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-affprqmxe.mit-edu.top/post/1897230546

  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-affprqmxe.mit-edu.top",cType: 'managed',cRay: '90f17248ec3007e4',cH: 'BlUMPD5Ke121tx51lgR10_gTFWEcHMadH77VQ6PHu2Q-1739078805-1.2.1.1-480rsU6i_3byeRBbqrolN92YWfYM1nvQau.BnKGA7WV5XGRcQQxSmu99fVrwymD0',cUPMDTk: "\/post\/1897230546?__cf_chl_tk=37HByEAGh_wNlGftizgMLenG4gZE6OzCOphTOE8nDQY-1739078805-1.0.1.1-.f7mqPl.bZQGd7F89NjStlGJNNKp7Al8DFqHaM81O2A",cFPWv: 'g',cITimeS: '1739078805',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1897230546?__cf_chl_f_tk=37HByEAGh_wNlGftizgMLenG4gZE6OzCOphTOE8nDQY-1739078805-1.0.1.1-.f7mqPl.bZQGd7F89NjStlGJNNKp7Al8DFqHaM81O2A",md: "eLyhJBAKYcv0qu1xLvsRXoBj7cBPB0vaktUyeEz77Hc-1739078805-1.2.1.1-2UNVVbwYBxCUx02DhbLdvjLRmP4MC83UerXy4CLJWCmUNzpyqxt3O.V87MzJjaaDIMhsr6S0Nq5z9T4Z83BbPFB7.h.zs0WAzA3jL7whwARYeSsU_qfFQi4SY6dXeV40TREhwFwrNwJmz5YJvr_oApziY_fIPP5N3ywNKGd5GeRpkFfFOnIWcwRpWSAYwEAxYjdJKcJilMp9FuQqHH6KYcFebfdo3Xb78KT0b7HRBxJIAxRZ3VHC_v4uMjZD7WKo7b2k1kT2CNu3V.tlhjf6YreyRllCrJJLqbWn2VzJoeBLeU78ywvjc5G8jlRLRXOalye8HfczNSNqJY7fXpbQZhrtNNTCzEwj1vK8K6mHvCfd0ZPm4WMCiXxrwF6IHXXeG0Z7EKaC1x7XFNzDls5cP.VGSZ2ihT1HAaHwA4AZMxUMTTGjzAizlQjH_DNtOD9u9iT6p8oxz.mpeWMkt7V5eSb6ecWL6DtBGNIxRFULxYbqe7Ti0hGcQofN4lnbj1glwxuogaFt9ZIHrqHMdZxroopyyrKJnm_vWcK0y1NeuqcyydsysGP5MUtvviVwpBfqafdsyAsegQIFn54lu2kwT45og2MlhoMtQk0TKI_E5jzX6i3yfopTbheq5ahMBdju1g51tIdcAiKe2SpDCLbnBR4i_rN7xocSJAAlbskpqOJgGqzq_GybCOhgmPOhRZyskatR.ClYiA1nJ6wqRZhx5Px99U61rHPsbChd_c4f5LWTAhp3rhQ3vgKL9iM.HeAbVXzflBdOaEOhGIPMrV67CmRgOhWQ3UcLUC90_45GyC8qLS44eLQOUs0qGBu0D6abyvoACdJ.lMQSLQ7XrOMOrncXXSP4tgwfNFuHq_6DSY1Zjr2qUiU.EvWlI.UVI.WpMZAN3NkDynkMC.lOB8sTprASym_QcvfOduvaBAnCSuEzVrOlScqi5Q4F1Df1dNo4SJAgl.OA0T3O1UApFW1zdCKxvy05qBX7kzLGWLR4MpkyX8FfH9Tcn19lh1hUgXKM1TVGIEY5Ve7m8gbmDwWVe4wramqvVYnTKxuVMmsoOxiYPJvGYiTQO1dja8eyORal5Kj4NVTomuG5_4oklzcchCzSckKqC3_8S7zcrnAaHZo3zzoF17A9eS.702Vh9xyKN2GJDDonvNuBNCa2bjNzBclXQG1bUtXtDe6c1l9K2TGklpS1ajsFYKTTV.ZDS0eJefNLU0gL.LWrpBBiRGFtRQVGBS17G5tiZpfy9nvapowBwU6uBhSUrrc.QfO7D5Y1UnuNZDRGBr.rJD8lVoZOCL6hbUqAYTUGcsT7TnI1UoW9RtkP3fVP2ieGsoSfSxGDP1ytR1heAfIrAvcuv.IFjb.hx5fjYOsBp7ndioYh1he2LkCc7LW0EL5YRh9t_7TudcA8.05OH0CUSXxF98ssXXEn9XCwPVAbNwWZreIx0UNZA.mn383HuX97Mlm6ibAlyqVEO9kQaCp95vFt4.Bd.H8TFq9_nUxb1djWUBsHPof8khZR5HkNzSgOesYJ7tRw2Ghq8YcjeXUnFfxdHStTu.HBStVgkhDEXCPvXWYVuzVIWBpYPoyAGRlSO8gRQMltOn1m7xMWk38pIld67DlXxntPaC6.X8b0bXfG10Evc9nxkYXZttmLadH5W7pRM3_gu79xGPe2OQKjrfC4BstQvKrvr8quT0nhUA97.ev4TRv0VTJxB7wYSRW..claGrcX5jDr_pLSPHuioCYyxhLYeZMYlR5.W.BQ5PcHAJ.7redljGmmYAp.ZnOVveGhk8aFvUoTLZljJlwd36yy3j4dkSCg3XbKxnCJSaBujp2slMqNri.TrZlajkVQuF21_Ctqbc7gYjrqnenz2w_8iNy6032wcmknRxYe0nj5dCoFyd64GN2.gcDuXysr3JBGdGMiBZSCdSTXZf6dZi7ZUocBlL4WyN0I_CHTow.Lb6CiP3GVy7wNWs.9LnN6IMQ1K.WhVNrmKSclc1jpucVdGxRMPFcabj4oQkkHheYmiYzPFK7qRYgj_dhOBCuzfPVAKNnqOtQot8VMmAnpxpBbSfE9V5_HfL1GtfbsHy4onLXJG9eA59yjlTC62GHHLmBz6SthpZlnrBz8miPe10kN6ed5j8OyT.Hpr81FI14CivRnELleuu0xtdOmz4eBLRb2N6d5SeD1ktCTdFlo.oqnOM7PqCluYePyCNIraYsC68Ctns1yoQtwPshsZL17s0h_BbXc",mdrd: "7ACopLy75R92fHhuFztCOwQ1tgfO6uu.D1BtEv_wST4-1739078805-1.2.1.1-e10xhQroofAh4_DmLBogJcWcfPF7YF0qBIjMwxD3SyJaqoh5DcYaJ8oLnRj3cukCdhRHcsWv7iCFq1r7bxk7kazrQUdT5_poTIYhM4f3n401W7r4SYvgLOAggUyw.qwCFTrzebk8WwK9sch0X5oh2RoM_FOfqw0KKsooWt2EtiuEu_K7yZYG8AJBfeMTPEaihK30WnxcGIJX.b2EGEhnEW50KhjiFZYf77AUdzSVFXs03CpzKXtP6bSHIG5uJc7LJ5mperiOYA3nuvtoLETwsDb1LzgUEM9TlktlIxD0q6OmJ7umnz4UMPZ4QdwsKX5L9pk8vd9GdWAjE01aVWXpF6v_eard996jsg9gLojNrgB550H9Sov_Ysq.kikzThIRGAtYW_tYFF5oMju3AZZYCZJfLUJqlM29CEDjUaQ7larZQL1ig10R8yiB.nnyzKOEhBv5WBgcgY647ywedKEJ6TqrAww6OxcsMz6laouEAuD5wcaAn5DVnboDVNprBXvdppZGfnGe8IIzrLtTgc.Pv8aG_XakLlcZZUTlSNePz7FL7hHuoe.CG2SeuuQJBvmyg1w7Kc9e0Iy460p_EJlmaqOiYqOc.0m4hGsNEjGxc9RDTkz6K2Op.yTc1537QREUQg2tFruj.NqiXIJgY5USm43mKYZijCfyzPgN6Y_T1sZfEmj8co0nAl9uMWYxi_YMJJdEr9khqwm.ukke9cQxog0r_1CpW9Hnd.pTs8AftW8ZqGPvJudhie.aXh2BtbQyScgaWwlscQ1mAYXhZO_cGgXwrZwUmFMnsmBU0SQ_YUTL1aO1yyRuKHwBu.WKyrnny1f2mkqINFx6op68uEpBYXU5SnBC1BquGfCor4fQJExg787aDH1v3aZDiV.EwLPgvhFIl7dzN3PIJksQhPVqBwH82NOJVJtEc_po1YdF4f70kSiJBs9q6jKOVAy_tB4EgQOuPpCbXhCkJcHvnf7FqiQOfl9pQYpowos.0hNUGao_1Lx.JMkOn3qeNxSy.gDzM6WfoUm_w1Cf3mRGuyPDukK1aXCAzui.5tZOo5Haz6NOhGMsHiyptZACsQfXDSde38K5nQdUBbscaoeimrT78YIF7ktxacLghvM_.IED2LdI9TS5vq6BWrZ2DwuAxpOnHF7JeMdPVGAwxDfIzpng_q6xBSyFubQd6Qh552pR8A.C_gweLJ3RHU8SVyiKOhLOSbefAyVcxAb9iF2T0kyW15TYzyb09ayXIoIxIZBm5AghfH.2mDrdYc463oiJNItNYQqZGSLT4pBWzO9Uvr6klXetZk7CjsJMbcO7VnxFMB8iXnARAIW0YPw.PfLNypRFxJcidCDLIHDNGPCafU_l64C4tGnKyFMXnD2XrU8hoCcKjm1brMfwQjzhjn8Oh7ST7nVSP1YSE76U0.0c9bkECSd_mRcFXU.l1VjAzq5I4mea_B8b4JHg24M9GEVjdIYit4TkShegf4XP9vw4JGQW_MP7AQUU7qwACq918FGlzb_VJeJbulyZJ22bmVnCIs.j_4EFDbJRgnLoeiieU7zP0PL1RU2NbqreksW26rKhl95hKNh2hywS6qDXCdbJTkcJrYOAaCdsRwQPxTIC.FOs6Y5fVRdnPWIxlfUBwxL03FTSvv0LyeKvs_le4Pyve2u.Ok7Bwe5GL9kawWBRDHaHLYD2z6rhuOK0BR9deI1EqB3sseyCzmipMP3Hhzh3hTmE7G3gWfWbuwXS6uzsTggZLBDX8JHTa3T1Os3JOqw_ICGveZaf0tjfy0s_v273iWTeRNHk4pU9SVniblfTvP3F8A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f17248ec3007e4';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\/1897230546?__cf_chl_rt_tk=37HByEAGh_wNlGftizgMLenG4gZE6OzCOphTOE8nDQY-1739078805-1.0.1.1-.f7mqPl.bZQGd7F89NjStlGJNNKp7Al8DFqHaM81O2A" + 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