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-283502399987.mit-edu.top/post/9687415320

  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-283502399987.mit-edu.top",cType: 'managed',cRay: '90f82ec93c61d640',cH: 'eSxjIuZz8gZiRJGEVUyUXRvAzvJyxudOdRIxk1c2pck-1739149441-1.2.1.1-jy9Qg.wZ1VCYNAWJ1.jVDfI_zyIPBdNYb_YdOUIAbN9cMQKDH_v4yj1V_U_1KCTW',cUPMDTk: "\/post\/9687415320?__cf_chl_tk=ShY5.dKjmb0Ee90DNHScCv5zp7uRoFlvkrutmshhXBk-1739149441-1.0.1.1-H1t0j4QrZ3i.WY2UBIviC0KJyZls5WyV8tM7jJ8ZiZA",cFPWv: 'g',cITimeS: '1739149441',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9687415320?__cf_chl_f_tk=ShY5.dKjmb0Ee90DNHScCv5zp7uRoFlvkrutmshhXBk-1739149441-1.0.1.1-H1t0j4QrZ3i.WY2UBIviC0KJyZls5WyV8tM7jJ8ZiZA",md: "hVOyXkbP_IwGJ5lqiXWN931YWmC.8fEe3zFWm3p2XdY-1739149441-1.2.1.1-5s3WgbSsRjW0Kk2mYKaWFRaHRiAputZyk998VdX8y3B_iW6KGnSyFxbAukp0NFZeQurQc7pkR3pqVzXjPAgSx0B5g6Xogt1QI.m7iiIkLu_sq44ZghodCCJLwZrHRYKzlUjtKQs1LUTnPdN8k1dh6lFfgYOQZy1cS6wMxaom.7NQw0gfw_nOpM0t8_cZKI6CMrdxEChmxAvZ9mz8sVKfPyVfvlTIbW0yNX0I7RTW6UHQ6TxRIAMxC9mWw5hVAC11SEZWg9TfXsA8sphKQskXUytTGvJZp8z8P88DJ7NXoQPvTEQaBME.9ttdwhq8N6ONVShUkFLjqYHzhXdu7eyCCIEI7mzxPk4Pbb8UJQz4fa1wcU_VsXxfq59szI.sqICMLVBZW7jb4Y9jraCbMJGFN8TYLl3lFznk6S7a9a88pIMAITicXXyTQjsWk7Hy7frPQ0a5CzJUNbqH4HZC0fW2.JS3vfkRKn8Suh3OHRRd5T5w9dT2OpNt0DGr8OLxZbjBw1QOtluyJe6ePGTkCjHQhTdKfUz8HO8s7BQuDJkXIRlu0yyQXN5qcloTHgvu_B1Hw0HRDu_HRpAyqhq5_fDoajPbv5t6GSFvruofLoDEE56r3qn7fhQYUztlyJu9sro8xZHm7F_P_2f_GNQb2zOCMIpxay2Gg_QwIg9qBg6yCua0_zld_VEx1VbcMtWbhh2z30ljxDcqSO9wAshNyXc4J.d9l.SNsxmLnJmbrIQt_Thr1__2oY8eaQ2sUWinXYXsAaEz6j9KoJs4wqwaxezFBvWZqgj5fb9_xBZ0d1XN35WmkIdgYhNDGn4aj7rATJyCj7CtALHRJSCE8bHlDC6oJH_43BNoCPdNzHFCB9lGj4GbUY0RNaHB1rtiR5kO4qICgCxHUvobjC1N3C_hsnqFmWFBHC0v25siTUJnrprN2Sd01QG5rCIDyP6u2zdjvEAjta7Xi1yqYLiZSTLE.1vjE6yETduKhUUKbtu6gsz8veVaekhRTdXLu7yKG5C1wZWYzmTxI8UKGHa1i0PQh9eW6sKkAd3iNNZ.q7zDtIUcoX21_pbQ84XnrL30H3_rgkuUPiqyPZlsOPNAzSqLYxw4ZtQtQ1zwlGVxTcKDe0j6M0IhheJpV7qPqbxNWqwi0WnrHYs4sWli7jii9UdrEMDi7wes8r4L7FvJ8Z9vUgcsOtaw.EnHUukhEadWCj5x3wPZthaqM9OLYGjyCan2SzOEvjHkGSnUagA3wz2DL.FskURcj0BfQpguXQu6tVyS1P3KlBiLybRo4t4d6.K18GXY1gcrfxbgRIbUGFvyYYGjv4qiWcV8fhM_IS0j.ePX5PA_y_BEmyFtdtd2HG6741vaU3rtMFrLt_xVzAIX3DYoJ3WzyRoHYRDZ8TLSzs0OF8sk8SdUsNuJRnXYHpHk2kvPyQrH4Z.pNFCWqKHYuiruSnq9yRRrPobVjykmJ.Zj48MJS3JEXbBdAkc.ClL99chJloBha9_3SOsc7Btg86MpQbEL3R85cm.rrUhgPfsdjaUOidMyZJ0am8OVucSE6WcGV27HOe7lhek6q5rXoXh752x9DW02FXT38TK.uzx2dCmI5NzdHuHQb01Ym10xDlqgHWUwCuVMMUY714pHAyrAdWit2YBghmGWAQqg772xFYF7iSAdnA4lnOpRBQCdHW2f.VA1t_VD_f0zT8pOavOrE8CNgnB8HNiofjtxUIeZowpk.RyweCS.C5XjrV14SfL14rZmpCal9NTvbI3XaBk8d4qKn8EC75pgEUlzHjjDluS.ZeuesbXMe5u88YnvRnx8nxdBkiKgzyx4PGnvecnN5_AijIo1FnFpnVU9lBhKu3UehEJV7MeFBMtbtXLYOsV0ot5ODDhVpGd8_vv_EnOqidLHHHcMCUo10dk6AVSTzkbB022zF8783Hlm.np9htBGHWuaV4fecxYEFmM_mtS2ufpMpY8w9vt.Kkr8h8n.dEvhaOEMGs4J6sR0UlxihHK9iH863Ta1SJ4C3Nh.oj4edv7XG.dxCG8ynub0mXU85yn8aZbAlgHJvjMBfnc4MRJnnPYakUevZoKpExJT950ur0RnkpNbeiCPlz1CKUJu8ypnTXViKtLSkSy8Pc0bmb7gW5agLtpFzeJ9PBYohCsz4D_UkXaPH2O_KechPMka26GSnI1okivryybnzoMFio19Ywdy8Ip3SxRzMrKZ5oG7m_fslsYjhUBqKdrRTu8zDExm",mdrd: "NXg0t2r1CmvwfSIN7cqgZNU8CmS3aAytqY9Qk2GnjG0-1739149441-1.2.1.1-qkFgO_qxbZIboyEbhVmax413GxSx4c8LpFb.Z.ORcb1qGI5zkkPzxaxIhahyZ7XEbHwGhmr7B._JDdJS9ffzBZXLQ9f3BZ.Yh7HJ7xst.wPHbfopPzGEijHOKeloqVGS7YmeDR2gy.YDjuo8D4SDwl8o5fldRRQpONnUePpSHXYOIu9vat6AiVL5N2IAfzyFusBDF3Agb6KsO7LpY89VBkoK2QvVswPSFpqLB6i2Fm7pmtLl6ABok0m5XaiKI3wYix9NEPKbgccMj5HdS7WX6OC12qMYotMhf8k_4xKNb0KTjxTLvaQIklkOdJlZpfyNn_h5RQmGiJD0C.aXATs_xz5ITFcqDO5NY9YO5QjyjcpSem2F4lKtym0yKJ66Tpzh4DYz5u8dX_DLSbOel_aHTDI4qMNwK5Auv9cVuoBVxJ_L.OXSwbWZDJxeM3lJ6dh44QGFkh3wDGCKLoA2HgkHQnef3Nln9zPeIH3H_MwzL7saUr2mpWrl1nWx9Dr27ykn9vgb8h0_u21M5M6npqWATBHywSxlm7eYKf3BXj0e64UZZ0MrUQvtie8eKEqsTb_Byk2e0Qtx.qyDc_u2rjJ7ilYscmAKMiKsCLtbSsoOOLqPASpA_GIWyJINNp6dl1ErnICVIWA3F.1ztth4C8rkKpfeuwLba0T4KvRzBIJyAwE4fa3rtwHHEdeD5fF2YY7kON9DKunMSCDu9DsW3oZ0Sc1guIbpnXdHLLajVDaVzcP2mXPkWqyvz.J0LgJCZ_IHMaAemTAeqZwERPhrpNS1SVNkJsjW9mdnPCrSDbxa780MIFHJ_skuQYKqqs0NfFDiL9OPLpNn84kod1AJL0RJZe28daoejAozcrjJeR5ICMaOwyUKGqsRcsjNgYTX9Rvf0YzGZX5FUEKx4nbMvWtic58LS2_WxtcqUcSZvNg8izUTgmcXjyKfEBgBLGM6swYxtNlVm5TCq_WtQw87YAIxHqCoskx4K7eRJYJTjZ37EDXEMM7dEhaTFtjulkz5Mw3ddJLKmEcWq1FCLELp9zcSUJbNZ9ycknTyPSFtGnsEx8yB9d49dTDgQIryRafLHWjgFNPZp_G4hsubAdqSqYST4M9pp8yCqvdGCyzr09mz.ZHaVO20m1gtCH7BIYZEDSYMu7vlm3c.KWcpetFOFeP06qHgnlyOuRMozYHFpAnoxnh0ePZo1d7TGB6VSVkF3rJp_LVe1WyA.xjVHWul9vKX.Ed574SImelQ9Y72lwM0gYBNvo6_TTSfLX.gnWSq5afiPrYk_5MhgWcmbhvM8Fz8YJaviN5lNUFbqGMVPHmWMKd1eOokbloUd.se8lHI8NBaNv.3SvWwRHcmSEv8L.sVSIRxdL4hGujKdDdvx2S7T3AHZQeKi.T4LCmvUf0i4I7Zw_qYzrrni3tU6qbJvn4TRt3xs9GD5QqEsE7URh_zIdszTKpi_qIFAzj7PCIrPJDY83GO10.5ZU8szAgVxnNS2yHK_kMYALp5kbsvHYLKUs5cSlztigoGBdiqLU5SseZY0rsIjkIL6.nNSzlL5O43tXINz5_xss0_yP.Hsy2KJjN.KeRtPLBm.rm4wq7SdYJ5COhjrEIjE7PjYYEIrXAeZcnkSQejD6ptEv6Rys0uADpvNgXVgw4eu7LuPQonqBakL0UVgCGTPhf2OqPhoE5m2jPIiFu60WDL1K7nycfk0fPVOXcrOmRafYa3gAyfzi55Ip2byOsHArto0wZkxYFWSh1D2AHmlEj7ihYVp39NkC9SZsVKma8ihwuD1NxSxzl3qTnlhD233nw_9HvM_X2.Eaa85BceAqwk3yguBVLqva0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f82ec93c61d640';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\/9687415320?__cf_chl_rt_tk=ShY5.dKjmb0Ee90DNHScCv5zp7uRoFlvkrutmshhXBk-1739149441-1.0.1.1-H1t0j4QrZ3i.WY2UBIviC0KJyZls5WyV8tM7jJ8ZiZA" + 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