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-611896466868.mit-edu.top/post/4170639528

  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-611896466868.mit-edu.top",cType: 'managed',cRay: '90f816e0680b13c7',cH: 'UvFr.Nt555zRviy1NFmEnjFM0CwEzZXuXtVxeT3YY3k-1739148462-1.2.1.1-PVw0mhs1KZ5wPCvrHNHKX0V3rq7vNaEarOodsF7QTM3YLWJUM6p1jue4bhKPzYiC',cUPMDTk: "\/post\/4170639528?__cf_chl_tk=pQJpE1zQq.GMXu9NJsf3etrFF5Q93WsX2pJu3cMfoCs-1739148462-1.0.1.1-PhMAcsodAF.LQZpYjffQB4AjaTbTgREo1THxn7KjTJQ",cFPWv: 'g',cITimeS: '1739148462',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4170639528?__cf_chl_f_tk=pQJpE1zQq.GMXu9NJsf3etrFF5Q93WsX2pJu3cMfoCs-1739148462-1.0.1.1-PhMAcsodAF.LQZpYjffQB4AjaTbTgREo1THxn7KjTJQ",md: "W15cGpt9.LCB4LztUJWuWU8kp2TlM_dLBxM.CaFoV_I-1739148462-1.2.1.1-UGN2V8Wxve.SuZLaonDwoy.w8Vluawhg8mhhcYa3bhrEq73LwhCPMSqoMbYI_nHTlUjLmyqKY1Jw4NodgBhQzmEndSb3eYT4e0tmG5nUlGfhdoFyNeoZDN8OSM0itJvC.DQmcOc.reP93aoz2OK4Wwva5kSUZSMJyjAanSrOA7kxT7Py.mYR8pmiryved0pUVvhNMCIkyBFtm4LQRNY.zoqnN0l2YWSmxyuY3ozMxH4zbUAtiiYChdgpDpX.xHPKHJNvhtmwuIyp4cQGNm3BKNh8nLjG3NDMPwdkkqRwkali705jKaZk1sa7u6wy0rv.qXn_0TnvChhxgXzAITfe87bUSRu6.F02ZC8OGMD7c_KK0W3lgPEUv.HoCBH.6jNAIJgayjrfrmsObJTptu2ok6mZkNTmMLj_h2.Z.F3d55jpeaxZ9x6quO2VlHoH7cAYdtO2l1NoWBcENxcbMsxoIIjvUBBVlOjsODlf_c4cZwHFktcJdfYp6AEvVrRgJ5MElx0MPUOLbpdvGfJzsgT.2Oo9KSV63AmNvOlpzS4dM0gPJ6Yeau5efSt3GO77uvTCKjFZNX2sxKPxGfZ2QG_bKqHbEoYwA7X0FzhytPAQY6fniGprlaQWsFIFZ677A.CtGTnILJJWG_aPOh3yX7cKNxO4oJDrB1BPn9_Dbb4mn8W0cXJZTfnu2o2.ZLRK5rKVWR7abABLrFSbzN_djyzgv.iohg4Zf5_C5Tgob3uav7a7j9HE69uPM2ET6zVlbv8jCvM79W7P4TjMNE0WhcDYm10o5ncIrov_qbvaXWjHJN5HFmRltgPYuzVaWnPgoR35RERlKxqTc8tenyctRFWEiZW8tlNjYAtp.Ty3DBhT7XsfV04TUevsVEwWghA.rUKXg9xT4oh4yv9aKyMWeoG3bnFjNzH_GZVImxdEl7tg1K53OjrABA.w_710rnbEov_Pj4sCU1F_rIi4qVtAqt1mO49lLC6QEhW5XVsBQWRShoJfGn.mjng3johQ_UXL6xLb0g64X6qAXs7G_x_tq1Fr9rescjIhpP_tmz1dQ1KwtGglfXmGOv..K.vDlsqcYm2Vc3ge4sQgYLKOoaRO45NwpFpnvecjYkP_dzCVt7_vF_Hl6E_R7kKkk9rpunlDHWmJSo51iB5V_EQjN66v7t1pqFnb.g5sdoPJtvVt3XkbPPbjhNf4TnC3q7Lk0IOHq9HewYue.aDbRI2orNCAmDntOkN2BU37VekT11iF.J5P0ofB0qu2c_cw9.aTeMtCchrYZVC2AFe0af4J4laP6YyfR0F3QgBnpSCLX5aVc69PyJk7xk4.evnHU9ZmznIwyUuGYuXgOt9XBQnrmc93KuBTB8osE6KdoxDomis7c55xaiUVTQGojdV1vaO1MnjnVyVnVvx4tfIjqZj7eFF43kFiCkVYQI2AaFMp.ixfrvHiMDkzbJ4vWXSZBhr9EQebmvToBvYvo5LG9ommxrNOOXTj64Xl05mAkJBjfoSdghhM5Q.W2h.MmKx3smPNdRZL3_nPkCLdkfWblvNxYRM.iCudjWPARadCchC6kNfwCbz7Cqz2cJ1vp9LhXkv.eB43skNUtqK5MjWftmqRuQC86xkC6.y1PHxOe00HwNbne9GdWwYrFI04DSoER5.igXbQiiAJpjNRHwGYCtAIwj1opO7E9.GKjIcBHr2C2qpOEyEV5f5c9qJvWXwNsAbeKNQFXrUMrd37Cjj_PBOF4meUe9l_5iu1TPdr0rVjZCUbSlgaI5wuB1HmXePijZ89mQ4QvCYbN9YThhpSvzoxsh2LSLvfxapV.8R2grDwodaEHdQJOQh