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-260149143732.mit-edu.top/post/1408752936

  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-260149143732.mit-edu.top",cType: 'managed',cRay: '90f66f68c8bcd6a4',cH: 'v9fs4AnOPQZXe_4OCjzeeempEsY6x9CrDbWl5zmrhtM-1739131116-1.2.1.1-ptLZTrxAc96x_zb9fgkNHAbDsQMi9Z.tRiNGIEhxO9or9vGmqz52SXRt0BHo1z3V',cUPMDTk: "\/post\/1408752936?__cf_chl_tk=ByDDLqZtHqja.Qd1Rsrp9KEz6NE6NGW0QwIa2CUPkfk-1739131116-1.0.1.1-Ivp1YvX77cQI6tcsgMf3I4x_doH7QF8rY7y6CrD.U9M",cFPWv: 'g',cITimeS: '1739131116',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1408752936?__cf_chl_f_tk=ByDDLqZtHqja.Qd1Rsrp9KEz6NE6NGW0QwIa2CUPkfk-1739131116-1.0.1.1-Ivp1YvX77cQI6tcsgMf3I4x_doH7QF8rY7y6CrD.U9M",md: "KZeiZsEuvZB5yX9KeC0pojBsEWdp.Xdl4YcY3wfHL74-1739131116-1.2.1.1-XtNpQWwZFd2PvoWUa3Ex0mJoweENKDY.bWUHTWU4Uqvtw3huOWYCXG1_UTVA0P9TKp0Cd23Vh0WFwqF75hqcK11YH.43rLGOpIy23czmnbjZ7jZ9KKd4MqSO59U.etBSQ3OD9HVCCtswyXpADNzsp_OE0gdxxmt4sO_dDUuJ6eY2rYvAMBgIwp_KqVBE7Eu72ZPsACeTkeKtwmm4SchEr8czNyXnqJOTyind43Ancm592d0kDHQ3qROF3ZLMT71k8cU4qqZXY8xNUnFjN7lPcCbH.6N9s2ylr4cz3iG7F8Pu87LskbfFUEgc0JxmR8U7kqtyxQre8J6t_rbnWPYap.7pkCE9C0.Gls8B9T2xY8ACoVtb2vUlyJcYC24VnKcRPFPV3P.gaI7ggqJydqdwiEr0nR0du_yrtKWYcxdUqxL3lRkAeQJX3bpWNCu05GMnjkXv8SLhoz9rNTvMrOR0YRHhtgTosIPsoGACJFKNXyHDnwATspbbV5YYVI8SvGLF8HAXKEY0gyKngdurT3_SVOdGytoeFbpoiJwtdS4OAas4s_EtCz0K2BWenWStMkwdmWYfd8H8mYqQu.XUeuWsaqxG2qTTV_mPZO8rQDLMGT8hexG9VQ.nyslbWuxetHiF22ubzpAwBvC26qHXjJMsUWURP64PalK5DSoriynMOPK0o.WCHrGaRMs9sNll0yWrx2Z58YUXsrulipEUqWLUte_f9sSBof.OIt0m6X2AmCG4OVLD9U2UyFd67gbCuKXR2veLQHa7Sx7oMjfZbnxLGOBsapVKoqKXdQqD1HquWpu1FA.I2vmRh8YVI8eYWGKLfKjGJD8RGrLwzRbySWUC6zwHFOYnl30G5ZPBTpJrIUv6.x_6gwrg3_EUrwUrq5yW25inkY8dJGqsVz8gZDYUFqRj90Tt5MHQCrUVoCZysF4isPwKlkKG4sss_mmsc7wc._gr.lxksCJ2iHmvJ6OEtwY2N.SvxvLdmePftWC3mtwhclZB3qgKtn7JjxW1lt5GUNTsTcbbfEfaGAC.JCSpugSWivwJQaxl3Ik25S4CQb_TCvRerrgV0KypjloNe22.ACAuQvFA3QACTFoza51DzfxYOzTx9WCoeqc3MUr6wJrxn6y5MdN5cp71J62RIdGXvdU3dohIRnYynOVGFA830024xEdaCh4wcgAiQnokIkHB6R5g1rXodVKBgeatw4osLyri16q_zGy8oFQxWp9_tdEo4eIj6k1XgI2DHZYDdR3JsPtg_Z9ADkHt1R5P81zjE3XCXMErsHYXhLI2hWvezRBhInODkaA5vT3qqIYR7G.m6Vyb43LAihAqY180QFpCyfNjuyLd6RXH_eajYXeGegHWRaNkNvye.cHL7Yoy8FCVbtvzhZQFfMbTNYtFzYY3INNQelNwVytDbq_n9DgaPL4AKJnZDajL7s8VBPM4xxaL8RF1sjukPX8qFlvbYSLFmjf2Z0.Skm_RwioM9dHXN7xxTfj5DJvZGnNAAYpKz9wiMxbbWvvnzhKeO8RyL433T9bz_Rx1ko9OVX8ZRVHLaK3aHlayDFP4OAXpoh9LuAwdhGOHoobVb.W1zjgB5UYnh.z8CHQ93vF7t8Q7Nf1hV4d22eyqjsaXovGyY52C44PiLkaaEVADUsEDTKJ2VctvVomQRo2a4KKrgEFYgUsNfxuMm.RfCljKqq3G6ym4x4n0igyCwwsiNV38Zseor7rhfT02EaDw8oh_sEa_uzcW7JwLlwAFcHESCR8Z0aC4lPFjMwANHIRUSPidEKdMj5zX_GSWsvFzTaKtuAQracMerE8t51DFpXcJyCwrXv38WJimp6FIlUpUFQaKqSgRWpqGxpvgw1IlOL53SYNfkYwDni6JkRD5Uc4g8EcTwVZGkItg2kx6XsCfZe23WaujpRiZOgkmaAE86eF79Y0X7zQ66ArFc8dGvZt.lkPdpVpQjp2kh.oH7QbIqq6uIzYolTRQZ4GOLc5w.K1fRmoIAhelsP6Oy1pkVSwtZve3_XXhRcpLJ_CYcgYO8p.7cozuX0ONPTEA_O1zsHJJmu4pSbcxE1TKETCuzIqV9TQ.YMdlhIAVU_KfHdpW6UPVE2Eu9tgIWhlc8XAu4AR9g_LGHf5VnVH3IATK8fgIyPtjEB4Qgg6pYKnJyQzYRMp7vJUH91wrnvyVuzf7Mkx5E277Z.1aLWZKCs6QSipVZZd9D6jG9E6rElDMsLs3oHWN25axuQXz",mdrd: "TTLBjXqqtzQOT6V4DcOiXkmPIqe9_MIhDwTd7d4xLa0-1739131116-1.2.1.1-fAqdGKKW154gDrjke8UGInmk7Xxv5hcbzIfzTNjU3ZXSxfgi.KQf1C9RisKBfB8QkpkTHHttLOzf.PO2S8213epCyXMFiCnMTh8dPGrS8GFgl6Ur5pRogyBKTINoPM72ei0_hlysN_D.eO5h_xHwa9gopk01oqYsKysSPvCXXrIDZ4b2BbWcA6YMJ0tG0aJA1OgEC7zL3fn_OXjk.xDCYH94MeAZfn04qHHR0Opgv9MtRDj3My9B0QHldwkewbSCvJTqjVQOnlDsweaxdTOnqUsnNiHQ9QJ5rkuZ301pt4rScLSDFZUelw0IhxQutAhRGwunXJybvGczpQwDIf3KGAogA3X5u1CtfoX_KOYffNhAUMdgyD0d1eEDcW0H5vsjDnymDw5rTS.l_P0jG5eYWS1d716ozSaudEjTIYG9BfUx1SonqqKi8NLqEu0JSkJXmtELW3W9_Fi9hEHvFm9KozoJv0jtiWRiK6TbYLSB6Rt6fgliQCzEiFdO59LD8294gXO1fGOcdvJ27I8mrtxEFn_DNWpA0E6WrRH0mjBvgg2Gp5y3PdZQEaxkE7r__wvUARen8qDnsk88JRbnr59q9U1yUQBXeLeqHtpj8zVRtkXdMYJAw3SHJ7tPaQ2psbSt9qcQqlITmzMIAFvawvEb_Zk3Rd5.rqFH183_3qcJ6d4TwhPGHZ30iH1ZQcmdQfaeD.HcTzJ.Dw2ZXGGE7c4z05HIsBWgNekAcOLwtezYcV_PqH9e8Ff6pYa4xwBrFQzVbD9HqtIuw_QBYUxjIKUMiy9Y89OXIyW7VnOFUwZii3GarS7CgbEE4SL0OiUz._CFviZuUMzjkVJasoF0IXpAGu6uyTC1sJG6GbUxAnUs9ukSZ47ETXvMuviIDGdry5WaBxLxMDavQSBZ47hv_MS.2RaAPxrOX1mvOQP5qyjGVM6YKRw7ge58N.NG9vUpad0wSJrrSCTQZTYOnkwGJkBMT4EXWH9CDAWdnQbvFH6TXeSKBgB9W8mnUfaA2_Wag5waLYdVIsmdss1xbeLxzXlMbNItqB4D7h4WuVu3.zZ2RM1stfEzfdQApE2DstGtR0z_K3h1uJMxsPRZT.3RMGxtq6TBE0a7Ks1P9UCCOVvkypMey6xEz9I2DVxuBbd241eoLFx2t_92ZZsD4BZ50jS0usieUKPOMPkSIAxDaVIHv5BrJSCaMEfMdC4lAiMUEuAmUuSQuicVc0CzN5.CbDjH4aHfckn61binNLGb_zExgmKNUAKtZdzzZlTEDU5Wen9iclY4y3AkZEdU7H.LUqPEchn0EtJvDOsUvYxDx2Gz.B0WvzTMDEXGv9VsdKE.wIP0782LYPD.2l0yZBUuMzxrF0FQhkWRwlxUsUYX7Zc54EYkxhqALEUVQYkgkLB_f0sc25H9r9nys4IxbfZ.W4QAwrGTFmTSZmkb_grhFRgU4MrPuJQNw18ZI1YCJqVF1LoNqZPw0WmphWyP9Tv6bt1sbooJtyXfSfVSEIGuop_Fi8TW_7DrAK2KM3ZiGqVqYN3I.pOAYr0p_9c0T_7R1iUnvHVmAR1qzJU9E7lZw8SVyK.CFK2N12StN1v1YYvQlnu8rgZEUUnTjWBEIWKdTGysfwlmQynfQkffmMkHT9NTnZypxagecrWG8Yh714igEjDzFM05qbuH65lu4UAC7HpsasVZG8VkYHY3qWp_U_gUhbGp1lXwwO4VCTQSWwXBkIgPmdV2JqcVK81j4irXOCOixlxi7ud5MFcCc3ek0_pRBvI1yolitToaMKRcoVm2XmmG0oCP1V7xKhzjKM4yJHAKymWGwjtRII.uO1JvGTokpfotTWhdbhQHbt74u0PoJ4d3"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f66f68c8bcd6a4';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\/1408752936?__cf_chl_rt_tk=ByDDLqZtHqja.Qd1Rsrp9KEz6NE6NGW0QwIa2CUPkfk-1739131116-1.0.1.1-Ivp1YvX77cQI6tcsgMf3I4x_doH7QF8rY7y6CrD.U9M" + 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