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-558831439281.mit-edu.top/post/3981065472

  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-558831439281.mit-edu.top",cType: 'managed',cRay: '90fb0d48bd8dd64b',cH: 'nxr5Lu6DD7Eu877Rwo8D5YTNKcP3pfX7rOMxI72q5Dc-1739179526-1.2.1.1-o7U19ou9SF0_JI_DceaP6zH.oAygBqwSQqzg1yMSVH3s_ScqB87_g1Ragl86ZW9D',cUPMDTk: "\/post\/3981065472?__cf_chl_tk=kdcyafidWDDW36C9D4Ws1oDnyejUIORzcd01DTMbEbM-1739179526-1.0.1.1-19imSloKhrfI9P0fHe8YPMnAgDP3ync8lhpNzUoSc34",cFPWv: 'g',cITimeS: '1739179526',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3981065472?__cf_chl_f_tk=kdcyafidWDDW36C9D4Ws1oDnyejUIORzcd01DTMbEbM-1739179526-1.0.1.1-19imSloKhrfI9P0fHe8YPMnAgDP3ync8lhpNzUoSc34",md: "1jH6PncPsc33cEhT_4b5M3qqpTf6ym3aMgrlIndXT20-1739179526-1.2.1.1-5bdB9KmMUYJjg4wICtKqYlUpwlKn1QucXjckE0IefTIk_kA8.pooHZ012HTXwtDXv.CIXdw.jbYpuA4NGwtALetxUfY1ZBoEbYNfuL7fGBWwC.0KoNSrEjXoxEAbPGWPNdtLHwfpL58FVinxaEus4A1kTH4ADj1URzVkiE6clKASc5T67ZQzVsrjx3lwIOe8bElJyMJbq6gOD_CwDrBZWw6p6.T791dB_fi3h3ff_Td.rd3jfPAmj9eyajI8T.lHiJ3.66meGXK3enDtOxTQcK3W58WW3rYnf8fnVKilyRi7YnBZydsb2xX2tG7nqFlY58HFGPEHLePIx.VmzhVoRnqPidOY4SbGIZex3D5Yr2gU9yulAgeqcTQ0I4t9XH8OeaGhHUNieajox4fK3b1TaK3Jsh9xs1DqJuZkHm86c4LfaoUrpUa53Y5BVgxY1dLzeEHhaCt3e9inUHUU4iDFu3fTHXGBYqWt4h6d7wXNRw8Z51qhuNB4JE3.tfHb5_ACdvotKYrtZSRscLggYtgLc6kknkFLOjI8th6jSzuh0pY82Joo_GVp0iaeaM6eRrZ5dKf_.REHJixkn3a_lN9c77GiBOlaQzHAM4lXhs2W4h0MdfdQ.HpeEF5pwB7Mf1uizkbbb_CcE_5bCt2_YuW0GkWWv2oeUrAEGyiNcgxuINXMEl0iS39O2DgKt1z8EiR1DBbewteRX6_Ai0yZyF4HqjH7zq2sh2XdwCksHEfO9oqENYYrxflzbOs3sl4_yFKWQqiViVu3tklbDHjjSogxEqee8hCbrQGk9AnMTrrV3w_gWFFisGU.VU_cUtIFvMkX5ZNjprqNqnx0P4OvVTMdl4Xb5D7eWTaU4nmsTzyoLa_9LWkUy1dG4X5EIftwMDsKVaNnaoP_joVD_1vSpwi6XikBfuNQTFJSF6x.Fi1Dez91SBwkMMOzuI3_1KVtJzdMtwG8qmLHTrpstEiqG1mxe2DWb4gICXncwqldWwqz2Zwz0Sp7Wh0JRFv7CeB.kR4pjf9Zs.eik4wnme6Kmdg66fd13OH_QYnSHnN3_mPkmAawjUapvO28tu2YMxG7LF7JHmpEOB62CGHhhS3K7nae5e35Cy07bhxdXvhd7jIyW1B02QGc7z3u39hvksc4Y1o5aFCxbLGHaEGkYeuGRBO037dH8Kz_TRRIm.Yk25puW0wVyooaAsPVcdAdUdGxqG0_Pjr9zGEAZ6sdjJjACp4vjPlIfwFL5dDQGeM3w8QfEg3c.9r8fx5xAEXYZvz5Vv2K9agwW7S7MGyKvZDvRx7MxBTxEw6MjE.YTMpgz9K7QlswuaXbzD65KtApjtxZ5d1HKy6aTdXrEWafj2HOjclLQPyW5xj1_05ZkTKN8JWBJXtp.k13dEVtu5u2.DNUSe49spt28OXrhQHjNiuNT1Xpjq8hgPPIzs7JGl6E_J27CT_K03sRHx5JBZr8ZOEr4qSNFO4j8pCOamIJZqEExLx7iKGSWcchS81yi2vJfp8oRo_2MovxphqoyYdQESdBfjs2pLG88Xd8gvizv4qGQbPG3Ve338ALcKDeB0wu.NdjH7DIQNG8KRj2PE_MTGbnK4tbfo8POVU_g4lihlgYen.7T6fgYZlFtRW09tqX8QIgKkpmdtexQX2CBdyv0.KDElIfMEGy8KeL7_.nYnuP6uCm6OJHRTkBV.T33om3yWtOC7qxluslm4tvgGLdUpeO2ID2WLddoiQJ9EpsTY4A8L91RmPAMq0A6_V2WyPtVEhhD6XuDukRrSKj7VVcV0fW2KB60DW0XQcrLnvOHLuuH6cQN6xgnzeAlNL0Z0rvgBOkQL5