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-308963850559.mit-edu.top/post/3804675129

  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-308963850559.mit-edu.top",cType: 'managed',cRay: '9107b66c6dcddda5',cH: 'fpW3aDKDTxBYPw19YEAFndKX5ggLQi2PTHnwR.wFVc4-1739312283-1.2.1.1-4migdpV_k5NGnlQLYFD42RcHXLFW23yoqGjkWKnfAOo.Rx2Uqj4p6ihQhC9JVZ6g',cUPMDTk: "\/post\/3804675129?__cf_chl_tk=kGexCKn1CB7gQrYiuy5Iuzy9AtUL53F.UwEC6u8Dj1Y-1739312283-1.0.1.1-dDcb24vqKSC5Si1JEve3rqDcefAjChMgugPuAIUshK8",cFPWv: 'g',cITimeS: '1739312283',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3804675129?__cf_chl_f_tk=kGexCKn1CB7gQrYiuy5Iuzy9AtUL53F.UwEC6u8Dj1Y-1739312283-1.0.1.1-dDcb24vqKSC5Si1JEve3rqDcefAjChMgugPuAIUshK8",md: "itAfE2U8mqdkzjv_cp9N8MM9Dw9b0ZZ3AzQzkY91b_0-1739312283-1.2.1.1-gBb5pmS4NeIcRJunNTuqknW4vXxDMKmlF0nY35qaRMOP5_cC.tKy8NmfV2IvWJzWXEOIlEzTYi2oFKW5FO0chTlSI.dsTCxVzLWfopESYBvke1_ebP4QNn26V19ohEtsiCratp0Obcd3vupndT9sIULqBoVp28JT1nsX11zh3txtUgupVRkGZ9LEa.GjYGv0UoRgJWz.eM05o3YRt5HD.O0q.3PxfJv6P_Akbnk1bfMy2TbvDrNu53Ti_t2m4mJ_J6oNYvtjNR7apBXlgFGoMXpGYwRo4Q0DLSWSq.5lh6EqUSffOzPicelc7Vb_hWXPtFHzI5_A9HIXsMHCrbZNXGZ.xTnLSXM9Apmy.RHLVMpa1u5TAYqNXDHD8z7MTKyIP5zEtYwFkIE72KBdnVa4ujpfOYXAzriq55rHwAHlxvuaCWN_l88PxkQbVQ0YvER8zi1my7gRmnIMWvV7dnzHpexrFkZy4Q_eg.7HGnN.t9DvUsRNUry4Gwsss70K3YvBzIcu80D1_OO2cliLAs3mn7UXorEDAzvsDxFgIMCHTJwFPM91BergGOMNXZ4jJ7Iqo8PGQ9mZjNIr4ccIjWDtyb4H0QQ0xZYiGmwZ0OzTTm.RtFYEIFhXCjEZByBxV0y0ukSjTpUJltJRZeIMz8vC24rAOu3Af3SVRWb4W5kGM8Gy8SyOq66gjguRZj8auhWDX4w_hX4b96WWYnaYjqcrk2u16GTT6FLeVdTdkdXWH8FhPjB8qHwvkvqFxVIbKG_VjeTWxnDb2RNrvtR0ksvywLfMLbsEvUlEZmOW62YSGUHABqEr8Nq_qEebQrFIAUm.SsIN2Nyz6tCmz8DXvidFRz..DJ6O7ZCkUOw86Mk1WrEXbSEWaQhRZNOFb5QXS0ZUbaNjxj46fqoqgO.cTpgglGVC3k_LEs1OCHz25CadUeqeyErbOIkJrkwsA60WSaID8GbmgnqncMqRD92niVS6G2LnMKuv1MKb5ZLO4ZmPO5seOC.npn5kyGab3iSIVU85KCpf4a8OEtLT7aRM3xiNJbakT.RkshiyaIiQ4TWiTxd7YcHwOmprinJ4EE60r31uG8J3iBFhwgAaEWVjdosLo3NkjqoCC0GdHugYrlK1Z0yRlIhv_wAqWTpozncWXtE.MBVk4P8SZknjUQNH8.yiI.4FDsekJHh1WcLYAQSFOVHwri55It6ylXY7nNaFRZmVZXxFWn7fA_6p1N1JflfmK0NcZ3Lxa28qAJltgcW5mMmOd28iFgjlpOdFu7okCRclZBKI9NmoeVR1PQxgwNwwz34SMJm3qj1_7bLxTChu_aShbdDQBPdhRzPqokRfQ1DFJNZ5L39ZNafbxTBhD2NW2AiGY7wI7L.TAapgRkQzEXOcqGivvMn3memd5MdelECcDl9nDJCZ4RMN1gWliC1lQUZEwNo4s.nE90Rq8mhKe7_EBAx3.9cvEP45NBQHa2XkqQCIspQmlvcitiXB5Pc2EG3J.Qx_f7r._SLqXZtQdelWuxLFhDls8MbucrlNj1f0Fbh0YmU41DDjBcb5IxNkFg_NGBGeTKZLDb4WN2pBUo5R4iX6GPJQthRd02ZxfMP7LjtFeZOFPj63welK1Q7z38x6NEGruvtTqQOG4wWven5gLq1kcTLtH0lfdPKjZKbDGCKQ0UGBPbM99QHdiT1SU_UfNG4a2023DDOOqqj2xPAuHT_u59kFBfQ_GpPGa_KRiy2pN4nTx2X4AdXq07Pw5OBZZ_cjC2vOWSpDp0HPFNEugFJWmIqXWp9HbcoT0rDd8vwlz3stQBA61b70mcabtVsyAMqN6b6FAMMA9XraAKGamUiDeDfzITSD8_LkIf_YONlWhAjTglZwBv0Hw4MO1N_owVAidl05TbDoiwaHVxbcTwADssD9AtaTxVmBWdu8YMk8Va0JnHUKSn1LO5gPtDhu9aMyIg5ghb4Y_lO1VRlL2hQe4738FPW.0RjH6ENZtrQInhHM.8Z3_Ulxma63Su.7da.OMXsMZGYH6zML7Chaa9oHuUCm8p1ELFdx4dJznNbRcM1anppMV0QrBU6.i9OdvS4TvIZOiFRMuzg9JvA.iukVTYBdYJP0G9vAZJ_q0Cj7rY0Df9RVZgDlgBrrjHTIthgXgUNT3SJEaWPoiPyotyTdvsUi1kL_vVId0dm0XeA09N2rYX_JcWCid7KSd0ojdtSRwiREAqJQaGa.l0pNy.1c8ks4TJZdFSivVNpn",mdrd: "AqrKxDx_BRcNs5abAJhiXdEt6_GzZLpSganBRMVi3No-1739312283-1.2.1.1-GW6oHO9YAPW84DOviD1XR1NYN6U502Ak0Xw5reFSEajFzz7JlspeanSGGIAb3746k7mw0jOMT6m_mlZDKpNf_JKDK4vu5EER1ARFvoKiPQofQzEGIdVp.vbEF6srPxAEAZn4mEDZl5tF6.0waxG9Fw6MtuKHtkz.t6S4zYGxHXuIJVBvtvqSciQ9JobIXtALzlrRo.k_dBA_Kn72RzsfYfljXfqdYu6laDAGSPqgscY49RsR_KoIl4X8giMQWhZ5LBEzcQ3DMbPQ_V_4VNPu1jbCvtXaTcEC7DXslpyizEhRchSdxMF5pOhq5dokoHQGD__doE50wz2BndUg9dTIWENzlz1UrLJr0z9Ry0aZ12AOl.blFvZzC5kmLBaDOShzrIhAJR2b0fK_1wW3RYe3G8ww932eYo.U4GqtKAWlx2KryDCezlb.8.Eput5T5hDNnJw0rsRwf1.vpyXAJJ4ZzfDKsXDm77QYi1KPZ5wXJHCFuVP5gq_tYFss0Rl6F.xGreuxxbcJuiud.4FC1JmaYVPThgPpdYBRSn182.WrffirmgJobwHCKG8yH1xjkz_E.b3pucg9k_2T8iTM0P1tpjDY.lD9J5uSIeZy2tK7KwUwB1YscLGrCEUFvALtvQbp9E8oh8HAD.cEaGSwc3wkCoq4E0lGu5McZCGn64qdieidwz1_umvTWyDx7J99AzTWpuisF3dO5PBUGuV5VVUq8jbjL5fWjvo671w_5oBxnugnO4Hr8.x_VFYJkz0COAQEMCa2ytsquWJvYd7L_FjBP.an4J52hBmGhM1Kq_0HcPQUkOVY.a39GVYlkQuworsZabbM.NM0g6jEuKklI5n346A7zbWp5D1WbNAFQZxSej5zIgrK6sMct5kQyGWo7PlUqYpQhOFOUPXYPS5dMHRMMJOtrOvdUNsmWltkt20iLbkCWnZldxPZz0Fr_yU0nME4J1x5C8EQlW75N1sNcSQnDfP1qlgf2HMKMw3NchXp3VbxVHNaG4wiRqixpqNdTcfbm.hqjawp3FgBJ4tWG9Pc.kxkez5cVrZAlfXnf3qCmwuDt_mLjcxmQ.pKYkPzF5UdsxwX8pu32V7EUH40rQU7r9LRZTXxhOzgrZPl_g.PKrwvV573UOwjYsExv8ELHmy1RLsOIXFH5Vm6Lxrv1K96iBInypKL0eaKDpYIEnT62ybzEJ9a1CgogKKobS0dN3_oq58BO3Jo7SCi_714V1YO.jauB51VWuECxgX6P2pXEAQ_TjKiAoukKsAdr0IY5lxGZmxk5jLjYzTOdTk2OblWCwSY4uAbzECGwvzPpfb7H7kQghcpGCvNbL_sT4MCnj6Ena2x8h27CWhNnlrVJu8_4MpicnsFWECWxVRbU1HUDqooE45n2NEQCbMnRWW53Dumy0136wckyqo80xhfNi2XZ.BWw.5lRd9B54MiWUid9BHGLjesKnpDF5aizQkjyfsecFfqxHMGHRf4HHZTJCSdNZr6w1TyVSJsfZUwFOl_xbIc6QOaoczFvuscp3clZ4lIogn.wezpjZGAbZSNKrlHbhjyUaPSEF9iGRuf9HZQfGH8mxApD33lDacYfHxZEprp6CqFxpUkZWWo9O7wy6Tr.jeDR0sBgeQsiJtrH2NkNjayICXUDV3c51EIMj1e1KjD9kXie1uu4JcPYX9Vn0c9K050GWlXV8qQlIN6m2qrO943S49NRXUv4eOu1gQeh8XKDE7p8yMvstlBcUwzFezdHaNeiL9DPDZdnwB1iBfQzQgIc1gfYDYxXj2pBj.QDe0wz2ricJ4CeufOJYnAmtCyDlBrFql7lBDApYRB6L.cGq8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107b66c6dcddda5';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\/3804675129?__cf_chl_rt_tk=kGexCKn1CB7gQrYiuy5Iuzy9AtUL53F.UwEC6u8Dj1Y-1739312283-1.0.1.1-dDcb24vqKSC5Si1JEve3rqDcefAjChMgugPuAIUshK8" + 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