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-affkeqb13.mit-edu.top/post/3715069284

  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-affkeqb13.mit-edu.top",cType: 'managed',cRay: '90f361754d8e81b8',cH: '99fUJjrMV9cvsrrFM1oBiBn.Vaed7Yeqh9lhQL3VCLc-1739099088-1.2.1.1-mDns95oW6xmJ3aDcA4ybTbRLGmJKheZPVg1mZ9p4k1H1Dq1ohdZq5j5Xhk82PLUn',cUPMDTk: "\/post\/3715069284?__cf_chl_tk=mVzpdfg_WRu2REyBkkisydkndlxG_ig8mOMk.RaWnAs-1739099088-1.0.1.1-cLKbmdxlCer4lVoYPdQy5P_WvYJkSJw0qWFfktA53UU",cFPWv: 'g',cITimeS: '1739099088',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3715069284?__cf_chl_f_tk=mVzpdfg_WRu2REyBkkisydkndlxG_ig8mOMk.RaWnAs-1739099088-1.0.1.1-cLKbmdxlCer4lVoYPdQy5P_WvYJkSJw0qWFfktA53UU",md: "AWbnNjb_yLqDcNx2F9p8O2yA9.BhRUBowE46vwqkm_Q-1739099088-1.2.1.1-GEadxiZRAaUEQ5MPdPxrB4bUjE4ORsGRA_5gQ1zcDh7PxCFVsMBT0iJ28Q372y5k4Yh7wal1iucsuhmZ1N4cdtiZyYSSxEzY9Bv39atLyRHhk6kDRvZbTl9UqVv9VdcvFAWR2DxvV0KHdNaj6i0upL_Qi7ZXa.EIMCITmm9VO3x1_.mZ1fLqZb5hf8PQ9KJPzVI7g2S8SlCJuMf.xqEA.vCZe9YszhKFaF4_CSu3yZMkhHZNPQrGdynKUCsnbgfm0kQGWlDrNz62M2BGlRxbmBRH4PhVz3_XI6QQWgDmWKpL4PTNFRqIepqDfENI.Tu8saZCW5AdDkIAa537DzP5QmL39gxFnjEc7ERQlkCALvGDiT0HFJOMD61FNxI8pKChLmiVQjeaeLsK_LSIi1zV9_mc0NUMz1oNSLeJfaSCSitV.uJAWRHfATG4PImaF14EbrUmx7bYcTSgiqi_WNVv26xjfWVZ1LHwfg7dFlQbWgqbfm4ttJ.Kl1J1E4FBLA9anAYkDmMUnEHb6nIckToo_LfhLCzDHdxJ5LmgXEkFwER51odWh6esnnY9MLiuxe5nQNojWcbaHdaeN.9.smARcg69AdSCrJkWK8hTxBdWaVWz1984ACrM3cqNx4z8gf1uT7983aULG8RYNcYtpLDy2d2ca0JXsXFWHftPdO0X1lcoL902XgDr1q2g5H4Vd4MpNUk7f2TaZf.iX8dv5aFD1xjKOpH8gElwRHOy.Ht9plMt3yaijGSz4NsHYOwWS4kqCYQtitCCGj7pHCpJH3._E.8I78tqqrEt9CYl4DJVEDQs_PKVjyrV.pFmJ3mb4hrG4HttiEyZVWBwxrvsl249yZZ.OzS8P.1XsP3vAML4usbHaJm31ME5dsA47dApoMoSqXWyN_iuboGC5TxwH45AHBYgh1K64fl4_8ldY3lUqu0.GTG7S504wmxmUtQMXqZVU3A_JmqWu71BCM_QZ257e35omUJ81o8x7taEpIYtiVBfES_ONEhvkGeyUSljoXmUn7g1wsp.8Rfzi2luYxwlVPq1ZjFwqYZu5mGsG563l7FewQWuqRPwxbfkBtLemCoJEqfqWi_5AvW6YczfLuMZuHQ6UGXi.4x1azvqZhthAU1BcmcIUHtrPyS6uqlXWspAZdo8cOzTK_CBESupNWXv9vl8G_0MJSa3sGkdX_tEI3pRnNt2m3Z0o9HRnuneEkObM58T6nRfQ4TEzKHoJO3ENmuld6GgfPX8IJObA34Xt7.w9E2s9PtnN8QUEnJIddhkPiKsVib_Gey_9loA.6qwWET540KCdvoaR_XllgncmY8X1hCHntCKe4Rh6_O8S6drEDpH.AHJ91s9gxENqbsWaLwg69CrXAGL5wTnc0IXrZ9gtSIkKqvqngIMTLzjG5atS0qqyyTw.OzK5W80UNkxCUreAyZEeqcjiDoPoTro1G2IBPlo3pHr.3Lsiqal1DgZ0W1MuvvNlaE.3K59HU9nXTn8Q_Ht_IaaQ5GiixnkbQzQ0XikqgwcI5tSZKF5ZRCYRZtr1oR9o3_H9FQO5bh2yqsVZcwm3suDB0g8fxxl2XSoPxFMEBEZyDZTW3mUzkaO.BcHkMvkmiGF5qIP2i7jNsK_GP8PXIkmz28u1hr9D7WQJy5TbWU1Z_SH5B.1ckL_WhQsS_Gg_7Tj9tXdk.S1vGYXx9.TjA.KF2dHTL_zuYDe0K6cOE2arHttEwvgo7AL0s5HzJRgLn65ia_Q04pS7LGIx8Z92qmqYNxmH8m7rdQC_mN6X.mNMkF7_XhYpqsiVlOHDwdusDmhfUoFHClyz7lIi3Op3VKVT4Jpwli64EFgVZfj4h2fnyDBsZcq1Flsd2CtSI9qdA26XDlnemcVG_qUoLcuwGaQVthpDxlgJFuFQoo1U8UQT08mtSD44pY6gciBlpdGbeReOufkM4FET7IiT8F337asCTJEe17dlhQQZ2J4Zf1SxYtNSWBEEyxXLN3N_PKvTj70W0BY1Nz4735ZE8TkPdH9.nW7gdiK9qtL3rS6h1X7xZv98LjwOW9JGqodptIjy.nETXV.1Tet8cY.kRs9xrXQkdQYLwsoWaqauj1j4BO8PIuogzfIuU0z9pZT4_rBBMKqM9UKluwRjr7Ck7y9phZ9ybwOzBoozoRxI65vB.gi22Z.X86Fso7KrwFV836AL_XZCh5v2_bzUdhPxt_M0Fhqw_H2ZS14at540xCUiDeujgZRsjVuOsWg",mdrd: "fl0Mtk_UgahbP55Uz8o4jDO_mh10UqdsGWewqh7ayKs-1739099088-1.2.1.1-uylEqBOsxTotYkAet0EOdJxF8ahqf6r0uxrI7Mp4KzNpmXiHWl7GBqbVBDnUOeeq3CSZtXZ9RH1kslMoyAy5JmSn2UNtZyKJmUvseKPWHhyEY4dsJIKJq5SPYs4MmOO2Anv31JBgDnZpHTLjC4QZ8zahNjhoRUGZ__FoTcySSNre_qyDr.UcDsbY3WqHLFmrFtuscXd7v9R5zWBvbcqs_fm0K8QCJGK7KiSD7SxmwjVNOgkyz.8NxgdG8E.CLPmIgyCP89gC1OvvvHDGCIpxckX7NXd4urgChgDDC5YytQTZFnKqvlwbmOIAXCPiG5zgTYhxYSqlhwBpnSIKqcqdu39JFMK2odm7oyTS.Z8.dmUP7TvRyITcCId7EUFc6NWkRAw.hnm0GapzrsexMaGG0f8oYNrp3fXHstqm_9X_JzVrIZux6cCwcYtwMl5Wa50V22l0jDmh4HHlPWqq0lUDu3NAt5xEEmmw9O7Ec.AiUi_s1MNDh.d3Y2fIGX1Tik2A7Mz3pa4HMgB1XctP0rOsgstBFddGHYybFclZvaqVXDbE9G2Kfaho2h56CgXwB8pIBy5nTyDZiJanvv2g5WMtOoLqf_L4p_vHOS2q53aTDht8UmwsOci0.ltacDcwnla63wdI6p2rm6qVaXHGAvdijLvDA5U7XhQg9WVT9Wu3ws0Ljn_P7G7h835p8.tq3nUFvIBbEds6JFoK6lpwLUnBkofLSn.Rtreh9X2.9I7zvKE81_jxnBJHm_vIb.u.5tMamlHg40_WgmLlj52DYjsPaG5YkkIjOHN59DlzvCtZG8QZmSUcXkFF33UWv5iZjW0vlMYCYxP8tOOzSpssXZiKOElNAiOJPWlLDSPjHmmLsxJg_kRoIRQV9SBlpE93WhreulFahdI_1p5dQpYiDarU_pbjQn280kZaxdk6uEMQ6RXaiBB6xeJ9dS1IUnilN2ZNS9zT2NuHGqgY9jqmCmqAdYVCAahWcF2xIidTbetQpjB3gmBAd0FvAFoltwEf_h81rbTGleL5bYljrHFcvEcPcwvfJlDHt1p4gl1pADPI8hWIg32csJWkWtuk3TwZhMo05CYfUJsfmfUvWHdFKL_kCjvjlp2HnjNy2jn0GPFVOXtJCUKSgSmHvKkbP8gIh7hSw2tVteuT_VM_77KqKAXcKg4kwPfTmy3to7nxaYJyRR4lnWSgJnTAl0sLrrsYOALy4f9obNfTvfGKVBjg8k5w9mWw7hOPoZrTDxZS8sfp7dTJd1fUT3Y18UnA.qQSfcYMG6G0Y.iKWtA.cm4AjQT02Vp7cUXv8RKO1SYHb1lQKxiYATThfEJK5Y.MbHXpfCVnyfS9587tLYIb4Yqb1BmhV6wEmcWNuqGes5W5ki8JRnH7y.kpTllZF3n9gHjepH33vlYdudD2WVHTP4Hc29Rjh9b8uqq.6Fb9avZ1OFmbreDre4vOw11EOr3iRj66Aj_ST8947plHC_GZaLhCXGIxCAPowNbjsLNXdUtiE4Ebxgy0.DvR6sqL5skf.Z2PFak5qqVUj0DYL2KcPeCqLTMhsj3gJL1qBdOC7WQj3fRYeK_UpxDRvgDojzrPKBAHW3jlip3v7CQbvJ1VBHCKZv_K2UEpcxNguAw3lpIhLux6OHoYqtT7P_DlYw4njhGdGtXwILhCBsHYzdP.PGulDnHhz1pcYZSx4meJ84L26Ve5LcHZ6seBE8OXLxlUjUcbQppdjtOlWvtHTFXlnqqjxKMKppzq9.XdR0fX1Jo.nUlnrwiF62_oxPmUjCBwVKVMKvL_ds1IADNyoatX0Oc_sKT1CQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f361754d8e81b8';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\/3715069284?__cf_chl_rt_tk=mVzpdfg_WRu2REyBkkisydkndlxG_ig8mOMk.RaWnAs-1739099088-1.0.1.1-cLKbmdxlCer4lVoYPdQy5P_WvYJkSJw0qWFfktA53UU" + 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