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-220389970749.mit-edu.top/post/4937258061

  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-220389970749.mit-edu.top",cType: 'managed',cRay: '90f374cfcbd413b7',cH: 'ewchmxqJ8C4ReNtCW.xQYeuQu577oNu7qCiplGYejb0-1739099880-1.2.1.1-TYSqW_HXRetlBYNK4jwbu9pWTZp6Rz9dj9aX51Gk4153fNggBQ6veKws6UmPE1_m',cUPMDTk: "\/post\/4937258061?__cf_chl_tk=WT05gGc2AmFl5LTnv2eSROQWLI150olfVXSeCk2dOX8-1739099880-1.0.1.1-Eo4_pLGd9udzNfexiiy7tfwjDWwuNzQSIvhQCgLKvrA",cFPWv: 'g',cITimeS: '1739099880',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4937258061?__cf_chl_f_tk=WT05gGc2AmFl5LTnv2eSROQWLI150olfVXSeCk2dOX8-1739099880-1.0.1.1-Eo4_pLGd9udzNfexiiy7tfwjDWwuNzQSIvhQCgLKvrA",md: "38CkUYUcvHFMCa1laTkJZzHglS35Tx_E5usxUx8y7cU-1739099880-1.2.1.1-.VZY4MeSiIj0f894V2In9FBt5Aoh81.MLRKwnDAmfXDbJKL6DFdXYKIrfhF6GnY5bp3ibDUFQXKZVT68CU7NeRw3m6zyUg2N0qVGytnBinIwOxcT5i6S.XOJD11sDjUvdekfj51h6dP8VfeX06Mce9fcYSWf5fmVj83Yxm5.rseqqnuft7Jj2bQHs5xiHvYx_JRaGFA60ciXgdAT9D3_l0LurdgwrRIauI0Ik.aaRrFKuDMdjf5bWumFQDl_WUEVEew02AkeGbaujzC.kCLdLuopFxnYxNBZMsKkg03ucxVMTl1m812XmSmRMc311ekof17ycmsoE94BzDDi0jWpW9J3sitIz8M0a.XGg5QJcFRp3dB1uwqWfKhjblYpqX_EATjgr69l2rFsmkW7hKCrKZvMdneOBr4Ejuxxmuk95b4yWRa8Fu21_I9K.NY5VSdX.MxnwaEYxWbQBYBYFeF7Y7dnokYRwxw1ijQg_pshOTqaRAhgOWpSX0I3klc_.hoHcZiBJBI70r1CC9fMzRGVlDEAfaHmf.RM3RFWd7yhEFpI_8bzaWCB7NxXRsKJhVR0cG0WxCcUo1qTQbABVarwWopsUPF.ZHEy0MHQLe2YYmIBx7FqAVsOC0shEG1h4ORkA4mA9fpXcJHQeqxQIq2ZZW8SMjPYiyb4aRzmz6DWRR8v6tsy9VShivcGNIMIY9Cwp9dNIq.fHbYK5x6NAWAxn9a_LL.dB1.e7rAXjKiWjr8uZs4qnedDRTdqMFBuvLjrEhjo_Me1vJGC0ivmBqvEU8CkxWI9995MOe5E3VyEVnbsG5og5iiwLiL2R4CPe5lvk47t42Fp98YOgJlIZ9e1OIiaVtvKJScJ1VY.OYmLkIKDlNBP0BEQB5o2wgPjUiJqDS1brkIo_KaJ1nbZPJ1LktnGAaeprGkuvE1HEVUjUfRzrEsAIZcuDpuMKB2aamk382YJseHltpXc58ihWyqb73pKjBR3PFpQh1BPHzGEiaubPqcn.IaDt4YaJng6y5LELX88mwA3KbrtJEnDgpSckkXD6xnyG1yOeK1YVzYQoLZPBMk0P2f0DJO4fyoBQH_1Xmi8BcJTp2YQBjvp11GJFg53JEHmcjomer63_gVvy0nkWfCpbbX1IUR8ufC77VZdEiZu5F.qgxl5lWoGZpypxKEe5zwJtRaw.0o2oZLDjozGbo0udWBdieXG7_NOkrInNipWb1EveZeRkjH4NN1b7nph_RSfWDTn_FEf1i4wtVqn9zp.GfAePbPZpLVhUqziGj_3w14TT7bWDk8jsbvXbhjWTVf60CkXNPs5lsi7xJW4LOkfqKp1vYd9KHSRxRCjtUjKSp5lbGZM1ObvD7LEoVGLbIF5aneVLUpOulUpt9_ZTYtGXCfEVXHGgF9td2PM.NAJfALJkgZMBOCb5fbT6.8kHPoANgsVg2149cI1sysnfGvrgyk2GZwoQ1MxixHV6mm2Om1u53GEGECyr1nwEj.mOXTyoOn.CorCo_0KBW30aLp8OLXiK4xi.tYU79D0CWxo1RpX1xlPBsnutrfNeGSPpC1SHOyTJ795jpyaciVjB3Vzb2kyXm6QcJ6jY6YHceQhU91ln_onk5eJFKdji_stv5woXMoHGEhwQCS1YeSlbUCXp7nfpx7lbzAYg.JR.EKGiwheQGZ3yQQHo75mvOMUiVR_nwwDB_HcxNZQZj51EYZ3GTs6GF3RNJIq0fideZEp3iypbgV1RGWVrp7JvN831VIRtS_kCy9wbDys3P56AZEWiMsTzzAk7B4GLMVdsH77pn.4JlyqRuFUgWmKUXPyjGYBS3b3CA3GdQviyU6hONUh1Er4xZT9qBlVFdd4ctMX0Ode2jqtvSBG9410hhvzKJ.TzyxwGhA0BtCoXm427n78FWWiRcj5vEdK9O7mGjv577VIEmQX4JqwcW0XWz.GkPYcW8TIWB0WdJ.ya6406H3VI8Ur40_cgrL96kacYvB..3xb1fisLeQrbaS1fmpSA7_HbbwHrkK1jFAPZDFKtG7yk5lXDyU.wiGjRt8bdE.3HK1oOjLB11OT4NSG23b05EQDLyIHP9XUGUp1L6Xv9LOmcbNADdKXpB8TQeMhtDk5bAxTSqePi2VtUPROEWEQsrpaudp53v98zsTVb34XDUDGjtEskwJsydEm3IyNBY.oNP6dcHN2pDD8YOW40gbMhJiFYsyzb8dGNxZc3jFbP7NwaR6QmW8E3OnEM9sK",mdrd: "eiuK6ntMKFzZeeOpKXrlynprcmpubcbS8rYUj9MgAjM-1739099880-1.2.1.1-RUT3Wv58.3h3mSdVRkqUsMJN0yc7fX7kZ6GmXxYFzVIEiPmRjjjPl_C_Orx9WZwy7Ut6Cd5PZFBQsmpQcAdVzpVNP6zTipqeqBy36EloiwdW_42lKGqFgD29zxmmiPKujwnlig16Wfc0GHsXXGwYw9p6e0AdEyxwHlb23.4qI6RtrDWGK3oMEaEwmW.9pxomsWivcwKQk3.bSJuWJU9yCvRpyWA6Q40nos.J_oi25kfUVvkQzUCcWZubOmLvxGqT.623t.1njsvITM7BxVeHoPiPWTKfun9DlqSD2Fkx75g4_env8r3hxiaD0Lf.wuDjp0xeWe4pU3hXyIOkym9.wEgbl1CQOr94gQYvOJPlmdRTcMI7t9QcPgcToFkYhJjrpphmRC3lXw_iW0kheg7AVw0c1WF2gBWE1mWAPbRHxvTfnJM2oS2WK2UkOPqB8UU635lpMYQWWNzAJIAHFmfrRUNEQKZXachuGqTn.nszW1I2wrbYC57E18Q_RWvMEHC9qeEH7HdtssyauV6167G.iVYUDCt22oArxYlaOgmiQ_DBl78KVqJuX6_3ZjkW0nofbBka2s8vqrrJ4FPOlQe0qUtIgY0TSux1caUhDK_ObLDf.RYAyXfzb8QOXCo2dRDnsDvAkprBbsHuWTO7BgttqSvjcgvL9AErKyvJx2N3oefFl0_naiLzWMcYOBYcsMOjOnGRWPiv0S9.q_T90ndWUjc5mvQilpzby3knNUqUR4Q5JQ9_cOi1iGt8IOgkO0xx9QQmYQrBYNOfm7cIGehEqIsq_If5QwOZiHQsWOvu8hypaC4ery0JfuWuYrl0ALaCC_GK22FGkzi9AB.9hl76T5iW_lUfVqL8LQZ6t1vWeO05TZVWFAjtjr1rUJRiuzFXN5IpxahOhY5INHQjVeG8EwcZreZ0rfYzAy1Cs7b692yRfJxy9dFQsMKU1kfZCqCtXDpfbYAp_wfV9d_VMzMAzN8_B5U0.M34mew3ry7yN7CUn.oS4Q76u1bFoEB5IT2jE.sIfCNGFkHaKwhAHal.IHM3Uz_EZgVP4rDVvZE52HPKXGWJ_4yePEAnw_fSSciMksA2OFld69UewpYJqUFtKDrwYqJL.6iXi5zPLAqSjuV1eiVB262EZ9GGZRtlglV41NgQEhIeh0OCEA_xfX_SsDQ8X6hmo9S9eOJS2rK1H7CviYa52Xz7LHf94E6r5Vmc3jP_EAWjgbLMOxqmApHOtVp1qzANDpzvPifF3OdfyK0bcl9rQQmirKRiqb63LnKGCpOy_jkvYykVInCDrNGkl2EqDw_WmnxK6kzm1wbu9ayl9J.Ou7_DFPov0BDdTb76xLsaZMxLN0s7S1lci882UYmPtLUppSHLHM7lNmGcdjcy74xPJhg0JgykL6qZNwgI2DIJuBoESWIbZvznm4Fe31yi8m9xW5dvZmBomQVPQno5liGy3bRmuGrq9k3N.lw3ACWd9UQWDjPSpA4kH3CnzpVCewk98o0jAJ1e89Rdd.AjfPNKp7Aet8qFQWSvy7p.22vlEjJGzSvA_5OukJ9IQfZutWAoLhjAPIpSZf.3Nai4munwPB_lYV.Kwv2OvScCilf1kTeBmgnmFVg4vcSyJIMAZjDmIo0hhyUcNIZZYsHuvA12FKIC7T733QzH8zFd5JXUJHbAtzSNKsg0lfAYQBLNOF0tSwlvMctK0U8sgpMMXLPR5S7GgyTrtAvIq5gNzY31nyMkwG3kzOuQ_Qz3wik6VgtMvF2PYWqAduxhx6eeok4gbtYUj5moy1ay_qWn6faVLodhuX9y1wkKXR0ocez5O7iUfZoDZmP0KTb4Y6mKqzPDAiHRcVdwKe87ujzZ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f374cfcbd413b7';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\/4937258061?__cf_chl_rt_tk=WT05gGc2AmFl5LTnv2eSROQWLI150olfVXSeCk2dOX8-1739099880-1.0.1.1-Eo4_pLGd9udzNfexiiy7tfwjDWwuNzQSIvhQCgLKvrA" + 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