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-613816046028.mit-edu.top/post/3654192087

  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-613816046028.mit-edu.top",cType: 'managed',cRay: '90f83148fc0bc988',cH: 'xpDNArv.hap6Uk1lLuBefQSWu2Bjbv1_Gal3xDJzjzU-1739149543-1.2.1.1-yjW3.twPZGdAlhVAkhDrn8.xJ5fCl09FwY4GtWzA1Krseo9SeaKcmwvKGhnmyMSx',cUPMDTk: "\/post\/3654192087?__cf_chl_tk=Fnz0C6xvQTqpP3UtLr.wCL4vPdx0V.Po.8V.z_C.AYE-1739149543-1.0.1.1-dxqW4rYWH4EUNWnoh59O5D4sWh2K9euWU70_CFnjOmg",cFPWv: 'g',cITimeS: '1739149543',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3654192087?__cf_chl_f_tk=Fnz0C6xvQTqpP3UtLr.wCL4vPdx0V.Po.8V.z_C.AYE-1739149543-1.0.1.1-dxqW4rYWH4EUNWnoh59O5D4sWh2K9euWU70_CFnjOmg",md: "Cv8rLA3rDO4XbjOF46kH8tOODJRXb1kKay3bHwThg40-1739149543-1.2.1.1-P00t7o6oecuuIyG.1yHQR.2k2wIgFXjEEt9LrQ1en4kzHWGv7CCsoATCL3wclj9vWD8wny2g3qGuLqUvVITzjsv4RA48dZGFrGJo6pnnIM7ElZM_3kHUkwGheADP64WvZI_K_kw3I2T7PxwtBU74NkdOVZKoJnWyE4dc8BahANd_Aqhn8r4nsEvtfcJsMAHFZdrmedTRsAg0Q3T3AjZDcEwDlWud03yEVenyhi2nQNWG3nftgPpjTpsG64m1R.YYYEiADANx27gAYy5Cs6S81gApohVkckWFRjirmNXIh.mU8xGwCfqXKjIwoh3iAG4tfsmHE805tZ2B0eKh5CNftqwgaF9OXnyPZ195tB4WPVOrQbZL5dedkjHL6d8R8S5neGimFc_GCsGxUxKwFkabCfrhaajDk8cDji4gG6fND42poBkW2tb.HO0XpKRj0Gp7oF35v5_zP4.P5iuUFhKHvd1unhBjLZfM_2Fj6AT2b_OW07YMHoweR6bVnn97hiQ8uYlF1PtkRz21ptssgJq0IfI.xzVa7agt0rKIfNpp.fggnEeHs0VYKQzUn7OcuZiRIrsp71kgrqaYs8pStDRDD09RWYFZl.Y1R3EtrrhkwbV4R37GMgKWSvpLclSNy1SJq4pxcph24TFyVkxXtz5TAtymHe_KbL7r6LASdRWsmNopcdT2_CSaTPPps2d6UAqmYYQEhoP0ZLs_P_WSuxd0.1wE2QuqBARvB6IGIaCPGSqOScQqP46G2YR7HmughkXKdyT_7ZhPoDn4KYOI2ytW2nxuevWEF6AvxeZEi0u.L_NZ.iDHxM4yQSrmu.pYq3BTBPRWGZ2n_J32cp_kbl31eH0a2uAiTKq_kZSVGLxEAe5rxBNnpzaQp0cjGVNpIkcoF6kehO3j4243J4fyWYjFPA.ps_rY32DI99fq57wt.16xE4ABN5us.d2o0GKuXLiplQkeuS_htL2JMTih8BMuD3FZyZjKeBszyPwuIjGbilVouFBxo8UQjuP9suZ5s4BTczk1T5V7gaJ26ZqGL2Ozxhm02F4qW8wG2.OtYHEPK_vT9TTeKtEbowSEpJcoM1hBcVmLz7OeB7oDuCczlJg1bpNqgVTz8j0h.M56zBf3LzZwkYJK6F1SxVV8ljMnolJI2KF4wumo18DT.chlvqo0ETTd4AeS9l0XovHKWLiKY0K.YHK3_s7eN3QwpJGsX_dcgvrU8W9F_Ahyuug6K7_m2XpR2oJ4R6lvnQ9WRHDv2MWvK8Nq3ivMp_dFXtEr_aewZ5xQrxF3jGp4uPu1.DCSrS4CZai_tG_R1bJ4xDF4dxtfVNTO.Yj1uZUEvtBmNcU5QYO4Lg37tbSVT85Tm7U.a5PxysVMm7srerLG0rWnHWL2od5O2bomlAKV223OHD7dtS6I3T2VPT0oBYjNqbm3MSWlEtR9yt5WRW7lQex6wa0bwpA7HvElYcD8WnQAs5SBh31mPROHOp5l7geQ6VLNTh5fCSTDQqlZ7Wl1jZT_MZ5Vl_SZQaysKQ6AjGT5yCszkOYbORbrEFFPVgFxoKLsST8g8Jv0mZ0.9pi1LYtiDjSLr1usjbdgEORFrmA8GUE7CBN6mRmq6Fl9g..ukDQnLSj85pjOcu8PmrPqvy_m0uPO2Z12WwLTsW9UTb1tGxa89YZKuwjWaWqWYGDsh7ptet6acyz07qUReWlAb6sMxxv.8hnygCXSg6KrWeJAAMROauR.er.Adj5jdDybwciQ.W9jyCbfOHmmU6HU009GIJ5QSqz6ltGT_qPy8RalKlOPn9H8hR9msNGwTeIIAeHldRgX1O5PKD13_n66kqkyYydQ2uqxyA5EOVD7Q70thZdWt7w4uSauvBYQcvGsROETOrzXBpOXEceDsbbIkloWuSh.Gpkr8lQuXu_3su._1pL6oPDTLtztI.VVeAkrHKIkyZyQObIQSZ4r9HdcWNoHMNzX2iIV1OAAPgT5xDhe7yhxVS.VYoENnYU.0mKUwEeCH7mhGFLDWu_edkvPfV1t6ivZ6krZZqCr9MEuzmm4a4xpgG.Ha.0qbpTL9lhgPJF4oE4_ihPcoxFcNzWZTVL6ohnzl98x0N9.DE0amz.IT8QJKi7SNQGFLgd2zRSg9k63677Y6e3C.B1C4VZ0kEmxt7tM5p_MGRuDsbccZcdRCgepGMhTgrGkFwNERvzxs4wuA4OzCyWl0RaLFEO_OQoCBq_8.7Lgdeh60Hm9sKFpSJj8",mdrd: "lemRplI_y9QqfUAbmjI8Et_e4AT0TMgsjIvBINFwR1w-1739149543-1.2.1.1-BIYaN.Ia6HH0MdCLbCUmP6Qk.RPAQnMUpT02Iinrans6A8dOpSfRIwv.Z6JpmqwlrEX2l02v3InVIpnbrU9Jp8uIEAYdh3ZcYYVeSaHI7Z0ddbctVdULvhq7zN_NpSTcXPE7MiVnNExwgBlaixuHigh7Ai8.JkRsrdqmDI2Amqct.2Rn4rOI4zyC2BtvHj.roIO3wDzFkpHlORfoPxyMGA2hZgmQfm3uLGYATC_ptoEHeskNerTv9C3E18mZI.ERKJGbD7es3F2hbsJ6HB1R1G1vyvNcwrV6uBh70ywIbVjyvaXW4qG4WCZ.O7BaaWUzaa.T.TcRfJnnjtG4zEe6cX1s0b9waqmVFS5XdXxd5HZqBHcqBwCASngMPfpoli4d1aM_FiCQXMy7U032Mx4yXzHOBeN8OS9LAS7F7tR00ukVnndThzlKQ4mIKQByNO.uZHCVH9IWxqMDSNX7Qgh.9pgQUiJoYnIAZ33Xtfqh3nDyaoOzcEbIM0Pu0sYkgbdNQFVrfMcPjtlApE8M4ePkJ__dV_NUE7qn45cS9NOJrQNfK8zmRn7lmLlMgSw3ZEPScK50SzJCWqWZWveT9e41ORKeen8Vpx_dhuYMl6Ujc9J7stEYhsDEYzVzULMKZLkPZrX6ZSH5ozxwKZg3cvelfaKtI48rJMUJB8uW5oJlzkjpcbVhLquXTL0A8oQNkD.Q6WGBeTbx.EN5YOU4uDyjx2THzJHae.RfM.E80BpPJ1uEVoFSrNf8VI0fJnaS295HdXyP7ybCCfQ2POJ6TLnc6sbFOmQPzKemftbbevLIxpj57Qbo7zpOBXDdluXa_BPbOGu5VYVITxngrAPJ8OmsZOclr2wJZkpVmtn603QCh2iuAbeLQOxF1BnGpTQzwUIrbYDlv0OazrSBgQ52WxSpMu_DaGKw6x0KUBgMdJCjZ3iu0z63sOmZe3qz7k09K17WI3lpxYyYGyWwCeQEpfrlcV.9fqZxTvc0omneD8T93xmRW3cxsN5.DaMU32BQA_zSl1H6jRdJIem7jPXs4ZSAjXLc99AawW32dV08Mjz5aGz4aci9dIl270c5u0UsXPSEi4KbGMEYbJDVcYsrmK52QqVb8fIWuhWE1BkpCZj.PFyFGWQiBSts8g.jCNhYh2iu2X7jCfFK04xNeez.Hbcq1WT_CPv5Qr2FN5F_zV8WgGyC1vWePiHobPF1nW2mIZ2GI.unjKEbxdW83FswlaFvxtP2eXLFs9JDRv7dIk1yGFR2sNfjDPBtgIQCHfu26Xkelr2AtbkJcfs7Ns3LSkL5gzkTRW5bi7rmfKMneKgj5tdxaRN72HD8hG1pwLOY2UteHee9Y0wVbWSkfmcRDXt7DD3YUlPx7_UbByo4PjH1GtI7VFRyUpHNFltk.VG9oPn1Zr9OaRo5omeeUH88le2A7khH6Y.p1EDMdYpsLt50n7PgtWcH0XyTN.7jG1x.8TwRwEY8hirsohvsfj57I76GVFfDWgAmC7BBwMltb4nz77vG85TfEVRmqc3K_uoc1TPxtAAtus122bx3kQGFQ_NNHpJw.Wr_pwGoJVdAB_qDVuecdWpXQkDFWOFzsugIF6WcTBwkt_ntY8clGiPN6HJYhjyGxUFVklINU07kCsaGGkiMsoZkU1WJa5IbVdVDYRJDm8l2cp6JPa36eEgnbkRYhyP4TXJR5_pg22XZKDeCfsuQbMPmKFAgQSDjRJLbzoy6xwTteD955TH_3mEdzVBc0yHs3CPqJo5Ih44xAdaVrB98PJ407ZeAlUeeVwZmTe6lIlKmMgYs6YBkHPJ0MeH6XQFjGxMG76rx_XVsMUiy4Us"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f83148fc0bc988';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\/3654192087?__cf_chl_rt_tk=Fnz0C6xvQTqpP3UtLr.wCL4vPdx0V.Po.8V.z_C.AYE-1739149543-1.0.1.1-dxqW4rYWH4EUNWnoh59O5D4sWh2K9euWU70_CFnjOmg" + 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