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-affn9uhjw.mit-edu.top/post/9370146258

  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-affn9uhjw.mit-edu.top",cType: 'managed',cRay: '90f36f2afcc40828',cH: 'VIs9_2WYiEvFGlzwVPcRV8nu7oUueTMeuaUjD9nHnjI-1739099649-1.2.1.1-T90OxqdTq9b5JuoRrb0WLK5rBK2uFr1wpPt_WN2sACB54PDUHzcneERsKBisl_PP',cUPMDTk: "\/post\/9370146258?__cf_chl_tk=jTZvWwzBOoiLXyW8xoxm3JHGRJYQ1NMfDV49vbw8MHw-1739099649-1.0.1.1-KNl67qk9r8N3BtmL5FNXlkR_PJEAXCdLJz_NZW6S5_M",cFPWv: 'g',cITimeS: '1739099649',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9370146258?__cf_chl_f_tk=jTZvWwzBOoiLXyW8xoxm3JHGRJYQ1NMfDV49vbw8MHw-1739099649-1.0.1.1-KNl67qk9r8N3BtmL5FNXlkR_PJEAXCdLJz_NZW6S5_M",md: "36DyCA2QcFpdRcs8iWEnSMoZDlsjJVqVMHt6ClM7NOQ-1739099649-1.2.1.1-5JCTyA7L0tf_cSkBj_yeJL19F4fBkvd0JvrdQueQ2BRJfRib5yrxJaPg0m7Xkt8xIT_8GpK39.vXUtcja_jwsfz.DtVq3v.YESebGJssB5yAF4rXufXw4zUeFvkkwRqQk_DrC1Ho5AheH8iNLAzyVwmWxHpSETzfxA9rriTSRkz_WCgpxNhuHw998id12o1l3Mj9x2SIjDsQiWzxrRDSXn5Oonzd8ez4gVlSvH7STx_pnaDw_n0qde7RJke4Zi3N9brCQiztwm_oBLaOT_UmUfBNIdwjbsNivC7cPY7u_0KmynQbHF3j76wEqCL2qh_cj9U8QlHE6rFYoXH_wGS71gwG93QgrBqPsp75gozrdrYRdKfnmEWgK.8oEPywnIuld_7vh4SUvR_6cW37R1b_u_QGL_YqUZIMCOqgZWO7EIqrn76XxhzCZ4tX0PGQGFqiJBpZjviXIopbtNFZF5JyrpWU1tlUmluQ00wxsM0oSU2.SoNFUKdupPWghU92bdsVE_bdj7FUVmH9s4vwuynIXfeC6XW9.f63Aungr1fuS2WMutdzzvsq2oOn_WSMP17IKA0NOiRgNNdVWJN8rcIgxPoP4gmSK1eENh03D8xunLv2sThstusjuQZaeFoigP3mYhRDo_VuYoJcr5h2OBlj18Vo_T.l9rIJ1hXxpUcAB_RxEwFzVOG0tqfdtSnfvj8_NmVZTnVJ1eYCK8RTMCu5hHMx9X9x2462Mr7o2xEGTsfrIPABSF8_n.64Q8_YtvxUIZhNw_C3ldI_2qAOP2raKc_GcY7QOIFczV7G3delffGSwzQE3q2OwBSlIEOQRJ9Ar6rdm1xXSx0vKzlT6wzTcLC7g2oofZO7WbCeNbgNBbkwLQMOOGqP0eZewlAMUOqsrNJ.rKL6s6w9gUF6cmkwAs1rctSyBfADz.BrMdYak5UnPWUKv0x9uY3petNscv7eXhSNoBl1IFzL6cLaVg8_bbBVfaimzmMr3fAG02NegvyqZlABSE2OQ9OnTaV17gdq8nZw79ZHpbmPMX15iJ0mXBUtRvAonj7gCyjb1AiX8_zhgfGUM8fc02IeLAyZRXfLx6KmpDPjvpwjm3kiPKZxEg0sd2e.Uf2Q9771mIPsiGrZuR8sFC41oq2WFZ_NH9YS6Gtbo7EBSbXeLSu4XGfNfoLNgUOi._dldvcWzE680UkchziC3hUewFD._nNSfaRYVjfRcviLiAGcvG9ZpgcKvUP9Bc0L9m3dwuDrr1bnEX8FGsFKJzsvyLoo9EELyZV4_baSBPqxVnd4MblzXEfJqoMhHHT9hDrN7g9LTwWOeZ5J8lpWqLS6EYPWCEYDfACUbWM_brvs1roKFb3erv7BNI4inTHsdCGhpsqBWjRNart7BaffjMQKVl1aX_EIGMqyYre5MDIewULItSpnPSsGV0xUURlcm7ofwSPSFzSQ.TCKfU4P0zktFpprHNOudObH5SkmN00RkAWhtV.2eRjzS3.nxU5ujEmgKbXmsgsV6cKQpOrva_nPbUPUGo.mRv8dRNdf6ggM4gKbn25nIYXwGjzjjjzcYRRG0HtRREPuMCDbZtygETc4ze8T5Vj5UlorbXPBkoBpuMoEHeVIQZW2mpE6sDi6vDUjJRNzk_rlRAgxACp5UfCu5PqO.NJ1WRwJBYWGSAkoaYj9tvz4Uid4TSINheRiwLetkXcJksOdNOQLviMvkX1rhtQmZHP8Qo2l5ocylQGrbODyRv03m8fK3EqRaUi7tqpMi6BlKivXhYsAuzL1xgFuLgifAxeNx._UD4_vcNJOWVlNN9yZR2h2yK19ztcx7H3YV1u