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-632266529075.mit-edu.top/post/1398627054

  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-632266529075.mit-edu.top",cType: 'managed',cRay: '90f7cd2a1817c591',cH: 'X1jBQhQptRrJZOBMw6hoC5M30EkqNc9l.X3g5yxcgzg-1739145442-1.2.1.1-rVWi.lCaH6dZxBrUIybkUiydd3Kh_EPjMx4jo5F1IgnqB_7vI5ieIo1Sr1c9R2GG',cUPMDTk: "\/post\/1398627054?__cf_chl_tk=BYYT8AG271EPHZ0.eS5PMNGK7nDtPaAq2xFABYPaN_E-1739145442-1.0.1.1-PXKb37LVTIGuTmVLg4XKiQzuLXAHK33_RTpkLc74QCU",cFPWv: 'g',cITimeS: '1739145442',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1398627054?__cf_chl_f_tk=BYYT8AG271EPHZ0.eS5PMNGK7nDtPaAq2xFABYPaN_E-1739145442-1.0.1.1-PXKb37LVTIGuTmVLg4XKiQzuLXAHK33_RTpkLc74QCU",md: "lLp6inU_G9cozkmJInkbwnVcB0UjzNOKiDrcKG42OAY-1739145442-1.2.1.1-QLI8TVFCeWKMAi09gAgktedifLKed7t3JHFNRfAZxi54cOBBoHnxgCwZxYn9NxonooHt14EFHEgVjeYIIjlSq2ZuuoMBza0Q.b34xLuSxPD3uIlbwmumlG.rZe6gAHkIGQ8WnUQzKScWZKLQwv4NEt8Ct.Db0vs0OnrNX_thlOsc9TLZMxEyCim7yV7Zs8r0ofJfntfpSVlqz8fYjol6CJ6uvFeDSe3DsWQKsBjG6rsW_nHZq_Yq3DA4r0.xS4dwRUMQsffI5pz5TZcoYzfjd6D8RNIOjPRecqUTRLx1D_oMFEdayAR4OMguW10JU5n6w2YBtYDJP7Ubb0sPuF_vP1XDc7O63GOTc5mkva6KMDDTQv_69CdkLeLO2IQY8QKBqFsqeo3lDhbcr.Fh9KY0TwZYXV0ssEf9oRInGeX8q6mV3u0ZaVWnL.ijW2KDUELh0bNJksQSkPuOStj5NMjHGCKfqu4f.2xsJwZwZoYV2GZmGt0ooKTsy5lN2hEh3XKsMYdEGKzjpTB0a8m7PY9U_XDh.Ljudx0wiwOxbJ4SuHx5pUuFNH3duy.O6lnxWoZecWQQ_m69XcAcsE9JDH8LxGDQRV4SwEg.2A.t4qJB_DF3l3z91zivjsGRa6Tkia2TmqOTlinNBF.PKif7ZY1.QQMJLNmQU4LVG6lR6In931.iYQQp7IgDp.UxzA7oHZmHb36nG3eoGtSol9mwOg6FJ9y5JPEho8dNtarhiA2RO.vIcVxrqpbjLc5id7irq81b_6GtlEgFgpVSCdhuD2xDK7WC7xIwEIsZMyKAXrZ2fzQd37TMEbgFsEghGGJoqvKFL_DcPbENwqtBtCPR_1uxvRz4Ze8rtWVvL1pXdm570bDnvWPgLRrF2B9_SO0AVxugRpXsaqZeT7Tr3iXmAAL6Xh9Gpr1KXpBUhk.69r01ucY9.tkCFUpDaI7EJ9mkV35gUVZ1xW0Z_iJTGwtJmzHkFup6z2zGgRXpXLBCZfuE7cnQebIpRLvgAoONvcc6bzAEXp_2ne7grex01aCTH_XJEuV0fdBuuJOzPZF0xAxBbY6tmvtV3QsbP27cWtI_IRvGlX3ZrNI6UzT30MMZonaC_qVO60vDcIwQwfTh9he8wlAyvv9olKe6rHbM5jzyFouvOXLtnc9VRKB9jOVM5vJAPZiyAvIFrkrcVnIkVervJJcIbJl2XTt0SM1ctsBX64TvHSjpQefUN7bd483oIJarXeyHBwSkT9lVx9k7TxcLfzq6kR_LV6FXnzqncQWynbBsIN2nhkd4uQd8LCHeLM7DGBInwv4uEQb20vIxd99febkHBjwpdoAQXm5e4CTs2s0dgwB87lBFxpNiKfYwoKOEF6YRQSjoSTff7_mzYDGn.6njHO3wczZBLUMUNZ7D4YsS.gXdwp21OqcguN1hEilWwD_90dUkYUJdxKq1yoc61bMRYoeCsRfXzzfbQvZSHSdkKgPRwB618BtOYTa5jxOA1aouHyecjumWqjGnl6_rR9S..1OvWjrk9eBHFFBxzALmJXzTOsnUE9CsWnwQermm1ResjMhHXyE_ra4siDkjtaUG0Sz1XUaU.3SjrRA4m4h5YtxZy1cX7eY0cKr01JHyZNAev_nFhXQCQurzSsHQFGAgLQ2Z_crAUZUGkzck.PrTfXt1.4nAXnQm6t1RPmwW_7w6ucWuD3q59P43ggKu4g9UGFHsj_sRR0BqbUIFFRsk0OM_Y9.qgb.7gYq3XdGa3kXqyEtFrhqIvY.hfY01VVBAL5djWdhyA692FPogfHd9lTTGXT8npk3x_Q5iAvzNmorc.s39FkYHTfhEGQxUEkYKcy9wycYUI1Mbld8aX12le05V7JNXxNj_agacKqiGoEtug04dyj9YWndM.1w0IWD2QrrC1hRvu8YcZ.yi6tQvYYO707oM0NNOH94xIfnfUAJ2Y.O..sCEPOz8COreIcZpXnnDiCtoeWzAnVzbx7z11ASiaN00zyVEA3H6BES0f.gx5a3SoPi8Ke5qJyT.Gu3h3u0t_VjgwlRhRFSFp83BRbBfvtK_5mLlP8f6MnBfZyEVJNTLRCq1dT4yQy3JOq9Kg4fzraVVTiZ44wvupFCFYrrV23j4yv_zjFFtvzSu9SBs2zQJZyojDA9agdQg5MerGFbseB4tFm9D8QYUASgyfh2Lhdj_FDhpkOXdm.k_tG4d0rvS2I2VdiwZciq3WekiunGCY03NPtRnEqqJFMvQ",mdrd: "r0KFURLTBN6gApBzqHtnur1XzgBrbq4p.rqCyFvk8Ik-1739145442-1.2.1.1-HeKcByE_hAlG.ZUOy5X0gHkrXa9rl7be3_MS4.gHgybEnyY0L8EFyBNkaN1wO2HWICYw.O5cCLjwpeIzhjXOSNmxMwQP2fe8XRcNAcNaKYJFX87tCXbpn9ev8ksM03vN0RpWEc77Ud1XZkxHevvrpjJlYAsn3FNv8ssBFy_ChYXvd6UCxOQeLjoyA9cRp_oylH.hkbuhuHAkUee43C3JyGNfMRb6NzfZBiyqrihB.tnCzSio9a4i2KqM6Vlq7Y2egOSWXjDsLSSU3V7fFNXktPcYcp0lVjKKdJYJueB4qFeqHQsR4o7DRMAK7EOsD.ZRs3OSH8dLv9h7ZbxpfPfF6rmxv0tJDBkgq0fp.g4qA_ZjOYmos_poD3X8r82Wn7jdv4diWchvB2T6jbDFPZTCs7e3mzayGy1oIoKU129ISFTcV8RMv9jYWUemQascNRk_xiqllaoIdO_894O0scP4yTuSp4Mkyds7DBRXmdFOC2HFejYIjsO6sKmH3eOV5IjgULASq5YUzrMjOSulPhJvTZzc337WV5ebvZdEHPZvrXtLyG8DRkxR6efFTvnyMHXEGc3waC1JDJGYD97pQPOufRaNI3jTwagfrbFJJcy3y42sABNAoViZ_mdUiqJ_7WfkAGCMtP4GaYwrA0KunDGUTVEdzu.yqEJo.Cf9f2pxCSMc6qwUe3jr1r90euufjZTc2cObPg6jt0atFRZmxm.jyAdQf.6Bn3NUhcyTs_q3MSrBcybLktRXgfAYtOZFNUFq5nj07rj1D9J_swJAvFjIFDF0dHU0n5DeF2MrehKhl4blNmXBkpehJA1epauJHEYj8ZJ_TOd92wsQuB6leFX5lxZC9OGaNUPtCKSNQgUIA_EAReoala22i2ddstLxkWYM52LTANODfrmuJY9.F5JbN._jP2oY2i7.fWCIpTZE1mHLZ6zXSxTS5ZsIuJ8WAvfevsby4Wo41VWoe7f923hppbZf91FwzS54BlBbinwAh6YNtMdicg7TQoj8VCfXRYqaU4s8XEntuf2opn2uQLhhj1DHNDacn4socfiXEtRLNWH08DCvJ8BKRlYOAZc39ABk9kpQxX1E_.v91zrt.Bmy5cJHMHyFBd1pzt1B_MA_0vMVfOQlVcBS_2prB2xHiqjYxN5Q48qqNc2xLgh0LsujYkOMxi4wkwxidX_d9YP46ooFgcRRfnjlIe4irXCY9L.80f0wr5_tIQ_2WbFHF0G_YGeQVx40lWbW4vv3p4xbS3xy2pmGbJi_mJNQFRDjLhc.3n2FO8Sv5ze5PN0JsX4qUjitQW33.Y0w4yEyL2SZBe9vii_qqY2Zi2x7EV_l73OHWqeNeVAuzsIKjhBLT0zOOECsSSf4o_S2PhaOHVGMXTYW8eUhdAhAi01opz2skyAHAzhtQBCQux6adoWqL9_nik49mnCWV0KHiesG2HJH9VK0PEx1Vn_LdscYxEvbCjHhmCYSO7sqw_nxkx7WEs.0H2qycOhO9m303Cr8KUDUhwhi_yEpMRPNY7G4q7mcGZHws2lqiBVYx0bgSLza6ifUUyznhg17vpIzHLxgqbu5JJjWX6DUfB3q8iKeiKnis8cteHMyVsJc7PO_Kbw7cFjl94biNwsD6VxPC8n5Oy16cP0twP.zzi9KocNNsVatQAjJfwSV.k2vbkVR5.3mkDZT4Df0iH0JKHSuNBnMU9i1PuIqcO6MP1fFWyzFRK.9SOO9X_FNPsqRsJCeGSVe_qPJ..F1v9Y6EfpVpn9cGXlDxlYhicM2Rmv.QmhAWr250xL.9.9Ln1JmunnbV5XEiIf0BIL6JgZszF9Y_w1jRc1z02s"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7cd2a1817c591';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\/1398627054?__cf_chl_rt_tk=BYYT8AG271EPHZ0.eS5PMNGK7nDtPaAq2xFABYPaN_E-1739145442-1.0.1.1-PXKb37LVTIGuTmVLg4XKiQzuLXAHK33_RTpkLc74QCU" + 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