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-258374097794.mit-edu.top/post/5391687402

  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-258374097794.mit-edu.top",cType: 'managed',cRay: '90f37618284a879a',cH: 'lXF3N9mhdsvWSuUTSlvscZTkASPrkFsAmd9t27QjTpo-1739099933-1.2.1.1-XVn9uP8ivXdr5lSrnSGBv2gpkkvk_K8X8kqd1Vk5ysrQ3wwSgwLkYTEBvlqHFgIm',cUPMDTk: "\/post\/5391687402?__cf_chl_tk=YZZvmu.tD3RprRfW6u08yXCAHjhSUSkGGoEwvFqV9r4-1739099933-1.0.1.1-MtujxRUhLyE.LOp7cPYbLA6ZCgYguYn3Dh1UabVaHrk",cFPWv: 'g',cITimeS: '1739099933',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5391687402?__cf_chl_f_tk=YZZvmu.tD3RprRfW6u08yXCAHjhSUSkGGoEwvFqV9r4-1739099933-1.0.1.1-MtujxRUhLyE.LOp7cPYbLA6ZCgYguYn3Dh1UabVaHrk",md: "xau0SpImLItUIFVOp3cw3I6wlr0745xkKXauD0ScU5g-1739099933-1.2.1.1-8WzISMjXsjWulKD7Ag48v.hl.9hKcswi2r6hwoS.R2889iKdWrEjqaagQTJquVTojl74w5r2cRnMZuh3iAM.0DWPIB3ndCTemiT.qutfHkRdllevPvTIhw67NkdfRcGr9D3ajiXi.1fFVl44lQG392eONpy0RQhwx7jPYeiTXtZcSxcK2IdVaZ8X3OJzfnGGct0DjgKnVXlRSJxNdUUluL6Y3UPo5ddpHpbq5TttuZhfVk4jIWWrinx59K9eJnXtwnJhO9YHRZRuJGI0bfN6hlyc8Se3CsfvmcHslug3VTuYfp9inwj2Vp9IDIScIM7DHnwt87Q2FfY6naGvo36.vcOQPK7f5in4QwVackmwg7w9Cp2PD1wDeciowQTvUf.UgTL1LbM5g1yOg_WXbvofe2X1PR1EA3iEWeukUlO3f9OcceIkIeUoQoy90WzJUHgTxjaogY3ez6wHyL5TOjVZY3AQo1QW8sRVHWpPssRu1llT73_4lWh4FxTjeJLZL0xS2Blelgc9tz5fGU8KfoPx87i0F9iKrNS4AHoywnRbvQURs33fimEQkAr59Z8GumlFWjrTzwVF2rc55jkNihZWnr47lzRAM0.flhnGijvgYrU8.PprZfolz0eILVMMcgy_tVJjoT3Ek6nGQ6PNAUrAZV0QJoUCwla98tHOW0P1ScrdBby90PzZJVZMr2cQWXaw0tLjRffnvg69cLrpX5.ToXlXfpQ3QJUhrSdg4Et7fPBuegZDGkYPayaqWuctH_fKsE5ez6KCTXUIMMYuBcoP6ZblfrUzCGGSddSj7BYcD_pWz6NJryeWFrryhcHH6yUVJO7hvkShnO8LCHvghLzF4K1zLwZwasN2FE79QL3DqBm4TrLqGhPO.mNru.cTQEnL7uJo7BoAnKyLcMChH1IYxqtsozHgdaJxrfCE_qmkwKRj4T2cqShrcizhk3oM4xmZR7WQMnNq0ccMjlvV_z6QX_2Lt5IkhoikxJ.ymTN_3TVMXAjYCVnTXwOFId2H5dFHRShrqG77M2vSQt9Q1zdfA893_fK1BkB31A1BCeTQQv16yKwvzilsjRYNsmWum_zwXewkhouTie1JnvE9X8U8SsHDAAxs_gtMobUzpFj7DtdSf1gyaiMUdgeZozxc2D5Wb7Yp6iuKIFlUk7ZFEJiOz6ToWIWWf_BhufWnpOxzNepT5rkatRZRAfDd_G87e1l.XeVvgAQS9xHN5.H3w8dRP8JU7VMWRJ.ShtPNsybAP1u55CM3Yh0mYJSjwoc4Y5vo7P_ek_tRh3pO8V9V42Uezxfv6jaNUa6KTf76XQuAGSI4apIS5P0QQyOaCWAssbE_PPqAljtNIbq7bsVitzu8K4wYXC40kMrL6efbboXRpF6vHhNP8smuVgjv_SZBkkcLvgcYcsG0LpVEZ7ALh.jmTUMXPXEPucZbqnDJEK0nB06WHv6Bi.IU0gjJ2EJ32q_WOngKNr7uQDFbN21agrlgR7nA63jMsMHf4RIoJaH6lcGD.ri33CchZAo1TikBBS9RksHbsgB4A7E3Iz91WzFKnWV1NUQ.CvSdheihmQjEPz5q9JChhkLULFtlabVlKOadrl3Qc_zBAD8nGvm3XeeWVRqvR7o6a3Ppoer8TXfpalMBuGjEK6mnnS_7dRTORhSIK721Ezv9xPJ9U7Yt1nWQd1J_sQimgPXFPMYBqFH7nFHkjYmCeYDDC4762soBvIrdTy3U6Hk2pBh9IE0zSGT_jOjXOXtPJI8EsIXFRwBfwVyge6I10VErOpBDhB0ZwnF5Ext_G9KlLFl_Cv1Qreso0U7w4I15agY3