3.Bxd_uUVSR8KJ.xnGxYYIvSncWw1_oXXDe1Jg.7qiVQ9hgoorBmk84UzVG2RMljqHXOU9Ko9FDzKrWTk2vFCHx40EhZqEqGIND2HzOWZW4Y4McV2TOhRvcEX9RFVtzTTB8JgDWoixGKuR90Ct89l3JguOh6krAiFG5RamEsTpoWPMMo2uAKGmNe1ApV3LiCc_cYerSVye3bnoQLUv8IcliKUE2NC225kpg.b4UkeX6eDgAHjWFMIyAIgJsDHd1fyrYYm2DaSzZJJQNIuieshRq9V9EUS1gtHbWCBtkrXTaEJw9FymmeBMBfLLMtsqtrnkhc4sHKfOmbYrLjOWBJnSNBkScMRPec0NUZ4Xs2mh7DoQdX9JjTN.w9T3cgHXlYUYnRhsg0JoQQXEo9IV599",mdrd: "p63wD7KUbAG83JgK71VymuMudGI9JnpNykPajmCdNLE-1739148462-1.2.1.1-f6RMa282IdmWTJzJsYqqf9Bu2O_n4Thglt.2LLeBN1ZmknDrRFGuNFtKt9LIzMeHijz2_wqD4..07NkHPVmXFEiw5GvmMkzhu5DtGdUQKYP.t6MUw9oxp6c99ce10qzJextw0AIAVjhu7Td7ceGmS5qyqHfxqZcvdcdF7KVeSyqYwoPSK.8vKsvskRUXmsi9XZL5PpO5QIkieeVEzB.6PVOcTYm3AW5W9VoMKca7FSDbiqYWAqqRP.1H2vDtTgINrlgczEbqvT_j4aDA1gSY7Z4jZYIJlVyy300sdgdeXm81BeDxh_Z5T6HI3jpdqCMI_uCwoPGdYbwd47dQo6COj3kgzyAy8X6IYeJFGC5d4mwRPzMMH8nz1Kbv8MQhznbmGHo7eErQnHU3DK7NlcmiRok80.qpzbYKyFNZ0kRxQAZltl9m1I8VZhid_eqm62eP7eX59qwyLzAIiJGvb7UMxPKaL86nFHmE5AOJmvwfuGdNl0CjkJsDTQ2ztXyvFVEqjrNlYphJjne6ThOlX33HZ0X5WfemeFBPJYrdKE_q32LDxtbwg3p_fgM4F7DxAc2Gk7clBH44qlcAbQDcBQz1vHelNwjZnqxCvgp67aV291JXdFbpE4VzLaueK1zNNNZgxEO9AJjn4z.0FPEJpWJ2R7kWmryUciAxDQ89WVgB.IaXzt5TIomlTxDwphUZvAlkFkdZU4KWCfI9sJT6It0vja2prolRnpcYpf7POrKaFztiMC1Hxtn7J2p5FOdBAPeEbX4_WaU9WFN_JtQSnmw_UTMhQ3B0OKtBwh8SSmp8yLLFR2BmwheyrrjATlGLz3S.Psj9probXCs26AVyL7VRBsEcikFgJu6toaz7rWwgf0dNsQUH2wCeHZrIzJeAIL_cYz6C58n8gw6fAWE.lIiYClSex5PTAwXLw074Silq1TLwFNRTreia1y1pcOKCSwcLv9C2DisBRwcqm4gI3MqkB.lsBwUBUCMuzNeuy55K78yHVxDsKTuUj4OWCpp888I0LZWonLmOh3V568pAHk2YxotAgm5G0ZU5Sl6QYFXUkeBy0hQw8PspneTvONuZd2jv2oJd7Ff7UzAPO82N6GjPKXmgfIeIq6TTDuxeVPN3xcJtW8TMQP6_ltSbSmodi.CM7Y4t0RDgQNUeObN0UoVsmWX.WI4PZ9NiciYattSFmE69SM.R6R.tNbURf1MoeMTnBK.IUKcKLOENZnvfAsWaDKjA49X98tSJhQaw9K_mu.u4W4wKFyNxwqlbgsYtX6B51AU6XBRvkjJvwsDq18JG.T390p1SSxX6XyhI9PQNx2WLx.fAmOgI79ZAXTIUhVwGUSw6zQrVe1YNvzB3mpx2EQetyfHwcAJpmdDJICnehLYEnx4lwJENJANAqu2twoScNB0cApsbRYDaHkhF5jsw5G.YrfbgTJqlvXuO8XKsMtJjn0wkMHXWdda9tVTuejaaLlOCaoJpQMJP_oaPhwjIFlEpA7uOemAqL4HOk03B0FzLsvYIT4Q4GBn91q5rUTtRWfGc3d2oVNHw_FEn3uPdcpihKnML_H5AavgUxkKxZYxoz9w53wf3rD1Q_Pmv0EsnT50DWIMSSG.B1uu0HO69h3EIIOE2cvRkZdxWXH1Tv2_ZCUOe6aul5i06a7uHcfs8fVbl7Zl496yTmpepXi2CqvaBs6.17vjGeyFp1gCU0v4dU56MHJ2tvxUJIl7cN6wgc.TmvcYCbh0jYjMaBDoCwVT_Brpb0UMReEChzhgb4lnJPqK95J31pqWcBeAah4jnmop5ktNVixboLcD6NUcz.Eh40k6ykuY87e6KYt0v0Rc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f816e0680b13c7';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\/4170639528?__cf_chl_rt_tk=pQJpE1zQq.GMXu9NJsf3etrFF5Q93WsX2pJu3cMfoCs-1739148462-1.0.1.1-PhMAcsodAF.LQZpYjffQB4AjaTbTgREo1THxn7KjTJQ" + 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