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-041082837455.mit-edu.top/post/9045672813

  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-041082837455.mit-edu.top",cType: 'managed',cRay: '90fbd00639d2c950',cH: 'KFfxtZYnP.VFj5cCQLZ4QH.VK6o7_yXUjvh3GF.Yal8-1739187503-1.2.1.1-07WQtKpuVdkd3e7meHh6xVvNu5UEsc1FttHN.Iq5MBMTVLeGKxs_jueizqjxtk86',cUPMDTk: "\/post\/9045672813?__cf_chl_tk=UyTQXjnEIX40h7xXZ6DX2.mBkRqtTsGsyp5oBgZWMf8-1739187503-1.0.1.1-AfpJBs4Wl_iyc3D5z3yVeQei3yyqUJlFqPAhzGSAclY",cFPWv: 'g',cITimeS: '1739187503',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9045672813?__cf_chl_f_tk=UyTQXjnEIX40h7xXZ6DX2.mBkRqtTsGsyp5oBgZWMf8-1739187503-1.0.1.1-AfpJBs4Wl_iyc3D5z3yVeQei3yyqUJlFqPAhzGSAclY",md: "okl6UEtapYMGlrrKCacHaOfJs4U6oSkPFutfyVerok4-1739187503-1.2.1.1-pIyjM7Y2f.1euzaatFE3r6u0BgfInjjvPdjCMLXMu40A.BpqzAsnvZE6qBipb8etplP1FtJOwyDmbnQtACiEos0ZHRDPA8waS4FrNetDq2fM8sQECl.9s9lQ6DmuMtyZBC91XZVOEVzvTCyIhOUEDnx7UqeTj6nQSymhtvbaOdBcP6jzNPCM9yt3ZVsc..oHP_PX5CsNEhjcMp_hIYRG34o5STB_BhQYGWSvaEX1mJBdm8bHQjQNkPCYfDru0higPWawty.uAK3uDW9PLochXqb6BrqJPLCkzBqtrpzcEUhiutMMNn6KLIpBf4UwWe23TQBVhYirh9EPX9_MVdWJugvvMFeJKbUEMFAZdJRyTBHq9vURqoPQsngYBRN_H8EMkX1LERLFI2BhkGXTA1wX0aYLpDz2ldfHdlM0308UwQhRuvngQVXFAXwgqNjjhBPA1EH5iRUrGGQJ9Hv1U52O.sdx.IxAskoyFpIxQbZT5r08zbRvHC7S1_iIfam0TumC_aucqbsMHX4S.fB1tAvjfoB.dIY7r4TxJpTGAg6RX7.WlEJjn3U3ONqGb6ZLUE33MJS8PIyT0If16jsLKKydpDgxicW5ACKLBI9VLODCGEIZIqzFirmYQimnqByFi710Viit1vx3dpKv9pJ.XRlA8sdYwSaZB5_fwc_NRIgrP38UUutPFsQCzeZAtxNvJwMMUH1Dv33SSVevU4q5gH7d2LnxcJ99Oz_SAbe0YZcF_cGiyOADjVaOQvYIaajRvusIdDk_H7rLU1_uKIpv8IFagManABfE8apdq7UnHqdo9KBnm.vjbe63NZXRHM_p60A7kGFaszC9vBaP55c1OcqF4ecZhSLOmLXDDoeeT0Bqij3_wCoJZp44JYX8Wl.CeNNGS2qXeD0hDm_dU9s5IIY7frYMBm2RO4mHq6RLt938waWHRCf.AYIuM8iefOZnfEJDBSLlKY6nRWYItfJIDEd3zvjisYw7TgbEduzBCbCkLEc6LqHEhQdt1UOGAneg035K8n68OSQhPMonpYNO0XKr2Oni.90SxjT4hb9GqEcoO1HvMTLo9nWifQJalio4iQZ71gqimgZNxN2KAmP5PjnGcF_hV9mG9kh2cz2eMFCFwExrQjH7hIp7bgmWiATBpe7ajkh2cdv0ofeKNL4DYkq4RhYltKob71wFbwaUkHiDlHCzXpIhmOaV2HyWorkgw9UVnVZNP3AP.5N1iIezg8BzdtDBeL7RHVp839EqpSaLUGbGVxc7neQUwkY3Li1EBkrNJLhC8SnDKSUIFsOBtZjAm4neT167LFMrIrDg5cH4T3islVEyqoz5H909yvCvAhyzEHLZDgcCWXeT1BxRVVQvcSBuQ.5ozk1Br0vbQdl_PdE8oBmR6eKvCsYJIwxdVKEGy2wK2bxbYsptc_6m6yqS9tjomxpEgLvOSgx8.f2L3dvMty331zpyEvw.L55cuewI26jGWeju8H.JXewEJ3o80OyiTzkH1PL8c73_aXilFdZGNQ8u1vatViDYm8Udf4wHEhf2yhFkh7aWAoRS3Pso9z.nPpZ27Xyobmt6P9Az..g0c8eWtfUM7WVwsJPiE5B_zHPHGR4Dk7cE2soaUF1t6WYd6hEKt8SaxEmj4zhzFuYtDVu0PFminsYHGxHN9vbA2FxootCMIuzsOewbhJszXCzITbEl2TYRXKfF_Aq7CUdfiuwC9VZjakoOvaGI0pJWlINLAjFLDs7ZEzO.PYLGsZMif7g1mKmZia04.VDeh4S_UxDRVWn_all.GbMLasRkkXZf8x.3EEcUGdefWIJBvIyRoF97ELV7