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-affrtlfg8.mit-edu.top/post/3641098752

  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-affrtlfg8.mit-edu.top",cType: 'managed',cRay: '90f4960e595dc950',cH: 'gvK_a7u6ssAtEgfN5pkxIKra9SS5SgVCOSv8_Arcjyk-1739111728-1.2.1.1-MeUMsehVkfnYfK92g2.On4KIVNJWJtX1jy2B8k4xHKPVkA9_K2S6jWa2afKGGHGZ',cUPMDTk: "\/post\/3641098752?__cf_chl_tk=w8N6ibt3RDxYxBmY6Ak1Wc3FiBVXx8ulg.OOZlgZScE-1739111728-1.0.1.1-04mob6lx9T8Pa3Hg0DmtOp1.XXG_vLpEwp_MFWb8jtw",cFPWv: 'g',cITimeS: '1739111728',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3641098752?__cf_chl_f_tk=w8N6ibt3RDxYxBmY6Ak1Wc3FiBVXx8ulg.OOZlgZScE-1739111728-1.0.1.1-04mob6lx9T8Pa3Hg0DmtOp1.XXG_vLpEwp_MFWb8jtw",md: ".Ogsr0nPVklS0FmuvPHXneDPiA9fiwkIjxpRO3kYD9M-1739111728-1.2.1.1-ajS2uvjc3b29c6AZrG3vaY0uDQ52TgSvf8ESM2.t9cIwy4D2Sw3_lsWPj9kWPWlKaV4s5rPW7n450s2KfvQfeFEFh4AeeVwHkfPB6oj_kcULevQjEPESpon3n95RVsAewfUSj8nB.Gy5dVzu37NmKfTKRvk_BvGGPlbbtBkmd814zBUbyEkyuN60mH5PZHR52aKpqEXpABug4AWnbLiZWMHakXlnOdIpdssozOBYsD5sST9kuDJ.TeFsFLegukYlW.__qcGj1tdWdJgsB1zSAwEPH4pC3QVI8wGeBnjsIL2hSLRMJJL.VnQY3ydBLuzjIr0W6QS6PhPTOKho6v5e4qz7tb5O8de1caL75Z7KXm8_wYq5QVWwQEjlNx_l7y6MYD1W7aTq.t61fz2tI4oVWmoUfhsm3gstk1JhoiE0Pv0B1QnwkCWFnNvETjhdXKH6HQlLo0Sn_zrFbvU.FPRVL_MmF.ZMQX12vdNmC2t8PZMB6bleqH1rfPXYRzKdwL6eb1irTD1suGqN5R00vUCjieZrDtH.96y0TXAMZW3D62GcY23Ux0AWx2kD4iUegPpKKiRy9FQJBY7UxZLvvv2eHBlRX_BX_gJzra5S2PPvKlo4TsWP3UcH9bZKTEf6z300bR61U6YSgl4VHOedb1ntCiNiYuvSzizZNB.pPChxg2PEm5eXfjNGPgX5KhtRgRp1BR_Gjf4ojOjYWUVVsNOit2bofGTHDQeTGelPAmE8SnYyDoasGyQ13O44QqHx8f5Fq122h_s1kaZ3rjV.ibfJdm1XBrBLQeJT5jTgRQJBNS7ZKPbYRCg7SCxGi_pYXNNpZQpDO18YJyyp.VJBS12XYZrxTWVcGNSOE771.ZQi5lITC_g7z7QHX48Dm1dHTZvIjCMkS4qur4QbLUn43j__FG8gX5Ybab.LdzIAVnJqu1Ac.i_BoZE3HqUood2aW4bXIqBSoEAG9qckafdjg4fhFHt9IXYa_4B2CiEAsZYiihXDnx241gn3xRERGNcbkJW0vRq8fpcTBrx5L8aBUr0RdlpIPpl7Bb2sJNi_8VHt5LPvDCYEYghr5qiiBXDV8FHAAZ2Mwqf8O1rSsDVOEuSxGn44c.wAnxt84mQRoUjuAZjalQTxprfwmw1rr7IOj2C7VXdmuBmrFnQvkvdLUzqhTYI1Yr1OuirxSCwK9uPfWcDQ0YDJ3ZQ4VSsjTvHMinMDw3oGu9DLrCWPq6fwWmkK8Lqc4_Rq9UiNnfwKYtG5c0f1NpdJOATqbG69H_FbjokOERv1M61OiC7lHRwqfNzjuZ4OuQ0m.VJ80BwVfeaMakSeGebgv.wPblvOV7DfD6tJtM4mA9WPvvqWRI5baqkmpc0clzcf9Q5NI7Bbw0W35njpVIygfvUHcPmeGlHwMQqoUC2fe9JE5BSygExYBPs8sYiu28r9tSBoUCgvkWtiMnqIRmDZqRXEp_QTW6tAKVwW7R.8skXCVj2x8Y3nTIy0QltUoxMufLDM2EBUVHFxwK1hdFVFLAVuEQQuZj3TDhnm2NA97VQ8w7qhqxiMa19vtKKpBbyc5nHHKcxtZAL2_MG8NZouT_zshXiKSK8AdJ7hsiia_gyiYzBZnYuy8Gl7dVPW3NMk_2LNI4t9b3GQsBXg1CbqUw.pmqmzruR7XJa7vkljVQQrFvyCDtiiT..ISUeLluOpV35EXN5n9Dr2rSv_J7UbD4qGjgi9Gq.Uh7D8hkb6Qex7avWioFtgMj8DDOqFwV7qtbrYq.t6f2B9SaA4jj6AFzVWS3xVwIUTqINj8ofvPcbVssL.g9I1XVfCno6Dvl_X5c1PURMW7ysx7LqCnysdkLU5U470Nz5Mi9Xu7.BQmrF1wVOfYHvQT8Uc9kg2iEHOUFpwIjNdmp9K7.Q.LvOAD63q6vtz96tNN31G7Q65KOY6qCtV4ThGPoJBQV.rfP8_ONQ5d9GCfe5lJQ2LsuT.9W3LdOIHx9UyuEq3JVrtDRr.v_5RclZ1QNLLsaROK9VCHRWdfVKlyz.PQVaPiy2cIz4ZEplfPZy_NSGdzzuhYkGvGYhU7kkADTlXFhXcPDt3PEmxwCHiZWuz82Bgs22BpXbGLxGZFs2MxauAmsXER.Z5GoU.Y5z5N3q5robe2N5YfhEpweJ8f49IL16yMrj0hHAW6pzXtVgfVkZZLbdfo7fgiVk8nW.xlGY_a.oWwyGfOTQE9UgihzWhHCA1fVOKuqOr1HSB9IBvM.r9",mdrd: "BXwejCzp0XMTZ8tzBfPYIW_VQmTidwARowcW7zRm9fY-1739111728-1.2.1.1-Lx8AsWolVPJ8RyqqbJ9aB9QPUmeTaC03kXRq.cbw46hvPG8lqi0RY4KmMTKRhvKdfLD_JiJZfFteetCIsWEX1Y2BS7Ba.JXZy9Rn4j.eOqg.gDD9egOmVlapwqNUVdeagC0Lv71KNs7DzCGWRkQmQIamaoMsV4ghwGWlVcH30jlJ5pJxTKbEV4JPK6BL91SIa5KzLZlnKZ74TiNbxVxpeHtnYrZ3zID1FVAHZ2aLV_5RQwd6hMT.Jxtt7Boj7PC8814.KnfYs1zCFcsG1cSpqkebjTAVK0sVtHjdWJxGeNeEZgMafeWmx0I9_nHFuZKSHWqmh6v.rvIzLhpWtpy59FSLNS.GrPFVmGgSmeSbvGqoaiqkue2OjM0W.9p8mDEH_Vn.5Q7RddO_mf_D9