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-222637267819.mit-edu.top/post/4312968075

  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-222637267819.mit-edu.top",cType: 'managed',cRay: '90fce4155a10073e',cH: 'VxV58LIHg26fj8XjpmHHgFrSFhomnO7kcHRKbOAEnwE-1739198810-1.2.1.1-CZcwAw_pNQ0jlIsu9TxCym3qk798Aw9bOg.JUOb9ekBPYBgy490nN5Do5b3Eml7h',cUPMDTk: "\/post\/4312968075?__cf_chl_tk=9QEfcxoCycPHa3aRq4rLDUhwVF3DKdv1YNQ_DNDNs5A-1739198810-1.0.1.1-99fnfV3KuCrHJjIkvRfKguhhucqAjjsQH_87R0AgsmQ",cFPWv: 'g',cITimeS: '1739198810',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4312968075?__cf_chl_f_tk=9QEfcxoCycPHa3aRq4rLDUhwVF3DKdv1YNQ_DNDNs5A-1739198810-1.0.1.1-99fnfV3KuCrHJjIkvRfKguhhucqAjjsQH_87R0AgsmQ",md: "eH1MUwru0kxEr_9knamtEGtxOvrsteNoB9ZAv2zzVLE-1739198810-1.2.1.1-M3A_DxaAQB6c.Cm36wtDCTxpQkFJkuBiJF053POJhlay_nokJbHdnQ6hgJChZoZt.ILV2u0qICZlBPgc.20LIypJpwAbmtpnRvajk117HfKgBnAHLWqvJrIcYMg5XP9MG4gLSUAJ2eG7Qv.MOsUg4IJUIVXPtzK2LTjEFN.PAZ1uX9CvBl8C.oItYa6WLl15UO5YBDWgsIAufV.LfM1pmKmMgFtOWjwmvQdygAnQrRtEZDdQTGNr_GhZKkVuFJXg5yljwFyrJ5KcYHmTLpO4WCZKm1P1mK0oME3JcH5Yz0nWFMhVri6A1zJf0RYF0aVeXZvPw3NvMsNd9qd8BmHkvJJGpcdGAkoWOhqCYaXYForKIk5FXC1GEVTm9qG4TDJuNLlnbrfxD_FetYH7zllgcGj6S7.0xuYuSMgQnq2tTXaDAmmdfHpyQ2EYrvZpb4B4QfYsBqoqvoeHKLPdjbnFZj7._FNp.LV1E3SRQ6r.gp7Optyxxlr0owHEdj.w8dZZJPRgBxkGHtwN8p8vn0eREO30qUYh0QLsWwUzbWNXhjOhcxRJJjTC539ssLiMpphKhvvuOEwWxPqWt1MORhFAxgUIUnPHNnhcXxpj3ZrmuwhkfFVy4MaJaknr0V9LuQP.EXsZW33rd6A.hnPs77eIoNFpN748WmvXF_hq9nNl.6HnTQJfEOHYGIA29ytqtdu2u4ikzZQsUBNPSwsNI8Bge4rFWTW1T1kIkHFOb0gmiq5mPgUbF8AO0sTeSxnfiHnhWOCZ.qO1BDhQ..9InYlFz5E5_Wv_7BP1Qo23aopKXy39S9oj..DAkhaYB98J13LJyO6b37SnxH34WjMK6Pd8.p6XTjyOybMCizDdt_G.V7NbL_Kv2VhF20Fquf5Us1A49BpKmt4AbpcNje_CEYF.2qXNfa8lMbfH0BUvEp_lF6Vj9nlfoTT7SCNg01zm2sguLbQ60Ji_.LO2bMRvXDHG_M03p.76bq5g3TbnnYZzlTs6Yz5pLe.bVBh1FNVa.1AxhBScVs2tKHwWchHx27Wrmgi_wxiZyVvZDYIIITaH._3Bm5opdXncNybWHIXYPpj9Wpd9CRibDYlQePkuQ3WmJdP5CgtpB2Erl9KsWniWtOLrateoWFnI1r940R_m2RzEYt0hYZpbMJwH6.M8WL3uQsLjMRCS67n.uhXRKkakP3B.gEJjq3.6CShiX_nciokMo73wqKXY8b8qQbHFcP5Bgy0lwbJO6F2FdmZk6W37PoZ2kC_HMf7Sb_zRLYy54dTodnoJ2D7cYSZLA1rUmjQoILkRVJPIhtOTunYm11Zy3qr79bDO3YqcFybNjbw8R4exEpRJCN3t8Vx0RrnLWRllfvMRHA8VRiD3cl.oa4ljebaEsSxwevlbvDsNXHtmU34wJLl6i_gZpmGnzmJlxYWeZAqmRNacF2EvDKjuqmxU0pd.h28upi3W4vJVJwBfJ1mwIGksDNQZoROoXGQpCSiwt21Skww5cG4l.LVidT2BzdjqS66xTHzhXIh1DtEoL4h.DSPrNIov9jM1YH_Wb2p2fCCnjGErQFVX.jDk6DFCsgHt1WSjJtdCol.VKdrLhnJfMItSY49V59HoBA3EZi3yZPRtnQve55BK8hb.wqHswKWe5pctfHZy_kzGJZ0vWV.NGlcEclQ3S4fxL3RMwquFx3zZL6NQdvPUcAtKh_lP2nFwzLwlgcoB_RTzVBfkKjtzgJ8dS2peDHJXKM6BFeL9lrNXh9fLJwTSP6zxV7HlAoK0VvEAdR3hquy8AfXiJ1OoEKCN5zBHCGtSECbI2zkhYihhnvvX12X1