o367SNptVF79kuL7sbsmyzSUUoR8N2o.DGrxo7jrh1IHQTwdLGMRjfXVBVRg65ZsqDUKq.VQ33YOyQr5ypJd845zMhlJs2lQyAbnDEttKDbEOPoFqGA5WhC5loZbUZ9AzvRTGwSztWHEsqrM1Hu5fOuarQE6fityuQ3KwfXovXqP80immhZPZshS.oHZlV_Bsg1JFgVkEXSCld90DTCEqG7lDqggD6MP7idf0AUkb7WodqGQMZGHnCVCY03PypAb0rIlN4lAD9PFWQm5CZx15xBGGrjZtN00sZ_l3gPI9nG1SbnEGZ767Dg6OlD9Y2qMoH_xQOB5NW7jZ55J3L.zMd2idkBisyhiaElC6MevMkKDPfGoT3lnvdWNl020Ov9rAONmsVdI2ZA5bpC9xJCmMSOru.GVK4Mr",mdrd: "NDqYusVDrJEMsnjcakjdVOR8_iVaFox4SnkUo6QYaXE-1739187503-1.2.1.1-jD7yZ4DfBjHvAvYgco2_dtpSlZxr_I3o5MLmQ1woAbsA4yVFkhn.mbRvahY3GIHypWLCBge4xVz2b.vU8.DbDD3jIvCfA7XNaUpVnKLDS1SRGJlrCf6FIfQ7qpVq5PDbTATLhSUhJNoCxyVYqS1ZKgi.OqFY_bt6Y7CDfKQTTuHdetkqqPABZNFMOlQim5yoz7kq0LKaT97i6f..g6gHgvtIJfq0fkYZSpKm5D9Pfu3kqN4Yzu06Rvmksavvwj_QHRCtO3gRnyo7f.Gl6ImFA8K3.Klgb7JP2hv.yiYo6MZkyag..4uCKQLc56KGdIca63yNBpG7zJpH86nTY8EEDAKk36tDKXVHrP21rjlmRHKzwhLJxr3tFZpn1RFkE8WNqfpSbyBb5.wIvqX9U.9MFRb3OgPbCN1yqHdUYUqoy.uwuzlGzwzPw96Zev5EMxOkxBizYkGg7Jn8C07EqA1PxbQwVyO67rETrsebIoXBA_2w5KPG9hWKF.dblnzGwYDaCZ8wLNT09zm6usMFZHNmfsn3Nahprtub576xJwGGC2pLUKfQOI1LEnW9Ah3ch7TnAJubXLlGRxDf4GPYxw4gKomiI4bIj3sZlbjzPiSuZ4Ga1Hq.7F3DTyUDNzE93nTlkmIYPtixUwMaI9VEWgq6Ace5LvAgNDGnkXo5f0wU.sfOgMrVDzuvHzEUQHmxOxpm0sMuEjGRTO6Z6iFWu9aZ0BehsnswET5MPRZFvqe3QCzc.qRcBPdHd8IWsJVUn0mmZFhyiKuNJzbu_7KdwQpSIG2kNSG5CMP2xjWMZVO4grglMpOyrjrZvAzTn.u8UEH4qDV8iJJJ6_K2TfQOd7Zief4N.YCrSW7O8WGnfeecugOzNPAYB1phDxySRG_KLtzlv8wp6s9_io9kOgqfhGB_baxaaumcaP4Y1uJlA01pBchpZuRmlQi5gJXFOEc_sNfy8E_AZHWdLcrOTsodWvd38Uo7.LIUIgUx3nMwY5dby3JGdf_7zXjRQYAngHLEh08M51UzaqTcYNNKFKdqbYrI8IVeFnr6lJF88JWx65XwEt9PXxckIFxXbhwSpjYU3ui1TgHxXdKtCtmqiepyKxbs.vtdpf9_MxssQ3OI_JMEojD_Acx2.pAmtbtAmQ9NIQU1435CjINRg6st6_cckM2GsgD4Nj4vjXSJU18fvWOeNKaJMwi1lNovT_0OwNP.kShDzDnPFs5DiQq2IvIV.JLp3D0aRqLndhKBX3anbSCtjvaEnE1MuPggUYl63nfRIgHkMITXYB.OsPyfY1Kq0iLQkCcmLHJrZlpjuYgLpmyPsMaIGzVWZDWNQRXEj72IdpDsba6TuCteJe8bApK9MHzwAGKYbPPprUZg3eUGjcuC6Hxs0NhF19KyW8L6vzj4chyI2HO.Df2P8VwR4nq4to6WKSD.WsA65X3aYfHA9UTHHnrG7Xd1iEMsnvW71ICskC.hL3SMsv8MAEaGH2J4dkYWaDQa81vVmG1W6mgnqIgnmTxW6b1l_BKF0.TUTqvy.f3UVP2Av98mQ5bFlgj04qttEL0pMnIASCwgU4ewYxfqthsI_DJEqUUyu9Nf_jmV1tiRHPodyJe_0HDg4AgdSgAtAwErGRP1Q6S4IIuAzussywiXl1pQASO2Aas91UqJqAINYULJ.YLVcD1IQMsivJfSQWS1GpNJgrPZULjUGAIAIQrHs_gEvrKrZQFIon0Ohxh9j4zRIj_siSQCWxzmbUO6X9QGv11wlPDColzqB60Tht4IP0KUoro2taIuSicqI5J2wtLQX2H9o_rjcw59r.AEzg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fbd00639d2c950';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\/9045672813?__cf_chl_rt_tk=UyTQXjnEIX40h7xXZ6DX2.mBkRqtTsGsyp5oBgZWMf8-1739187503-1.0.1.1-AfpJBs4Wl_iyc3D5z3yVeQei3yyqUJlFqPAhzGSAclY" + 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