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-108056288255.mit-edu.top/post/1485960372

  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-108056288255.mit-edu.top",cType: 'managed',cRay: '910f68cabeeb17b8',cH: 'nkbUvcq7W_TUSj_tPmbAVMPM6j0zhY_WAVbmfSIZR.Y-1739392989-1.2.1.1-7fmBlFTteDmc2EpBqJm_Pr74lhEegQrEb3a7Hk7rk.SLqMH3toDw39EAU_ZhG9wz',cUPMDTk: "\/post\/1485960372?__cf_chl_tk=JW_iawzwxv2ZL2qn_XCSLg7d3LG4S1l4LnYuR4cqGjo-1739392989-1.0.1.1-m1HX0po.RnK7PtkAkYRr7D_fuokmwwWcplMyXe2G.1Y",cFPWv: 'b',cITimeS: '1739392989',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1485960372?__cf_chl_f_tk=JW_iawzwxv2ZL2qn_XCSLg7d3LG4S1l4LnYuR4cqGjo-1739392989-1.0.1.1-m1HX0po.RnK7PtkAkYRr7D_fuokmwwWcplMyXe2G.1Y",md: ".VZIqE6DKHuT3xAmjO9p4nL8TgkKP.F4B9BIl.JRMKc-1739392989-1.2.1.1-qjXEfEa1o2.jL6QSaw590oe05hXFIYpEGNc_TrmaPouxamrsbD_5lLwT_ggabhzO0ZzutQ7QrYdtlJvVIIaGiEpMZVje24ueLVjuzKZOY9KZMa8wxWQvDVWJvDt5BWgr73Ae.6ku87hjfd7vPQnjrPWiuN_cXPGQ4DaSubAD843iWfTTjKwh3mXhE3V0wAkOiZxfzMcGFsFxE1KstU4UE3Mz09lToVGUJA2xB3QS_tv0QFu3E3evD9B2E0PYCBSww3Ks5KtIjv_DrGfRvfFWNpMHzUSZqFojgXh3feseoZaeMlO1Ct2M1nEzdUjcUIM2OPTuiOZ3Od3Wb7NIUrlqrQaS9e2hKyyy0ngotYFIqV1gLRH61BWGwaKHZ..iGUzhN4Jsrqi3BzYqwvU3Rt3nIZivu32juwyh08HG6NcTAjtKHLwiJbh_1X.XSaJBX.zkRvhAtZkwH1lT0AsrcwbwfpPbnhQRUySFd6nmd7SIT_J0vMLJ0wFUHMl5zioTX3tDo1G1jpGWy7SJ_flHDp0XHTNvRSOYU_5ByGWwfwuNeXVHaRixUtA7QQ4NhjkyOjR1dSdW2Ti.7UzFrIewwcw4IKuKN1l2cT7vjYHIb1hNvR8M1Qb1OsNj.WZHeaWWm3_y1B4o18C7wsvjNNSFi5GsqbDSIceh0oR.Ln.RcyCYngLUVXMKLul6bKTQW8kqcEvj8r0iWcSHWXlJX5V.DkI8AZ2AmedLp6ckOtnqhkRzxlDICVWUMphsQNN_ENAR7J63dS95Jj1V7KzZor6YV8TVQ6L4aRwTaPFFhd5AIxrbj7UpYF0TYvySu9YhCuHzuuZvuVyUU0ZbjUhZOGN9cTOFBinp6qQWkIo48sXl5ir.9OkXhMyCVu1inkeQS.vj3AzJviZEMbwzCCyNc.uVuSwkyJofRZp9rg9t7Ja.KDpV5ffqWEz_vnHUNDDs0vhzYMUc6.SXpfQDLRJWwxMI4ObnqyD3w99fIdBR.g.NbeLoW13W5Uma5f4Y4foLZ6VaWJpSkU3Df7ZGz2nqDBgoWvdILib21_avTcgzRaN3I9vzz86Xyf4f36hXQMS5UHecfcjaZic_Bji._BKzBGrn.o68TXN8jLzC8KOoB2QHOWLdnuS9Btm5cFRIhf2e_a9N6kVHypcsic27DdZ_i6TAqgUtVdTjL4jHlUEPLhVCIIxZgA.Axw2WqCfWFkePKkxQ49qzsp07S8dLJ28XVP8FpyGaugSBqlgpFid6lEf1szjrGBuWbdOOJesD8A4gKZfL5g5bpdUo_QzdmMlj7AiZPeu.SCWVdnTG9En.PMSBj.Mi.zf_cV0G3HCD5IaY9JAUkm5vECl99iymrIzzekRokx6u4GQBd6lMvjNlofSLtm0GmgceyVQS13DVMdvU8soK0XoKYMTAYlkxT5z8Xt_xn7JDvYC9WVNw9VHuj..TnYmhpEdmSDObofSieutyZYa7hvlbtduwNuABCfU364oLPEWsbz_reRKCc6FEQRnGmq4O0v8VN9HQHwOsZr5WMbSO0Qc3lF5O1whkMOe_d5RWeo0_YtUc_DAvivwwunkjRLLy57DP2Z_qHNT2lBXfrjNgqpvV50S9WaLhVNtf.8JcG.94fzDGjt0T782NdPvnzbg9AdBpjj34g8jMLLfQkrM1rZ1nA47Kg4P0v_mkHYYDANZBFyPAbMDlWsqvqC0A7VgswIskbtrmnp6NacDM_GiJpXj_Q91IyTWmBFH.F3YFG7LkOA.OOnrL3xOEveIOKxNS25VleHJBCnko_X4TZ2MI0KRJjfmNZc9GUIhe79eZd3s7UcUDSWmfuDLyZTP11Dzf96