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-250742540599.mit-edu.top/post/8579063421

  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-250742540599.mit-edu.top",cType: 'managed',cRay: '90fb9d579e77c950',cH: 'Vx2cLGFO9bDoIAViyxufBKQYoOpsCWIRqYzkyFpd3IA-1739185427-1.2.1.1-KVCI0oWnHs09xeAxvFfXJYILkraPnq35qstxoi4rtx9QWFGPeb0cxQo80fIg04_0',cUPMDTk: "\/post\/8579063421?__cf_chl_tk=HPUMFTk2cvN_jT_n0yR5EJdaFOAYqvy9b7DnDR9RacM-1739185427-1.0.1.1-Vpk1WhNjMpI2icc0BpYk2bATUEk5nuhgMOhEJhaEv5E",cFPWv: 'g',cITimeS: '1739185427',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8579063421?__cf_chl_f_tk=HPUMFTk2cvN_jT_n0yR5EJdaFOAYqvy9b7DnDR9RacM-1739185427-1.0.1.1-Vpk1WhNjMpI2icc0BpYk2bATUEk5nuhgMOhEJhaEv5E",md: "xPQ6uKxewPK2NCafbpdxY_n53SOKR9uGsSCF2p.TYHI-1739185427-1.2.1.1-jl4lpKAEpY.ToCcuYax3Qx6PPXXXEhkWWIwFV_99C.1yLI_LEx8WIEDHblMfmLK9iMA5LaRhB89EhnPtmTcXlLruon9yIM8PxRydGn4EIHGG0_FloUNJ5tEseddZG6ClGacyEHj9T6yXye0kJ8ygg.rTTyHh5qNQt7RBpBXubhVdfw7t5DW1T4Fe6L0RTCHVeL5n2.bupXJt727fC.UUpJ4fdQWkfTybHnhn9S6.at0KFxDlDj2zM.zdgWctqF.x0M4ns_3pbtZJrlKvYpZAeDffgzWAFlPc3UOAGN3otNi9IQ0J.FEOkiw_806Xj1Yt_fmE_7fnjLYK51z32bU0RTJSjPZA9uISwY8yCT6FO4oFRjrKue.flZOxIO_nbaTR7pe.Sop_Sa060.8s5YLRjuQFP6_4axsSAJwX0Ep.mEQSgQA4lb3pYv7.WaZoBjxa_haqxysjRLMBENNT2tzft1mg2rADtuKAiH0o7zRk3wjZ0cTPu3XIYM4YinMq2o.kRQwi2_JRJoZB0fAd9efQLiihDhij15fgzrlwgFDzeFzfbPQED7w4uCuX669IKr9itXmnSI.0vUQdomY5K7sCSw.OCq3a.Ny5nqEdxSmsLJTMZ4QMXFXqZ4SjEM3Z0CUZ7gJHqNK.LQHf7agVaEICw8gOoH0vNSsD5bRYSGVybPWhLSVYvyydK7ZE1zO2ScSeOkeEfWPfo9qMZLu6XD9XVc6WkIwS_ADvpCjYZQdltZf2ayxSvvYAjDzqFQerjMix7p4aAkCcg6wQ32F2FaZhhMZehEanNkAnVJ3Bid2nGGl5qoKDLuHGdarfYmcbUKkKHepKjyQbdXXaHh7O5NxKHY1Vt_k.P5SpU7NUoKqOLB3fwskHXqdtTgeftdHjJwsZYa2uMDSr2e3lHr_VFbBVMUyMOuw_rcIYJlixNtlInT3SgWaAv3j0GCbd83zudLlI0cRZ2RZXkObm0Z3oO4cfBAxg1sc2BHI5fcjLk6WAk0nT6OuejednZsZXdnIp3WyAHosg9_vLJKQsC8TJG_TtiP6JdX0hhrLPhcGKgk3vRzhE7Da3NE6uwt96dSag1Xozh7b.TNr0oH_fg4_889Ul_Ordcs8oXAArvhWWMm_u0tylCNgNz75ooHibw11da6pt0QZO67sxSGZiBVJ5iyoTprIY0LRx87.UkM1XV6NVdjf14htbCt0tlkk9RRd3iLOqPkUjDz9MWzJll6YVszvCheoU2qqYNm7UjLlU64nEeDZxJzCb7iilxqD7QY129PvXsG1gkCT76YFGFhZyEqzM9.AJAJmfzcs3bQjXpjQy_OA8fnMZKvjGUSQlFo8xLzFy4NGBOAb.JxvXZ6CW7HQ.9Z4qaRClXgdnWi2wGRkpYQZXIvXde5LLNbCtvLnfZ55BQilPg_ppBsDG1Zd00oY3HMuKIU1I2TguSyBPyhuK7R0gZKMXX.e4dR5OQ56HIEPwD2hYZ_h4lpghccJciB0_xt4e4a4vtqJevP1dndgS3tcK2LJnNUbQI7YVNv48Xqxz1PwNLzrI__Lfax89tF6WDWdE7aTRtZsjdOjn98o4VYxUnnsVa5lg37bfcA9yEz2ia2sx1VfmrwjX9VvebLaMZLyah_kPash6d4z1Epf71hyKfQOQA0kodC8vz9DXw0PL8yQ4jal0DMfL.59Zk8py.f_CCnhGJnpD29QCaIMbBbgITcD85OxSHp63RYKMG2uCQIzS8er5AUJKU1YHqpuPPdGELCGeDcG5dgia.ZEnYtcD9stYl790_3TgNugq1EE3ngY7aN8W3lpFNziVY7qCSOtz2UEkD7h.OOpZtqeM1bOxRxTtlWX0ZS2PdkhI2VJi6kgvRk29LIFXFyqVDuXQuHC.HksPqIaeKmZQHwRFbO_bo2k3gT660mv1ziqCrOKt1.0gOXv9iB2SN8wnMow_vcj18TN3pdXaUNo65Rr8dszUOf2YwrZQk7lZjwNHY_2.UftXJ.2lpO1ocNyQ169QP4XNSzCYtVPHGV1b5PcquQ5P7O8sjpr7OMp7.LSqloAvnxLiHU.Wfk8uxnIvpMED5ex_syblPc4kRFvxO98FlnDoCneRVEiYparIwvz4xFV9RVibt3RcLmnRVG_RVqD_MNSQJp6e6LOCjKYVYzFP5ts3WWD2xpQZ.oLIwlnUd91vRm9bXVFOqnY.AgDmzyMYoMZ3kCnG12HEQFU2tyfZCEAluKyRNuLd_Pc6k5tVQwv_",mdrd: "bKDU_QldBwg3xXp8O3UtYWcZRnlI211c_21RRIFlftA-1739185427-1.2.1.1-kPgP1AZTKf0diwcTZMSlyJIB.UN8GVUt4IN1e5Qusu_Gck4mG_cULYCldBNYE9A77kwzvFOzr9a1QavdhIP6F8_s2M6k4mE5zAk_HnUJSFYfDdOpJ.zorKR1nCFIOUhUC924dSv6CLDFi0Ouggy2j5IJCVNi7hT7FkgQxtSB6m.DTPNUYlybcgI4_PDQsdLb2o5m2KXWZ52wcr22lgPBrOcRfmSAVs8pzdjTKVQJNGsTA7F.MMG5l8pP6xq8oZFjXOqbCQJCPlv0mXPg7ZbsFc.X2XlWeVYdrG5XVeXf80mv4psHc6EH9tSS6pJ7kT_UEJRPeLaaNUWgvYYKVEYWvRCSzaA7_jOjxfEjSAKJkN5u_cvx5ayCj2i7UMxzjz2CbuXYdZ1nxr2D8XdzelpnuihwNR9eo_PQLgqZCLoMFzT4HDMZoAz1vE66oSh7zP64LvCYju3GxCiicFqWGpNPA2cowdq7AGFrINgEM8PXGWKZkiJlHz_cuDgIp6.5T_F0nptVt61BEFA11lzmbYWf9Z3.kU_LidEEHk5gi2LqktPPD3d.dU292a0HDCps6bOIRZHWAFjEdrtbJ_ka22YX8xsCjHfEi.LWrP3qq1OT2DZTnYsEMxQsgFKHTqmF72KzICZIrZxEPFJAABWemKQjxUSDEhjDU7g2AE6lqAkxiFH7yzXfmRUBMXxYxeZoTYN.y.8erBwE7LgX2e9pTU7AHIYSCXbb7MT8a_o77VSiFlF7X4agtgedV_bbAaSf6vfoolM301XjQ25ep6ro2g70IpHy6Wc7zFzWWeKy7_d5_hkbG.r5hyNzIl6RLH8EIaBn02NKH71WXjgD1Hrojcq6SditgczOrcEEhXHy9_get.HNqLZK.d_Tm0INXTC1YHcdjb5EL2pa9DCtmx3wajHF6229.JTYkPizAbgNC6Epu9q.TDtbo0CFgBvfCZ2qajSUODubCItQTOn6lxXKeJQNtya5oOq.8U.w6oALYjDelIYIpdcUDcDhPBi9HMWJJVJ8HyqXTOUumefd3LYGFXy8T1YMqaCQiwGzXn7qAL_KR0GMi3VVDB7kzTMxdCKfI.WmZqQSKxMMq33oephuV_VhszOHplCHBzRDOQbKmHrUYjcD8JBYW2YaSIbviVyoOcgO6MiXrsfl4iPgulGoiqg03kMoKyHP2j.u4sB_pbzafhmYK3t6rLSQYkMqVAMb7C9j_iACeAdWkOEzLAlknE07YWRud1oSH87djQnQA8YYVLmAw95OZhqUB3V2j6nOYeaqsRGz7ZaXSOpDXcp5xS7vLTsbbD8Wk01uQRiarI_SmDx1CCF2ZGJedVcokwYo7U_o1t_YamzWhMTgBMzMx8gsIrcXZuJgbFxmsLdETKsDildjPBxYJnV9NCCSYwrke7r1L3VNGFqHNq7.b4.raSqLrdDxY_xGrBxbxc89PNni2deKsZ0my1qtsqW29OJPK3ELQpHi8Q.YHC_3PRaxQ8SuAcYj97tk.T_VxJ7PkuwQd4mEHn2rsgyoYnTqHrzuYdLnbGA8tYRoAuCLo.usX6XLvLDPlEivwBKpbiWjrcbbzAE4Gs8i2.2i_94CFHqGapAq95wIWjpNix0z85QbOikNtvvF_jb5P4R5tYRgd6d2gYgdpey.Otf6pRRwL59F_G7N0QyEyT5lQLzSWYwja1MluILk3Nvw1Lwqgk_Sh9W47_.xj5JajfRNEkMtp715.eupk0D5yEcKr1VQQeTBsYqib4q71Y3ObYMLeGWuJtoCp7Qon1.iZ5E6BzofRvFp.i1FQfRMT5wQrFL0sv1.yul1rh7x8SsmR7ayk68vQcj6QIY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb9d579e77c950';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\/8579063421?__cf_chl_rt_tk=HPUMFTk2cvN_jT_n0yR5EJdaFOAYqvy9b7DnDR9RacM-1739185427-1.0.1.1-Vpk1WhNjMpI2icc0BpYk2bATUEk5nuhgMOhEJhaEv5E" + 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