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-177454665699.mit-edu.top/post/3769812045

  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-177454665699.mit-edu.top",cType: 'managed',cRay: '90f80b0bfb7ed6d8',cH: 'SXuTPZt_ISjGUeddsS709ZV1NmCMDFv2LNg6fhWP7zY-1739147977-1.2.1.1-sAtGV2xsJg033uoHoiu0a4BIm33HXSTX0u6Ukyzubkm.a.sp1O5Oj1UOv2ffOnfw',cUPMDTk: "\/post\/3769812045?__cf_chl_tk=u2Zp8IBr2ZsSn6Ish4CwAQbrwlKLZexV9WAytvBKOLE-1739147977-1.0.1.1-Y9jG0XosvSO9kWHhNGdsMhffc3cs5Cx6jaPmG_O.KBo",cFPWv: 'g',cITimeS: '1739147977',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3769812045?__cf_chl_f_tk=u2Zp8IBr2ZsSn6Ish4CwAQbrwlKLZexV9WAytvBKOLE-1739147977-1.0.1.1-Y9jG0XosvSO9kWHhNGdsMhffc3cs5Cx6jaPmG_O.KBo",md: "xBlceRHIgUmeGJzxBhmAzvShqris9m4vINZvAFra71I-1739147977-1.2.1.1-vZGniJz1t_mlG9g_uuU8do8ENmpv7T4lgRVQcw7sn.DPCNslmNg0dhphbdTew5J0UlJp8uXnSAHyY9fRwI8cJFKD4Ln714rY4l0tZ_HnA67I0FExl1EiqmilBDMhs2W0_XKYt_9YQBZs1dzHGfibAnj21o7wk1QSu5xPgDHMN6ubcFIhjUUCPjScYJ1VRuWLwIdGEVZyJIS9RuzeDdOK2Hjf6spNHnfNpQ_XKNS7gPmSHvLLyEJ1Q1XxqLPupbX6en22gHFCo0xSE7KlVoMcAUWpkStXA6iFIfhSBSyI45I24uQcTjoL1o2JKSPsLTvzg5BN9IhYxA9AYQgMisoXaCWWKHJ8Z.3RCo78VX9f0aZeZEryVzsh9271eQh97E3TuMjr6BpNOkXr4OtT1VhlT.2rkJH._TjFrXfm.yOqxT3isHouXVV8ffSxOZVlHKYOgUOCVqmXQv6q0nQTwk.ke3crD7jSbWMi912OKHGevwR14rJadqg6oRE8vp0ThXmoeGLQU9zH0q7WCzQZMvRUYN2PJi66brwCVhZRH2JbTNg88nOpSAPNcYUiQ.4WRM4tKwG8mI4brLZnwGeX4hXu3F2oT7htkVwMM1b70Wgws8oFyB.RsQ.37f5Afm1JGBQ4wxQFK4CY7JS2irLP_Vhl0JTahXz50iLAbNRoZgHMoh2eJEvWbEMyN5uWNdtB5gdjJpy01Ld3S2jHyw9GYTcJ_7VuuV4V_XwbQjlug9la2.02lydnItHhG0qcY_x5XWf_l4U3d9IqIGV.8Hm1lHp0_RkDactBAoe7GUwinkzbR2Wxr.5heJsbNSKsy6LOQo_FFiIGWBcUoH4y9UYl7BlgTwWVQhFZ2XhOl.iVfMYG_RQ5SGd2mlEIsYMYiG2MEl9k2GHn0adFjQWhEQcxEg0kXmxOb0mJr6c9D8RR.E_DmY4LgjUAsd3zxBZ1iF8BzCS3QfCtQislWUdqoanJtgR_aQPg.TFeOEgBHgNIp2wmqdieIJ.Q5F_n.mHpCa2m85mw.afa3ZsssGNY7z3knVAqW2YHvaKGJ3f4vAEBePwtbSy.HRJMPLKqpvirFPYsePAmgipoZHaCxv3Kw070iJI4bT8dNLV9Y.61brJG2JHq3LFBnJ428lyehhmzeB0Q12eXhNMOoj.CF7aCO2DMzG0NJCJgpyLnLkATzTLwxj1rOx3x3PmZ8TcA8.NXC2KOvMJfHT_vkh3rEKPNQZmoYqLuSmMHz_0G9e_WcLJ6iukPkUD1hlr2q5RcrGDHVpFjU9cRFB9_aj1tLxzXHHXk73uE3FNXPO62rKFXLBPobACrp7kK.slykRzuFRwFrV.yqCz7Rp4.2au7o20HMXxGb4FOgrbWRixcyynrlcs5YsIRvfnjQxFcClDQwxE9VzjyiJe36CA8NvYckUOlG3dbjmH65NTzo8UQ2nx1EfRD1aYZN50NnFLFHaX1gBttjIi8SkexghjkEGZY7JDF9e9B9bSWgxsE3rpJMh8gqtOiJqsUlasG2R9IgwBoXSx2YA0dK6zOrAyRdwhmbUsyKNT9dCj44455BBj2MOXf24t9jxEBauzNYUL0PznTvOdnOv5LJEQZeSe08arzHOtMLo5DPQFzeCWyGr2WMB16N77Uyoqx.3lpzl_zxmDcBpea5EAGvS0EOHcz.oNqXf3ORlnlSvifKF21Lwre8En8VeZs0BDFlADYDYLcHkdDahEnMqVt70lSk_YP_HlZeKQ2kyoaD_4r.dnV4li9YOEq.6Aol2K9bNFd.it_mfOy9XwCu2TzneYCA_LfVkqTOvQt2cr8lZNUui3DXAfXVZ7h3wLiekOl8j_w2eUEZFfKeLWZcD3VZgRX_97YcctuVohRZ0Rv.AHweIahC5om2Suh6WxCWejT1Nkm2hnhsyY8qZIQ_UKTxCmzhNzsg8Z6Gjhtz6NZfq_9wMImLu.8HiNUZS94K7nrBj2UewQcw7CVGiB2LZFTbG5sh8qwqV.DYvEGtLfRH4SzZrC4ktmv4IB5DbKD_4iU63Qrkmz_EKmR9geNGcnILPeHMMCMP2fzDyi9DmFHE4ccLBMDpfMRsuiGf7H__5Sw8_1M0hDadSLpGLPTosoxDw9FjnJu5ijOgga_8WfPzAO_ZVoP1TxMkRiaW_0XmYZJiTSIJtUXUtrmGlA3vR_DkhozrNPqDmBb5glS7fChaltuQh8uTT1d9TyJr3xU1bEkwbCA4CTY74hth1nA4pzQ_jiE",mdrd: "z8oSeiuShwm6kyKQmfe66E3J6rc1YGbaE_S4O.R4MM4-1739147977-1.2.1.1-BTY5gBPhBeb5Uw3WGdkHTMQZfiZcgipZH3mdNJTyJ4YaOU8VwFv132E._oPSaPiZ5oem4t1nCB2YA29WXv2qA_s.c9OwqOcORROHQSjYmjf9KQ57saWsQUcsivKL5cBWc0Ty88nqD8fIaZEfO7d1cqMTTI_Ed3_0Mjp3wKR9zjKlPLG27yfQVPDHgJ.av5A4Y09DUgiTbXo4GodQjWykAoeyZ.tadri1fnsTDtRnxCUyfRUuBJVClYQey2RicAyzonuAmhhquShpJouaN1l3rXb3w9iPrxZM6786WV7BNZyYPb5x4d5f5nOfz96nKI05GzBMfD1gySMY_vOzk_j6wa0yd4kBgI_Jh6H4oV1.yENXiil6PR3oyDt_1XRxJDOwv9D4qp4F1ZJJyV63xdsA5z0.eD0f2