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-8397450261.mit-edu.top/post/8397450261

  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-8397450261.mit-edu.top",cType: 'managed',cRay: '910f8d131d7f200c',cH: 'Opauj0x_7y0WPtPq1_tLooyyisg44EBW0v.ohJnbMCU-1739394476-1.2.1.1-etfBQDt0_UwH4q4vCLBIasAyPp3Iidnf5IZolADgK8vLTrvS2_iP9t.WjI0NOfku',cUPMDTk: "\/post\/8397450261?__cf_chl_tk=zEKyS6uCrpMLTm0NWtKwkihBJRwIMGE_wlXxTJ4ibyo-1739394476-1.0.1.1-NCfp9XOEAsqGOEb7gvCo.xZMgYCNG.dgZsHXpJl9iq8",cFPWv: 'b',cITimeS: '1739394476',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8397450261?__cf_chl_f_tk=zEKyS6uCrpMLTm0NWtKwkihBJRwIMGE_wlXxTJ4ibyo-1739394476-1.0.1.1-NCfp9XOEAsqGOEb7gvCo.xZMgYCNG.dgZsHXpJl9iq8",md: "d.5Gyh5KzYTC9o8jPiGXRk_tu.L3.WoGnDHI5R.JZnQ-1739394476-1.2.1.1-P9qqzTckaBy_UuiPrZsk92SPWjNhIkwXy6J31aZO.hFigw02RSAtlv01ZXNZTb6OfYGf5ZdoXrrbY8DOBBAjsoqGUgn0PnfpoFzdWgsHIy8Z55Gik0klgoHijxyUT764k93JsjIc.7judopFRjNk7jw9bEqcnjc8SZsNC60Fk7zr83xk6S2e2vx9Yl3e3aGNF4eUn_gCGadzar3movdK4uiBbOYOmBsbcEdY9Ew9gK66FQsC_38fo9g.DBMKRIf5Ui54pSzuoZ20Erx70H_Y2HPk72.CaQelUaUtSjRT11ezYmDvVZag6VlAakmLruhDE6ojjq2EH3eKiZYLTr3vmPiOa0vcW1LbU2r6JOab96SjJSLFayL.Tw7VAyQgrpd.yubSN4fRr0Sy_lmthLgh9j26kJvYUc.rcQlh._GPuoNvWGf0dTdypgJmexujby4W.l7Oz0Mffkl9eJ3S7zz_Oe46.DNRqXdTKzty4xKJedmfOomzdlDKHN8gGa_IlkVvNDQr0pvvsIigcOXU8nQA6lhldlNE1wBOV86AM_eA3XrApvqYBJedK5_NFbFGt36dCDOab_MQ4rb7FTWr9q7yXNlEsgMtCCEG..TIuDtEEDNUQnk41flHipcy.PQDWWjAWYTz_2pCyt3tzF6oRit69BGrytNjT9MkCniDPJe6NDyuiUpRy8g58_h_bJ5sGbgygAeQnD5RlQN5z3FEtt542E4YXTQuJcSrcG5MOWqlqBmx6cSVavNxXH8f7GaE7A7ZITY0GB1M65A0IstwZC2wv1tGLMwL3Fm4VlHB5ZdS5WuGO0apZyoYtHvPRmnA1KyEBLTTYtmEoy1mL4NiTNxatA4hhIkS.gcW9xuAPnuWmIgZU4d2KKNiR0jNiZQ159qaNdrMuKt5WqSRPfhIJwy5bSTmeNtfaZMmpxH0cAMO017NMagMsatb8yC6bLf3WW4gUFGvHsS2OT3Aiy5ybycGpg5nHnkB8vFcmXO6O3KUD_Oyz6p2h9L_KGvjOrciCbHY_zk4CknXtAiIk4mDzWaCEmmgOMPbylebQLOccdWy5o1KbzzCYIK4g0JXjDUplu2rcRzBCyGNsr9fzkbtmf00eOoqPfDmhNUalZYd5JY0BiYXhofLhI0dQ4xZ.w3wovvzlSx__aeTxCbwTVNl4hjZk1pAv8Qqgw.GGAv3WjeY7d4BkilVlbYv59crnvU3qyfSbAzyXcmeQW1GYKFg4kyGJ0bOH8DBhDkfYGOd62K0VtXPpxbsNBbeAvNTNnmCkmU.w4NilbJrASanZKnGp.bsKRWa0yreDGSdhbOiUWv3oZPUMGr2Znl8pv_gC2ww7aL7PvDeunjeXfkasrv.yAiqxF_VfyytAe__r.tUUbZY_X5tQ1hXWvkRL3CfviHtQOh1LxsIUcvXSCa0YQViUZv6DOOHek5IsjnKd8xKqlXPzMJHluqD_5JRRILOAtsT2ZzgATgm0qf2nGYfrN7SeIN91Stv9KZo_DMG6K4FztRYtJoD1xg8tRroGdVEFu9bogKwsj0XaRGAsyxPxOwqKnS4vOWY4Lo.yObGcxyUi_YOp1UrCpJnlS8siz8nT4L8FQTlEJ8aRmMuaLb1uJ3ZkFx5N1HAvp5rcMCQ5IhaM3ybr8_MWYyukW3sTa8aW76jryIWUemwnm_.2FjqE3VSH7wOh36u7ZfcvKVP0dtdx8iYjsWg0Sz47ibqqfwEQdiAR9RIsJg26TUbWLC_5K8kfHjAgvLoObncfulypCVYYWCHwaTutW9y6sgR3.9kRGEZvUUoqLU2XBKmiX0arScSem31iziHkbDwJBp2FmJ97V7DO17w.lZAsLG0bywgxRNB_L37FBJNRePi0fYJmZHdaGZPbyEUMyPwlXlnVIMYvwXRF8SAHS.Wq3Yn.vOIOozkgVyCa4d3dWZKLDBcXa2Uenn72kOLr.TrU1naAqfvFMUUeMoE2CO90O3.MGgBvp82cqnN35H4iC0Togo0MjwKAo4wxG_e2C1bOvkjkbSZOfQJv6Tc6smX4slp73fvbGdl_aG4.x4Crccq0JenkLeIGCVvEkaAi6CmI15.nlGMGLuSU7Y7iL5eMWJS8gXhkLJKICnxWtUAmJqIajgCtEWk3ZhkrrfENf1HHhvPzrIog1tVoXLr0KOBT_100J5FtRTuP9PF1qt02GTFlq6nQQgpIG4PPdG036_sHddGAoSg6w7uiVYOK5q0SKKgdomwA9ktA46D",mdrd: "zZTKFSKmgGydW.BzMwUOtS3dDTNFtY8Jq0h9CS4lLSU-1739394476-1.2.1.1-K2aL5zXHLyxK78wwLVSzx1kAHdZCFaE9Xqll54lyAiyRejbgh5kMkSHbh0syuG3zESwhkYADnYyqJFdvrjTAF9QgfXJbvITY.nVSkElHmwtfvCwmScFH2I2x5.yy9.cawFvyDmg7ejqJ9GueXLWcgz2JlDJ_Q2EM9xEk.WP2nEkEzDgpCfTnAu7OXO2TdFv8N_tyi4q..adxXBbyAJDCXPzVC8qCzxRCQcPUqxr2HV1A4_NJclYMthK1p0yq8Vw_ozzQy7WEpN3UTQKu0l1Bsy1bJ.x2a35GtFZZcnWo5qCV0QDABy91A.J33691WL5K6v3zWTQ4gZY2sjMLhMG3feSpj0MMWG8RyN8BsQ.LPIqCzeYHS73NmlXKNDRSjJsJTYp3ctdl3cwA9ry7Y_nKT_IS6g_qqYQUIzdV._44AwqB.tjDq3u6HWCzRKyuQrSL.zVv0hVFUsyXColphyU7zZlRg9vIGKBgCYA_XpS7HdZuAc62BXrVy8J_OQEYRMNi4T0KEAC1VcLFOsVlqSCXg3lLkiFjyXdwmmcHhY110W0EywUPaHlagDnbEdjqPBOeapgxkrOGsmKtueA6hCgjdX_aD8d_cbKloaQ8fjDW1OGU5i23gUvBQnaSp_lxyCvyW34fETfRxHPOyEPSRPOdVY95FjJpmMgsCZLqKJ_xwpfJlc.fvpSKGHIGHxebTFK885qbeP74P0SJY0YOq9YbyV71XcawIY.bVAI6KZZ79I3EroSU.FKCvMVvBJMmMthtjqNKkoJnQQKbDRhHKfCc0uaoCoZMp_lrMeR02FJdOqnttvwVdQPbv_rue884X1B3GfKQ01Q.LrVhiDH9y6jUXoYlnoHjALm1rP2_S.uBauZAt3PmqGC95s7HLnHceUDxZjntr6Iiy_KqkTuhAkEFUtYxX9OAVdjowI4lwoYWRY9PawcdkBnpynkFrpfzOMTvPEIm5fqBQ8Rf9w6xfHx93UKL3hodBk1NF2eaRELKPdUjhk9Mvg5BcWAGB7oQWyoYAnBwYR8WZ78UqgAVuqBx5peDx6THI5GyRfsxgV2owGYnBZVVXAthK_DxcCHYMWym0Uv6MCLEF.SxERtS6ch6wRErCwvPkTEDfRPpr_pQssZhvMVpBcRm4eCE03lXS8VYYyoqygy_POvJykdyHigJPTJjGZ8juvc0QyonigF1yxvXoJX0MlYj04cUcSbbLBbiN.QYlv0pqErREmnusU.rMiBTAysXxL69f86g6tUVGXfHVeQ4jlW_uzCzUzfuWP90XfLUXiYMGKXIFlSUtdy.xy0n7tiJvGKuNzRTmQoWHZESmCjbTf6v8MSAIjo7h6TbBb80_IKGH0CcS6gQcEw0Xjtl.n2wwlfl5uyTMAAyAUS7CDYIKieYTQMuYjINxtIWkDF9YcqVKANE8rUmv9XAPmjq9Bbs6U7anvfcKLdMQ9Ft9dmgthvOmAgwZWoOE3rQGMXlNzG9lNt6e0ppxEYYSx3EzNmGoIb5GKvIxPoOZ2qbiFJyf5_4GmAuja5dkqSzs1xyPt8pqDaJPaGivATcWPMvcai_lwmij1QN5ruObsqNLO9ehkLoiBW6oGzeP6xKPaUEdMAQohUMdfD3CGRTxmKPZuS.CYA7wK0b674CtXEfF9x8rcdVnVMUKYnbQbn9kSMmwvmh8s1640KgT1F6czEtBvLWNH3Qqy4rBW3rEhd1HAO4RMBMBnN4si1z.fdJwi.R0fnm04Yo9pluqdMlKvJCcQtxaquGkzPdzHoTrpjj4cHxJa6cH6CZ4MsEPfhIZ.QEHGlFh7FvmZXCyvXTYQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f8d131d7f200c';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\/8397450261?__cf_chl_rt_tk=zEKyS6uCrpMLTm0NWtKwkihBJRwIMGE_wlXxTJ4ibyo-1739394476-1.0.1.1-NCfp9XOEAsqGOEb7gvCo.xZMgYCNG.dgZsHXpJl9iq8" + 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