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-656376484841.mit-edu.top/post/7043251869

  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-656376484841.mit-edu.top",cType: 'managed',cRay: '90fd0fe3dc293946',cH: 'nMEOdUECBhDjyEzOEsfGaqyOi925p9jeQnxaqkzloL4-1739200604-1.2.1.1-KBODqD.qNpuSttnrOnw4fILYhDKKHIJF4AMqXThlQEZfF.hWZR2qsaw0B1lNiNGC',cUPMDTk: "\/post\/7043251869?__cf_chl_tk=vd08vlmS8bQxJJcF9XirHHhOroLN0OsdAzmnezahNcs-1739200604-1.0.1.1-C8Alg_EvgumL5wVT3YgCf_x82FzCR7htmuvhwSz70Hw",cFPWv: 'g',cITimeS: '1739200604',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7043251869?__cf_chl_f_tk=vd08vlmS8bQxJJcF9XirHHhOroLN0OsdAzmnezahNcs-1739200604-1.0.1.1-C8Alg_EvgumL5wVT3YgCf_x82FzCR7htmuvhwSz70Hw",md: "ojijgJcrMhKCdljPt.fpoW3dakN2NXJFkT3.PfyF8rM-1739200604-1.2.1.1-r8FwKSiGTUnaBrZMTP5QSUHuU5pZqQstRufeJaEFaVDXak7zPhYCpu8sxo9aOC3mOj7KTX6aW5zvJlq_VxIKHf9KBthUl5s4syfp3OapYeG5VVMce8vjjLKvKOkGMWovFNaKGcrmhjv2kTLAbSDTwOc3OIWhSheEzMj1DMRmxGMO2s83XugeFIsyX.JfxpAcB0YAZjL72WofPgSDKp92mBBfZwz1pljIg_FnxyPl2BNZ8_Zlk6zCHjviNhnD1yvEK7ZEIp_kIZ4WOy_OJSCq3yX.Pc2ExkzKVFqR4FwuYiClVVygfuItS0Vl4LilahplvqUeqBSICwPkf4k7QDRMJvVRuMoVMaGpOCWytUABl5kZDvQ0MES0GK2Bzvh.pl.dgtImDVyxdbNpwro87l.PVKqvFF8RDU3ptShldkhA3xdGOVrc7RdEXjpriYRwwrlwRnEnz42OeVujUJFHxE8zfNJagX3zyXgNreZiP87pVAINE8Hn9o648F09eE4VvdgpYLH7kvRPxtyOsdOUebHPOtwrwqs7ImBEcCHkZNUaRPGhK7ZXnYxN.LpjehoO1_yGJCIpSrs3U5Ukzcv_axZI7XAmJe22i3e3YEd6nFUBdUsOQJOWmVks7KbEKbN_LjyB5mrCk9ywsMiRhzViKVvty7EYfscttbNtmbTV3AZHXicbPrwxqn_USnNCkzOEYg1kh07EsEqN8ql9D51toDcgUzMh4W.oq7quTlFS_Z2IftNo5oh6ZuLDwgTEWYBMkYhqceKhg9iw70cqwABrXodSU79S_lk3ul_wSutI1RDv.Zb56PQuhisIS2Jpp_Oa5pN9IzGQ4hXu6kqIEgYkjcoskmdJSeEibl18rn9nj7M7EEXlOOvgJGYBu2pkiZAMWryZ25s22S.F4p3YHMY3uckeQaTj2FFQ.ZY0VTC3B0yNowJ0bYElcWIiWEX_rvxkLJItA2Zcna2m01NOeSKDRyGiZSnrt6cDQkeUIL8IA4G8FqQGaFNLSpR1lxvyAVq_Ago7.gqYq4hDxmdYFnzUiGla4i1u_fueqB5B.QCSE2_XQUR531pKsluxgJBxWkwiaAwG9X4QZE9EarkuH4.SR1rM1mFInIicZxpFkAHQ.LmdSaaF0.96WjrHfqjmW5xPTIv3EBqKHfQsXdgDaHo_MtRAdi0zvq7H8EAPD3L38PEkFoOfDBf8ppBKysmWBxJFW2QlW0G4p9pEbjeiQxUx4kdODjTvxvSP3xJwwnFeAm00khMVQglNDwR.BDTIQJE4wyIqVIuK6ddGqLHiWhcmbf.psuyFadFX6Z3csC9sQh8_ewZ0y42Zh_HB72u7hllyPlMq0tmNSilKNQGxMkm.uuHq0z.TzJnc17Ibf7KotLCWcKjn3lTbAYuEpGkxQFtp.2U_Mld04SrK4B43RYTLg8mBaReRYYTTgA9huvWD8oauyVBSUxxdUctD55KHJSgJq_qU0.9JSHDPK8AIQL0YGKAba822KM4QMqsIWAMQoVj0MHyk0pNfH1ivzWAFhGWHfvPIrcz9UmdVCjc6IldIAu02UZBjt2tYYV.xmWO_ei41BI4AVp2Ez6lhL265PzTwkc8ip7aMOUbK8rhlcP8LCr64SptC.aPLOnT_VqyowLcUbOrlpj0Kx7dEyUHwfVR_kmNWLb30a4LkO1mN4PfSYTnLRDU6dPNZclpkhYNwptBJ03Fwj7cDOWEDjq47OsL4PnHsKkqRTMEKRMGe0gCY4DNl.NVGgoxXSlj4S6pc3knGS1PkyPEhpLyMlk_5iES0oy29uCkYGlnKsxG6gXm3YFYHuAksxTDaPNrddpWqUYGwwrvbrAkDTNktwvdN3uXgH4ltf177dII7IqepXQAZDHb3wxVQh5KQPniCKUpWJYBvAON4K_d0VJFghz.IuXYnn9x5Pjl7w4n_H2yoR4hRH3jLKJb.Vk_b8FvfG.SDkIEL0SbokigdsoWcWZKc.Ky7WjkaV54bexTlyHjFB5tEdFl4XZ56IFK_ZUOu1svmZimPNFdMe29BnX5q6m6Acls5ZD9SBrWao8U7MBK54YGDwnxSZ0h7Cm16E13uPvuMtQ5y.R4OqTctk8etf1qckGSPcAFbO6QEpVCVJCKsn938SlxGwzGjRiXlD2RqlbG_5.jXDfNE8ibdJBojpn7JuZ_0h_aUniFdlfxkdcF8AFvIEp8BW7yrHS7_nfMxegOE952s53u4DEzsSbSJ3O78RTdAFzST",mdrd: "UyXJDqt2U7E4XgKJfek.IWCLyLhYP9yw88tWhdsGdsI-1739200604-1.2.1.1-.SNR3DCLyZTVgpGHPzo74Iv2K0yk4S2k6s5kLoVsN7TcItlHib1kdMzEIGyITUcszYjBYttI5DHsrlIAzSAtS9BN0NqM7SVvZttZ.286VBL2Vxs.t2METXM6cPT605Rj5hMIlHpINNu3DKOJngTqHKZGu0BGMvZgWqbTDincrkhxIr3Ab6umgjZAwrtoqZPK8qU16_M5PNhsbQPTU7aIiri5Hg9TmWRAeqKfKLZeMi04jyXOcd7SIJxwgtREXEXnQyiAw3.u1kxWD8PyzyMe7zGgcN_C3xTHe9p69Rl0kzz6hXZjBppwufK57z.tkp48QIzenn2Oo6GN_n0uozCCKMLZEicMk0c6lmSPFUlMKLWs5.9tfmh_f1UivWPoA1Yx.a.2MCdNTVdBUqLC1MUxIMBeASYxOiwkXfRJ9TnLTcKw7GsVQ2PnnoY0kHUVq12B9gnx4K_kBPXVFYHbf88yqOHXXe_7HPtfORUETaml5Ol24KUwf0scQJvoNTl0suh_L2J22lCD.OwctkDdIkaE2Jl7oBR.wbyerN4sBc7ybskBBiPyPMAGvynQmgOJ6Lz8AtjRbyg9cGWiipExmwbMmceCKIKveZJPs9eC.yTTPL6ocQ7gim50YuAZeuSy5xd7WKTon7gaFGMXju3EdU11x58NI1bzfq2Ojr10ObDFcFTHgjTyie75yRLRtr2bbiXEUA1rx33RIIsd_nLgHOGAonNi8VabzohulGJcI4GlOZT7TKKVFvn1Jqnwl08j56yFyffdo2mjor4MhM_3tXE4wYL9nPB5hT7x0VRGkXtcc7rZqQ52TfdCgv0oI8of681LGng_8JAWFfag9l6AKSidsuxU_4TgMdlXacPL27sAj3lpPR8q3vR6At5gt7C_WqQXu2nHcTiBuGJLsChQ5pnemRfKQmNnwm4.zQBTZL3vlGXHIPiMxRZ3_uCMusWzOIYL9f36WVVGbUavrp0gSHPNGPlNHWegBrb.eM0S152HolEaIHb56rFSZGFxkQEQ5VDdTAzrEtRlSOJa6zvqvE5J._Ty.1TzgZL51J0j6l6wk3cp_a7c9iH_GIGC9oi9Rlo2yRNJDe7nO4W4W8fd1Z7Kf99VDoYhBGXL9S6196klkg2Q93RImqYaLN.G0VpJgVPoRpINVJu_i8wX.8iDm30T8j56qmdlevfHEHxIbtXMxi4wx7Lbd21CawtMADwszQ7pr6U9pMKol8gaJmh894nSBMLQ4oHkCBreZjN6zH6rF52pvMp8ITFordTXcFs4FMpFTUuoejmOnbIOwE3f8pHTVKYQEw63B0tTshbjef1OXrtqdC1UQDZxg2levVU5Frz9ckb3WYUjgTg5B662v5KboXVm8_HYF_GPdezceB98l.ZHnd206e1lRuww2P_YOLpSTil8xhvQPCfYJ0LvT6E981n3x3yIVZRzjxH_D9E1ydeRUW.cvgzKz30gCKs75cIYKuS4JW6_Qp4HAz.8R10quUWXPMjz_g.Vd3z0e2Bi.IuKOxPJ.BQCIF5JTCoDvszT8UkQJRO_IJQZeGcDVkIx0ElMXIvohWKpuK1AA83irsiLxqC7rMkozCuaHMsEvPpWGwpclsMlwdMVbyi1GFcDcf0QZ9YfEic7VU8jSy1n9m9Dw7rwTdJGuIDRDhjR0SOL5OOC.RxlBppcVSQAycigK9hgsb9udqerQ9mkdAePl7xw.Hq58qrF39q4ucBbn_7EctQM__Jg.ierg9QfEWKL71EUc4w.rVKHaFaWNT2XJluy9V7aNA9HOFTup7v1zR0pbeSyngyGP4Rywy2.q7yFEA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fd0fe3dc293946';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\/7043251869?__cf_chl_rt_tk=vd08vlmS8bQxJJcF9XirHHhOroLN0OsdAzmnezahNcs-1739200604-1.0.1.1-C8Alg_EvgumL5wVT3YgCf_x82FzCR7htmuvhwSz70Hw" + 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