVjiIkuAqM.jPuk_Scot0hMk5xWzLgxR8JAIf8ZBAPdIRXpy6GH6IEPcCli485U3Y7Zz6YK7V2YNHJDGxwPdnyu0cl_afMfLzD98J.p8e8yJYINphSepgTYFvegdWlNh.egquxuL75H4.VeCztED.IdMeTV9DKHZU86PiL7cNe9y3GWo9WDqKUDgbNwzrOB8s7nJPczIESA.zsPpZn91xGs1UAJ86eWzNN4QVkDaSoY66Ari35GerjygGA5Ggz0PwkVIjkbHwVAl25w9YGzLp4AKBrbhGbvBH3S4EqpCBnuuvEQagplm2YzkNJPxdO.xUKGq1FyI8ZA__LssIPuakGov79el4pYKzLfbuKQo2M9BpXpZVJ17SGgSZbGYUuiJpaJZU1Q3oX4E9PeUwOhmzV0CDBcKBMPJK0C7p_PQpG1l61lOzNLlUm0TLO.CPqF9sySCIcrVSdf8GGlDZ.JlxLRzzvt.rfGqHqIV01FXmDsw6rOfEYkClflkxRwOrO5Xce7_pLwb6kPdlb.AjNO1I_KBfQa4ejNXUcuWx3H2ONFQzQsDKPoOXgAKXLrJb9WpPhnGn4uyFgZtGVzZHxMQ.B_HpyJczqcK7QVo_DJD9Lt80rXtcPo_3o2nsk5b28N6aulmDiM9sOauaYLyZMjGNQPpPsizPuz48TqHToo3CNwS7TVCxEKqOqWgbgLmVkirqvvacy1PFlHXIiY6a4EYvax0Vw29z0GkEenmOD.A1zXd87TGhvM.POd9dmb8uKLB8hYn3JwwVV4yrBWd3gvHe6sb1oiHc6heTnVD6kwoZKQplIYRvxYQSzJZ.hYF1llAQMm9zUOmfhXufoEDv3yMikMMTEFaeZv8u4IauvfKTxSHo5cslHt5aKAQ0oiwbiZrQ9rDplwrjzv6bPlSDfhdkNvhne0dEo9kK6R0zPIUAGN",mdrd: "jzvxSjbxAR5btWKWM2tYDgSCTeW5LI1E9Fx3C7p3_14-1739196968-1.2.1.1-WZwKbhN2GJZA9HXHOLMnSUReuFgsWjJx3_qDfP5WLyP914uYFOE1Ohl1izZlSb5hK06G.g3eH2UkWQcUjiMx2YhQjRJv2aDZ8qqxaHxtX4VdB9YEIPoplrFVhrZDSvVc8ELOSU.3rm0zqkrDOakkW4yY.uZhYgvCIL8GIYLXvUgfmK7M8Ew3wX9l4.pR__vNXtpoAM0Sb2g7FSk8te5DU1T8lm68EWtAbrg7gvVMRBYDRDP5NQNreg4kGG04n27C5DBzmXMSkzRME6oC51wMWgCHqJed9HviPEYuhNYDdv11VjTLF0mH.R2.eEOfVB2HIxsr4sYWw48_8MckQT9ym.7vCok7VgeKAS5t2JSdRun70gRQxBGuwJzvzcT7yDuTIf_vJrlbooZlpYtpdeYO77mUC6_gasa9gH2EMIEc7PQxhU2j5bgI.kL0PhUb0FcHg_Dx.IGfKEyAfZlLwKvhfhJB0Sp24EAPTqsl3pyTXc.HChSI4VvrbQl_DmdQljM08VRk41zNYOR7loi2erYlwBX9qRpuJZIHQB866cCbIP3gIPBiPmnKqN_xsOHzAIMDYP.z8mZu51w46cTHl4gWKYDpKLWtOAec32ES1V8gCiSNibWUjlHNKU8Rq.3dQSuqUbUw7tLUizRKtL8sseEVU5XgcpEb09oTMEaWEWadZoJFVBr1Trq.GHdD1q3C7qgg229Y1gfmvA4i.2TEVJp9cQ_Lq8Zzc9qPjyNSnrolpBQj5aQ_Xm3YTcBv5TYf4S.AUkJBmz75Ey6zCD0YW7tq64JQQTs6YeIc3POH1TnawRC14uSNTA10G57vDz8qnyyPJk1LV_pDyFi9S2d.LMMT5PYFBEUlgeDzGg7SkQ5x9BR.w09m31hkRDDRdi_0KflyjDeAP2MCZ.7zku5TTlDOtDHSp731TMlgrEigMozPuoxAKPuDKqtLQVCsLUyb_XG68Vy4pdoe0ZIhLfHw.W0Xo7XemHJTnM1j8LikQgV_WdHMYqmeAN7IXB72jR.RPjycNF.D_8wWbDwudHX5HVWbFyvdGUT6.0DPNLElAdPiRPp3fgdZV0t3mJX7tzCMxW5UFpEI5sPKXjRbkbjNiFiQ9wHTKGLW31TQzaPmzTDUNCk8mPb6a4XbwPsdc2vzX9yyVVzd6ErYyRAWqoK6S2GaZyhEo5KVP_0Yn1BWNG97.wQULAv5iX5QQoxLrQtO5T2qeCE262TLFaahNsvRg3Jn4J3Ms9q.6_mo0rOaMjfONvA2E6I4Jul2uQSUI9o2NLEGZIdPJC3ny8SXLEX45iXOk7ygcuXBSD0ctDLZRHS3o1eIH7fXzXKZK6ccafzGyrzKgMlM2BDQ5Qs97m9qxhM2wucHWdkBt3b8.o.nNqdQYJCOxdh_q.SwSB4eX.LxrWMuTy4ilAFHlgSzk.fER6k6aWHJ05VrB29HnP93ktw1gKQNMPlqbGTrtq_48jGEuLgQDa8ogtuGgk.pVakTC.XtfTVZ05JN7lTJhNBjcZeKntbl04LUuTLd1dn8pQmn6koY5148Fci6f3XDf.wr30dbCFmkfFrEKMlLA39_TV6vN.wWbiTWdrT3aflNVi0_Ads6Fyj3PAa3Z2Jqg_2OkLuxbWtFXnkbRcYsuIKt8c6WVzOpwwr6_lNdxAeV2l0QubqgyTOK.bjDadnf1o5ydVtMe6g27D7ziqK2qzfLilMwRHRBNeY_BRxLzQ127kN6brEROwSNBMgXgEjA67yLXuPukKe1qPIbfqxilLoeQa1QR_PewAqnEPET0e4U1lYQcgDTBZPDu_D9E.tAQiWRHTItcYZXRVr91.g97Efj0UtDd0A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcb71a9a6dc95a';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\/0938426157?__cf_chl_rt_tk=ULt2nP7.yyESNwZv6NYDrvu7P2CRRVXGVvysvtpOfFo-1739196968-1.0.1.1-vTE0mp1bu5GhnfGKtl.ksm3_aAF2qsHqrotd2PV47r0" + 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