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-328247522215.mit-edu.top/post/4062715398

  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-328247522215.mit-edu.top",cType: 'managed',cRay: '9110567a4abbc574',cH: 'Q2Kdrp4NwP7na18CvVVEcH49l78aImZ7iy78ujvFqds-1739402725-1.2.1.1-oSl2C29jxlK8Ck_KoLHrK.ybFpyPiFYkrvY9mtuL2IbK1Sb_ZLcX1A_XRuGOiJi3',cUPMDTk: "\/post\/4062715398?__cf_chl_tk=sDrXQXKnsqncBN2nOJptACrjPZ8Xg1pnj.l4_ixzHzQ-1739402725-1.0.1.1-XTg71kDvOmXeue_pbVqlsp7_fPQ4lFI_Y1aap0bJUyU",cFPWv: 'b',cITimeS: '1739402725',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4062715398?__cf_chl_f_tk=sDrXQXKnsqncBN2nOJptACrjPZ8Xg1pnj.l4_ixzHzQ-1739402725-1.0.1.1-XTg71kDvOmXeue_pbVqlsp7_fPQ4lFI_Y1aap0bJUyU",md: "R_rPukgu7D2EBpgamTs6_zxgRRvq8vTkyPn7.4yCMIs-1739402725-1.2.1.1-ZF_p2QxBFkq7bse.7u1SrgdqRDUx0aG2Q8oHroZRRGnGicmKsSUVARPUtoHK30c2nYGQtRjQaiMieFXs2KnTJFSlNmB9.BB7g3tFNkQurVqSlzisb.Tja6vslZWPia1sNuqwUzw0Lxrhq9O6pa4EGxFTl4VcY5SQ.zoA5b80nrLp73dw4Xo6nrU52RYtcIx5TnLo.IN8SYbUifEi0ay6rYhETLXC_.EtYeVC2sYIPJMt6kGOTsif1ZlaAAkFTqM3hRHnj8c4aGrbBhJ34r0nkvqlVW3Nkrq1FCQAiBQiK.JOc9uNwCWHW0vR8kfeYqjM7yvDlpupJ2GqcWxycV4Vp1szXrqN3lfsNzzt8RHeWEdHaDVBbAaJlEY9amRXpl39Cwh7VD0lrOgshOhFZ6nnDoPC7WjOZkY2kz55esPGdjxZsMEpGWLZHedWz4w.DpS18DZvlkza3vhscSwgQ6SdrfzszYcNw_uePAI74nZXHlQu7j_IMyigZDkhsWmcvo1WPozf54NNw0JI3bGQs1hDNJzMO6Y4OT_HAtH1QTKnaNP2lEagohCELS1hTXe.tLTKT12.WnA__gWJemJx3_6CCNk_k0sejtNRAvR_Xl5DTAr4kgP7yHwXzUZgg0I8fd2PgKyR9NfqCUPM8mPsTiVT_6bcyRJc5z7BpEgwqp4bku55z3OFZhKXqe7WqP1E4juvtAK1Je1j36zAYUjkb4PjBBAVKsaUlLSLWQq8Sj.YDBx.l1B_RT5s3zJvmFWfAhWEPrRAGOY.Wc1ONdRnXuo8.aEJX9Teo2WdAVTbN_9iEm3IHrziKShsbmy.iGWOpLlEEDRElfXp7JpAJAe_j9x1VtPd2xGpvD.unSunc4du3Rg_jRFRevK2NGMijfkr3MvD1SsBv_GQQgn88PgiOmymmsFxW2PzbRN5EULmpgatkRl2r9btE9rS1ReB2oaAkG1LhWDMpr2GfNN6QSZrk95dwzYiCwhD.Z_bYc907xrq14P37hoc7WIDYD0trB4X.tRY49q7cYB1N7uIH8u8baDlrOLph4gvXmdMJCeDbkXyda5p3xhKPEI2SbEtvQ_4bWREzcspRYCk7zim28SGDdhbbOrHmesayvIjFoLZUmfJifkE4aV4TgucNQog76j0ysjSOEs6NNu7UdQyrdGUPFFUT2woL4LvxH4rudB5uSmCJ_jhomwlI.X5.4X3SFUnpqSIR0P21JxsTFLtpLFhFzRkrRpsLPQwfuWm_4O4piqPjb7UkV7lbPCqj4w78JplEbGB5Zi0iK65d6BomIUrcm0u176BpFP2lvIGOdckpSK77I.T_B.VSuy.dtvm9tbmC2RP6mASbAU1EC.QfTNpgZRurpHP3j_AL5O4yRDd99QnLZD5.Ol3LUZG6hhC_G7Q.yFIh0aeIJ7kg1zygo.MUFs0wVOmjLPmPilGz.vb7VYbKRpBcMTn_jvBPOn_INVcfE44ba5bR.Ez.DsbAjK8b.hP2q5wDcNOGNVpwd4gLRx5USluPX0YOBQktuqXWJesjA_6j2ReOQ3kVCcqotJ7LC8JaiWi.RMsrBCVJKyvmzBEBL74uqnbSc3HMZgusZw6hdlx96zPAy8Ws9cPytgUX8udt7DsJCPrt7ArRe_bdvD2u154PggHF0miRj3laP20qfl3S6tr1JhaCPnpONQxqDFXUSs_EERqs9k0TQw3Ej5ZV_j7OmLdAY2uLW6zHyi5FdIHX.MdS.qKz5Vr6pvDxq.YQEuxeKIMyYfs95ANJzXx2tQPNc.m5IjgwWcC8qSTW.ZkFp3pNYc.XOkOKNX1zKq9gklmiHKOqWw_.