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-853710710835.mit-edu.top/post/6589321704

  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-853710710835.mit-edu.top",cType: 'managed',cRay: '90f7dcaa984ae647',cH: 'j.prIETdHgm1lMk2hyJRJR7cNCf.2B1jm6_.tH9lfyY-1739146077-1.2.1.1-LsLMYdYFglz1f0mX_fkssR9jJEp24BC8Qdsag1nsyttEH3s5qNa7YrOOZ0NCUWrH',cUPMDTk: "\/post\/6589321704?__cf_chl_tk=p3VhzZCKdgbZmXfVTXxFF4BrIkQCq0T0V9nce7xpy10-1739146077-1.0.1.1-Yr4gZcLiHyrAeJ6JfkwNvq6oXfax34af4h90nXypFp8",cFPWv: 'g',cITimeS: '1739146077',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6589321704?__cf_chl_f_tk=p3VhzZCKdgbZmXfVTXxFF4BrIkQCq0T0V9nce7xpy10-1739146077-1.0.1.1-Yr4gZcLiHyrAeJ6JfkwNvq6oXfax34af4h90nXypFp8",md: "c8QcBbeBxGt4Rj3XXfSf23JUAlSeIsU0Y_8ly2XpFVI-1739146077-1.2.1.1-1H4uHDVXUABapw5BrGtYtmfj7nHqyzK8o9u_OnPdv_VkUpqwzTvN9Cj1MNSC5V4w3AbLpLWMcJQ7kryVXwGjEngWl4G7JfgMVhOXu_xWsgS7AlvZPtrDBcRRL9XmmThZs_dt5ko_pokLevoqCQYBXi79UK6lHDWSp.25.NGFLt_BFyHXwiTVaG1QUd_qNmeShCgFjZ0ErO8O7y2ywcHvAcXESnePuavun8wvJ9NbBl92E.jkKfLz3Q2_2wDweG486dkWsGY4pv0zZIHlE277iAkOraDqBONyKcJU_YVfypsWVoTIGq5b6FHYUdteFmcuLcXDsHwo.iKasuH7TWOM2BJ_HL1zGhdD5tbPcqSsKw.FvhTuXFGyotck5uAg0IUYpau73LFPshOGJjMjCZo0pX0BM69WAygz5SLlrNMTveeqMnty6S1YDi5oJXiSBqygsxIovX5_4FXS.duGSgPFn8c0LdPU8kiBna553keVnvOLxA7Cwc_Zr.A03BF1SexbeKoBFcavg1ytMMzpDxg0cNAp5cbXsbts93QW.myJrfSQYw_nKEIrjVjR7btsKqt49qnUqKLQVENFO86j_3uKUsVhRpovTC1GLIMgyDLQALzZYynGUdnniP4bUDsgPXwNo_3yvnZ3jTdc2shsoaD6gGX3PIotUsUq6d2E5yFux1ALW7s9Pe9tVEYntQqbKrdqywHKQc8Q_ncXB6o0IPmyEXEESQouDjYhSS1aF9KtpqV802TnxR6_6NPtzmJxsuAK1IJfeAOflEnRbR_L3PGGxz7nGtTMCedsdCuJR.PPB8Wkc0johdnSjdMM_QRjZgy3zUgm6cH5jo3PnTrnEFq9mdMXKEzdo4pVuQNtnOUhcFNQYay5k9.kMSt4f9K1QgoCFvfWGWAjFLfbCxvmufmGajqPYM8mAqozsUjuWRUNajseqDm5H2jPauElAXTO2ZrKHuaULADoHAsN0t5LeGJvLJT7FiQ7rCkvvEIZvDuES9FcBrJ6rHfmSu3IZRjo0phnQF6gRBdd5Dwh2a1ZFm8ahfN10cvoRHx.hhZYxvPvIfzgAUPNu06QgudzJwV_2WUuDtBzEplNqUQ4adLdCwrNcqRbFsshSiGaC5hl0yVX.th3PZLrD90qkS88ClP_Uhgu1e0IbWln.FFRl3ib0hEYnt3TdG5NXprC.cXFRNDgnZd_UEw5FU_sQ1nhgd7hbbIxVktLWv1B6HoqZM2wJfDye0.4hivUK6eKuw4zvcPjTPupbiOP4iaiM6vaS7TL_daozMDWUWYuweT4OPnsrKS3ZWODRym_oxxvDdFlP5qll2fvJmj98sHstgP6r7HEQB6vbAihH64zhhl2Cd7G4R1fCl6lTqXiVgO2Zacdbx0viX1zMYwNO_q_YNSCRIvRH448FYPqELJ6Locisg4EVYl0_.7rwFFiVjnuK2G6MqpQmd71dtvBh3wv4ki.83Bq9jn7oEy5pfGr1p22aOdkasyEoJjhvHZFFMUbAQsudsN9fMSL7p4JAWIIQbCuaeJczKMJww1vRwL_o5ojSA.RBusgd7lBO8q2KkRwtwvGQhkhCw6pCTKqLXPJxXqCcRs3bPxsa5hL4UthM0qBZqpw8da5iQw3G4Rmy77Jf95b_.kYcUMMuP3uwOrtcI6I.GZHhnlQ2tnlz2.ndhFqC4Vkf1PWpExBP.Fuw11VBuhtnNRSZkpFdYrjTDoc4u1dBiE7qFRnXmA4IdKo9tZMj2WWqwIVjMcL.IdX7GHeeK5gnS6jbS9_a2PQM36.vCETKxmDeBIQRssoQ4RhQ41adAXZX9ZMFCjN6fBgNpX6