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-affrpoz8p.mit-edu.top/post/1604795823

  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-affrpoz8p.mit-edu.top",cType: 'managed',cRay: '90f3f145884c5848',cH: 'V9t0gxR3XBJ6t6C8MiM0k_y6iOKLtWE3EpmFBj23.7w-1739104978-1.2.1.1-KvAaXTaRjGH56_.idDAeuiaxTwh0P87zeEtZzyaj42j5TLdftYTv2.JeOrrahFNf',cUPMDTk: "\/post\/1604795823?__cf_chl_tk=d6Hh81EREvTgug6nh2yuRjxmdltM5WvfaUWijDUseIo-1739104978-1.0.1.1-ayaI3XjlOsxE77l3j5nL1BaxeBBRXg0e5OoRol5.Dcg",cFPWv: 'g',cITimeS: '1739104978',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1604795823?__cf_chl_f_tk=d6Hh81EREvTgug6nh2yuRjxmdltM5WvfaUWijDUseIo-1739104978-1.0.1.1-ayaI3XjlOsxE77l3j5nL1BaxeBBRXg0e5OoRol5.Dcg",md: "8jLhb4_rtWZYm.mgM1bNK5lJ.kbxNsRWdR6d6nCKv1w-1739104978-1.2.1.1-1T8XFMrml_kY7XSrRi.875heXcdR5.kl02QtR0Vlu0ceZ4SXHTTeaQdD2i9969r7NIqackqmDycVcSLKbHmxGNEbyvMc9jiDDyTD6TDlN4fnf2LxYODlOF6NwCqW1TFWe59eXHttZLiHnw4cIp0aY0Q1i..F3e9Y286tme0zem7gM1n9ozV18wqV8KxrDBQdCn.wrCMLRCROPPYK1XfcupmxT1bwYtffeAag8jDdtpcmLZOPRjs83hKRdFZ8a7KVZZWtm5f3oHB_.S_uzuBgbHOlybyOh4yye6WP.Tm.Gxm_OY91lDFxnl7uJ.1HsvR4xSIZ4xBm19EnHG._6GaqEUSy4337dUP6O.XPJCIkvBFWzu2FoUznlmtvDUbXHQOn0jEUsoG3ld6TUl3Q9UqLeJsktuN4I7l1E1NwxHQihCl3OPbJr2FhLgZIr.6YrOi34.vE0Etdhd6hNiVlnrWxjEyST5phJPTQ1LnNhjAChAYEn8PbE9Ht7hMRRqDGmH83Q0exqZiqSrzqu5NAr2CzQ99xK.IQGPgToBcyYUWRDP3vAHqDYHbUzAyTfndHTquC2e66tH6I3YHcY32c0F8EEPnKHS2Ve4HqlCZtQcBF4z982cIbBXu_i6IsYAiXXRL_CpotNT5x0Rz1j5gdP0g.yH_uT9Fu2q4WXHP8iQnuFdgD75KWEFhZnUg1EfKuOkzmn7xuPW.Q7apzzwZBEZTgDU.85o6xqdNjBtRVjasDmNOYVQjNIYXUJuJGP7nPsmteIlFUA2HUaj7QVrU7DADPcOUK_xQgQwNyTEmX_44UylGZ5r65lcGIiBlDymJnJ51_TDmDVzA6Nak7nhsNxSmxc6IwnDCCzzEEG4OxH4Nt7L2hy_R1sI4XUo4nP0G69HrCrAv3YsjqYfhPEMspFoT9z7790xEhwq0I7KRvI6UeZitOV97iKVy8iN9kcRpVItQ.DzVUgXmDvCkjto7JDQNE3hdk2ErCKMm6a773.86wOzgw_f6ScXVeyx9Tr3uT10Y1xCvld4dOhhCcjJOWfrEzfOVhff.XszaCG1Fu9x.FEC.43wBStvGQDad07va1afQ04aK5Dxe5LmyUuOBtAVAZ0GkpmIbSBXf1qrbE6Esg4da.L73V3jE7OLg6tVu5Q439hmypJ8nDVDhnqmjS9qahc9mXdKJSvXDu6Cp13PYQy1XuuWdrwwH4y7wM9ChS25wFO0WfoOJA2gOkpYD6ccFYjNJkTRhJNvrVBsO4KVnGaZ.psSt2VjInjy9C3nZ7Lmu4LWvwVphyiI93hqnYGTLpTt20gLObcvO1YjeYaVHPdHkGluilcmD_Z8Ml65fOM8q9PiFrTX8otP6CqdB3OI1taM.ohtA8oiGi.B4_D4ywArc1sfYuOSgaDI4RLZ3L0Q1oF49Blg8lJnzKD9J7uhvFvldv3zsCEOwjSw.sGWMhwzQc4SXqlmvBPrN4fC.yUxITxObRiAplShG9u7MgqN1VFkXZ39DTo4UbdRdcU8tLo97hDWbRvkAsG4EUrw406BCiOhXGr45J4AbiUeT3FYyTkyauSS.df16yssJRLwSX70Cs1J0Nckb1lk.19xa5gvH1eLG2zM7pKlZPzOAkwxXNTe5hYwii.IcvmPhn5xspXCYCWPJ1qWhXURePDd.9T4BhCLBFGiv2B7tiNfLUgIbdaQCkc_mbI7maogdZNha_xC4wqukW6JNbBLZ89rcIkwiBd2Dtb1xRQ6QWgYCrTQVzZc8vMZJTs43Wwz1tSopFRXAlD9p0RsuaM5qnIjdktq0dReZJSLDrDcuYVW4wNkZ79nSdEmBUHhi1OvnG7r1vQmDqxiCp3kOlFBHYh2bBNqZmO_E7ajEq_CB7nSIJSt98HrwDkM_J_uF19OBMnJS1YNwlHAGYKxLitNFpmYbTrGPcRq8K1K6FG2j95MetUe.Hu6zJEdPnjrQtHoJmyH.IFeOsnvfRoiUagQgD8yEfSAL47v7TQzjLonwCkomrYKCgxTkmwcjvzya6s5HeVHT.7DWDNO8yLWy_sIYjoQXc7WJro4tWB.s1DG0oZ0Bjm_Lc9LfmITzHZb.uZx.BeITbsV6mpy61AZqb1xZk29TPgg41fmNBWrVGQ0kdetIp505UU0cDBVh5oLS.yV5fmYYgTcUc6KOqRP9skhE_fJCBtrg.aMXHeeZ7Kvk7qNRhNHdQRY8W7fTzo9X4WXG5Aes1lKJo7bISYXP5K3to2EuNcvy5",mdrd: "ZECxFWwzT5cCgCyoJlmPhoNou2RjB7raMw0iBhergRA-1739104978-1.2.1.1-7KKdfX9vZ2TLMjf410qphY_Q.lU5GGX9qIIMB9giFcbEYQvfDIzEjiO1echYUTYpvRag6JUQ00fw59fEVmpLqlD_lVYCBsdOoZTbnRuybaTCbm4d93p36k.2uEjdEhdcvbVHLXHYZnY.4L1yiVcM8OXIgeSJXbhZUAySmOTJ...cwC_taRYdnoNMb1kx6jvbiBvVlp.oVhrzwEYu6LDI6lTjP4wmspYFpLKz7awTYOoQIJtj5sliczgggmS1i4bj4eZ8cDQbcQMOYBwJxDRpLIWcSt5q_iYlCWnlRNsCFQ25nDBzB62TQzXUYAEJ4xE48pcFrfvjB0bC9vLyTD034.6L7AmhnTIC6PZccOlVUSaEy4zVRHFl9mafdiXGdEVe22NzOBXBHxjd85HAG_i90p33Rq80K8_sf0g3tIuBAJCxUuAzteFM4jqVa.eqAKg1JBw_A.wd5KhCm5KrbxlsaoMOQYhlFj6jY3meFjeQKck6Y0AOYUx4VkTDoCBvPvHFHjA5po.IOe7HH_KuRXBPN3j3WKb3sp7pJNoLE2Fx7sDBsWaiVAPdI0ao7nBBMxzjIQuEf7Zqz5zziMFjIblexKrliTtDNPwpNB5Oxi9dUNAmSCnON3yr0ZSX9osXY4E5Q58wqakcGSMNIUfkBUgu.fYHh.GYVtFOpYZtZ3zkBsYzpsZrbnvPw_Ds.zOCmqsDWQLjQ1vHLKLtiC6sJWV9xyeqepp1sA.Z8.MOGS4v1rXV7L4G9lrcFs77a6VSECemtC_.sbH.HYlrRrDr8tvhlgqKsiVFtVR2Auh7cUB7qdYXdYvG4rAwk_X8_8DICg_jeeq8q22XVJ9cx_3.TiUmTzZmJeAoD2BUMQbVa_s308dFM9tXNGfWNlCvuGQKbKdFR6pdd1kHrxjEjNuIuVv0W1EANB.zs6QpKb2oN9epBLF_ES6HXDCn5YCnX35kNrl3kD83TbP4yjh5IEqegcxDHdTyASAutoSyElkFOj6wrrAfZE_Rmn4ULruFNjk0bGuizoxrdnx6GMH1w8f.wBycuq5bonJA1N8upxqRqY0PBJl1nQRAjroeM1WzY926VuQtwlaO5ZOIeZnTRAEB6L6VIwtI8dOvJfmtVKqxkMh_5tm3sbsMXq39MkM.Yw8vIY3dTtwHiWDGW.O8oGY1H4NtuBTRRWUgfN_T7asIVGHwrZbGUE5Zk2aTxcoNyFoQI_sHcZ_xVEd_.VhAo7CDcnIDorjj1M9Qhtt6L9XjRPwFGwB3KpkEJDwTJDrt.sk6iReZu5.8Kklc6UHx71csyI_FqIGbnvHXaeRJ9wsXKy0rBSiEXg6vNdZzBc6oIdOnjjWukNHAHFTgiHHPTX7LLuw_a0SYjUQAPbvkuDpvnIJmea1a.k6z3RPXCzSeRwI5fcRIHONWAITBjJfxYWtB6yINIYbTSJOM2g3kDnrM5xQEesXuBaetq2Gwn2VM_at6DRb4ogluoKF_5ICIWJLhLx39coqtWdmaY94rlVy4Z0JB6zNeexQ4ZMYrQ4bIqbI82XRDAUW1zpio5PaxTDtxz8RqaW1YxIjbLh3au1PYrIDa41NNDAbGVFYYMTsET8jBrDMBbTAJvXdJaS6ZmcbzGVj_TVWUAIVbYXpblQNvp5.MuV8LQ.o.t7qUlBKXTwJDEsDDCosPXIjwQWuJzhJ9FTEIbdA0KhHHpet1QmiLmVw4ZBoWLT8JGpQ8It91pMnCHYeD2mwzI8s23DkQNKJvrsm42GOIixe.ZQFs.MrCcIzQz02y.i3qJ2WcCHfqxOx4y4DOfMdswgSz.J7k_ZMCd64_2BZjqhEgCoCejO6xd73yDtE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3f145884c5848';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\/1604795823?__cf_chl_rt_tk=d6Hh81EREvTgug6nh2yuRjxmdltM5WvfaUWijDUseIo-1739104978-1.0.1.1-ayaI3XjlOsxE77l3j5nL1BaxeBBRXg0e5OoRol5.Dcg" + 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