qzXBlHDcBmGcXVTwRZE7AYaKuu.5J67XF1evKiEttT9I_7t41.e0tTTpE5woWrXVnb_t0MmnAkp0.E30jeSNEt96yQ62gQHzNmlbhgTOr8Np2s0e.iK6TfnBg8fQtOZarVUe2TynqlmCaObNucopG6G7gFXjLwD_ZadlBvz9SfjVTl6dR0UU9QFZ4vtxuJZFsuuDebxoHO2O0zsZcmRnw4GgMkzMnIFBYYoARrSBR3l8wD.Ghj6KsjvWelUldf_xBH1Cc8ZOmehJrE6XlsR_EClNIZ4OgiKYyfm6_.ISsUmf3NAW8LLklEd49VRlaA3.a31WD1tNGi8mKnpX_cAG7iUFyBS2hLK6djESEaLcuRtwiNB_YrMR2_X8GXn4A2kHNUQXsl41qofJxaOT9popvZyO0Ws1h1q",mdrd: "iUR89AbZasIKfyZgSpIeTJON5bGEmEFl5yL.WNI6ix4-1739402725-1.2.1.1-EqwtCh_XTSMf4iVAwVNVoFosFqmNBl3u5mLjpRZAfk9FBhxAp5aU5Was3ZAieLFTd8.CwSV362jfV8g667BbR2VY5QhLULjRJ2zCilwLqCS27g_7YiA1pjqeOsw2ZB6rymWTrPNGr0UgQ5YXRcSbXeoMCRXHUZ2tgSxWiVZnwp7zNBms7BlCAUhkC3AK6xq.f_Fra.VuCPaQrYmJIjA7jf1jEKcx7ldeGjc7E9_F442Lj9pMZnF2s1wqzlHqjGF3HU.1ux7VyV5U16bpEzTGzdT6TtEEvPWXwP5LrZXCCGKPBxtagh4hXEb1fEZ94jHCuShBnGoTegsV9KBWpDFiIbBww_dxpplkUK9fyHFfAkEiT6uG0QnmdmjxPXM4V6reniADk86B5IJBUad..9iAOuoagf5f7FnDfCAWgX9Sotozs2Cf2mv1OKUL63qT0WXiBTaOYLztbjLCDPg_cUS7C10I0vZblBUQUCmIF7UBrTkxiaif08.Ru1kptmGvI5NFvkSJmzMmC6goYVpGC_HqHAzB4gD7F57Pna9KD5iHtT0A6I_Hi7tQbvl1nGm2J4w7xGJa5fTpTCHog0OQ0NRe76T6jMACPa0scn.vZqHlhCOf0UloFE5_e5go1jaxqdU7ylIzP93_SHlmiRTmNwBxhKIggamYMOxS_GA_wGFvvUyLliQvn3pIcSnJcEFqYnkRXhTbjWcqxoegekhgGGl0ycUDBaC1Twf4I7bTP9STSH.NBQkf7x_VOv1AjzwW7Tr3t.u2KGDlbXUPhlb32LVJkvXf5ZEFZIVTK7.vpsNQckOiVHgaRLtwkbTu0YGxBZ7M2LW7yqOJ9wQZHFRvFHG7tL_a7wizGaW0uY5lgNPJtfJ6ZOPs935wdRsNe8201ElXyPgD_S6VukNCKmP7PDE7w6f4ZFBOWSSAR4HbCHu0J8Ox0Fnh08xRdbYe1V.9.1XyPjoxYLn861izCreTyfwfNUEzIdrf1wu6UWIjFjMG59_60o6tQ3eVF6ZPO00yTukFumkWojkdy79DnbHaJpXFKwsS5uGFA2LylUXD4uvahWLrTIL3.eqkxAyjkAdrgunzh_EjodM8nvWZN8BIWtaFd9b.N5H7lxLyoEGRe74Wc0V2Xgs6J6tPdksw4OkQryAYeciFFR4lNIxefBs.yIfaK70mDhew3PUU9gCtNHM.u_TfBUBWmAeBGLP0LaSI6VHbBbCOw.s3rY2lm2u3yQozprP1HbRoY9BgOnZjsuFbroB6LsVNBECiYSKZP9yb..MIhKhTYUL.3cqOh_h.dyjN2haZ2QFdVu3P_MKfB7IvkXJQJaR8N185r0Qg_RTAHfty9YPhzq0QGzNAZQFilq_R84i5qWvxlvxP9hO9VRbgDE8mhx7JBI0QobAcnvvrgr2Njq2d44Vt6Pnd82ZqpV2cofE6CZ0.0ljy2E4KKV8AFLfk9Mwnpu.4MxQvh80bhuVSAIWmr3q8hPf0DBK6DXEd7YdvL6reAS_xXWUUhquLm7vsbwxTJEOP1PiGvhCzI07tKx6.1utpVGUTrHvb4zzHCqoHL6sAxxFXKUv4td2siFdyIt4nbjxu.eFVAWc_zvk8O3DjTnuOpZMsxQADvD2tR8EkFYfedgg.H.m6r2w.FQX0CIusFE6HPp0bm32vhzXXEqvw4ckUFs5J5nq7iw9PL9nVpCZV4mnoMvTkaXwHMyQNwTomeHxNnu1PfpeQS1MpDZeudklBQIb.gK2heD9Kf6KV0uhlxy9nQp5wTjIOJgjWO3Qmc.tSNH4eFPXaHrbMMp.ZFAMSG9gIWiusetovZQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110567a4abbc574';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\/4062715398?__cf_chl_rt_tk=sDrXQXKnsqncBN2nOJptACrjPZ8Xg1pnj.l4_ixzHzQ-1739402725-1.0.1.1-XTg71kDvOmXeue_pbVqlsp7_fPQ4lFI_Y1aap0bJUyU" + 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