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-520995449965.mit-edu.top/post/5429630871

  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-520995449965.mit-edu.top",cType: 'managed',cRay: '90f82e532f37590e',cH: 'd0P8D53QAW3ULoRFH6ddTiFSU8oRrPAezQB8QphWHnw-1739149422-1.2.1.1-etEagCV.WGnteRzFlSf4GwQhl6ur6e6V3zKDuTRrKFVimY_essojNfejT0DctGwZ',cUPMDTk: "\/post\/5429630871?__cf_chl_tk=PtwwUZWHYCoH0KWIwW6EEVm33v8AJx6NDEfiLXM9o48-1739149422-1.0.1.1-DfusiWF_r7ABXqGuHmMrBDKqbHVLegqY0lG58m8ekVw",cFPWv: 'g',cITimeS: '1739149422',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5429630871?__cf_chl_f_tk=PtwwUZWHYCoH0KWIwW6EEVm33v8AJx6NDEfiLXM9o48-1739149422-1.0.1.1-DfusiWF_r7ABXqGuHmMrBDKqbHVLegqY0lG58m8ekVw",md: "ntr2JwjS9y1MEJslU6GNt3PzYLMlqTNJotjhiMjGzBM-1739149422-1.2.1.1-qo465PTqo8HlMCrZhjPMDoMZHq4e5EpQVprc6u.XcdziwojYnPpGdih8bNaG65OrVseOVWASbifbp9j3dUidgxrzCCh8kJQHUI0r9E2KFVJ_ez9AcrS59SS7Gqb8m1fR1mhAlIxlEsBcjNAKCo2n4WmyPhCnoLCgoutv6xwHanWgo4SpP.jWF4di7MyWejsxm4bzMQP2sURIwA9hDVEgRdK7zQDQSTorNLrYaulru0GuaxGVkch2Xb6O2nCD9Xg1WUoqGKi9A08yWKCnpWgHl75HIKqToNoku3v226QCTJVDpXRyizYyWuHlTp8bMeFArSaKs75mTpIEwxXOAwSjih0cqQrWDJ2xFlJCxBnpWhS0uS.uqySJbIWCR53C23vm7zOB2jgq.xzSDC3VFfF9b4j.3xeo0qDo.44DeV3RPWvMzf.rz15kQIVez6d6p5Jvy3cMwWVF3ZKRF5TMOxWZJzKY_MIEl8jN0.qjPHJkOscA1r1INNRg_x43NfLYKLG87DFDL4BJ2kuNwDOARqu9cH78vhNqCv5UOPpcR7oLDz8gvh0flBvcij997ArPUR9GadxoIA_8K1A9JN4DltSyTKKFQCW5dQ8FUDydyF.E0aQPvBQhHPBc9276gJgM8qttxuu4h5FbqenmO9CpHmmlQVk_hwszUOXRPJZxRRYq0DhHLBWvNZUDLHv1SFbfDjCbaymzgTKhj62KtM3xBEHrHpfK7sgtNi130vcYRgTX5iqK2oHSDWgDixL6sVHeeDYjtOgsLDvoCh7s8xY__j0rnBoZasQ10F.yvt0KdFmOiTBeyPrK2ZhTMW8fChxJojre5xjXCAxLZxuckpX_nS0DdPfdR8E_jQmo4ZQwdJwr9vUHTOMv5jzoDVEaSzJNN5ND8DxZ85R9FPfFPF_L9HIM0hvr5yQj9YzAbKi.6GJkevPA27_qfkJ1Nhi24PbeMhEwZTCD.AlSKsnkxkd91detydYBrphaQN8R0ajnHKFZMer2MthvdO8AacbzWliIDHge5IPYDWXPJqETdNFuSFXkSv5U8yud10OevDZoQeJxJR4Nzn1Kq6s6Mb1nb2G8omXwjtNE_nUcnpWsQ9v9Wowv3g_YlhkVxfk1kwCXZXUKR9LTmIcw6euqHI7WATGMYMkAyOyj.ppMZHMpiNFE9sLfeLNavcHZeE8sAN5r8K6jUEx.HlbxWChRhK5SHaI1hkOzrA1yUfw_EAKVG_KRdFDpcXxP1xZBV87d9qjVivGuXzp8yl5udhKtJQN7ufKLhZjibYtk4FXOvdeeYEYom.UTd9vGtTSVgpXxbcNedLTYZmr6sh_UcsxszSPaoYCoddM77.VvGrGw5ZrnzlLB5v02OflzZI17N1J3tfeTlU3V0CvUCPy0L344cUnGejeRNDOwa0nPGEiNv6NuMI9pMJZQ_ounZFWpyd37JZmjT_KUkTTP62rXSt4bXOBvn_xqGReWWLg4gwNkF0NS4EddZqzgFVC6HyRR84cSMh9ncOvAaUaiYb3xdkqaeQU4a5Jblh42OiDoEmg3Hq0e.fDaW98gQ72fieB.0bLAPWQnairOG7ZFv.qostJdErCiMwRQJxl7xCoNeUEZXfVBspK1iPpyAh_0psvz2t73n6okkjurN5USWOn40COuBLDQfRk09_ECdPZOynSvVOoNwUWJzKmT3fUwHhnwULNtY8qoG.ZbLDGWrlSiL2NHYuuDyv.je8V4y6UhG1gUBAMqzLrFXDCg2nqUs6mj1vxbN_TCm9TJol_B5yLaQ_X1DD.mam1nMDh_LP23hAbbPdJ0Lr8ol1UVuC46GWHNCRWNBJSGiYKQGenZVKVuIQuyVCRk8qY0YQa54wvmNeeT4yx6VKAoWzAbU34OsWFMloW6_d_DDDhifHrVn8JWtqbFSWgr.0z9xYuu2Z0GjFIlXvasPUt5D_RRUN.TShWgHsvbYGa_QkNHXM1fLOd_bRYWybBOX50ikV8quGvtVBsbXh4tfjEcYqol6HgYCShEF3Q_2Sszl.vWKmDN6svsaBunyDCX5oAKZMsXdPldLg.PhlHDYfIRjtZ5H48hEErgarg5QgiPlxfbg_XKW60QkbsqT2h5U.zhAVAVZ5DlXA1cf5mdKjDMaIFUhBzSkw9mIAJ_97IdSCt8LNOrBwV2CACDO97rxkTgbYFsNKCoJugu1v2Lzr3RCK8JGOj18yMiyapHlFzbvqaMY16rScmJVZzVf3b5G.G3nT3N",mdrd: "gFQb2clm51sMp2V8vPoGpQYCBi74K.MvZTyCI6fDhI4-1739149422-1.2.1.1-0Gj.jTfY1QuLi7HuJ.G9PwfuBf0GHqvNCqeiAARYIy8jmUgYFMnGdmYAPWHgM8XyfkXV3j_Zj0ttL6yTzjzUcGUQy6Luvkw6UfO0m_dexCDM1HVjBL2iCScqiT.XNi_BopUJtcbm.ttZPN9G.IqStlOznA5XFwuXrzhnGq6GqKoihWM4q2iQpQyV1ZjgEpLlNVSXZXdSBBaUZb9wdE2__fmns_aVB3zRJ_vpPu757BiOnsj3egGD0llYMu2yHEAB6VLaLHHTfHPb1evLK7.vNfQUEeytPFuTb_NoUHgB.Lwx0ORAyjN55U.ECJxzLWgpj.OujaxQunWvFOTYWXeqfRG8dp0Dyk1LaPEG7djEtfQOX0NGpY6CjpQyZafLXBoHnMd59ureKIj7cLlXJze0dSLm39Lt1cl9AlVcOJMQxpCyRSs6n5H.KcPKJFNmPY8CeE1YSozw66oO9UJYxrJTccHBPscn8a0GhWsn2vvm18kkEyP7_rxmOtXVu3.1e9kHxqksBk.vdScCw_KkW8V7lLGZut_9YeHtgX0MLjxh_p8koxbRpcdP9vdFZtzq1ApHsReNKuB3pavpED5nWoU55TIJ5yQVYlETxh.QLWUc5dE3d2RZkrjEZhQhb0_qt4ZyolB0VPZ9O9C3hKOwacCUsrsMtXxRUafn6PWVN7ui685hBR36XspHND89MWpgaPL9.8pQrqGv1.VEOiZGt_EsafYprzLBiq1WMDWX7lNxc6TsKCEkL0CjNo3E1yCjwt18fPl5Gi5cWx_H_Tv9zyDWE4IMAa8gk9knwkAZu.CNdJT2mbEisu25WdoGgvxc3tvVNJEEPVPQM1t06L8ZSPmYyGP5Jk69SVDinFRRM.yq5PaWj_oc5D7G_KY50pWAxyOHOF6EPFgSGx0YGF0fLMjVL5OtKtubtG_eRhDWi_PxeIm20Jd1GLruYT64jrT4aIa47czGZQbB8BtioW3ebt6Qcs3oAIQ_i7zWv_rjYMosagU.GorN8eATkJtK0erw44dxGRjmpahiJ34RRMTUilxyLHRZC52tK72A1sCZU8iLu1K0eyjpvzXOK7.xGxroOXfIk_bQFt1x1hBwa4qGkdwRYXY0T4Os72PwUaIo516hHHXIcrqprO.v9hM4fcKpIQG29g_waugPmE8czgSPD6ph2jd9Ln6nbOqDFSUuGQaNyGqRzCzuvCcpgbmL_MEjBlfWqtQn7ij_eWhx9BJcb7MRytecrxd.P4J9PQTchb0ho0r_W_kWy17NfA2wUAMGdMr_XAdvUFHLMgYjSzAv5rHmPRfWxaD8b9JHV7biZLnGLT_aJi08rYM6h0bfr.Xp4liK6vZIGu7vx.zRbZbAK3fyhyuiEnYAKlZnvGYRuvOpA3ZYLQFZMH9yQatmVke8NVUJJQ7aglZt_IZYTFw5qTgvmhW8ZEHJqoTXSLeu5G1JvHfXpj9ktt4_r5iOqJIuYj4FQ4WQ8A956itH.SkHnXyxjXmQ2F5_WmV9_01Z01OX1g1VVjZJ82o6KXOGjtpQKyzEeVK3Ayg1kZsXvu82Qr2q0UmG4Aas13QQAA8IpMCg.Xg4GDO4hg_EtPCQ1PA0JK4MAgZ5Tloq4bnPouXrXSbIgRi7DeOJj15kdTS8WZ.ZigpR_XTjYZxHBbA8XJ37V0w0kOSxW0kasGnNkUE75CJ8vmsowywTCNHO5KQiRfBs4Ka5.UOyZjYCBMKQlnuLoZbjYiCoeR_EOXcjKp6Algtoy0Dwxw7oeCL9WbhdSxXP0kMIXpP2TPoFs5Yf17oV8dUdWKX_pedSWjKfY7ZAqrEraVgNJNGXT.DaC1XQ0nKeVDY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f82e532f37590e';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\/5429630871?__cf_chl_rt_tk=PtwwUZWHYCoH0KWIwW6EEVm33v8AJx6NDEfiLXM9o48-1739149422-1.0.1.1-DfusiWF_r7ABXqGuHmMrBDKqbHVLegqY0lG58m8ekVw" + 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