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-affvuud85.mit-edu.top/post/1436502987

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-affvuud85.mit-edu.top",cType: 'managed',cRay: '90fb9be4aaf29c5e',cH: '.bCaVc34jLr5Z9c5y1zvT6_5Vkm8B0Faat2KqtA7JKU-1739185367-1.2.1.1-ZTuZF7kGH.haeNBXpkjwBzIOh3S40e4Msk9AuWZs1oiKUwitQ_JyB0.d5zDbVK_V',cUPMDTk: "\/post\/1436502987?__cf_chl_tk=PDlPYIZhhT9l.ZAVS15M5qokLEkcUivFf6HXL5uCXjg-1739185367-1.0.1.1-.KFGjfwS38I6aXrgkhTvph4hs92lVlNeOk_2d7hzsHg",cFPWv: 'g',cITimeS: '1739185367',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1436502987?__cf_chl_f_tk=PDlPYIZhhT9l.ZAVS15M5qokLEkcUivFf6HXL5uCXjg-1739185367-1.0.1.1-.KFGjfwS38I6aXrgkhTvph4hs92lVlNeOk_2d7hzsHg",md: "t.w0Eu_IEyJK1cx0Id_mXhoaKTXL5.2s2IK_Ud1ONgo-1739185367-1.2.1.1-deoHWyL5Z2y7cwpWRrUlY7ESv.All4._Fx3lgACZ3OGyUR9JZBkU6MTSX_t7cRyK0t4FOy_HgXS50mNzkoTxnCSqf407aa.EB0AVwoOC_INQuQMFmwckNpmEdeMusMMeHgtitkbJ8fNrqwS2Mro_56nzhemWoJdNnNR6POZACdQYF7EDMI5nfW291sFyzecv30gLoU3_ZvfexR2.0Pc6Oms2UOpxKTagNa43jA72jdVngYwcmDAILCNOofreUnEZ9XsjYf6ZBxgaN1dsjwBbKmCxzn9SHOiwUYkz1gYgzaGSHxpv1Nr5kpF.Qs3K94E7eU1oCRuHIsTmjQ4OoKNcsapCJJKYyvRwsIsu9eHsCubTbOmEPPuzedMqF_xsamlZMt8QeMBx3yNMolsg5sVPajwdD5qLEPQqCXTnR8qPM1jx9bmswhZMYtlM76u.20NJlEyCZ6Srl2wfIKaUEJWpW4QKOIqrjz2kWaFZqQHzeksRewCCQRa8QD3gOVHbFU3NWxqFpXIG_A5Kb8zfemeOZrsIWq7UZ0OK5LVKRcmTBUjAq4BDzvOUe8YrZH36lYe7LhrnnaCD4qPPh2EhOzBu4ZUAs4AbSp14G9jwU3037YchtRVy0RepoFoYna9JHOm5wSyenrT1iJxuXYQG860htV5gjzsFDox.ro80yHNLhW37rXujewWxuxbm8I0Ekfiar0hzQzx5EqFUXesqvvpAkgj4UdE.A9A9xOHkIG6VDcVg9CiCYd40EQN2Ca2H1yDRciSC4RaR8Fzl3TarqJ7brgkEmgn4RWG_vKhu4YrtVXO5eu7Eu6PBN.IWb2tFolxkvf.DFvYfnxJhfuoY2zT3ayDK1HkofQy_qbfvQDAMWBtdgyxe4902FeuWru7YkLsOxPWPlb9dDl7npD7aPRCQfrAiFdasozrfzjuqTsxb071pMO.xztgz4ya1ItXGULIvmuizFdeL_HX89zVPWaQCKgEyZZwMTUUrkSZxRc5UYvCx4ctEeWlspQcEQY3.6pMDSYstuLsmLyeE1WHFm4etQrxt4Da8QFJPpWqS8rFNvWdMuZi2dxjVI12A0PpPdosZh7eg0nusYJkC1gg8k2SSCLo7wkQNv.Ua30FEz60Q0cCc1CU452EVY9RUl1_s6FptqyrwxoUOo8OVoaHfII8jHM6ZeLHnAhSqDY4D4dLS3Es_ZELNXLXnZMjvsllPq_BjeR_tu07JQaHE8UHLysFCnUXtKm1Wys3A.RIcS_ZaWkbcSl3VvM2k_GyvTLIi8J5P9kS.t6tCCEOzsZypKN8dm.mSv8mSi4pQ5wZ6jNC1WZxHx.uJf33E8dup8kh_FwGtARlFHo0qMKjEsBMzvgmstDZ471tvXf0s62M7CA4h5R69UUTaDZyeS1W6zUZHckyp4qoRx2fEM3A01Y76XTuFdco1nGd_N6G9yNm3rEu8aJMHV5BTyzXhYSPzPzESBRUUr1rkcc.gj8KUIU6UFF82N5hFrkwNOrXN71nkrP7noPDuJtfFmJ3F3W8goR96NA371_B7UQnqbal.DJyo_VSd.X01CiEiJeoDH00gkZMYTtVe7jXujFckUZFQU7cKyF7tUqy9.05EOjlbwZ83IeMQbYhB5cX_766UW9W_.mC5Se6YMoFVfwCo89ZldYLu9Kek7WiYqclQRRF20yv5mgsfCy_37QjCwvKizfsBW4R8lS3_99WywbtBWN6FOJQ73__sam7U5VxdqHyKlcCSLezJabe0lurN3mwFwV4rJ_NmJUkSVLl1JwryBe4sHOTOSN68m7agqUJRLCOcHaPhSBltcLhwjCwpzcSP.Yy8