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-affnb9h47.mit-edu.top/post/7348065129

  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-affnb9h47.mit-edu.top",cType: 'managed',cRay: '9112a710b944e605',cH: 'FzcUFg1FTIjVFlF7MV9.62msIOaDsctV31kH3JVuoc0-1739426997-1.2.1.1-wFiFV7IfkCysahPCBh96YxnW2D1Zxj1RC1uQXBkZBpLdoauRNEiMPuvWsvhRYVqx',cUPMDTk: "\/post\/7348065129?__cf_chl_tk=ToDriHdVyCXjgyxieXKkmkEC5FATBdI2bhrgbHu1cq4-1739426997-1.0.1.1-.2fS5iLhpjZ_gmEiy6oNc2_olPEPNElPW3mANXq9030",cFPWv: 'b',cITimeS: '1739426997',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7348065129?__cf_chl_f_tk=ToDriHdVyCXjgyxieXKkmkEC5FATBdI2bhrgbHu1cq4-1739426997-1.0.1.1-.2fS5iLhpjZ_gmEiy6oNc2_olPEPNElPW3mANXq9030",md: "r3lmKB2CQk1mn6V7MJJWWU5QrzRX7jNDuyGDClotfto-1739426997-1.2.1.1-nI0KGTETiWdXZjzFcKIEzVvzdN7MDhHfeNZpR1GxMmJaXlD1Yz9CSHbPh7tGXuywfkJHxTtXKu5RS3NFGa1A82UR55j49RWVxSh7oeejC82Iw1.irrEr1YnfwdNLJVFNctUJADEuaoRbEvBpdf1fUXIp20QDxSouK5ElL3.0MWiAPn1ZYyo5tWMeZk_owXhqIVbf_r.IUgb1Zpc0YzydsxYCO9yiCPXvM1o3wxCntaD2ffNVWtIv5_STFfBzGxt4Ir1STUsGkUCexe95ICCgvSRJiJJ42_5p8J76F_r3WkFzNySR7DDNLczrowv_VncLuLQQmWfa62R6EC7FwUybPSSURdc7n0lOue4I1v1mr5anpniirdDla9Xigv3qujaqebQktJtf5B1zMys25hDFEqkCbDAitP53t_OAp0gbIN3ATS1uHDAxLV9SqN5i47dOmeP0PTdM_pzw6usgeXomXDJ93H_LeR6BNt4PTv8H_UWtKw1rwDPwQirfnUpxR1xhm8N4IHE9sZwcNaCcMJhOocEo1OWh.rlvlO3bERVrELXQi4ZCNSqBAWDJLNNUwSvbzFxaX2ZNZFF87cYTiCycPE0uy9usiEA8Af2g5qVLeWHV_hQWKbk3LGrkoM_e6qc2GRe9B1LBgTRbHPFxjCw.HxARkE6LlF1IgQp7_8MknvSIbZccGOW4TQbAXKyFZioI_b4YLFRBerNWdIW66wo2z6dl_IaLIXZ9ZAhFR6_evoSoOSC5Cg22saZ.eAsGU5u.pCtwnJatQjTOZBPiefGq7wKu109SQkqk1HVHMnX6Q_RSZUz1rSdkbHTm6lJiHuw.lHxmOZt22MZg6h2Q9Na.x75Vdrg9lXn6PmE6oCi57PSjrdjgObMq2EHJ8ezuleQMuFTUIY9tyMkeI3rGuJtl0amHBxkn6HIy3ZN556OMWlf9D1duxy8Nu5BGK2IAg9.w_m9mWrbzeq7HyqDL7kCb5YaM9OSMlNWpFJBWMyNFRrV3xYACMA6vvC7GYgd3_6YOzmGBSRmwryO7YA4i8gDo_DhZjAP08HRJTs44oKuywVIITC5Lm6klyN7Pq1Mhqoqwyyv0DKzCHKq4zZ0Y_DszWHFjJuZ5pyCbUcNPkZYjuEACn32ICM4fW0SnogTqEEE4jFBJ4oLRlZ9uRrSQ3yz1G5Cr5FkRNt_fNLX_DYmPhclZeHpwKT40Ban8SCGtAlAoFi2xqu33OpGplv65ejeiQg8W6zbFwcbWUc7GSTeLgXyP9E3SbhZSsFZE8LhpEAdU6TjAWiJtKi4TCtnrc4inRw9XTzZpg9lk.JbOwxjNjB9M.cQI75LuWVPnPKxPLcSu2yobYod1hFMnXCacCAy3w.vln5vOHqWBVGx5V4ZJEfD.liG6Y1PWG9m7bAm_sHBqccXoSsGcm.ZErxbwpKHu1TjUse4.Ppf.JEsqxw_VsiAJp2URy35x64m8It2sJXDEhyApgf3Bxogn5NgtAByfhzvI919zlVS6IsF.Ek8HHta_Rh1vnyT63HZq_QKFwOGLS4bz4YeJpoHVyo54ZKCkMUK2TolsMzyLQF9_cM3HaH9QBRwXyO7CkYNrsZ9RCtGnKtf1vsrw8QVQUwoUgyMTzaxPavKXiQ7MxV1zNoBNs6X625XUOcS1.SXVlarDz3izovTuREo3fSsAhaU7Y197zJztHUYcqdhzemFpufTaY5rIX544Kvi9G5pmP9d1iWIPpvDoiA6Cfvr6MVyCc7sHmOOv0.W5ns3Jy.1iVSqiub_s7Ac6_FxLMdg8H_yJ72pZY4m1mxBkjK742JyPusr2vKT.4JkWEPeropgWuvIi.3vdOOw89IIQaPYcbCPXUtGlPIreIy7bhfINFtJdpEvuKAbZ.iz8A4M8jD2XkbZQvCUZMiP4UXUAOHjdY58HIO0JpASNupnJGdJ9utATbEmIA_xHWogpB2.TSReHbstEZypvRY_lrnrHlHeebuYHWBgAUxyBkIwXqq0JPGuGfY.DP4Vi4Ep.cxn6ZmkdNcrhIn1.RJjVNVNhuwSe_Cpl4yzVne9wEPQfdgVdfxoJXV.ztAaMj2ScoRFcjyA0B8f8d9qsi89Rwmgw4Hz1lmlZtuwjLxQG9OxY8GIxsntm6tKd57qT74sV6.z25aT5t3bSeh1pncwb5Em84SOZFZFV.So.KajPr6l.5LY.pmtWD2sCOVHcGZsukya0IkaUpDnsuf2gZz8MyMoBFqfYCqq6Miry",mdrd: "SYErgSzKynDFXDY_wN5ZUBdki5LKYctFpSAC7Y.66m4-1739426997-1.2.1.1-i9SoR6OL2V.dzTJpabQJS1YDj9oX83afe3OO7yp6H12M658nAeqBssgR_QBpxtIyA2lTW8MUDhDf9is3nkY_D9mblcehLNdEyhevmoCpEjC5LUf83MilBvwVv7.8V2x5B8VPmIhjxYbJ4RHh81GMSwMY.y4Ibs1aKDwfOA8aIRRmfqIuYGfix8QWoYStEqZWAYvanHR4zSndajanbY9n8ea2dcsyhA70Qf_h2KJ5x77.Ge25qW5LYVk0sxxnBSYGC4DOgpRPatojNcYXg3RzKdU5ICs_ngQ5hdDw4H3LZYromnVhMsJRUhQhjJ5f9l_Ylbwl7E3gFOdtb6wUogn1fTaYgRpf2ibvsMctsH7t96tOPlI3prF_55fA9FnAEr.goPF23PXoDkAHtjAGhHM6A2o0NusHyWQLvOA.U9jSOEm4QlW7MzQk5L18K6_Bk7AdFCptiNIad8sviAh6dBimu1Zh79SXz0Rck3En1d2_UmVH2avVqm77dPy1NH3NcklYk2xmQceuTVXUWEglnAd5m7EMTtiyENg8Me11ZTB9.ss8eF1CLA6iE_HXEgd.v4R1eO1y4erf2dkZ1LexfrIhhn.tFNmGv9WLZIrv6pOTRzjnh6TvdfCR0OXOJnDQ3jkue.bTVQKLNJUG_VxUwFGKwXAq2nsh5kXBlMhTv34.0zIquamZMvCPGb2PXzD4IvchMrUu6PnREI7LIuRLIbc.6QBGRWfIuwN_6OG3CySVmQMs_Ul11RWzqdlee5a6NYsjxiGHs7Mm22sOGJZ9qeN.ih9qemfgHNe0iB7YtSEenvoA7q0JGMUz8_b3wvkPmsuCl8ADactMwxcJm8OazkQJwxXnIbyNf1o79cl6r2xP07Ht8elMAGZLLhPkWJC92oICRV_OvZtwJKzN7FoqauEkYL4D8X903yHZqEha7p4cRUh2IMEmhQxTBHgi_0zsLEmC_UJxEvioGPVtQ.1l5Tczv08IwhNqWB8kJJ.K8XM8WKkxS.ZTBe8JPUOhGp9wTBqD1mN1KKJfsIcQ_jowECC0Xshr3Znj.6CtqNoroMr215YdHHFHJrv.z.65VvEpHYxdfwVT5bezzhTUJs.o9cmVmJpV1XspIuuZ4C_Cx..Hxv2g_ULFdKeUeRuQX1YAWLgspLjWzAJ5RczLwHE58g4Z0suIEX39OKrVbEH8nqWxfA5QLSAGVGLhxpSvAkKuQs7OgcTH74yc7fAfqQxsNtmv4oxw.4GGuFu0_qPfK3kh5HXWahNTx3bYSUA9fjUvcca713a9EdYjT2iZqgAdfZAG0lMOWRlGszBxl9RkHgrkNK50wSq8EHeAWQy3WA_GRc8TnUEZDki9BvU4g4FyKhZ4JLMeXIL_YnTMzWwBws.Wn0NEboiqo40r4bLA.VKOBHRgDfoXFXmiP9aKY1p3iVbv836nj6g6kvOLa8gVAWbIBzqL_2knTbzMq91VqxYjH6.3IU1.t1p6pwksTEjVptGWNGvGPDjOhe55a5D.lKOn4.oVFuIu84byF1wGoSWWs2P9bru7czVX9IbM8RdUsy63YrKFQpnuc4a1VS72IMDog7O3wFoMtYkvtKEjIeNg8.orma1wmwPTBMn_1SV1PN58VUalU6aBwODF6UWEllYhxny5yZV0N3_y3oOsczKwMAcBBm8bbBi1Rldrt4jlaxSdr8VYNkfEe7PE_DdrxvaSDzIbtXp4Fs3x_17pHHxT5sSXsmUCt7w9YYPZqyPpt_w2xuSk9KUNrvXHl65qKGAQHkDzXOOpNkapFGmRu.L5fSIbWS3_v6mqHLadDwya0LovKw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9112a710b944e605';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\/7348065129?__cf_chl_rt_tk=ToDriHdVyCXjgyxieXKkmkEC5FATBdI2bhrgbHu1cq4-1739426997-1.0.1.1-.2fS5iLhpjZ_gmEiy6oNc2_olPEPNElPW3mANXq9030" + 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