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://5d5tg5.mit-edu.top/post/4250683179

  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: "5d5tg5.mit-edu.top",cType: 'managed',cRay: '90f7d2be5eae3b83',cH: 'hm_QTOugHfYuXGY_H_nQd.oomDcwYZSUfzW87nkPLvY-1739145671-1.2.1.1-RWpjWhbBVxSHde8jufZXt8tkuS785knhqPcfiGh3RuMIyNoZZ3CqCvTKy7D1.cKG',cUPMDTk: "\/post\/4250683179?__cf_chl_tk=H5r3wuIteIwHUBSGSU1dMBKCOOFO9IIfosv8eFKFz9o-1739145671-1.0.1.1-DP934wpmNFE1eEa07EsJNrYLq6wg3cXkY11cBzW9FkI",cFPWv: 'g',cITimeS: '1739145671',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4250683179?__cf_chl_f_tk=H5r3wuIteIwHUBSGSU1dMBKCOOFO9IIfosv8eFKFz9o-1739145671-1.0.1.1-DP934wpmNFE1eEa07EsJNrYLq6wg3cXkY11cBzW9FkI",md: "7fV5pVKMUzxyHLCMa2kFjw0cJXQQKXJf8JISX43c3VA-1739145671-1.2.1.1-mFz1_aa.YhBtxVFuryPiWTXDZLciErM8k7HjD_GItdbT_aF7Bfg6LQUtTvXK8qjrAlRBP39F9h2hJVMo8RdcgHoLOD7DYLY9eDWecW8i0fkrJMZAB0nG2WoSJOnaO_svGgki1AsEKSTCIPuL4SIBl.wVCcnHUJhdNZA.oen0moAAszquRuXca64O7XBAfOi1pC648sD6yARps_dwOxJxosf3EWhq2F1GwcHimsfLWluTkvmlce0Q9cVq_MO9hGKro9jbB7WC8CyNg25Y5WjgFxVOdwi8zwmwsoa72oi5s9UuSWHt7.xnYvPBKDEArGd1JASt2Ek7ORFbbfkYEQSa2Y4fUcqbOHeK8eeoz4NHUZRQQ5GLdF_dQAO5TPiy3RlqvAh9v848r0JJVXdynclmI56UrgqSj0qXotrYga7pGlekOWt.gpMWxc3XdwS72Kl020kTYVfqwkibiRVast6oMUkXKFYQ6F1EhWmNiR7IX2Rh4DqU7bLyLJBmcTDEL26IHcrCpn02DRQsOWS4VKJwI9IIqetcIIfd5dcS3qgZM2M4GHWYLWQQFmBYvQ_ZC6XiFTlYVahevPdAM2zPzIS2h0W7Qpw7OR8EEwZv4qsk7tPUvVyD5Mu6A7gPxyvrZp.fVVaUsqeH217oW1kDp0S8qk0oeypAnT_p7TTnIUI4iWbfHnJaoWGihRfuOhRc6f86sGWjQ9pOx9E0GFUo5bLLHlh497_aHkBfyprQxWIvJUWPGvseQE65FSaXg0sDypkhVwzgDIHXtpE28KIIZs1AKCT43pz65OhbVzYzOfUZlPNkqZcVJCJqPySegqixG9StVR8v95UzrO5FCd_8w0Jpvp2VFzi5F0sH.OrL0xnlKKrz8TsyKtysoq.QeclC0DCikBitbzeVMPMASya9TfKmfJ7NrDEhlBxDAHmpYW4fCURyijG32W.88Dl16xPNr.682B2FC1gHHuU3ZjyHSzUKuVZUI3OOvlobL5092VoBy6uPFA8nY6Jcy5U4ZDjappfe5wtn2GOIr_evmMS0C.HuDS6Qx9js54TWVsqf1.2py5pL.YG3du4qeLx8MxXlq0iudg3l5SRIFsLTbnKzn_mJzTtdG5BkuvTm3owfzcX4tiHZPxoF7V6fqW3o57nZSdRwhrjmVcwZfqecgDWdW4fQPyWTkH2CEEWxMFPb97RuIeHH0yDHKpJ3wQ2FD1r9kqsPXJQl7cAwInfBTVDuUNvqBTlz6rFKaKXkCMd0Ms.Df9VdFDNfMt4W5yLMnWICcsw8YnjvC3pFgdYc28HG8Lg196KJMzxcsa8GSrMX5032FtmGQwIet7P0YL7eAthXF7_HMxJtE5QObcyERFJwl3lOplOMHUx_1inKXDE31CmLIWmuklZr1qYV9PbZImztJkzQK8wQa5vahmJHoz4kMfUUjXlZj0htuNqFsXdYSEwBTze_2hKGbKgmjssTtchL9.4fFUHD0Vjlm0q8wf0X3nPaG4ZYZHx.4mEliUKEGNrPUjW9yLUHhu2EeeONUCSRVGo0rVzSs0UoGipi0hLYcnhrf9KB5_1WgvSHIQDjiBvdsEWAambZIMTbwdLfB59NtcX4k4_4HtuetdA2.VM8tASC4_HaEWGintoYO.3DEqpJamjgYsemY_1YeGNvKhok0sz6yQlWLpYHT3eVluhOmMXfVAec58Zl3DzwXjkavjPjr8OWd3nK9k.A2BJ.Dg9Az3PKLo2XNm9_1B2D6TAfd7t7_G4c1eCD9Inj1025fqh_Di7LnZOLwyshGBpdtjXqjuSbXyDPWVwWWYfn8JRBT99Pj_w6swRsiJkihfyR47BHVeFY6v74xiBr1EvMEj48vWAi1WctLRFII65XLQjQCD.6fyoZc51NcfqrmSUl7faJ8vIweazt_F_I_G8HUCvjC0RWyNCWT6jVWzxNA4UwuyWsoT5veq4IaDPdU4f1dsejIJbLlpOC2rgrwpJkCeLJ5A_Iz9Zx81SjDvbU.bCceXDeZJlbbQGF5N4DBErk3dCwmqYe8.0Wths.XXiV8WDY3jCEqkWZpbiJQrHVVYclvpLnmvGeFEMfQnZQkNBy1.kCzSdVET5fGIa0ernIxc_ycc4TCPA4ZwfLgVrO96.Vnyv68DRpItbirytffQKZh105h20NwJw2ndnaiVYrvyv6SyUFdMALRGU3hUNSIJubPMb3zhW169F7IM.wVAt9i0B9H58",mdrd: "kR5WHmdUW3IXTHNbHKRwt9u2bITXDkQOZvez9z9wYno-1739145671-1.2.1.1-Ro7puWNRtnua8Kn88nwHXnimN.JqbUaDTE8n1sR7ZGP4VE5KgNMuuwWQCcKZhCp6YJEgkuOCAVLLEoJjZSB.ae.TabheFrKFfzcIrSZ5p3gVLTY8843DVWKWCJUb.axW9HF.CyIaNZtrWdq4ugre2Ot6H2e172d0tDhBYeZV50QrZas7f5c6Mlxx_RADE_duuNtnF0n9MDnlXUTQRfCJ1RpLmVKwh2phtV0qWQG25YKGXNhDl1sIb2gf0RpgjhWvLbthxDp_KLna6z2iSh9ea5IgjZcZz__ch.GG3kO_n4ro98_p7eqjXrWvUuh7wW_HGnKcU0vm8EmrMBwG1_QOWIrKaNR8.t8XTagHTfBBgf4jBH0Nasc1rIoCKTAuxlpW.HBnFKUT9lX8buOEqugHeSnn0BoTgPic7vVACAG2GyUAwuymbV_hmrdxSxc5vdtLskSng3ofg94ndeZnjh64l6gJvOcMZZtJ_Le8Qc3rr2CdvQtIzicgpn6h2E9yWsbqGQn7P3zZODOSP1LH3zOYQiH0_44b.StjHneFAW0PZgTrZ3fheYEYqq9DYz1rCOizqErxztiX76Grwzr6S7zL_hO580loogODo9s9gHLhxkksbTy8bDM9OGC0_7v1SOCmmB_xmHyOa1wIoL1YmekKCno6_2.reBbXXhdxQpQ5DxjBfeGPaYiCsYA3FQBbVOUV33RC4jv7cTreGq_SA4L3UYRE7DNYqSG_H6Rt9ZKzcDpyMnyb3mTekNw3BPLoBV5PSsvQaWGsXFyxWd9ZcEg1EmipIxlPY44fOoKJcmU6fNIsAOw4spftojuQe58yj.FCCde.6I2EEtRLVluhlsEfS37bwEYmn8d8XHr_3Dza2TRnnYa1OSAvOTdS3v2IWP.dG0GJ5YuDUvvmcvqe6dTcjrhmq.Y8HEa5Dgw1Cu9.BPEalk0W_30UvR8PzacplQbHw6U0REN_cRlfsEs2va6iBXJb0yLCFZU46hOD5hvHMWSB7.unk_qEmdEsr0dNyoa1TPXYL1j4VvBjh_s3gwGOI7cAdFh2IJWdMB0LZIAFSJdOFre17my.87c_3reBWza9v.u_wamYimrYGTOqCUmLwGkM3KR6BKOONvDWjxm2nXqMMa1NMeofa5Wrt7afIuwBzAMG99FR0y6Is7B74fQ1iD6G.3A5hzQ4JlOHmPwISYQ3iBp3U6BCgZoDjnS8cYuRU1qDJXxZfWk3pGbbR7PYb9YmbmRjkTFROM12Lk0MQd2XBfNLjP82d8Tdr6op66EQvceIwc9Qy.7Xi3KicPx3mGHlU7ezd.raAAWryfwSI8f96fWgmUSPyXLZMt_T1HNu_kpLEjFoizTCzql5uVbSd_xzWe0jWqFxa0P2TmWJenu7a.hVT8I.7sxrhMP7b7PKUTI6GxSvQdh7CLYt.BBeiHr9Nu.DaVQQ8FER5CtLbRbXL0b.365DfD0ctdPbyKtkD5jf19HW3HtMu91g7RnMwKcaaSEvjQ4.DHX4xeL6w3FN0TM2fTnqylBWOWVeICUc9H.MfibG2wIGeKAt9ESqQ8I1iDLEcOUyyjP0e5oVcCxvJPm1ULrArliUfwJFSLLV8mWwwPnS.aAG7ED6NK5cBaCMUvIeEDYEhSXOHqv4359g5uxIZD4Vjt6CH_jqHFNe8twDeTXaniQOFjBDQf8.4a9oYB110Z00AhebOcLel5XslwAVjcFkIQwJBLeRya5Uix5BS1xoEMwJPZueOQiZTov9oKWIIDqSAgwiAMqtP6Km_M6F6ZmbZDhxvako8CwV"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7d2be5eae3b83';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\/4250683179?__cf_chl_rt_tk=H5r3wuIteIwHUBSGSU1dMBKCOOFO9IIfosv8eFKFz9o-1739145671-1.0.1.1-DP934wpmNFE1eEa07EsJNrYLq6wg3cXkY11cBzW9FkI" + 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