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-124228120418.mit-edu.top/post/0417389562

  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-124228120418.mit-edu.top",cType: 'managed',cRay: '9110437fde6007cf',cH: 'JKtnKhRO8onIEO0IUXauWoODKq_h5hII_3rGjVFRt40-1739401948-1.2.1.1-lMr_5oID85nxPXHrjDgG8NIcbWAJRITnWNtTUvCVksF8tdrsk1DsGjoAnLHEaZnQ',cUPMDTk: "\/post\/0417389562?__cf_chl_tk=hgWvoY6JTTdj3hXa9CuRDegI5l0tZI9iQHzzru1FVyc-1739401948-1.0.1.1-OKxkWEWVLH8Fgr4IO0f5Il6rEPMrnpNWAjDVbwr51bc",cFPWv: 'b',cITimeS: '1739401948',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0417389562?__cf_chl_f_tk=hgWvoY6JTTdj3hXa9CuRDegI5l0tZI9iQHzzru1FVyc-1739401948-1.0.1.1-OKxkWEWVLH8Fgr4IO0f5Il6rEPMrnpNWAjDVbwr51bc",md: "UWob77hpN1uEMj9WD5CqbQCTsVkF3aVMIUQftsZebX8-1739401948-1.2.1.1-_NCx7WRhBnZaKIKYsCCulhAvsVBa_kz3VKbVO68WvKRR1nkkAc8bV5Xq2XiCKrSo8owM9SwSwt8Cs6I4.0nQPy1SinA2d3qz39YzsfDXrUoqLC.V7mlKctu9I43Blhw0uaB.WJNNDBxnIsQueGmJGHVtoo0K3qVhvOS159XiymkZ5g8CF167ERFSdgSxc9_qHw2jgAoMT_Y50Gp909CB96gAqlJ4xFP14UKEC0xtlZ.eCd6S7zbzTgAIOMJ3jR_f5EwD30vuLahATSce1voEOGqoC_vp8N4mO3xIBtbhPgPCw4gb3ubX4ptzBGwXszPIj2LkH6teRaZvxZV62Hvkr_69JJwG9DNmdcYxVlJJJYE1UrPjE__eETwhQxa32c0MWcI4Nh3lkcHs9of.C_5AKQI4MZZicOhYsCfxjhnxkUOh38JMq2i44TuZtXCYDe5BnfZriJLr5Bts8mhsQBYUUrJLtfVZ5zUj9rmr6jkFKVObwA.a2X1LKyLe8Bvcd7oWcu55S99Aj4e.AwESs_7QVswevEJpl32FcxnsXZR6decY2PcNC.ojYVOrkCfbO.oq38kMapPJvA_JKUtdjoHcDQPS7OeEVFQvgmilI6hH.KMyfaAHSSviAhJmyeEPefXFauloqwA9507WeW55.jPgOWgFYaC0icA3ZSIy.cYUDCPXG3E1cPzxMjECIqLWvYptv9trb7gM0fMWrWuyQ4vrAVE_SGxWlogGZJbVd3TPdLomUixYIJ_eVUEHJwvTGaOBzuCM0W9pmmteu3UIOEgFDFEZNc_1mLni_LUW8QsuxcZHfj_nrGTBfyvEzdchHzmaNTE_IeWz3kQvUJrojDzVBBmjyq5N99WfI1TGKBoBdnW83Jz3K.fsa9WFcNFEK4Bbe1G3lKsf6koMAM2oWronj0pTdPo7qxDQApdAZ1H9kw375VMnvSrVf.Es0Bq.gqFZdqYyajlfRujuDvRYJFcF_9DJDE4bwMNQ1373L3BKrEjEtt6QwxhlrNNaWkdVwrERse_wYpqDjc_rscna.VLkzIybkPV.VnnYF0dD5cLIdC3uTGIEMEN4dwbKeU6JbXjfiRqvjNZuwpJTaZBFIqC3KmvqRv_HwOhtZ4d7hi1.OGeYxX1cykrgwo2jWkdImx.t7sF0etgXV207LEJHnAs3b4zgntSIvQy.mp.46nqvm0v_j1e67NCiEDpMz6iTeMjaPRCsbJfRYcgKyPizWk1HXmLkoscqVXBDXviYdzcBiXM80N6PRxoMNJtd733a..Xb0KL4hpMo7RfVapywBMTM7N6cGiozNDXPpOdR_ULgRUN1ppYCkk_mWz6G4EVvRCP7_aWWYFNs7QYuC7Hi180T0y1v1D6i.cCMAKzcwfsPIJyKA_3su1Sj3QgxjihnL.sZBB2BlT5odfr7xucQZBojjGNfGNNZODDPjjKl2jrNb43TtU5XYdpDerLMxa.jwVLcj4LODBAI8vjflDGPpxRoksX6YxSI9j3BKPbcEGuZjX9TKu.ZyEx_q2tW3HqJO65qTBzeWskzh3DLJ3NJKxZXkjg17oBMvgb8jRc6O_uF3GRWKemcxRPQ3QkLGTCs7VAoqjvFmLQROauKX3k5iquROiEosNfdgT7SP5bshEeY6ebf.vp50BgTSCzQLBvppcrh4W6LbsuySdGw7rmn7Ut.xtoKUBKgWSYvAbIoRpss3SXLAWvTehuCj9Fgd8WseHB1LKbLcjh2OJ_X6P_Ij6j_7dZ3xf8KbSsKSSIlW58Kqvjg8TLlfCo6OeZfx92hgb4mr_br6ZGCBSKHnKkTrdsZrio9XiD5agaw6qP4yqKA7585