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-aff7z4zvi.mit-edu.top/post/5684219073

  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-aff7z4zvi.mit-edu.top",cType: 'managed',cRay: '90fb2dadde48c553',cH: 'uRAQwwTC3oRDQn6O7JzjVABk9ger4nOh7pYp5sTNb9o-1739180853-1.2.1.1-4.KS6ciPPxp40UUs9dHkIMrHneqxM96N38YIqFVf9NkWMVMZCiKYbOSOgwrCa2jH',cUPMDTk: "\/post\/5684219073?__cf_chl_tk=.3h8RxEix4.nEFDHC0X21b3LgoT6JNZi4YRyfE_vE8s-1739180853-1.0.1.1-Sg5yF9XG74FpZ_pc5j752Dm9YhzVtyS7sGoaJn4m6AY",cFPWv: 'g',cITimeS: '1739180853',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5684219073?__cf_chl_f_tk=.3h8RxEix4.nEFDHC0X21b3LgoT6JNZi4YRyfE_vE8s-1739180853-1.0.1.1-Sg5yF9XG74FpZ_pc5j752Dm9YhzVtyS7sGoaJn4m6AY",md: "VqzgaBLbjNVf8opnuxUUA2v7eemCN_yiIinC6IQa2F0-1739180853-1.2.1.1-qWpjPCeQj53kzzh6tCJ8YMvxuKXaAWWqXFHzmEiMZh3sJsfY7yydeJAmZ2Lyo9GwDuF4uMdRDNHmXDGppAYTydO4eQSINLotwyLDa4Wug2WDGGkfUdg5q5Z.he6foNbeRmPtJaIZpxfznxFoR6.SNKBfe7HqJJsXMdTcmbItDxrDK4uwE7jB2Nsxcdc0PqWx2pRmT9QAQFO2hOqSVPaWI.lVw8GOhTui2yGg7HfVzlDnCEycX7coxL8tzWQRj_edFs1i0QXbPvtaq7GvygPYT9IdwoG8jx32.qtM0JTt_D18roN5HsRet3w0LK3l8whO8ULFITvqPtk.pjnWHDzpoA8CL9OwfRvIjRuO2lPaDWtOl6Pk.RNfA8zXEUaVALsuOf.n6KuVjuRNhhszT8yKDhp6KzrubxBOJkLcStiGWsJ__J.q4pu.KVMCOsty4Kov.mmPju7fgDOjp53KuWdPd3txN7Kn8o4MI4RIGEaQKOzoVkngN0_sCKEKW9QQI1FS_giko059OxhGdfFnQRxzJVfX.8ScBgvtfv7XUsm8mvqd2tQpU0M3A786Kz62Ay0uN_JoPR0_R4W0w.iRcTqUuJelr81IJGXxd1HLOnepX_7IhIQ81ZF67Huc.G4bmTzI0oNwMFi1SHaEoebykaekbVCy8TvYc_GKeHjCoyHHe2yPduVEoAGaG5mHPrczj0tESNIlvCSN7bS2HhgKGqUXEr0oGPbmXWdZ1KzN3ILraoubf0rMIR6OdmRLhCGpL977iLTs1b63GKsUpEds5BV1Av1BI4nVh9X8OQO24kDk2dxASps9XlveZ7hHIxnNwyVqpIUx4h0Jjpp69.Dc.oLeFB3UQeQcwCMScjuLJEY_fg4VngGVBSqo1Z.KjFwOE6rpN1OMPcOi0Y9_gSrmgXUMCSgXbWasO7PeNjpwqWD0VOW6GkFl4WZteSFk6CPPdCe5JZuYY7NCtdgYELM5iuLAEnzOacmyv.dQ8fSU4Gk61AvNFhdwKIrc0mv3OM82bH6n8xXyTKTVPh.2B1d.T1svpQjjZh1e9rTxylbaVY8SRjjQ7y6GtF3qxkaG41ASxKmDTzSd4Gjp7fIsmFedoYYWnA.SsCqbJ0eEkUOUC7T.PayjSPEJg7RGGNVprm49_fxPPPXqB6SHkn1fDywDBkEtdaaxO9RUBKIUCuEyk_8bcLFjw3Od07r8S6kxJa9LBsVU_NZhILD6TpV4rocIIWQflBUGuxS3txcWt3zuYFk0PayuoRcFSGeRt1gur.kCaj36NiewcyclAvz2TpIeDhUIKHaXBDpSAvnTQd3DTpkcZyRh7_ktCgmTjS1xX5YXFmGHGQ3EIefXnLIaCVXgyEGFqYAIMSiX2Be1qVD.uXLMHCxr9tne7na11.S35yD95UQ9ftM3z30ng1fwIh9aXqD0IKbQ6svHvlbE8J0ipCKLUzGEhriYOoWC_1Vp60lvVPE07sbED49oqckhr6zhOKWgxWJzMUntIcLaLfdOgrl2SVLu8VAmItMZCDvTpd5ONT8j0wX4BR9IvbO1nqT4O4mPuq62R1K5jaigffT8A1Vu8OaW0rDQ5NdiFLhJtEoRRo.rsMw3tcwK6Z.tdZd2xvEavMn5yovAaADupgOsGCvIYwGepZUQTBWDjBV6wsDSrMYsWFetkOG2.tYELv3BnDjC3lZt2skxcUej8bBlCYuNUcvF3X1xt_RXtbo2bZfSFeyBPsqJ8fbAyi8r9Q1F5x96yK9OlNPMTAR3ZXUpGadlYxKVCs961ez43ZskRbsJu2GzFQwCJXZ1h60gfdVsFzkbaeZmsUfKaaeS8bSQW7T4qgSd0Nh_xNp4sQNQEV8aOnzjEwvKFk5Zw45T2M8wpyhdZHbckTOMPXiWJL6SND77hoPDBJZPrhcs29pEuItrhjDIb_N9qSDyZgTRFmm6YT9yfxfQ6yDnz.Y3w_rHdgir_SdCiIWl5g31MFSP4dmK5CzJ5UovGeevP3tOvZqbpS9dpzqN5_bJGI26lzFhCewXjB7xpQqYnmNiIfwt..r3q.KybkpEbKwFlPcCuAQZ90wdYdr_YwfYpYJf2.48r67LMeQ.uiVmwVUvUi9ZWfcVMhL2dtsDgFQHQ6wXPQzayf6cds8YZrUfceuRq.1GmEd19kNd4PkzeXe6VT2aVhrOoT6UM4WKff3KkQTMcHWAGE2v968i5FxVCj9k9rkRQCPjdkOTNy0tUAP6Ztubx42tOl83",mdrd: "U_Mm3LceJfARhGaGL5ZvmcJ5AHKc0EaMoG6M4ikYVyU-1739180853-1.2.1.1-FX3CVW8N9Gqkp6yicjK2WvQ0Tqp7dDBW2dE2_sbL4LvOutjDjcWqOWc5XulGuImgvmIBWpuVFAmdg119oBvdEnC2OtyKjGdmvZLeQmDRIx9DYFgNuqAW4dbY4MSNR8AEZO7pvYJQQ71njnJqcoUEg8xIaRFKEmrwaO0MXzt1V_1GP7u1icQeWiBqNTwjP_LL0Bjdnm8bo2AtjkC_q0DzitaaHaUVnINkIMg_UqybhS9dHcDvWqvrCq4hSUzdLlqUx3OBZJHemLU4dqwhdX0LGPigQmtuZwvcI7mqbuIveOqIQRHht1GWb0uV9_ZyUad2WTnLp8QuXVgpKLzjtAotKXKz5MRTFukpCLx6gb2zC9mkiKYATRtuIDgYuAbUY8YnXQBcFJP_KqQfguphspvLDwZeGIwlNnQx4kHdtDG9S3NO1KPG0tYQX1POrKxpi3yc5tzhwkYo0.BiIDmEJmZV3IqZTIzcz22xDy9wxATAiRbrw0c9RLrH5rDBtn8YnjZ0qDnKXAIgd36cpNkMbIB_qdxHBfCST8Q3bgmofhkQzc2nRZqz7.5.p75Bqe9G_51J8scyFQvdAQkiW9EzekZNixtzk1B1aoyHrK0L5iraPzwpl7Q_l2bo6R7sXCk.jt5T2XvFtyRoRlbcdr683bm2DCowmGyIf0CTLVTv.gBv1aYaGHUL4lDCTzOVE9ixuYrodMVtj212hasrGec2QdEzQ4Or0f2Jy4a.qIxZtsbJTQtE_jPUFBtTMX0XaJsqbtST_i4EuFk53veW2ju.CKR3qFLcsPlUIu1arWHAyzn.NC43FWHxVs4y4BNf6zh1H3WtWS_F_gOlLrR2Bb6Dx1a_S0ORQtRLnnj0q1gqfhmui6RoNXpgnn_Fw6MswSB4o9tA5bRWuv6Vzaeqkv0149c6kcponbz4ZSakgO7fYWxzkq1r9nb98dAfFQOTa_9kS5Pg6M8n_BnEl8jp80O37vYfSBYlPX_z0D5Q6bYiXKa.VjVM.u433QfSqHFnALcYWVcnO2kaCqAqQXiE1_nHEZeyU1mNb0TJkZ4r_4Rvq6BmEOaL7RXmbaVsc4auZ.WS1UE3sRJkw4sZPlYJDfZysuW5b7WIaWqgqQ0Ft1DhyJEHgseRvM.IQTTx6HlJc9kxdPbS798w5GNNjoM1MXPPRjxK0CJ2BCUtrrLSJQaBuMkVrV38yO2_pZ0oDZ9LvU136.mC097aV.gwCvVP1EDSODzDH842c7Uj46oUzhS8FfUpLuwIXODdqQ.S6EJgQUigthJnxfRftulWzDvwfNkNsM3Gggcz2MQfT35qcVVL8JWE37qX2Y8A09fp5.whLfohRNmW9I8sFqrM37Jf4luv5zXRTVNIXV5uJBdaCX9X9iMf0nv7F_Fc1Ed40ADGznLpXX0ZENT8PQ9ziLNnxuSaL0vJQzVvq_L28vTnERQ32daG4OzXBU6bQpPRbgFNhWOLuN.TAGGFlDlzJD6JGkTG10vgaM5823sH07l.Zg48l3BlOtgOOkewENm.6REI6RVfBQlZb41XRrr5CBCXIoY17xMSMru235bwIFtq.sBhQfAuWkki2HjiRTtnQ_dQivZ15HuuVui3ceTBNuld_0qlhyd9WnAFGv4V7a.5hr9Y82si2dkSdYpYqGbTQ.PMut91ATeVgsE2kk1yg2y312TL8iqKrYbLmK6HbZZn6voKA4Qe6IK5WX_vNpNLCojXLGSbdUYWlZc4LA4mX3M_DQ5zwxCmaXN9It3kXPhOuS2m.7nwqiuPAZOxuU.qD.YpvSbPaopujgXW1OZgvkIYLxBsQw_pw.5De33gElMw4qfLta_jEwk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb2dadde48c553';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\/5684219073?__cf_chl_rt_tk=.3h8RxEix4.nEFDHC0X21b3LgoT6JNZi4YRyfE_vE8s-1739180853-1.0.1.1-Sg5yF9XG74FpZ_pc5j752Dm9YhzVtyS7sGoaJn4m6AY" + 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