s9e0QqQzZ6nKo98tjlqptSHx77bMWQczo5Pn7r48ZS4Bsm14L.SEFrLi.aq.oShkvpONGjAg0hDS9zCeJAisrc4W4FFZxuMnyvIosufKNDyeVgd8BcBYVS8HpjKbx3hXeQ5LVNDH8M58ehQnL8tHiJxKQY4qiVGcJXDjDapK42LexCxfGuGAh9HIffHnx4.FqKQBaPoqrQe1GC79_bGCWzkH4T8iXSTV2P_vCT.rGsAGWB3HfdfFps4W556rRzgP38P7VSiH4EhBSHgU47ZRtfgYPAL1EF25gSVfDU_03mSq_EkPsRaE6re0sYlVwSEdV_fY9rquUAJG2rQFS0gsanWIVw0Dgys4K0mr3NIpqhmkTSdK4m4bTok765gcjBIFt7hABUuTSRRilZAfD5puCJaxgU91dDBvqSK0sgEso0ydfRD_0fmn8abzsrM1I4hzDc49Pq84EpEwGixDeA7bS18QCJPXFshzY8X3P03SgbGHUazn1PDbr4c4rJCPIjy8_KeVZjT29SE5YnxrWOjdSZBq08DZqzRG7NfNhKH.D_a6t2UINzxY4KdTsrV5F7sTJkhJDpHB7pnHHwCU_gMVDqzYIZ2o2eg8Zz7IHzIbI7OUN9tUaWjlfUPE7UdnakOaW0vfvuvh9q2owbrTT7_Gr9APMKnO5btLJlNTJLe.h6W0SxFqk31WF1j_CSgj710hPJ6I2KqYVlIEFyGHC3DpZg2.8Va0eXQCdMDcuryrRH.2RYjNXnzMZDyHsx3KcdaOEHwFHYOBw0cTjOHbZI0TmymORvyLpEvmhyGJhoF5I9bLa_vsf8nsUMm7b1szyDhzBKgyibBh4VlZVgBvYhstrF01moe46BsWMf4UDl8bPndXLrcBDW28a.ZjJSBTpyZyd7Hlt65UdNjHeDxmuTaYy9bbAhfPdf24EbDctyqhxS_YPYvMpg3Nb5iPfURnfAfK2enVzqYZ3TMm.AzNL1wuNUaAdQE2uU8CAhz4lElevmGLjN9pHvJap1lQ8vBGETUjX1iuEZsK19fPgeRIE9L5nhqe._wHeic3FgCgMIelZ05Zq8vKGN4Rc1qAFiToqlOVEIVnR6iZ7Js_7cpXKeQCFeSpaDWM9tgErwy3bX3oufgHRG.xmZvTYKjRjjKPbxtIcGKFZGLQZyatpXtClQeFRz4xWKWejxpeI75ZukBQu2cS.HIiq_CUD4XAmNlo88dP7qRJlmXI9ipDrvK1k.CVOA4Lht6LFbGDaUqSmMg7Mm6sBvkysY.Kv0.O0DxhdG4S38CDhKT2EQ3xQWn2e0tVHT2BytAFF3toY38OKmtFsuxtPLWRqUTAlS0Gx3NDZzb6sN33I9vcsZB.kxzXj99DM7sMLjz8UIZ9C2Wlt6mp0bDqru3CPHVkRTjLfxdCErGoiFsdzwRDU1c7e0pRs0htVBzG0s"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f4960e595dc950';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\/3641098752?__cf_chl_rt_tk=w8N6ibt3RDxYxBmY6Ak1Wc3FiBVXx8ulg.OOZlgZScE-1739111728-1.0.1.1-04mob6lx9T8Pa3Hg0DmtOp1.XXG_vLpEwp_MFWb8jtw" + 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