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-aff3o9dpk.mit-edu.top/post/8275601493

  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-aff3o9dpk.mit-edu.top",cType: 'managed',cRay: '90f3b1729aa8c981',cH: 'mKhFyU9tvCHBNqIzkwPpwmE0YLOGybPXy64QAnyD8vY-1739102364-1.2.1.1-xnY55Q6krdyhKI.u8_QEIRl8sdwZGyRcUn6QOP.VmctUyx6g8L8cRmlmwfRDkJyh',cUPMDTk: "\/post\/8275601493?__cf_chl_tk=afU6LpUcQQsXPTTIa1r.Z0c01ofbY29uicM92B9y6gY-1739102364-1.0.1.1-OevweYclppxdA6ULsAAI_yCmzQECqYGDnohmZdLOK9s",cFPWv: 'g',cITimeS: '1739102364',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8275601493?__cf_chl_f_tk=afU6LpUcQQsXPTTIa1r.Z0c01ofbY29uicM92B9y6gY-1739102364-1.0.1.1-OevweYclppxdA6ULsAAI_yCmzQECqYGDnohmZdLOK9s",md: "Byt9OMbRgMGzuQ2BpdfBaDAtU05MEas0umsNJUltvS8-1739102364-1.2.1.1-EhSo0KFVaCLlCgCmo38n8buyfceduHEymd8ymmpNW1IqUMU0osglE2tz1a6GctBB36nouFgBitWnhZ9qYRjbkPCDLBFy0PqBnxySGcmBDWN5ZEeOtJ4rnjohV36791v_DsmnQvv52JC8HCGWhn6fiyiwTnL3ezgWugeYjKsrpBhjmyJbMCjWP6IYI185Urdtfyat5kqHE1JN3Q5e567IAZgleVdN8uaSSwbgtt4kbzSSGlnnpSbiAYJoBbr5uKdGvU19qLkHOl7OBtPDlsireVJlBY9bkcVXPwMG0MPZrItrY28Y4RUThWJRKRVdiWrXT4tveROWF7OX.U61aDpaVluPaq2TLXuGiRjerlBkjhX9Bjx56Opzm6QzyTQhP9lWayFHuQkZY6sdxhJ59FwZ8xNVshWp3.7JUqKO_MguVX_DFuvIsQladOK6S120_lJPjGm1Wj1dqflyqjNXcpkdGqvyOOAYBvfD0gUP3aXgcVnwO_7v9I8FaDoJpdp46gjaAHkP.WfXDm.K4F8MV_b1j.vEGkAYBqcqGJJnm0ydmZHW8lGCl6YTT9YK.EbcW5yknHgeiWzmTKsj2JD3jwXMiVyjAUSLyJxgSPqui5FNY9gxJJgNEg6kghYpB83kpJe2nZDpctqnPOZIGGHEMxlXQqxp8yy193o66eLP8LgfiqQ3nlepwBl0P2WhUde.NrMkW7on0Ox0Wpd1u59MPWh8AxD1ZVF5dxXC9ZVan1yHFhQkOJUbIa3F8DhQgGCyP9JG9lZwfe8n3UIcKrgkjEQ29j9ZHyhcyd.hZlHvj7C.6LkR129xzIKYr2Z0ONoB5yP81_wPmTjtaLIlRkyqM0ebglmccf8c5LrhMiqIuqq6Mtr22Y0zwZmcPOr8TcIxaQQWUsPIPNhC.i8oYtoCBj7gaQRBNr2TmZ2N6ltlAiT_nAhmr4at47lRwB7Lhm.PZUjEyv4MRtxugVlhlySAcSoM8aRsuSdGrYDPAq2m1w2yBnRKVclTeRsU7wGJkW.PUYnN54VI_lzmgVkM7IeJO.ourDcJxFb0ALt7KI3uGTmdpu1wRxTWh8kNXWUkQF_zAAVB8GImtox6bpPVsHt4t79lbgLZ7bWn0Tf60dSeC3JFniwtFtF9c6CeJqJXtGoIOTPDSw2IGxYWmcWxc3rsiM2_c9zAtV4bH2t2txlT2Rizl5XNokTB9fahnw2pCN6SMZN1hDm54jy2x58mrJzfOFUvJwxJBbSYNum_LyLrzMY4jNEluRYsX6p1d97XIQZbTcCe7f65xjV0V3wHYZEqR8TX.g0nY23UjPjqXnczn64WqEnWXb.eTB4bPh0_1Q7CLAiqETLIxUXkQPksbLnFuuPb.hU4i82jvYiQw69fq4u2.Ao6fHtXrbDlAt0kGEC8YLzCaKURpCQ38s1k4dya2I9OW8.jm7TgMzF.AeAeIZeYEuwLCINCtzZhSFdh4nAvRFqdN2BZMSZOCiTUvgakiAQWLE10kKU5GVF2_Dn7g4pP6G_VY.eGp4CoWbuo_PP1FSmM95sRCs2Xi9scWqEx4DXDRVITdChFPofANBonUsVx3Z0eRyQVI..ogXUh93eh6bbqaX1GCnm442L8GEl4HDgfIg6BPkhToQon7RO50LjwyfQEG5GOLiLEuvN5QOqiXO57F8Bn4WJlmF7NTh8j8g5qsxPiSTsFWoHjypTs1Y9XdFRuG339dacMGBSwHHmhJKig8bgOCJtklCwpdfuFPFukJ6hxqUMdtqoQvCpR0BxOwx1M5gtLpwquEM4DrD5gjwGguQesrhVd3HpDe6.Wd0PcMzxTFcUi0GFvRmsjEf7kgPUk3o