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-aff0qyd0j.mit-edu.top/post/5834072691

  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-aff0qyd0j.mit-edu.top",cType: 'managed',cRay: '90f7f359a97659c1',cH: 'HhoD2s8yaWzoe9FdrHXwBrJEniKzoIiHMqMa214p.Ik-1739147006-1.2.1.1-fGZQblaOClDZo3nA4Mrf5TojVfn9.dJDq8mvBNWhkFwFHuIyK1O_xCrBLJYr9n2C',cUPMDTk: "\/post\/5834072691?__cf_chl_tk=pvm6w6ugyF46PT1OEauOgxnBficfLwTmk2zSAizCQ0c-1739147006-1.0.1.1-Tu05RKAedaRlIv258vIF1ODnNtxJx9..ZfBnzTQGgF4",cFPWv: 'g',cITimeS: '1739147006',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5834072691?__cf_chl_f_tk=pvm6w6ugyF46PT1OEauOgxnBficfLwTmk2zSAizCQ0c-1739147006-1.0.1.1-Tu05RKAedaRlIv258vIF1ODnNtxJx9..ZfBnzTQGgF4",md: "NRjqBkhfIXC8rexyivItppoJGQ.y9x3fB3crNMl5AoQ-1739147006-1.2.1.1-.JJDZoYV3E9k5SEy.H6w51UBhLXs3WbaAonUN9.lJRB4_gWEEmgkhUtbCzlULxGjWW_T.innZIZI3R4qvPpR68rBpx.czK1Vqb6gw_k0Hoist3rsL3SU.ZxIcf.PHXmdhurvwFukTMqlk2IC1LoAuh.wZmxUo4DUVWiUUHEmr8u.pQ_OELf3l_2LsNcfX71poy1qFUrhZ3iF165x21Wp3C8CgOmYVN7.lJOJCv7_uDwo0.fD1O8p5o5ZVPb05jA0_QEYO34WNJCtVhg6UCeRzKZFu0gT0Zk0XZTSkt7by_REnAY8KnBMADv4FP03s1QuLpAsYbk_cZsdbos7L6JlKT1KcwS.QCDYDOwV.Z4Gz4iqtKPftTaC9oQcPbxCNdukeZ91vN2j54dvaeWTBuXmaR8Wv7YyQnv3A97V3eYQrL50q6gsW_ZG5hlqE0ACmIDXnsvDwtSIPBhQiezCsGKXkOgJ8J6QBEcFZA9otWKfYhLniOt_Qo1mfSPl61ibP8gC25gc8wQZ.HbABbdm0LVudLRvJMFAUWlEqYglSq.Syp6X3fxB0lvj3ra48ECmSnZ3GkqZOGkUP.u2kqyH6MnbL7UXjai3lHLKEqQumIvOuRUV9oRiW6wU9v4sq8O.r4.9q0EMm1K_CsOM2dfeEHKU8ZDdAFowJHdOq8rlIvHHqg5sommOUtP.my.8_zt3v8j4DRAsxnS0AVStxQm5QernxZV6PSgYkXBE2KvNuG4xof.diLIbs0oNkENSsrFhMKicHzR8uoeMhUCT2cwXfkJxZNXYJTX.O26Le0w8co8CUGri4_w_G3cvbo2YRoivgq7CV88EFarSVB9af7mWgAgKzH9hXwB2UA7GBpnj0fEKvxUB1BbYQ60_jilnW9Mbrozhy6mu.4.yXV6IZr1SpyUCbcVl7JW7977EHhFoLQrg6ibdJiX8_NtLj99UMlS2RT_juB0DSobc2D8xwpqbEQ_LSYLMglOjJtiiwJWoi2EUaZHx6J8Zn8LpzttSdNpfcnoxW7NZKQEaW4i.xLSNTeYHEmi5LfZjsEg.5SSznWYR1P2fuk.MtEV.80ka0080HZOr5cUNXjaYIvAyTYJbxuqqqbvfLJKjyxuk.DvcCsmxYxQQq8neD_ypBzKePK.rKFFCbTfiQV6eKtEQSzIUJFE._m4m2Re40HLQahp_hERx4oSVVfbptZ6HDzqCuAoqVFt9syik3ozb7YaXzZw6oWLfZozrGlfgFr3XSwok8XY48lb.3jtFjtMAl.RUx.zAwRKxQsXPPXcyCAs.YSwmrPKX5g7G6csyJZUfWmkRLGrxGu_gcQ6c26LJH_f9z6ucfY4Nzjqr71nHjmNgjbs2cg6gj4t0FQpnn7Myjfsf4sFLbL8pQ5kYnNlMUJaT32fBQIMHqbvPcCodg1wQyBzdMUmEL8YWiHeXjh7tzuWLBU89PCcct1j4pWGDkcP6U8f1JVsONPmfOt19BgZASH0mfF.30QlPnghW7vGnykuRu_PkVCk8ViAvBfR3SCRh3UW2HKqU8v4.yfN81XrKv78AZDJ8oxVw7iLiyY2mJk8Rok.LW9r3luZidWxoMG8LI1i_12YPLJt9t40y1frBKunIz27eepUd38dwKOUy4K59cAdJx5lbW9D97a1Vhhwiq0R2JIApn8xqT6YmnlLm0W0CPeAh8zy7TbtXCFlD1tJkcAMoKVz9n7RJ94zrSyeqbqU_jU9ISsOe3Gpb2sYpC.souGejJG5_LqVkioZNfA3HvIxAUrWJGi.VJuaeDg7cJi_ALsyW9oJDP3sGHNV6YIrCYvlc2Co5QZnikdAIYbWp0gRplzm5RN