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-856876733009.mit-edu.top/post/4321759086

  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="360"></head><body><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-856876733009.mit-edu.top",cType: 'managed',cRay: '94af29422be882c3',cH: 'Fpj2rpsqeEfknxyq23PLh66mziGPCkZiZVZq3TaEi3c-1749121172-1.2.1.1-7.m4ysnU_3QTqZ9kkzrjcFDASbF3prs8ilU1Xi4ZavlBQjSrK9K29LtaSTVWuzdW',cUPMDTk: "\/post\/4321759086?__cf_chl_tk=me_ZnkmRZQg0YTv_Pj.DXkIAkYXEM3XkMif_pI.RIL8-1749121172-1.0.1.1-0ZoCt6Yoehm_mcnj4qoFd2FjLx_hXWqXoIW7iaSgCqg",cFPWv: 'b',cITimeS: '1749121172',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/4321759086?__cf_chl_f_tk=me_ZnkmRZQg0YTv_Pj.DXkIAkYXEM3XkMif_pI.RIL8-1749121172-1.0.1.1-0ZoCt6Yoehm_mcnj4qoFd2FjLx_hXWqXoIW7iaSgCqg",md: "PsmLbhmzDUWvOrqDTUPzx912WNM0s4yagrlDoVCZGlw-1749121172-1.2.1.1-7dUa1P.hXa5JqSuEf997VsBQ0HovMDiyy6vlcIXqjocBmezdD6n6PS8TZo3jwZZcrbkFAjDbbmdX0V2O5.wPU2SNzinGUG8AEHw0lshi75ZPtvyV7O_j5ETZ7duJsozHvyyu9igPVhzz0Cqq5JTe7NCAc5Tg839rFsdGjIQOPqQchsaZ7fwF8icY95drVC7.gyQiguJj7.WcxI1W74j2zrqWcK0k64eDQXx_khEjNhMDh9c50C6Dpeyb5vaYtqu8NbOpfULoP74JfoqWl0OLx8iAbJDrA3jXPuK0qvGmCJMLH8ikRh6k2u8rvfEHTnd235zM3WgM.dA093sLK3pV3ZyEWADVfuufan_N7Sk7GTQWe241EBc3sJEDY5__qswlNlRYGy5oR.dBg5K2sesTk4zaHOBdNRYdaiuaLL2EmqH6quRuY5V9H5Y2LVcw3MMQ56iFqhHXeADa_Q.uFXAvQ8jJVx6WiXDF0tkZie8dyH34OZDelccqXZ1c_GfxHZxX1kbE6hjBDl9v1Nkml5b9HzGa_91I98qGCleCcEYsedr6_2zVwB0PdjLpPKHg7mnYdUpfwzDyFR7J_bnuE_Nev7JRWKk_7kXgxKG06X77BLBatedE3xqPe7WcJ.q2MVtF5U5zz2.MjhVY.EAAJNq6zldZODqGbfNxpMbhrSYh2gSD1EMDN7MqQw84hFwFa6c7kk7lQNYDQv5o9gRU3q458sWspQxwpoWZHZLizhX5eWUXwFxyl331lXwTE.sYo1QeZcg2ORj_ualImsODWCf4BEuJByfXT.NqkY9525ztvsj6NZs1nX88kfOKq9iBDKVzagbx4vdz.IRIHnXu3IxTYg",mdrd: "dZcibHsBGKPZFfPYrRf7cK7w2tEKjmcl6_WeWpNRAxU-1749121172-1.2.1.1-TJ6y8rXCCKPBC01tayC4fAoNhrtZ7sL9.rt7DM_hZeMfhf5zwiGgBEAzTBvSOfcIna5k_.iE9sCD1AkJKp.SK9lNqh1e9a85b9LvyuyRqxZR1Qag16HkmgqG7Cz1sVrxsynkvWux9Z7Gf7XL2GgxpcR75cScLlXwkJYOgqo.5hWTGpJ_d0oumfaRQjoX1B3KXP2jMcgb2jzCbvoiKVz2xIvtDMVOffbMcL7EJIDZq6UXY1Vb2rN86Iy1tU1p8OXT6fNPkmSKqZQGEZJ317RJAx1HiozczH0fx0RNwzvohRjNZQf4LgAL14yyos4YOM6T1NNIjdkJ8dgn3UgpvRs2LQnAfSAx8B5tx.snIrmZGMfx9ViH9K8U56eXXwilk9nvB4xQowuK6__vfN_iPqdL_uQpeeIvaV2cFPDUHUnZmAPbbPYapTvvLet2FiXchGOANvlziaVKtNgO3vmjq1hPb02q56I9.VE6KpE4mEFSHmyIbAxNluIyQSnaza8qeZLMffdweJQDoJFr4BZ_reX1wnuhpqoo9qjs2scJGuW4yFStAIWb.qB5Bpf.c_CzdCwvI7drdXQPdfakDCtg4n4H5cVpOF4dzZvtc6g1nHr.zxjm9j9lMWFVeDg5QNR1JT3Yj8tlb7MtOWaawmlmS.JcyqpM8hMDenlDJ95R3Q_UE13nQU34_x6IFvBH2AXZmPvsr3IvqHSIdOokP2jn3FY5coS9VStbjzfLlfPBWqJCcqfw1zPqhVg8dmgUucZ5AcEfta59sHBJWm74hp5.QcSrIEaeX30wQIiUhHQ.OFGbQgo9BBgu4CSDnGBlTcQ6sGRyUxNonLF3Y6hL5ZfbGAfZ0dbc1gK5fjZb3.zTSTM5Z2ItdbJxlI681tA61y_M5X69uEzExorgebpP8iwqPhFbUNdsOAk0eTsximX_0yU0F7fOG3Sq_qTcFfanjxBmV.rURX7AFjHIQd1tmndu_lLZofsrBz9pjz0BLwD7UxPXoY3ZbTEWLbrLyTxyrdpDD7v3Sa3j82fPfY_.a8O.aGpGJLhx__AhMk3kzdZ.3TNSxEyIKpJgmjjX8duQ9E4l5e9o49ZJqUmsMVUKkHlwZzsxcrYXMmQRhepraj65MxpVaohdh.P4t.E0ABBMnqtZ8vI51P9FLze4zZe5S8wQ70YQTVC6TP8MApApkP_150DUM6duub9SmkzXwO4bmlt4qaCBD3YH.V_3YlWuZ5HNbiYjbp1_D15IDPLqLoVGEYKMrZvzRpiHl4a1beve2dFZRtVPAQsMyE_Dy0DvEFTFQ2NSHv8N_T8jV76pCwjSOaCrvb9.fPZaN4eemcI6.pDq8kc20d1RyPkIVS_i8bz_bj_Dnqe7sSxqTn9g1DiipHviN6t2MYWkTiZfXs8QkUG5cisLCYFC9dkUgn_f7cCQyu8Xex8fFlhS2WaDy95Wc4zCP0VCLaaingsvBayfnf6F2K_AtXpY33f2jEujVzDSf1qvEgX_6Neuu1YFb0wbZLol5eZczlkYDnJFrKyyVZdKENwZ9v.5AyePazDylq3l.t2t2vHGCM4pOEFRjiPDpuhv1ILjVfexEOLq2a8qUJV0_NcpLwU_lPbzikwqIExsxoK8oMYQUKtKFEb5Kg9B5HoJOpELcJMBoihYB_io3V8XlKzcExpXbnNWmKA78HGyTloMaL6mP2TfHnqwNxYQP7ZTFnervaXB2VT2ML0y79x7BP8tDZcJqRbO5Gijl5nm3AU8JFukm95P0rcek7ff7YTwea.dXGI8MhcgfgI3tQbhGxyE4541DUlHBEe5sb4cMK5Pq.5IMbHG3lDtXhR7KpTXDeaFxmJHwijBfy2O5sc9mDrvL1WMWAjuXn8KUb9kp.UdUnNudGrHfg5pOKHacAFF_jY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=94af29422be882c3';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\/4321759086?__cf_chl_rt_tk=me_ZnkmRZQg0YTv_Pj.DXkIAkYXEM3XkMif_pI.RIL8-1749121172-1.0.1.1-0ZoCt6Yoehm_mcnj4qoFd2FjLx_hXWqXoIW7iaSgCqg" + 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