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-748131062333.mit-edu.top/post/5109764283

  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-748131062333.mit-edu.top",cType: 'managed',cRay: '9107a4813b8a20d7',cH: 'ef_zbxZI._ORqqr70WbAtRegLd0vqFz_Xq2Bv83zUZ8-1739311549-1.2.1.1-Pc3I2erLVA2pF7CVhs8QWJqGfHQtYD5S50vT1yce0QlcFCxbiObjWBOpUJDkFbpu',cUPMDTk: "\/post\/5109764283?__cf_chl_tk=HVudbUpvF06Ntk2wHQ2mB3JTTETh6PVnIv3RierWhuw-1739311549-1.0.1.1-tjaWkKPkNz5fRh4XgMQOd0h4V1DE2VOSXOQ_K0FdDGg",cFPWv: 'g',cITimeS: '1739311549',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5109764283?__cf_chl_f_tk=HVudbUpvF06Ntk2wHQ2mB3JTTETh6PVnIv3RierWhuw-1739311549-1.0.1.1-tjaWkKPkNz5fRh4XgMQOd0h4V1DE2VOSXOQ_K0FdDGg",md: "ttLECwIF3EXBRlVt8C52iDoAxYnU.N22mEkq9zccOr0-1739311549-1.2.1.1-LCmnGA4gISXu4Tx.kyFBuPzKWtIDLkdyDY04ljF5wWAu3cWmMh4TsLHBBzSh3tkuD4PD.wfVTnDD9RA7LuviowhSFrMiZoDKWKXBJvBa_gGL4Ff4Tpafx8soFPfXJ9uh0GwrEsWmyNvoX4Lqla_UA5tx1yD9HzvvlhDzvCxXsb.plj8Prb4QLvJnq_ekbHcxHzNgCzr_8hjP6NwXRb0rABTosWGrlvPrpBBqPdtm_nmCC0rQqWgOm276ag2LS9eZr4STnSfoUkD2YkIWZtGbQLuDmDBHhg0cN0cd2KWiUtmBfaZaXFodRpQOTLnDODOQRNZYWvclgEqcsjxg0jj084vD2xstgJnhEfwJyS4SJkHYpitmjHLq5jd7StlzDzPP0NPWKpffMQ3LMrNmo7iLXI1e0WDBmrzCOzj6C7eEL4zS5wIQv21HASfDcy9fmcUm.28XwEWbmzsJyur4S_MOKABSv3BJrrifACLw_4w.qc6VbBXr7eyLs3HX.NtayCvugdkynYT1fsEBuisvYaQatNGKEx13w0mMaykya3WJjeY.aaFWvRdwMWmzi3r4_bT1c_2yYyHFCpClbAZ_S.1NMOvPRHOV5e7.V6hT2bp_OXCAxp9h760yYuI7.PnJLdz3ETAttdeJOE_5K4q4Q6CMH0LfD5KZ958YZtr8JZl3ticBhkhQoq8JpSPJZu29lEOQiagOzE1ldumy6yeLJVKknijmc3uMvvHyJfQEr4a073HFMBqk9GBUPMXYxzoprjuk2GjfUGGNZrNG7HrlYiiLl1fHcbEv29nk3b4oVuY18jY3onWc4_w7uTzm6UHvS1NrLVWyNiywHZZZv0nf9pAbhrZ3RZMsoNL683qRantoI.0jHVkx8FT6SDzx6iDFGOUz.8nPMUcpHNaNdEBZK8tuaAP5K9dZ1.UMLJMIKMNSfKnSI8YJmd4ganO_Demkpqm1rUMm_T2RPPS5VyWODbjGdNQtITpj8NTotk98q7ptdElN7LyCgd9pTn00PwDa70gRKsA.hsBS5CA_rWoKlQl2iH8w.6s3gD483pRG94Behr77BPWBdDYHqeNbnfBZc3RKUBLFa.LnB4AtVSRUcmDznMNbFNONZP5TGQQpA8s1304Gl35AljJRAEy2vcyL1BWoHbKZB_zSSrNYuxGHtlRfXdwHeXkyOyI.DHNgT4ow3sZubvW8zN7r17VD.JZO3ofwNjNPv9AeP4vk7kAXBGqpIkBuIz_kPiUSqIiK1056OCEZ4bwBICeAZiAaeXNbTMx9.tfL0YyacmjbBY30om4aH3vW3Z7_8jzzsgqHYAAvoH3jWz25P0KPuI3ZOuSe42U5WcTeBAHbPllUw3eGl0jsuBTfvrqJRXpWAbMFpbbI.FJNOEW4KIZBm45NjUFyWfhde4UssPNnr9KtF6SzIjYukXK.tWFsxuRuqu7YzJ7BPdJaZkbMBHN39yn8qJy76ryAXwE6KkIDPiuzoZQVWFAwJYSNBe75xxdS095YTSo.q.uTWK7wPMVrcfUFarFauPnalnCUqXWfXJkpa_mc_IC3KK.W7.vbHi1BgZiRSVEY13bv4o0IV.b5mZBqT1w3iLKF.bwh83XJ2T3IJfAYo5xHGv1rfVDz5n.i5TN6wdcjPZyesRsJXk93oWteWQm5NJJtHfMZkh1vg5InZ6vEUaUpv4auPbkMCkc42ishC6vRUiJ0zl0syp2w1tD7CTwRgcIlTX6uKU_ti6Erqkc_kKH3UOgUI4saOICKBzv5fRvW0dpIXo95dorQXVWNLAWEyPWQk6CdNYf4zS3yf0LeKmCU3mflhyeunrnmJecQAUrX5FFH9sQPdp8ulxgeEMoP3Vhcnf5TR.nXzOozfA0RuzCmsMjItggkWlG_9KoLcEV3OG_5zz1NE88AvoOWBASnDwmVeCi0oKBMCoIJzBEHBhyCzEVp4vX3yVo2GeykPYkq5i295TKcNzLgxsQYLaID37iZ7CQOGKZ4cMCgWbxSgrR2ZeQ0Ac1HvGNZdetfoawKgno4Tfn_eyU498Qx9nmYGQ7uVXaKxr.vvUSJ.HzhWYSI9j26yUcnvccFmkP5WciimeTTywVPqAXM6tkXSbqdXOLq60GDsi8NbZIt_AVaO2x6bqI1lLfjNvm0jZQX4_9y5woaAZ5kC_APLB3VsQs5PcaOhBm0LvZ_MQ4IjLCvkCYvPwbC.O7beVOTyqvhaI6oHZ6blhPeREepEIqyc9KfUiRp",mdrd: "kfEvW1CfBaS8.Ul_kOcFc8n8x.lk0FApQ8Wq6qLm960-1739311549-1.2.1.1-sCzSa5DEKtuua6OHFr.EkauUY2l33FxkQ6BcYsnGIRfOWuM6tY9dISHOwNhYZF2CHdU9Bo3HnyFE7ySJqfMSIPg6_e_pjlXS0V9gj4b8xLER.Ph3wxkQ4HKQFv_vPWN4qp.iYdan6PoiwgGIyVB3FE0Oi6iX_yO.51E4W_lilCqGfQc.0P7TNwz_v2fbmi0Cc2Qy66DFZkz6Svn.QUo0aZC.kQd1LVgNzjYzQT1B4hshXjISQFH3IP15VViWqsw7UZpkooUDOSMfs.yZns1F4oq..u8s34vpVLt0wq4BZXPWMrxtNWBjuJQo9RygXHJiBN2qhPEbLpTnp4YfdkaN_SmegtkcqaTGi3uWSdM65e9jI8rSbfTZZAptzzU6JYsGn8sReZxW8Z9x.YuyS.X_NvxjsG0_6wOAZ2ADg.5XTam_.6HzDxO2nCp29PIbXN4GZ_4sdaPnfASAWmTYiZd3WG7LB3hGZpC616KbHAEgqRCOrsp_U2fUrHCEnLywZxIYVYd2SamnQFcJAaOQrO4dfjcX4YGazOsYzYW4bQO0iSZaFxRL_GYl6.Zgh4wz0OzuiMHGXr4TlBjRTjbbXtUxEDMtQZaOWIbPktwivrVbwCAVDiNjl2RNWepql_phqbefBEJm5IEdkkUtjwrnr5heVwdbZSSc58Xm7eSDgk2lWJZuu1tDwEHyX5_SqDbPmECWcgnKJ_I179IXa8bccsCo2YEaEYW25qTarukddWIjFMtmofomAmqixkYDcS.j1T_u_WiZWA.74l_yXzLg_nhAEzt3k5KrSk6vEHyoSwTICg_qp9DHqdiu39dwmRIayN4fMq0UXNdU7Jo3VE_lCdd0scDAKgL9PuQFqnMAgFIl6h4u_UhaDUxDX0tNnKbTbM1t.34k0vdYCEdKSeTMbJ1z7gvQEz4awCgHGzxisjclySlWho23ZnlriZLKxx5y2le1znQuDxELqryWpj3BD1cP5hAgHPDUtasg1pAH6nriy._9QG0GN9_CLmB6ueFCLhB1jIX4cbSJYw.2Nh.lo25c7X8rV808L2hD6USIyH3Qn6ZjyQUeayPJY87cqHE_TwdsScw3pl0s4K2XBuiZF1ns_VNFaQAdT22GbOKAkJknHtss0tQRubrWI7nOp_LeEwdISU7d52zbFn4gvFxi0.sbA_hSZgtsNO0CTFLNBihnth_Qt8I3rCufWwGu27.RUgXwIEm2cERlE4C496JoQpbjLogvzHmuxhSEWB2WuOWj4vjP8f8us1K_a714HhxBDUrZoHKX1dq4cWFN0IjNrq1DBwNdwdOKqQ5o7ZtDemGIEDtcy0NJ7GnTVZEfChERKPHa_k0ddmrUoeW8No75DAiwC3HtefbQofFbRZkoGZzwSCsOU7StWL_owPqXx2eKnFgizOjg_Rr9saho59kVEY7fmKlM4Ca8OBooardlF2rN2p0nO_5ANPDtYgiHF2P8DiGcNSlNcLGNc.r6K.IHgn7hMAFHlML2KCyzPWPA7ag0iMTjy5xvUcvlxOo2aZmtE0sVOOJW53NQUYOweHaKAiUyY3NrH8lG7kckPf625N3zES3S2qeNJ7NqUpoFvGOGWDDS9oRa_M0o2GLGFy3gfQ6g_KuU9yMIochxI3YIhUl5AnDWgNjEuH4lYj3NlHA_y2RTlLyNMCcn36WOtqesh_Mcpj_QKvD_eIAimaOOvYCEuWWJBLDB6F9YSI1Au3QG2RIJrA6WI0kwViveh9_KGarsqIKejoDR6V2dQLPLDCbXbnOOrzCjF78l8a3CK4456c62oS.BDtBQM_ZMvloi09FQw95xElVmsXcRdFfE6Ec8viIg4P6JDNc_5vb7vaQ6tCo2"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107a4813b8a20d7';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\/5109764283?__cf_chl_rt_tk=HVudbUpvF06Ntk2wHQ2mB3JTTETh6PVnIv3RierWhuw-1739311549-1.0.1.1-tjaWkKPkNz5fRh4XgMQOd0h4V1DE2VOSXOQ_K0FdDGg" + 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