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-aff32m8ys.mit-edu.top/post/1243075869

  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-aff32m8ys.mit-edu.top",cType: 'managed',cRay: '9112bc420e3e6911',cH: '5k7k3W_cU6mkzht5rucudwAAs_FC36pV60YZu5bUW2A-1739427865-1.2.1.1-TI6A1oqx4TKRbNEjBzoG9nZKxvzFywl2l.1J5jJY5c2AbjTv53BBn6OUuAWvwJO.',cUPMDTk: "\/post\/1243075869?__cf_chl_tk=ipap6dMxobfdmQMDsl3svHADHuVhNJYsC3u4NmDMH.8-1739427865-1.0.1.1-E0x0n_b_qkDL0ddOzSsHUbGLt3bRWRf34gh.Oyn1.XY",cFPWv: 'b',cITimeS: '1739427865',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1243075869?__cf_chl_f_tk=ipap6dMxobfdmQMDsl3svHADHuVhNJYsC3u4NmDMH.8-1739427865-1.0.1.1-E0x0n_b_qkDL0ddOzSsHUbGLt3bRWRf34gh.Oyn1.XY",md: "Ee6MjX14PU.VcqmCoKrbaiuho8ZagPm8tZ5JWgGqoEM-1739427865-1.2.1.1-XykPtpQYWL_XnsFZ.cor1GkSm4qHlme3DT.853LU2eS53ssmk.jDRpu7SZgveru78jr4qJQsMxshUxNf.PrVN7_zSUKZa4gkWNO66UaIHnX4M2tYKYaWvq82cGANC4_PpDDYybOkV8fSdNddRVfpO3x9QoIuVHzEiYpq_CISt73wscgJcGLMgRfg3m5tg5vh7WEbSfRBdX1a_ZR7DfLXrWjMjIdzRvFpzUSLA_b47SEkoJ7Xt_86YiCewAc_ZAGMYVjuxzzYxhtGWqKSDTrSfQwdYvywdIaWrtk2T.O8jR0grP7khchCFv73AWT80KkGayT8zBK6_KkzhXOp9g2z9XZhmrtDmIwfMg9sTac1Y_pm2BUPEg.P1bkwxDWuLDMcQ97n0uXDVDEgYYUfRJ48MEa.AuqFLWK9aPeU8kG5oPWB1Hd6.VN.LPjA7Pc.z9Dwfqob7zzvogtEchaGh9YofhMMxpYkxH9SiFc738xTFoUx5UVv.tFsVMESRDic_uUSmFcymjc7B7dIKkP0BUt_rWHGOb3SlhjQ1G3x0YPbgYG7LksW1auSbsEAR7pg_6SQW5srYj7xIWWd3hfFqIzFEHvag1XavGP83O58zPfYyh2_0FMBiOt24BDfqBLMzAO_P86WrJUn4_Xjd.jfiKlPjcCW0KB6ClCM.OB0RZRKGyeb7uftmdRFRwLe5xrQUXmVRX0mS1CRBPwRdLcFsr16MUOfKxB8.6P2UbJsbG4ZOY7eqS1qn_gC9BuicFLsOA7v7_ZlvtwhYZFgfyH3bZTG4eteWCVoi2Frh_zlSkLu5Yr3rMDp09E7VAzBYGAh5vDQ6N7EuojC2SCAXkOLiAWJKLri.pWa1i0G3v5phINtBcHTAOnea55jKnQj.DCvjt.xc5JghL63.mHA3vHNBn3Pit6gfllCUFb4tpo.WCQDQNFjVD5EVLI2qBSJdo76ScT42BtS6GzHQbj_iaAbylR.Xu17Axngi1iyVxVltbSnhy7ycw9icpYrDuYKYIDgID4W3AZSL5B2ZESLNUNXtuw3.lDxdn11qx9VGbC3PO11IO0N3ubu7hyrTzH7l.H_zDDTZQCWd2bP56LH_0vTuOhqj8FlKnFQIV50sG2eND3QFU22iTOY72hoe2ZRxjy6GtPh_75AAv513pLCHvpBtVaHwcEE75TfYIlKZkv_ZNYTNjmQW2VmtodHbn3At3J4xD5pENzvNBu976UIwJs6d_Zp3iNww8N6VuysQMVtAne50PGhDxyrF0DpPDywA9Rpsi4_wm3XIWQyrYRzE8rSCVcF2oCfW7QbyyY24jRXpHOQ9t9XuRJbhu_kS6ucs3.ChifYfKMu.Sueb_z5PcQN3ve9oywLHHHobgZsS04cd1Jx0L3k13R.Mkfp4nXcVmkbt5odLh9adLoldqJX7NfaxXcijB93HA_qPCORWAHBImqVKJ2oBdLc680LKeHZTJM1iHRiyMZWYUK26wb6T_9Jkbg7rdXKfK5ohvEPN.TD2krEyjbFovf8qXhqo.Quz6XPxGwH6IPTNAZddzcNxgAexMkNiQXmNcNVEoUZYjY7_FiJJOtMT05AmIx1P2CLgZmTm3kE3B.DwGNAUXP6k4bu.7Pj26StJgXRK5fGHhQZRicZut6h28CRD.Z8R.JHcTF7MQV2hAckJuLV12nn.3OAqyXBFNlB9LRa9qFaTdHYtrsl4zcCDuIwKR4HPiUqMKcGR33HD1ihqI_uePrO3nuUDlriOpvKKBdXdmuZ_Ozd5QvSCB_8mCGdb8s.dgyIaW_W3qp1x6LDYK5AxGI91mwRSwKIZGJg3bp6_giHexUCQitsCfOExTwJ9pui4RbKw5dInqW.GFoPjAvEA9TS45Cj7VQXYEktMqykvx33Cj7uN3I2F7tNhMlYPQSIjeTtrZvVU.4aMlaUdT3pBDF9bwMdSuSGOC7B8EElXtijFGzCTlKWCv00_vMuD5afRAU6Ch9tcJLPMobqa6FT6u7fgBk5XxZr.dKAf3oJ3gvs8yrSgx3xodEHurr6PcfFnhLAY1j8EaD3.MLO8xxhu3HDTfAPOlq4DSSfiTftmbYBXhf9VzccHZ3Kmw6rVGWr9hoFxiBEg1xprblyrJPj0TcuN8PUmP7hb5vtaxBHmOdwyM4C2nQX.WeJn_dOIFsGOT8nbkCVSma1t8LajoGMO3lW26OsqDJkhQZu1cjbHqWh_i03XdReyE97wplBoJzCHqPVpyURLSMa",mdrd: "rxVlbyUx_YQ54aec.QJPYEyPJwHs0KhScqoCq3NHUmw-1739427865-1.2.1.1-bd7frB08kOsDlNMRaeG8Le2kpyg7x60T8a.usPhXmGnVVXrW6NEurAxqWtoWUVRPjRdWlSwGW0h8_605AjQ_d7e2cmE.oqkD5RnrOjymQ5t0F0QX9vKbVQhTbaATN3rJQ3IIrwdyqSv3ulG8ivoY5PPx2zWv7X9A.gpLOa_wuIopEh5dhOmQJ8qDrnyuwy1IiDEzACPshXXk1NUcHdz7CZwgZA9x5VuO8DQ8wAxvlokqclK9xkKbblkZF81ZRZ3uJtgtu57nNLse7ns3xdS_zWaxfqW6kyywAnvC3mdeFns1Vl7wG7.y8wKqcNgi5abkr0PKvJM2GOcLvuJxKmrmUMohX_O1ZW9PcwFcS66Y5gYdf7Y.nyvf8R5ig4sovMcTJAaEb4mEI9n.LRbiLsHhveYMq20QeHqufeyZuDfaZSOmSInk_mdeub1GNcTDm0L2pftyaOlQDXjz3hkWTrfBqOHYXArOpo8q22Y2Kn_vdwd_3iTw0KlESKts7P2Aa15Zn_z71z4F_UNv7KLvloy8Wk3c.LqHutYMN7pnb_jD85H2ZjxEelWN6cQfBXrGlmDa1lfKWtf_ZaaonGcp.p9Kzlvui9Q5KatVbx7DvOGMjEgseDf7aIOqOzYoUugpoppdestBxo8hmM3MbGYGXMGu.2G5T1IVGgCNsIfait5fwDpdDfTk.1phIlFbeViwATG._aGJ3dm_IpmbYvJo4Dd7t7KtWVSS6RcJq51rL2iAgtYGz4reRfxum9_7kvYu31EXabTYeNrpKSb2bwdDxa2zWiyYhpjHx4zsPQEHMpB_Gmw7Uy0KbiejHBvUpLMltHRJKz6SZTQs3KHx2kMa12b6wRiZWLWHoSkZRlyMqq79143X0IQdGywI2z9S6WH4bGQxHiXs9h5ILKjkKiamPNaeVRrvZXbs9MmW6WKa66xQ8uAXOh4gj6hgB8Otbz5IInUvQes5y4bafZ2R5jzszwrATsDfis6nj5AGUH0k2EGgHGafTxoujPCw1s48yIgSn6MBfwLrcEZ76xh2NrvLKDFR7siGrTq13CPJ.x1VoN4Iq08Nvt5CpiRcngeLNOLDhMYy6ImKi5KpXzPo3VxyUH8SqOmckpMINPV8ffeXztoVKuk16CQjzsm1raQafIw9Yxm8nVj1Nzf6CNBKcWbWatUEtXtfwMnGGZxiJdtop0HxngyxS3WA6kCtA0CBm_FJc0dLdh3ewjNwG0jOUNrg0pasMCUcN4RF0whW.LfZKV67laqA2fkznfvRsyh6dKg1kD4LjcuP0dihdbex5UrQGLqwRbiDiXKFF51vl3qzP.Bd9t..UpEHCpO0BXs8sOYBbMSprWZVajGtj3W_Bt61ofw_zcRa0OLASPKHDrFRT7tS6jX24cw03s9J6L5F8Tf5Ir2_V9TiU0o3KUCPh_y3wTEJ4.v_41.I4PecZQzLK8c50FtxwK8oOGHcPBS52DKlDsZiMV19bU.ni_B7BS4LpK.R6RVchiSSl3dLEkzHMU9GauAdDpZrSpwJ8U_AH7bQMRb57PtI0uZs9aMJT84VrF6eAkcfXtBWN30.NLTD0ngT.TPUv4qltMwXqUkUb7NKvJgvxGN6P.mDKp7N6G3Txcx3lD1.Xk8bwYWj3Y.gr846m_uWgQSuKQadzx8H1q0XklZOwCFgaBhnDCGN4uhsrsMIWmVKx6XcbaSUsZCogLJ7_CW8msdSOKuNDuBw6M227JmcMTNG3DEL3ikxTLMDS11XjinxjSph__yRhUmw6Qko7Asgpx.BL_ETvTJMMiWg_CWUG5XWxDkGWsRimMeUPq3VoQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9112bc420e3e6911';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\/1243075869?__cf_chl_rt_tk=ipap6dMxobfdmQMDsl3svHADHuVhNJYsC3u4NmDMH.8-1739427865-1.0.1.1-E0x0n_b_qkDL0ddOzSsHUbGLt3bRWRf34gh.Oyn1.XY" + 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