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-affhju7m7.mit-edu.top/post/1283579460

  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-affhju7m7.mit-edu.top",cType: 'managed',cRay: '90f350fe9a897fa2',cH: '4ZgPiN592.jES8_N4kKD.U1twVa43r7S5rWT4XYVPFw-1739098413-1.2.1.1-ZySh0qzyxUocMVZx20IhRAZd4q7ddUCQ9UCCisq5jDL84axPIiQTnf4dakSS1cbO',cUPMDTk: "\/post\/1283579460?__cf_chl_tk=fXbNKcqx8XuSUfLPLe1gPpRjNSrgHDx5LGU7OoRJKBQ-1739098413-1.0.1.1-tESsRntLMlE_wwe_LkgS4HNTvfqbal2RnHqggTC1ypA",cFPWv: 'g',cITimeS: '1739098413',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1283579460?__cf_chl_f_tk=fXbNKcqx8XuSUfLPLe1gPpRjNSrgHDx5LGU7OoRJKBQ-1739098413-1.0.1.1-tESsRntLMlE_wwe_LkgS4HNTvfqbal2RnHqggTC1ypA",md: "CI1kC1w81EpVoGobUu117qCUcG_ijNwVZhmxR_RdrLI-1739098413-1.2.1.1-wG.ZtcFPzcNhDaqWU6tJ8VE0zk.eSli2jyZGNc6O1WupUPzV7G4MX1.RYsZ5Exg6xhdRtm8yY5chERKdCADfM92KnQ_ILTNNIqBx2GsSKf6UvNgOrYRXEQFdYgQJRq6J5hqzOpaZTmTQZCdLfL.H_vU9zZX33.XWxoKcscGI7Sg4Z0Bpp5UXglwx8LpQH1I9Owft648BHx5o3wFnDoT2cP5tE756hnJJeCri9t9exWmp1VWWtyXb8FK2zmgaXtdzY5eMAm8c6pEWcX9S2IcsB3w7xBtc8WV53QrgsLnE4hrzkGX2edQjA_C_Scsom8jhl5Q2ZRrUuXO0HYDYL6gHgWjCNTcoc26BWQuVx_wMWG_uHziilABgECjr5fKhdhinrS.Vi1sIXyDFckz5L.ULew2YvpzYHDIJliqRbstb_yVzfidNhB8AMXw.iCEUaa3gtDK97yzXxTWhKbrxOg0RRcOt.6mZYE8IIVqCBjEvZI343rO1aBUZgM2QeSQworOH_Zs_jh7UeLNFnAVK8I4DIOqeU1E76AKRpfgvZXUX8excliv0FzTPqDVbnalilRHPpA0VcpTdNuatJYNIFV3v8zY_.1Cmssm2e6._LYGifevxoTtKUTjU8F.VGkuDpBc0.SAFiKmn3Fos4anTmh6Tpzu1zNgFgO_YKzqetwrIFCHij6v0OivtL2YRhedPbE0cf4vdR5aDnKirDZ93knDAcgviobLcEvwfLl19fmbDBw0YMCgMwZv7GAijveiMI8CFpfSRwI47oew_Q.u507Y4e2nMFKHn7.UW7IQsqidbIJDbCeyw95N5ujIbJFWLnQEc9j1GGWZ4bznPUe6spI6Une2HsQ.QhRG_DhdYmKpPceExI61lCMXMVTl5QttMUs6AXf_gSqoGk.AMr5Bmc8OUda7iNT6BoNZ9NjdVWwobP8BeVclmrESaBKZ4AXqSpIGDuYDEJosmhODDghF_BLO2Co4w0IYYSgxDf5SUpIsyvEiTpUOznvvbn2ZM.WCj93o9iMqJjHMntQRguazopyK46Tmaeh8YMV_Tj4NaeuByyJl2xNuLyIAVGPt3j2f6l3Yb6u4SCxmbWep07gckcCyyzTJ2y8.Rz7mB7.o78dwa297uAOyr8C7DPYo8dAK3XS3M9wjIlczpOP5puWyU6Vx5TqOuiWTu1A2.2LCrGlEjfhxjI64__nc4AZ2ODyZKdY6CziYTXmugUo9myrJrUVPV8BbtCXsFSeVwXBx2tkEO7CbbeqBur9cp6aeWW555u4SsIydN9JXR1uRLXtfMMNCTkmDGZbdQIDmqUewzfZSyALHQuZHCgYwM_.cX0sq8..djOwuD65TxpEsdppiwFvYUJMkWvuBXgV5LHF.SozNdAT5yKPShGG2Ad4tzTYBi7CHeUed51X4kzki85HX7OtQIUZaDpVfoOFKMjuOpFhsCtyBtBA1g6h4FKfDQzBdSPs2QQdMuBy64e_dNqbXgflg6WPhUlyJ54XtzP3rpm9gGn_rjrhhZnRFHCSJZID76zHd66pTuGLLyRP6Z1tcr08PlcYzxsOs1PrCEY9VYTMFD7dImdHwNUr7NFA2fQgzuwalrAbKmJ1LLnGBBt9orR8prT9AioYKm9xG6BTWEtevEaKM5EMDGjHKk7M7ZMzKRz6ZllP2bO_UY.V0rg7021FS5ANhU58f3auIGUtTOtvnLOMCXyhMNPkOPrN9S2H0nDGF4PNi7.Y5lZWqbbnC7bFcAlOAXNeQtoVWDI7BfGpFqIq7BsFx0JUoAIhh7_yM4BTowOAF7MTkRFbDE.myF78FW833n6us.SQs8ppTDYppSA9knLFQ85fQKrv1rViypNhl1dqGs.fSUhf5tTk3m.slRhjQP.6dRwzB8OY9qCztonkXCo3nflvhyydANRtQddMucWWyqrn3XYIIXArFMXMe3WU3a.Kqj99pH9DFxhbt7WtxSPFErDvb63qtRaRGWZhNtN3hwJg_ay1wffw3idnnqElf1e22g8wqJAE_ngliLpa6_65ppqveEuppGLA3usnxvbWFU9vjhB3GYkt0a8pdxH3arSWxsbTsjPuyiVfjPkOBc5eWr341BYWc_Oq62zAT7LgAGo85SWzOjXwNVnnsVVurLTEF8mLVtiebx5xJLhSmzPtJbO8.rRAzwNOyGzEo3w_zI3FZm48v6skLJvVuzalbD1kcXiOZ2ClWVS4LSh0d_vhDN4WS5UBACvyTDfKoH",mdrd: "Y26LIcZD9ZZnmgiNRPj.dKUQOsHbW778dcOlX5ih3cY-1739098413-1.2.1.1-8f5AVaYMZ4YxsCgaGySYXPuoj1bLKx7udyaQ4k_wzFQWKk40W61tftpSVU8EUWubE_I1dHiAsBzC02pa7TuSHoPWPRu8u9GMHYUYojwsVInPKjqYsG3_JEXe.umPJ2RehmIVkgUJa1cqRP5NHpt2fKMqr66NwzSu2H6A1sLap9y.j3sOHCVXDne_DEW8p2julaUPo1qRml1XQToU4DIXwKiQ9AlQNTWFck4siLT5u9xe3_0ltOkxqfVYxiH8CAT5NFNcVIvSaSj.5rPAUQJDJgd6L4rLh8RMyFSYEgjX4yZFoK8F5XkANZgpRaUc7kCtRUlcoJMrZa_0QdVzJAqUFH1NldpPoJPzcFOrK7TvUudN0m2MQQP8RaEH2htG3nlMcG_.f2u.lijsEdNlLXQcLHqAc7hrmBlDLcgHxP5BRia8yDJEbOMPuvoutXKtCMyzWiVlEvr7yHLub6AnL7KM3TEY9D.B5kOi4nuEtHuRZf2GusOaewPb_F7UR.Oyb_gNPMlGzVFN8GwVNLejYkZSaIyaleP.Vogm7mU7NRU2Ou4xEYfXiPwrHnBIG4tt.w8QXQVJfQwMQ71LQx6PI_cJHiAKug5N1rORHCdhfq4S9EX1gRK0f_NDoIm1BPpErZ9k24YQP1QyACTepnsFbh5yqawCxrs_FtMm6wrN9ihMIwRVTFXba7jChGJBoXoiPZzZfq1eXunLaijkYQlHlUENf9fqr4OQPLj0RZIWS_hFhTkEgfN5CBVXNb0NFbrsuwkFVRCeccjCzIp80oP_5GkftXuwlpeq8RNUsoRUuno54v5MkWUbiBBhyHOFmqlpbEsd6pBzEQkKtxaaC9oKO3wG6Ye4M.TJ8mRjTGLBpJ7a_R0c8lPShc8vw5hitqanNXHgyIwRz8nLkAi3iGVyY2oMRMKgQpngwpkpAdek2I7Q5gCWAciunhjggUGiiBB011APGOLT1I8YIi88XaeHe5ZM0Fm9pTkE6fBUNDWd3vIYGlnmyP.NmaHyhMS7nUFRK8oVdd0WRpY6HpzioFxRHHSdxfbM51Co5nM64snxdrUmS4hkuasZlqpud7cMkj6XVj0XI21Mywk8RcyHdBnOGecemugf_g09xwQYGX041k4HwQElRDof9PMjHhUi6Mx7zEWx96KHFnwcOVRh63Yte7gI_MDNfOlkx1FZ51zxuVo5dr6gG7OYw260y_oMP8As9cnRsVAme.YydpZS2NTcs1rcN.Awt2sR15tCXeEZ0dXBDs8Xd960cLRJEkkrTTgiYCbD69zXldxA_5b53JEU9HlDjFliZ17FDBetpvwUOcl3v5sr6hEiRkqKkJeRshu3Wz5mGOJFiEG0rdEJz4wnKSQyBiGizXJisxAjgec5lFyIBZTBV43HOKmkfMS4a4aQtpMQ83noH1UKFMYZJPKshr8GM5yEbPMEd.cFBF1i3OcQcvT15stPbAmsxp_yK4gFLgQU8GLBeTahjjuGNdKBT35hCd1WzWUJOsrboYXjAIg.0TRdgP627SpStDRp...TpYanbZkiEGalDktcTe3AGHbvm4qMInU0TYe8aAFyTl23TVntH0jvNTjNL29A9D_MAFy7vAwCcwGKKFHIs4LsY3JbLZmaZPfApWo0IiUKgvOYJfcS8wKoEsT1mu7BNfiMix5GTaiXTQP_2ACTQv7j8jqtPMzAl0.xCBKfvVwncncfRTpmus_T5P6VHeqM7G9m5dmFJSGfNAsa8Tq9ti6kTBDNmJ.he9ehfApCp9YxBOlo0KphjQUDJgfoUBuNHw19C8sVcfkSHUOmF.tLUfK7xPxlJfScs2bPYJEVqz_5e2WUl68"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f350fe9a897fa2';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\/1283579460?__cf_chl_rt_tk=fXbNKcqx8XuSUfLPLe1gPpRjNSrgHDx5LGU7OoRJKBQ-1739098413-1.0.1.1-tESsRntLMlE_wwe_LkgS4HNTvfqbal2RnHqggTC1ypA" + 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