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://412931.mit-edu.top/post/1497325860

  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: "412931.mit-edu.top",cType: 'managed',cRay: '90f7b6c75de781b1',cH: 'Scz.Hw0uO5edmJZGaetG.fQqQncjO8.nDSbfRYn.bXI-1739144525-1.2.1.1-GS.X96JZY9mpAu.SFMeZtCSU2aSsIL1IhTGfA0CQVsF3W__zZ_CDR.1GSCQZf2do',cUPMDTk: "\/post\/1497325860?__cf_chl_tk=SW_1F8GC27Q1GyKqLU1hl1e34o5U3SGD2F9OzCZnVhQ-1739144525-1.0.1.1-hCkQ7Ox4tbvRmAnvTUin1503fGseow4Xl4YXd3JPOjA",cFPWv: 'g',cITimeS: '1739144525',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1497325860?__cf_chl_f_tk=SW_1F8GC27Q1GyKqLU1hl1e34o5U3SGD2F9OzCZnVhQ-1739144525-1.0.1.1-hCkQ7Ox4tbvRmAnvTUin1503fGseow4Xl4YXd3JPOjA",md: "GjkeVE6hs1vVT06vwqFgD2BgmB2Bse1a12gXlwN2Ux0-1739144525-1.2.1.1-mNLCBlPD0_xKfLmWvdMhQtlD0pR9tNBob_nMb99TTP3QQTDbdj2Kz5XD2RaJVO6fC.5SGqplTmyhO5WHWZ35geDEVWx8OXeUSFP9m.CUIIrHDAHhChuYtkWW74DaYoBJdgJN3V586xMosoPkW8yjZLZr9WrlemS0JeSDjfosvMMaxh98h7bI7lysuYaWM0f.KLYCkWt2cXjZVCV2ib5YHmdx4FWGosDdfPzEwk3i6kLMUWrL074wWS7TKlL6EksXVuPLP1VRAeHyvXQ.44N9tR7NNL8nEC_MyB68gaLnnrwPCNUObdPakghVkWpHz5BHo0a7ZfQx3.VxWRn_9iWZl5AMEEZQ67kMe90Ye9IprfX1pteg1W1_tVxnxqS9svZyof0zQG.0hVQDt8lPxDiAYO0hrlPhFsjXf_DxqEnLyl5IpMlmmnNHNVpohGTQujw78.xl9IDuD1SSIhRiSMqHAyprvD88mIJDd_6ZAu4Yt4MnOlX6cz886eEg0_VJwn4NT5YW9qrh.giX5tyUB3LrXb0sr9581HZnDgnk0SNnt0vZAURUUNlg6JZUzj_.Zexbt_zDcxoi9hsNnQtDyGdvLUmCJHUzbKmIEwGhv.NIbHJRKUvjVL3DGnlLrdfG1eC8XwudH1GySwlngwAeY7KNe03kPobNLEQ0HRDg7pfoLoFGYO9Bc9qtnmTrr2SkODlOR9bO646Smo2Jb9YOGQlGtjwobZp76Tqv3mf8Di1qYhGpMQJnUetBBt856bu8ROyiE1jezCp3PKMCoP0VZ8SqdOqZrXR1IkwmVWUGnu9VWZBzwyJzi9U7_6mhTg7rjVQdD4TX4HuMlZXIOpAR6RK3wRjeC3Yy28enh65vhJzfc8IQbf4AJ2DrmPvd1vicl.5iGQKbnAFhvb5P6vKukeDq09rTmCV5PucuKhHHLMrjKuJegjPK3mepAWBjwsgHI89CrQ95s1pfnm13Lj.jlC2C8ubXVmRizAxy1W9o_cnSeoMtY6pMBIVGn04Qzv7qTKSBiJw7aRR1jV1n2wg18ErVZ9dx7AVe47pH6nPyOwzBu30QqnS.odL.rkhyTNXJLYp_rUjBWjKDCPmG5A52bbW5oyJtFO_ycj5TbOCayC1MOIA9gFb1laeFyv25fdRC6Shnvyq4H8dzoju66WZyd0dqR6ZMBDudVzBHxTL8DX48zcfzsxj9D43p3gJ5toTayqcR1GRaU0Ddv_TuqZgnYom0dHCv0wXXwL.ZXasESemTGTg4.qDqGPQ.NvIVFWcqJFPEZDD_0c4bJusmKwblb1A_FSG1fjlWa471hc8uTzK5Dqr4Jgf3gMO.EUH72t0rB43jj1QJ8pFUBMWxrqf1Z7hzFMizjAHQLEkeRIuUh44WinNzKPxhQyxwVeooUWuQqHGT7dmMlACqqNrRWjmtS8ANEsikHemytVOvyXhmLzv2QdnAWp7irDrP3fZNwQwx8lgcnmFipA826VzBPSiVV7cPFNYqC4l1QdOx1dcQMP0GXHDxYMunibXhIR71gkWcf6Fh6CxsEvz62zSa1xpEJXUPk39It3WKIAPSFGNRYhzmA761t8wlchY.cONzSoHSZ.qxpEVOPkjl0eo0a0STKol4BTyhLY6vrdyEQK55AONTLI_b7fJkCejLIa0YeEt3zwx7RFlPk0ew1h.t.lxdrK0NPGfTY8y9vinBUW1p.TkTEyT2GhyChNMjqZHwfY8wI91FF289q4MXKCji7EYVZk.u5qTVFqyPYXqeQp_EMfXzvc4QmNJhV5ASu01FUqJymXZkRR3pX0vKLXbOP5ryU1bVVXkYMIkgouHE0k_JmcEsjFZyyrgDQDE_GOlKuu6h2N.bJBUcxhsyOVtyX.PwO99IGAjGFoVCKpHkh2PSDesLuGiWmSr60cc8g_sOq8p2GEb_D2sNmw1N2sldLBIEbipytUVgXHNh1tKgGUQDuSt0MC1trNHi5RE8WGZ54mmgHOvFR.pmm5tV8Q2CtenL2bi8TqF82vVT7e1oX_GIfsXNrIh57wFUg1A4bIdB1q5tjheX90UQRoWFwOWEfAwg6NeVr0XpV4Qs.Ys_XTI24E_3PuuNMvVLBMfbK428CQ3Sfmq7ABG5YCdKNlWHWT4V0rv1cJrliBLD91mxQqsJiobWxqFOun1wwdsKwkyT.ucoWsBaj467Du7HlmpCUclXeMOhO0rSBBiMHH7Bop5Z7v1LdZA",mdrd: "ApOe7XgMlcK8iaLLvG6Tf2478r44aKfKGzuqW7udpnk-1739144525-1.2.1.1-aDiTci_lMAhOtkQfno8xQ.e6KCFmzmRTpXy37PbmUlnxHYxUY9.tw8MTyW_JWSe5rM0xWauSmxm7y8CqQucOa2WL2Ppxr.Y0UOTRnrm9oKElORVfJeVC1klgecN7FWNKBgknFz985NhU99EfSdJMd4Exmt3tx378L06CBP8wk.OvFXYikyZIjNIdRgZmG6S3YCMFhjCUSy1canj4KIHvvT3t0UKE6togIlzx3U3rLhfZM126p8r2OYohkSG8aqRd1BxNmAxD1UZfX9B72uRRtyKIeMSMHgXnJG34cuQClgugIVBZkOQ_GZi9elpLIsunx8VvO51cYREwkTKXEDr6XljDgvPhw02Hs4lyzXb2_JDZ8OSmVRxPB9YQ3ZQIpbZoBf_eJqN44TTsg6TXOqo4s7dPjh.bnBMYXFgYsvXaU3ajRDpERDc9SYGOXp9HUtT.jVtJEwLmyW0cVe3IqrY.Uwll_2aWAyegWT9JDVgDqKNolJRIYCr8vOEkq.IQQE.YoF4AyXSkF6jmu8dQjS5jQ.fpCL5xR4lR_8A2KWHSZ7TJaz1QEXml475cPwRjCSNOK1R_9Zv3b9JzGqypODsEnYepDRbkfkScaLx6l38X33GvOeIrcO83AiLa7QnCU3hwysp6LXv3l8EkcDu9Oopn_EjLPwfBiTgTIThAuVV0viNsiVdJ1awcA..RLu6LRpdT410SUUH5XbeFbbRcHxueVd.vkQuBRE6qU28ebtRG6yJLtRQywih1lF.bnS8lvrbkklGFPHxjTbqdWjKrnKgBd33FCWmCg89owJ3HgE.gNSHEUNHMac1V.xnF2Na9rxnACxPBx0vnmapkIyf6bk3XNijo9hvMV5573WbgDTAmA2q_IlU7qHD1Tw.2fmTkFjkZlLhpRl3VdGgN5xKTN5wZ.yM1Z3cORmE.MpNr8zKzotnHGhPJ4aE9CWMR6lfeF7KtGwflrrsxGWqRZzmkIlvQ4z7LYLLPJLuKvzSLE59Wam93OApMZwuvNaBxAzoeUTUlvYJlv2wpKs5mWmbszIHCFAVqmSQLNzWPhAbUOxtskU0kH1UAXBZB5ZoelydMXUmgBJao8AYBwTf_tUlv7jBF9QEYMANX8UNOxw8oU7Q0HYd07SZKQGufseLXAuhOECrGd0wqmbiVxssSgqFCWPoHbksldZ2gzgXB_d8IYOg8wos.a2g75uXXWAvTtHZCRDaAvWfyFVl0Fy3OQBj2KLF9e1Trldhb6TbFMUZUgXvCIPKWdjG.e05AgwLhdQToSyp6Lg_.KQ0vnDgnh5Uh5dpFgpNTrskKCCnQn_ARCVHNaHokND1F2I_q.CK4VWUyt2YdqKGr5cyJXk2ge1elqma4fWGNwfyOhvdu14aMr9GI2mv6OT7UXpkyWdcyHYJTr7nkj9lEf5jRDjhGp17SAC1QzMkAFO4AB1r4A7h54ZaVCFEzVyuHvHRdLGlX.uKVmNGyjxXlJqXJTbK1grRATGnaj09OhJTzHGF0yJK1zuhaqQwN1Fc9lSAvTOWh9ZdiNkBmL9mhR1ktthI0.b9UnoTI3ZlTzAAlFLm8canSjlRbewGV2L8eHdCSr2c6PDjICdoc4Uov7ICZzmkmsObPhotGEwbSbbQQxgjU0UxVm.se2jEB_BQBVNJr9XrMV38qOGKZcnttciHXavrGTst5WG3M.gCQz3Aes9W9g5h3gTkUDzS4iE4ZaGZxm.tT3BLYL4GpN.K8tJSQL7yszBvIXUTTBJer2n7J7eVFqZmA7AutJCY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7b6c75de781b1';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\/1497325860?__cf_chl_rt_tk=SW_1F8GC27Q1GyKqLU1hl1e34o5U3SGD2F9OzCZnVhQ-1739144525-1.0.1.1-hCkQ7Ox4tbvRmAnvTUin1503fGseow4Xl4YXd3JPOjA" + 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