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-139375035824.mit-edu.top/post/0162479583

  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-139375035824.mit-edu.top",cType: 'managed',cRay: '90fcd2c0bf5f9c46',cH: 'Ombi4jxVFhCkiwuakSOqPFiIUa_EthEOdEfzELIg6bA-1739198100-1.2.1.1-.qCyZcbQmHpkZY1wzNkiSnVrgPQ75vm4gWIwRAp2iaxSEDmdV8BHU2Wm3v9LIDE9',cUPMDTk: "\/post\/0162479583?__cf_chl_tk=092eib0uIHu81oZG5AyHJT6a7U5_iy12r5MgPzeDQJc-1739198100-1.0.1.1-aQnNCAtnntIOjXIC.q.R1c6kfsNX1BHUq9M2AljD0cw",cFPWv: 'g',cITimeS: '1739198100',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0162479583?__cf_chl_f_tk=092eib0uIHu81oZG5AyHJT6a7U5_iy12r5MgPzeDQJc-1739198100-1.0.1.1-aQnNCAtnntIOjXIC.q.R1c6kfsNX1BHUq9M2AljD0cw",md: "Oq4OaLmkp0jbnwviQ8R9s5DJgrCw26mIjpEKKIB82IA-1739198100-1.2.1.1-bd0VCYsZ.4f0zgVmnBp1rU2Gnm5yoVC2A1oSe_IaaaaTnRnaosC8BDUinRTZ4qtb.qyCaTi2iebZYYK3dx0cUx9.k9sb_1pYyJKPlERXm1fhhFyKwJkEt1wc_VO1LPaAYvZWP15_UCJMYdL0iy2antQwxJW4pAU.M39ZGkfyPbikMfqwHs.VZh.F0Rs8ruqvO6gmyKq0_tz8Dk1ExeyFQONoQkMGcRQG3wfSi8O4I.GT9G1Owj4OoW0CPcQzcjczepqdrtKTWFVC6gcpMrfGxw69id.IfoJNlyewhwbVWG7rPzu4LfTAiEdq.NeNM2EVlufL6YQPLxFE7rNtSoh7VYIqdDU84yeXjQip0SpmY5q_LLiYHnGxnmTqfMvg84wViC2Ejjf417iOb0nELMzmm5H9dB0HnRV0WLT9iwJFOTjHbq219koF4iYHKwxEUHJooCz91sjh9hfFlgppqNCB7l6YEkGi2eHJacRd3eFTD8Xx.8vA3sexZZTJ8QFiQ5GzsVoCgcigYwN7DisPn0WUYQsy9K.oWNxWV8e3JV7uwWmPDAgiF2pA8xYElhfVjco44oTsKiK0BfEZlfBeyRq1fXxw11Izu0PtZWL1B2GR9d7W1ZvwWCWLOBFxHL0KdHzXZq4YLB2WQWEw4YD1qyNoHUB6ua9ap4Ji65iouByJPEeSKuYAu.2yOZsVyXg1ZS3k6OhInzQWKTOgIo_tNnhp_bX3Lp3Ar3eP9vCY2d1EWIMsjHPSUDzYYYQGvu6Mc4XJrqhLwQiBXNXXsfbjkjDGOfnbPKhIomyUg2Ns6OOSkwUPnVJlkect6L_wZViBgnez19.6LbS5VC1einAjFrdbGZW8T1INORFb7YAyn8rChIkw_06zcv.0Vrey.xO9gMMEkRfvWJrqQU5dR3HWg1jbwVTs4_lM2BYc.0wVCbUWgFEdsfxGBT0WkspR66ppNfxOZAoSUsTeiGfD3v0ZfqqjCKKdJmmqgkhaAh2TrmQVxndqDLkDCgNyXZ0Yijtd_FXcjo4tVwe20FfZFc_NSs1Rf0icOURu5_k7ujL6cWr50ytKxr8FZx_2hWhL1Tnshcv0f6Pz_w49qYMlkiX5vIFyn9GsAU.Lk2BAYF9vFyEZaqv_QukAJ3g8B_NwXUcX9N_YbCMCv6JFTZnwddJ3wRfRf.iFvLnAEpRP2qebOeodlY5EJ1ixi8b0lTtWwLIgkY6qTxaUZ3QDykB2B3gsh8J90INB3YEyYC2rJkMVk8fqwhYZYrr6W55.bgN25ZRbkrdgumJIlQjK0H8kKINtETwxxjDpIIOaoo570PgX.qbhCnmTjkWEh25cGOGrtvmcsFnOBzVyf7h6QvngmTSvJOWr6UDSrambgzp9lv_ECwolhqCydPMQcwD6pOzU0BloiQNiqUJlwqps4flw7OAlU1I_IfjEUX.nBrzIGylVXQnRwwvIc9a5MJvhWpGDbMyrIcGxwExL7IvD4stQZan2NV52EkxzG31lG.SpEjUqqGbfT3Kg_LHSOy0mql64mpV9GccMrq.3ig_yUlzRlJYimpRJFtqvQvLaM_hH1IUbyAbeaw4xs7Yfl8PG1h_vQu5IFagUmO8D8x9Lo.S3xWSnFGZHpsSi3sGDqyDklLAxTvl_FI13Vu4Uh9HYSPj9HGHhID8WfZEOmfJ.Q_FiFKU7UW41y6pHuOvqhYT0Kxnu9kJ6JVz191xmb_t.qccEO.dI_pHW8WC5GRfnPRVbl8lpCOLbfNbCFhwXKa4cQ2zFjHwfmvql5eQzfNdtqWGSIzWn7ZYfNSdefMXE.VnhwSnyqnPO.q.C7tXMqji4DQOSFaVeUFClcCOoXPnENjWMb0pO63O7eiWlakbVRf5.ThhthKeJmDvJqmYDLntNUglsgWIsEUpmJFBOUqU6YgtBlI8Wwl3B7mn6FNWVQmu.PKB6cQBvg5zCUW7..P2tCKJRluJr9bK0Op9fy.DFOByTkAOs.Z6DhJI7tze_S4bX1aVw2ipPfMBpi56BmJp8THC7Q.37G5qgmZGflt3ypzs9BbTXseKYksib3tWNtDM5.X2WDZr5BkDCkG7obqpC2Ode32MJlzFYrs6TUh_GHQ0Loi3XQbh3dfPhnOYRnc7LXmMp20qwybWL1WcyAIXQEKKLcoe4Y9eeQu6JmWx7EJmQgVFaSJ8pCAW6L0RDaq4QvFQYRvhO1emTfAO2YaC3ihZsQctx1jPrEs_wdkl9lcC5PrSAAOxh",mdrd: "SFFQhO8pW_B.goqNjqVx7qM4olo0j.wdbs87FsnKYIE-1739198100-1.2.1.1-.nA5w490PdNx9iBaT91CtFG_Y_XQA9OFJWQm0cKNIs3dt2pYYkbIvGDyvtgNPAIzBB.mPbomrji1u5vGzAPsx29E8wwFNYIcHsKEq3Y2shzDiYLoPsGur8iAuErtpyXtp_coGn75QUShWgv6DJ1BqpH3L2b7h.wmEnVFWsEjJvJMyZc_55KsSW.Bp_5GcmzdvZ_JYzpYqNZVMPzWq4ThetTd1kLA3gS9WiAUV.0BfeXRboRcBV8JGq7tbnw3SBPPlcQqBjfFTLp2K5HOMCSgIZECT_n_HA_wjFfoCZcF8.71Il4TQHlnQkBoVANysT7HrZRSdgi_Zz7uvN0lGMoIv4.xAC65c5MQakHmKdVPU7Ggv.itFiyP_D5Ocs4z8SSM86UMH0jUce.cJEoMrU.BPc2NzKaWP.TZhPAUctftHs1bL5MqDLCtILz9UOjEmvXqE5dcMGmcIHpSaSHGexjgLeMnRrSmLCYsCjzVBOXb1GcqVB7pXbEkp39jNBgGj.5oM4uUpyWSRHrvSjeqsLGLZtfYksJQO3_9slDf9Xt9piImRRXomw_J1JKCIGyv16qGMgLG4QzYiH0Lkm8lIh_F9VBL8Hxx67ymebjwhLmTvkt9pXeWREyV9YQkeiY3SkoiKDwXw4KoeMRZfwp3D5dd8.0f4hiWA.ClFgz9sSn8AoxXfLB9DRWz4HvV4CffPpj927xhZM.51PM2nWTW96Fa0s8e0p06k0B3Tjh7J2DddfMErnofrfyjmymhPOHYjrgtWVEAAIFNQczMiCcEjuTXQ8PptoHN6jBVLXddtRuQFy3RVOx2rIo3MszHc1oK3NdXJOuaJcQyIr9FYjJf2bC__6EEuWLsQYuUOz3j0NLu7wAjJXhFk9eb5NcuQglngK3SfN38YurZJjqS.nzPT7.a5IaCZ4y63MQHd9t_tau49yZe4XPYkS8IIIBp5XB5ORfKxhOujCXjk10c6.NHjdBRmXEmFXsN_O5jdaM9vDsp1D6dz20kYpWgVi.1ofSJ1PPfKkvTMpXJsCjH5NQ7D8ImHqc_RDOcuM4pWt4hYgv6h3naMPGNwO1C6YDOHBgbR6Xwsv7pK2vscKpD.UGrJJncRzR_XP6t9xVaIZJZnxmkf6cdrFhRek.XzXQu_RBmdULzeXPUBc4ctBtZqz1fxsRhcxeCRxvjick3UVL8d1qOpgvJSSoKBsQl.5bFEreH8BIeW1.2hSqYt8obIbEOC0bPiS_K7GKpCvyYJY3PJy7ucdrm6tJLuSXcFzG6lnjUqBZmzJkRKYr2Pa2CBhK5ytgBPfMcu3AAjLKtsFLQc3ujgIjGELNnlrm5XKRaKAPSB2DNrVXZ64jISnUOONz8BaoaM8IDaXnzTCUeK2tzrU.SmWA_xpfT.XCWTRUEosLdEzrKhsWaaIrcJ8.zaZnZclXUjKosPlaiRPc_UDXqGoUrtfhqWeUHtKI.GrTH3O4SwqyYumdHZsC0k3J5Mpvh22RP92BYjlXuZn8zGMuAJVYGqyOa.LblqAH7yVOZFogZd_4Fs.9lbgjqVSRL8c.iiFLNufiYtqRiGkZL1yDouH2qMIyEpN_LbnvwJa3_6d9EAS4UdQzm5QNiOCUnq3jL81OtplYmBAb.Vd9lz4UQax7I3wLjkfkl1sjgGP_ziNtMPHbO_Bd3wyOUbH5Yruk0_ztZIRG7PKmpOkP1E9AQuhNN.9HIK_cQ0djPc1j2vgVfqtzVGZ7sWvVNHIVRhZdsuO510tsn0.EXrm3IXKDEgD_jWx09Hnk1WfacRaMlybAcMQR57zJJIt6R5rRVBdV5vsVa4sqoJLgRyAj1GBWFB9NKzI4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcd2c0bf5f9c46';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\/0162479583?__cf_chl_rt_tk=092eib0uIHu81oZG5AyHJT6a7U5_iy12r5MgPzeDQJc-1739198100-1.0.1.1-aQnNCAtnntIOjXIC.q.R1c6kfsNX1BHUq9M2AljD0cw" + 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