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-aff2btlbd.mit-edu.top/post/9345681270

  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-aff2btlbd.mit-edu.top",cType: 'managed',cRay: '9110cb541fa37f72',cH: 'R8uHJ9KxJOieIXhYf_zpPgPOWM5pHo4KYAMiKybq4r8-1739407511-1.2.1.1-EnQoI666YkNDkZWdOqDXJRwdXFCEdAGyWw2LWx8PsRbD.NEfo.4_JROBGPOmx9Im',cUPMDTk: "\/post\/9345681270?__cf_chl_tk=WO134cyjpbO1YYiPKltMnhVLEtifr4MKH0nbhqwNcC8-1739407511-1.0.1.1-aUjy_g5m1WTY44ZdXpfYoGk1s0WaTFLvuY882fjLbsc",cFPWv: 'b',cITimeS: '1739407511',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9345681270?__cf_chl_f_tk=WO134cyjpbO1YYiPKltMnhVLEtifr4MKH0nbhqwNcC8-1739407511-1.0.1.1-aUjy_g5m1WTY44ZdXpfYoGk1s0WaTFLvuY882fjLbsc",md: "EDUR.uaWJz65LQw7Z7SPXl1IGKHPDq1ztXt7uqW7QeE-1739407511-1.2.1.1-ezI7INfVfldCQCxfHqN8gmMN9XhePb7BMki.ht6OwcDmdgLIYQy8IJRTvLtTzpgKU7a.5oivvftSbQopR6Fg_pc4ktZtBpWAILKlXefXEkF5yN49tyMKzuuU4_pDC5pQj5DMBXioQltCWsv7n2C6t3qrWHYuTq1QYyqVEc7oWHpEvhEuwKhxc1roShBzPZv_EyiRWWSedg4394WYFhoSOiQiwIZL4HyM2t3X41dsCxP5rKq_4swXxQ1xphjteudkKjvvf4G1xJkKFqBRjCk.vOHyjSu5bE0ba34ZCRkIrlacRusRjeVn4MmlGV2Bf4zmaxXFTl6HMembf_vJXgNPjd8YcipBjKG6dP67_bQquCG1mLfx8fB9OssTI5DPAarRFNsJzAD4eD2KwaPVr9Gn1KWVZJL0VUuVp5VJGvR1uMNmeFrsgnxYVkG713A_88BwNm1fA.0zAvVOxU.0knyz2FuT3oh_uEr.UHXpuGHbh1jpi7YoulBR7leLfNQZlG.Ji.P4kkdBZICSdyQm8EKT3Hns2nGQIgF2DiWGDTpM6EONe0fZw3LRrii1KXF46wUi.e7UDFgeSaif8qpYQEarxm.cl49dX13eGOaa4Brw9674EulMsfbTu1Epg7DcShm6ZK2cwpreRfHyzExp0xHinkUgE1L9eehEnkBn_8.SGCnCqdQLoVm3cI5YV7vTx2ud.111OetlOZoA9REYtGaWL35b88.817ZQhe7ZfU4InfBNlKv3NvE_HrG6SfEMKKtwyd91fjS7CtIdhrI71YYRUk67vq5YO7Cv2tKknEgrp5.YZ59RDl15P39SFFZsBPD0apqOP647Q5IwLiJyFMd1rtMrJhVpp8uzSPx8_woYAmmlGwVSidDRmendQvWFkZHzSwxcJejjD3rH3cLaa8H9sNgE9.0C0zPjMXWHXWtem4WSqBm6TKteX2ZdXWG9bNn5__QUKjgUdc5X_tlu47RO7P8LW2Q_R7YvHBcJcuzDl8i3t3iqRBxIa6LfjWTDlSjwu3wC1iM2B4i8QrWuzkkAzWZBL6Rs93PSpU71aucDUXXwfC_BXhfZAJzXu3GV7oORW7o0mJdAJLJk2KS0voB2wSNUK5rNzt64e0ysu2Je_lntMVpvXtXpytK.Glr2.bwN_5zIF8qM_dTlISkLFLpdnNgyY9eubX5.KMgm2aPpbjSuLMyEE8DLwtUMBPzXLS13tldnw9bs2_3MT6Brrnb6s5j2_Dmt.SyRtwP2Qb28OmdxNxRTcOqsqDBlrcz_Sgst_2OXcHM..KosHhwqgvnMTT.CY9IKepXLeNIeqJUuj6pCkRdebwW9XrUcT2gV2vP1YpJ9o49F8jSK12DjAB7CdSAa8p1FK.xpFjJmJYiOYqkofnBzLIKQJg3x_Zum_828c1YGzwJDHIKY3GOnmzpff3FF1ML9OJh95q1AHOvTbYK1wXGhNfbHdOKjmG.oSrPVYQYXkMrkdeEC4j4iUI256.ehJMNeNMn6CQE0aGHK2wyfQHfE058wPyzhjocUfGPAlddtT_ybJZ0drBpnqDg3S9pzJmtpXFOu4yJoHDKk06cBgWYCSmU8.QiAg3Ki5pffcofPiuA2Ys0BqRB6XAWhf6LsPJIoeWgVosUIC6p65iTRDgnJrU2.t8ZXsbOy15V15x6dZHT3MiytkIkYxyLQICg2CmzXK0e1mR2ut0rK8L_9R7mlG_lOPP8kVUuQzJ9KAErOGZsdEodKL4dSeVC9CtzauIaI2yPcnLbbm9Nwoleuvo0LQWB2UK9KRgLTJ.CwnUA15tB.yqvcURdX36ZiVT6kA4DNUwr8NCCpj82GH3bV_cKL1YybqIjhKoqqkrko6fQOnOLUyqLU4Nn4FtTL.Om2rQoSBTZTzw6D36aP85120IRgOOQxFvdEuWXGlnYyhUvzkmVSihrEt2Voe5vGY_jGMWg1URN2SeE0.w8MoK9vOwB8XkjgEPZOOX67fVuY5wF._Lnqlil7cFkfv_BU_tmkjp_tpT6U.AHmuYvNcpSKzWJD_0UIO4ymsvaiWcB8oKM_iX_8pkEyXisDeSyXiBr1quUJE1VY8CU74TkdwSlu2ASMeE9cXcr35vTOwafRsJ92iE0yvV62TYN7P9g55T_i.vVyNvcSOT.HU54X9mFQXpr3SqegXiGqae815wx7TuVe0pq2RsLYuJFxo9_arau8E_ehyplBSv5ORIlx6FZx_RP9BCK1riai59dJ347j",mdrd: "lIUicoxk3pTDMP.wCokbynlxUhjRJG7LZaUHTrfeVls-1739407511-1.2.1.1-XgUHn4bdUCkQvAUSb6hujUV8MuigTjmf5hYdxypxMwGJCp8mp.GC06HGyHtpiFWgkDm.4YDKmZF8vEJwXOgu0CV3w6gz0TAV0liallNz5qEByq0WM044uQFWz0OQsGsXdwHWVfjKpoAt3DwefbPfAJlvEIJwybyU8BuvCO5x61sx0VtZLQC1t_X4RspIgI_D1uqjw3UQqpX.UvB0zDKhnlI4IUu2HfzJZF4BsomZrU5Ys0.47PDaLCkAPu7JzY0OyxqWCB2onQ3yAacLD3kTH4NGhq6wbynkzc53549hZP_e62oEgVVESC6vxOIPTb2e7PtrlSJ914UwTVHv37VELRIkc57RdXu_IdqE_2bvgDzpdfe__otWunVTnPgjxxeelYMtwpkZT5Yak.QZG_Lzc3NBMMfK3glh_yJ.GSkE8V9komsZfb2RcMd3xjqSwcl_m_xpbeu2YNgTnLa.DZ_9K6hdKtt0ju.JNhzbPrL8SvAo1ysZCwOpkEWzbowQS6mg8k8fX2cvaLTHXIWAOaH1_GaLMB3W2l7rD1RD03q6Z.1Vfy7hcO5rm6RgbVhMYMxtTPIH4zRsneUbw4MSzvrTz0U1SQ05oK4AKqe6f7nJGaGm_Rfz68TSw6CJvrsoZMvPgnIqUzbEFrG5iG6vT7HRtFCbCoabR.5Ix8ZQ1UlcQcpqRsj2VuHo9ZCF.HU5jBTcm01zdp6jpi7pmmBAYWSJ1hD6snL3Q_BxIU7ZTBBG19g0r6K4Dy9st84lI9JBMiRTg8iPabskuqe04ARnnDbLdR61Vqv6MVF5PIB0fYUUbMiR5hdwgici6rV79zpxqFnDbK68OioZYh3jQ3KBNaA4ooPr7MeaHZnjVow_6dVRHSmg4KYEbcPpBPOKldrzEFp3eU4sH75G3wkvgGwNZfMywyzK3TVuMusRzUG_7F_5Q22mIzBIwbEoEH3nXmICDYz2PqMiPjGF.KKhvqwnHk.yOAhZ9eMqpN279AIAjXaLF7eF_iSwF257loI6.bEgSzm9sTLhpA4BidFoedLJpND22X8wO.tfXpV98pbnEOWzQfISRGjHobKwxoLyJKoR5LQx6S1gj2yDA6znORV5zLfMfp9LAx1O7o9HaQYyZ5bZRTU0CbvwxLd.gYLxoBuc2iEV1kcEUfcKA_KS8W9_cLe4pcKpNbetaB9h2zwvWgGm7GOm0.U3QTC28B803FBhxp6Ac9GRMp8LXcEiDvP7zXIKECVsi6Grawk4EQhjFmsKkoSXl7oPz7C_I98G01feFtXBaqXhU.5O.1S3VxSojlyORQ1t_d4K_WMp3UBJ7cog13kDnX0f1iHA_TPJueJRlNqzi.L126u9eoNq7nSjXC3Hh14Hu0LKsmrPTaxkJ8Kf5.ddcddFCsXYx0sksZz6xjoqc6SNUL0Ev.jyIrq8KAn.iF5IZsfjyfLCrjpvU_REX88b6Rlu3qWc_mQjYu8ChursbrdohZeOzmgXNcPFj4HThXv9Y1gOvZwOZ4PKwIKBIIv4Z2Wkfe6O3v.bpjGMg0rL4l9l0n51Nsk2m_Le7DwTdnCkGeZAziMeNfhsMxONjxoYYTbz0VODFOYhAxceuI0TRCBxjCQyxG3Jj0Z5qo6BNozFV2FQv41ec1KmIPAaEDcuCGncxtKHUwKGAnKR78rOI1kvyxvRKMutkicV9PL84woCpy7UB7hO8p5ANweot6TBpK06IVWo3nbtLsGpN_LprJml57uEGSvci.jUO4pgsQd.jahLX_a3Ej2BGTLEcEEL2p5lDzsTxf0rQQMqlBlEzfH3_RAgRhuRwyUwhadWbBBh6fNUhcH.LINMKfC0GQU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110cb541fa37f72';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\/9345681270?__cf_chl_rt_tk=WO134cyjpbO1YYiPKltMnhVLEtifr4MKH0nbhqwNcC8-1739407511-1.0.1.1-aUjy_g5m1WTY44ZdXpfYoGk1s0WaTFLvuY882fjLbsc" + 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