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-789471687135.mit-edu.top/post/3098752164

  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-789471687135.mit-edu.top",cType: 'managed',cRay: '91104bec9f295979',cH: 'lh2O4oB1bGzXET5ta3_Gp3kj0w3L9HU.ddh3LiOJxKE-1739402293-1.2.1.1-UsQEjHnT57766JQ7Po.h0RGNDSX0NmhQdhnEOk8v7JeMgBHwhKIppXrSHn8Enb.g',cUPMDTk: "\/post\/3098752164?__cf_chl_tk=OYxgUj5qAgeW2gezlIoAIRfM2fkv8P9ekPlMA.ITyRU-1739402293-1.0.1.1-8y6J8QpGGwQw0lApvMB0TEpS1Kp_Nq21SJr0Er1NCb0",cFPWv: 'b',cITimeS: '1739402293',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3098752164?__cf_chl_f_tk=OYxgUj5qAgeW2gezlIoAIRfM2fkv8P9ekPlMA.ITyRU-1739402293-1.0.1.1-8y6J8QpGGwQw0lApvMB0TEpS1Kp_Nq21SJr0Er1NCb0",md: "FROJXskr1Y3hNOU5jXlIl3XgUQ2NBrIQTAFZlgweVR8-1739402293-1.2.1.1-l8NRIk394ZgPbXlUExsG.OJuT7HRUpMWlyXcGfeQCi7jWLHtMxs6ldWmAsaKptEcDMJ1PYJDrfyZsdx_IHWzjXEWGnPrqNj9GablCPgfmllJR7hbktdUU914pSc2.KTCSf9IGuAJbR2ei5lR8CZgRGxetudow5ooNf34caJ2pjZQcAZcHRz3bgpUP1kO4fM.aJwaETeUzNiZV826j65tRWrmw4LZGkKFJpXqgF6pSy0SUVk7nSC1fx3_1r5uloPktxykioQg9Oab8RpVwguOGwqUvheGCo1boStdz4hv2E1rhN0HslLosHUPeqh2AdP7FRi3lTjsFoXlztBA3XUL6FeSlF2mN5VNYx_jm3WjP3emHLEa386aQ.jrJh0x5IaF.cgB7BrE6zhczWhRH9OxXo.HzgODipcf9IWzq2EImxf3YLxpOgmiEBPO9OGLtDgFhU4dzHe8PGc6cJMUWcCcTJTqH0ZdvJMGbE9FQtqShcs5H7XQIWxxq_axzMR0hlVR7Y3fg.IYnEd5sLcRmUymV.4_SKejUfA02mrm_GP7acxHbjPLwLUy4z5WNkuIRNSpD.yLWBsnzoPuaKVghCgWoIlV8MYEslbFs7nfRLBnRADI40CXhrWyPjWj7qTZU.9FPzdRxNsToZxuZihdLEbJ97V5jxR.9MVk19haRn.jvJvAJQWsktBN5wHZppg0unjnNoE6ztP6YZ9qtSr5XhdqwOXFQhd9i9mWzGJTuhmQvOHBfi_Urs9LBBqqwc4djCJ3_7Hskw0UcB8EE1oWq7KYOI1Q_rK2Kuz9pytyaIUrW8qIACxmtpDFqTaWE0mUfJ1Bp4yLB61Nj.9EH823H9fAla.IyfKGS4w06pPQOfp3eDYIEFjjom_4Wo4f0HjoHMf2NCT8hsYqpHeLkP8EzPe3GTEyGLRt7rQNfNSvNJDZEEiQhNNI6bhiW5NeJE9xxF8.2.WenoXq__pqdt8mLyaw9DJ8o3U8bX7NiaEA11gVB.57Tq2pmDqqAj5kHT90F0YiD18_OMX9zhFfttYHxDzneh3R8aRauO8I4.gId.TZhIWUL9ABtAQzecm14L8b172ygLyu3CKXpaOmL2b3eWtOpW6lqwHXn0L.fjKMlCd.slGAx4Rge1pDBtWMxd9vcYbHk64VmUUc08ZPFPtw43iWZVR97Ux14uxO7AYuS3rkDPBBsfKp0l0TSt0evJXZyS.ih0kJUs.PuBEFIi4x6aDuAEJ2wYgV2M4AofnecBep6nzX0LlOk0jSujqt4cY.eFsnXyfX.2Mtw.3UCWd.ka8fqIvNU1XwGlEZExoVjcuNT6Nis4H1AotZ1IvgukkBC0UxmHT5zv1znTthD0Zrws3NdL_mlNOBiRu8esEaSZCqqt4ybGDRw_IGUr_aIKoQ4jaEF716CqGU2zQr.gtdilEX4Vlc84sQNerbtaN9zmu51LAAs4fjJGoiNL8NqsSl8NWn03sMw4Q1hsS5eiBwwtq7FVYkTjcHMJ.eXMRbhR5vywwsGwSjpmG_7ItSQEwLccQWJXGnAKvebxGkskeR932xvNkU7Y2alg4axT_86CVUcxrxy1K8Q3yBHGrr7mO9u7.BnUVnaTIzPlbkpjzrn8KNSAqcZqDbWnxAGYBb7lfom8nMyzNAScqDATaWSiXi3lQUwNChyIaObEn.q3YmYSazHxpaYHC5PwZNOPli61hwe0wsmpeyUkuSV7uykw82qfCG4.mlLNEtZ8WIgIbHqLee4vhXtWDdkhXGawCI4hWcaHNY9cbc2bG7iyTYsYSPKqWuHoVcuOhTbx7Ijh6PRIab.MKM7OxxZebxHiUvdm65wiNUxDhujz0VOa2eXgU6wzzoeH1.JPH3HN1haoiJ5dok8pCLJi2QelojChXwn5UajspuYGxZ5x7_8sbiOBYeT1OE73ocBKSHI8hH6E.wI1u6w4dcBAlhhMHomErnAhLvbwR6ZxuGroBybyH1Ep7GKRssOPOFd5MEFxcJE9QTpSfKyNeO4GQm3HKD8WeBLtRoohCFuOnXM2JDDn3gxOsNR12Vz6ZC5Rk911mtcVP01a2ebuzSvPw_iGMvbb1gJwzLJd19N40zDvWuRVvdFFq3wULsdjCtlM.6DnGH2FWeBV08jt4_AevHY7EB09sDpoJMBH65uPRhKOFWBs6AwuiVUc9.ryIBdutLBCUUguqSq3pudwiavJZBaqhGHE81qBtOUPiG5LJ.WYGpVb25oAjW8.C1",mdrd: "L5Zkpw24rkCp49710mkNgJmsK8yafaVy4ZagZc3q.lE-1739402293-1.2.1.1-.LD4zEVC7hXXDIoQACGqQzU_tnAo7px0epRbOInChejtVsuy3dIoA9fL_0jHn6PkcCj3iRlyLgkvFtprC744KcztPZd9hZoMaTUzwx02tJf7XDJJdO1m0T.fh7MXVEcmjhq1NCYHz3m7OK99xeUed4OUABckZy2BAwsI0LU.N8hY0SC1.6KlZJDchznSN5xEJ.oZWmAQHTTOCWCFpqgltiOClsSX.dTed8M1Ncu7j33Urgho2glK0EKzbVrUjL7u5vh0Z5nIqfRtj5TUG_wxVv9Ab8DB..kjHTOSuItnzsqJbufY8MvQ1Db3IGfByTbnC2I69JGR6MgtBjqytUH6kk1lcR99S4KA.Noa2Ehw.yXj94rsUv9w8Fvd7kEQf0XPDoMT1OGPju5kgf8JL4g.NN5sa2chsmM1BTe9mB84i1PGmBgedHZL8TfFzR_PevVTEVEzkaab8GFEu0U3_ezc1YM9LrlYE2pq213eq9m_IUI50jBc1lQLnW4MR2LHoBrtRGKauOCqyBPBO9bPAkAMl_7qfaH8H0jbx_m1Yif4FdMdlF8qgRtdLP_Felm0JPDrDgMweaOli_BDwI7PzcrdAN26WExzG1npgYO6dPDf01k6ZLln0tZpG2x01l8ek7iO4TMMgeIQMfwjoAiqFu2_SBnYRX6zzyMDWhXhWEahErwomJDsNPZlntzNTyBpMXr1fqvG9pY.xUnvXtXVF2S3Q_8QPAd0pr_DGj_53qKNVKNW0KIgUBdOQ3SZilGHGVInbQddotJuMBTf0OKEHNn3Bi5sfvFVPGzZsMUbBnxQLjycsWjC4ERt9N9Jz95X.Mv7Jv_r3t_dy9qqklwG1hT3dgS5WwerakVmDlTYPJD.3wKbFNaXnS9RoMUCBwC3gKo5W6345G4Biv_vreMiL6yQjnrDPKPXfuIrs98BBekulWVJ7iNSNKA1HopXhbKQPvEsZ_sWYuOwJj3z8vTIoeqNiSXQ6XGYSvZe0RsVHHiwYiNK.QT_0i9lOC8SScIGGLStke_KC6dGZLKAYBYKUMT8zHzplKUqkLChH.HUS7FZpKDyLYBII48OTYt0MhP6I8Y8nUkCsb4ibp7xgpCwSDlilxu212u.9GTf4AgCBJ1xRAOHUMI5zT76VpC2Kzkw0T8HcDON2jLzdUcE.Kcd5oNonaoohzeTiuuXqXg0QZUg9InrwAxRHuE8gZZzD18gZTF3MmgQbzQnOEj7FdEEeL71uV_KP.3n5TIBA9HPloVe1vwLVkZ2qT2krwD32XrUnwwZP1qGkWlaamuulamXH7rwT3uDc0Djeh4AfuXwn_Ygla1syDHeG5JIB2fZu9uYFm0LcxMjw7CU6K3RlWfr.55VQV4EWYCvRwKrztFkJvPJStncE7fbhFmoRbUeQE9z64fZr3mGlNQh91S8cVOSFMofaLfaJMVw1wOXtqB6Pg0bL5EUOQSozu8TXjBvpu_w2qU7KzA4RXdXFxTGJGS6pzy2Vlv5Q9kJgpo9XHXwd_7PnRX7ZvY6oDeqwtW_nU28CGo6yOvIVzj3nX7nh5kFnqzz6uKsMpeRWg_uIaZUvQkBfuIHK3AEA1y90UpPc0Roz_u7mYA_FPB4iw6scmvqcY8nOb_sQLVyWv_q5xhDPPsKIvZlzlSPP4s7RMOLU78.WCXgRJfosFKbznYXaUdyKmVnhQveMUWfag.E5gpc0LKLvfzLlEVrwlIuirmtI2ZTDMdGN2ccNz7x0.LhXte6fuTsO50G6vi49sWK1j8oCUsW3gbY_u7yCChZjWeM6cphZVRJscsBZgvOAWPtjcZw3m3dPKq3K5U59rR.2Tlz5uvKX84"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104bec9f295979';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\/3098752164?__cf_chl_rt_tk=OYxgUj5qAgeW2gezlIoAIRfM2fkv8P9ekPlMA.ITyRU-1739402293-1.0.1.1-8y6J8QpGGwQw0lApvMB0TEpS1Kp_Nq21SJr0Er1NCb0" + 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