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-722982415230.mit-edu.top/post/3598746102

  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-722982415230.mit-edu.top",cType: 'managed',cRay: '90f61f262b7907e9',cH: 'ET_W.miNFsKBPDBJ5jFI2iWx9N_lHsJA3YFu9UQCD7M-1739127829-1.2.1.1-_AuSXkyflwAcBsUnX5iPUg2ZnH7LwMWKpzUaI1Gzjlp8OBpyQ9kKDEp2_hDXmECk',cUPMDTk: "\/post\/3598746102?__cf_chl_tk=Hl.XpMRbjO8DCCHZW4DhQvglbTDLXzmNfnOD1OMV3so-1739127829-1.0.1.1-dJQv3FBpuky8I01dJCfo6tM_NMY.2bF2k.UuxG7WNkk",cFPWv: 'g',cITimeS: '1739127829',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3598746102?__cf_chl_f_tk=Hl.XpMRbjO8DCCHZW4DhQvglbTDLXzmNfnOD1OMV3so-1739127829-1.0.1.1-dJQv3FBpuky8I01dJCfo6tM_NMY.2bF2k.UuxG7WNkk",md: "9.VqaWmuh_aLxxSI3wNr12nT4PqP8LJGoQJjqbR7XOY-1739127829-1.2.1.1-XPzbBoVPXu2muVeDrCAcvq8ZED8IdX7Lj2vYhwrrMfNrjXyxXJxJC18s5a2iydTxb6OKvpEY5.2CDLSMTL9J7a6OQ9P445lvpdDKVguNi5bW4z5yWrSlEgb.nIizR5OdygHl6SIg7ik9qlKGrQSkEn6PByQ5Y1ZQkv5rFh9NQ9KIIMrFXmd8axeCYBsd8eEDaHO7VOGfaAzcxLEQmaCdxSJd_QD1frorKTetbzt4pK2yvIQ5anjia7veSpWgE9V6TWGGtRIKmnKTEG67MqkuhFR8X_THsWZx_wljZIsvhMNi5X9hNI9_e9RwhYA8Eva0LTxpV9.wU1ukBSuTUi3.NZoisTGDyupEMKgZNCQQbOINLnaHebv1iY0jMxlDUzvPiF1cSGT7_OjGu2BqJLwdH0pTfx1ozhLR80c5Ustk0wmkAbWGFk1fXqGuedgf_I0WjLYBqDgvlwMDAbzUIOe0rhuHa_.2b3SntunYdwC7XQ0ZzZIPCmB8nZIyfl_sz9soqEO8P6ujmctUSTDTWZ4WTLTVslqLqwYT.CK8cux1ugRrMBa_2jq5L60QrorzSZaIJWXpxpUCfvD_y2sIwjYRjS5Xj0eiZ6Kceb2Udh1xZdttKrqK55DzCRv3WC1XpwDd2recOhjybY3BlQA_BJBaMx.D6voetasF.cuKM9m4t6GfOjvYj7cDseroDyuP8CDeUv4xEVwDhJDLXRldIp2dnakrv5rKSSlSSmtm0K8G98A.ye324biAIjERX9WaAcEYx4bbUt2OR3LOWcIzxGuzkeT1Wl0npUZnvvu_GVjh7Al9uvEU1RQ_eM6Gj3RIUkCVmdfCFoGQIuL_t85Bsl0dzME6OBvCcfaCegtVgyz.xaJKcCKXjZIDS8Y95bEF.s22rKI72Frcibpuzg_rbWlwZAZ0J.nFXb.Cai8oj8qj2PsZqpzqnhGaugN5KOm6hyLNG4Ac3dvMd3sn6XwsQkRJbGU4MenxsrTK348LJJz5rUH8QSQEENNV8tfhtfCCr5O2ElTwZ6japTwmntdUde0OxAnWYxY2CCCWe8ymDv.41o.MFAlxjOiXECoXwHDuErzKI5xsLXAIBA7Qwcdzmy91SzomCWa3QCpiclkbB9L3Lv8oCCe8C5Ep.uhuYZVi5Vi9yW.779JVXomavaxL8a9oOZpQDnPqssadTH7jnbYHhcZgNeImakb9QWN3APdgmmO3Qf2pBX7M74v97x4gXis7i178GSCcEykwn.P7PoY7ay6EVZHg87cG_2qlpw3af6lAKiDlmUEgze5OZ7NEGrPNh89YscRrBeIf3TaTAo0ah.t2pOn9eI_ATLzL8cuFaFOEEXKt5mDnnU8YS.JV1HDbYShX12QTWdX4jflPNvwsKicSg8TbwPEnektrnts9x4uIuUZdof1CyiaXfxFjL47AQFLKMvAvQCTYi7Flgb8rMg0qiZ6_qHkV_B0j7oGgWkeAdXfLmMV7AuqjGwJDm08rseLNZsz_0__h2wWVrVvJc5Jpc1_DahgeEgDvT7EZjOxLbOV2XK3YSo2xsisSSOks3PrE95WD0GEC445YdjDG8EAYuJrw4JWf.ok_bVtf5VHuLQ7SC83NDaHvtwUi_9MZczQ2fAOelgJkz.arxsBtzB7DaPYy9rQx9B.kwH63NGPNA1NQ08.jcbCCBCrV9V3.J4bPOHjzVAdEVVRJDbbufTtnhiNawjZfo4FC2BPiVl_CHVzN1BlBw_fGWLD3ngMc9ERkEygsHzjd5uJe6GoUh5b2fYUYLPk9Vn7.6NenlT.stjaE5_jM_5jW9HI6y2CVxaiI67f5FRxJQyOBf95Db9Tk5glF9Fhu.YJk9BqVsdUBKlK7w.Y6ytPBmBWAoLS5ioCWlLzEHiUFwFXadNcEOcDL4tqS.45PrbV6Gxwe0NF47TJDrv2zQWGKak1O6l5isibXqzoY2qHqOAquDTGVYF2OVVyK10wAtHtmG.lnjw8sA1hfuFGUQkaxKKtkp0yiruFdEiIxGHyV0xRS_4oBO9TdTI47oSwPFdT8c1V7igvFf2AwHpMGhfjz0w4dDMzQifcaxVTtmTUzJYlJAhA2XqzPMX9CG9vmjtVnml7C80wtmnelC93gvAmZ5XgurE6IIZ7Jsod_VsI6kUETCR2yTmAXrS4u5GprQ0qwSHhfWUPa6dZjppqluWE9jXVCtyCrYtTWhROket6XFAVlQvDTq9Gs3WtUe7MG0aCGI.V6hXSL",mdrd: "Sc0D2kx8_vbirAmramK6lIfz04L0r3stcyF5WwmqDHA-1739127829-1.2.1.1-IDkDzMMvT76jPnZ6z11m4PPQy3XpiQw_32rseSFXKNe5gr6Zi_ttW4z9U.lb7tj94whaVInnlX1lbDjA1QsXBDEjCd4mXeNM6lru7WrS7fHCeJk8udxBbfm5zbkHG4qVOOKay8vDKicb4nUQhSscOSa34FH2C7fgYBzgRU0UwHmtj3FMfbGXapxhdqJbxY2uQM8RylbIPeMg3hnlUnfHsSv4.5BaZ8oHxSySFjQXOszaLU6HK2bhLugVV9.7hIqQ00Q.E7tNEMPmlNqvPpUFWbmsgmJzh6PCY_DRvvBXUi9NW4jqqO9IbAOuCxQUFPOgD.w0OBkh8bOYZGI6bBPym9Kd8zqOSt_y_6nrbskOCfJxR.EaEvvPC7pj7jyjR7DC6CNPiI6Jj5whfcxeoeS1HMDidwY_Q_np7S24lcSrCy2AciElJpM48TEMRwnBVFmD6wZSR4Vfqf7PGmAHM_tKY4QPGbH0eWbP0NmGpo2GOb0sgOFeMhOURLupqFPCzNF4AMuoa_jD3bVcgrV_3LjBRIKj5tpdNAkYB3KsLdli5SKVrFTDdp6db3lZGDOBZe1eq0X_.etuWdxtzqzWCuHj29OHGVTNRfuzbiCmvIPiByk1A1SP7f.jBcK9ihcSfQgtoeP8T_6YAUqKZcS7YUAGjCqm8lAYE3j0xp43pOum7q0cGrtGugmeUjtGmR4xRwKcG7_ri90uZSBLIyMD1cjHKc67voaYF2_6qj21lO1ZzPkAPfskabOvs5bR_cr69CdYZi3cyfbdMWMZ7QQRlA1mchl23YWYatDYr6ItibIzIgkH4ye8nTODHd1aBRPas36lDltFIKwyVaimD3Y95AWxIkgFy7NiCBgSjycNkDguIaVe9FqgB4PADt9QqungItGwD8oQM0JryAGf4kMx7qXI6mioIH3Bz2_JBPHYcLGGED0GMIB.XB1UNeWElnRqmOgH2qb79WjilQVazeiFM7Jf892PpIKFGXIZa0O7Ale_m0oNiCu4ludWvEqiWJMCX6dN3fIO_zG5YUivzO9m_NajcwzW1AcFoLY_6sz3dF_HNe5LTrIWJ03nqJaagq5EEdKWOdfE36j1uJM2NWbkG4n3Pb5OVS7lJann5mi1pag43eKZaA.Eg.ZZiC4zmNxRZ1758QTwC9XBD0FvOHY1r35pwU7oblJ8oKHT1oUN7Nb2CDkbN3MUOLboXJzXBUkLW8QZc0PgYDftExu8XdYgFka_3jRl1ktxDSajPdBjnS2MnciO3lFyV4goNrnP.OrWNeyb0nYZ1Zbr1gsOq5Eq7C66C5KfKKxfD.DKaIcIHjchTgUDssmQ0UlaavAjib1VtlKIGuqTPTwM_rq719kjKI3bELq2udYUVQXNAdVzI510GUL2z2eOx.e.gb9nOoxtYxJGANiOTzke2n1HYzCUZgW_hGFB7byrMEjz2WEaxP_5TCbIxMc0E91MZ7Doa3k7VHjsEriTQR4MU1K4lgn_vl9nuzqs8X9SPIewmRq1DeKkF_XWhaIZ73PSYIrc1d6IgCo5U5IDHiFCSHlS2e83K4k7CBtNaGXUIMvWf.EDwWU3mm54WQiBJ8U3QxV15O8JwXkiO.izs18K1_ELCzQNv5kKK9GIlLn1JfBgGBPGMt6uIMJ0k4_yoRn2QgEy6BC.DIgZ45nHBr4kl69VcZwLuaHx1EZc3YmnNvrwdeun94RFFY09axmMdgYzLSzlDdfYv3md7NO3FOIZxRsdvQTZUY.I_nNQlgUMwJG0Xt1HOSmMsewy6PNWVCryTtojiziWd52PcFeWvpb1ORNHqbPLrnydSKlen0GgMkMnO1lXVDXCLzw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f61f262b7907e9';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\/3598746102?__cf_chl_rt_tk=Hl.XpMRbjO8DCCHZW4DhQvglbTDLXzmNfnOD1OMV3so-1739127829-1.0.1.1-dJQv3FBpuky8I01dJCfo6tM_NMY.2bF2k.UuxG7WNkk" + 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