.0O_cHuE15FChn0X2Nso_sD2YzJar9z28n5CtZujK2N5RMJuSSHh4wg0phaonElj1FqDGp6VBZKdo5g8msPr1tkgCUgEZA2ABcKcDfkxGykOt5N.Y0z2aZ7bIpeU17sD7yQJOVqPKTtFjXi5yz1UWOD2Rtn8lughve1DD3cyEfcDPlwMkSlI71qwuqs5j2RP9wyQUT_UG8P58tHipA0McJX32mAoDfKJkxo3PPfEqGz7XcXGivtDmnvTl4uDOfKkVGyltiH18Eq7LgKN8qv8sRHKlqHusKOQRxDv6pU3ZTnBcmGhsFd7EeL6IPDPR6ZKg50pXeqEH9OeygGv.dOcIUIGoHft3o6askyiELUPB33c5A4J4Z_3VFdFQ.wUVqSO1LJl1LKFwKNmT5zfBtzBKGMf07.k1QsZ",mdrd: "QUz.hGPR9G9RWXhL868Tfez4fPfeF7DmhtDA.yMlfBY-1739198810-1.2.1.1-vp8HWgpzqiUdeUO1t8jB0OOmMAqGVdtZqPJmaJbloR466uLFmNDgwIiJ5TX3wWtEEE.n6PnuhmUQUDlhxoPZrsr52yGsw1yLzchC_0VYeo_fvSQLFgZBb0G8uuiSik6XF29gHQTqNka0_G9tQFG4nbbZGVflo25H30JVjc47Vn9irUVYN4TuHtdE4KwFQ97bxYar9MIWpUBWFSkL_VB4IgRTdYCV.hbpJc3E3ijAybtF_T8lUWFuUC_kNF1KeDtc75QUKDfBf0zMa_zIbSxnwd04P99kGpv3J_kkGJ13J4cJQfES6XmqUPXwaVrzmfzlLDUJ4rYNxYjqG.2z2uH28m6.GrTHIGKrC9Gqy7GiB1fOq3NaTHcQAuRdHACM1izswe.T3z_ZVYjzFVa7DlQI0gOebxba9lhfEPfoK5ojaHTzDNDuTx5rUrMdCBnWCOK1yk7wkvhoRllxA7QIKY6Q.6zCz1mmg4AtcvwfL317sCOhyt80OtpU3IC.NsV1Y14gi3.XmYqgIP4k1O6_0JZe__iVYT6ljKPy2VaF81ieIsa04HmdvcULBx7CMaiyJwknClDi4Qt7.WNluwawKVshFn4t2i1uIZoyFHi_32fAQhQqxB6lCR5BgYSQwcgpUZML49rvx16D.7Ap9YmAk8AZwoZ_pjEGc9duQdxU7PNA_K_GxQuRAg6lHzbqwVGm73FDu9wiwdsDP3Y8k6zSAFEZPwrO5qn3r.3yCHiObp7XQMbq2TlEkPMzRIWxRBJYWEsirxXdY3AJrRJIf3IiJR0SbLAapDVd88FlPkSAmeranOlIzjpwM.lkMRqLlRK.GNH4apIPBgBqX05dRGy37Rs_YnorDhLGCUUQaXWUFO71451Rn7Q2oyRm.icD_0XZHyRD.ifpmFCK.jLg7xp0M1di1kadaBmkeRoxrLZKy7up8Haa00wDHOoE4MKJE5owMfBPdJDo69vvBIQyfrp.Y6F6xillVvNiZKRJocc4_RJtE0wbYmmBXsnmk5JT3zN9r5vddnJNFQyV.87Q1v2VQBuT.wOslH4hR1Xa5EJZcE_xKZs50Ty2VtQaxGejXqXQWo18nYYxUyeeRwb_JPgj5HpaOL.VousQIjiRutGiBN9fz1cnhq2kaiGiN1TrzPAZj76Og5jN8alDkzJ5DRdXBGBbUk_Uom2dvX8NDJfWLNZvanlKZUlto.Blkk6RTxgzeA2IFW1wpngQ6IbGYIQihwg.A2hvhHd7l5nbSFmTl7TviRIG8I5o1se8QvUURUZfhVoDEY8ynQvbtW.m.dMb9GcvI7yI48cc3TiKSoE3_UNI4XELKdodl7omeriNBS10P1zoDTkPbvxLSjgBCBkJMwjvWOFAmZSF2rts1tvx3Gm6vOsTN2N1USZX6uU4Gm4z7boHoKhHwpL.vv2Z3FcUec_RAqFV87JrNOYwI3F8kxQ1J15bvKiOnlIYr11oNvtl4Og2pF3VBRoiWR7wJDltY5LAIXYuSi2UGw0XKODBMjbFcUb2URB5fAuwcbbL85.MNzujqvJB8JnsSZDw4oJDP_.FE2IXqUKmGvHv3pRw1m8wjlthxvzreDPk4IGhqmBNRKoCePCmDd4.Fd9gAtvZjGbI2n3Yefa4dkKFKr1V0Qe_gy1_orbuuuYwUOiyXFntXCHjAhQJGP9UtzbJWlSzSdAXuKX6_UZAWW4R8X1Z0S3TA.2_9QPiLCfNlaAkNpWJPI5h5_vKi3FpCkf5TuEQqYd14X6rjriE2__TpGGLdSI0GOgSFj8BKLmxiRTOgSiV9jw5UoFJ7iy7jAvWDx2DL92alQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fce4155a10073e';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\/4312968075?__cf_chl_rt_tk=9QEfcxoCycPHa3aRq4rLDUhwVF3DKdv1YNQ_DNDNs5A-1739198810-1.0.1.1-99fnfV3KuCrHJjIkvRfKguhhucqAjjsQH_87R0AgsmQ" + 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