6ufcdiyiaclzsz.ZuBE38f1TadTisalCve.3migpX8iq.CzFl.OufJU9wzOOou6tu4bEkpnMjRfG.dwi2IXmVLrDYQVI5LP0CrUSyLZNDCbswR8RGU8KrwJPzOEBtM9C_KBSbvaL10TAXtY.KzURC21zK3ZtBzs7a4qotwC72ihsGPyMlqKPwtC9kdPbp9KCVpJJxmQNQ17gHGrXJnAszC3xKkLJNNwTEaimlS_hJC9ab5dHpTuCZwQxoiSmqGFyX2DL2IwpuVB_PMNm79ER3SF5FE5N7N81pd8gvozMoPcGq_mnWGFU53xat74E5S9ngED36N17jc0jMylN3gXitlQBz8Gfw20V8ju_90AxGfWjRHyf4g3EF5TKRuRK2iAW.lUHRmmyHJAScjrIqS",mdrd: "BS0ZUffo0jy1bQI1Wd7LGqbMY5N.msKzYjVJjojUeWM-1739147006-1.2.1.1-At_yspXaStzhKPo9UK.tnon73vVnC62PzYsxXEG7KO75LQ8c2WbPCGYek59vlOI_EqvY2nJuU_z4JZU.Xztk.iGVhjQOraH8yQoVTOIqSvr62QNFOZAarFQG2WKoyyEvbbkoxa1sySTCMdKOBw0FBr.uE6KxBKN17sQUO1SHApPZiCecUgFmxrqR7UuJgX5s35171FkXF33mrSKVbBVbd2hi7CX59e8z_xtSh2_f5v9IPPHuoY94Grpdef959nzMzVB7pdcn.SOQriQRxvoyUqDwr1_mJcBARMdZ8YIPlQsKwajsAYVnG1TT3qQcF0YHB4t4fh_5RXDgXbwVfPI1A7KD34x99HZ8nvlSktOIpFTi.c_Uk1Lib5EAWW7gkeX1IBq3bpPj5FZTxsxwEqlixZ41aN2_LU1cEcgmYcoOmbKBiSbBywOQCQQeLFlooPKtGaGfksb5HP4p1VmJRnHeAKgqc4xFeEXUHEfDm1Z.YjMv.7W7t0G2BOgHr689chsXQtld_BgaF5e0TxbAkPQB976yJuB5kUh6aH7wgXpjyKFi4bxVA5HsVsZgdqVPgR4_1ct2svr4WUYftiGN3inGiIMDuYxjftvGBWI6w2K6_mn6XaCYR_sRYoWPdKEVIqVA7YQD4Nd7Yqclc2lC70LMj1JWwfioUBknqYhIBNk2eauT.yVxHOsfCl3dQCAcFcOMS0RC1oflvczNqud9IxQdnEz0dJCXas6NHGOrckRqrmAp9Os75aSAND3FM7QrCPoPcvNBsZJVF77edryHt0O5iBqLWqAQLnwuXx2EJLWLIX_025N7fknGWapaokNDaiiVRZtyZnl370d2xRskBIU1pbQJ9z6h8jXjeX5jCcEN4xiHFFG8k70X5BszcmcwJFNzU8_JX7o_oDZondfLyh4NxtW8iNsXPekow3o4Gdg0_fQqoNMOIPBWYihkx0LTbI4K_73uQJxtgbPdoSl0jhMh6AGMWdbPx3XKDXB.o8pFBQYcpaQyumbu1BExB7an992BNbGPCSnox.juPzrdPjhfihnIoyfMwrbacCUnukDyDx2rBUf5kB9KiboyhGTf.g_xOGvEQIqWAozhKUCpPN_8RclCy_eJSWo86U8XY4dYH5aP3wgNsNwO38XgxRWZA23g_aGGIH0aSAOyMGoP_RZ9._TSQuy04pPlxURQy9xm6WvTWtPYZCgFmA9V8C0DS9pjFk3HoThlkB0iR9WiEAQNSaUWe1ydIpK.SkMv.499JS2_a40kKMCEoO8s0ljdf2P75_ixmj386MASYbT1CwDKcac83R2DsRAP8f4Wn4_x6c0.0sNiI7O9U1n4.i81ut5PemlztARbT5RVgToyPLq0KMGo98tMxl7py_56x4TEDfF3t2QvAPYk_RVxpiA7pBaBsteS2Do7SXbp.q_lEWC__QA3Kkfg6V6PWd6MRhwvWIzaZO0fIRb5EdGryWH2LJcIc70motGMIZ.bON2vGbUYS_NiWV1yQ5iskLGQh03w0L34K4ZhExX9hI.xunnKLn_paU8mPPUvhJ63LhalMUic6SNEaRbGt92t5nVfkslVZ1UWOZbtX5zF0TBakvPUTvQVOEZW0fnWcAE_ft8k1tLR1sGRZhYMljCQOLSv9Dxr0X3BVuNPQu90aO1ILldSTRA7RKY1bOdslIkHlkz6S9HUVJ1SvZlyM8HzRe8m8UXjQuY.ZMFu6LYO5QFnEToF7HkU4ViO97rs2ft273XRbebJUtGzlrH.GiRO7VB7jXRLRnuGPgKxAFpkZ_Gm.srVfTJjBy.qaqsnazmEQEUYuiro8jSc9dRqVCIXICcpjiW2fnc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7f359a97659c1';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\/5834072691?__cf_chl_rt_tk=pvm6w6ugyF46PT1OEauOgxnBficfLwTmk2zSAizCQ0c-1739147006-1.0.1.1-Tu05RKAedaRlIv258vIF1ODnNtxJx9..ZfBnzTQGgF4" + 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