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-183908863566.mit-edu.top/post/1947260385

  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-183908863566.mit-edu.top",cType: 'managed',cRay: '90f3a7978aa2874e',cH: '6KBoI0YE9vJ9KDk.9HcJTjH3kFgvxV5qiLQ3yy3d5m8-1739101960-1.2.1.1-TAQcTwbrPQ5YVihTmNWaqQWRGxiT8uc6BY5KFfs30PYkZW5mmhuACCFEQ.MgjhCM',cUPMDTk: "\/post\/1947260385?__cf_chl_tk=6Gw.sfrdzs.dAPKzb4PeKaTaiPXLk0ReVoIMH1iJ9MY-1739101960-1.0.1.1-5OLdeERE4XTPyuDlSafRF7EXCSYNJJTfIt1agfabsDQ",cFPWv: 'g',cITimeS: '1739101960',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1947260385?__cf_chl_f_tk=6Gw.sfrdzs.dAPKzb4PeKaTaiPXLk0ReVoIMH1iJ9MY-1739101960-1.0.1.1-5OLdeERE4XTPyuDlSafRF7EXCSYNJJTfIt1agfabsDQ",md: "HkKRb0dqcKmDg_0n_N9qHlxMEwmmt4gSJxRNHgJnHJc-1739101960-1.2.1.1-AvVO2hXpQf8IkmaeuucIcHuWA8rPPb2YS9M2x53WrwrdHwLfW6KKiwSh5qWuSngJOoR0M4htcyKMfW1eopCa8XjDKabl3tIYUmRYRuZEY9S9IJ2PJ.pTofJPCvBwkwNuKlYlmBCKYsCRrIlZHk2Z1tieZ2VvyAp2rYj3ffLs2zAEPkomR2KziqfUbVSrzcW3Acrug8XB37DKZXgdFokIjsJv84qDD2WAWBTCzp_GMD7Ctb37nIE1OldSWL5sk2V0dEEbU7H1879Svg5sEjPScnsyheoo8IoCjtlcUQxYM_IXvYU7Hg9axJ_bG.o3dTg4ev0t0ENter.LCWZdi7xs8RWad4L3B27S9dq_VPpAXB6hq7jPZVIWvtGWnou1Yja3yxgw08RTjZ51DPzYevNUrReKlgefG5gK2tfAzSpfppbDamLrATUCBprhtD_TDm3UTLL.CV9.W3chMvwI3_y01.8sPSe0tbgAsbgPAFHeL8FPFEEfOM7fhacoo_5WBXScGXb7FAhK_EaQIr2zWJuBgkSzOClJjJe7sS2NUAZpcNX7SrThZjkiI3mrX3VaJ7lYj9bcFHOAb6Ak2rFJ3BXnMDsAg3W5Wl9iEaPRzDLc4K57wCRAXynK8qcg2HyjAEYc4QnNJEbF03dG_bgRJJbd2M.WBU0R2Es7xDftRyml44jEbjZ_HSWUSfEg._LbDCad2kYPj9.nZYmNOlUnEP61xxEbpV3qMbMlaOyTTPTbiQ.ZsDZACitHjw7eH3axIpjvxVHG5hwpgiYDucHqFSercEtosjFegY0UWRSdRBebsJNGRLh0bSQUgvxqa5Ys29DKlhEYqDE3dliYWzSSW3jv1ODgJ.C9tRXwtmXRjGiMc33Q_ttJS.dc_Q2bTIFLAPyRMssnA7iFL9bZT6leOKB9m0ecNJXPjno3v7G.eQW.0NPRvrpVx8rpjK6ysLERUX3BtwRhPUKGn5ycr2T.FNuHqu52nHicMyhpPKYu5sltYpQmqaRouPBoZPn1FHKgKiIvRnrxyu81N19GWyNFOOGrZKeyf2jOV9hLSNnUk4jzpAtnh5HoUY.4MR591pJlsdEHhu6d9JUtAbELpY0BRs5NdNEwHXMhd6w_qPgsPVu6CyLQXCLxrwW5N5peoPd2QRy8xAwbPrNMrOruMa4kMGvmBi6Q81qfCkxz7_ZBYyu4t.mIH3NpkAeO95lHiRXdWAIhT2PMbqsoDGPMisLmDSehbI2GEdpNsBjWxx.57dAvKUjS.zjsUlUWePnsQxps4q_eqVSfz.cEtX9pD1i_4.uwD1Iw01y0Ys0ouO0f7.FtLLF4zHcJkL0SJpy8xY3NGKt7rLFcrBCWaHpQ0wqxC8DEGkELZzSc8yNipCMiL6akB3fehcpgH76LrZVP00xiklxjv7bMaPWomK9fdxS1GIood68quSDXhN3X_uhdMBROkhjVIDx9unJ9.ptjAW9MJvGFeREDzlo4UZcfrPhAnMC8Z9Fo44uAn1k.qlzxmdS0wxHu2kcDlgCGVyRfvVc_qv1Q4_q68qvt2lA0MobetrqW6mS55bFzUfywI7U7t8WPoAeohKUxMD.PsFZeqOTQyXpBMejhr.NpsdToisJQ1p143CrEnzAeVeyojysq4SWQH7tuNmY4BRJ2POYXSNmtlItmnBvp6MkoYQBsAL.ln3mHfZlrCJPL48mh6p03AoHj2uRw.6evlXL5bpsTKirUebqF7tI2DrMtYt8JxWKE8Q7G0reKE4VR259hxzxs1ujEiO13ktBL_SeqZYmERxURRpUgl58D3bjlmS6lN0yjrh4DWeMgAjb7MYFgOOSZG5D7DjVvTPhpc5jPp.97RQPlydP.mwqpE4IfQ0ouNAavRYkN3M2EnDzOD8Nsy6tsG3IeBubnZkvKBnkqHkaRZ2jOj2DNfsvYDTpvMbI9.YBw78Rcl43OHw3zC1lPRBXN8rJkwEPwT9uOmU1V2VGy6p7QlthE.L_vCpOJCZVcuC19rokinJzAwC2nQNV5Erlw1pSwvGtdKiS8mY._ZYczAN59WkM2MsIc.c4CwC6XJfXOFaqaAHDH2kMScPkv3nLadvdqoyPusCY4lY1iy_1geIowSXzFtwFUbd7wr8XiuKnduXUFEwJDnV1KMqNeYXK8veSP0GXCUVkRxhSSLaR9mbKfVvNqBzz3DWxFmhagBEdOdY2AE1mhMk1yQAjP.HBX0XIXCEHuzuwp0DPo8sIh2tllbcba",mdrd: "L2f1k.sbEx8HyYjI_KlgsqPUUR1ThW5whTWK.pu0Npw-1739101960-1.2.1.1-.bpShYWkC1UxSh0YZiHUly7fN3_9qG9LIC._LN8HqVvTtfaFoIph04kCwNQVuGHMfqOHBokj0JHjg8w7AZ2dyaWqkJ6gVv9g3vFOd.gviWnLdpMssDZUlr0tgRwF3B0ovClAmbdKlgDvK5ZHJXqby0fyc96V6dHOoaYzS5qauZooeFnESvhEXnO3F55fjjqi.KkTbtAE4FfPsE59pax_sMryAJ5CLgfwZdFt664UeY6JK5qM8E2DNfBQG57ZpR3JFsSmLYoWT7OtyzyLRkBdxyELuLoWsnUpf1gPfBpiceWxelPF99eUhsX_1Xj_5nuDpzj.OPIdAtrH9AgxSdD.N_8GPSPMT193Fs7v8pxPD_wCetRngjX8e34vhlxkYPdcndZbPgU2zbvKZ.gXwS8.ut6.FDB4Em3ExzQIyMylro96iDYTezocKwT7hAV6aEe7Js0zw8oIFJwsIqU.3LSg1mganG11WStOuD1hxoVr86sWCCqUZGgAy6SbhQ9Xft6jcet6NjWJrHAEwLHCHPanGkEQhhPyTL9rmcSCj8GuXBamcn7IXFxd8Wb0lSJ9R1TGo.SwnFI9PJ.azXGEcIqzVVKeyW_Bw4fvWiMA4lzXZDEjQyjuaVVF.8utL3S1Y_UFBZKsIEq7RawLGEjKbZWbbN.iQGI6gPKXwV40hw0aoRTDrUfIDmbbz2NdLkpqZVL7BCmB47X7802_QLgRi9VlqDiEgLdsAmYE2HZeVu414Ia_YePH4FV_Ol9DhlB4f65z8OmQBSMVrh8BDQEdSdqXRmfA99aqNDb3mr2QD.0p94DS6cT1nrsFc4dLWQfwYl9ygsOQO3tj4N54Ow1v7IIjemiE6U09eJd77ktAzX5DEVhgbhwEL7OOPp8au96KUDfAa1S9gYuJqockGHjWvhTJODdJRFkvEMr2qbZ5cq6IG2d9XoU4ZOuZkOp3RxWVEYhsxLkBqykNYS9OmGRC98EOHiBcKm53O0PQcQrw3LRWVtJnySXRVSHip368N0S03asKkhUU_xGsg3s.PcJNnLZAxQpQwxffQ1PxIpgmSNsHm9jb5rJcR31k8JtX.CyiIiJyTGYI72v7VG_fkmzKzXT9yZL85PoyH0rZbJH9z6xLTJjBqH0geMWuQNjCZdYzhHJSE.1sUV16j836RV04vaVbCeAOmN9pqttfnMmaHzfliJ8ultx3x0NTpyMVxHuuubQaGg7bwo7gxw_T3R5c46kNL2aETi3Xi8srwKYZO5R5LANBIiBgT1H2U1EPkGOmuUHGneGd9UBDhugz2pyM_MZTehOWNk5734IzApm_jCedy4T8sY4_2AMvXzTQyn6nDIuRTPKtXqknpb4su4fGSYp5WnY9dKqb4ki13Ktfzs7XSyNl9ti6ZbJaOerMi2R8a.kUy1POz42pWB8uXdZ9sgOtHqU514KKs6rudyyUDY4gKk.5nthNDKM.KMAK6N5CG_W_UTphiOEF78EFvnh7GjvqUkB_Ofi6QSYZwj2pVIc7Mx35LrOl2FVAt3jyqSH9KF_FTP.V4IGJ.HhVZUDNr9gl.fDTdukuq369xzp7bFq.24jVvf1BSlrAZxTW_WpwvljsPfkzstGHNOOxshOU__nXmidTUT2k4ibcASQ6DbYSfr2aoxjYHANnOjGOs.BvB.TL2TPyfauk_2HHcqySdKeUUuD8RnLl3ojQHDJyHPr55wugr0HYGdQX08zkqi6tjdiQXcSU6nhupnsJG6h760kFnlhIBTK2roXKtEzEvOJRK.j2IyoOz9tzRZ42iDJTSnaol_8kPfgnyyNAYj7JKXTMsw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3a7978aa2874e';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\/1947260385?__cf_chl_rt_tk=6Gw.sfrdzs.dAPKzb4PeKaTaiPXLk0ReVoIMH1iJ9MY-1739101960-1.0.1.1-5OLdeERE4XTPyuDlSafRF7EXCSYNJJTfIt1agfabsDQ" + 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