p0VI65U1lnrKPrx8kAtvKtIqPSYG5toGOAK2jk6lC0r9HjueAgtpVOT0qE63J8dJi6t49e8k4FL7BEaxKtBCJz1zM9FFEv5Dfw2yNDGfw1lmI49U4k0JhP0bYFQz8sitCm7E9GWkhoq1vz09nUmCEA3e1eRb_Yrj9PTGqxBf_zQXTpF7wLyxXeW5bNmgLJeop7y7OK3QBYuJxlrJ6UFli7b_UjLkwCiyY17YrnEL8IpXI_XpG8EF625B.7QY1g.Ds6vDsQC1CFWdV_qc6URQYgwgFLQD.mKJJCJqgun0dXHAbYlEEmuL5tM00CNEw7VHtRRx40ghVCVfjkb345XnZCoVorVrNXIeCSWY.pAgsTzCHD0sRUL9s.Q2NHUq09qcQyC5fATJZ2VEUPbMPhipKs",mdrd: "f0qnInkVDWX2GbSrC2ko7f5fDfmyHjMpsAVs2m3YxJw-1739392989-1.2.1.1-ooat5Wl38gVoTUDIl9QzYlW_WikgfuTrzFysj6zLarHIbnaoab8CSNuEJy7jCEvCN8b92XkxrSz6S4Yt5VSiNCmQZJV9ptDZ8fif900QDb933_ejXgUJKdESUmG.cmRdRt4X2B_wL_mdrxkXgddolywscFSz9bz.yZ0zHMQPazFgNAJ85d1SWegcuEnGFK51Pp6irjE_sqdvFFUiZ3a8Bk7dMJgvnin8BK1p43v4Nufxgj3P_quD9WolhjYZJDGavGF0pX9fcxrHWIxT.GW9UMZjPyKukx05.dLsj6Te_kjiswS1OOKy7A9074GByZornavKh01Swpmy7l1_ih2gbtY6NyDB4wb3g9i2SSXSksmaF_c51AXAzSHdfX3X_nZH4GfybZk8u9_H5oS0KyrG6KrIKymSZejRpD1IBrW1m4n2N5.JfKnR4Ao9obxYyna6lawAB9TSImRaUYZz3tVopt1M0ShMTGKY6YwP4SEV6SMqi9_4VLg9.HRY5TZENzzbcTkQIXq7yUNAFStNEat.MLm2M2PGwbW9O_yxeIOZordJNABpYVOYZ3AOrdM0C4Y5yJOOSQzhOJUcGww4yr4Ntgzsb9aEpgorgehdWYXvYp0KyYXHmiXy.bXLRKzbPMZU6aDXctK0gKlFR_bGlmKuBgAZI.Gh8zG490b6.SRoQN31L2nI1HxMHl2BN5okcSg.8ajDJrW5G9mDpWO50RLwVx89fa_2micnEVW_UJH8dKD38Sm0J033RcmTLj5uAZxuqseqCtVQ.TFZkGnzAqdhteIg2wUy9lQ_moTO3AMOS1o9XyNwbRh1S_CtECgW1P9aw3c5TBTMgFKUMO8vkCwnCy00BeIXB0hGqzFqfG8sbnc87umW6IirBv7aLSpGKBy.OgN2Df87.I0g0apGV2FbW3gejNCGFwrhEnagq4KHCtYaVC.mfBUTEbETOj6EG1AQmDs915UhYSSATlTAq8m1zAHVDYjZn0jQJpcdv.mo9DFfhN78XHX8YDAnXwFrLj7LBoZQ61BxyD1hP7HOU4MPkvT.s.6EYN0qlPfNx4KvExEBuKniUgqUdzNIX8Uxe1jgQAGD2vn7CSz0Q8jn8tXTpOFkdshSUcnTA5pPyj2Fi.lJqI0UXnc_J4DVz0hGk7kS9wDK6EVbi4pOIuEaEagLijfJHKP4SOB4uxun4hBN.kQawd1_hao.iWdAALKHTwz0C32xLUb7GihItPXzBtOZiiRAXe86TBpqzrtMcrGi9B5n71sQY2o05yQpDYqwv.w.B.NjWU..ABmnrD2x3HExaSGRhmSfa13Ek2cJjnBVp6OEaOvs1tAK29U8G8QioJOZnEYfeXZaOf6.HakAGP7taVoCtAbw0EpntZa0DTr9.fh6aMVgW6F5Y45h.EuCyGp73cV322AfFindgCDPliUK3n5eZyvRCKabX0DFopLVvvw7pVEkslmdRvLMxwZi_h5ugBCDpLla6SInB3B8QXsGRUXm_xWit_Y02tZ04z2rndfUG4Lt6eCv4Eni781ejSPY0cCOFOiEXpWg_WfEtfn8R0MyDccVBuZ8bK77a9JALVZ3CljFIcJMOzmsd0dZ74D0jxJymIPdNAv2iQ4432PwfeRTjhIGnLXrv2r3S1bfOgTWJcTgjv5NHDRInwOognwvNpJsTpBsBT2g6Spqvi3wCUBEb1JS5USjoScjekNx_BRP01EWpphXZEpHDo9XzwgTlsND5Pi4DZRQ.FdJWqNmLjyqz5c3391HY1xg88Fa.H7RkVdBApxXlIfU_3g6PrDWMpQ1C_PEO8bI7MBO9uEaoWGSx4h63rS92aj7aw3skKY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f68cabeeb17b8';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\/1485960372?__cf_chl_rt_tk=JW_iawzwxv2ZL2qn_XCSLg7d3LG4S1l4LnYuR4cqGjo-1739392989-1.0.1.1-m1HX0po.RnK7PtkAkYRr7D_fuokmwwWcplMyXe2G.1Y" + 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