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-affg6rdwp.mit-edu.top/post/2835790416

  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-affg6rdwp.mit-edu.top",cType: 'managed',cRay: '9107a9011ba25a0a',cH: 'dWIWXwuwFzQ6wCpd8ND5OZ3QBgjuSs6CtcHqjVgGdFw-1739311733-1.2.1.1-nj2CccKMjgGoUB4NfinoTtEGKdoV1gQ3_pNmy8aUJk1Y_ayHkE66J7rQBDMr137s',cUPMDTk: "\/post\/2835790416?__cf_chl_tk=V2VyonDhKHPrky90JmLcwa4.fmLJt9nEJQKuvSqlxwE-1739311733-1.0.1.1-OQXynd.XYR2Z7BOaCfovx9e4kMSp17oWFMlYOm3AKSI",cFPWv: 'g',cITimeS: '1739311733',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2835790416?__cf_chl_f_tk=V2VyonDhKHPrky90JmLcwa4.fmLJt9nEJQKuvSqlxwE-1739311733-1.0.1.1-OQXynd.XYR2Z7BOaCfovx9e4kMSp17oWFMlYOm3AKSI",md: "6qhZmHF19TG2Xb1ujaHi4NNtVu1ywQ8D152KwCbN9wA-1739311733-1.2.1.1-Gdd7TQ0xWOH0qR8obENLQG4n1eXnk0xuXKARpTBkDZJcq_STa4MhGpOW_FOWZEi0uy4YLLEW.PfbRMidMUKsKbwSuH_qmf5lNwwJe9LtgkPfuxb0piok21bm6UZTCtp3Dg8rt.CGQP5V9Bf8hF5IJp1WU2siHwccpw.sd69EH0JAvpzvWKXksKHn45yeRgfN2mp5iHKVEgkVliH90Zg3.PdVJlyJ9wtAwEvUNGa3sure0BDncrm3ggdiqyeckpChbCiTiblBu18dPFqy_9bJ8XUmDTTAT7IcADWHj8wzuAuyS9XeF61QPuLiHNRb5Y1tnryLEUtDgFMOEWq2iUhOxhXegWxdCeo5cF8DmnyWUzWYDxODre3tlpo67qZwCZam1GInSAdFawOUaiw.nvOLlfXtzKgz1GahNRJh6Wh4CkJzd5AwDydN3aPP9jx7JidQtE4089ZXQz1_5VtfnuhBy7Wqy5k_7.gLQqVQ1VZRDh4RFdAz69Koi3cJqbw3u2m5NpdGAmrfLyyrGY3tafe33jt1PHIcohg8Yw9zhcXr7acJb23.tgCzu3IfZc6FRp0Cy.._LYDCYJTXtruz_OyFpyra.bKN.LgTM2Ms4Ao3YDsPAsqMlSlRyrKa87Bjd9lL6ML35bYYsyvHPPvfS8Nt8NLpXLmETE9KyFwbSgQIsAjzFK0Txl1wxaaL_J5udMaetorkFBRK.BqtOSoCYG.2uIt7UiJCpOzjYRNGoJ4FhNkidSeR49hcaJFZBwdywnF2F.cLQERjJ6ATXQ0dSMfTwHZThzBEPEE638d.dt6uAGAePGP6oYjCzOMa0v.LWLxjdmjcOylkSjWpdkn5Z5TpcuGl7U4mVrX.qvmsCpHZMZcPx9kJLKPBP_cYJCaAwZJCvb8E_Hk3sN31n6XIS5UDg7erSN1NUKHUmGgYbmnRv2Ha9xfVL.7YwxEZDNjusGC1b.qRoRYIIs7pMfd5vlKZz7OXXycIBqjnF2FCt2rH5aWoJa5e7VKCpqw4Jucav2r6oAGXVm1dRspx5VYnSYScdYBzK7cysuDRrLfbbOSfiw.dDJ6ogadT1msYHBbnDlo1R3PzADkpQYDi583S8Lo7gjIZLr8_V3NHHt7QsbapTk3rlPGohN_D1sHx0JBabiCyAN3.9hHNLhEaKHnL.4BBwVz1SNmkMtkjqgDIXMz9Ngz_g9neSkv5jr8Q31Om9Q1LthPKSy9j.Eu5174wcgcidBXA4PWv2FV3Vt5LQZeBj27NrXHqc73OB0P14Md5kw_OubvwofQ6FOfqQF0Kw7gsE0vdXEaRKtDSj8vFeLqRcFfllIrrpdfr_Ox5nfLRj7ga9huQOb.HXwXBVIAC1EcWpCsMbrvZQmNlji5tquZ_VxvbMXMgG2UAuuE6BO0ttv51eqmb5Bic4NdIrtdj.d68zumtbdoezB06d4C64HSdSu3Zv1BpAG8DBiFjQVVMwMCIynPC4G0hsMLG8TgaughXwNMJw_n5J0PwxwJsOk6lOAwvqUBFTMH1umEkmUlFlWct3k6HBHzFCgW1RQNY5ugAFeXWRLMlBNVpqZscSk5m4leqqgZaZGZNktrcnsB9H_XG8WcoLtndWpJp5MqILLGJ9uHU0Fn7jail2ffbqHCSayJ9AyTzNWGMPh8uF6rVBCcGR3FnWtGtOCfGtcGLFxTJk.JiHPPLyfDJWsiGAJ4d2AvLVc1ONxsrpdzHQFAwPtDbCa7dgdtDDQo5VqHNcROHIYWaKLlMMZ313Em5bZyvJye.aJ6drMqcf3hervfvm.14rL7HdSHzYcKR3PDmOB0wx.LXufjVA1Rke3nidaOwJ_tddrvjyt_EJJEt8xP7e_t4RMvcvDWDnU81.Md97IFyG4Com1hy_1dAiDpwYwCwREaGwgsyLa3gOGbLtQ9om36jaFbQAU4u4YCdGYkCsqOhTHytM2pReZXM4tdDOu0Ky_xguz02r9KVzCI17e2E27zJWFVZcSTIRwR6IdgReV3n1EhbCC.9dE.Fk2MORlUv0z1JkOwxyxvwxLv2RmFiVjtsSpDygSsq.lgeXtIMIb0_Vk1rla2ghVtbXf50le8O8hqzKNuwwiD2G0XrOiC4TM76Ske_dzzAk6utOjm4ApjF1fh6Gq2FVG.d9zrtCEuL4CvZOfPLjIzqMqSSh7PSSfyf7FJb62TGz_rwBbUlloAZfK6p5imaPzuBDEdqWJL3TiAYBbiQdzMsxUbcdiDgItb0",mdrd: "dovYEn6WmL0jnPnf_Bq0jmgpJxdpdk6s0ZbcG3ILRdw-1739311733-1.2.1.1-Rf4dPpgyW.WNY6zmxBeydm6nCNDp99SFPIuS.TvuEa9ftNDd7SFrbdx5bKjrcyRhyKkSCZK0yDGOgVhw3z9iUMeKOoTdyPSjLv9odPR.7obsnUIVvp0J0UjeF.PrQqX_qJIX9HDbwdl0LdIVYM9vN.7Ych.vceY8DRZ7ASl.WAFjJVaeOSzKz0UBLHBt8pKt_TOifB7jFwoER3uNoRRbH.TdjYyzMGfQoPmNrKgK5Q70cryjRnnYr5.h5DEqfEgODIIBK9Y3qUjbVSkVZ7XEOQnM4V_V5cnfnLwuhIJFR21WoAxpkQXe6QVP2FLLnwhMUwGkQzi_7m1qtZeZqDKN8_wpLY_FRwKchb0i_2FF6DNsWuaFobu73g7OCi83TF9kkqhmHJLFqWyKJdxz.F3jhEOGWoL06.FKxUNfsiE1M54BUg9WedGkUnfsaZ7uAVGxtPoAQnSxwlPxBGwoMnbaB4f3CmUVrSWLZGnBqqPRJ.quFn1zHg_PVb.nWXcJF20Jh6DluyTqfP6Ul.JEYTXTEXIkZoVMz6d_xHC6JrPJ_8lnDaIwQYVh5AcPlkMY9PZkwlMs3NXv28baVBWuB2QMgkHJyCA7VcFKtF43chlM5dsonW2.XTSLhxvJYNIMqUeESqfNVNGrsKLvoVRlK3wsrOOX8wXfl7.CkpL6vBfbwgMnGoUsLQAYIGOyeZWJo920x7ruJChvRKCbJO_c_8K.0lp5TnTIMAXzJt1hwGL0T.qt_ItiaDtfFERzCr8RpO77LKsajwiREQp3BL5rput5McUcps0kEzVKSq.pukDrNxch9Y5JFXqgtFgSPJRDbcBm_M2SQHMNJ6LRFsgIi105jUJWkba821BrzV2rULPvELo3XXyyObq_0VND0q18wSfMZwL17b2xmZHBI0O62i6l1peYQa3SgXOz5F.5nTm1w2HNTK2NqHUZf9wXObL6pOOO8agUO7YJ3JqYLklb7Qv6vGBXc7SZYMDHaaDHLqp2XsoI4RRzodk5nL0n6tJG14NnluJxEIPyqr0FaKoCHgv838Jh.EknqdqBoGmcmfrHEzxrqMpK0UCMVQoA_JmqvF3xMuoUwlbYXRgqrTVx.CFt38kxwKNu_0nvy6XaKzKDxuNwVKZB7mUxWS3CHnXe7A1WAe4j4xf.i7fPQ18YdZjN9p1VVoFFq8j7QZCtkwyUr.rgX9.VA8u9P6s5zymjfay0w.buVqMjX.V96k.xRSGQrkjf.H5ZxoG_d9b4GxWw7TdCX6kEVQoj7K7PZh5ecVpG1OE5PV525AypnrgA4zLZDDd7_Xynyh28MGMvaED0vlFdt.nriqrs_VntDvGeXah_RUnztM3rpHaPBbGA6zfAiCXaE4cnI50rHdsqFWfCcxWsTWKuk4Ao7_qXuSUo9NX4CEwKjo__VqbfEK9PUHBcsNqAGWIlQU7pxmcQo2heNH9urCfSc9zILgAennDtNKKf1bgzr.YtZsVYOSv2WUoRTfOeI5q6jnyiEKezSt7IqwcH.NP2QcTp0zjlxx9P9w3dyOJSpvvAHG3ThTyb6EHDxbdV7hN.S88MRoHcYQoGX_3g5eVf_Wo9cpokMv8B9VotJAqO4f2MmmSL5c_cxioznT2uClpQajrkwaNnaA.EFUMN4i.s9KXBRUGd_ao33n2vmd6YCFp9DRQhBtstm5osdbVzJlYVdekGyoNbd6Q8ZZs2FWLhn6kETfQSDGqO7rHaJAexKPzvDmiYsa6btdoGLMEmIU26dmY0y7cDAMQuOoizdChMJgIfSu1B7i7lNAF.TkU10YYFZLCjuhxrzILVRg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107a9011ba25a0a';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\/2835790416?__cf_chl_rt_tk=V2VyonDhKHPrky90JmLcwa4.fmLJt9nEJQKuvSqlxwE-1739311733-1.0.1.1-OQXynd.XYR2Z7BOaCfovx9e4kMSp17oWFMlYOm3AKSI" + 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