bdS.XrdjCK71C8908n6I.zs_FBV.qxZd1fdjZR4Upoc8wsadgRkO9Io.G7SSvhzayzBuODOX7mN0yUjhrODPAu.ONyiNLvw8AoJPklCVnFM5o8AHG88c.JhR4AwR67gl31PujA2g.hm_wazK3g8pxuVX3WshnA7xUZ7y82zkVAB5wE.Ih3xlO97Xh6T6RWUtqt0.CK9F39E7HwpjY9dYR3v0Lyg18jQBFQJq.pEw3lAqhgMyDEcWlZEapQlbK.e_lM2sIHh7tsjW1sSVQJBruSwvEzo99Iv89fkfBXSeNTwd_DdgbHVT6wrnt8NGqXXBBUcjRFbp1b7w5Unisnj2.rLz1GZN01ZJeG53wrUfDFsLZSlEEDtNku3gbtPRRus.QkD_brkFJr.KX29WN51fb",mdrd: "Hg2pKhpPZDGetckYFaAt9C4By.7BQ2vpy.bQr0DY2fE-1739179526-1.2.1.1-CQeHYSBWnXGHVPbH9DXPpTviz7Tsta3h9VJi20QBMH70eaZmxLa35Vn9tvFZObjtoWg7pDM9_waJPpUUgYeoRh4uwZy2ednyA1WdimPnjdh6l2Eh2tIPVtLSp8jmoydtUongPL2NoChgBDTMtsMdR5EqJMzQMEbApBOTOYDxTexorCsIJ87qExR4SpDqOLf1ntyvOGIgXg2bj8YngYnQo_NZLxceBXiAiOlQ7BihAFg1eO4ZuK.D54z70JWEwgKIlon.ln35dhRk7kLODsknoCdaFYsh5SbUtNbd8_UmMDfvV510R6qmeQ9rckXOgWsbRkkD73ar3fJS6djoN045R5kM_DQEpaFO64n.J4mEfzRpNhu4ezN4Yv7l9yT6OoUaZvfNZ8gd254hj1ijcOYt.NTrZFHJhQiWdxHOIfPf5UeYVJVO69nahEv16Ht0G07Q_0RQQviAvdOfBGfptNfGFZoltItUQ2Nn1IZa_IGZ1o5XOhL8cDkMFqL77BEw_o15kPHwFdqsYrhRsXKu_wv4JzsSwdE5kbFpLJ6ieL39sbJicMsyfkR_NpdeEnTrNv_J58GRKj3iclL.kFYExukfodXmvMvhzKAVP9KDnm.LGqjDEZirLpFBo6vWYjndmGC37xXpKt6rNO7U4UCiTKUGDA91pdEbm0lZGi8BkhaaGuAsnqy7TXYas6cJOEurB6BRAmeA9TSYh4XgU.xzZ9DtHD4lCRHvagJhciK8137qrHqhWvBC.6OunKwThs58Cgzh1pLklgtkElIGEWUFnDEdM91VxErlixzv0cVWIE4bpAUMHvQS_4Cknf8MoMb8VsR4Dtpqr9R2CVISk4Ug5qMaDd5Gmx90DTY0FH7IhQ6H2Zdk.W1Bi3.zTy5a04o2K.g5o4Xs2aaJnA7bRUu9Pmh3SYEgOlEn.reJUPzkQIzYE8IMyA_sixZ.y83JoTjvF6p0v0guJTFpWerFX_CckCxFen9Wsb3D0hHyS6dXEubNLrm9oiVb.xpN5kxxQnz5BEaNzx_uSkgtaLfNlHmdVdnmO5Izg8ImoI2NDFQAKyCJxL8ppPBpXXKWduFHGhKZVoE2VfotJo5wBojWYQxvi.Eq3oyqjhxNS8r.glwQEHK7yLMxgsI0trSY8gBsjcb2QXfZWPGPNJTTQVUW2w71uS0LD2n.scWlhYcBpyk8PB_ciAgVj2hCSwlYS9HTRSwovIzEqwrlrfwCczoW7SJAkZ9p9kfuCoG8QaT4OSHZE1fuPQ0TJiH7ZEXQcy4oN7e9SFJ.QykPhLRGwKyc00uTD0VvRUWERVY_2IAgY5ooVyjyP4aWNJaw4ohaFB8rI.Ed9hQKGZ6hgwJg.DaXjIcm6j8Q7cJGf9XPnW.vUpktDFLGccXvl52_LrIJxUnED_Z4FIRGfsyHzwL8Rz98mnGxHPyHMkj2S9g0S2IANeU5KBbPq._AD.0P_6AR6ybla1ZE4QM0vQjCHP5aYEg9h9t28GEVrdH5Z5V8MEYqVYYlMjHzwiumXpRhWqS8TC1IryffzRBnc10ICrRhe.3Qz4am1.yjuDi9DhmEVezwZfg3Ez1sAhjQrenoEv1fmjkJu0RYWssUUt8iVc6rMwm4k62cEknRh20iiQSfRKpGlTg9JYe_yqNey2Jqwl2lbtjLBwqVEa4.SFUB5_oi0ZNJzngeISHatfg.XRb3jOwG3wgRkZZrKmy7pce.kQxo2jsL1.0vtO17HW6NDw62IyhFNRG4gbs9eNYrp0zvHhHtZH4phJWxtu7oOa0m3UaKB0nqXQ5uWwjMKN5Wl6xHJZvjgTl.yPq0JPDlYX.nzEk8CCK4EH.Wjos"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb0d48bd8dd64b';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\/3981065472?__cf_chl_rt_tk=kdcyafidWDDW36C9D4Ws1oDnyejUIORzcd01DTMbEbM-1739179526-1.0.1.1-19imSloKhrfI9P0fHe8YPMnAgDP3ync8lhpNzUoSc34" + 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