Dx69SXqH0pck2qNFdYVJO1j_.1BgSEbElUXw5Gv7KpcAC1cKF2ljM6LqlYbPTGuogrsAMb_JqsrcKAJ0mGrmE5Mhhl49MQXwKXGKDJzM9edacEmxw6GLsIrcpDEovHs2T40sRIlTaacFUP43OzvvqhB7jN1eMui2lPP_eihbeUnHoJRpgHC49K8hDA.JMF7l8jGuK7YeGqgBgfc_SCZFrC6YDPEkC6jUp55uBqsmK5rq6LQACEnjWwk7nkl85hdHRs80AH6e7SflqdrVhjLVTsHfwY.kiPJopTiMjFk0oYrLNJWkhzIf2P09iu5WVZFxGu77SMMbVFLC87KeRi5D4kkgHV.8ZzUI3EHK083ZDpl4DJ0eliiQDrEcdhXPGbLaHVxz_SMfVgtG6uKGuTDW",mdrd: "s6tDoLCU3uLFT5u5alO9l_I4C7zqQgtK5RV3t6L14Ig-1739401948-1.2.1.1-bunAhIJ0SbWD25sA8__vGlY4u.Q1Eq5jZAUfxELXWuDKWPME.bNMAYju_Jh2wi7JBq7nXCU6eeNKfnx8SAPZbNjsxfCevZMq38PZZA0T8FqMlH_Y8JkWi4AbrMUWc0CmsZc15QM2mouH8au1gOlW1tnJZ5acJF7UwHdCo3lFFDjG6LktmniQ0Ifx0wKT2Ggo_.QG3dZ0Tutxsp4jJ3XlGihtigccUmzYg7d7cddT6ofZj19TUGx7_G36dyiH4BRqMxjXAIs_tG02OwQZrZvfx2tN4bR1.emRF4Mn.lArsNGWCsKbGnXvva5XwDMaMyEJffvl8Elya7seufI7z6187_XsfiUSnlJLhv6oTiPCJ.8T17PqCbYNrWLUfGjD5iZesO9sjPxHISDQ.yba4kt9N9gP27oD4kgsbZa6s9P4nE.KsfkNpvNiniQXrra2W0xK25a.3jJ966LGAr_TqIhoQtKgJjMj.sHyXmY1YJ_Rc6LwxBhVBnPveX2eM2UsHf6rqPD_Oz9RDRwx8mTpLk36cMr6fXwt9upbigM8nlnYtgDgHKUs9SX5YxUNk4D90AdvJ7jkx1S3Gcwp07rf4ML7zadtJaknXu6o3lW0TQgf8EXFgR2PLOThOEBelDGzF_zviWmYaFxnMdoK710mJl.xbknpqKearWwwxzLw.TV2Udn.JYFRe111_IGN4IrY01E9NkE2RnC6He7bkjhI2lZnRAj.g1.yk_KM7zuNF.wjFUZCjyujRDIjb49vwUc748Ovb3yUffYMngl0cCab8gxuR8FQCS3yf5B5S8LgixQHGF_t0kEoTBpaBjhBssDBOGX7.Xc0uB.ghW_eDcILwK7d7KMeeeytSUFEUfGPi3NeDFP5UbA83VoPx64knNthwVCW1h0ncEmj4Ejzl1jvg8uSuVs9ozCUtQ8Vp3rOC_PCU1FHEW3p5F767.IZr1fedAaiOEMPbB8yk9qs71tYFED0Wtkfew0sBt6PySoi0GUFwzMoG0nvq56aDfGFMbU9BvGTLcu3tZGbTlJVmandKz7J0i8z9GCQu4v6ckreDSjmB6NBiFMaghLOuBP7FM6VgVmxTKiimjR2ssh9gY_a2mc.rgJ_ko0y_Kr0rYlh2NWxcWz2AYZnmfNaCrE30dYE1EOEqy4bxMtTR4NS4KsRc8a01PhAsg0xvk3AWGvcHGMIgZQ6i3s01z7axehXLbTKVgWkO6X1kJL2DEDfDeczx8PDdxLHs9x3aQcwFGqdFB44f79WlYFAZ4mhysHlU2M21Jhr9ymnsKaV8EN3.DdiXUfzsTSFZZs3Q98Nt1vXSR4.PjJDlJEVJBpfBJv2ZS3f2BHS7VKcbeewKOsAeQHoHR3032BJCZo4nZybKq78Uw0.f1uQ2OTGXh2qsFlqAtct9L5AcCOr5pepxA_hvkNNKfrgRV.5qqh0bKnrc0UuRtkubNTCFW3LfIKBK0zoXSkooQGGLuxUx8Zqkr_b3RSoCs8M0P89SHGLH7t3hT1xvpla3HmB3sCCrfQRQ._7bCddXYEYOyGfq7H9QxHVYGpFmyTwuBzRMRDfgxljd0jIyIY0_XZJqMRLlEf9xzrJT5DlZm4lMENsBgBLQDdErL.M7z8efKVGt2tZWXC1OFl9xvjeWHu5UDcK8k1W5mcrg8Y9_SqZYHl7o3tEvArUHZYTwg11SNOSt4gLRKI47shdmSpm4KbKhdRJSzllrkGu7iTynIqDD4ciKkppS_PEuWJOmzU8kAN5dLJVMy8wbgx9kKDNjA8wwGbHHXMuNeXczZQms3LYRdYeNCh1BwkRqJ9wEyTzI1gIDLSD0tWHxLZkYThAfkw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110437fde6007cf';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\/0417389562?__cf_chl_rt_tk=hgWvoY6JTTdj3hXa9CuRDegI5l0tZI9iQHzzru1FVyc-1739401948-1.0.1.1-OKxkWEWVLH8Fgr4IO0f5Il6rEPMrnpNWAjDVbwr51bc" + 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