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-aff33lgkj.mit-edu.top/post/2081634597

  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-aff33lgkj.mit-edu.top",cType: 'managed',cRay: '90f80ec8abc3c54e',cH: '9C9N5D9G5U67Wq.NHgQ_lm9hwZlEovZn0hHlchvY2IU-1739148130-1.2.1.1-xrXURNmPnzwCDKj.CnKc7Fd0W6WLnKByjOIr0L_vR380RAjYKIyaOtKqrLpmuAWt',cUPMDTk: "\/post\/2081634597?__cf_chl_tk=yELQdaD.BQBralNo3SZIoeMtflX021ykLWnW4GQ7HHs-1739148130-1.0.1.1-Q1pBAm2KCTjqNFgZQ9ZDPcMGQc9hJ.m5Yt2tfnlNeM8",cFPWv: 'g',cITimeS: '1739148130',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2081634597?__cf_chl_f_tk=yELQdaD.BQBralNo3SZIoeMtflX021ykLWnW4GQ7HHs-1739148130-1.0.1.1-Q1pBAm2KCTjqNFgZQ9ZDPcMGQc9hJ.m5Yt2tfnlNeM8",md: "IxLKw2LWmes7CsKGRpjCJUC2U5n8dNumyq2.FQrUwBw-1739148130-1.2.1.1-bLUBMPLH4cQfIUg8EQ8nwQ0CLmNIYKqN8R7A.gYZXsFHPtJY3QpqCLAKmRS25LJpnf_2_8p9hUwDNrFkv9J1GGjnBLC.XwRaenqhLZc25dZQpc0QnI01h4DQNocOPsjxqbauc63d89beLffms2.FZcbdc6SotSTsgl6H1kc6NZm2fhZfk4MTy9NoX2e7UK19Iu58GDWrqn1o34iOU2QvjJ3peaMTFNlfmq7DbakDDqL2l8ISXtTW6DuNZcUSuATX541hL7x2ALX2Ke3dRtFodiuFLQJM4WvMMSudv_8ZgIkE3cJSkrPBu0_4wHIpcfXeLIziuelWl5okYU.IX0cdYD2gH86AWg_IfMOBqAL_3HAetBnJqKyA2f_un.noqlsRMjUbOJ9ZgSDMhktPlN3xBTeZmdHfb7VXftbab5sPthGMhJIeSLpu.UpCxDrj4Yx.F7NM4ZouK3GTIHeQ30t6bVAOKcW2oJtv3Wcwg08DiBilcWdc1WfMaeA8mc7193MNWHo1FtZ1TpwQIw.VullNafO.ZEHK.Qjyn1WUkOFomxpCTvyhfvmH5gfVqi_7Us0LeMvmDcZHo4IdcmKzU7PtEQ7Vvam1Uh.O.tuI1AGZEmqdGEtqRBXqE5Egebj2XapS5V8WPTFRaimjoFgxORRlBNo1dWLjr3y1_NwJyp9ryCns.7WawXHtGp9DrZHY5M10c2OzYq32n_kMpq6Ekp75V6fOAjCr46KtwdyaMEPPzsVFrd5bHOkSYVACpiNK6aDzhrmUWCIeR26Wqx_axjgC8WhI_3bQj4yaFq7iX5eJZv5IFWQpTe5qyKpWHUxBJWLJxVCOzLNxV8jEuzboAhJYywLNhLCfvySH2mZPcPm3Gu6f5c7IY_1o5jfEhhqep7AHmk1pNky0BSt5Byi7etJ_tek9t7gBLLGPuVEvkiNUyvj2Xj_I0X6qCRNuOS784C.I7biJx1T2PMrAbj4nvAXSyfFyE3FffYL1QGHDqnG_w4iEF6Wc7aMwyB.TiDIOtthvQ71YkB4a6NegJfLPEstA1ohfLRRT3ALCsbNn6Th_UYXckxfhmV84A1f3myOP6fx2JXyyz7MC4bvu7LC43KFBlArpaDnSSe1AJZQYU303sGTIhkdXC33XFgFKhRLEtN5sfqp1qWxPSQQrsQO0kZ0077snhYPEb9xXZ30fL52S7AgZ3NK.QJYd4quQrKOhDOebFZWHplZ1iGLv7fGfmZRRf7mtE3JU4nZPRFA4uOruScncETuFrELpopqgS0RdUeUMyiv6ckprawtSMrKH27I7322Zh1iwgUyhBtF.OuYBy9jwRZ0dT_X5Ema8DBpngjFDyaqDVznfCbvyd6tgq_..A.eA9bhe4paGj2oWA5Ej98tGyk7l53IwemGSN8ZOlujSNbGvkkEotHYoyKZQVHtvS9dZqTil7aQJITI4WcI_kKWu9FAlTxYnlowHoe5.g6wAPqM8b5sT8JqN5EP3kGmT3soz.atqp4iw0d325YOKDM0fb.YSV2TaT39rXsaTXfo3yK83I007PnRzwXFUzZ9Iynb_UjFRSXKvpoz86_eqekV3qHSQUIEt_Hl2WucZWJluN.PbteTLa30NnaF.EeDAQZQixuUHVvdc2v60Xj1Lr8R.fHDFmbpuHVccIehPTRSXarPRecAGjahh9XGh9SU5uT7lE7vb1I.zZRbOtfLIeGel97_kM4J91szeWWx9pdTaCgVS8EUXD3B2g.ncWfckLnpbo4QVk3Ry9eIO5uTmBOKQjLz.Klccel9e85HbNt6NFcKdKWdWra13queLLbOzZUdbglxBWkHWqo0Tffo2AqFPzQRa_UH.E_WerP0rnQybTYXoweSp.yTlUVs.OWMun8o1nhzS2BXOa6BZfpIYc46ATKIImYY5u7TuzkrX228DDZjdoOVIdQmfq5UPbZjiRBQWwswLP1Y6_5TA34LlrmPhHHNsdbHBlt6WPO0rJEaihqF8tnQnWBF6MFCBHkuaWLe_rDD0BYM0jSj8hN4eMUMRxIjlKeFmRrLj.5EDZRKe6lbXN8bXoLTcX5O0XdV5nucPaYaS46rZro4hNiKhe7LljwY.rC9EsLQ_DTwX2gNtOYM3FRsNJozft4Ir3ixSf0t1vFpPfYjsypRtfAyi5u8vKGzvUTt9Wompnr1ztLvkPuKIdzT_GiHmVfrwArvBoUBn9x1fcnZvM0PPjImJC0TaZdgnXeswhLZjh0YunWCJ",mdrd: "ZOTIMXQpWqES7SCHc.McReXzmLeVEFljvEZ9qtbV9yc-1739148130-1.2.1.1-5R6RENq5ybPLbAzblb9QeyPkFTX46OXvsYSUDlFoidn1f.ms6DfEb.tIRjkyHAVjehycww53RHorwg59JQLX6Yn3SQ27Wcgk2LO_6GdV7g1Bao9968pe4ePdGHuMFTTd7nJilZgA0mMMvo7M9FCLbh7.IYaO9mBN44GbtOGIPe17vu7L6Kg3cnNHUzSLQCyUTdVf.pZYMSyIwfkZems9LhtmKBTIfPQMXLE0BeNo80k0kn3WsEgDmjBUJU9fG9F_t8zdrU2t6HNTClu_tR64lLBelQsJdH_3sGDl3wUYU91gTooMkK9dLmzDnBKuQ2eqZcIQttaPUhkGyt_Lw41udykqoNjkToilfuvQiHNjZ4Ue0VkkpZcef3GHqP6Wn6p.xR0OCdBGI4qP6w7uMA.BKCC6paIcMQLfQXKKfI4BC1xpbaJOLjYBYB1nZ.P180VLAAlRCRBjXeL3kNDHrk1ReJBeiDkt7AHFzOKFhJIzI_SGp0YCoLZIGR9ATChL_QJ_MOYUHaq9T5JfeTUTNNeSlIk1Js.HT2CNN8lbHJl.sh_zLnN3.Rr0587d5F9JtLIVr7tMS5RfqGJQcpeiKxOSWv.5f0hPBwIJhyfdhRlVVf1HvUhEzE991_DaX3niGOF5lwr2H34LbuU7vmAvuIAszKl0J9e4x_QBOtDuZENEqmh_Uzysf5g65OaH3BN5lPCjOXJiaBGbX9.ykukIoeZ0y8d8c79TFu2eJC7ElFH2KsDEW.9HgrjZ7EwNNJmgEG0x9oryQrf_AfPDZ1YNyGosmEO2b3lmcxbfbLNI2G_ljV7tP1j6Y1RNxLM3Ssk1hqAHjyvSS.zJOodJS5tLwisDAcClRSNw1mYeA12RUrVs8ksxETvqUUDVPDnhMan4ixLkRp7orFdaoY7KK_UupaE_jNnI3TV6bHbDv8do82YBxvL7ts0VHbTZKdhn48ps5oyYP_dGAPSfxXOe56hXFlLSeeCoy8JxzkWcKi8mnYo4Iv7csJ0mU0XN9IkzTmJg61SYpIJpKO36ZceSgYjcnpz07cEYQ8qaJkrMkdDA2fd1kOfKbSoBxDXTIxxErE0PhgACsk0QpQoDFywfh.si1cnqfGjNlz05vwz_himMX5rMonsfxVtfH35zpRTSHdCS.OTcI6W60364oleyoqnMWWY2jNfsWidYvlCPS4uPUwOjX9SLtdJ.0tR5.Hi1BUQ9CE_HnZtyHhUn2D6KRiLk6Usg3RAIY33PNDXV6O_XOxMsdQxAVd9tp1DVNLyqu7P9MPlLfRF69go8wqwiT9giQte8Q.nzJ.gJxM1uEpW6G4MrLPQr98kUJsKDPGxjSM5UXO.lpR4H_j4VL7AdHh99hyL9yVoGyPF6mbVhMui8b1TCatcoADVPm67Z1IvGrnrJCytFj0mHo_0uTZzGCOKTTQ1_XzLKKP0XyN88Swu_dhSGRL3V46POyK3SWY2VYehcrf2l.8CwzyR2_wEvvKu_H1EgY.QXnsivHikpzPsa5Lk_amz3jdw9KgZKUpV5UJSqJoOzRV8tczNVWBcnbfpsPW.LK_Bi.kuU4rZEiplEYhgJWP8PVZjz5B9Km9iJIkdisbzEFoiLC728X0z9dnBPrISLdqN29hs2qBm2uivbVIAv.XQZZxLReyG.vwsUEHm54KHs6Zu5lKpgQUtKUYj4Am9916DyXS8mbuvDDDaZfuXcwkOPG91phAoJ0pyLpmIJNLgcg.NaARy9nhP6o27uFY.UcLnr.sRYl8SKwGXxED9Hvy1rWU74wCZy5P5yVvQ0d.C4SiwZvojXY8aIh.2Bm6lZCw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f80ec8abc3c54e';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\/2081634597?__cf_chl_rt_tk=yELQdaD.BQBralNo3SZIoeMtflX021ykLWnW4GQ7HHs-1739148130-1.0.1.1-Q1pBAm2KCTjqNFgZQ9ZDPcMGQc9hJ.m5Yt2tfnlNeM8" + 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