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-507355061797.mit-edu.top/post/5014627938

  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-507355061797.mit-edu.top",cType: 'managed',cRay: '90fae4d7bb6f2045',cH: 'FtB0ppRGJcV.Or9iA7Ruedbvlxoiuz1IcQNMdjQM_pY-1739177870-1.2.1.1-cD.bav0L9vZfBY52mmT2QHaecCfTaiQTGSs6VlRsxFD2PCF4_yQ.86TX49D6in.N',cUPMDTk: "\/post\/5014627938?__cf_chl_tk=tjDU3alk.wOpEpNMIuZdew0TUvVb7USnPfImIxaW72U-1739177870-1.0.1.1-xTA2U13abZfzNBoGKBSAVLyNUFoizobf8YqRc7MjGPk",cFPWv: 'g',cITimeS: '1739177870',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5014627938?__cf_chl_f_tk=tjDU3alk.wOpEpNMIuZdew0TUvVb7USnPfImIxaW72U-1739177870-1.0.1.1-xTA2U13abZfzNBoGKBSAVLyNUFoizobf8YqRc7MjGPk",md: "vuugwPM6ImpGoDH788fbI7lpJv1rS3A1nOZO.apL324-1739177870-1.2.1.1-Ubdx8q0c983YOAEKZ1nkTxSr_W_j._ovKt4jTOrEpAklimhUQlfmI4oe_Db7GsVXwOyaa0achTmwSs05NfSX67WLr_zO6uqjWZjznrC_x8uClboQ.ahYChWzJUJyF9NNGe8hUE93TzCNvzRGi1f8kTlRJD1s3IW8.TLrH102GIZBedF0nHi5vRrarlsoaY8r3UTQmH5pORmqK0b1MaORxDfwTmPEO3bOBYJuNQ1fKC5kQpvIngFtCwwUeBuwwErhwWwnyfliiEh37PzxCSIldsvPNt7kg88CKISRQyY9CurjF1z_SGlNN0tpjQoovBSLXOvE8c_6IxOkiqRzKHKJaHmtpumOlcwtobmgQz2etoeZkKxrIHt8yI._hEM.iifXFCaIBoS9_73ly4.WbcnaiI4kiKf9DU4bX.ZiNiup10tD3gFRpwpOb1GlMu85kxTZrJlgVQHDH7sx4dqLR5o_zPCQFH71iCcvWDhomEahjkjewlO.fFhXthrm1Jt7pFhSmKa_1ABHu1r4HUsgMjiY8qntgmGlWo6q8Mk6o41FRvbODYFrPPoPZ.uSdZgd.51NFXxtx.qqJjKqSSJCrK7xtcGabnHRGi5R..i1zNjngszmy8zY1NLAaKvrMERBd0UZWRI2SeJS_PweiKCMmnrKZrFLVpGaGdc6v0pdOS20j2gytl0CGCf2p_Wa3l1wRX3TphenfwK7bb29bn72DTABBidjVbZgXwJJZX5J_o2sXReqhdJnsiS4ItaXT4.EeXcE31ntJOVGuwykxlh2jH29P6Rycf1P6kpkM2uDqyIh3mvrBo98W7x0iq3RvNDXGG1qjcR9G7VmbURHr0zNiGmhnRsz5qtL6TSF0rJXGI3cN_h9fKNWuZKbq8BP8Pd2vo.Z.SsCjfO41X9gJO9fH62IwQhM9y9XjyId94.eREMkcTVTrdNL_2hcNAMHo0NYJBI8fnl5qlQGs5GT6xWhv5Z34RpkIUfNYyyi_AEQBysheYiF_1HfKJiZtmdWN81vL245OZ9Itiethvb.ebZ4WsmLOqC453dbNmaIcWqKNz70uwtw69ysooSpiiST2HXYKhQu8kEMNb9eQ6zqnTQmuD9De2cYaiBJY0zZSYLfj1jBE0blyjFOuEGLtFGlEmvx9WwUhshAj39h4PY2Kcp5Fwhr5YzrK6.boQFE2mZtelUgj6CRL2xxgyA.G1wUjq0avfaF9NXt3kMlnEk432Ixqc8YqeFZjbzhQ5SFLccUfeCaj1MoFI21RPnj8BudZxefZte2vyZprtbB2HQfsgoMmTeDMEm5eo9cqF6BUv8Rj.OR.d_rRAIt3HZzRlADtEO8PWJuuPuMrlGl7eb4SMy4iOIyItJcN1lkEpqeGVAOqIxtAQ8TgccmHrtQK_sAY9z5W7OcKe9ekf..zOfjgPprO7zTZ63j6FHmVxb0STLo2tluOBkrvLh2N57f5hS6gpYPuvygZGV0WqfS9jUQN6MstMa2.NPy3zD.GqWLRdp0J_QRhcm3.n3lsnk7CpQXt1QadnjuY7p09TexcxSMPxx9DfzH6KRU8kpSXjHhzEsmFsnzk2um_i.7y0S1ohdRzwWNBw1uJ5p2vfiSoOPEYU3REweUCOk.LRL878QySnm7XIvrl8zxFDBUzICjeV2ntKFLHP3gh9XMoOrva69_dgbHnS6IZM255Ndv0KktP7Se4h9Zw7bXclQaRMnD1c9x0SPbC4fAhlX89G5GPLJaGH.bkZd96EwOFXezRgSXniJRofhH.IwI3NH0kxbqrmExOHr6ILEqkuhY3puMICk9SirQQ.iKCTbJH3OY_dkynKe04bNAO3tfaZhEHFAkqyso6etbA6_3C55criaIH3nOToJz7i_dFSZiZUos2dk7wsvaz8PnAbaapFKyhtoMGZeRNXIzarCJG1kiJCrJJS8Vb81E1kfjbAzBWhQYm4T177h9p0Lb1N78kvV.cwVg6gOlO6jCFhN87_9G3i1l7VQv1gKd3WEKhHHJaX3Qr61fGSbv_EqwH4.KXlIXlDx0z7zDTcC92npFIsYvq3RpO2pXfAsydO9OZiyY9fiIFvtFR202cwLoCpp0.d5uJ1KK8WRPAqtgQW9w2jWks3TIqi0ryl6dg8_vpa_MwsGu1b1hIxCnJhqguFFWz4BZl9.hpZN8AuOygQcpxN7YZ2TmeyYKPdeFRPwfHn8R0ePSTc4gCKysgtt3wBjcHxGR96osBKl8QPrbpzwt",mdrd: "lc9MenZoR0Q24U8R8xNV.r9pRK8uDA3vstltZf8fbdg-1739177870-1.2.1.1-x7SKP4WRbqHkcWfTFf92kFA.vSgwt7.Yz0KHXtQ7hJC.29jTpn5OizDlcy5eolNZ7j6G3BoeaFTRE4MBz6XaI3VsgjIt2Pa6XLr7imbGlTI6MabQdQl.3GY__CzwNbtJAKp7ulaDnSt9hC0OE.6.36c9f2injTKb2.a9H7Tf9ckmjuB9IyiacFE9kFrF2uEF3nUsYX4Xqxd4e5wuwXVGmf7gG2qPAoQr5thcKB.ddrEzcZU7xu2uV8I.M.JgEbkUafEzg0Y8_YPlJDlGdjMdnwVw_6Y13dK3ukfo2040Uw1zwQ3BjUwxs0IUIL2lLqIGn8ETp7uOuF4P.XUrlvndsF.x.y7es60Y0dqvtJhjDocNjLtZQJxiF22cr1WIsq7RpuCLdge8vjhleb4ZK2DZa1PJsOZY7.tn8dj5EiCsxW3x9UWSkqjRuaFC8FWbUQAGAwMm7qrs1T1cF2YXy2IKkUaGrXvOcnpiNPafuf4EjYkLeKkojqclyP9sPie9Q2oT6qzX.p5ZcKvARWRfuy2oGP6jvx4xLo9F0ZfKhBG3JZ80cLuw8W.bV.2MCdPcoD1f6VDcCKP8RozCKL0UO4eq0elbFAm6PHJ_B1EefDfNMY7pdBxSSg7QQJg8iQOQCUScd6DgXKsRtYxhuUBpDw0K0JWADhDBOdWy8_7REeAssquZjQkimcKVumefKmaqiQseryVHOTfMuUc5SBhkcE7Hu0jR8TTEZoZ7f1Iblp5MAXNIuIxX5xd07qty5m01oetCsOggHYE8WQ3e3nAiyHV2ujJCSFg22oz1H5sGq3jP9IZA8D2rTFLhKffuqrPiyxrT56QSVLjBMqpmCv5EWlNkXxx8iM5jXOxTkliK5IW.eAQiSKGDLkCeR28l43pXRSazPGBN5Xa2RlDC5qA62A4IlR5NkE6ncRkc6JQGwtDf5h23bVz69zcDjyPJwjMPzPOymvmDw_IhpTSVSA0QFmK3nvt7btjL3chXDS8cOUqi3UrHbCzLguVSNkwkFvr6FErocn.E2fajyZMkIisEHbF5RVyQuYWSauqg3xKd53Czu7aQnbn7cxfrmfgbh5b2_kmRhg0ABXuWRMQ_EjDr91l9rg5F.4PLv.Efvn11G8NB.wm1G5GyDOrK3EN8dRKxfbtU_AxtxRGVAZoNF3iGjQWgW7WIo3nF_7..25EaZ2CMJ8Q3soLGHOjnmP7h4ziixdoymY2DIZ_M5kVou3SA_mf79Q_h2rzok27roQ16.mSVHpDPJFIgWmGfaTgO_ZvT70LghtoRB7.PJt0vyF7H0MGFoVA.QKGUGYpv9zwYZH9cyJNrwXWCOrtQRyqVVK9yx5EYKxRSzU_kehYc42dkrsgcb6nUtcsgI7we0LCIxEyQ_5Ls7wxii6wMKCEARm.5m5ua07rRqBsjCV2fX9.Re3YK7bHKLxRo5EH7f5AQv8z9QiZphAA3lmboOH0CtzA3ptog7Ucoobf1IcMkbKNBTUhN3jkGx16cwKmqgI5miYxaxmHUPPcxO.8tv7fRnPJngycXL_USDaUX2UN6krKi8nTCHbtYsLlCLnnUZeKjnqvhZihxEKpEKW66OoGQRVl8y.Fu559Jf5FtK80EL54Pl8WCdQYT6vVyf3UwOCc0PU1Sp6dUS9OYGFhF17_WvU2TqqsVmF7vtIUWw3Syhxe9JePsohCvBW92pvkKVuJ0Qcnsyi.2.xzoT8do32rfdM8BZr1qJ1LTxi5RH8zli9R782x7AwONVBiF4VteYWeZfCb_Flbryc7jTEAHvzzd122YvgUImTrmj.zTgeK00RxeUBr9pk211CG326xyhZ6eQAgHuiM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fae4d7bb6f2045';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\/5014627938?__cf_chl_rt_tk=tjDU3alk.wOpEpNMIuZdew0TUvVb7USnPfImIxaW72U-1739177870-1.0.1.1-xTA2U13abZfzNBoGKBSAVLyNUFoizobf8YqRc7MjGPk" + 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