JR0s6IvccH2N37vGzl84K240hULrwMzWI2fYd4Jdis9U9pWiZuwhVfjkwJHiXWqmeS3YKb8q8KJ9ZUGIwqpRdSzw4OsLe08baQw0FWx.Zdo1LXg1OrkkirWcmMAcJNElj.tgmUd9jd6fZ9YsRFKXJguBI6KBmUCdCs9TnX_.zUzEBAT_3.OdoRHOQUpFgXSKOvBlzVPVYAChWuquceXN7nQn.yfjjT3mHWQgSIZhWWM43re.9XH4wLRjm0LHphaOx5SnYDs.pLC72YRCbvUatBYK_XLMZ48aQp4S5tluLK4zbaJlVvR3oCxg788y4KX14YngyG2G2IDBNpT0JkOscsR3XRchLm0NzHBzXAXkr3T0LwZ0nX6KtJDRAmXBViZpdWOuvNVpjE7uvjFNRyqnlb_Eftzzu5cs",mdrd: "69CH2lPTR5eCy2o5wdtSUXs5WHjcJyz5A_I9iwOxGh8-1739146077-1.2.1.1-96rnBgw5sfHbJ762Mpq4COHVWu3hc50Arrohqj.RSSDcK4La7IP2dftR7QQBSSuM1Z6DN7GrxUcEep7g6HMy35QFEEIzmqMHKrcxSgvfPHDmj1IV_vRVNpO039ZQpjeVxQKtKkUJyCaLqTT9Nb0Ulc7xNLQfu.S3Wau64oDXBXrkcoThgrpK48yU37Wlpyu5yB.ZJ86nF5TQghWHObYNjV85BjKb6lRR05jl6ASEC1Zfc3oLW1zJvxK5M.tdqeJ_TML4KXJjIxS9beLwNgWxnm03b9qQ0eDvoxqUBxkTXgooMnh2DdTTypV_A54pm2tqXKFq2AVCuvlmR5c6JxQP_Dvs7.eTsrlJRuDN5KDggf4rx8FHpvVKVmiJJDt7QsrSsoOHGuXvjqmOZXnBG0MchVXoNvjmmmFIZQv5pEWa9jseBH22w8tIhN091quYueBQgzWjqjuzVXZRncE0mKxKax0NOyRMDulvExL8F2UOemJan645KYSIHA9E1EHtSDYzuxYYOQKJYn3cr5UaxagOltleJaOqpoS1AZ14Idwb5fJeMqA2O9k1C0eki_V1jJ7WjN5aWgpc4_wYdmC96YCg66hN.khVOCR_yTVpGcaQh3CzCHqmB_IO837Ua3eH9KBi_oa227AkFDljjWZbvqA7dQJEQU88SeyuxcCV.RSg7GeUkWjovfL5_UujPyeUDF0VPvmQIEHuWRXRnFHbyDMPnig3UPobErn4j4nPJ5AFNSx6nMZ_xeq8m_Ehja2FU4kVkgClnF9cGBWlqIMJ.twiP7aFi1wX3rcnqyurpi9_JRxKfFqxKdcXxcJTsGBpKx8hiu2Pcs1vpAULsf3ebMNBHqDDz90.ie7.rycApvLWBGkYGfS9elMBnmwKlOEbGbhJJVgONvs0m3t.908NqaI068XbPOLEDXRgvsRfLF0jLTRaP1noVGI0j3bsOS_fpGGc2GZW6rgJoVVoC1V.mPrNvDTOyDUWKjeFDBqeCFlp2HBl739bF6N7nLAjAR7UFE1ruvmyylPahFMd0sceFJdRWYJI1iIa4gN8hCOLS0Rjg00LQAgZ9mXtzOreO9YyFYRccEaxkUIkQrvn_wqZLKr.2aZKCWrky2xYdsP7Qxyffi0zp2Jzg7EXuXouJmCq9xna5v6qFycx2ZwaUuF07Gm9KpS_xpeTJc27s2Btb7IsLJHy0MCidTJlnOVVcy3dJsxihq3r2pluY5sZ8CpIgjC5wMQbTy3MN7Ekav52.KK86PLfOoIOuK_G4W7lvPKljPpLwVZw_pQbIo2tJ9nWV8C7l2cc7bp6gMxJ_9ds9J.77b5nwywDuSgFK2.ROZPInQscYKYLn.66MWs2CuwZtOiE6NZMwhtrBrEi6Q4FM37nSWioHeKcaO_0G_RHhec4r8GnbSbxFtQLKootPPbLQZPFjoslnv2NoyvLcRObddKGRN5d5u16alpElPI6WoO5VPjtMewoA8x__ICEu7a7zXVXtkD2HY.nYSHlIOabsVd7NNUFLqeeypSNoaeIRg4478EdDa4K6LzzOSrcQsyDjbVT7bhuUQNOby6D3Oou5eeHEkHDDwSYWCwaFiZiIUlJkuRYFfhcMqLADYoBXDUkotKcnI16sofETQj8B5qupE3dv4yKqGtl8sW0VbVtKyj.uTdER8ILyhvxr6C3ovUphTkTMMw8gN05i9NaI3J3.BsJ7TzW5vcwNvJgEP8hx7v7kb6js1t8SnhU4OwD.BRmeN9hdj5YqmZBwbHbQeRLgF4ydNGtcqE.JqcyMCR2xpNJ.wDpbTNX4rc9RTFaNTACWkET5w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7dcaa984ae647';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\/6589321704?__cf_chl_rt_tk=p3VhzZCKdgbZmXfVTXxFF4BrIkQCq0T0V9nce7xpy10-1739146077-1.0.1.1-Yr4gZcLiHyrAeJ6JfkwNvq6oXfax34af4h90nXypFp8" + 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