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-aff1oggzi.mit-edu.top/post/3051627984

  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-aff1oggzi.mit-edu.top",cType: 'managed',cRay: '90f7b2219eb2061d',cH: '5jojNMrIg2RXNc8KdUDY7qmgsDCYilIrjXqwkcc1204-1739144335-1.2.1.1-nftuGef8yaxsaAPNh4tO95QeBtTb_1B.CeC2gxOh0wOq_ryPALvSw9xy9DYr8QQr',cUPMDTk: "\/post\/3051627984?__cf_chl_tk=Fp0MgCV9hXVBfWT6pMWc4Rs5a2MqYOcvrjbcDssQ530-1739144335-1.0.1.1-79OfNOSUDiBj4SEvuq5wZjH.y0fqkOzBLzO1jzeTbI8",cFPWv: 'g',cITimeS: '1739144335',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3051627984?__cf_chl_f_tk=Fp0MgCV9hXVBfWT6pMWc4Rs5a2MqYOcvrjbcDssQ530-1739144335-1.0.1.1-79OfNOSUDiBj4SEvuq5wZjH.y0fqkOzBLzO1jzeTbI8",md: "r94ZHPX_DVbOTi5._rYoSn7ChxV5ndnY7x2.znqH_ps-1739144335-1.2.1.1-AHmxB2RkHxDl6eM8o8vShFdYdYpfKAWSTDhjhKhG5nDC1oAE7.ADvoNawfgmkbJrzpoKAxVeoUTf7MH62ufkiMz..3TZi67_QiLpXnmj1LjK3Y_1GMNHSpkgfrZYxhyBPn9dhTxU.bGmZ2b9BvFHJsW.GpVE5sWJhm0JGG6dW3lMDtJ1SMC63hz2jo5kKRUZ5I4wNScCosR4S2Jg67B2hzpBwk8CNGjD1O1C2zemu.HKYqoUtiHxIvtN1RjnYCkqzfihy8MBKIy3MLgiIC7TzWjzBAUrpYd3OV5n3VTowGsOoCcJEoLdkfEbfbV8R2iQhpUiXVv3fJOomTm0ZmLheDBb._IAm87VTXO4UrHYh4jB6lnmPce.qDRBFPR_.HqA0UPTGZ9K077EXa9NFE03LwLQk2sdwaqlQi7sqzF1njM7qAhCwV1UB5oa_rM0Fd1lkJtPOq2.0L4mtJZf5wnC2iI7_6EPRQdFEbKDXnIYAokbKBFUn39HCmSiWfI7VIoYzIDQMPuQaO3lvRePtlm.JRDqe1THGJUX53WP0daWnmVjtjUYx64I1rhLlr1Wd4y7ZN2YY2jDCifhK8jd1YFxTTk2pxh2gJ.mLgVXf.JRjJCJc2rUlfBZWa3dlPSV0dsh8nU4gp6cnM6sogs73zGARaTzjd2f06H4y_n2MdkawevcF0gbBG4NxslKcVHcSLXgqmhOYpAjCtYgcOOqHWTEKlo9_UJNF_izoP4oIsrFe1pkW7MuXy4LG7abPsm6693K_dmoDJVzsvXDTa.ELxAExgY0qN1Qg8NLL776Xh1mDVHpYujfCJxke0ryFvCqtcKcQmdpofF7TeHZsextpV4NXqTL1Ma6T3SalUiMLX0baUp0qIPPp7k9OapDbNd8hBxI2.yrXTusg3u7EsqiV96Xtp0qo3HZmcC0I5Grxgvp8BlhlODQ5fnH2EmAYVIH0ChdIbJgzDGRzuTkaHBaB.1CTFlSbG11WhEHnHPlP978EErQgagKnBpkEUHFakBSAmGqcZH87JwgWBSKOLvh.aTDump1Ca6efU2o7FFxwh0iMJZEKwjmgpV244Jv4iILJBBU.tl0YnhWyqs08qzmgMylDYCyAyKH8EP.2_JadokLrHGe5qnGXDWn7d16JXgyb7fUjKYnT4pexLllGzfslBvuG0GJIqUuo.cswoOclAHwTcxbOg5ZLn9uhkR4ldSaqUebC_prnsgYMdtYVU30PQhw6QP3eSkHY3OMZAEq6NFJvD4teI4aPgDfajnR0Ipiqkrmafl7MbH_8NLcaMrmtM98Qh0L1HmiWEbpKbyRLQBYorPFlavE8epK365rKWLvyIGTzXRDOuZi9m0di7ejyoQcxlVpcJuSdV3NuWngn1vjC75np0SwEPgdb8PwivRRoxf_iKZ9K2TyWTiTkApp0gVa4W33pPqkDRSLTbL5jOPbCxDQL0vXw7mUPtb9ti1MoqgJ8Twm6w9Wfgv3pNwAZHb1t.rF9Ptl6Xan1EVbwvzafz4PaRc9TyUxUv9njWXsZWsmN1FLI_86upS.1ivK9lPKBv2RW7ULYlQkrtKILWD4GImzPJfWxUkYbfkFZSE7vP2o0bBUpKYvPkpBC2SVPDZrGvYcfSDtT4OT_6ScJmb9Kd2zKYAKdHNA1f3Gg4eAab_q7cTODp9K0CClSQ6wtYCrFQGGzx7ymuYgqlO_qxbK25nfGsx1VD5n1VJrJdb9sfMGIXHcfeZ7MbyVnm41_sqbe1hCTHOPernapH2gvA_1Y6sL7KDRer3YnFrZblluSyiZVchLbjQIpLJS52B4cOt6Rg0AviKa3rNahJbnihLXfFD_QCFVuMHm4thOuoG22vIr9YblS7j1NlOw6uHKOrICFg0R3TmrN5Ce8Q5JXjwOqEGQP7T5m65PEGUj1MkSfZmQd7F2IsSolERGO_YGL3OVp.FZT0Qto1dXwahQMlzHmLnuK3lohu1dGjVsJk7hjIBymnk8.mtIttve.a5fFMYQfwz8GbSRK9Ix0ncHOuSZEwEm4xjnAjOiNgSsloPJesdxw1D0Ej.AXyp1GnfphTJdIGsXQhwi4H9PujJa67a3QtQepPYAYThJTMmJ4Fr.L13dfU6iIJtdjO027.OciFfgzMa3M0eA6f._uFQF3RWSoogBrJHkZgIzISu9LuliMebPpPBL2FEY8wl_tad5V30l_dAL5CKn3h7KFGda01TUOqbNvP0O86aDIQd7m4NEfWih",mdrd: "jGRGetHyqDwUnmDwaJtHQBu_4WrUm0M_HUsMiICk1VE-1739144335-1.2.1.1-njn2ItCbc6v2WsITz7hVL9VwTdTKGfUR983UQaq2S6hTOTDTP5z4nBofYfasmiVs8wPjT8kOzLTlvp5WxIUBLjaMMOWZU349TQWbUbvIZJMRwAqOxpz5UVUFXgeVOYIvRx4Vj.J4s9w1DQzvfOpnpKDYuuXiSHcFMrdWZTvv39JuV3C022RimfbNrCKNdkXN_Sc8eudfJYAZhbgmIcnbcQDhuWMKPgumUf97fu.TYaRGdKNpliM02hBr8eYvoh7Tsok7cBDbibV04Wa6R.y8eEvcRt2GLW8t7dnCABySVpB6d3b5tpN2fTgbJt9n062rNj.prZIjda28V7B4iRur19KaUjqhuAcFTN4xefOJqncVoxLGZQrXAK54q3ZFH95XUGOH3z_FSVQjzAYS.19dQjZ67t3URZNW16usJeDjYnnMHUbCSK8WfLLbqyxAJ4mf2Anxe8ZFsaCuh8Wdjbyd.GW7SbZ9CuIF6R5JVJ6PxnYYkcUDRqpnG08fv8_jrRDZZ7zFB92rfCkvzW5.0SAeZHe90LSkY1wj7KUGxMezwRV0lLngP8cbQbFBWc6sNuZqfQpL872UEQ3HbLpKi3Ih9vHfTb0otbGoi7ULgsq7aX0hslT5HxZFkRGiwcFOEk6uc9mEtNZ_Zku.4SEQpgbjzKuTvjrtLxUzWVGjTh3VH1asyZ57KOk3Iy_8sOR01R2chSS6HSwxLJRsL_o5esVWPNXWC20ra6U24Ib_ZB7Sh7TNNuxm8lyIZnqqrSzKnMmuYb2HMsbQxi78JHiycmH1zDYe9_UIusixfdHf946htrvAM88Uw5Tl6PlUaqSDyaGyq7_oYcGjTOBK3OVSwqtHih7pbsNINIyh0ouv5j1mwtntID9z7pa4ISpPzbbxC_qtqtWTnJrKphovZ2L.W7n.B_krgHsFkjJLlebVODI0jXut3mvIVGgBFG6ElEMkix768ex0sZzDOOxIz6rxxrfykkG0GJuYd.JzFo_cPS5qeJOHEqjTJaMbAaUpgzK11ZfpYABayvzPMS4TvTSWh6Ndsg9W5tG0QrXqITmcTzU8TySm1mzTwXVtjlX6AcQATp_PkVSAHJmT4Jzss5BXkXqov0sLQAVx0ZVRdA8y2fNz6ZT48t0Aepxfc3YNyfORG.sw7JQR5WuTkussHQRQPn5tW2EmErN4dUTmYHRepUdFJBEFllHEueb7oN5zqk7UFEc01s0sVlUo2UubggVaH8fYXOP5cEcsnF4Uj_F2qDzOVyZ7mUiH24Ihbf_v_YTY7l6xyMn5IyJY_ZAQNrTBkQvVCnxZJ_O8vYqJGYiqIOXYrWMPay_7EwCEu8NRsjr7xIEViMzYXIJpTaMY0Dl8sYXv_wO9FBwhsWCLLi4iAGZnZ891pbEqkMrs.xDJtriaLGZ90bMCbtu_0PYHceNIl9.YcFCtfgFqIJ_kNb0MvDrW7JC1k.fQlPSVZV7gxsPeP75TngGSjL9qALrFKoqLg_8mePmESFayd4HLaTZaHg.vX74zwgYjOHrKPJD3JahPXaSzo7DZK_Op3Tc4xG41umtwh1KkfnOfGJMzxs19lyAsZXdCWipYsAluw7X4Vy78z0Xee7xIxGqUdbZC7_WwCuX2vsJa0JKqGqp.qOO3JtNI6aF37LhVcaThL9ZlXnw3UbOgY8OrJH4lMhCD4Ix7nqoZKWqw7r8zlt4c.aoM5toghVe41ohEur3dvKmb8QIqQXH17ac_ZT1MUmKaJ6SxC0mdSuXWxbBDOnjj.0z_6imlaOaxJRGJzp8Ydk9u20EndsIcXUYz2o0jCumVwQ0k45fOlA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7b2219eb2061d';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\/3051627984?__cf_chl_rt_tk=Fp0MgCV9hXVBfWT6pMWc4Rs5a2MqYOcvrjbcDssQ530-1739144335-1.0.1.1-79OfNOSUDiBj4SEvuq5wZjH.y0fqkOzBLzO1jzeTbI8" + 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