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-affc6duvq.mit-edu.top/post/8716305429

  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-affc6duvq.mit-edu.top",cType: 'managed',cRay: '90fb0a233dbdd643',cH: 'A8ifJnNFaE4fyd04j9R9RVMCNGDuB.G1vipORcx2EU0-1739179397-1.2.1.1-dEWtgNG4638cu.HtfWMojGoZQbFK1cEfcOIR1Ixq3k3cpSIXr7IR21P8n1.w5lXt',cUPMDTk: "\/post\/8716305429?__cf_chl_tk=dWRLgJkZeU9XIIqxnAHQGOzDzo8flEMui7JYzUgyPxY-1739179397-1.0.1.1-.JwMTkVMDEYopS8vl5cwwbP.2Y9G71goen97bESO4b8",cFPWv: 'g',cITimeS: '1739179397',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8716305429?__cf_chl_f_tk=dWRLgJkZeU9XIIqxnAHQGOzDzo8flEMui7JYzUgyPxY-1739179397-1.0.1.1-.JwMTkVMDEYopS8vl5cwwbP.2Y9G71goen97bESO4b8",md: "q6wtodIIX9iglie0fpeSjpMhF3HsvZZMC7_RO9th0TU-1739179397-1.2.1.1-y0ILug3ODRaHW.OO9uqglbc.UXN1yQXQWOIaa8lfHgwZY8SEI1goA6bvJA1V2ZRvtJICqOYhqFuC.qG2K_qoZnkqTS_tgCLMtsgLZVMUuvEwNm6XpUT3OPemqnaU99gb8xP1fA7XX48mij8V7W9zXqTGzSaFQXH.d1i82BhhxB6Q_GZydTMU.gihQjjJWshvr1mVW2b9GY2k8uqwsNXCF0Vx0965c3nXO3TAVwOaf1GB.NKAkae6oCUaA_Gev1DwT1lY3._zzCWdv8dXSrfut0PvSEMnXhfupbU92ISIPQRpwB8afy6.sKyod2lZ7sBmDby.dFKdCTZRVGF2xCrWPUg62G.Koy1rD_BIwlRozP0YJZSAQQiw1J1MHvo6DBCFbxba1HTnKd2gzQgMqBiSzPBFMwmKWeZoc7502BQDdlJwiIcbhyu39ivuQ9P3h7rFSZ5q30pFHLZjv3Dg_UedBuGsbk7BwjNW4naus3vCLzLYCIV6u.sy620Ek9TlPUHjQY7KFl_euuEcOGlElMkIfuSLKdmRfWjL5IiyjzXzjNGHH5FTdUcx_86Sf3cpPLkBrNJ0.vi_DYfj6NfI4OuVqnOJGMGIJRDXvRK4cAghRmctTX7nqhPERqPrMEwyG8fV3a86OlLwkw7Yh8n7oOMMV0FsMnb.yKDKO9.OvHPXemATasgQfFxQlhGNQC2FH.K72fSan7orAuGzEOpBbr7DiAo9ZUKtK5naVZsajpme4Er0tKJDIhWuFnsmueee6UMa8E5Uy0ZGPkwqFIb4L2oAQ_kKa3zax1aGj2S3zCoY.vEJoEJOgzfezaky.2VJankwlH6n7vOED3YJbc4LfRzsdeBTJFTpL.v3iBY8ZxnAkS73YHz4mwZNXdcC9AvNsiB..e8STewU8JHN0Ld7mzuHmNVbZFG6IiIuE2CPHRTRZRHHqxVKhHBiuqMO3jcfY295_UWu6gGNUXhfKqjllpnKQ0AHJ3SRVk0I21cTmEvoM6Vian245dwoFpsm6tdxTWPgEsO4xrecWs3tAdAS21IvMXlQTH7rvReR15RzzFITvtMImOWhWDPpErfIF9kFw2sEcDqrmU1r98Fudy0mUHnipx3oAN.9j3qPePNPbvhXGgmvpGSf2i283Ufo8PKFJ4HM0906cJong3ILXHobFwllA5zfb.9AbTOcy.PnpTBWcYoFuF4pV_bzJikCbIWXPPIUGHiwvLKuoVyHmDzttqkdFitLeUcoy484bEsNMszzV6EhglgBn7tCBET0qaX_cEE.CaRvj0_l4j_M_3x8hmke5.L7XmtUn1WP4fmDoveHUIgwzAJJpbKpGNxVxKbPkVYpngaqrrPIjcASFm3uaLNrPkBqMDSNLc7KJ4W8uJDFKuke9GVFMEM7HpPpcR6tr5pVfj.ge5N4_dHe7lo6ICZg4bvAv9823k3AEnZo192HADVAtONLY14KS3KnTT2guwceSxz5JZDn.7ojYy1Eu2SWrDq6f4dcNkLYpfTE1Jm5OECv7IdGcsiNMk2zs8cL7mlLYpLmKWJ.EXB_.rYwwJsrP7S.kIkbxJnAXSROWwTRY2gF.tenELSz7dodIg8BZXAMnTvGk_wkrqjoZ_Dz1G0dGRyzguXJm9pOeFmsZNG34gNPOWRqj1WoQV6pXX6w4j8ZLck2m5JNI45WzkCFvjAi5hHixMsDZiIShtmTphPS9L9WmpdsFJkYfWa7GC3sCwp9.WHpZQQi8_jUk2VdIEHmljo3bNrOP1kbVJWqpct3ZqALxsztwUVTmuIyaJgokYQVWM2Jm8Ld.KmGe5vknCNdTeKFiiiIAvDS0rQUHWBoWzhOvKcfsi0uqveOkZJ07HmQg1ChPh3ZMvv1IBoxeQ8jOjWzJN99zk3Agqa.aBYSPYIJKURogkNQnzXb.pPJOSLJ4l2Xn7VIBU.TFnhCe_BBQw3TT73AvswiYlhHBTB3Y5boA8cixXpAnEfXKjLMpCKe1KXCbL8q6QC4GynIIjyp3XYHGA.a2.MqLHIanafFbjKLBN9jd_MBarfXm2BvkhBQk5nnTohRuL3w6MrVVuWaCyJ_JF2CpyCWuNuuK0E5sMfocxhTk2TtQSX8uW.f9JTRr9ouB5J8BApFV.AxeXazhNyYAwE1tgTiEiM9NlFjULtPNzZt7zne0FmkGiOAYw.qXYRiaHlJj73OL5ZmN4vYkfOsp.1kjfQEq_Z8FnVS3wgWdhD8jF7QGH2lH3H0wd8X",mdrd: "X3j0YPrfvZTGw33bHmmsDuQXCNLiZYBWqds8mVW0zWY-1739179397-1.2.1.1-rgK0JTiKLaoJHs9XYk6agZeDZquE3diNA38gnn60GgfHdN.2AGdY7TCd7oC20SqVlarXL.INTi9pasfYbTjWwbO4f.Wp96Aw.1sxPg.HllfOqtXIcbmLlTYThZqThJtooO83q.FoFdwGUZLFzzQRm6GMlAnQlsx4itOUE22Tnycvk388fIUkIbSTOzHqzKc3BT0YKtkDiDBZP25v5mrKDz2UXeBnCV6GVxcIn.YCFbSTQMyy80OhokZJf.Uz_uNRWZLt.AKBGtW1hBYMblhIJYcWMSfXbNiHQZ3e6Xqwmi9kk5iH1VQR73qD_nhut6yEiXMLe13cOFDHRK.h08J9v.XAUpx370ZtXrmEz3Z3maKL.8r3wS2nCBSCsQJlfmuGy0fxdH3fwisFMb5DB.Ad_8EGXuo1iLA8RFtHh6YX91y1w.upWS36CnlPzMWXiJRwu442qeloLx5CAJVoDsPWhgXnRETCSKV33ywhCqbGG4lig6y95s6fUoDrehcQGpP_SUeHjZew9EKh5TvF8twSDdoRW2XFCWjuLt052Fs5trPp70EqNmvcaeA.wg1oz4hnvVg5Z29kJmiHSxEutNbYvyYNPbNc6nhsZPe9w5bPPNL8zGm3D8LMAlb.Z9G9kpX6yfpzDtHfuQDxCC1jObGXLcjdUK91_TtWNGAfSo5HbO7EWLyVsG2tQyGFlSQYA2pntAmenillcHQkq6yAJcbSkUQDx6AfTWBaks98.I.3CYocWL4KOhuxmWTNoSnA0_aA1.HGy1H4MHIwViLS8WkoFXKQ3hYk8YPFmps6x7ONJB4pxFfZLahTLB1dQZY83orVNEKFykg1BPDQmsRREr.1EpYO21H0u3YheAA.Z1Umm9AlivR5EACqD0pv2yNivk0reGibVyN9dtZkpogWtGot1S5yriPi4QLZpXTreqmt.Uawtey1EyepXwUaYfVsp9hSLY1Vgts1i1pnRevvKJssIFKgXhNunlgkUKrn4BktErVBl62_dW37rGp.2vn01lkS_WyxvIVd_aAHcjrRsqXiQOsPEA6L5Gou_OIEqdKMuxf9JBziKgLWU0UU86u322ynIWZVWOM5U6SXzoFKzzrR2WxQLbE2RDp0UpIq0nZGIkgTyhntMU_1vOMgR_rACAVrEFKcC100.0epYgU4EgZWhoelCiD93a9fjyVD5nfOMIIWWtoejrBsOF6GxO0LSNwnI0GAsXLAK0BL0HRMANeZ.TWPM4qFSWqiwhI3mGNZE9G_6u25_5zdDe_54ZaA879xZUZKeko9Y7XSahDMFqvXpnYb3Z4azcaS1cKnG_OOEVONXmMnDRBRY0dJMYe2h2VB4XRBZIiV2zntXpVViclizVxnyehQvUsti6uF1KL6jzJ6qjglTORxWr9rC6ngUDUetfSSb2YcdE8xY_.PVPLoXSsVuh4Xdvnoorn4Ot9bqdm1na72eWuTbs01F4MLvTB9dSi.laE8tb4hgmF7huO.IOkxVWVr9qzvgGt7WJ6Vc3eKvM.xexTYOS8NMRKVDQrQfHV8Afa7zB2HaFPoWnHzh4SMdek.T4CNaaVGIJPS0fTx1.5wODt.vpcKDazDJJRSaZ124RnviGeRzUF5GoeY1m7gQS9E_ZExcvnDDg3zsCo9OCCdPXA_YZD1VZDeFXJGbyf.OCpC2IyXTWua6Bhwg_7jKthSvKnEFOXY2nl.gZIsVF.CXysRbEfHqhZb4G9qb9lRhIHjU7kO4pwzkwFjQ3LeFWDwo_GX.UKIIZ6bdu3c8Ba63dLgNmBEUFXRZd8B1Fo.31itEfnOeKrZN.gBaMXniHnB3uxvp3PSdp07ne8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb0a233dbdd643';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\/8716305429?__cf_chl_rt_tk=dWRLgJkZeU9XIIqxnAHQGOzDzo8flEMui7JYzUgyPxY-1739179397-1.0.1.1-.JwMTkVMDEYopS8vl5cwwbP.2Y9G71goen97bESO4b8" + 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