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-528749133852.mit-edu.top/post/4625897031

  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-528749133852.mit-edu.top",cType: 'managed',cRay: '90f23eb75c8cc94a',cH: 'yzaUIst6rMM9V4MRscFjbF4xrmOwTGsfk1puT50IqCs-1739087179-1.2.1.1-LvoQP1_wDYuxlrKxEQ5ebKncpd0DjO.WMYCW4HxQCqnZbysmXsrrXlG3qznMqlea',cUPMDTk: "\/post\/4625897031?__cf_chl_tk=7V5ILW4Jxb5o04pac0El.wIiKTTjsWblbC0kJH7MibE-1739087179-1.0.1.1-Q93rQZUqUVmpWaiwl37LHbpWcuf6DtcpzS4bgOG_t4w",cFPWv: 'g',cITimeS: '1739087179',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4625897031?__cf_chl_f_tk=7V5ILW4Jxb5o04pac0El.wIiKTTjsWblbC0kJH7MibE-1739087179-1.0.1.1-Q93rQZUqUVmpWaiwl37LHbpWcuf6DtcpzS4bgOG_t4w",md: "oowIO_04GxgFWVEOwEQUwcneDHXNSSFqiMYeW9VsJn8-1739087179-1.2.1.1-TnMaeVKjF2W5FENp9dA3Vc9l3KGxn15UoOmYrUwsLoX1WLsHN2KrP7JrJGwFuo3wD3YhonwfsHh4w9bvwmKa2ranrBFnuzmsLZ8kVFAo3YgF2uV2Wu91jrbYGqEWlOLmvhTPnhdbZL4p_2Tuu0TcD2Ap0oe3gJqTcZnwgDBk1iLOgYnRN_RvuFCDdL3Shgcs4GERqu00tTD4_KUkG0NQVWndggD.R.9rXaaOZHLfTLlu34pAjbsmHuX2.kfPzTgcjnQW3bQJ7usSDuf2wls_Pky.Bq5VEtAGW4DW847iDDb2IN1i4p6rFpugLzVaPfMAjj9pIEcw8oYYlsia9UYqMG0CBD6uClHrGy8Yj7L3Aky.Fb2_eV2DM_hIpb11oQJHZQ6SWp6uQi9ZzYB3noT35BGRP9bbJbITxJ6Gt39B0zjUKkoTAFAgGuJ.11HHuoc_ZBJmtw1x.WbMOGNNDXvjYWdQhO8v_SCH45IcPmPcb0sDG2Bdg7bQEmBD06RGsmApbwuml0Ivd519wqPjUcfyV.ELD3tl_wyjyWWJzO98wFYnIZ2KBtbrRIUdfSklxv2Nf1hbowlksrdOZ4l6wKnFHZcNENYxkaiJr4Ot8soGOHDKk6Q5dqQitc34vRpRHJwXlL9aqy9tDzyH1D0XPfeY8WmczIEOOQXFLuk4qLH0hMdzAoElsatoUtVIVJWZg.zpI9oN3pAX7dnTQkdt6aFwvQ4w0nDytwqlk8aPnCRxd_er8jCF4nnn7HXoUUNpKV7A_zqmMyRT_wV3ye6c8qQxxxSTq39rxvplDe1ZreAYBgGf3edY62laZ3K0QTMD87oJcWaLXol785Vgc37RuAJsIZRvVntEVYJpjyrPUnlrLlVqy3K8NfuWce_eYgNosNy2zj3bkwWYLOY18uoEs0sGn6Ws7bQpx057_kYBlZhjA1re44sRsVpaKm8LySPttmjiIoES73llGj2f8gowPAn1yHPVeF5IqCl8W3SpQvExPDjJ173t3e6YvEOPl8asrmsJiGgZcRWrFIdBb0GMjA9nb3ZJfNzg6tT5kUX1hoFrSUEo265WCAkExUGnYV3_bLNGmJjuUW3cD7FAx.X_0T7Ner9a3xo.3hYB9sR_OCqsJz95iGHVv.Jx3aPsh7KPR0LbYxAoq30TcG54JJBsySZDY7nwZ4B7NcFvccyPlLxTPBXiNTCCUyDSP1PO0i6C2WvJXHkpFb73eANokk8OZ8pVPF6NPWeGkFOqxm6Z6hiRXLsCU2T9SIp7TAwq5RQBE0dlasZ0bD_Y.z_ZHv9JmeO2p_2pvSRCje6XetICOumKkSnFqjc3R3GsYB0GsbTBQCHiWMKPA25ihe5s.Tfi.n649q1r.GVGGiN3wnsfb.Mr9DvmkJEws_SMoaMtRyr2PpE2zeF28okaIc0mzef9z8dXZdhH1LscEUhvh6zvP9ycKwwub_807lg5aaELLWBFsyOwoyCVPNSIbwUdn2.dUXaFhPgAWC8vAws7IbulCpdwmoUVLVkwK_mNewBG_f_4U4KWEmIt_9Fm48sNpuwf1tp.dxz.fBBkWW16wW8lI97HWbMRjao0x233.KXUoYRh9LP_jM4h0uRClRpS77qSTQuloJx.NEEFdZk43mr5vYSYTF8IKwiWK5zkYmU9rO1XfsMx6O2DUDWlnjornj4u1iQfnELL06H2JOGEB09SAfexRdT1kFFVhyOKe_ghl7gYv3FNLx6yYtXjpaHwKVegucupzJBQpapP1P3RA5xLvE0nLsTwonFaDSdPEeWpVzpf24STO0SsZv.1nJGeDRniOReJu5SkBCHcqmKpZ08SGYSaIY.BK3VCjKUtkQLk__4rdWauWYs7kpQrKlJQBrQFSPKJ74Lp4S06dZ7hoi09r0K5_q_POFwtgp1NqULtiq2AdILWLlSqfcaxmo3kzX8gTNTMUg41P2hA0ibB1Aucoy78JRe3duRtiMLfHAcFXRjP4qQmzjxk6Ov_6lsOjXZ.z7wEcl_87hmjmU1N6vslpkQ6CRtshjz1gSv1IXO5p8oYs3NmZKQNRHMKhmB4AC6CaBKzHGu.4kRcMgqLhgJHxO6rO7RBkREazDwHPGX7H984pwsMlwrmbl7Xz0Fbu8EpYrOry58PIyGiMeY1NXIw_1vkwSdGHUihXKUKvNvIsi92qpYK_VivN.Sj4rFeSZ9MeZP6HwH.aLhNtxNpFTEbwzCLsrG7N.ALL0JUrH9JjOpS6tD0",mdrd: "vYEYFMXt5hdU_z_EU2FSYl8_AsE.d4lyXHx9MaUnYbY-1739087179-1.2.1.1-XfPxY05mfUszMZuQOfw6y7IyKNgyNPXW7Z5LgsPBxxXxnelxobEdMlOXm7n3BfT.fa24SP6_7Uz1yJnmHW4Ubr7Tev3OOKgWsxIunEghWXbbZatHNYYWttl8YqTMX0fzVcDn_MhUobcwioZswPSsOM7qB37c7_.9Gx.V2n4yL.PmXuNbHPtRFm9ZKxTEzJEOgdBW7uJ5dFJWV9c5dP0UkqTEitoNs018oofU7om36XildrXDfWfyqXKY652PghjikHpxF98AaQgGJj3bH4I621BMJyrVth7kAPiDiQG7HPUNimxkCjqTpgEeZ9iIaVLUa6gatmLNv8y986SszYJJVj6n_2Rhdp2PweKQvwJNf4D1wMueHA7lJCgPc0unFt7ylLIX_hFCIXW.YCQkZdL.huZ16FzrctZUWrPXSCAobhPSaYTCBKINBuShHHnODt.cmbWm799hE_IF9d9aL1cdt4woRtm8b3qQ2K2iTWuQIVw1PRWTwTqlpuim8W_SKiXVT1ysGdGE3RHmKnBVRVZ7ilY_uWZdUHksWdCYbre4YzBA7DUkMAsRjQGFf8rqg79BkYE.BigPAmJRH4wUKSHnXn3BpE.SlZAVWp51rQ9js9MR1Ogbmu_jxNPpMBlr67Yxi_4Nq5zNr2ScMhqiEBrOdJ7UcsO.5IXHittALiiBP98mkbM72UT_6NkAJLdefsCf3fmkYNR5iNoO2UiznKi1sEHX2zKNsqpHV.ElOyGHjzZGOjwYUGjLqbUnNfIuRUiWFPkjpNKmJCQJqXA3y_mUYEgskN3dPg2o9sxCckFXaiiEN.o_4UI.RWRmglDLhlo3B2dSrBaQG5vteVQ88L.g9L0Km3j76vNdbPWfy9QRTciDuBqjd1uccjWHaX0oMc32UMSo7siNHEuZSodbh9ruK6Ee8V0M3fiX3lwix._Y5Q1NaVujz4EUQqP7fbEGvK5pwhaI_txPkiHW2ruJ356hF4oK9v_2s.EqvCrsz32r.bZDDIzm3prhm1P2N2HhuVo9cAUYwDUC6WcTychfK9S0VEbKJY1u8gVO_zBUD5If.q0f9QVvDem3i5SlchbP_CJOxd6DUiuk3eaFfOZ_5Exnl3YhGkuZRqdB79IhY66X0bLz3wXP7sviI_BIVQkhEo8Hca3RkdGc_ZLFl.LwIusaLkVbnTO3ycC6FjjLNAqyiFVGB_qKHvE0snfwPnamGCtRfvGSSNxE3d.DC3l_JjD7h44m1phcFxpit5eg2vDQfgCszfGOvbMhyOWgc77bYc82YoF1KibRohO2JjD9dp3XGUr5MXpHtj_4ha0iVjMrpFKl6KGCdOMkBfWaoShGh_Y0kzBm3DuGt6Tjzf5EYWwixMN202qL4i1j0x5VU6yZ.ZQo.2dmPcMU7IfXrlcn446ec0lbvtCf7OHyJXD6bP97zi5_ZrfiO7O4fi8hOVxooIKS6M6onCzrWpcu9BB2IKVxhl9455GZYnBaqdjBJK.UVtjZ.iQQxsHmwSSleM3ysE6jzILWtYk_8uAvjc4H1NTrBkyprdF_gvVuBxQgN145lVIiD0pGanx6sMV6qgd18MPlKgXO3JHNf.Y3sCKJ5eKicmt1KPKuFUsKY9CwuUinJAodVbuppAbuuzWGt1WKqI8staIwxjy_y2jTC96n6YZiNEIkI6E9uEK_vNwrF4aiW3.MprzwQ2dhDwzUfVd7rmV0lng86pkNLBbXXIsnW1.u152wPU7aI7vkrh69x7qamlpor.mCwxBZFmvJ3PUxmK6JGKu7KPiVfH7L26OCS4WBGnX8jzR8LrNOwbLmY_7DXw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f23eb75c8cc94a';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\/4625897031?__cf_chl_rt_tk=7V5ILW4Jxb5o04pac0El.wIiKTTjsWblbC0kJH7MibE-1739087179-1.0.1.1-Q93rQZUqUVmpWaiwl37LHbpWcuf6DtcpzS4bgOG_t4w" + 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