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-158578375418.mit-edu.top/post/3964725801

  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-158578375418.mit-edu.top",cType: 'managed',cRay: '90f3b38b7bf405f2',cH: '.tlUFM0cEfd4TfvU79Jnr1Bb2o7dNruEbxnZ5VM7hpg-1739102450-1.2.1.1-G9PR4ca3VV8ecfkorYzSQfN2KPdg40aDr5hv1zl.bdWE99yyrCivLdR78epob4ln',cUPMDTk: "\/post\/3964725801?__cf_chl_tk=RA6gQ8nLsIe_wzDdprz9ey3BvmFLltJzcRVjdYNaaTo-1739102450-1.0.1.1-3IVx979I8shP8rY1LyNuVpDsOHc_D2cgdNizpYmtpx0",cFPWv: 'g',cITimeS: '1739102450',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3964725801?__cf_chl_f_tk=RA6gQ8nLsIe_wzDdprz9ey3BvmFLltJzcRVjdYNaaTo-1739102450-1.0.1.1-3IVx979I8shP8rY1LyNuVpDsOHc_D2cgdNizpYmtpx0",md: "QX9EHAIUtDoYxRjai8fGHyuPRfcASAghS.BtabaE3sI-1739102450-1.2.1.1-aIWShkWHdBpZuWf7Gn710X_C_J.guIUBe6xWh4HcZalp1huSARZc2sMvVyvHCfbAa7XgkjC9w3MDBooUnnmbKuLQQA8qfbdpIE160oxr9NVfbKjR7hAqQWLOYoWo7HMhfytf48lVao7XBtFvqyqmmV1ptPZf38_9Y.wBReQ8VIJfzG9r4T2_Bj5_lYgEv.yRvzVDTLPr4suTVNGX647.6DF3ghEpoZHpsyB2OeD.LYxN96bTbN.u7HGUh1QWE7jlSd3Q4A57y4Equt2kGEWPN4r2FtpQaH2tN1ApF.i2GrhY635hEmWcBoRti9KiLIyOEgRd.JjhhYx1vkjviBAeDFbeMzS3ds1HZiPfqz3kY0_LtPbLzX_skscfhTX0HpNzLblKWTZQu8q35BOQcRWOdM0K1yYzyc4c4iCS8EXZ3yMLw0ZdBPPTLk73sKejHCU3mON.fDRXI8Yy9bfXzlqdj8eUypQgaftijQc1fu1fXx1tLwH6wF3JPYZ7y0xyFfyLiEeusf27kN6UgurOKxAFLSR_LnpMo27zmN1_wJRn1UsgXOpJpMZ2iXCOlC0ETAkUX34sdbgZJ9z7fdbPVBF7j761r7syU1vU4npdBXM8nnSQylzijCW04Keesmi7BGo2XD.xCkrwAZdlYAOYQ5DO4KfeYvyQWePFtBDVSgSeCX3KhUdu9fls6b5m2x8FsvMNaP50j.oi_tgeSvKt73mXk_.ONEV_TuQncfzS4mSpHZrulZRtpKYfQ7jauwbZebN_YwKmsIybizPbILMgotthgdPKp2ibsXrEKZrXy0acIct72eTGmoB8WrEviDKNWMPEnGGMbiyAh_NPgy73qqJKxZawELbizuEC0r6aDRPc_5LQgRmv62P81EgMnZmRd3Ia51j1YACjTPiY2xG3X_jSwClu8exdP1W57n_dTZE8DpDy7gdisRzfDWul288TyZ2b9MHCxVaP0tHYnujYhTxAlS_ELDnzAxIUdIMDnOA3g9k.q_h9o86B1DMzdH3x5iht1P9RvWN9HYX4iqd4bmQ_yqg.qBnNZEdBcohPtmb93PJEGHK2SOwrgsePMxqy7dvXLfK5UxkInfPoSsu7_s4E5dVysfEydJIU4gK_bJPEwaFLG5ntJPEGsUehLzsUMseRXXKutM_4cFEcdSfOmtRyRoezpuIBF5x.MWbICxPd_5e0MuqmIqvKWQfJibmwekZHJQhUDhSKL98So48eucYfEZ1z2pGJiftQCBYvekYwWUd1ZAvCN4emJr_psIREgVObPx.hykP3W6hsIwFfrSDHTe2TPAZISRmbPyaHqsCAGdruj26faWKaWBI.W.qlE7MnMqFI.PmXym6FgG0Ewyf4aDClVQVqEKeV4yl2hYAVXReva0MQoKcu6fQgpuBuIN7Jt_U9oq6XDzoocKOvtgfXt21cEmM61zV2U7eXCdV_m.OI1lQCQule1.pz7doYgmVpbayEcYRtU8nOajQp5InoQhIhUq1Gbho17LY7QzZZ41Ui49.K1h6uQypzxtQnZ4Wi8YmNVoK3OrTsaHNwfaPNcralHeMUrLVe7cw0m.bjz5gNKWqT8fMbNBRcquVJSxwezkAKr7I_2iIu9W3UCbqBDbcRHQpR4BtmuAj9CuwBZu7cepo1TDyHxdxD17az9Twk0LJgP5RVo5xtkfwURvODRHB3RXBgKE51pODkbxAey6sRxz_PxqQ.y_sZaD0ajzCXXftwaHCeDt19w7EaBDpKoqF5pJa1.JE5pfvCiQejtyd0Ncd_hsm_vaIFbLIYTPqLdUa_a1hYMYFs4P6YbW0GfnH3Y271P895OEbP_wPGdtzwfPKdkVaMzokmqCYQ081wHQKadIUDl0oylrWUuSeV2EIYDgEW4LcfsR6zxYgN7g6AZV.iYIZZVOaYy7SJuJtjWOiReG_2NPpN5iAvfy5pi8wTakCLFJO2mzBKO_yjwsfvhvObZjOpz59tCt.QL7i8SNX7y8xy7D3yUYVW2bqI.Gufo1pUfxzwqc6oT5x.vINbGS74Ilnbw93EkVRGOPq4whRSXc4sXag.rZEKUDcS1kfiEYzm6zNfjqNP4rpbfBzdmPwpsHd32Bg0.Jmn_yh.GbhezrIY.2j1PZ785AabP_y5vh84YIzWtRLzKhgVgo5JBukjMnzuwKqsaffkPs4tJAF9FUMajd1aNzf2fyN5X0jEM4jD2JyBVpSiceGaWgwAhO1dCrI0LqYs5mLVl3dS",mdrd: "lCvCUSV3KE6RaaKp5ltALMFyPZEnRJ6Ldwm7MU.ueXM-1739102450-1.2.1.1-x2aM2qKNyj0Lm24wNcyN9y_syavMD7Z1l6ixLbeP3hmF1z3TwQXvpfSMWUvzYPyQVHBnDmiIxmqNDNeAuLgLE4iv_H0TmWs3UEx_X5zYeaTxOkkRRC3zT5pca17rG4dX.jWQVmKplsUMe4UoMEdFdWp0ZkiWHaNj4cYEpIQQ1LqSz0uibBlZd0Ed80dx_JKCFUiVTiE8QsyiNcVgj8d2cwRSMyYxvCU7w60uMCI0QX3VYjrjUQl_BwR2vhudIpBVjcfNeFTpXI5JweKs_k7pm6vN1Py0b2IgD5w8nEHY90rVzqPY9d_xDDY6D3COq7SlCWagYHYU46aUt1ytasa6hwe0F81z_HFfB2kuXSKLLHxbi_o8s2DWUnxc.5mCWJ4VHYXLVyK4Dbe1YEbeeS._FF9jXK.P5tg5SkzsCPj7jTTL.5nOGq9JIjdr_YfgumowXMCaHpUIUArB.PGeQY3gTne_dzTbHq2GZqK.03zggMecaed6O4HRz07XCXc7F3GWx38VWAmxL.K9VN79mIdahWep5qXllNWJo4DZPBjPTceDk.CivD_3pIMdGey_dzyWlMh7zhBH3l.WXWU9XK4lhB3qMg1W3iOtXszQzzqHyxc8M.2GH0nZGulUwy1du170C8wHVTGiXtM82GB2n5W60HiO4Nk0IENQwuyBrE4KVjGqbCYQFOlDp.JmsBgJrfumRHVLSM3OlNT22m42NJfDRtqhGxXqZVFqXgwMDSkjIM_7mqTC.o.lHbPcHp4qgllLw5F4vyCKLq8d1kWT8F8Sb81nYCbOFgDARHL1o68rjZwJIKIZo7cl8TlKRrOMNJs4BIjbCxmKrYmJKHvG4SqN09pp1YpkyXilsYZtY061PNe0XxH1JbzbZPABMPlRNuWAEtDpM3EnDa27S2CiCw3PKnRaUilwIwODCuy9QpAGopYnQYHZQ93OJHA8G6D048BO_UOgJtv8Ip_TdARIi9Cm0cyWrs86BtO7SBUzrLJj7MVNX_z9BVp4Wdzk8Wbq_b4L8fINvCqP_.1rul4Prbj6JWE_S7LXNum24_MfxAuaYKohZhtIUVjd480SJZrjWsgo1d3rhIvWzLaGHkRsppyqzDQthUDJyoxnYa62oEx04aO3HnTgGLGN.Ut3PIXm2eMX6jdwTPg0mV_c2SmJCkWWNRMn7KDY4cPMNCRpp4Y52JVPLCXlTMLjZ8LOJIVg7zo3YjOe3QvLiHevlHCyXy_7mBZTr.nYODaQSaIHxkE_3pUKnS9L0HLbI3HMgyP5GyS5Bi1Ef229ZP_Cp04cGBjaeVAWrRK7dhbsgHiYA2E2L5s6JYLfWJ10VfMEjN4c35sXn6bK8OtljZtfgd1mwgzUC0loFG3o5h.SlUcDxw78_uQyroUZylbO8g0XZKVlqwxGonIhRvBk1t3maw2qSiULgeZ38VQSLcR6zJmv9bbb6J7FOZyEiAo0OGHOgGqueCznGgI6Q3shXXqHgI0mxEMsdqGxRAHP.R2Bw4JaTj3M_oGZfEt1aQBQbl2c1osy3YoaUChFoDfbBUkxzbTZdaPTFr1eV.XI02m_LpQruxNH_xuUim6MvRhX4ZesJ9wN1r_AZ8dXeCxwUHML13OA7NPDcsAd.psHZQ5UIsAwr0oHnK9sTqNN5rbTJOvPdIsACLj0A2u18if2Ac3kyAtqoSHy.XrH_DuA6Npjzq2IOhiWe.GLr3jv8trFUY5p.AwOOuZrA.pKerJ_PkbbUVGBZnTlfflshm_7TuXqkX3maW_VBNEZhmgxzfpz5vgPPXzIzveoyLHvLONt9oqFeFy6SfuZX.Bg9fG65w6zL2LGtfYIuBQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3b38b7bf405f2';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\/3964725801?__cf_chl_rt_tk=RA6gQ8nLsIe_wzDdprz9ey3BvmFLltJzcRVjdYNaaTo-1739102450-1.0.1.1-3IVx979I8shP8rY1LyNuVpDsOHc_D2cgdNizpYmtpx0" + 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