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-6524978301.mit-edu.top/post/3591270684

  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-6524978301.mit-edu.top",cType: 'managed',cRay: '910f865c09986ff7',cH: 'JfuC8pSRc1VWCQRY_SEgQh8GzZ_SVhSdygnh.E.NxwA-1739394200-1.2.1.1-J7p6wR158wS8tzs8HWvVtlsF7NsKxZALSSWu.mxLA.qhBtXPWrclbKLIOd2HV_hB',cUPMDTk: "\/post\/3591270684?__cf_chl_tk=X11OHqzwKQoT0PDaopMAo_XG78nrfb4ZtCKbAWbaNGQ-1739394200-1.0.1.1-adNXVIIOH6iO0O6AhCI_YvfaK5egdG_HrsT4zzO2lT8",cFPWv: 'b',cITimeS: '1739394200',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3591270684?__cf_chl_f_tk=X11OHqzwKQoT0PDaopMAo_XG78nrfb4ZtCKbAWbaNGQ-1739394200-1.0.1.1-adNXVIIOH6iO0O6AhCI_YvfaK5egdG_HrsT4zzO2lT8",md: "Z6AxrstAZVIAEgP.XoYL49z5U1WCH6E5jmSpxUJKZ5k-1739394200-1.2.1.1-dtAwOSFHN8hlxqNgJAyJQlCTN_8sKzFaE_AzAm8C3mkDFV6rVdk13Zd0nEA_wCsxjurJ3M4vAK6bJFzaJC7Hq1LhCz1o1v8Wouw7rCnEyq25dvG7Gb3AgMUCMWvw_WXYJySLWF6LK2oEG1XePUBbuY2WCk.lkiELi_60045v29YPGCg9TmAoVWo26snwbInslfdP7KmKJn2h.u5co_el2Wq.DkBvcyMrVjWrPeyP4YRo7nRi1I9ZJDZwPGYU9ijqWVVRV1W4gDxv.NnI76m4ICGpctwzO.JW2.TpEUjsYo5k0owe.q0KHA16onSq7bxqem8xXvoSyyEnJ.hZru8jm9pU8piHPH7IUBTH52yImCVDoc0n4I4FPl40d.FmsgT.U19PC27Web0baP4Fxy_fLxAi4W6h_.joFq3z_QxPUZVnpkFlheHSCqRCkDqCsc4nAixd8njjvAPXBhhA7j1_MMWeDE2NroEqrPocT1MNodmxj8Wt8ob.yCb3vtYXw2A7Rl3hsXBI5iF58538QkGjYEzd8wdUBunB1VNVjWWFEGfHfyOjYiDSyZgTH0pUGK73NWf.9Avyl1_OIK4ucgknhxLdY0t_F.WkJFen_74_winq5ppzlP5tVkLnUK0Y7R5QRCDnr1Wz5At36PH5HiY5yleFANDckaZNu_TGBk2nOtKv6PCNF7SjXdFLdcE2Qw.BiFrrjKpIoFAhBHBiY2J5OaJdszzBeRJ3eT5.HnLSxKvsbhRUzmAWk0knAfFzHiadxrpkWZffLoqaidMsPBTUSpdx3LxKCHvWlp6RPSGm8ddfefQ5rgLUAFT6WfDSSfVhLSpWZ0W9ClW5O5fD307oVM9i.xEZPPSOuNc9bhYTflzlzbteFMH_9yJgsZp9TvGCqF3atGhzIoB7CgoFjJ689XRcgdnU3TkM3hNrjA9PZyrpFYkaibzRAv09FH7fOsdgHZgM8Vy_8QTXS1WJltZPz4uABujkAY_I3jM1RgYI5mlTIxcfzpxpAt0hwlhPA23J7uPL0F_qsuj.SrQbNTkecoFRQXfphzl__24KfhiXQlqmnnnQ5am9tMPU3MmJ2sDoLOiUgUpJ01QFUTtsRQi90g88xaolC2MLwq.bd4r3H2TRuZW10XRgGPtI.AxgP4RrpWRjIu3QVf0XJDdzT9xxtlKwy3w3FVPJD0sSJ3mR6PMLXPJ1cALpIoTQ9RUF0lj8Ft4XmvYZyc.cVZVjiHaTdTwCmqHl.nu2FuvUWk2KOgn5Kf1GuZgkVx2XPi0Gz.MKyP2ku2uc.LT3RUyOp.9RGnFMrjhBap0cmtG6Md9d.Xw1itXyGm8O48INbDHVNe9hhzDYeL02G6lrTP3pukrCx0m9ed5F_FpVkV08cZFRwblop694rkN.c7vH1iXDJeHoE_fL4Zl7WFrlcQb5vLrrPPXhPXuynoBHxHolZk6e_rTUxoo5SUWsgqd9fbVg3jcIElMJnnco5f9XOL7YteU_kBWqLBAidg_zPDnbozfRyulfhgCkT1szXMEsOtV5iqAoOG9yw25Y2w43btAtkNYc1XUUc96mN28eesYQJ4z17pIo.TTKrs5GaHEeUP0qqZnjFeC.SF1Q.jfmuvbzDidVmZZCtdprJHN7fauMONuUMsWRn.5stmA6V4nScsyrVvIXx08I0CrY6YrgQ8anAr50vfsW30M.xT2GawdatwmFPp_Lg8U.uEaul.3a7hIuVwA85y0CnwKQFBlGwFXHFkM_x1cg9grhJ4UaPDvY.q4MIH3WdFjQa9NcBUsJMrSdLfSJmwC..rTCjWWhELuTlQz0yAHkNbDWarc7IMm2bpSzZqbuMjSU41ooDdhF6B3.zqmQfK6xUt4oZ2lhxtPR0_MOpNmMFRyzxXgLrjFAQWurAtcucucfy8l7mLdc0zcddhWO8lxb1sW5dIzylzypCL_F2NK.dLQRsIQsC7teQRzH1T8J7GpDctsHDYhf3CIyw.TUB_w2pxzRAPeAhRO.aPzHZjIl6i_fVQ1dwc0sMeuTNIhsY3D51fbkc0arpPh4qZzSpS5sFumkD_wVLSAe32_PAPdJgR5qWIJ8XRfGzsToBkLvNXLm5i9Kqx5cowNX29QWoTVn50wT6FTozjqr2h8BU_K.EUlxLE99.U8EWwmXSuJq6h8Swo0.zzBx1M2iM8zcGr2gRw36722jAb4bzYqtKE93FawP4BndeK2n5jsK1U00_hDDGz1B.qTOV3YoteKb",mdrd: "4VNm_pIIvSqqARxU_oNliRGRp6xD6GxaVyIMFO._43g-1739394200-1.2.1.1-LZ5PPhGCXXJUV4En7P77vr3c2KDQkXmYOzFAiWSlqSXjIUBehzA3kLTyjhaXNcwl90_skMO744ZEytJTrIrquE82QvFK0EsjNG5lCuFOh0zSvEnkExB3QXN0SaUoaEBv9N167o.YToF261jl3RqEPbPdURuSnHiP4lwQ02Pl.2h0EqWw0ndqQxSm9bwuqG8etfhWMeHtiLQGoDn9Ki0JrNm20N8yT18NXUdiXdgPTjROLsN0No.S3SrQTNK33tHB7QjLgMBrfhvtevI7cD.yNxaohuUVpVo9CQDXkaUCZ1rVijtKY4Zs8DPgbDxr2i5JIEhWof_TE2W9jBxf7WqBvDZpd40IsVt6V9Y9tVqLrNsOGF008KwNUR2nmtt.YKTI3Bx33QTPJ0jhe8uOR4hg7BXw1klb_c2sw_K5OSVPSuk1l_Qjj7YMI85V9y.SM3r3tRgfuWE_hpvk9fP3tX1FSzoLbgw_ge_rouYnRzdiTe9NNpYLcZ03l5SI2F_fOJ1NAkKiA4Gy2REPD2nduL.i6jXTueCIw49OUv6u8rR_ccDk898JOrQ3Zg9BQ7EunFHuL9BcfNfhW7k12nlQsEAj2OvxMJ9VUTYcPVvqHsKoCi6r3HFe34nam0U2FtNXRCAHkxa3aUicOiSZrXvinVHxprs6aRcrxWhb3JqviAalbcpQHDHYMdYJ7ELSy2VJPnHy3sJ4Kf13APGWcZRiXudcpdFFnCTcxtERyQV8ciT2jRskTYwyKSYzkOQsn6Md2fhwuBxGmsV8qp2bwtV8pTkBqb.qub6autXucAAsJvbH9m5nJOW59TxU34CJEb.C7qfpRBguBzE3nqCvX90PoDUWokEiq4siP5HosX59tPVZ2wHFtV_aTYuIR3CZam4WP.Inwh9oO7sjFe0nWUl5Kw77DN1B3Sq_O_rD4gQZD5Jm6fOyP.NAx1tp5JCZsrM5YlZ.EzK1goQMqYo1Owqhxx3wFyDOnT_Dyc_1wCZGK7Cyh8fHk8RXLC1yDLNwjmhb3Wv3m6Kzb47ja0v6AfabXGCuCvnqqvlZ7aTY4rcc1GqY.G0RLWAuXNutRx4Sc01K2nddFlLwWEzxeO1LSCQJaB0PxOonX4_kGqRBDUI6kVrL64s4pMu3nUdvV1G0GOjH57w30zX7hEgEzAo_x.O5sT08vRuSKJ6.vTE2xP5RcqEq1dsiU4dGVQRS8Ueae._0N3QMkz6NixoG5wRTZb2.qCbcj2sC4Y8JKBOrt3aNGO08pDC1LVkf9RoYo.jbLcVlHlfr53n7MzLEELYsVnYxJwB0Q4e41bqsvEoNi2dnBaqZVga.wJoHgkoE_sUJ88gd5jN.ieV0KqawX7A6ArSizoOekxYqcoKfi0bLBakq1K9ulIOmIA3l9cK5uEGdz6gGDpDAN39bawjvVTj7BdlE7xDTufZi4SmIRM2SGDXe1PfHZmNcCU0kuLEuug_VNG_5GCwo5H_5fgCqnH4AY9YjX7GpcKs.AKYW9_b0BtWAccSZGFlJneZg5mxUHmhmt4XaHTPX6hx_071n.Gv5nR0kSMkgGPYqXCdXn2cbDZ14tocqRx6bF7uY6y8g2EeNswjeS0Sef_UWidwn8sR0K3zI520bpaAYH6iKnzfsONFjuP72yW1gU4m.4NKpMNx3HIeMn7LN0E4fLdfMdquh4teRAKaSKSXyNDLDrkHQ6KPNl5UKhq79RMzGPXekf5BXLdYnlNPcHyemmioXxPkqnH9QlhVcvZ8LC7Xq2Lg.cCuhbz3PQNh4qQM6mgK7fnfVnwV8ykFwCwA4oVZjGynbj5yUEJ6l.MRZ7tek3u1GDfCc9z8rjxU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f865c09986ff7';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\/3591270684?__cf_chl_rt_tk=X11OHqzwKQoT0PDaopMAo_XG78nrfb4ZtCKbAWbaNGQ-1739394200-1.0.1.1-adNXVIIOH6iO0O6AhCI_YvfaK5egdG_HrsT4zzO2lT8" + 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