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-afflnh7ze.mit-edu.top/post/3817659420

  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-afflnh7ze.mit-edu.top",cType: 'managed',cRay: '90f36d2cecf0826e',cH: '2DLAIgdya5SmB6WofNmTTaEyZpYiyeLTV16MXwE2uMw-1739099568-1.2.1.1-SC948nDuTjZDgEIhvRknrVA0Bdcp4HPca8iwI0KmDsbK5uaNouNFtpxR6Qnu4sWR',cUPMDTk: "\/post\/3817659420?__cf_chl_tk=vDwGf2Dmcq7niEO7.LIOlkzx2Z23lj1eqOZcB6h1yJM-1739099568-1.0.1.1-_tW1GGXe8i91dFSqZqjSEYjwQzFRMXCRojoutMFRpEA",cFPWv: 'g',cITimeS: '1739099568',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3817659420?__cf_chl_f_tk=vDwGf2Dmcq7niEO7.LIOlkzx2Z23lj1eqOZcB6h1yJM-1739099568-1.0.1.1-_tW1GGXe8i91dFSqZqjSEYjwQzFRMXCRojoutMFRpEA",md: "p5H.lOhWYQUMQJaEwD8uNMBN2nxXQYghjKT7TDwI.SE-1739099568-1.2.1.1-ppOyp821PvtADihQ4sg3wNoDDxkWcaSdTw.SnzRG7egiNfQH_RwE7N5fmIUghDbHGpDXu7OAhYKo8QGTZJ6k5HmjTKjL37DwnttwOhYn8IeMwun_VM6pop_7AMt.2aZeDiC4ZMMvS.umGndsy3oJ3DO3OhNu2WZvSy2DtNgVyL8azEADMmfszRSVVuIFMBN9nkSblycyczL7ToVNalKbR4Locssx4GfO2OA65aWzhhrCrZDJEO8q0lCrjlvowLCCwLzRS6ZgzInPRRa8GvAqYRegiGDSvwXcDfb0uxs8w8j0ribKwAgI8pTdc8_Wt1bZiiVMYtx7StVsUK84Q3sfDvfEUKcUmwtRPlznMsUtHXl87LVVcA4AO0FpiRkSjwlfO6_QsBDCEZeaUKWXYNI.CvXBDANU4v6AQXeMRL9NqjdZYs8WvX27z6ijpyq6v7_H.rajfuoQgZvy7N7vmQOSuoUWkQpesa8JHBFUmTGlX4B6A0X5.knFFiJI8g7X0XLgWbYdAZPVbLa0oK5uAZ4d4dca5QLbM_YBbc8HRWvo29kWLkifm3c0vrQ.mDienRonTvd7Ee4in7nvzqn9DBzM1i3yzFZx0iN3UNy2oBJ4PAUzi.C.fAc1kjBGx21CGOIo.rFu83kp5_Pzztwan3635OJiKa6dheFuE18tYVvLsB4w8PMGVb1Tpqj6K5ZoMoH.IN4aJSuYO8LT0c6.TgRA7yVS0MFAx6EJ5RPED4EmbG133IlQpb1xAFfYUCCIxM6HZm23aCVeQMUUh0gC2YVkq75uOicQHDYYNyCU5qPjOyEVSTvgXpn4Jy2TWSgEkCUTlVqKQHXUvYfiIGk7_mG3zObfmpJPFQYqYORqyzp7tfY41eexoMBbkq5bjCiKcXSWuKtV7MyVEWlD56J3Lh0ELP34dztyS.2IAnRmBIAdftX69C6XEtWy67Gox.SuOajkvuw6vOhU4x2DK0.O2za7FbwLZ51Lje_k6ksHyKJzaAvaPPop9ddjvtRv5zxji5r0RCqO02mCCrN8JdbU4HdMYIJhVsyjmXnyrx7uBi72lEWipOAlJYjADN2OcmuY62A36FQK2Z750TdiyQoNiHY9TfyrPLcdr2ortiZF2Y_8_kKJ6WhLBItAIIx4Pv4mdp_gzWe1lVJh3xEHFR_AlpJydNZSq5.Fa.aY8SNtgQ8XQP3IOFMxkeldhFM6v7S8fUou3auxhJMpVRn6cadh7csGQZmBnFnqRg_gHhPiF9L8VooYAHMS2rLiP0LbdXqgmFIXRXmLClvZD6xzqdlih8Fd8n4ZoVTp2cDETw6xXYYagpU2TKKasWg9_.qTowzNKTNSEW8JtonGVkSTwauTBvNPlf97VYgz_IUjEa4jakKDix2nHOaf745I1tDI2YRki0d14TkyAd3CO_Pyriig1_yuRP1OsYqJvaCPvmUXJKnOPiNWSAHYvIXKbTwrcQ5i3qwTjqBx1H_lbZHWgVCsTZAzRZ956rtwoVE3o.Xjeu5oFxXBJLE7O1u0XkzCDoSZpPUi6vdU82X7X8pLqrDqGFMrViWdvQ5lGq17XY6jCRbZxb6_VT1x8o4i0iFZde6pAFO3y3uGtDx.0fXndqVpMV2AfGckKcJYActIrJiB6zZTgwJ3SXb3b.LKY3dg8t.eXXPZPNKDT_nCG2hVqjc2gQV_WPTLkIPn7WC8Y00AoEL_Shri79ARUpBZ7QmaU20UjM01T8N2RT8Zm5gbX18Eb1rc1jxpaZESbkvWRvyUzKZzon.3.9RWmTwPV6tybxLq6pdGXAoHk56bJflN3N.YcW064wdKCzExWNgYMQ1RLbKNDMKBJJcLqKkG_T5FDQOC6Obwl2jcwk9itTKoWd_C.D36JOq4Wid8LaRUYMwIPXlu1pCYtzMFFg2eBAj.exv0AkscDJMwmp1eoAgFtsJzKRNLJ10_mNSmP9Wm0EIKoJXOXoQphgPuI0_49RgQqVHfaRoCbtJ._EEmk230gQrAS5wdcSPzTDFCzzL4PmzZvAKqe7asXLVn8Iwfj3MBkIOspHY2dX6vs91Zb078su_rl6re9De7oDZBbyyZVnZ_vTee6SSoFw1YFbRrX_rm_WDNYgJ4lVXg3mD_QXrG44ZbSgFRUZMa5QecjdI0Oj2Fethc7_g8mcJH4SW0ceM6UYwnIjK7iZTA9Z6gamqebAYLIwaBzXLju_xZ_Uxs4bx505wzE7Pyu3uBQ7JMu6TVU5cB3WwP",mdrd: "MJlIGG99ccY5MFMck2VdeRZomIGjBapzR5VbbNio_aE-1739099568-1.2.1.1-OcrPreDrIXjCXzeUylsMEjwGbeRsuSQiPVZm.kL708AIif8ToSREEUxTv2uzoTp18ZuutRvGb7VlJk2Fqg053wxpoIwFgo.UewtXGkchoqGG.sbEkGTU_HTklQGYgb0Qo_w3Zk.Ich_wMn1d9CMD20Uq8o8b.pmzGcJvVbGKnd_oezJnpqJPy5ArWfEyvBNSXitoGJ0mx9AA1UNaYlRB1zzUELdIT3YQdX7mNfP_x2uR_bkWpx5mGDyYB4ehE2QMKH9wwK9VHRBZZuRPw1fJsIr2Dc2Tzd_zwyz9WkXPzg1cb7Ec9Nml_XnAupiwKMY7_aEySiOrQGfpTFxThZBePRhsbzMRNnizJQ9Zo7WC8baoHYNaJaS_LAORwwTEAwdYzpnibQbMrYRhMwZb4epWtsNLiav9L3rJnhv7grsIi4_waYDbLCekvdVApXFAFFV3nEhlMM885anvwRcQZYRmJ4XmcqFVdw5_zsXjYLSzZ_qVNgnKlJ8ScePzMNxhBvwqcnOsWc2.GyH5DHjmAHDz0A.YUMb6rCZgQymfl4URQh4hXrKl4gi.dciJAKOH03XSQqP3y9U7MVASOZf_3ljFTOUa_ydt7PSOVOWwz5yG4K5bTmN78kzEo_k.7zkPb8BPubst64QiaKtjHWUlyDEE0w9PGB1TnReNIqgYiealpZCyz2DBO2RnqNgvZrLy_EefirjgVv5zKHNb3OFROF9y4cM73YfylWtOuQE_rMmKXtQygWQyWOB4OCf5XaWbtYDy6DzPHnp1GFYUWZrIxIUN7P6biKRuvE5OSdA3PQqCQrOv9VuL3J7uPaa87E3EJ495_TCfI3jDZfYJtpYbIkMGH.1xPAPRqjHeWNdIgvcBIFolpcW5P5byD0DABsAuCXQnLVisORJabsiQDZaXFVAyuGPIiOZxEBQCc8Spv228OExhQVKoRx0rarwlJLX70NFNRWXoRk8NhyI3MhvPI9DPlfIt.RXbP7N_tcwnqvz6AWTd3b1hRMzOWjHqOzJoQmps61H3f.p6hFGROqTkk9yAR9.RpPWrs_71M99.bNrGoY8ab0NoMYGZww5akkn7WJlr2Y5M0uIGxE_Ue2a1a.WozZ1lt6foHOBDlxlbQnl1DFxKZZFW2olXix4HVvGB6WuUPOQOGhwrZjKaOsgRZyEtLu2ve1ZZIikmXLuphaFaWEXMwH8VWBFBZehc2S.wrJRjo6q4alNHyhAU42BD7U3O1a_SQIF2me75D5xiOQnRyO2xoe4IKFP47poJrJA7R0TMeCwfi180_SvYuHBiQHRtjyWsEfcwg_QXflV.0qRqWzWCOda.h8wm3NGtaI6ha1L3mGIQcuS4UrZTmtjcILGB085pD_0SUGntZ_03BrZXE2fP_NTy04BmqNeBxLUrvWCAN5QQshK3uOSF7cvw41A3KK.KHRr72rv.fmZTiDYpcFErutmGliYbSH2h_PpwFd2koERCgn6H99mz2OckGMddVWf5brEst4n76lWdCQsk3lkyaPpjXWzjVJRBn1zSxJC1caJ3P7VwyOfWQ4OmKFgoBzKvKaGRfS2qXXXyKazdLF84smI31JmuKJrIxoLyjayP4X_XUQnEBd3tptGMHv6ejWahhHscKBS_ke91y2QxuDHh9SOYAAeb7P1cA9BaDFpjjEHCYsNoFF9O87kBi88AlTIdL2AwZ9dboP7av_OqwX2K7ht6KBFTLOE3ljFr1P3AQlRZ19uXxnrlTdbE_.3Aq3g1mdCjKa_YWuPLJHbufQVDT_txay9mQH8jfkMHP3xmaaPgE._.VidvOVEt3Bj6W_6bQCj2h.x3EWGBmtW0_58"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36d2cecf0826e';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\/3817659420?__cf_chl_rt_tk=vDwGf2Dmcq7niEO7.LIOlkzx2Z23lj1eqOZcB6h1yJM-1739099568-1.0.1.1-_tW1GGXe8i91dFSqZqjSEYjwQzFRMXCRojoutMFRpEA" + 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