9l27IvO9mSJrV1_b.BjPtO5IrYFbvZqSim4KtbuprhM4cGRAiNNetYQ7VcB5.cHDqtTbS6kclWAKE8ENaLzYsGsFcl3SHIh_LWP4Iq2RPpt59E0gLo2B8TVNNOxgDA9_3EU9DHrILebT1yuMrvjfYqAoUIuoUMirbBcF4040Aer184hw1RWLDhMCZszV3CD2R8RFy0gqACccVdYJPErcW7cJ1tqhfH.oK8JPI5IyBxhCOlPGaaHqP6F6ueQri55FTgsQSkeX4nCj_g9VOFHYrpGJxifVDp0LzytEmGEKYhH5_p9P0rA00pMGgbGL44o3IF0sXCAWevMVlyrSTe_IYfyKpfkFOiznKt6OxIvP2HwlqNnUrzSxWgR4teUorLyz3avStro8V_brpYcM6k",mdrd: "VtAU3hqNCC.FnX1NZAH.ZjNeZ8uJog5qiH1PPtqsvXw-1739102364-1.2.1.1-UrE0_Zr00ccwiJW21FwSYO43MNGfUHlNKP9Cdw4QKzJjeqSwNZ3tNYhgwgPtZXdOtRnQZr.5CVY5yFKH6Azmv.mQ6mmlc2o5UxB2GzFto3IfpA3FLFGlkfIsJFmKUzgMUEzRoUaGkFIZdVkPn7wBkpEHcPQlw4Ts0nDc_x7g2tswQUnmCTY7glV4kgG1OWcm_oY7e1Iz5SxRfQsHnWjURPqKNtA.7XYtyAY44q1TB1FchTb9.Ed8A0bbznzHdFKz45GSys2CJAgd.vPiHmKYzcNYXb1nbvhAcx6VpABduNm3thoTJ0LEvy_cQaScRbu.u5iKCmlDHeQS7Tk1n7M4H_ypUsHf.Hs5SeBBkH0LVQwrPSmAJkSjJY9abRlDFOWfLT9GKgNiqHjwWFIs.BwfYFExxQtiJyqnLFA5Yz_5rwRFWYq20EdQstrqjJ.Q00FcxVJu.QJm4rxahrbFnLkIwxM2oTnCr5OWVXF083zPWHjIGfhQvDu7cCq6TH4icFR.b6AVGanQuFoDSAeUeRRiLZxURvzRBLouLc48qtaveWqFpCoQMsbHJfnmvL5TVhKXdYBnvdDrbikF7BHxZKviZjs.OHBGm.VhXU9_lskVL21L3p462bLmHY67Tps5O59apt1V.lSMJ9SeJIJ_lgyV9dW__VuH0.SqJyQLHCc5gjEP42cUDLc6McL_oZKSLapwB7CSl0Igohdr2j0uup_suZUDNn4AXdCiQltp1R34WrHoltvgtqJFbOcQJeXZSTzjMKipsjuc8UVkkM6dd4TLjFXCpXHxyv5FVd6Em1P8GcPoNJi8W4Vn74VI9qTu3HNtgOkVzgKHvUtwtZRm3G3L6BmBoJdcQI26pLpigq1rDwTWZg4v2FwD8HFbR7vEE_IE2MtNmNeOqGkSHSTAway_KcPEVcHFndKudWTvmkFfk9HmQqQiLmPAAPOQpCNzPoKJACVmwD6fVi5gwW5DbhMy8dsMQa9uIiBl2XQCR6spzVZpM3RDTEg5Aa9eLJroi4Hmf5zGX80vzik0N94PP09PsFjN7Ndu06e6UFcZszE2.h5CDkhNKw7J.LhRdBG0tijnK7zzyzu9v6J2IxeSE7kRxlPg3AYX5yE0DXpcu0LWBsIMh5RgDfQIosTkDCJ66xT9gi9UEymh8DO7jL_pU.POEKPdbsmGhD_MuB9i276h5ngUAZbdIX7J9XkIYgTqvkpdOVyqmXWe0n.iyR11pwEVrlRQ9HrCvX73OYIn0VaM_rWdnxrohnXLfWwYhb9zzbGQhtx8LFlGqosA7oC3S3__wAF7zLLO9zoYjDrO6qd_6YipF7VN1RAurPFYjTMw8fEKKWwoKBvvyPP8JwF5fd5uXMlcYxh0I4X1lV2.e5Uk7865FUcBHc5jAMzJ7GTfzQ.3c1sMaToW1vHlR8UTcpBbhcMhWaBiJd9sqoaIpzjoTPz9kXbcuCobAw8jLtPG6bAgSQeh.FdgnUHO0j7wuaIv4lWinNc7fmx3b3GtY52C_mqlZnQSE7kdho2Ogq2iibyTldVCeIODjwf5o7axt5Ctvngul5wOAbQLPRZb.FHUld3BssGsFnqlBlm6y4DpwhB3SMcGcucHytXF2UPZZ2JZsEHUkc1hPo0vQyhp7bawN2PqUJpO6tkoWI2yI_VprJsLEHcGqFZ0KoPR3KslTykjSOCsdlt3.9GaxBmne0LGDaeWhVhcqzgeWQrk28MQDgnBLNprtEgpz0xmjuphKsF4eEIc55UobcogflmfOo8HGFX38Ugyz3.Kx5fz7hyKhd.bzlp.QYm.W3uiwMoXMvH8omK7.Dh2tAjB5TwoS_MAZZA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3b1729aa8c981';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\/8275601493?__cf_chl_rt_tk=afU6LpUcQQsXPTTIa1r.Z0c01ofbY29uicM92B9y6gY-1739102364-1.0.1.1-OevweYclppxdA6ULsAAI_yCmzQECqYGDnohmZdLOK9s" + 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