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-411019043027.mit-edu.top/post/0438729651

  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-411019043027.mit-edu.top",cType: 'managed',cRay: '9109d5e8182a058c',cH: 'oMyrXPd3kexwgKldYNbPtDVwmQM_xaXPNydLE7U4UJM-1739334544-1.2.1.1-6ZrI1OZXcezBAvz8Z6l55TotGmkbbdvPvpKFbQKBbjbwf1IlijNMdaRtfPWXqgjZ',cUPMDTk: "\/post\/0438729651?__cf_chl_tk=QAEi0oQGEqVbbIO02TOG7bGm19uLHcee.32rv3UGe50-1739334544-1.0.1.1-qivrrbxkOE_rJC0x_XfrItE_PVYjHGvil68UYDf4R3U",cFPWv: 'g',cITimeS: '1739334544',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0438729651?__cf_chl_f_tk=QAEi0oQGEqVbbIO02TOG7bGm19uLHcee.32rv3UGe50-1739334544-1.0.1.1-qivrrbxkOE_rJC0x_XfrItE_PVYjHGvil68UYDf4R3U",md: "dDhqsK7FwWcCFdjxpeYVvsAMnSYqVKKViSC5ynHRXbY-1739334544-1.2.1.1-iXl83QJQtxgZoFnjE0uENnY5gd9glL.RrzYjlHPzrjiwCPZAc4jSCEvS6xAdL5UT0py9Y8aGUEf5nMm.K7gE1pDszjuCEPZo0ggzDGbT7cur.NXerIoidh1OY.7cCL85PUUCILZT.jiKrJv01SqQOdoa6CAp_QYhjFCpUn8zjrxuvPThNXr2t_UB7TxnuV644PpTvqvws6OG.2781osKudL7R2fjc5uGwUBJYAWd.e4ut0QRnSQKTGOpFGyRml6yxsIyfJxDul0ud7odRduLYDP87TymLO7uT8EoU4cYuDeAC9pOdVSKQ9nCGrZJs4k_2f9WsW52quFeeK1_7zrULwHElXlewhkFFl3TLbIFKla4zvfzfaSykxIkEvXWb1zSf3Lbgp9tya59PRG9Q_stKxjSGqFybwvoNHujJSnnYAip5EkXUMkJkERgjR.mskewRy2IWrCknoMOMWUFFZErMAnyxb4OL0ACqu45LBqNnkYF.bo3kI3Gv355G4WeMSRUSj0OWbGXf8d4ZuR0f0sb.oxM31JbpG1brur7zu3fT3N22AKS3pAoiTYBIJYqJQze6pM679inIS6IVFBXXIZ7CSRRUbLQvfvDlues6rUvIWdDKANC8sOEWEp_ZL4q7XMpERzsBgiySAtf2sfCrmY5utgwkmvR5BeUcm89CLZgNHLRixMedaRm1CN.oTW8P74u1s8o9m6msQjhnZYDm4s_0qHbNzQ1RKv_Ybe4.H2NIMLxpV9lV9017GO3zzE_Kx51vE1hQxDJwCRo6pHqtdpZRWyh.99OgRKOqyDcXLF_VS4l6RM.ptQ6BkaKN_OaWXmWC.U8pRm7vSEovAMVmvfxTH9kMqSnPB5sWsacOwkSip8GvKKZZAhZPM2fb4mUpPrwISgPRdmqgea0Hw4ykDOyA73jWN3tFphH8XAxaMz3ceMB3SvMwFJv27VMMfu4Hl58DY.XYQaUewOHWiJfnltVCCVHIBXFsm1rZu9n_1hTqvSi4_BuIydILW7JfTcLI2TJWzmv60FqtyeGeNTF5NQiaI2GusqthVg6SkfoTFUubPBmE4jWPccODa4eWfNFjMJc.2.Ma8mv0hRXqROmOOTVYaxhD2uWxsKxyDwKXpjFMhqBsWjEuT34x8lwPCNmkhKRqvrkRr.H3QO5wBg.fiNSUQJ3jttpY1YACU631K025GUxW4hQzAxJaRlZE_3y0I6KQ9RC.W9yidXuasBKv7vp7WL0Vj4D1At.nP97MpTQN1_kRMzdu7ovqMQwBRA5SjOwUWINkQuP42RrA40n8Og_PSw11.lCdrQruXjRC2qCTTVkRap_ykBPs9AOEhNLF_KhxfCW1PK_MGsBJqB_fa0iiloLj.SQvG.C8DEg2TarWnIH9ay69T41VXE_ZGZ8b3HaZQkHWXCptFb5mId7vDCPdHFB9qDvBczJzB4QSJ21.I95UjGHl6qoQi_fcCs7rCubtWcghzgwwAtluic0QXSHJFl6xLn9klzn6g22SqXcIP389UE41AEuENwLnCY0s_3XS0F7P3NFHjgkWwDw4SnvTwB.yGJ5_IKVfFRaUY05xDhAq3FYMJoTRjambD._ORIusXHkpCls1bX1qhI71FNUDqn.HW7Jj3GB_1eN9U7T7Gb9yAAvyGKDjBfsCTugKwYfG8FDuJjKmwQgSun4rEGnLM1LqwpitaJg25m2LN36aaJp2lbaJRtu3arY5q7B6pqHiM5sJXPjuXs4sZBrI3ScC_WLvNXE_Q.fJM.ymAoRMw_GSKNsCY79sZYBBJSf.ApHyABdSzG89JksfyHUe_PVYUnkyCUHsaHtE2D4cMYO6iBjut12SCM0V_dyu.qgV_eikIqIM4mNHf9ceb3cxSALLJufV0HHufiznYVePzyjoi35TD6.bpmkHdMxfe74DqO.wKFykmrkqTWdIgZDRO53y9os1VwDcManAmIbhG8mowvDKF.7iAJHUXXWd5GHdzt7KXWfYYMLbRff3DeA8KE9FKM41DnNutUoNaXlnkC4TtaWDSht9LDogPkg8zH.aQeY_qh2mvzYfBOEbYON1uD6qRMXUXzYeg4igWLFAh2h4HEKlRbjInxIRrsd4B2i3I5ltkeDIQ6Lhs1Ynbt2xCdu7KKNvhYl1TP9jL7sLSpmfAnOWypzCWeYYq8i9SqM0bQp68146zfgaGsxUl5vMosJrZe2n.GqbHUdeuq_xgBjqQu5tCva6cpvhTWkj_F2O21u",mdrd: "WetPPcwdGIblb50PGjNQcrXPoUVxn7lYAc4b61K6BQI-1739334544-1.2.1.1-b9jiLe08OeV6Xl0ttCTvQvDczQ3IcjjiK3RXnntW22WQMEHdUuqsJp8EWwJKrcuvccYpl4NWWsArVr8PrmK6vlW8QxixMF_12VeNGfHtcjVtm.NCMe8xkBrLG3ZRC8BSZ9YzK0rcmNInhozATM6Hwq_Z6JC_TGm.2ddFNq3ohB1kq5GMKhywYkTW0jiyrvXDduOuNmGvzrCAB5W_E0PJsicA1SCHVKqDKUDr_l7Ga3W6t9RxPT2H67zeeKfZOIrQrO7gTt8n88AdXbzpOFs3hqeKW8HuUuWFYYXWa_GzXN7OqcLuVs28AMbPxeu8XQPfGd4eqzKMRvcS68mpex9N7WXIM3wF71xXa9J7GoeanmfRWNdzl3CIXaKr5Pbe7UCDILp2AbaoLLPH.uiZkBmysT3fsy4KAH8k4AXRf4Lrjz3Unrbr_lwDS9_Vsx10C3qbh5KFdVHAZxOE8.mB.KmLJFq0_7as3z0DrHoshswjPMEWbS0ln3VOjCMLMC83MQ9vsFrJeUmAaCEV90OGGRpnO_gw4prr5DmiT4X5a3mgMK3Xg6oBN6kPngypndO2yZs37BWQ9jv.sK9rXDDgjinsVBwsoNDSaSjPManSemHTj7hiC5aQZ_lxAdDF.QpvRC4T8EghHh7Y_hXhd_BGEv2vYkkIqRxd3D55.iF9piW.lZ7lk8dJ7ZLdhn4s1.QprghKccoHJsJcdUvxWHKAwWgQAAMbPCDRoD1sP6LKeKcdIIOf2LA6cCyYJS6n7eAlD7CKAAWXpSsLSg4eTD3JnjWV9JPqSmZ3ZholleZlrPWUiHhjISbCUloSCwBrJ5ZFIUUPIKihvWFiS5M7FF_KT2FnZrHim6VG0D_LEqTxCfEHYpUWtCNE4F5ph0cfFLPgl.fqaC4726U9y3YD1N7KIb65hq0BmSi9B.kMBh_A3sFYfLaWQoJXdqxhS4Dxhya53Ijfj6rDsJ.2.XApgqFIT8TPiTuraoahnrs6hWFXtwWAZnGaOQ7.DSuCI4s7FsK9a088u8YyBUT0ahnfbiMb0EtpLoicfJZv4NPJzbde_N.yqWN__Q7BWlEEty6RGEA82YXRuiuA0qN.1igI1IB1EujzUNiHWKgi9u_UAc0RMhlYqCdwqi.DLsLZyDwxrgk9LkBi1dMPEJYXz5aDxkdw9zJf03j10NnIIePI0d2pzpsggjlSZLSWtU3oRGdy4Ds8_ZTUEYFjih4OmcjWR6eoi5l4SitWoYbxrkiiGzd4KRmKxJTrAGk1SDmD9R4K5H4gIa2rTm.czFDsUM6VK39XR00yW9ElWyQdg0znKQXcEhETUBWR7U3uPCrmdNd4NZXahhmWWheOzB9imjpyy2NqOAEQmBOZq.ML9ggar0bu3Rz2W74rl2Br_a7ZVHQyYhniEWNwL3G5cpSSx3W7NswBDAPCxYdCscpAliX7cCfanrE_WBERyU7N8.31l8mOZpOL093WJQHmuYkUh79abpmNPZob_ImyUHFdR3o.c17C7RB9FWTXY6RVdnirkRsiOwdkYzTRdw_YMUjeol_ujV.xD8trHJY0_.KPL05G._fLnwqxlfF8mUwyByHxHYkqpQEY1YOV6lKs86aCm_x7pgj7dYkrqPz51qXMiojiEsMLzACoMf9zUjqfipi.pxPgsbB_48cCFgDUiINhfe9A7TE7hapGEtt2vjJI6EJH5t6sR97m3Hjn3GRTQKt0ygfi4Wq1tqxZOvtClwwRFYaGVuML3gKetqhJ8pMmkmHCslOtMqS1sD_L81WdTFwlsoTi0siSNKE6lcn4wSsmnnzORF6BYnSXz80.pm_9k6E5m5vrv8M0cRk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9109d5e8182a058c';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\/0438729651?__cf_chl_rt_tk=QAEi0oQGEqVbbIO02TOG7bGm19uLHcee.32rv3UGe50-1739334544-1.0.1.1-qivrrbxkOE_rJC0x_XfrItE_PVYjHGvil68UYDf4R3U" + 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