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-affnr5i67.mit-edu.top/post/2563910784

  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-affnr5i67.mit-edu.top",cType: 'managed',cRay: '90fb0a29cd5c8287',cH: 'auvZ0_vkHayB_fZRXaDXmcw.Ko9QLwhZnzzOjL9eY.A-1739179398-1.2.1.1-7djGz2vYmS7wrMlXptbGusmqc6oLcdmfCFqLchcMrpjsrOYglXCpPO9MGQikeweR',cUPMDTk: "\/post\/2563910784?__cf_chl_tk=MB7EurZlLGSt3vn88ZtxaF5VtxUkl9MJkY4OuGX_doM-1739179398-1.0.1.1-m7jFgStr0IEwNWaVoGWLFh5sICXYEXoqVtxBMmnRBPk",cFPWv: 'g',cITimeS: '1739179398',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2563910784?__cf_chl_f_tk=MB7EurZlLGSt3vn88ZtxaF5VtxUkl9MJkY4OuGX_doM-1739179398-1.0.1.1-m7jFgStr0IEwNWaVoGWLFh5sICXYEXoqVtxBMmnRBPk",md: "UWZiB5vDq.x2QOx0vlpPf9YPams83c3CF0EmHzS5kwc-1739179398-1.2.1.1-3HaGPtB2EWjzjSGIsWrx3p2BSV99Z8dT1wRIVwfN.1jWLmJlbGPq2kuO4PWrxaGpBk9VpByHmSO0KN6cClnwIQ84S7mRPsvLfzgXSJ_KcepI2ddwGrCc1iyOxAFMIijWny5NE5SkEw.47JhsliVl4JNOtP7pGLxZRZRin7IY9o9MR9TwwaNvxa95YmiSH6.VDyRA_O1_mYyPylUafbq6qcgaDlZqO4f2RvjhAtRzTSNgx3J3DL7LWiHqiBGQuV7kP9unw8xeibCsdMNqAlFEbxGSeD71Z5xSo8iGhOm4MOxK3VQK6XFRnqbOPaW8m13JUvz1wOQM00EALcpxrNq12WacahzNmjyRyPYseXGc_hzFWZkomMY4dpl88PVchokFP.VgZItIg1vSTXAwS55N1RyMno7LIKwC7vsryiKqbF70sHqyBggNXSKEclPcZvStYjAyr0vyxJoONN4Lg450uRjB5GCDihrtzlZ8mmTRydxfOc7fztuV8H.UN3Ch_BWuuXMLePqxZo5R22DvtCr7o8BFtSElI20TDiNUD1vLjyGdcfWuzaOj78F8UAs9DjkNC1kajuxJwOV1TsJSuxwdnaYwsj0ahsmNPbDuKVgUGCvQpb4mL5hzdniSJE98s3t_HX1kbyZ.5TJU5oTDYTDnQGsxaBiXR0CMrboxhg6iY3rNfsX_ZKjNnNFSiYzpdQb_7vMXyd_REhiy4i09ahJ27JNHUlxQnnkYTLgqdPFlPq0M78NGNvqfB5HE34NVb6KO.usAs.nDaIQuI9vsgN8S9FEsjoBe.FncZbsUriq.JpLCe3lLqc6YnQ95xUJc3wRL2IH9PXQQi3TudDgAfyNc4YImW2resZHklwDW30.zcfoI1zDjanP3fGARMSz7IGFN2EGtz0V91lJLjQMB4kvHSmUOvcX.6CM15_kreMfQn1.shmvm8ELx0wtuH5sDnHpbtepiqrRtnkJ.1dE2EoMPkLtqZq4heW1RwFJFqhLblOb_x37qjx4pMMruRXL_.uHUtcElFdjBxlBtvT1Jqt7Z846joTojIPQNvytayciMU2yE7BrFIPCGEW_aLaAwRY5vutJm5zjFXLTIX.x3.P2MosY4rI.UhoYLWaXr6SRAP2JKkSa8UTTDuuKluUFkggpz4P3F143yMQsePn9Zno.f4ifltCp8QJ9VXalsh5SzGDfD8w2PL5V2rGokTur4.RlCYDr55GSGsP2LH1UONwo4gADXdIh5TtU9QwCjhuGvuZbD7PaaXatAIR2hmkku.gOzQ6NtvCKpsar7HGOuPsr6pU_tmqyd4Z7Wv2GP_VwYQ2w5Vi9lt69YFgEQW0EYC30SbsOngVarjkREnHq9Epw7u99.jqCT1V6g6FHN1BEJRlILKmK6MJre.AiJCE7g4I1mHG9FX4LQpTrtZrR4pbIv4yREal4lbjKeClwE0yGeZb3MrdyFJy6UoE82Q0mCsIWNE.SQSsI_UKTDL3KONnQZCd_1SYpp.U_8oAwrRaNsEfpnFkjWaF4Mar61.iPpE_PwSZ9I.C03lBiJ5xXYomwSIibITCGkHzilPoKON1YZ2ybETs18xPdqY7uL6Hjv7EKfMCBcHgiOA7rnhdFf8cryvh7CVS0sbYiKx3zq86NymL8vEcnYD8kvJEwzNKuCBdryD1hEjEh0HIZqCWtRQcuhFtYKgxvYIqJF_7wgCJjIOt5BlEIgJqq98u2yFXS1nFYdfX4CdQHdEU333yneZngs4rd95fgz8DwvrB_Os7o3Y4zNKxLoO0LXq7t.B6blyCA9B90E_P.il8oZsd5zput8..OILahhgY1DCPOFot0uldpz7vJnD2F69vnNBjIL8tEw9yvhfTtahLEiRFUJqDgx_wk9_5ltqZD0MzHiRszAe1c4sJlzizogOPh6jTvrZQlDDgoAKGEFb7HpyL1.JF6oo8nJsop5MyIMN1aV96ofsTMGZ2rDEr1US9vPcz3DHXeGW6a8ezLU3L038aSG92cIMkJuVWF41mzJcli7CQkrl8jDOPHN4y4toQaV1VnqJBRj4oJIc4uRYZCiaUFbKJlqS2hfOvDyK2zT2gqI2VLF8mCr6TgqEYSIa0Tt8LAz.ttHCF2cu5IBDdN2WDc_D2LUFoGkd27XACozwfo5_TpRkthCS5yAeQkQK_tznQQEC.AGv5qQMwyjDA1TvZovJM7CYe8BvvF_8IZUNIdU5lrfag3YyI4Nd.4nwCg8rmBb9VX6",mdrd: "qGbmKWD4oengxWt3EfQ.bO1bHQ8nvP5fP1snQUzXFzU-1739179398-1.2.1.1-RFkjggutJM_y31NO2cnrdvj4BT8TgC5AGedQBpI1GyblDnTT3UWFbd6uu2UV2WUwbo7Dngd_G9tMQZ_h8GKR56TPIijQxGC4HGd4Ma8A7_OmxQa5Te9AGeemKP5Cm2ZyQk.T7wwgjdgUrdLRG9RSmpw8Z3taqyGLmxWwmVbrDs7VZq75fMiBYdI27TfLOozHoh4Yglh_RPbDtR5APn25kCCk3Bh_V2W8DDYl2jYsRSvxnqieGUf7Ldb3QGK4UwBpVTVzqvwRvTboryAnPyUjV6e.baenNq7WveExy5Uco.8q4b5ssbbGWZ5YcxoJyo6XflOxKQZ8aBnmrFeXYe1p._RSSmjc6v81AMWgn0WogvlamIH8b83OufQeM.Lp89gIGuBDWNtlhOxK3M1ATl4kO.qU1fa3dLdGlgaX5xGRXxczLT29flcnoNKo_kG1.6mqghjPyxVe8tT.0F3Ffek96eNxwKoazq6mx3p1_IRxTGauVZzZGpkTOjyDYtXm._wMhHc63QBFPylfXE8nbl.Z11Q5Tij1SMaW14heY1Z3ukTHdZSTdAvbvfN4ivfwFqws93FYg6yFOILIvqW.XgOZ0WzkxEhYZbXRjrB4HfaQ9gl49jNj4GXq7yIDAV8CzrVpcxf_CxfRt._1tAMF6ifZd0drt.KB9snq22dONLAppdt6zNmyGstTYc6gtS2J53xkBfP6vVbdUf8Ya2nENIsQ4m_bE2s.SyoXUcsapaFQvISZfn5kjszprGvb7Ii9.dZpslncRnssvD2poRW8BArq58eHQRO4PIoqNcEAuqCWyCN33h5ZHP_czyzA4weu3_M93HOm6UnzWUT3lsxFUlq7cYefnjU6_tJOVNoYgxVAvfwsiSdhA_s9Vb6bU4QJ2l0LLJx5vSYKDuxVTNezHcW83kJNXz9TxxTCEpWJB4PzqFP0lE3nZh9yqqAebKlyONV2Jo77yotdcvuRDUnPzu35SRMh2uUDhosIhfjX1gCV4GR2vBj.Zjyf72gnFmb5.3E_TWE5FGjd.FGbRzkmMxeQmmUv19mPBaaqsGBK9LNIHN6juRW_Yr28zbMC6EwCN0TF46SVCF1LimUsjYWHtbaoWZPnktvLsF2ddUmwDciP4tBAiwJ2TWDKGs_62ePFuIKmCuTzpqK1JxV.qONWrNQsGhjr2I768oUD7h1Bxc9vI84tc4pjaNQCuw8OIGxpkViTT2B3SYKWA6bYhh4ryOnX33P7AQqO_z23ETifxs.rhN3BQCAphk6YHDZYIusUSgbZReFHsQ4xls54W_VyYMhsq9FDp7m56eHdZ9_dx316cqmkT91Em9oGJkL1meWm7ceAC9eZ.sEJoFokMn2FfmUTUJGlsRSTPq5GhNnBfXOV3yqMoJf2TUjIXpBrpVNpOCHcclYmBM704i52.Ik9ACjcQD.ekwNqNLVzB8Wv_rG5vKtICpVjKHqQgkd1KiBCxDBoWtlD4fLslJdOFL9qDgP.GGj_IxGnI3kOsyVXvzK3HO2f7q0SvRn_Au6s9j4Wm114EdFtIZr_6SiCiUtEQITq69UoY7TpX38f8v4.Z3aa8qfMf1e5wERHu97JTiIpnJ9U5.2njX3.zlobTcBsHsi4pmPU5wyw1wziUTlt42eNEnIUpXRcZx5MsnGo.xJGHtk_ij9NsZchtUD.4C_5JG53A9evmTaftX3bjOytekQsmWZYe6S._zkcsr9AOJQtH3Qr7SQCeiQDU80ouX99dwKzsSpYBdnP7Qfi6IWd.rnkbXAcZE07B8RHebAWRamtTQ7w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb0a29cd5c8287';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\/2563910784?__cf_chl_rt_tk=MB7EurZlLGSt3vn88ZtxaF5VtxUkl9MJkY4OuGX_doM-1739179398-1.0.1.1-m7jFgStr0IEwNWaVoGWLFh5sICXYEXoqVtxBMmnRBPk" + 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