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-563767013884.mit-edu.top/post/1924603587

  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-563767013884.mit-edu.top",cType: 'managed',cRay: '9110bd60cf4d2421',cH: 'Ul3f4gpFUHbbsjpHEvupku4pyPSbkne9A7irpi545MI-1739406940-1.2.1.1-O5YzcWbei.c8SRX3BwnNbULRvlg3JxzzOww57..fsBywX0UiB__xu6dfw2bR.AA8',cUPMDTk: "\/post\/1924603587?__cf_chl_tk=11FF38NA7SJQePfEa9toXfMhZkOkcHAqCZ8EGoxhsBU-1739406940-1.0.1.1-zSeko_5VzZCZGhel7ZgrM5QIcQVc4S1kdHWzBh7dHX8",cFPWv: 'b',cITimeS: '1739406940',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1924603587?__cf_chl_f_tk=11FF38NA7SJQePfEa9toXfMhZkOkcHAqCZ8EGoxhsBU-1739406940-1.0.1.1-zSeko_5VzZCZGhel7ZgrM5QIcQVc4S1kdHWzBh7dHX8",md: "jelEfXOtQeReEbFDLSfvTW7OQ0sTtNxz.lxD.2X0xJs-1739406940-1.2.1.1-r.XkQPgWAYAfjlcowSEJVaQD0KM7yYZD5l0eOlyGRbAzLvo7exkxPgpYfoxia4luyG0HiBJS1sy.lIrbwrwKudDb5N7Kb.UTce8cVeLRfDIx.LlzzYgs7r7iqcm6cSxhM4EazBpVUHNGmeCqzLe1Oz0qsCtdpuRtMob6wj1UAI08VcMlNBgDgWRXD8EfpBj9lVAdUyJLCLbbMTXPXbLkF3E8Fzq3hIfMBzoGjFQ0u.wajyF64Kd75klQp5QB8YDRk9V.LoXaJ8W7lv_dtn0lx5vEZLW0Qe2_TY_OhzNYMoSVGUyEKX8aFQqZg3tjnYnR8kUJdDRLejvQ6pZQBD.nJBORyrz1wHQ2QDegbUpLKyfgoEB_ewnS.YOzXXAanQEGDX3Evre0C8LewN9SaeHRoDwF4R7Q4xrJqtua8YPM_FaDkLNXGP0l4fEh2ZfedDGyCAfwWcHscFTE3ou9OFFc57dnfA1iTAEd13gX.8Syc.7JCVcV.keWiF.XcDUstimtyskXcRxx8DRc2GD9PXNGfMs27I5ixCv61VCrjPux7m9SQvfZxZw8rAmsd0_INvXPhkU8bEFnJo8sWmXM0JqaQSudY8dZQUbrf6eWwymEUqr.RKhRlTYraQMr8pfTCDKTJCoBmrxX8HDvBvc.9JyWj6ylfu16R2vKBys8_7s29oXlda9Cf6U8TmgnL8Bk5p9ZcJKVZIXpXOiuXeUSD6Q_sns.HsL8cJIOINmHsOpexkAR4yvQ1jb2UpOIQvzR5qV2JCveI4OICfYGAkKFlrOlC2QPRWJks6r3CbwE2nglPmMfaCAyDMtBOmMcKhDpy1SB.fVdgqAzgTW6b6WEFi3qtYGijgBsih1SIKpKvHURAdC9ttUAac3YdQC0iodv4oFzZD40kZzUOH5cunRP5FSpzvW5qzo_EWZBsZ2eVZyzB6AitVkyFnR.r5xMvKofPUf2