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://748363.mit-edu.top/post/1528679034

  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: "748363.mit-edu.top",cType: 'managed',cRay: '90fb08c26cfa81be',cH: 'uqJJXKKhKNpfRzSGCA_gHqG9Kyj.EBZdwZtPbTVD9KU-1739179341-1.2.1.1-9wLLvWxWgP5HLAE_5s8XbM.58cWEr3C86f7gnem_D85PsGFAp7fRJM8PMXqKLP6D',cUPMDTk: "\/post\/1528679034?__cf_chl_tk=ideVlobscgyGRXwKjC3rf6Lp1e.h65MrFnTE1QPVdEU-1739179341-1.0.1.1-qfqnNFOpqQzctPHLk3qDnkkciMVca4j_X2fGnbxqDr8",cFPWv: 'g',cITimeS: '1739179341',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1528679034?__cf_chl_f_tk=ideVlobscgyGRXwKjC3rf6Lp1e.h65MrFnTE1QPVdEU-1739179341-1.0.1.1-qfqnNFOpqQzctPHLk3qDnkkciMVca4j_X2fGnbxqDr8",md: "Ye7SFxKplOEzoT3Q3uAIxcorR.VLIEnRyJgg_sSQ1H0-1739179341-1.2.1.1-eLl4UzsNRJEj3lGOanaZ7ApiaWFDkPDy.nsb6ZbXASzrHSB2JmnVUIxIjC7LVNZAB6AfiQiPpBHbOCuoMCd6M42wOCnYfiDVHhuHzY3izLTur8TjktuUKkyGNpS7EMJQqgRwFXUvsIi21lpYSIsCvzp5IC2T7TDkiGIRZtTaQcWaiGgt1lNuloHfhJpGmkuGH4Z3.BsvR2jGc75UgOXCE52sDmfWCF6eekSEkoc0qastnjBr9EbYQqRqBgt.8NHllmjoSL6iPTKOmGMk3PcQKWrGDOSYTdpRNcKz2BEDir780pApM531h2ZYgp2JEV2n.2IBE_I24SFriqfFQcagA.i.C0I6r3Wp2RX.cOllkswqwu4b9uutx7ao.QOhKI7z0x8chPl6B5eywtHDyXGGTP.sjA3C7mhgyq_6dHAZCXnx3tpem05d_1YgaA39Dxxog6SqDmzjUF87AuXhcJ8MD_nFXcNRmAQEwXYPdgAbqLNti7QH1c7uFfh1t5Rid.bYspu3htbXPoUDfpj_15Byhe7OgDUfSiWAhZbrN8zoj9MeUpK6seieYt17i9P7wzZEkdJXdVG8GKjOVezAWfIK7uBzlMdA2G4HGwjHI62s4hiQNDr4nLn1NKC8.vL..j6czQVUTwtjeM3E6IK24kbNLB5KMthCjllz3E_cbWSEccyelLVsOKvjlLFSbqEmHaxkPv0M8SqJ07YguYm67eG5.zA2E7mPLJqJNDR27.lLd62FbiGjV46urj1xV1z5sOHm9x7meOCt3XpUGIY8aTg.UCsA.iOKfUpM.Mv3ylHEvLZHrN.rjsJAQyZYbPEuGifVyBkaIS.4eynuVxLxVpzCODL3ep3z705zI_NVxBBCyI9nuiYQAgxBnN4sMB9QCeHYiphg0HfKdITBBPSGRl0D1cO.1o5Rsn9NuRrYAXwN1rpacWaOY2OcQFvY05eVWFEKnUYnzx_OtAulv0plAnlPUuVz7lNYOXRZ4hVinntoEzaEVgbbzd_JEZXVs5p_4B6GXJp1EnyT1ifHlA4g3AJNGYuey2D9JZfV_TzpnROU0CVORYoJF7XnB6pp2CG8noS3a5YX5mXx5_am2lwkbF2bXlpRD.F1l4sxXWASsWg1cOwsy1fQisMm6nU.TzKg86rflkNDWqJsUFt8mGzjHdskaJut8Rn7RtLfB7ZARpFB_fQKcJxxhZP3u_iloBydK0y1K6NoiqIKzYI_GX2xTb9rAXJO1MUN1_dEgQs12doG5YyaUWTpY3_.cMwEyVC9mrD04bKT5.uc7gnhhgTX2r5mEGXu_S.47WD_GrJZvXcOO.GQ3gs5UJvqCecvoqt6RdOEFEg.l8UGZ6ovfXn33X8ZzvwHtHleG.FohQyyKsglO48YgjhUG_arYvitEt4itrmQ3OocuMlHIlTNPhiRu7uOc0gPdIY4qZJP1TsEED.ZE8RLZ3cpglzdLHsHlddOBcK6qG0imcyq9hNapm6ZNy007zybGMNePtSydrlPGA_E7959rJupQapl7rE4wz_sY.5sn8KFCWWlQWnHIOO1qOWA4wczCQOFr958dfaL92AQYhlsFZRQjsa3.yec7liHeyOmT532IPOSukd1HKBU88H8XADCm5Kaqjx9K3xCVbJBFarCN0NLod4lzkJB7aqcCxfganHDpX2GWILdwAnTry3QpbOKIW3B6Fvl96NRqjgiyxWj2xPOOB_q2xdEVZaQUfi1OoRWcJw2ig4_Jh2nlbDwF1GxQqjO1Ko3rKld7b8GmYXLK7TbQFNB29Lr3924AUWHtIKUvBDy_g8U9SDWvwFNfPqOpiXxBEnz5OQIsqXRwoJz6BJJlkXam6jGn42Bry5wgI8FpXpsBItvyKdkdXhzttXl9krMHNWPHG2s6Nr5Wb5Ys77bpH7jdZ192S3hyv.RZ9FZzYJg5j..5ENl8hSWin.rDZwZydujDHJRac8ARsxEE7mrkL6aPC6jS3FCLzmhg4BWSIpJkA0jdp9tep6b7h7ooSY7GFgBzLwxI6TApRIKbiZclKRLrFuidXtJ3M40MPtNkdyZ1TRY7srhbwOEk47uCsPQTYZcbhAzkzhdoL869aH1U3d.GRW3DohEeMHYK.qSYo2kCWUbkkI9Dr9ED4qhtBHQBoLfXruVCQlS5ooyZWLGdx0oRPvGN.2mTUvGIzbTTxBr4dUBluoFRMW5BYsXY9ktRnJ04VZq95eKzE0",mdrd: "gfYZjMfnePwjYvSYgvA.o.xShXjfOyfmhgUn46iw2mM-1739179341-1.2.1.1-.ORqmrNU7_lQ4_455n40QHcu5y2DBHJa8XwUCwVGsVHstMR1bu43LBDncJs7n7WjQ0EPlEzXhJzezy2mvONYBm4P3KaZN2Ililfxe4wJrASnWYObXEhwaL.Eb8MligDIo9EE8zrUNRlFmbZzVJ1FGkIOJxko3euCUmlRx5ig37PcNg3x24vBJS3iQ8M.XxolscPvYUqrwihkfeFNJPNzxDW2.lBvswGO_qwkpsbCaQpG4ZRn9AwR6VMV_ZP4.3YBa9zG5ibGMFa2oUVeJaR.EhXrCnZ4eArx4TwN_yFLK3BSnXpVGGgNKbBWGGovgTOIWSsi66d2QL9JZQGKCJX1x5td8Krcf65QNwRsgDmcJ9BWEG3ll1FX1UvH2kXdx.DW.FIqm0lFI7LBN2G2rfN_4vDLM1UMX364N9NsVKcABC9hqgYQ9dDT.V9Lq2eQ4SahUs4D_tzwxJh2B2MqCpcfl.4LtB6aG.j6NvarlhjxfD0R60g4Pn_U8XATMfypL18Hlb7qmrbGRXV6sXQ.EJmTXqgE343zTaXfR5T2ZllZ5riEbkAEhX.ekjiULUdwIZrlvCT7VB6vuk9xN0p1F8JeyjFDaNajURD5Hpc90DYYHuMRZdEEPwnMKJ8_NGqmNXaG9bhIzZy8L5s8gF7KONKNVlt4Jbz_etQM8R3l5as0faHGVr5zI1I6iaLYg0i2NUDJufUx0w5j9LyvE0raMpHy122jhqFkrn4vQV9wrjV8NJXb9CVDnV7pS7oE74sgd5CRPDWKySMjerAXqOwlH0GJrzGtL59j4QvMy7t4BUdt7q1i0YZO2UpEdDVif8n6wGs6kUscGMEu30XnceoOHqYCg5SQuBUIIyFsWbjGgMzstuYYgOneZFgLORA5fAic2qsNncCjkU1OCZA.D_Ta2MX_o_3MMgBqfKzkSSDe9eBJWJRc0diFlAke7LsX9V2oofftToFPp4XtFlc1NfHTFuWGhYALoThrLWY1fnXNv8EoQVfva_56KsRBEFdmItq.hpBKXos8exlHoXhK_T0QYWG60kX2QY7D7Nb.9fqlGGv9ztHOmQmtLvTLP4UmNuJHH.9BVIXnh2VDL_AR67mIHlTo1wzg1HC4pGj.TDHb71jIIYEw0zTbpukkoL6cG7wiJS1cJ7jQiBYpN9spu_f_BBoz4lFpA7bXyZxaCB2vVLbkBMNYgL7yfCmRu4MxXp2OFg2xJpl7cRd.v8vZzB9OaUT9fh0g.9OxO0mmV7G61n1RBZLjmzpgM4lIRqPh5oxY3Dbshg0bIBjkk2oy37J3T66SmNXEUpIUWqbDiO7HBr02nMtqCtKyDpDrs0rrm9ONX4nCC9x7AjEKaLm6M0o2rO2AQsiWBbyWxBqzFJsjLuGu749EVBoID4GAtRXMYm2ospw.f5s2mxcGL1bS8ou8nRMWth1jhJFz4Rq4mTBzpgRxI64NRplvcYDZtM7YXRvexYNkKftIdCRDFDsBOvS6tWCPMADXgYWnwIiokPwCvkoJfOLL9UUf2W0BXp2ohQIiLZHldnbZ4uBz40.vUBhZGnXDeU5e0OxUdTXwprCmetGhzkJnhBqlMK54XJp6VBWwSAXKls1SB4UkkAadPCr9DsyKTgH9ppoQ5kvGlvBcvlSPuQm6CJNmuUbTqh9_.iusRi1x4myN_Osj3_ViC0Xd_T8DtD7T4kzXb7zJPMcfxjckB8grr0xNWsjxtz3ns.fojeYk5X8_Wd1uPffY3HUh7YIn14OlkjNaH5eMgBVjXabdoNArJDs8PGgrsh3kfAvgGtZO"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb08c26cfa81be';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\/1528679034?__cf_chl_rt_tk=ideVlobscgyGRXwKjC3rf6Lp1e.h65MrFnTE1QPVdEU-1739179341-1.0.1.1-qfqnNFOpqQzctPHLk3qDnkkciMVca4j_X2fGnbxqDr8" + 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