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-affae86ui.mit-edu.top/post/2039157864

  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-affae86ui.mit-edu.top",cType: 'managed',cRay: '90f807daee94206c',cH: 'zyS3SsmQq9ZaNn9AzJCGiAH025VvmA5xUt.7mCb90fM-1739147846-1.2.1.1-SZIw9.yXMh6fG905nmYiQR1SgO7Z9XH13JKEEYBHoT86emR7t9tmixHizNYZFbJ9',cUPMDTk: "\/post\/2039157864?__cf_chl_tk=_YZhUK2Rw6gYY24M4zFqq1dLq_mRu0kTdLQMh3DaNT0-1739147846-1.0.1.1-BAOFhbdIaFmONbpxo9aV_7UfU3do_MkTZsDl4xDVG1U",cFPWv: 'g',cITimeS: '1739147846',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2039157864?__cf_chl_f_tk=_YZhUK2Rw6gYY24M4zFqq1dLq_mRu0kTdLQMh3DaNT0-1739147846-1.0.1.1-BAOFhbdIaFmONbpxo9aV_7UfU3do_MkTZsDl4xDVG1U",md: "gajOyTYloqX.zWFjGV0Zt30qcBgULeYHXX_92jTSbAU-1739147846-1.2.1.1-n897CbVPlBVOzHpQFyV9FHpd1s_wBNyS8Ki2zTVrFhhU4Jts5xcmc8yspAeT0MkE.iox7X9CUUnZlWRXhD7YOUZX_l33MkLczrhG0mxrOukxDGkYrWCe4lEVV7wp2W.zuQiLLNqS7.TAcCIAi_0Y.DKKuIDbh3BYLe3L4NyEeF22.CsPDBzJheLroVaAxh.V_oAnPeIlZ8tzSnmaGv00oqCYO1CCRXZdnPTw0x.g2lr4e6zCLUD4l1.JDeqlXhG9JSBPfCQmTNRZPmRHenpE0IIln55oBq1yZRRt0EqeGG2sOANC7eJc_0gYqIq.6Zs8I2FoOY2ScBUF8t7FSYNlhjiapjMAdEPsRLzQY49CozB56RjVIZ5slN3Z.XThO2YKUYrgMiREFzqN5zSzhN.8jgLrkWiDh5pR0kVo1pM30vXw7ThS4RIbpk_K5PTTLNEZUWKK4WROwsVuoGslz_8PM9Db5bpult2hVx.hmuq4OF2tVZS7SvsFu23jqpXHFPu.g2RvTdc0YM6tFmBc4esIz251vQ1acmGIQNipFg6yuxXxh_DEV6tAExWV7hnU0BVaw3psT4LLhVW4WS34KRmOHdSzoU8a.Z3mE7_H5kHlRoFvX6ri8eUR1nbHShtrMf4Qj_3BuHPi4YES4PP1OH6OE_Fvq1UPF2w9Iap0nVUgsrGSGm1dxiS9yIdeclqNyTLkrhZbc50_CesfsNsafK8hNOhcl133I9P6ZcJJILSaS0c3En1_24LyqLUHN5lOq.mlZlZpuxokv6IjLHmSHGKtn4RpqRCLZtIDvgU1WZCqbDhReT82gPDR8RIhLNqK9hLmepX.RSupo.iAA1tSutSmhyS7kRf1pF6x3oLKFVurP8RdVEN_16LYzfl2_CcE.BCHtSuDnMc8cLTfwwnEkkwktZ93zPgHXafpHYcGpJiqCNVM5wWEZ0PJs.FF_Gm7788E2DN_Ke2dRE5M95ilO4x.8RZ5bqnRpURvUUDNruIaOOBXXy_8cYtBh3P.OycnV2ScLGxFog0rMq_K9V3U6h2cB9Smn8uhUDcF_WMicN8.Cz9b5Fw.bW9pnAB_PbMcfXrmmssNZQCRKm4ZwswXxI7LVIAp4eDx1fYhA_zlBk_D9QyN_kobZxVDIOkKC.fPCSYjQ10Dolc9uEKJ20v8mfpdMnEDqJW1fjzY9rj5V58ym0MeyM8LDzcmyuj3IV3xnrFau5ZYgLH24GfSOqQEAUXKJXGabD0fe6eiyfLiCUofiT89ARvjMhrRY.6v5UaC7up8AqqndRWx2RVOhmZO2UJl4_2tXib5suWvi7e1DP75UvAt.Gi9G6CpJcwdeBmxUVbpkOuwCC0r5azGey3p4fwKvzR6zdRP5CUMnLVl3XZ9FDBYBJHqks0nA2F8fVyj6kK.ibXP3oSGyLvLdgFr67MPJEv2EYahmunLn_UQ14Sj90IDSXyHfvFPFpIK9m6hrId.7T2fwC1kl6iRlMOc3WZIxziG997NvOiUSt9PuRcMYKmDJ9VTHBA_8Iw6SwzvqDN0iooRH5419UQ8zQOG2MkjOlQLWHmvVbczhdo4TQ9VIejPAwyvUGPHF9RwpDLe55x67P7Zu_cSdTlgtTiYNTk5m1L0qXNpcG4FwBF2WaYEHuXAxbRH.1wMMtD4LU_D0myIp7wbQ3r2DJz9vuv5WLTFKc6uBeeO4iCLRULiIG_GyYECN7zjw5r04h2LZoRd84NlHWSDygzbL70wSSFVJdO2fquHbCDIKtpMEYzADEGSwQ6TOjDN2C.6v3113z62OaAD67aeUxf9ij4LcUn02m0qiJFboLzalFgQJsBRucM.oiV1.G1jLU5Qw1ek4yVZMpDDEb56Tb9R0mOrOEMtHjIBth9bNZje_RwWPXW3yXaudefg87vIfxV21RkOMOPCEYErJHbIGBwMEHEdabIIyqWqZX6nrbEz5wzL7QUMj5ZeetsSRAWTBvoNsLW5lbHV.KdJj.Z27FgTzU.b1ZjG2rr7QQmylnZttFOVxbi_GXNp2NI0N2bA1.a_zsPQfc7G2HqMzYD7CThJt7EF5uXoQ244CPpPV0GHkp4IIKysDbGPoKOJQNmPsAJa3GSrt8WFBQSjzSjEifm49y2_UIkEuA93oj9KRsbUVeLNI9K62uZ8mE7RV8.wj0IgVNcFBj1ymBrM6gs88XazV9VdX3btw.sL62LDT4NtQL1D_W8f6BY5pVaNcr9KdV19CGvd2j01DfO.",mdrd: "warG0bJY_bmUvScJraaLT2K9OLixT.e3JLQ3kCfYrO0-1739147846-1.2.1.1-knhDRjd1Oq8OAH6ZMXYI3mBhtz09yzliuq7_aoRvGu4hPIeBNcFkOSmdn4rJi.LbLSdbLuuGByaXC.xKH_zu2Q.7WG5W_53QjEPLXpQDTEilwqcyWTLw5NdVIqmOLVi2j2bayj1GoZgWztKFwVVLu0LiesSrh9q.4MwYu49JsXhnxw.bnMo0EizCLciiRiX3eiVhMbZVVbpZThGvQB50mDXXhsELzqSrY876hfJDtlsc7qqznLwM.fLBtgj.y.mRKPyXeylJms7l2IN18cmoL54.7p9R_Lrkl06MEZDfYCX5TBVbqBTeh99i8wurpsUsnjb5PrzDdDL3363Dyt9HX6CZtdK_BqCfp4oumkt_SyLAFGknitaZJwa40GhDVpQr.ogVfjGeFtoC2hH7ogVJvuAQYeCnpMxLrK_nW0reR1dCokHQ09j6G8r8iuypwt1Kn4QbjQXX9s.Tl9UtJ3a7ReBhrSf2aNOQ4mCfNBrHvjtPm30oab4KdIJXsJlS0rM9D1kvcop17zeEK6IArZDQZNzfBR3C0XuOjLoBNfOC4oKr78xX__QXgrYEzZevIzTixKeu73iU8wrkkMUNkZ7fANtThbTySI5hc.lCVtPhH2DjVX5dgDw5YIkA08HIXZPXv1GrJOhLrekRRwUVsjLNIHmS4vs3swodLekBGeNTxjRbf4Qm_rOsADWXPQr80Uy9X6083RFrSEX5D0loGVxTG4Zr.B43xVbVTSpXDy7xMESL51MAl7_0t9srtzcfBiYU_oLHMi72tcZ56jLZBYVdVVPGeyC73t3sC24mEZB5bxh6xbX.4ST4ZsJhKJuevttdjgTsohXqMUGRv8v5eLOkzQ11KxrnyTMngzmnnAGv2lKnxIqAOWLXPqgUQcud1n9KEHCovLy_OXM8RYl4S31IC.GWk6XZNJI1HsZ3.ELy9xYAj2PVUzdq8lhF.T0qOWqwweeKdfQxz0hlCJXrv2HDhE.waYIcmsZ8Wc.xvC9LaAot827KxZg7FAMzlY3DqNxpVxhWBAps_CpaSk6uiI_sX9aahGgnFtipQMydERDFEVYceRx4VWc2MUQsmjaP1vQROfdmpIF8mZ_uHVogRQ_OXK12_3cdpUIWarLlnpHZhDnD6J8UuADUuwMVjFE1iKxpf4NRvew8G0G4I9GscfOodGkGjBr_iMY2tD3ovgymruNst_wSgS1_N23wKRYHIKq7gLxNKqR24mfxJM9oJaTWHKGsTe81qZsIRQJwl4NKBjbpC3o4bQ9TYPWLfsLEYstHMmkpWclZScs5K12oher3YmDcunx_Nyrr.32Z6YTMKHq.XQpfyGTwIoncnHJ.1Pm0HNHwy2Ml2qOuVmAZfXeNVgEDoxhW.CwZhDVIB7oZFYYl224_YpwXrh7P3xR94MAA4ba2FW0MghnQRulz9z00uUlWZY0r7VDPluihO0U43ZVmBfD.vqhK6J5YRGuZKUptGojmQ2DOeRnF8LlxSaf8UoNBPg7OSGz1cW17iiJuCvG_UuEzsQQkNKqs7UgUFfLGNbiprGr4D.wmWTeDYbALycywPwCtdn284kkBmfSdHZyxdgqNX4EW7mlKNK.ScYz70b3l81COugO9AdHTiJ9KBJPqsyZpS3Q_P9qg687C68pp8xSTWZbzaJlwImu8nRugYHdHLU903kR2GInIDwneof86DWjHCqOjeoDrmgG_kdakyHOPV5l025akSqnqRsdXmQBJ.tbzfssPu6LbEEP9dzNKpoyI0.1ET4lBqpzvXCIBtVZQns06TdnVIP60v6p7AZUlVYWwbWStpzRB8qHggg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f807daee94206c';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\/2039157864?__cf_chl_rt_tk=_YZhUK2Rw6gYY24M4zFqq1dLq_mRu0kTdLQMh3DaNT0-1739147846-1.0.1.1-BAOFhbdIaFmONbpxo9aV_7UfU3do_MkTZsDl4xDVG1U" + 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