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-171972811323.mit-edu.top/post/2074839516

  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-171972811323.mit-edu.top",cType: 'managed',cRay: '91104c9e6f4b3879',cH: 'wBdbDk.FtMvIBjMewAz6KjaK_ctsuL6S15WCCdZThJo-1739402321-1.2.1.1-7b1MSZDcMHascWy.sOhUmCEPFTtdOJTSEOLbNMiEqGi6g7UmV0hy6UUIvmMa_0HB',cUPMDTk: "\/post\/2074839516?__cf_chl_tk=8EYv_SoyuErcLkU9T8_9iyAUvDlxVUkmUpFSnBBcGhE-1739402321-1.0.1.1-kTkVr31FkLr7q7xCYY1sz359jOZwym8SFjymgls_Z9g",cFPWv: 'b',cITimeS: '1739402321',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2074839516?__cf_chl_f_tk=8EYv_SoyuErcLkU9T8_9iyAUvDlxVUkmUpFSnBBcGhE-1739402321-1.0.1.1-kTkVr31FkLr7q7xCYY1sz359jOZwym8SFjymgls_Z9g",md: "p6LWJnOGdbqNQk7iolv_8b4G7MaRkXtChpynPAooCBc-1739402321-1.2.1.1-092XfIUxyLjjr6P5rudgUv.h8ej.dl31XChrH5y_x1Wxgq0XMTIYwWaVVdyNmwKLyhAH01ACgRVYQUNUKrAjm8bqvSgGMoN_hNfmtZd2tWv.2Dx7zLqwQgyYmMVdOAOqLWsCxaXJpRadmT5GYDeOGhvYmNVEFxJ_jgIpA64V8p6nAJmgLtsiegBibNmfTT28K_cWvDk.Oj8PPqayW4CClKN4yM15RnmMFsO2p7m4rHwFndVqunoXCQjI6wUu.zTYjab1aNLirGC6RZ_ocWLaXXPkwnfJ3E0QkAPU0udJTJaqLx6bVLeEqiI2p9yPrjOmvdIMKRTsSXaLb6gOWzDRfkRLTV7ySZY936KD6J7bYDeuOiux6k6EvUugP5b2dW9cdaI9v.xW2r9bj0ltUYtuVilh898HBgfacVymRcTMAdIBsSrjLhumiL_ORdmfWl12BrPAXZ1UQrrzSWexo7BZR5j2vHWmC4n1lVMt8gsL2Z_SJANsHIU9BvBv_4OUCBET1OIZwfW3.uv5800n8hpIujvVkKY_RfRhReOD8hzlF44lNr0B44.BG_SzsgBMkzorlBVfcOdch3RzwYR5tml7b8O.ZqSlb8Cauq1pQo1gD8cKDLNHhvkk3YPSP1YTKibKwXS9vrFicyX.pdwRxtSf5FIMfgDtJ6h8sO_0FoCDl8xsxKfpse3TClm3fSXiyBY7h9Y4ZkRC34IlzJ_82bL.Rshbe7luRdNI5qMoA5teCihG4xhMmUBrsLA8AiMqnEy0kq_44pHGJ5dc77Z48Yd.rx8uPxgRM15FNMp6tmoV0eELuHIX6rk5.fXVtLpnv_ctnyY0oY5ARnSf6eb_tuUP8D5Dht2p5yz4JCCNcRlNu4YfoKNrtGQBgmbcDMJ9iyXaLBUbtbsQNstxySfqBCY_aZSxRLGyAfDYnQwWRw4qTH5FtHlbchEC1QTFCj.MbrBdE5imvVh0.mMBf9ltcTmEL7B.xMpG3l.HHzcNnDjim.Ani6pwV3dZ2njpgmVl9a1mcfRd74hjbrrUOrIeGnxXi9iT3nKrX2glbJyRzFZicrfEZvC8lsBF1GM.CsYgUx2NOQdxQfAME_z3hcQnoUz9nrWAIQnGwwa71Q36yMyLadCGdIcO4GHK3FPDl2tczF7WY42J48KFfBio9PUerRjuNYiEFpUxUswIlo9PbVSJLgFISURF841ZbGDgU9e.i83D6oqjKNq_hsL79TX9YGEED.WLNBH3TqakKzw0tuZHOFxAyeBRDktHVNzWtqO0zVaxzQGuk3cG2lvPh__xVh6c8Kjfyp9QCjWPRckZFZFOhZ..oOf4gHFfPQ9PuOHOVY9dpTIbj48mocc8gLPhBEjk_Q3Jk0jVXAElgbjkcOEaqgHQWcNK6BNacRilW4i.dAhQVugnCq6KGPDZqCn3U6Q..MvwFtXOXbc6d4h9sKtNfC.OKe.9wdegox6aeayFc4dMN51grd_Y8Za1QyIAKLdsEMh20AF7JS8Ca8kgLecEILJx8Z3IfGH6VI9rTqlXlMlGG5930mkCKqM6DuVpUvmFe8SZ8L4GIx5Vcxj4W_Z.uR1yiIgJqIZiP1rFFvpkyfYcWT2ezStEP9yaQq16jU1u6wO7WzHFPtlqT4nrznOlGGjc6TPBUPwclbcWdg88X6CGjBfweLRpem9yb8PcjXMOT52RgKsCQpbtC8XkII2t.Y3tMoYboR_uKUj2aSPySRPguGlBXDZsFqpyVYQcoCc8mrPUqcHEt_yzvqJRj1muSnZ3NrMrChjjkNzc5Ms_PDT3HiSMg73s2A1eR8u0vdKof.qjj_VpG.PrKQRjZnrhx7jaD9s7_o73sBwaZceivVR5LWN3SvBMAJMy1cLyISVfWzH9aOvcBENNSO6rEsFgzCYI295fvdWzTNCAvGSac4FrABNP8ulcNQQuXLQb3_CgsQ.18zq9_NEZCM5gy2Ttw0X9ljRxBSLNa7OAGF5G1DtBA7InmNGQw6WDBPp.2L1fO.wDUsmNKuj7JEYYrp1tgK5bMeQw1WYEmW8c_xH8PAUePntc.C7eH71n.OU5ID63vzQ6acKugOqIJVtLjFK4ItoHyp1SQCHqrdzVbH8FBsNcrlNrKHbGyL6wGRKd1qt7ULHTM4mJFFJJaktOoyEWv58_mjolF5Jfh9bia2SMO1kIJw5YwVXceHgAJPpqKwSwUoDxh7bsVEB7pGRf.koO0JnpYw7dsEYWKVSchdchuWMh",mdrd: "llUfyo45q8UN3Ou6tFViqQGkMTlpQfnTrgk8fD9Gum8-1739402321-1.2.1.1-f2Xd2E7NF3gYTFROCG.IsfDMStfpMr5ldFdSL9kYV010oYVPzCBxoeFBg6SBcb9YUwrfm9CUjCt.g3rMmiRYkPxVbmHS._QeY_RLyQ1LVZZFVwn1rErwuJaO6k2IA_RbYcDZoaHBrJRwPPhaHzwgLAOdjge7Jb0kD4ptK.cGPoyCANgPKPh6KVryHbuNdzIateFMqE_ULPXjY7OTcNw2swuE_sa2Ylsm_rdMpIQRaeJJNntRYARmNg7cQiTMoO3SSDLRIa2MwXLwj81KI6k1ePTl0V.t6fy.H1NH9YvjOu8OuV6rbg25rVOynzF5PVvivh1N2uuiKCLpEPigOmSi28BSaU396PrABmygo3JRL5hA20aKZr6xE4NIDV.PfCDISk7X1WF3J33DY30MBlBmdRHDiD8EchFn411Rr38q.sgyXyoYJJnbxSQAyUKk1A1.EGbnx8cGecSlRBwscnBeYpIzuXwC5AmwA0R8L4jLdWWCbYNbsp_dGVkcBxW5V7YxLIC18S63OqZOXYsveDjxkxjc4plvb4hGQAhSpywQUKNhlMZutU7rDCoGSggmBXsXPS3aP4xLKpepBQmmvMUDOPJcWDeASbTupUBcUmoTDYJKypYCIOzxkfXucQKq8toqiOZ0sPh5JkVzczsi2jmTRcwLRP9IE1a7btrpYWTAW4uhGMzXYLEI2QcuKKQgF96.OBV1vfi98_rTEmEsGhUFng5yMyQjzE8SGyxKPK4STBnbQRAIz2yiuRwOOmkclhCW4AYj3xLgWjYq7MXYSMIYgLkoZUB3I8LHL1xXlBYShPFfGSs_8mY4UHCEfzP5MRP52qlxHUDgHJLOCV3EREGmlT_bSTypTm0QnBwO2EuCHIx8KNFb4YCKzb3WCyLAej6rn.ILfipNHsPe.c3TrmJvgbm0ifgmRdwZ_kmOaD9glwSrle3ITVXTCQu3PemAqpac.Cj6YFLq28azpvum765OXReNZaqm2PIL6hwdTjfZxXh0kYwe5EHrO4saeM4GZi_fLImTRAYrqFKcVEYUlB3tkWinSbxIv7KaJrJ22nWE0wv2k1h36oPap4Wh_9TwzBcE7deCo_paSsOwxksxQVwko1YBt69uio0BidrHGamxuJ9UzZVZGpHhbnOySlCJcwbAtwtqbjshqkcsGcpPXxT3RZ9BE7bqM7h6K_.urOedIrnioekCbQ1GryLY4z41XQlQ4W6sv3hyOg5YvFgUPcKel3Clk1rMqsA_m6VBPnS6SH_MFy0J5GjgYxv4szdJWluu64SLz_rRiPPsDKcqh0W37sCP0X25mz9Bgt9VLkr.mjAu0RR1vCygV.rlX32wMUh5vasXF8.xbdYQ_UoPwb8HctZPGDA485pFDIeW2tM5CJrXofyEFV2lj2y6q5Y01pJduVyB5OkDMvhPHS3RcZZkrKI7MpZohBopDGDFzr6lhBUipA__rKw1sA52XOesonKLoeq6VlJNT2wPTCCf7aeorkz8WvSVzba9WFvSIHfWAJITh2VEpDldXle.dOsbIJHu13lO.Lu3CkyLqoUx6TbH3fASV6GmpHpmFMZAUXWaQ9SjlDe_.MYYpGEMsGnsIfDJoyobjU4aib03T_jp2UeAnwxi2EP6tZSerRp.c4kQY2pakujOR03piiUhQuWHf26xgD6Wzy7EUoXwro9Cfl5j.66Zt7GHMDDXLvTyNroX8P0xlw2wIqk1pSgotFQTwQMPRsryMhppAV447Q2JTRgI9YCs3ox8wqBGArIUmnolQut64oYlxNsHomRMruyO12N9Oh4Fj2MpDW8hp3ibWNvrrg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104c9e6f4b3879';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\/2074839516?__cf_chl_rt_tk=8EYv_SoyuErcLkU9T8_9iyAUvDlxVUkmUpFSnBBcGhE-1739402321-1.0.1.1-kTkVr31FkLr7q7xCYY1sz359jOZwym8SFjymgls_Z9g" + 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