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-159472858404.mit-edu.top/post/0385741926

  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-159472858404.mit-edu.top",cType: 'managed',cRay: '90f195f4cbdb9c1f',cH: 'f9hJo9W3TaLvYXdjy4gcQ9x4aADkpqJA46LftbobKVY-1739080267-1.2.1.1-gdNV3IBe2HD_vvsD6WP5GXtb1PgKgyuEJbBnzNicCTuUQWEnterr0UV9AjMMxE5U',cUPMDTk: "\/post\/0385741926?__cf_chl_tk=jOE0eDPjJWgdpufJ62.L_dzarVGxIqH5E66.ydRsKKY-1739080267-1.0.1.1-5S9QAswy1Ofqw4RJAgbw03HK.fBZBxJr_kl45JsilI8",cFPWv: 'g',cITimeS: '1739080267',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0385741926?__cf_chl_f_tk=jOE0eDPjJWgdpufJ62.L_dzarVGxIqH5E66.ydRsKKY-1739080267-1.0.1.1-5S9QAswy1Ofqw4RJAgbw03HK.fBZBxJr_kl45JsilI8",md: "JM6XtA4wk_cEU658xCHGTO5uEgv5hMbWhlkL_g9In1c-1739080267-1.2.1.1-UVjBb2cgAWa8YAynKdRbKcpx1gC44G7zCCtXWxGS4tZOxQMiXE_iFD58QuqdmAUuG.LIKid7PkWhvu9lFT3E6AdCSd3nNrTu7NEEoQK6q5gNo2rzNpsopODoK.KUxtlVweMJQx9V6_C51_tNGNKz_RdaR.mFPjDT1hO7oOksTuZ0H.uk5IpMwXgADG3T9ryqLlUY3xv39hke3XxZxhnHVMJAaAAD7ihQm7d_mSxqroXsnOsCTxEQOemvMoHuj5OYk3TsG.Qckh1jCcGY7caA9t0kX6DUignCAXNXfh3iBiW.X89kdnZ5CfW5_1.zSkqQowCbRnxsiJfZNpxble5_BPxBV5vJn2c_catwFpVgAkPUt8._Ib7KAde54PzIQVzrrBSGjRYzc8dyssHIYCCU5YN7o_2AZeGoWMwr5CtEQW9IZhHagXCyrnsH3vPMF5rW1gtU9kE6HmqdFBW6Qp1ZRYY1Xg4m4VB2rvh3XZjfEHjOJzFy1I0p9QAaYdfvNUVsUjPxZjWFfbfVOPs3Oa76YC.BTkXQV4.Gi077MEqRaAOjL_H4NnceFi7Uoiu_05jVgRV_id3emMBeWM1_EaWnS0Iko8ZUMwZahygSenxtHR8y1ErGjIN045k3A4xi3bhODCkjFU1_WHNWh_veahlp.16XAIoKBTpvZGtp2zCLnb4OUlcbQmoIrjh5RrnS5QjU2oS5r9Ugz53WSYFv2zHudDpLqcIysOdHxdxCq163BIunWG2fnXHGtMQe_3uHXCL2fTe.5k8yB20KWaxJjT9em_tjqqXw17d5kMPIzgGAMOldAcfggowXlFBcdsLDBwlLaUBsEs_hq8Gu_uTp0k9.grjZM2GaxKvEmAVNw6SMNYWHljLAR009kDqfMX0ahTyKeJSQuL2EKPpBDH0RkiV8LyVeS0VierAdt8KElI.2L91hrWauqw2zCGF7UsAs0djDy7Gm9UYOa6MITuaqBZOVV.zSn8dDOH_qZfbhb0LBGgMIl1uesLK8Vong02L8IR73FCVid_LJELA4gzG0Pr_pgS0D7Gi_bVVZ4LJ31tDyxIuaPfeMNGOM1AqwI4cP5aqpF469iXiwKkMVJShbLg.Al9Qe2IGFg6Qxl8oUW8LC0v5G3higx87zSvSaF_7aJ0xaOqXwdhGahjpgnlfTbasBl0lHkbqN05_VMBvqNG_dr83LASn7jd0VN6SggjoCTKmZDoIl6sAqBvSVpXQFr9nL81WH7JpjRe6Yw3nhIo5F0hX2e0XzKZjWwFFGV7hv5leOABIEapc14f9h2.7g_0gfv9ce79ctLnqfmFzPN1yi4RuUs7YOiKiYV2c0AJiokVAiVFgekCdh2supuLQ_L.qilh7LPKZUEFVomGAVtlsCJR2415zaFKI1H1wwJW2q4kLU8e_eWAx168aDWlGDOx5r_Q162SyhAzdJC.F0bf1ilVBcQacrzK9sVygcuniVWsdPiF.8ten7xdr7fKLxqJzsOt.gLBghUWtnXybdq4F.mzSL5fZLZLOrH09Heke6j35qJKJ5ZRhfAOd8Fcc163BjACg.is1NeCSse4s2Mq8MqAoPKc8k2Jln1HycdzcoFhGvrJ7yGL7L4Qg97UosHu4LbNgTv24sJCW8Dlv8SPBY1Y03L6O91cDnWbgws5LE4iqRM6TNrpuxv2Eusjc7Vs4nGaCA7vGXxnpC9nN_h4GniJtnyVA62PfVZmq3xCE_Q6QP_Y8Z.KqLL.YElPWtILZJjj3ZrU.Rd8GQfPeyeGyOnYO0_hY3nZImEt0SE7U3wlq9IQJju5k2TpQR7rNGbR9PgFVNItpv.dQp