fl9W1oLFQ0QieuJ58Z_nhrgDN3N5aRMYLSXXucS4mjUMCGG5Z4DwRBRdwllIdSEhVVPtDhtLXkhFGjUsxXrShe8hSgqcTzgf1orA9G6rm4_vdYl7Z1s4f2K87gt9RSiA0Js2v4vqB6jpdxTfNDTDp2e95S3OrSLRhoOJteWlaxQ4CFRsgQZjYVSMxQNBP5SGgGFfQgN1hQaSM0NdzvuNIQlgAGBOnU3XNDEF682G.F._fAPOjL6owNt8_YsPBAg8oqZenW0JaXI_iWSAnhkHXbSuoKEzs0OsYOsknyvOlUIo8MWBprQfNNS0OCZjYkVKY21WqW3nRj9McaismizM6qMVcjfjjYOsnpQCR97aoE2nIjh4f5chpUW2a4JorxsLchT6BpcUvm3dBdhKrz7MuFkM0SD2PHG9vdHapn5MRQG0LfB4P3UhZ5gGp.IXl0wECJFicxlXeKVV8.PuvzJhpk0D5_0JKi5AAmDVUdIx9cSHrBQL7vOA9Kuue6Ebz0JXmx4GcKzrc3TRTCvSuKrdnNc3FECoAckVPOcQrI8oTGHY.wpbEEaVZ2pzIoVA0_FJMBGoks88yeoTtwLtqbqdWn534zVf9oghtYan5zg0IdaZ_0bY3r_AMN.MWFuuPx7ZAr8lnRCc9mnRmT7gAmmhTVUjFLRRBFqJnvNEshgzCfFCieAyazOLOBQFwnwLoQgDbFl4WHB2ocSzau0P2Qdw8SHjVmrBNKabSZatuzOzU.CrKrlTu8QAQy62clMAkEnF46c3I5SKo4UrqmA0puxiA7sKQwIBVG7qY.toPxM0VJfezwbKfTiVURsxrKaKDg56lsgtjAWc6hZj_yxiYzx5Fo.zfvnfDV6pYjXFJNkUXuQVH1RHtUIpTJ55YzpZW2sKHcGcC2GrvGHxjw8Wwok7VbdoUNNhsxhW0BGj4GaOGSB8oX3eAhBhqxnOYtWZLCM5N46POqXXpk_5Gawx6xvrddGMg.ROVjuIJ_0bb3Bn7MX1VL0S_Rc1TOa9Hur1JXWiLfVVbh_kHTt4X8MxcwJ1dAnYDY5fa1Vq0W4ZVaOZMAQOxM75G_vJRlpT_wcTXSJI0ZguSGa41f3ANo9bV43CdtTxBqZuwqLvGNODSf_yyWaiZ0V.QS4Yx58rWdmvYsyOsjVtZZ8ZTDdk8jKUvAZedxp8ip6XDkehjzWWMXonFbfGLrbf.5ozI6ATw5NTUQJnVVFLUgs8fadF8XSjkZRPrERirgBSZeFrZEvBDGdoEkWuh5eILeFrzsJ6Aiyx71bI",mdrd: "zqP7GHUo7Zb.7RyhHHVEmm2pa3ovqj0L8AwVLjr7s5U-1739406940-1.2.1.1-d9zG5DDfBJfLKpe_cBCbZR2sxK.L8pWaAM_c1cRXbqKHoeflQkIbX7u2j3c5ubPFVbhwr3SXwzI7mtBlPRc5jViK4CwthLkJUbb.xgRT.9Jerp.jl3PjBtGbhuTtDpT6iQ2FUZMmmU._bBLYFGUrB6RM5Bx2u0YtLRtPdMBalGVavBKdULImpRf0jTSDID6rez12pcqegT.oR2Y6Rhk2W48Xkj1C36wHAnVaYNcNx5Q8o7kJwPJ_jWlthvwkapEixQ4MJOyUSAdRZyz8VQfxGHlTMgu6glqB8.SkaGrEE1.EI7YJkAUY5A8vjRjLW7ny19DCZa2ZmToDFpauburABS3oVgWNvSz.jg0b3VkZOumioNCqwEatkiqrViWmLz5a4Ry2P5sRZ_l5Q8cDFh4MiDLctdvjJlAiIQZtCfW1M6anYOn5n3hMYm6BIx8aOMi48Vaol6YskVdAe4SbU11BEvULIj0sV1rmSdMrluDGzfIU9umBiSviVJGG8D0hGgB0QxYUAw_SvfZgDYoBbz2KB6NGuXfXiUI.eA2BOgYG.AGQ9nYibS1.2P8Tf86e5fzQBJ.qM42E9DSLJ43KPGxJjxkMH0WlnAeEkYd_77mWl1iEdtWh05piJU1dyXXlXrQauK9OmxZ116lGbVCyvxdcK7yaMMmMePtXGU72BuDRHxYhQcVXrCQxjr4f3xqWLIuwjw17txA7ldt2jrV3wxJiG4WqUfd2Kk5w7zxwDtq_MSGZBpVLk7LPbkZI5gRjy.HJEq1U1B_9yzuJRfg1wn5J3STkL1KkLC6dsRIcwtjt7N1fIPbda2G3orm3YuQllq0VhIixChvSi_GruMoK6nq0H7dtkP2hz_JVOgCCPsvjnX99vIL.N8BZPDr.3zTDvOTooWh8Z1udoeTOibGm2gGwsFsEuRynQpd3xYF0KQ.EPw8V2OdX1XRcJOw2qcreCxupZQ0kAsEqVwOKDSqLqX_96R1Cv2JVFhGV7Q2Yi_dkJXzdt3MyPLa0j9gx5Y8yyZDVIL39D2ygfU.PmwNjLocNEwM0_mUqQu5QBCNwk0BqFIaPGE9SqIErxsePchMsiaCpbxOCKZqf9i2uSwbVwLm0o43BmcLSHmrt_xHj2ZcRvJXT6WDfO0hU8bMdLS.dNUskuDqCn8Jf4LYi91hhQ5PcIhrTNi8p80EP7q5FtN.SvpdOIKsuCXeUSkIYkxx9Eg8RCxy3JqjyuIvu4ymioHa13M1V9FvnoavKK2daF9MCuvktSUHm_0p1Fm5_C.MzUGZcCejjzHLVNB4rg8W7z.qaRm3Tmyw6o9kww3_crbKqBpqDj7iUDWhp27vn1FEUysEAv95JN776Nfv8Qz._QMtykIDqH6Q5_mOX49boIygeKtXmzkxviRnMjky3OXwWo6tQkz7nJiKqKKf1HWb7pD80DxiDJWmTBzo1gsfELnUYwkPbaOKOgnlGpwmpupIyviKOtWNkAQIYZ3hCBzbodz2QS8XNDX8FdYRrkcB0n7GM3Nw4hwwogRgklARixJzDuTt1h.QsGm7yBOaCWkLnjjEY.inQ3T4Gp4uRPMrKPcpZy7q1ghZcqOoLFMdw6I.qpATRYotBAOyHsfNWml7ljfMqQL.7SOMLtM4rLb.eZAtzDaffLB2VoNgUdmSkqgUTyM45ooPLOO8yDrMb1yTE_Jhve0aqckEEpt9gJbKYtaugmN42Db0NURX49_JbDgzMVybbYOgtF8HvsJAK8VJIDteR3iENn.lWONbkzQMzTf.JA1YCeuxmn6oP7LNO0dx6tuZPOiwmOIg6sqMimaXwwo09SQTtJj6kQqxfThxnqvOE9.0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110bd60cf4d2421';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\/1924603587?__cf_chl_rt_tk=11FF38NA7SJQePfEa9toXfMhZkOkcHAqCZ8EGoxhsBU-1739406940-1.0.1.1-zSeko_5VzZCZGhel7ZgrM5QIcQVc4S1kdHWzBh7dHX8" + 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