AQ3.JSBl_drGv7AtigsBZlOtc1F6wk6PiCF8.QQHC8NZ3XHZAASAdwY_mf8gWa4GgNCAJwdQdEb4wEVNmPR.XcNBpNKHiN6rttTDV9IWQf_6NFqzYGf8NQwjjX7Wnp5iZURe0AMnhWG2j0RbQBTzmEh8wqWfcThZxZYTyXmcnEN04_PMJmj4tD3ACbN8.Cl7l4A4Po6LwOJjN3XmPHYXTPu4m5M3sEDdVCccqHQsphFosOJKzEDCVVWHnZwdhNWucVP5GLyeia26Mvg.HZyHetE1kPSSoj426sOBOfMDLkT1XAoaw_aP.ZwP6CJ2enFSu4dk01CrLqOBpexnLwY9kpM9AAoY9pd0ErCxJ0SBrGmMNN.sYgVGAXsAwMnVNHI4OYDDkmq7pY7uJ2JIyEgby_wxxBI3FPhY",mdrd: "YAlPZM..3o2TZp0rp9qsMJQl.s2m_xeqxnhlhnDMPrE-1739099933-1.2.1.1-uxJTwFhqCgTedY8_cYH1hso27dyS1hUi27ms97JW9azAXzTPEhE85odXWKCfnC55HMPtHQcf2v34Hgsi4RYOfg_0A1U20nx.Yzo49gyYMf64Q5SbPZvxvceiUy.Gp_t9SOCjSIZkUsi8or_pTS6BN14_XsV.LZS4NTTUfBnVxGLnK516.opwF7G6EVnmfk0sHOB1M0KVmut9VllnKf3F9oKMkdrV7WTnZ58u9QH8aPsUICoDVUdXxsqW9r1lJWKXC6q2SffhfEqTa5vZbWDjsOSzPExUdkWDWz_eTH7cpMQQr5jOertH7LrSedI5UIv1otGqih3Bb_sceMzruSinwwbprGkNwIGHGTFjv_8.Qk0PIEucLYpQToTpXEdCaVlLpr_CjH1kc4_LGsx0ci3KMdwLUmYC.7hpXfNbplcRD9Zucp3jg1gv7qqawGAsJ7nz1Jf0wmTazPOqS0sdsQTt83qdieg3IcW9S4ciektojgi9CO6Qp3pGNYUxm2Cm.A009bZVtoWXzCHMC0eGZ13y19U6aq7lRlOyn2fGsUNEBefWo3n2jxkTauYeTWbSadJJqP2O.nb32BCXwwdl4tZrlrosnaEZIBqA5kacewEc7ld8JVq1h0EfOnOuLHMr7Lh1_.xXh6mzjngD7yuaS10dc9es5Dijfqt3ADjuPNTlc2a6ELJ7ulM9CKGIabr65vF8VsFtGFLmVprPNK03t4tySHK6DTiqgT3EDpgMwqalSEYK.XstmnwfdK0I6UirwkMbappckSqjVp.Yx7P0uharP4hOPiFZQqN8ZWnTu.Vf7b0j1zuBcLHzT2dQmqA3biSNlOSVnOMykRlh_VM77C_WiX_wMvQZ_r9kGDpKZX7nY80F1xYqNlU9Jr87oKcnRoOsOL8Yea6RHCRwItlBctoov_uNM_NRMzcAAwzI7HNLnoqQDfM9HbuoJ2JaRIQ6yVWSEQdHuFdfljLzyRmF0N5rXHWyryTlL7JTlcyZBdg.LfYlgjKTF7T69siDy_BVsKvSmGHHscJb9zipzFdgssK3UJCLgXD5iHGewRz3njPVqFdSEXMby4c9UycyOZ_FHLwfS.tFYkV5MRW.EPIFvmZDq57vU_ZIDKG85OLIv_wEC3NZKHC2zPmwBVBuXXZKxqDxst0wBpGSW0yzOpryc3V8t5FVx3ggOuacxSSHTiytFpZcY0e1SOoNjKRYqQdhUjKNu90rS5tgWG63AS8kx9kianR5nvfc5ZNDSgLtlZkMs7ehtjZDAJn22610K.iSdra4A79Yocgvv6a8ApR9vP4dgx5DYH0EfS9qy.RadeSTtTLRpox0JsCbx5qVuu1spV.rJVCc0j0mIpcfXUlmubiY8CuXvGg6C4GFJg9YhlG4VjqK_r.SMHgRR5AdDu94maA1g2jou3naq9fQpEcBQQ4ceupweaCk3YDp00KmCx3ks5P5WWna1uqL.pGZ5o1_9gZ_k1LsoY9ljqPvjtS9MRbst.e25wGWzutvE7_YJ5t8Yenh_c4gkg7dXFKuP0Q2zAgbQraMvpYF0IEoeXtUjcBKjwcKNLXo1bwAem69g1_jDCa5nVVbHPCf5KQimaZlcmgb4Nl8DqLMWumX29kUeByGEikY_7x0BbkweOX5m6aWl.OezBwd6S8sSZCYJNpg82J9pIU91QJ42y2w.5AEVvQezaeDmyV3d_WW62_38NpAoIfp17cOnUR9pBzl7MrGB0Rl4DSxVsBzwAef.Qi1RNReNBFLnyjq5JodoEMTVtqBa3pgh5mPbfC2K_SbveKJAbHm4IPOmu1nOX5tqx5zJujSQQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f37618284a879a';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\/5391687402?__cf_chl_rt_tk=YZZvmu.tD3RprRfW6u08yXCAHjhSUSkGGoEwvFqV9r4-1739099933-1.0.1.1-MtujxRUhLyE.LOp7cPYbLA6ZCgYguYn3Dh1UabVaHrk" + 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