_Vv0NVWvGdGMfDOvGA7rM7q7sqRiRFh0WQMtsNks7vwJrE9jyT7IJtlT0vBoYtV.Zf0mLt8mNH3ARPFPx2KVePSaboyNbAmkQKPLP9bEwfBHNnF2RMmX11e6zDeLKbrdX6ZfUn4iF6kO7G1wJmO3bPshdSqqgMz9cx.OgV4iHmTsLzFe9vGYJqsilEF8xZXBXsV.dwJ0PsRP0iMl044PWttJDK_PTfDihdAqKuFa42zqtWz6qLbXq3Zwxsos_K1MfEgY3Ysz_kv3QTcxxDR0yXIbdT8tHnG7DEzHifSaCsLCG9MrMGHfavIEarvrSUiNeEjkjVmdDRQgiKIWLm9Mlca7hgVwfQedTzkodmHcNBIV_H1Yi_QLeCfF1urFZTz.s3y1Z_K73NywSgzXZRHUEiMWP3hkjrfP",mdrd: "RtcW32r1I_ozHoux3MEBM.MQUMB8aW4HL0QCDj_Pg3U-1739080267-1.2.1.1-q6a4nWbm_xopFuULgcCzKTJhNeOo3sfu.kfo4DYNkrWazm8NHGChIqu2TgWmthpwESjwPpeKgzZAvNY._iOFK_F3VEMgGX723sZqvjEesCs.PXcUYsDskgIZJQYwEl8OudWkCNGCMfjdBEtxmuxW47ZG.ZiF5Epu2aIOB.WrQ35.U3BBZDaBM1ZAqXiE77FN4Gss.lIExyEl.ZL4PVTvvTtJgfx96b3akKxeZ2IEqmCp8AE3__Y2JqirlqnPTPscidNdjK.mXqCQ9in4hZArJqX9ZUIoDsWUkRys3YFMuHA7dyl_pflU9HHLmSb7vNCbjNpsDXCBPenFFB9LOx1RDPD_SbYtnDvc_5mDmvxctLO7d.gM2sS6RqSCJb_xWvhmQYk66vi29PmMkYuovsjVes5S_7Xp5ftKfQUT3fhag_Oy5KUwsXr87PkKIFR7OoWz2RMbhmuiFlzo3c4TiNu0MwuPKl04RkQPJ__bPyj32pTI70JHJU7zx0AyIKugz_G6dz63IXgTWamxJaidylUWpa2nCbm3E.hTED9w5pSg3Fge_avJ4fJW_pFrT3fSPeu1tsHmWk35lAd54GZkdMxBQbEVYvt4VjLf7zd9CyiEyqLNX2o.U9Xygo.75gUiQJ4zLjcvFKbEP_tZEywH7o.nI4BrgQPKPeWedL14eKGFtha2wqZKNHUKjPrtboElxBa0M23Yqn1mu47RzwhKi2W3phsp.08UTLrVdxzH50CM8xjaQshDJwf4HfbRn.7j1M6ozCqKt1HMlOlP0sLOrt4l9uMpCCrtxt4XpEFQ8rqQ8qNcHXGQ4mEpKqRNb4mJP9Gsrp5zP5RCmSVnu0EN1_AIqe_i.Uuv23NPa5tpu3b.BqXv54VU_oOYMemu2r5UAgmIqTOH0c3MqkzNnbGYeE1ki.HaIjjSjexeW70p0wePLGMhs_LDGV47F4CINefZbq304KYTxLZ0tcSVoTJiwskZshAbIWWQ4rBKCyxWgVjtMLVyd4d4ewfXIqsEN2xz8pBQrCYMUjgD5kSk02J1q8mt4uigFmzVnC.SF1_Egodowne4NVeQO1sYAud2lPTzCmubnT0Mr5RvmrR1NdDSexGlBCCahowBFdl8SOIGoN84aFSUiqboAMHZLYrseWJQ02b424pF.os9FBQxGwf0FIesMZxSO53WwCorUkKgqj9Js6hzJWeU3sRSpHPU3x9GKmVz5lhyPky..GboapIVv03lLa4ZU9c__42TqNHebnYnXf75Fi8dUgpquslaWG7WhksQ_ydBFde2kapMxXl9aQFhjt4vrjOpPxqEwL_f2JS3RpAg7L7yWMDDt3d8BgfS6UWCIqBgkmJSCS5n2iXIqZXHwDXSOuMmFPBq5qYa54AbBLNH8P5Vr2wKpZMVcEnz8V5vSDb1UqaIDQZ8_4M9Nyscg4MH7SrXlhqgkWxeAejcP661rBYlDYLB7ajBEpQNBGxRSxfs9pAAxIzWbJj64PISOxOgpsWH2k7kRgevdb_xpV2emY.xCouZJv8nx2XXU2TufgB72LEYRxfbZmL8qrC31AYBEkqAxnctG81J98Vcs9Ng2XPbFHXsXt5sCGSoHsOZz7j7eqnoSUmpbMbSn6VwkIwRbmMyVhNMmHPwuWYCg8FgKt140DMtaTHplR2QxT292UhNwceLz6HaGh2gs.WDGIEiJLZlRVbVCQ2mSLCH4qmuU5sDRLY8vuk9FPgsXUS_CGUE7LEBYYiTg07XjY8X6z9EGjE2TGAJGNjMOuAyEpy0ZVY1jwZaNfltK7v3Kz49exWdXAnc9oo29exgTDb3Rg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f195f4cbdb9c1f';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\/0385741926?__cf_chl_rt_tk=jOE0eDPjJWgdpufJ62.L_dzarVGxIqH5E66.ydRsKKY-1739080267-1.0.1.1-5S9QAswy1Ofqw4RJAgbw03HK.fBZBxJr_kl45JsilI8" + 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