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-affdoeeot.mit-edu.top/post/5319678042

  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-affdoeeot.mit-edu.top",cType: 'managed',cRay: '90f6b2699acb5b5f',cH: 'dGt9nya7LszNd7M.Ob1ZEhXjZXhZMV5J.zJagscpcFY-1739133861-1.2.1.1-IezwhAcepc0ZoDfqGZCHvP3XFgw8OyCCNLsOSEr9HqqHqMVYRHbK1Oiy1aURRcoW',cUPMDTk: "\/post\/5319678042?__cf_chl_tk=X7wZh5kLmkDEPEp1OEtenThqEWWO4NQ_pS4mS1vAP.4-1739133861-1.0.1.1-uy6.DROZSsGQGdYdijIvrxCrO7cHlW.0VfnXbqfk6Ww",cFPWv: 'g',cITimeS: '1739133861',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5319678042?__cf_chl_f_tk=X7wZh5kLmkDEPEp1OEtenThqEWWO4NQ_pS4mS1vAP.4-1739133861-1.0.1.1-uy6.DROZSsGQGdYdijIvrxCrO7cHlW.0VfnXbqfk6Ww",md: "9LEkMKzE74qtwZ6wsiolvvtNH_GSqzVOsFAJR9jw_AM-1739133861-1.2.1.1-.Emeeul7CHUcUvh4zIqjInuONhk8G2ONY_NZL7Jt7GkGs7p8melsXkcNcGAgqautgwXxs.J3Mv0y4ezJbPgK8_yhgqinEqX.9r5.6fteY3p6Ix6kHfkwhG4jBWwo6eU6HMAscgu0Rf0yP1w6f8LRDHmo5xsBU_SKoDENjpvPG841xTPMUL0MkWV.DSVNvmm2XteAiBQt3kv9F11Cdgy67vR8aVyCrymr7wfubq87l1VI21CNWF7WrnrjjnfYJcC5AB0.wuzsvD5onqLBqh0hR1pQLfQP1dAu9tO49lU8x.JkaFEjK7n_KFqOxzOG2V8FLIO9Mls05HS0sylsl.0IipoSOsLK4gGf_VVB4ExzHmSnNr5zc7corj2E5hFb7NlCAvR1fQZo.NG59S6VFUxXp412of_wttCOIgXbZ606S87o8w.4wHUGLFRcqY9wGUNOlYhcc2U4UOSeJSPilXnMhGkAwy_1zkMg69FbrX3PGBfCC32RlJSEIOZONICFQv_N2YXFS7PMY5852RBnd.SV8cKm.iaFxLNkwZ39URIZZfzUkAPVXXU3fFf7RQCo7WKxNqsHGk6X7Q55.loEV1f73z4QIXWuZsOOaBh4Lqqhv2IwaVmotEf5nWsp9AXWG6aNIpCUkh37lda.ghbiSgnIbkaQtoaq9VpXROEbpH1G5WEBYG4PEx6EJQ5EtnrqB.9.PcGBkQrD05cuno01AezAV35_MTio6FfEWLmsA7uIjdw32YUgm1YxnS4uLDIWuaQBrvqFv9o25zXo3hATtD6fR6pn4KG2IgyV52Z8CD6tl0pxkNa9Sf7OiFbxY_m4Vz4BrlyD2ib63zj9qOjr8Yn5A1MjsHdeKhWuwstyOz7TFpHEz6IuI1wLxahlZw7fAgpNmXjTcfFnPCMwlQRbbdviqd0uT5AglTvSFytorrCeFJpYmGDSlBZY9g1ZnEPzqC9hDcVHag7fR2qiQc.2N2rzZUJkc0ve2YejnOMdMI1umIVSWlbmwSQYYKZbKz29gCtmUbt0KjE6usl0uc7ztWFZQuXC1gzATKlF77rjrDFrowRCZ_Gsj5oDIw85g_uwuRkXclDi_VoyLeZZkMZ8uGEYF9XKNutJYxO5LpYSkHdQZw0j1Qov0_pZw5kF_fJpaBlBw3SGeqHXsMupqteMIW1VVeAdK.AT66U_cKmuoCy8Z8ageiZyeHFMO8J7NUDeNku2hSkByo7H2MJ06qeDMlzEGI8aTwIPh03SuAVvKJm0_AsFvZxK1VhJxi5BFGrx71vABAQmWpoOmChgoqMdJuSGJPgYCoWUBAfTWzZ5y1bmPQX7CV5b.pNdcMaOxwzLjv4fRvhmoeMeTZTipwD7hZFXsqQJbYsc3fJcWYF.MZkcqMrjm7m3fWfOV.sL50FPsFRXrC3cglx9IjxR6FFm6jzcYyJqKuPXWNJK25GX8LYQ1XT7xNTTHF2cqBvIonnw.U_jf42_..6MzF_.QTuCkBBMtg8zE6TRa4W05Jq1c6Cd7z8CyLlJZgHkzZ2394Nej2jGZeywkuoDZ0y.PwYetOu8YO3yoKTBQXwQKcSNYFRQClgKTVbIzBtwuNySENaJD00jmj_l6OOatS_k36j6Elm0MEfxkLAfEM7ttsJhueZ_BliIjBvhvwRS1sXf2trQUFleDMxHU6RPizFNLDBZiyP0jnl9XTQGr4CbFzgDp.VVONtbumoVBmpHT.on8gYopZzh.i0nco6uBA7wcfmCVerreLL6IhrEw84MWhj3hXIBVKL1y73NG5bZ3pS7WvUuXLTahUMHdelTh0kK.efD07nS4PFt7UwGZnZCfdgWX8o.wipxLEEy8GS7UmSQ.y2WmJaZwUWG0C.KdHJjs5492o0uBszlN1buy9_qmabiyvz684QmEs3vZ.HfDV5rxcLeooTwuSDBQwGwTgfBEHfNNKlOQGFsjCllDu_R8tfSkw2o6q_.2kvwyN8K8dshqybHrz9vN0WvBTaHoZP2RWqiVxICc8Vl2HIuEV6qpkctsxE8mOMVkUYKQxK6MbtqYwTLuC9osSzbstJaq1p60dwuA7_Z3EE7rC55GQfDW2fXDooXwdZqDszflfekFVcrnVa9Qwof.0N6D2SJm8I3KjnpLVKKeb6ISp1jxR4B9WmomhhgaoxTfC3q7i5F1Jl2FFsD28jVGpAtxRzL6KuCqMxtmMXTf4U9pYMlF6SerKB2vPosl0FXXqin6eKxlkzUpd20SOjn",mdrd: "Jwy9OBhKfMpBLiK_mcXI.pWkGsXu6KCgn5pt0_sC4CE-1739133861-1.2.1.1-MjjrSxzGnGP.U_CNkWDX_3m6CNOLmIyzUDcDogBFnHwni1sBE9AP2HTQngBH4fpfVmkthYaZJuYoP3Z8P.dwpXWFC1b9GItirE.W4ocoGcB3NiyUxcjmByyOgWQYaD5lEF890WdbBM8GNgo8tGG2sM30.GxZv5c650.OdhDiZZHGurZtGsKwYxrNzawfJEFPGksbPPWovRERTACGIMUVGkzXfAYn3_akwWTeLTtLs1O.XV21Ydeb6B_CsXFLTkr.UPDJrObIID7D74hHqkyyRLoOzaRpkjrOJTZ4wc7eED7a2dnSxhXc1Y5i9hhGOqUUqZvV7xlAk9u6PZaNg.kxySMluJBAw6DsxdQx2PDP_dK585l_GIcX.HZCQvwEHutm.85BOMEo4bx36Hd.sSyOm_zZRxaLEm2_S6hZBzLd9uSE0LR_4vo.J3eHz3Ri.s_.LwIZt1z4sjhCBLZxQnJHJGYj2zTTEYVO3xumse1xyGAa.ma8CUWNf3eqi9ZHiwkN2dU4jHVWd34IuF5UgV3oGcYgUW5TvKphH50rsX3o0kDutF0FYx0Gu06jhm9mNE.mtE7_0oaPAJcMMFjs5DECWpWmBBY6J98.TiV9PmycuRJ3isTiNCcqwpMIHJ95L50PclC6mzRVHuw8UiEF5OM6OUUuzzuE5rf6qVMxSxD4v0gqs0UhQcQ1nBdzDNhUZihJgH.SG9_hih6p7D_A.9pQX1NIQ2Gecv2C41FF_35TXg0m1DwZsdguir_yUrUBWkxrw4GrUorezqlhIioPhJ5PmB4AaFsU47d96gjL8SRd6L7NU2TeaAk9Rddng1.zZxvHd1VHL1lOwTFIBXPhaPPnox0CU3BdIPTTEFGpjZ2I5zpwG54uu8YruY0O4NMXy090DsQm.K4biBQeeAL1x_wrTQAnQydefeuLyD73mO3J7vbtStyY_JfK1DfKaliRkLlETMXtJY_KJsLakz4dqyj7zxWEY4LJjrJW3NAsxNwlP.IeOb8u2Zm1jaq7hbDtf3wpFYT73G56mKDxZUDjzBfjFzdwyhbQ1blhiJ8GlxEQ0gclmj7NsNEsX56iglfnPIznPqEVuvJPFFIS3ZX6gFWh8AdP5ET3O6MyR1z2D7ZGrKetmFinKg.CIRpYm91EBKARiWAAgJQvKvkjrjNY1pzS3vjXKdua0Ah2UTeKXdWi_Ge1o23Q6xkJXKPlZPTRrkAYsQXv.OCQby8i40WwO_mHXWqyTHo3dz5QOodN9gmcfqY3_GtmEzk0Aq3oaHPVSivb.I6O9nwBodNOBh9Gvrj1Jr1rAQL493ARnl6yfwx101djTQf3c2.CdYD.eheykyzAzjYpJ4pAJHAt9l3D4TWf4nAXjUAVXBK042ZCsA22ZIeyl.x2l8Mx8q4pXpNQnLXF7GYM9vRj7Fr64pwUxLXJwqmaNEl7oTnpHROtgHbVT13vmkt9mxhxZnQhznsBqdpZ8GFqubbCaD.SLaEsfJj1gJrJjyab8LDkDo7t22nDBT76ZoA5xtWLM9Zhqo9tJkR50wDNTFbNvAWiJx0NH8mIbP1742HgrMSmAKrToL14ad4CW.x.br6G7Y5kN6myoT1ooTo.a8lsOWONCP.1YkkDyeDJpQ3sQEnpV8PVTInQGqhOfz0BWTLzcjXZ.FU9JjwZY0hg3MYwJIy1C__7dpmDZnIjzM5tS8WE75Ugf3lVZW7aqAyoR.yxg4wBSzWjA5rmGV9LqkE.sJVpjeTRQw639zV4NoVCaMzQvXFggtrHrF7Krth5jFZQtAAEj8sSP9PtUttm_7SCfEhD6WgPQU314w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6b2699acb5b5f';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\/5319678042?__cf_chl_rt_tk=X7wZh5kLmkDEPEp1OEtenThqEWWO4NQ_pS4mS1vAP.4-1739133861-1.0.1.1-uy6.DROZSsGQGdYdijIvrxCrO7cHlW.0VfnXbqfk6Ww" + 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