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-affzmqik2.mit-edu.top/post/8473156902

  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-affzmqik2.mit-edu.top",cType: 'managed',cRay: '90f377b0cd8b5908',cH: 'w4u7QSByQAyVsbtnuxoOWc1_8iRPO5l1_Hl1pKibMiY-1739099998-1.2.1.1-5GAeXS2g0IGDP5e6OPwXP6gQYkgxLMEsXh4U1POVMvL9LYztBH2rqnPBtcWjLUsZ',cUPMDTk: "\/post\/8473156902?__cf_chl_tk=ZVQBE5nbULa3AMXMX2LCEQSgEesKdk37ErrkOuvvpu4-1739099998-1.0.1.1-rw.fRt_tPZgv0OgIpZtdJ6JVdtO_Me.X33OQqISG7y4",cFPWv: 'g',cITimeS: '1739099998',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8473156902?__cf_chl_f_tk=ZVQBE5nbULa3AMXMX2LCEQSgEesKdk37ErrkOuvvpu4-1739099998-1.0.1.1-rw.fRt_tPZgv0OgIpZtdJ6JVdtO_Me.X33OQqISG7y4",md: "4l36mT2yMpa28yOInX6UtmvT.5phmfpvEksO_WcB0no-1739099998-1.2.1.1-3QUoOfpMYCM9Y9UHsPz3SupGpy.tvtlNR8p8KqvKFBje3XHVIrybrtWzmKCVC8oyfKjf9VjfwJ7.WREsCjsMCgXaLUjlI3j5uzfuY59dZ7Jm4sUYs.Igqsen1ZTA688weISGb5pSoJcCx81wQzCiGvDN7qrvZuRlxU4jt032DpY0XedlxthJGiOOFiGdgcjY3xEVnQ2DdW6p7bTLSMW6yVyMCIgykYnTC_vomShSjxuj.uEL.w9V9rXnsh9DDf3NGAJi.una8kZUYun9KGSlbZwmE8zhVpgUriUoghekplKjrNgaNFUt4QDoIzeUB88hK43y_0KEjbvZiwlPbPNoY1mxXo1rpzLsx510Y3QrLxwT3Xo9YpvzCjcF3xv6b6WrA9ywFM9GTpXJF8.otTDmK0Schh5GRZJZOEhUsgnpKfBYIr0BRecg6ILoOQVvc24WQlY2tUxJSjWSMNiUBOLtrIqdjas34s4TzV6.a0qUzikknmrZmVYLi8N.vgO6BOC9_wTCk2Fe3LWd6kD0IzLC4.daGsZKKQJNQKXbbuwn1C7mtn0212GjuLwhOlEw0ryLKqrFuHX5vW8tZHC2X8PwRpvALecaSQ1t3ZSF0qSevgH1HlcU4nEaojDsdPGYf_pj_.ShznFn3Dr5cYlD.8xWQuHq1GEy.T9IeznYp2Y5nTwM4wwffNX6Fzi5Z21JRYl8NwYnKhAEaSiOizm8cy9La309qnjVPg7IhbetGSy3fdKvyRVkMJZILKSqTXNidjshL2ud.EKSxPuDZSWUIzhRK_UIeXSgWSfRcnPTeQDObTsnK4vxG_FgX97oQFH5r7GrgIYF8GsXMOp6U5w.6MKNXKjyz8lprAz0ELNEgF.g2shkEml_gzhuLhR8lBcwnjYuhSUQ4Bq0.kbJBmGTEMJcIMo3X79GO3lN.LoIncMlKulNa0uCKukADCs.irt1nrJVWxCDIxTtyHV.pJuv4GmqPr2Jd09dPf6N_mN6ILyY5kY_yRSHfvyuaopf2tmLawJfTAWJz3I_m_Fw3d4c6PYRbVsP0xCS6TtNvcV_.BElUcL3jpwbQbJkBSiORnT8pYqTOTtkokuwR7Se7psxMKD3os8LbnqcyDJcl5elRg7AZtcjg.VFTo.rqjTlL.qnvsQoX7JrAO5qzz3gqKQSyUZTZjsqnaOXEaZp.3mfRGLnYNjzMKpU9LEw55f6reh2rD5Dr0YzfJVO6FqhkSc4Iy4rrFJZeX2CIcVbi5zn6SpBROyjCjZXqTjJakX7w11kQ5JotJOJLAP8.x7bhTz768mdu9WE2QW3S6yPjCgqstk2xAxAdnjOdt3oZhja4wKkGGTCzDq1nHpgdKaOK5tfhH3SOxxPJMmKKcw321Yemk4G6y6kQlidxqqfXhJfH0GgqOuoLmwzk.1Y83kKA1lUxsQBIEV9zVzHv4izRkxpzYbwc5j7ZKn.TtfhOkuNS0FqRgLczjFLuuREazLjqGw_ollukvkMOBAJOq2NkQ8WXONbo5WwxVCoNb6PfM4UzueBojPbdI3_MXESJOxiPFOOhrtAcJ4DGPF7bx8ZWeAvPiqm9IGwTDYE300DDuP_kwNxTf4csss6rNELrAHhjbqNm9ZdBuQktU8o8D6sNpua.USR.DnalN768XoDIqtD9_57G3iH5J0WKFiLkhU.Ek83aA4iAglI_jxDKHigfhTX01nNk_e_q6EGpfBM.eLKrFtw24k5gHgPXXENJPBLBQtKzOvJAhg7CkMBezvRYH_zCU44qV9LApdW6o9_5llhAt6XHHImEoeevRnNY4wmg2lqpp70U7kzHvzqlKHiowaf2jCe0JxrLZAYB.1sOimofXBoFwo8Pp4kmNjCtnEMyGevVeUT.IpLukmTHQ8L4DTJOP0Sh_yZCptCU9z.ubIxi7hGtNYCgjNq96qnjuxe6bE0qRNXJ1kbbmidvfFu5n_XOJ_feSNXJM7YAWgXqi7CLjtA5Jz820A6BW5TreivkgOoIVNsHKALSmqBIGZme5y9qpHz5AlF9_P4LiwZX9pSRDsRJfEBZlFYCUKh9C3Et3mgp2tLgRGy_uaeof.lPD4HNQbdsyxDzi_c4.KpBfZ9t2WtIts52iAh.rYWMM3t8aS9StwKKVji23peElz2yHxeW4hNoxlvBsa2H6KC0qAmi_LTud6CalSWAw7RkponcpqGKZHdoWs1zZNnELWuRpVag6ZUqsTvDspl_xiHyw0KgKhN4ZRi",mdrd: "k3YzMYLqCWtrWBQexk3.d0YRB6tCxODPkb5vJHytKv8-1739099998-1.2.1.1-38DTUCjXyInUIQJAaxkR7jrInVQJ5Pu2436OKPl7NiHwT7ghHvhlbGhFeHZHb3PZ4Q1Bpn8SQptSBElVb56D11bDLTMAQFO72yhhfTx5z3Wv5myFS4nHOSTvblln0UI_e7qUtf.iDl.8svbnWp_joM0hwMEv6udle2YNdkSN.26oyYWdQyYjZlbBhZFK2vwql7cL8_HZ8OVWhCIYfw7WzRBiUfOGpR1AkJFy0tbMaVKBdsqzwz.uw8t99Hg_IrPhp54lKQmWP_AVEGhg2syKdbW3jDae2pvuUPHzfluVq2R.TYxgWtEC7_2KvOcb8eA5suvXnFhrKbhhOAUdrmvcq7k5SWRjflNGPsjPPT0_AVbQvg7slCRoxiOyXBSjtPkxnCQd0dilrz.gXdGs7h1Oh.5Gulnf47F7HqLTioLEiSS2U1wISFUgOhkrGx4vEKr4VVBR6VoX2qm9Ay8JCxC92BLdcsOcLq7qoNh.lbmmlmS7h49Skqrd7tAywaHSiM1vB2F0hPuCMITvEb.shEA0atW9TonZ3E13MHlf3l4jti2MlfYmzcd4sGiCSTsFfrcopmBH82UjAOJsGUTY9jQh9OlqKt6TeDMohqkh8qqrupocUUJQfZNl9L3cEqhuB_MyBWhY7.gH2q9uwxO5l.OzYbgNc_qBMgQ_5O.Rp5s7BOB0RbPqqONY_45TeDEVuugenY2gEIg8hVnoDLZ1feL3EVVVI3Cff6cw55pcdq0sETdobrs.rovH7vZSrbFGzEpPDMGDEhq5Tw7SdQYtOs1iMp5FRKkgTCPiXGPpl5DTZd3mCDv1PqiliZSu3pSW9I7wzhCbogvY34XZUT7pd9IpsQqqGrtNp2wGJImlt9v09biYJLm4q1G0L0rKFjs7unzYXr1gOGyXcNClc05QzPY6J2u7NNOo6qrcl.Ylws8.3WcANyDBJ9plyJnhfwBXpLMViBQTQeFHxMXlvRaA1c2ShL5PZxg4jGYgDPB48Zd4qLUqsACeJjlzDkrxWAUOR7nkPLpX.Ki2vlhVrVHfrEcTvonpSRBxZ3z_TOm12VAQtVl7M8cZXkdZ5q_BO7VYzKs5dvSB76mPoY0ey54oojXGforqsxutTnfTP39TaUp8bYROhAvYiDXA976ayB8sbpnsXlBqDtZWGyvXmlVceR3V0wRljfLKty3N58x0ueRbVzN8.1WZwVb95DoF7rneS98q.tzFzgMSto1XR5UtFXBS3nLdS34gRysMpI4XVjst8qiVM_CiOMrb6jbb5i7Ven3AehycPAcPkcAD.eLEPXsSER5oyBe8IJQrdIEB4QjuQbF14tIgktXvG6as3fXdlyAt_4m0V35do9qbUeVe.jJkHLmjcaJlDuK5l5Uu56XTAbd9mx9K9rFUynRXFcBVh0FgbtXh9NRVCYtVQ7VXoByPsAuwx8V2MBrKR4t_nqoGC44qAX2zK.vbf49ILWnNw7fExJtgugUc7q93N5v6QHIp8wZVVe5xo2cDPK7GNepKeZyNyrxefRZFSxEdm9IgFUa5XIiH9Jw7phdBcqBFkeO97777JcADBwzHokSwiQhNYV6wd8SYuSNvu7BpOP3ndtdWZIQWYtbaRtwCrPhQc_OKIVsGt3F7dvQcq5VDwS4Vj048L0XS_rr7uOhfCwnaqbjYsl1XNnmoc_e.y_NKoDQHz90jZ7s5GDp737ldb6wXJObY797HsLal9KAHo71MuOFNLRckmC4mzVgrHonB53VYRWRytjv_3F9Q5H6ZAa0HyWuQSJpN4g4RZSxMw3vQDfFjk9uXQx2zJoYgYFpLuD16dUNyh4m3LGVLElgX6VnGktk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f377b0cd8b5908';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\/8473156902?__cf_chl_rt_tk=ZVQBE5nbULa3AMXMX2LCEQSgEesKdk37ErrkOuvvpu4-1739099998-1.0.1.1-rw.fRt_tPZgv0OgIpZtdJ6JVdtO_Me.X33OQqISG7y4" + 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