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-728523859256.mit-edu.top/post/9682410753

  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-728523859256.mit-edu.top",cType: 'managed',cRay: '90fbefcf6ce3081a',cH: 'Psw_hUIvcllMrHrEC9LE7x9KdR9Dw1D5I_2reHjUjDw-1739188805-1.2.1.1-PKf8E.uSvvhSPbZsNHrv.tmfYKjafctrpfdB1.XXmSJZsqL6ZjtZuTA9doT.Q8IE',cUPMDTk: "\/post\/9682410753?__cf_chl_tk=Rh9mPKDWC.6J9pVQriciYfmNA12.veUCesjaaKbTxxo-1739188805-1.0.1.1-SbaYiTFurKjj4avg_LmNsknZtRudot1CwaZmGYqj8sY",cFPWv: 'g',cITimeS: '1739188805',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9682410753?__cf_chl_f_tk=Rh9mPKDWC.6J9pVQriciYfmNA12.veUCesjaaKbTxxo-1739188805-1.0.1.1-SbaYiTFurKjj4avg_LmNsknZtRudot1CwaZmGYqj8sY",md: "1VPMZGbNoN9hrVmF6L7dPo.EaRLTIU4JS1YXZQ.78bE-1739188805-1.2.1.1-JZDcn5nA_OavHPgMf2PsCBQZqf9slp7vbTnIAnP2iY2HafwYGNmc.v6CRg848gUu81LAdsMBD1Ai6Jr1lEaZPWMptcopS1oZx2g.7CpmGZMmKJr4JY4nGq5kXBWTidHlKyETqiLJojNaYHAMLwtVAyqMGr1QguQ5aaxwg9oc2yOt18.r1yGU02sZ5FPzSkKjzZosYc7MIdCdz.qsTkBEdNBnTVl2Q2F3j6Rx_1swaHCCf82g7dVZ.3c97OyAtsJ1rgRRvnPPHs92sfY51rmGCIRiGIkdtDDnP5_tICmShjIiy7FdgCwbTMYseP6IeSF5tXZXL2Q1QAWntzIvp5xMGDG80Qgk.bQO_8UIr4JxPBXUyKmV5OUy4DlS_Y9AQHKR.0ffb5xhqg2NwnnIYPKtfp3wPE2cLXEirzS0gVZ78IqrA7R1jMpf3eTADHaKln8ATQ40z8IrFvqFFNzOr.ZsDYzgBg2aWWsKLEEl.NIwrCk_oRGrdUeHVDDb74wFVuJdproZ07Lgm0HrvJX_zFuWnpu5hwPk9L.SWWCVIE02lAd.l6hdJvYuYZ4EoVHUzPm2H02jYz8muvKO0LOHCKMkgGvjbM0pbA0V7Ny2Vrlq_5L.3j7jyeYtpFsSw42HzdVS0YT6JnpfJJDMuIPOcBl.27LXTGzPWY1_Uwgfs.zjAPpl3..omF6f_F7DW_evtPHD50k89oe13UiuPeL0Pz3vS8Ejw.JRL91WO8Lg4xWbngqC6ovTESYuQqccqOax6W3cVJbKnUb1fHuuTFR1OiSvEZ1XjyAXFvfGUedgUSCinmQ7L45Io_2B5SvnM3wj5cLEZDRSjlYJH5kM7wj4uykunJxM65vfgQfVbCj_BaKGyVl5j5YiFVC.E8Uuu0SPs5.XFStNO6.UcCeeLvi1PFJhm7TcHC8b9vTngL8ugC0I_SVpcd2vW2xipyArOThjCWSw1BNZm6pZI5F6CI_yQmhmQu7beUibbtpej6c9BoapGGXdLUvXCuFDT4jdkY_r.KZ3au0HHDv2f5r9nqLu64grSOQdZgXiIJcx2T.2S4mvcH_d8SzjgNlcEJZvoUlmJMmqn4Ih36h5_lZpNwgWTwtMP4s.s.aCkBsLK_itdbM9PABDliLOCV25FRI9Un1QVPlpxNJdUT7UHykNj7l.gSJEvAhODIfMGtcSxl79aoOxbqL3Sl.hdWLZqi9fYgnuueYDA1Lqbu01HGYn_55X14ZfPjNYwHD81JF4eAL.ciBAFWNzzkzsTO6bFz61kRBIWNzyqh.dPpFo6y15XyfoeqHVmaDCJMaueXmqzyXHQIyKw49y2_OXAURA6iTeEHLH7UwJVm3ezB5_8QYHazjgvdVepjHYAVw88geKAYKrs7GE0HhvuhOy_F3ywDEaGpUcSauFFRsp.BZgnFLbDOejrDlAXYUleuIGx7IyY.aOgE87JgNrHKEBm1ImAmRkAgwkPA8TqV7Z4GJz4OMV4sigiOec210S4rjpyxV8_SSVuu425VgGgIpTz3QFA0Ktti23Z9jZ4kCQEx93o8Rg6wRqrbSFJ2R3Jafm6RijKqq6CO0fNwKy8RVKNw12SdQchvJiPTDnSdfOm3rnH.c5K1dWvnOC3AMs.TvF2heXVZITJzVnUrfw9Ikm5CPO7u8D1DL89BZ_xxQ2KvtwvYjN.T9vgqFufWJ0usp7HF2m4Sxj3Xzea5eTSuK_bRB6ft75sITvfe4Q5xQeo2FS727AoRUT5p9uEOUpySPVxrPF1OXrQbYN7dbPdyPSqDRqyW9cBcjCxAhfSH5z9BjFTatCWwUEBYQwuO5agoJ7ZQqjkhBUa5yunY81r9lHzOAlD7Wyz8m29wO82PyP9Bl.4mBI9Uue.kS3nubRZ26XfsIMfjzFPL_a8GvQNO8SnJi7j9Aw4EmrfZlMNkACmEV_oSDcVh5LTNZ0uRXYKGrxNzwMPwJycUk3OPNFU7w08nDLXB_zvoJtUq4efaWSBMlq6Naim.N..l1wMO86C_Le0HzXa95Ns6RbUq3TaOuQ0cL1Xw97Lq92Iygkotf.FW4kZHwQBj5xhwuJGHMwXpzvTMz3Tj7Z3rHbBAY39zlJSVKrAbyBXMwGEFDUttlfLB_kZlcSnZJrLfluXkQ7V_1qZSE.SP9ZbxEXW1qg18PPuugKHbpoIVMxl6ESjCNb6cgoPXUQx0fuagWFgu46W3HmSivZue.Zvzc__2QmElq_TioG_w8FqeT0kyuV",mdrd: "8B7B4kfFwz.A.9ovh_dA.Dh54rsAa8eH_hwAZ.Zid1g-1739188805-1.2.1.1-OzEx1mLOsJlluMCa62PrEAhkF.hll1BGEipoB7c12iN60KEvya_fJ55DpIMEgmuycbWc_0zWDY7xsbG0eTxgzFplJzvI_PZJSMrisamSWAs2I4dXnRzH6ZYnXnunACIc8TWq9iKzM.X3qZlN0G6Cv2c3C6k3YpLgvYqhfDFn1FwG80JA0eprf1VeF7ceH98.LTeMRvad2yUf1vG1Euwm_uyoxXjabIfi36WFilgsuv1VIKzUCXmF8j8lEWVOSubBh2b.XTdTlWq6K.ciOprti7Wmi8Kf5pT_vwunIJva8i4yUgZkrabt7CfgL7C9KcIHQs8oS5hrG44a9Y8Ldxatdx1a3IdWqPkB2jvC00q5pvKef2hw_L0Lwzz5ujmfKwhLZ0IFZbJyMaesfFc5dxSIN7WDiB7Cjl3s_Brvz.h.BGJzOWrqvFntE2oT5CyuQdzY3jO4toWsfzQ5GEkQVSDF_P_HTEwOYAUDSyVQsyD_fjc_qIksbmbCPADvljPj5xHqsOCni77u79sn8RFPzVp37Cj0CRgEHT8Y70_X7_JBVOscyOMW8naIbxAXeMeIJqjG7g0QjQSJ2TmhAQGGhlovD5plAo66EmU29pgiARfI9Y8lwSjinsYECS70qvBbYOUHrxRX5VBIMm8.q4.BUrGIpfMySQF7k33B3bCeBvr8Mvg13AwX.ocaYu7.HoJNYymL_1qMCz5Q3LZ.lE0wSVI4q.YwcO8FVGVhzbXozUk0o2IUEyXxyZDMjNK9tFHCR6Xx6ETV66mnyDwVvEPP4XTTA3jIRBVmPJipt9b9ID7WoI9PiTbP7cBjxgMTKoyFfIEvxMZHPVHg2SVqm.hiT.t3uODeYFhET00vXcKFdLlh5jFPJaaiKDr1imIEwQRWNAlklkjHwY7rqVUBf9KTmZxIdzmYF1.fsL4BQ06qU8ISbMzHv2zrr1AcSU_CbEDKRzuJLHBLS65LWu4bM2B.ObhI.ILw0rYTr52ikr0r4uoSOstMjKJtcLzK9NwYbDM17pYQzTkQ4Vxmd.l_hBIq_fRkMz5IVW0jOZKaYfYNYYNzq67yjNpmQGg1.ZrslSv3IGgTjCOK9M03Wy2Df8KQQAS9aDW_wXgsfbsf95wwpQtLrpAQrXbGshlsgfQromR2BbG_qPpsl4QnoHCogd4lCmGvK3gZfVv3C1R6UlzIQyEyWQLxu29o4uzK27p0n6S6Bcp7HJuLKbm7eAG1cmvAcR7uA7oX2oHDiDd9zCNE4.sj6GDI6moaC4f4Se.VXWDIG8jHpSVpbbsc2erdBUpPRu6iNpRVR7ZRbTSmF4JhTwGCbyx4K9Aj3MhnLfXpow6ejKKMkfwxjXC4qxY2jK37fwXPaGgWM24LtAYKdHgQuvcRccH8GzfzUu.sX2xvWXJdW7sTtrR.LpeNZxeU11oqqoCsTWurUjOx1KV33GNb9IL4sgJfqHZI2e6XzLD4parl9ipU5aUz54niqaH._u3KprqjG6A6q1zL1hxHc8XQeqzZnbar2bUiffbb8Z2UpehF0Jw1zNVcDugMuTZpzF9.8NS6K.0AOTUpb9BvNYTI6KerjeWb3vwfOAic9tqSm0Q1dh8ghvrM9cTwWtkCKIk5pSmDxcWHxyBntKLt7jwNT26Yko2DIXfBRvGLKDPOV8VFNYurgQAKUQ6WLmrcsz4XWTNLDVmApPxX0za7_2899GE82IaLowKFuQJ7gwNqYbzLuyzf_lUTFh5S9.aen0_9CgbTQwMeIvE71kj6SAiJwExJqeaATLUtbXm6nkmyMTTpzgjAenyN6n8LaaofSPOHRdN9YXGv4Tz0CJNxiAAXRTktgVB5Op5UwOaGviYGa0e_TjHI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fbefcf6ce3081a';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\/9682410753?__cf_chl_rt_tk=Rh9mPKDWC.6J9pVQriciYfmNA12.veUCesjaaKbTxxo-1739188805-1.0.1.1-SbaYiTFurKjj4avg_LmNsknZtRudot1CwaZmGYqj8sY" + 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