Ty9VmwEyCcn59NFDYCPjkIbAn4hGpSZJpTuyCKMw3iwzuPVwbSgw5UJgp9ENpAXXhfAU4ZLTOQq4TXi.qBkxUdQfLPLsYE9jyqZrl7gkqoy4BoQ0ZK5TJYYO8WCWWxZM8Ze3md.JVgf1.vbjqRPb_CvC4Gf2kHYimqgrT.LEfxxjl6yekFnlQnjOiglQIpG4Xucom1l4N_jdbJtC3aeMapzuWAR9K8tCu..M8N1zRBLiypwlZtuNLlv1RUvQKgrI8u3ekoZJj4ABhlXoNH2hIoo2Ln4fEX8bUfQm4Az93kzVYjPNAAftF5N5PUVaFw_P.SZjmtLAE6YonU0sPGiSMM9xu.qOFtjvp9PvkyVrUxwAeN87uABxqSlXFCgQhdufeTxhOE4CiXkPsYHtV9tun27UDikMKDo.FX.CVaUxu5goqz.AuyGNQRfsrSzFDAIWab1LqeuYimXS2wAmiVGYDW5FtdzB6kqkYjPKKNkEaW0eehOtWd8.n5DgA2mXJ3choFWl4eIQbZqf5qFKWv9qLp9vPBZcVZN0.aEL52w_c1gfj22dG4wlzNNab0eSSyhuIHGTttjG228253wHkSX1rPAbjjdtQzDvACkLXd84fbkN7mkKGwB6dehqZ4zsmSqgi9T5pujPDFDVaGJ9aLblC3f3PV45odf1Uy60k4RdO5EZWEMPJrbDqGCjMvqMxYdwNctCYlNce0EBPPzx0bvNTbQUq7iCvBns6iWiAclUkIWeaAW21AhGcMesuxlZWdHZ7gpSf..zsO1z._yP1sSPhIn8f3L8EgFNP9zf6gJju3.bImF8z1ROUMbS2BQAdXi8Ad0.fPRGoKkIRP9MMXe0O4zjYvuNLvijRF6uYb2gRx4jDgkRSGzLCvEXIRJG4zvC6.6ZrPIjzpxtiyNjgLCOy7GQXcyTqW18ElvG8KjeK53MNIciB13cMFxCXnA9OVlMR_EXHh8v3y5cUU7uhFbS_BMLlHBaCpyBBMuE2i2dVnPOQwOtCs3NpzbJl5FYb_KbdNJC5Zm3mgM4qK1c11Bt5zokYjnmVzPqoqeqDIfMHaWM0R9z9sz6PJ9eE61Y7KidVzxhZBZmBnzkrqK5mPYy15LAS7PHdH.pkO9wjAw_vpOfza9bRueW.YKV58CdI_X6OHJntaC6DFaQmMisMIteZPVLvXKm4TjMQTH10_of83yc1bHQqzFxxI0hESA4kKxGCHw.nT3bRUuhl5eNKku42FJRLZaJEYuHlORTUK36Riu0QqwDeHDagDRkQ9D2qu7u03isZIg3L2yRl0OeYeTj6XnC8AMfU4OBNBE5a.xjrEAjR6e_mKloz8S1FUNTQqOUp5HNLq6bCiUjmDl9JP85_XsjP8X8Rb.THi6ztlg7OOqjEvlqn4l_thGXSTyXDALZ1Iz9CkplYednl9isXkwTd1X5O6Tf3pj73Y1"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f80b0bfb7ed6d8';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\/3769812045?__cf_chl_rt_tk=u2Zp8IBr2ZsSn6Ish4CwAQbrwlKLZexV9WAytvBKOLE-1739147977-1.0.1.1-Y9jG0XosvSO9kWHhNGdsMhffc3cs5Cx6jaPmG_O.KBo" + 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