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-affeeq3b0.mit-edu.top/post/4710658293

  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-affeeq3b0.mit-edu.top",cType: 'managed',cRay: '90f424c1fda6580c',cH: 'pWLs_Pd17X0AS9LWl6OqV.sQX6Z3rc13arhVvtQBc7U-1739107087-1.2.1.1-t9rXmeJdLit1n200vPHcwLGyvsbPJoRZaA7FcCZ_AfLfmjLPiEkXsh25zNlvMj8U',cUPMDTk: "\/post\/4710658293?__cf_chl_tk=g2yCixChgYlOf3TqPyD40k.jIbnR4HSBAVYSGFkjuuA-1739107087-1.0.1.1-tWO4ngtqiXHZpcXaQee_KFxsEQ_Y7T9GeLuULmKFDSY",cFPWv: 'g',cITimeS: '1739107087',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4710658293?__cf_chl_f_tk=g2yCixChgYlOf3TqPyD40k.jIbnR4HSBAVYSGFkjuuA-1739107087-1.0.1.1-tWO4ngtqiXHZpcXaQee_KFxsEQ_Y7T9GeLuULmKFDSY",md: "11ze_FfxaXCvXAlatLqfTPPflodKfFWvqIY1k7BiGAk-1739107087-1.2.1.1-yhODC9PUKpKIW9x64CAw6HiSHetjZ2oStXX5qE9Bne6td9QS5vw_f9CpykKBcLV1y4rW5NeAoTqatY7HZGwKml_id3gXPdWu6hj2z5O7WneqRYrkHJN4ZPOF5Heg0Is1fC5egxmtfeFaD.ekl7XBHQOLi_RN61cM5DsWqlzOILyWQxffKt8FBaY3b9DaKstOZ3RGr5Rv3CBZ0LjDYpjMIFLWcOz7jrstUpPFjyp4gftnjaBB4LXwiKwTwO0UMswk9uZKkbawFbqdu3lDGMtAaIBcALWyUnqPILI6wojB8_1HuhFadqDhcrmLFaU4lcIfV41BFBdcYwVvNlCPWp5EPphlBDGEJXSAlXLmXqTJHnaUBP_igrJ4F78yBQCpOILYT72V5UX5Ujl.P_gIlTEEgRgeZs4anGPmyoCgI5msY_ppV6i2ZNeJDjrCZjhLi78tLuWxErW_Z1rbgLo54yGcgEZSks.GgB1hQTQhrrMsUDP4F02czJ5lD5.835.oR.RSzA.7MjLqJBHxZVz5K1w5WYLveaLgNrin6E5qMdZxyEHiikg_UyUBaUuLhMB13dQB2GXh0H73Jjj8n.CKkqnrXkfYiafLWowFJM3muv7LdriJ80d5gDOOr6PHVVKGJrVeVZnno2pi06XQOL4zSXyTUUNpoz2Z0Hvhao_6_mdyM3_XJa.hdy.8dnRYY.KjKywe_UF6rrV.ESWuVacSxUh9d37FhRNUp.BoAKIgIYuiaHsYzZcnHYgpUvXaSQZfbnRiD6cjROwkwaJC3BlRb5qSV.r0MENqRySHfalc65sfVzPQ4PbgOwNBcg5wTgslFUoZhrVyV81J5IREj5ZzdjTGyqOEQSy_edhbLBj8k66XSe8h.vCyuwGwH8TiBU30hdKSQCDQBMFGTS_IE70RF_d3FOJ47yINsFig9w5Z9MVyInE0f4AfL7L_dkovswFLxcfwhqIOPuRovhKLKxjZhRVTTpnDu3pNnf.7Wn.6QBZ.tk63ggbiyRjjQxuUx0GhrbUWDmsBnoZ44a75Es1JXiRHpuBizLp7iXXzbOH4tB7DplDGNqoBZyfsKsOL1jq5ycRqH4PPJzHA3vZmWHZjFvC_9Eleqqitw6JFdk19MPGRNciJRlnflrmBoPZxoAa7ASV87IjECmELjHoUo6ZhuLfwYWhRjJihVBbx_GKepH.9KQe7Cxp5ReYWbK6CICQYS5N6ZxfR6m8JI5LhP.NI9l597ptslhnDNkZ7xI_QqwzqqZpZo_THq7S3uJexFMT5LuDbG_hVlug6h45u0HMtKYf1jAfhT.2vRiGbGsBDggMfOjxmBJg.LNC6eZKTctCeVpT2SEWLJIsfyPgPmm1twgB8f_JpwpE3754DHPbwzWx.TWsjMzc5xA.7gQBMrkyQjvBcNO.HTBVe.VDIOs_DXT.EedBcTFV950KdPC5vb3JQFCHtYCpaCrbt1oBbtVNtlVxG2_8cLP7RdrB7gsg76EEG3d8otYRRp1JO.PuJyHf1K5vPfrn7Nrk4E0tg958Bh6LYS9SPvesaJtaP1uFSCpMnibdvBKUVbHlEL0.PXaUakO2pVLSvW_l0Rh98kwqFD9KEjTVWIWz4oFznlq.3fItRZKoAotAmU_QYYHl7DaNx151TYTxVvAUtZbnFiM1cW0tKBEzN7YQpRqwUWs9C9JBsdzEcDmg0yhhIfZFkrfvdJYthSvM2MkIpi6yF0nrSiwzOLDbsNEiPkE5HCSEakBDfoKiV6Bjd1ZnwSOeUQmVYC5orHX8T3rLnNGcZvkp7fukt8uRZ241Ne5QarIJsG4THN_NnBV0zaXk4PtrEqpwebUC8QhcYV3xRrLLMCqam0XOmYgJJog2.XcF067JEXGAL4gmfPcAytTTPwtxnhRrso251nFi.Hp9cYFUS_ghnHTCebvkeSQZ2Q2lAxURzxmWtdCxqD6dPFIiMkzt0YUouqx0QOo5PGSFAcNyRv7NZ27ATs7byKzeMjHZLQpaXyJwInjTjf4kiottr8NS7xlFx8KFMnPY2cupx0DV4nCF.fl4k1.zej8UapJjlSQbnZa2EKmJKPxfWhTVolMHZtqleL3Nae6J5utbjUmngPzHPB_FvtRGhNRw_m1EGWcdBEW5Y6UGBLfB7b0PtrtbTzQmuZFOCGlxoV4wNIXLiKevYVsngrgEfZUSJppra67KibFykvEhNB910QDDoZVUjw3bVSGoRqenwLelx3iSHW8.NJgO_",mdrd: "WDX01O9wexDhlqhe6idU191Duwc5KNWYYwvcjzCd1h0-1739107087-1.2.1.1-PAYnxwTySyXNyNA3vxp20dw6_HwXQVkZ7MTLZvLkH2taJHRqtXE8OIad8vnrxqxM_uCl4E.Rn1anp18zP0mSYw7rjZxBYyDZie3KGLXw7N_6AGhqiq4OMQOp6SHbBhqbucdAE3XnMHMTykUdV5UjXM_MMTzkONGPHNN1yIo7mBXQ.KJjTmC3vCCj_eiu0Hp8sFs_h4eKM3pcI1AnUIMIwjQgzOinQ9p0mOn70qg6Gc95DaJ8U7gMT0cpVCayrmW.QK7wtuqUeGtQ345T5PG7AU.axwwU.91ff6FLMPRKuDHXGBdH8dAImvWvUXE2v8zsC37ih_atX.4VH6GFlsjFEBOZLlAtgbhdnMdg4PDvyZOpLrvdWuIBwP58O_hplHipicI1eg15mOC5B_LHtNNDE.AiJk__CqCln2fk2bfMRgl_KNU2H77T0IuA8r751ofqzbVUfADgvyfRu1bGDSOeBUMZ5bO5HjIIfsOU0IxmMEwOuy4A07ZgKgJl0zRPo_lIx5RCvuW8rSuit.VHW9EweD3MQ.If4skUiGDtO.ZRD2JTIw7019WaU5M1zrBG7y6CRK27jAmKBB8Oq5NPa4T1m_QKXFvGnYzfxKcdt79PLNTHZAsKdmIe13V3LEBbGIBW7Jo6eY5hFNNrjDCTKcNj4OWhlxqkGItEL2ftuMpedQCwrnVv84eED9DmJGuho__h42xoBeaOyZ8_Z0Ish8nCjnJ9EOZZdBnTkCifPasLzILb.bwbnjpiZGQaN5L3KjwfBaEH0Ew7_rD4XF4y8tnrN9Tz9Qgw3v5oUksDvKedY1dSq.R6n2Qinh2b00o3jtsE.wypriEx4_HtNhTdBojOcg5OWGVno2aRZU8rxcFooh6A79emTMRvQO7cxGi3cYsAt_1iMvVWxptOif95X8DiV89Em5jyRAZiYIGnzYnBdiZZOEb3HSOyHf5oMJuMzEvNTN9QSvTxnySfggLY5vzTdzt0Bgf.XmojAfxPg.Z98vfAqwTA.VkfLwvRazKD_a7llwIaowJ056TFDKAoZYB1yuZl95URe7vzNYyfFpe_6gde4.0dWrow1WUKjGt_8OLQk4o31syNxy.iVhT0Oe5pURl5AlgeTnftMSetHUKRrcj_oIU0ERSAr1lGWylW2BWsZG7S73jjLl0BJFs.5MhPh8LT3poZOzlS4qlEoBSgrb1aB2bquKm7Xaf7MdT57BeARo3OZpDX4U4U3FEQO9949nJkC8WUnC_GL475raOwg3lBjh1h279cQG8AddLY87fFDZF_4.EEUG5hxCvxvzsHEdpBow_qix4CugsHbgWISgjutJNOw.Q43n7d.2TMvVUtxVE6L5FvXsmMECuzZ0cuNZvbZeT8aBWM4MyStuO3cIplGSziJiC_noNG3IRCIQoyAuKBgFKez9nNpTamrFWPKQ_ampiEwLIyLEgi505o1Wc2_8OUOgB0qeu5FXYFLonsCNIIVlO7FT0pndU._RwCsZo6HaxK5zkklqOWdDt3kmKn6OSdWCa2bOOJTr717MlS4tUfzcuOvwnHt_z3PWsapU_kPt45sYXVXz9YUQrtQUNa8JVmGmDlHFTlJ.Yl8FXiw0J1MWdeyhghGH4T3KYXwwcI0Vq0Ugf66urLwu.nkAecS5OOoGhITh0RuiyhepN9rvXcyYs4SnGUd2MFBLLR0YSXD1CUr8HMBgfsEZhXRSfWF8fZief3fEwGmSBs_Ycp.xXmboI3IzxACinbyq7cxFt40IbMF2GNrO0YoN12ddl85YVZ9BCM8L6NxYT7rIgUSOHWQzB6tshKvSyf63ifPuvpAWqm27MOeHshJ_os8l4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f424c1fda6580c';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\/4710658293?__cf_chl_rt_tk=g2yCixChgYlOf3TqPyD40k.jIbnR4HSBAVYSGFkjuuA-1739107087-1.0.1.1-tWO4ngtqiXHZpcXaQee_KFxsEQ_Y7T9GeLuULmKFDSY" + 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