n1em0I8ZCi_DgPuD9BOpL9a2vw6dR.W0pWVTvHp284TBwMbl5mP8d9oBiagei7jLvyA818ltYsXtRRCIi9umCXUDzxeG6A9cwjoh5wsxMGW1oKYzGuuKN29z5WnMfq8XDwhPcocTvCF7oNBhJsuubliA2hoDxMf1p1I1dfdrH0q1d65_bXtpAm6NdgsjMzeJGHNjSPFxwsvT1v_NvtdnLg6AfklmM60aRfMNDZQ7ADMDmQuSGImnrAHFW_HIdmG5UPJcP52rm2UwmiG6Dy4PIpmHojCdbBOOq00WLdvA0UQY2sFnqmc_cuuWF6p6C_mCqDNht1CEwqcllVa_VRNnxiTHXrSOfMHYv3CyNMod3GLeHm5TxdZbqdUDFg4.moO6yDiuWwkc.jZXXkHOMfedyjulOA6L",mdrd: "8gSb2O4YqNcvBc8IHw9qCTcEKzDqSKeVCTPg1b2y5F0-1739185367-1.2.1.1-2d3EH8Lt6VgArShnxBIkc5YhpceTVxUthnH19PgapKhSVdClZzMtOhKGGr67ub91Hq3X4SPw4wzxbI1ewLqj7EsvnnJWH0dZB2c6EsVjtyRgK.1_FW3xHf5EweJW7QfT1K2TNR1_cgXnmWHylVleSGcLQErlozzje21XIWInHUmwYXbG8RyJPsK3YpNnhbyLS1K9zOSk0.xMQ55jwDHKAqD7hsQMSrLKQ2cy_r5tE3iKqXSAlGkasaQ4iMRk9RMoPSxj2GoH8OIWxzTbTN6HtX5ifVUmx1cHewwoOynmM7kgZF40RJHyk8kJ7iVEIcVBFcQvYPnFnh11KTX1UJl3y0NP6_wbGL1rrYG0vvz6STk1navWIfmhennZj4i1XQih8.tewXGOWKe64LKjPOo3Sjw3t6NMWq3JY8pHoo3Jmwo5pTaKVyyFIWms4fjukRY1vbrcYwzFGqwwXPDQYwWTSuU4odDcAJtfSJR9yc4gaEkmwmf3G1iZKb3YyQfhZZVNi7kZ9XzZt5wYn_TGOxTetqkKHJh9JUY3PuDIYY3RjftVCUOpQQvr.bDseVUFnIlKJal7RC.YtgLMLivO3CfOjCfFscJTNnQ9FY24fi3F.VjJXWfgXZr0ST6lr0RIMaDh8JqeVCZAAFOKGSZRaNZma4gvV5nfty2jSEG7Z8his6EmPkxt_IvU4fy.gYpqwa8.pK6V457qc6ZRhemaYxvDZZ9jIorlpy2IOYYpsCBeUCQC3mRkbZL8LN9WBSSKHsOymHgVgo3RtaaHXmp_ByihMXnlu9Ff_h.uZHbCHWBrHUNdJfabfQJmJ6nIpFOWAQnR_0lvGS_UfLw4nrx8zN0vMw0jN4hkudlXVz.BfkU1xjfetdzJ.MqtiqBcrEWnkyGkBcn7JPBlKXi7hXw20caZUPY8xNF7gs1utx2wd8As135KJAZa.Puxretx1kPunVlEmHt558BxRQ7lrk.WCR0.CdbffV6cyhKAJfgIhxzMSygpiWmH3OleQrjGQ8xsZtyXoFqKcGg3aXfVMgYjKbryc77KP7AmJb5EvrzeZZveETBsug8iEWuc3Xnt53G2fpHWr9JoDVygeuKlpc6BQFTq0ccC9cR_Vu5Ex4KfIafnelYPneqXTM_qqv2LMJWJwveklrgrq_B1pjkD2O.Lhp2ZbUyKAneeZb0flUYYtN.qNKAHLF1yO8y1Jju1IMolG_WlcadxyBSZXbrM5poEQ.cTee13LxvD9xl3yikJjH6FsX7SUvdcb_ujWnyODfS_Yuhz1bT10SSNbRmlb9A05zAWMsdAsyyWzOqvpU4zNvVilV2WYGAifTE3bBIw.xXtDAJP493kq1Wh3aTdj5b4hNXDUzfZP_b6pTCr7FE_ahW41ApzpaUYTU6BSLjiQk.mxyHsQkLjH5ZoHU19bBtXYZ4j2Q4PdPAjPse2CYZMANLrkK2ch8D0j71t.EX0Q0S9BvzIAqjFMb1Cae5q6F21_.JIgBTvnJwr6c7gvWqrZiCQiN8ZXf.8mKSFvo0jTMaQpjFEqtrI0JNulluz4CGze7HZEHOXHdknADTl0xyHcaC576.pc5ZbLRxMPkrXM5739ARcV6fNe4I9Nw7MVll_vvcnswTy8XpUvJHRrIp1Dnx1ArUjrEFsGmHPzbCz747._5WdxTV0JPX6NBjjlt2AKNmte6lkP3Rfg_fQlCT6saXdzlwWZI6BQfuNVTAmjra3DkUScFcCRuuhhcNDcoLtCdrIn4ZWk.OBShOzs8CGUwKph81jsQhxx3Lge96hqcSuYYnZgPPytoB3jL30v4Zn.K5zCw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb9be4aaf29c5e';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\/1436502987?__cf_chl_rt_tk=PDlPYIZhhT9l.ZAVS15M5qokLEkcUivFf6HXL5uCXjg-1739185367-1.0.1.1-.KFGjfwS38I6aXrgkhTvph4hs92lVlNeOk_2d7hzsHg" + 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