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-260650495620.mit-edu.top/post/0186532947

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-260650495620.mit-edu.top",cType: 'managed',cRay: '910fea7fbf2a5b0b',cH: 'h3Dk65g3YRt3BnvwxRzBzO2lOE0egHOR3Wd2qB27S80-1739398302-1.2.1.1-XqZdRyJoRRPPQtqjd2wNfmQF_4ieXe33wcfOYM8eWqaGj_r68d2QU2nc.nHL1CG8',cUPMDTk: "\/post\/0186532947?__cf_chl_tk=M7KJ0smhJREOh7VrqHigrm.46y8BM.h.3wLgjTZ98hI-1739398302-1.0.1.1-wG_MPYIf_SP4My9krbnMoCuq80V2Ftoq2G5ifKMA3Ns",cFPWv: 'b',cITimeS: '1739398302',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0186532947?__cf_chl_f_tk=M7KJ0smhJREOh7VrqHigrm.46y8BM.h.3wLgjTZ98hI-1739398302-1.0.1.1-wG_MPYIf_SP4My9krbnMoCuq80V2Ftoq2G5ifKMA3Ns",md: "sUzPtPRKG1VNMSiNjMM4_CVhw_1bqmkZ4DJSrY8mArc-1739398302-1.2.1.1-0v.gafX3GulLRBpqqJUv__bplJiEcpI7u_YG_32lXl5ZRuHqdwSKrF9xahaeT24kULEQ7ZQj8WROEYLpYKfCs2TT.YCvrTqS5WOaYIdU_u70LXtoBhpQ4lpHFtzN2_YWWWjkAefLQFxr_YV59VHj.h2iedpzYRCNSrC.RkUDuOiFtjSYPrRQbX.DcKBPDdzrqGY506QKJzG3J97FB0s1fIefUhr4kkG.BwAZQPygzR5PZvGPrS6RgCOYsChqB__nRe8XZp1ftLBZttsIZAyBUz.4DqT05JEydj5Ba9_R.OxfnE2uJDMQSzlE9B33YLGUF5tWKQ7EPghIKH8mREeW9DCi.8s92bRDunNgjYuYtFUrAvrkoqsOM59XcLFAiAqkfBxeifitq1UCUH6q4gDDcke4x6iAAUvOIFnlTaVvHV6I7y0P0ImBN9oaBb.2VysU_WHgMdQg0Gkag7Hj.QxAta94g0dodzbs4ZtDVzF.QH3KybIH0af7JFxNTzOeXmT53qGgglHpeDR.34KMIl3D8YTV475rsUVfcCHV.8qJDcFha25j8PD2ZOMFdRY75Z3CmTNr7C3eF76RoYAcAHxpjmdhvAwNkU3GNyjSFycsdOuPyxw3ar6HcvVzrbyXZOf7pieLTbZ.UnemjfhLSix5oHih1zFdFgfCd0jmOjkvRUa2W_XLlNAV9k7Y9N8967t.j5pN_OZYYxv7vj2a4DoFh04Zj4zghZ7HIMZadJbHN3Ej0g8vpnf.7OOPEfj1yRNkFyLP8l09etJbGW379JK1ICPqMIOSf8fla_8B57EQcEcznkKvgJQK2Fg7wb33dLH32gN69NZsNQj2YmZfkFmjf4SP.BM3JLoScJzYNMLyRVs3G9MwZB66OW5gOmR0cLMJl_tcXi13HgCj_A2vdnRHfiHWYwAZGBeE0NC3XayNqrgVGGlSiKs0Heh69GRcHf6G2lpWgskaGRwXT8pxt6GQuWuM2TdTo7Ymw9I2ioyDUNPsedtue5QAlPBWOu2deUYEHORhO82ivR9qd0n7JRKHlbS9sGmwdWcBk6McfSijexJWlR54DGq6i2ry_elkNUGWmDUAXJTO5I5QUOGAEcFYX4BH6LM3HEaA8TOgf5D62J46VctsEUV48nC0UebU_gU3sDR4eSOdUoygysgwQBV2n9UjsUmrT.AP7hMunOFDyIdm.YRc8or2XJUKR5S20PH1s0cEUsL2LUkXykRAMNZGk5AKvhyGVColq.zFUSBCu6w.Np2oFXjIPmazUBu7_GMWq6tSnvvagUioBkuVSiqxjQytkbXztOV7mfsgNKUKKtfyV.i3XrR7ifbJ6zqfqutiqJOEtfZjunuSXIP_swmyI4h013VB07lHZhMe1H5wJxTQf6obF0j0DWtZke_Ytxuk3jK4suoPcWeWFYd1u6SEnYqmzwyHh1nojZHIZnmMQNhSd4YxVagxqe4OVe7Bf02CotyW8UzIt94caRce9wCyNAvCfrdPuA_Jg9SSspPd0EGWYOFWz8t2gAREPOkTdETCI8Tr35lOio4z2LfyGtjh7Xmw9a4rkG.PffpFvM4oMPmmVNPNe20JOwzoySEDaHIKIGSd5VD4D7G8ifJn887pRjRd1uHCArNLtnUe3SMD6lcIb5Xb9TYQFTM0s47aLmSZqGbQXJspjVi7hGkKcFPzQAT5Yql2yKoJ4Jxh8CWyA12M.VU5nyDcG1YtNWNeuej3jZnJPWw6qtvu7EP.uqCRMYVG9uhyI.FXNnykzOojfhaLtKauwP5rRB0KK2cU8F16Xa0ZnAHS0d2wOeB1rsYMM_b5YHzUg9CHjG4s36lU6X.kZkk0HbjmOT1ByRABiImN0hx6Gmd.Q6xx5K8j3h9VdsVPAxCjDTTM_P25OYabLuWqQZogKv0YBVnRZZk6rRdBUeTWX_u0wydfD7HnES6nR_2vv0m2ZCe_lPbtFNbjjktW1rim3le8ghv15NTHoUf4OSMY8TKsofFFRCTRHJ_U0WUZ9jCOLfmGCgzFynj.5GWKDucafUpuM2k0ZQT7jP_FplBdMq_YqJd9TzlywacBlFcDfTvl2V5MM1Y3nMXDgHrw7zB.sDUySYNoH8xdu.ZLGQ.q0cwXszFyk5k8uWCju.DARnBViOcJ0sBzV5KJLTKQ_3u.V79aP9gE3X3RphFbwMKXprWxzQOu2njf.wDj8V.31vWzNln08UotZ9mjZjwfGNvBub9K6LgYE6yvNnhU",mdrd: "fBp.7tcSAGYHYG9DrY79fNHTdPU1nB.AJ_SBpItYEsE-1739398302-1.2.1.1-FPGbBwiHAF.lRd7R1Nf6WUkUxDpg9_2TXm_M2irGiiEZdtFlSBRkLYMtY7zfyHr2SU9nsYcG9bWqXItaRug2a0Nm_GlXlcdR8pDgbBaqlh1lPkkvkooxggYIOvojiNu0WuyC4UJNTAWydFfy6VZNwEGp..LrUgw1d1ltu64IZlbtztOGL6DO6zQCpniUi9yZqtBnxXB8X9gox0YB03_X8tHLXol06cnD0UvJv2BJ8iTN0j.aGNsueYPV_O1QZhTMEtk0EBIyjsRrNeH3J0On8bG2U5PoL5CaqTpGSWakF75R2wPEHf0rlrV0Gsgh8Z.Yb1NxB5ZIO1SF2Ucu955XxU3y8Fw4e_YryloxBP95zTgKemMCqSFbCPLpYco36L9sF3pZMGH2W0EIvJlvmC4yVBnxGcmlQQRe1r_T7RuFo1EGHOdbIbe_Ht5Vd6VG3CGo4BCdnUEtvWCGwbsOPoXWNFZo.4E8mkIFXtDKBgyPelZ.XDiGpN6NwOHxVogmxxxoe.7PPJbd01GqD8R8bCVVq.MBD4AbpdfiZqttA4qyHdt79I5LBbCWAeriTIncyP_UTGkZaOXHaCVFxYwEKMGPIgCLCOKqBmu_mWxY3115eEnI_LPRh3BKV7lMm2ub1zkMJ2_C.Y09P7oOFzYxQB._SxZiVshmoUx1B8cTy_vpaTs3BGi9kazhuxhAa2h909wz1OfvNPLLRDo6Y8XYLIeS2YM59x6WKDj0VNH98ZQBOleU3_V8X_BwztaVl4LHck1WIMeP2eSZB9XIhZzlMzx4AKsRfO0gT_534DblI0_nogU3pLBLskaKTjL3zVzHlUOkbBwCjWFJOx.ZInFGyDHneRhNjyuTHI3lOQsZvevzNUYJFTILRMl0fk9i_dBG9oEjyviH72tPaB1.j_ryVSuEroy0J5JYg76oeNttoEfUarqh7W.uziQyL19bSG1HOCIXtsF0iBZZXOrs0MY52lEQywwodfdHC14NNoDQVQoJGyJg2eVNSzHXV77Yrd47sQFWEscpNgHWpSQwk7XLKIa522tk_F0wWOpeT9vdyuennXPkZ3BFhhIQfmHCh7aVZIl5lcUa0FsJ.Ib.EVy.0hVYztj3y43rBirETTjLZa2kuMQtZwcfKnbUeHgeWVoqKrC3aeGAPnn4GPsIujfOCs66m8F5NJyshbtEfiLW9SCnDfhHSref8olLo.oVKgKMCGRplTdBb0LMbuGEXnYgHzVnGkxu3u8MOOWix8_wivRioBAiW.Vzl9XLyS0zp0pKjEquNHNusNMyr.ufrqjOQSTusSh1L5KWsVx.Md_k5qC2YspLs8iYFXl2.P67OH5IU.eXhsmrR2essfqcUuexJeZ5JUvN_7KIMYdHrSUrAJ_igi52FGqJPkfRp4QTuVfZQLTG9ludr8q.TiGa42LMcYLrcd.7fYTKdbRfJc1SWWA2lovaUHOxMTNVHEOyT7zUljjw2hFd0uw0fc628NYGi1gyx4SrVXnA5wHUaHZfp05QizxukLqU8qgVoIxK_DSq8TYY0gvEN42n0Y1SjoHPDNtBvuiGq2148OVDK8RWZaDdfLRSJK7PjBFlcFEi6DbBblPxi9JdlXoQXaFd.8Tj8d6ED9RFH8aQ_8xScYDnfKLBBea9kiNreJ5Zo30amdpAlxYUmlfH7WtVgCeZpHjsEwDkQ3l9IqeGNYJLbZfeqQdlpC2YvIq81IbRNLpcXlqArST7h9ZZHRHeH2JgSOHuQztloCF2HejAh_hfDdTjiSFYr.mZfk4cg64VMsIH9bsmzfMsasSc9l6BAPm2Rwot4IJxcdCUpJ_wAxrZG68fsNt9cvw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fea7fbf2a5b0b';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\/0186532947?__cf_chl_rt_tk=M7KJ0smhJREOh7VrqHigrm.46y8BM.h.3wLgjTZ98hI-1739398302-1.0.1.1-wG_MPYIf_SP4My9krbnMoCuq80V2Ftoq2G5ifKMA3Ns" + 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