_DNeJP9E5c8o.ElGZdJezZFuC5CNSpOxSByVGahw2cJ0v9Enzbq3wSRw08tNeRlXkmTGN1Qnh50XxbJ5saB7sUO8.wB5krSgDmkab4RgHmYdQcfsYKuENjJV3m50.vGyelGiOaD1yuu8Yw0dxWUNKTEZqKnkDNh.hoT2Rb9K9IM8mOOagj_0uP8Ox1z.VNpWi7sQUXlv2DkPSLE7HZE04p62oieuj1OYZWZ4twtHFUr0CefwNlB3DZOa_JU5L5r..pNCfOjwpWFXrTKK_AvpX8vZvEOftfRfxwQhKnGOJmpgZRzY21FbjWbKhWHgx2RIMadQD1SbAgFS1KPgoGWQZ6KrAhcDfvM5tClrgNmT7qBO0MMfc2C3um3egL6UBi1axgf2M3ih8NNkU803UcwJpmV4vzvnQ",mdrd: "KrnckyN18ls46cGoTeqb89Pt_OST1PU6q9pq.uB7xtA-1739099649-1.2.1.1-kVIZ6WvD_m41xyG82F9vtxbjcyZIvaTq1HpJVtXcSW1AI..TqNxLUGbswqQSDauH6XKdAUo5WEWX1sd_em3Z7NPuzyWDtUJJT9u9Sbi_8MBuYa0SxMWjuthfoOyTEtPx.q1zCDsgXLEAXjgsDIv5dM3XrohMU251wQrmb0mNZU9v.BD50e5DvdX2niTMp6S3PPmpWM.CDzdqtodxDMWxJu98sooMcbvBtSGF0U9aWV_xqXgVw7b4VW_JRhpKyKNNTDindX7WYATfxwNYs9.Z1nmCOlsaVHV3xqjRg1yyUTGQ26xIlVM7MMXyxrQoadccIS0DDzHYRDh64.WzPRcGaSCOUgrmNKFK7FJwjXIM3jsmSXiXgBLwmnTsCxCEAT9PVtxfDACCLaOV6Cghs7iYTzoCLSu4I7JeIN1kLqQn3T8blnM0Vg44nCeWXQuQrNUEIqtZI21.ne_Naa_u6bs7fIhjfvvCbn.P20Vm67guBRYUgXHZ9CZMd5qNBH9F5G2d0M9aLujcuUaE9EdJHxMVxFyCNqrJTPuAo8wdMk3KGwmHDiWuXYMu.YaF9feM48RTOlDxvsEur5vAHxiiLautDQOS7WZEyY3G5qxA.dvlEPT8MLcVp9pRXtzQ_ppwuEPo4StMtP8Etnl4YxDbTkWYfO77doIVUjFUNS_0E46GAqGrOj_Qcz7cmbXQicFfMp_6jHwzdzk0DGK9jGr7kcWGG54ohLEwwm8Ldx.h2306O0pVgF2J0OfmDuTkf3ChypcQu3DE0.eHAxh00TfRjAvxSVjerc4Hmn6G4VKi59WPznrbu_.7m7JsA2xaO.OtGHlrCNFZat2XegZ5ndlr_w6LdU0hKKTP8tJgxZGgPCxB8PtQapsv4r.LvzQzsmeKRsGlHjjLetT2AFAWNF76BNBx61C2OD56dM36koB1rqkjrQ4KWOgYicp_1ukwtFdn1XiTIjWrxEPp9W0osmhW3u1lrwbvvuIJi2.rkMd0Mp5JyPwE9K1BE0wH6CFiAunDQ6LiuDwNxRFe3hd130s_I9qsnZMgYHcdUzIEkFEfHTgW2Tp5b25.7Nfdi.Ho1wvqYYk3khvFnQokYz6hzXafxYK4zIVqADLFrQZBuHmtE9PdI2janLDlZE5ODUYEBYObscfSXV.BEHCJQg2E7fs4eJ._yiwm5ff6bIpjNhXAAohCE3T9IKEV9SqO3wzfQth6DOD_HKUWkeLKDFR1MLCIkUblfRjNYzbkHhfstOT_vyjgV0834S0iGk8VAxK8x5Fn2aTMrhd1ILB567lNicn9bTrwxZu10IHHmA3OU3mQGjis3Usf4mW4Ww9N2rfD_mCKvzCIxhjgMHIiRkvsg8FkzrVtG5c5lGuDGikgUoJeHYh_BC6lv5KUSQ9jCUPEQl0KMy5y5.B2yH6GQ4SjbW5aSKaLIQxYR0EuZikNkNqNgwfqbt.iAasBf8cAsgt.8zFFUS6UVXXrMkQNbkl.oNG5NTuWMCQ0Yw.GstdR3uPmKpOcJeGDpHsUaOGw6Uvqn6I8mK95kOq4ETZay9yST5KQqMdyGFI2cbOiC9MiL_ZGadrECCVqA59lYVi0B97Aapinh4kHZd854eVdwJTDLAgrHvlEpWdApXy8gHyc9cy8emztt3W0Bu.gSwJ6dF93lRH.MOEgbGy0YyGFvVgkHp_m9bFwFjYeaTdiE8Dqx6jU3spE4ripRhVa5HYB0CZZxZa2aZ5r4_AqgsQg8afmCmFOlJBrWA19VCSYVKfvb0ox.9p5aalpugR9dBB.1ncbAQ_fcHre5xjLyJiwHmoGnwvGp._FiA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36f2afcc40828';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\/9370146258?__cf_chl_rt_tk=jTZvWwzBOoiLXyW8xoxm3JHGRJYQ1NMfDV49vbw8MHw-1739099649-1.0.1.1-KNl67qk9r8N3BtmL5FNXlkR_PJEAXCdLJz_NZW6S5_M" + 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