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-affnw0ek5.mit-edu.top/post/2534967081

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-affnw0ek5.mit-edu.top",cType: 'managed',cRay: '90fa26099cf59c2e',cH: 'kH72IQYfj.Q9sadqI8pIbcWW45ca9usHWtSZ8hg9NvU-1739170054-1.2.1.1-30w_a3PyTmnibZ5fzhcne7GCPtM3UbBiXXffVo7Qck2rVuQb0C5TWBDbtN0558iF',cUPMDTk: "\/post\/2534967081?__cf_chl_tk=1QgItc.CjAJ0zNyyU9.r4F_Chap7FXl0eLjkCq1tBn4-1739170054-1.0.1.1-9Z9MZY.PsXqsK0W3fPldYX6fQR9.kbqO.MMchCG1f_Q",cFPWv: 'g',cITimeS: '1739170054',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2534967081?__cf_chl_f_tk=1QgItc.CjAJ0zNyyU9.r4F_Chap7FXl0eLjkCq1tBn4-1739170054-1.0.1.1-9Z9MZY.PsXqsK0W3fPldYX6fQR9.kbqO.MMchCG1f_Q",md: "7hPYpopYnz62p0vxBuZONhSs4bOwnJpLFb7YKKuBIH8-1739170054-1.2.1.1-ZGIUgMee5vcQPO88xTVpiCgu82VTCr07TzELPJkEuJXU3G9UoupHBoesRn1xTJ5kjYV9MaayTfWGSxFttp5ETe_EOqDxI2iY_1S_vV8FkR4MI2U08Qe1F3rMOvEifV1wgk2DQzFH_KPHidILhN84qerm2MX6vf41cNKyBJGe7OO6BBOAHkAnZJLmv5ZQf.MzuJE1Taw8C6X_wiEUeigKi.TB7QRjkkDIhjY1PMAOC10W_yezZST7fE.8AEdKlq6b5XEbPctGsgXJ4e.y8U2kd0UDPvxeMGFBn6IvgAN5UbQdMvC.mw9JcCwwG5oIqKp_eNCV5bHwCIs0l.vzT.pIbRD4cegD4IkG0HwueS8myS64t4LQxHDW5F6Akk8PuOnWUXoK.KKDy.GdVnYlUlVvnBdkcrFGJSy52b3pvz_rqsfTvTw3PSsj8SKE6NwxHIB97IOXI8m4f1vDLcKGiEFdGNFVGY6ni5hKtbgmzHrdBk9Jfg9hflJ2qajtWnW9aYr5QMN9Xeoh7hGcphB653ar6b6sSPYdvJ0t.efl0TDMvxsUddcnpsrEoW4lfqViVEtaeMStLec1R6HFj32ZKnTvWzc4tBP_Ml84uPZ6xG7vUo_BzXlDwOsrsQ4oNxxdQ.v.xfsOf7NJFRawAmzusU8eYfysUr7p.rrBUSjQkfTTtwW4T.BMHvaWxLwFBxtT0UUDv.YfYzLeyXgw2Fxmx4bXAYFXhH.drqtZJ.mHJ9OO8McMtg.NWJm0Hlp3SymHwW.6mKsNBR5vYmHRDOkTYREG3e1TWQ2csxP64kFBDs7kV3LxGfyT5i2DQ9cme0WNfPjtWud03gaO8KSs9UyjaU9q2ucqu5SHgh.joiZ1c8uuimVB5Oqj101mbhUR6I23uV4xtsjU.x0wrivtsqPIbpc9u_d89OqxEpu_qosDw.bydHhugA5n5KIfL.RxFHte_Tf0HoTSVdxMATG9tW42cA.tg3B9daO2Kv.NTI_CnqpiulbU.ftFYoX5XOm2HnQGR5KFVZa3lrA7Jkd0PUON23JnEKME2cRtWN_eJbX93OeZZTTfN_xx7SeD7DLbKrpcMT58E0NhQ92TpkrZXpBlGeiqgs7DJSIvoCmNNH4o3HanY7x.db8J8aZt8hnvAhswnqd9gn7Wsfv48KeEMRh6FEImrZo4LEbDvAGXcW85SeX0jiJe.tJpKL.ErgNAYoMfosG7SZnpIDgNfkGbj9LKPSlkLOLhUgWLfgq.R.lmPSldw8jM__cgH_5RmYdmGa_qkj.fST956bcHl8Wqs1XxpIEvqUal4vYp4ycoISFkXGouNswg7QqDH90UA0ZVroPOl_RGlNRCrUe2h6j3cpYUYvd3lFTGOCGWJ.udqnhfLpajG9C795xfxZf1BmhS.ZAf_vStpnfH7Ewrtnhj7W0qPQpEHAr.3t399nyPhjmet3ft3lvPIFHTqfPEjhc12A5qCm2mo4z18NYQIQX6PGeQyatqnYk7tUTfeNeFfK2ZztxFesaBDpWqCYpAUlbEbqIamoWI7cx8wIg0F9imok64LPCXEdB_Kh618xvEfSimWuqA6b.ncehVqYQLa6hhnSBYMV8RfMlMe88irkSZlva3V_g1wNO_UYfdwKqKah1hUJTFEzFlVbRm2czQ4lBAkbRMdiYhEPKAzJBhIhoSnSWAb4sVl1YpaFAq6bHRK7rzevluPKdE8FO0hzVQMx4kT2Byb54ZYRF9wzjdbA4z9GClvGIeZ7aspEolIMhcCJ0HCc9O9v2GvrGN7Lr.FKOcAWGDa6L2fc6sdQzaojTRsmnOOd5p9fAD7tWEtzs1STLAa2sTXOavnU18wRXo1yO70ljUEg7nascwauxlO2HdfXVkW3r661FUsf_bxKYPrqxxlrvb3nB.FbLVML82ClCFErhg3DDUoGqTA4mfp4E7FvpredXkVQ02YyZJAvi7J.jumKm2xm7OWxj7cj8exW__EQDcjcRcSAt_1IC1_UhobNNqGGwd5MD5HHI_U8tnQnkpklJaXS.ze3hJhoHxoPo2EqvmP2TylEKlOvEu23GXCkH2nuj5OpZpjvRFGQtH0gY2_MjsxaYYMwy5G8e_oI1lZoM8fetsrkYum3tN1FXOtzFXchE7bcPCfJQcYz62DHvufNrJQTYheDlySH72sAJNm2144mIkEbDtJuugysy4GlBvOPgM.ZsWG1_d44ZtfS8jce9gCqL0Imc8MJCOJYgalIRff1U7",mdrd: "VX8wSRrgQudiYtAl3mWU1SUJ54Bw_TvfPlSiXZeL0Vc-1739170054-1.2.1.1-NjQVzgWtrFC3DfgAK9P3w6V3NWSMCreOP2XATXyg8Yklf4Gv2qtSSn9WAt_SLtdW93LlPVHWJ3ewhVPN5GZngcC2Ff531SKeRIIqPNuCr2oCjh.sl3lwSquKtnsIxcis3fD1pgrvloLrCGMrTT1KjCv4sA6O7Ou1Jf34oMSGHX.3zP0AlWX4NAX5wNs.1VUiGH1tJx8vU1FjTuOUCynDHQPs10OnrdLbkWM7CPw0nQX6jhYLGk5HyCyz2JrrB9jFV4jEfM6es.pNMlEGeg91CMPm1YZnYbPCZ3StMKv7gurMCu5JD8BDSCgoo9ZYgt0Yp_WWHRd9c.r1Upf5woMnhpzNJGveUY_X2smyrmckcU9TeHOqn2ZHj.kypZxlDwyY.z9jUqbp4d5GknG7hxbOdVjVbqiyDSXvH_usRsVcZOrvP2n4rmax0KqZd4GD1bToKJXzXaLV6HTRN4Ts3BLkyKmGcLDLYrEBIPI1U6e6a4uyXKTVGqWDj0YT0j6yf2_4RxD7Pbz3j0RfgfPC9tvrVFYmFUfuI896yMAttfviQ5wFzb0N1chtfpPfbz1EaUpfzRmuSRIUwoSwPFIUMkAGlj9SLU.mNp96dviFsFDmq4rRDJgZXq_7tLOa7tY.9dAjAwPsbah09UvlB0n52KWsuDHcQO9N1xuapMZQRIPEYBlnlNJjXcILr0ceenSJWvch6RR77YC6YfsVy4IN23HFxB3acYwP5uTZ7AY_EsGWBUj_Jea7TJ07Yn6Nag95zYGdyb7dJs.i990wrU3D8yYXE2gp06vbc64ZIZkT.IQGMhkvYJ1MDSHBGvaAHxoyK0opGpoF348.txh.OXDcoyS4jcDA8WwPiYsmS3DFdqQjUIAkqV97rDU.4REnYYWgT4Vk.KMRY3MyPdadGvdtL_aO8ZSEs4ENM4HLBR2CTAAL0qWyZEQb1F.SjNdxpEbw0Rwn03SZNdK0SVrGYW_2qpXaryQAsMDwaNC5UxYoRm.T70ViOVkse6dDZiIdz2yu9IQlHMJBCSMcxZrY3rq553PrGf1IaCD1FL7UnYe4UfrjFQJMButhmBxALPVmDVEAlssgSrfaLy6rQ53z4nHVruawHKsxqKlX_iuQ9Nv5.T09Z0G7DVXMI7QsHt1h3kXu310cPYZts4CDiA0s_12lXfwFUi93xeS7kYPC3GKIuni5OvWi5aZ7_PD7dE9nuqn28GtKhitnWavhXlGOkkLx671dFU56e6KqpCjUUtJX5yj9h__5Rw8.QInbuGFUjOK4bQnQ2gPFZtw.xRsoCWlA.XDE_J1k0hXMyeaB_8erz7FjPu3oxZASVy6QnKso8_rstcIAEX_KcF8NkwFzsJIoy.eIZ787.lA3syh3uRTF.tntf2ziST1xzD82hqV2g.0cefuV5Ek_bIxFvjqx.j9mJEpwiY_GMNye.R3LvnYs.ug1C9do3pBvssD5aLK1dPVVPKxRL6M3uZYE3qd5SEcOZZ5vnCfVbd60sQ7xVRC4rAZ.cjWdP5roP0APpCN29R54Uq_KWQDMXqxblCllmJExMboOjAsSV5Q76VYrD6uyrCZgxSBq7JHEHOGGXCrFrHLkTzC8VStjMNfapiQXiy.fUxIYKJuYQJHrvXIHQLU17vCofikFJmuzOWOI0N3c6rtXP3KzZ7oXyBXPSN.WMXSyBRsLl2QQsfLqGTsB_hY5_rvjgkTj2rHnMd0HWgNdOunDaQZx7P.NaYXSoNVoS3L12Z8_.oo2ODweN88UGFeHv7bfK3C0qkcoATTk0maBksh3a.ptVN3JyabWZ1Vj7a8G.AdKBw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fa26099cf59c2e';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\/2534967081?__cf_chl_rt_tk=1QgItc.CjAJ0zNyyU9.r4F_Chap7FXl0eLjkCq1tBn4-1739170054-1.0.1.1-9Z9MZY.PsXqsK0W3fPldYX6fQR9.kbqO.MMchCG1f_Q" + 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