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://270707.mit-edu.top/post/8471509623

  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: "270707.mit-edu.top",cType: 'managed',cRay: '90f28eedca487007',cH: 'JbqOzsNTeCq1BSg.peFvxqlFUfwfbAFkF.R_gif6njk-1739090464-1.2.1.1-6nI5B5Fje_3mZo9AxtgkNmxmUDHb_syxGLwB06Ipun7LJ9.5Wsi4OeFKjeMf_j4M',cUPMDTk: "\/post\/8471509623?__cf_chl_tk=92qja30QodRXoHePgqyBHJL9a38kFwKNtGiG7v4sGIQ-1739090464-1.0.1.1-HFxxXUufbu68AgtuWrk9ReQ_X7pJk7rcIJ65lPl0mxY",cFPWv: 'g',cITimeS: '1739090464',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8471509623?__cf_chl_f_tk=92qja30QodRXoHePgqyBHJL9a38kFwKNtGiG7v4sGIQ-1739090464-1.0.1.1-HFxxXUufbu68AgtuWrk9ReQ_X7pJk7rcIJ65lPl0mxY",md: "zBXsKdsNq8wPvAovvuq24fjFjVr.zzq77zd245_9sn8-1739090464-1.2.1.1-UTu0zdrEX1T.pu.dHCvXaXFD75v7HvbFtj5Xn.EECZjFK1twOM4g2F.kKjLA6YLePixCStkCk_Vk7nH.Siz3CLlN5DuVloUbK5mdBELZgczJMPITivkthv4pqAkVs6FIn8rIFnYLSqsdsIulviotu4cnuzNjnVeuki2IfbwHvJqvXNIhYO4GFcJUklebEHXHnFg0GaSTLCDUIvuRR85C3vAATvAggrQ0joD2Ewzefr_LF_z5.fe_2JlmTzR0UF84sZKG4w_STilfDfXVi0hRoQ8y9pz2gidPAaMy8EtcYOlbBn.kOhkwKkUgI2_kTjbwXe7z7m9dBXPwTZKa583p2FY4R7bH4onyYWchW5_zUsV_uGA3FNGuryQRKGWt9xQvtDXfq7huT5VrTrheavaMDEcPyOvV24O1c2rwtMV9n9pU4CGIIelgHnd5jNpvMjG34vjvj5pd1rv_fMbL_oesyjOt6VCAwkg9N9ZvjC8cnWFp.LdFscJvJioYv_gTV_hAc5b4abCPPMsQKktf3AR6tcy7ZISAkEOZxVcs_7m9BQVxwq03AV1IbzGv4OxpOQ8WTV1UzIBWhSn1r46gYvMtoPqkIlDzzUKWmpyOpDnGpiUeHW5YBb.kyAlKL5kVZWCsbIwdco2Xw0.8GV0NiPMIJHKns5eGm.2MUMQ_Ow9k8pWXbnA5Z6xY6Nmf.bawoQL_pTNvJ06ZuA2VgLpMJkAqsP_W_bg9TVX1dYbXHY.Cc00s5rnhnQImAdC.XTgrsFaMH4YvESBdH6CAC_US62un0jWQ7hz43a3IUYrCT6iPdfgtmD5V.Vchgw8srAxroml1n0WkXL5yOrtcXOeyV_Wxi9vKIyXexPAeOCgehv5YVKWVQZXeDa6uKPfwQUSSOCqIhv9Jmw.3H723Gcg1_wqqxIP6X96s3.ZhL2zzTe_6Ej19J4UfBwkGDrg0bYNCHwKvVgZq1ydgbkzx4EwnD5vp8A7IM8D23VBE1re4lb95SOv4Faf.pFeVDKdJUUO5bP1o8lD1mbyQSYMEkAlIUzff_2HBLrkd5Nskx0BreIadCf2vr7dTQUIEj4zsd2MdE7ps2CSFIRYVhz_Uw9mJ1ZqzN7ohwPea1rJgfIifxF2jg_2TK.IAH9kYjGMmVqOkeZvmp4m1hcMwhbytzSy1tDFPfA4Mmwf2dRqsCOxD3SMowo_qt8jpc4O3lyw5Bmcopzz6IM0Q1uvvjsEEiduO_OUJpQWGkAFMkFEyGka22jVpsGoKSSBKHzorPhcRm2QVdhM.T4iyVID59uhzMwEdDUQcKTO6GZs1fBqRJis_jRkX6j1z.Y9FkYhb8_RWdTL9L0uumJiyPPEtYA_AAVyL78knZ31k89gKFXHzkh7Vl0ok2yDq5aoxtOKvnG_0XrW_dRq2SDnB0z7HHjIXHxWrF_yzMys0wSag9uTUETIuKZbe7DGk7edeK.SitPoAogwdPrsMHG4BY5CmELF24HfAAtnYQUVhbzztgVYN5yYrMWrGjB7eNzJX8hrV807E0lhpjbszt0UE3K9Ax3_pxRnOdzDR3Quni8FLb2KHrFM6ZkFSDuO0YIXNSAMaEHic8kSPJO9dRQ3Q8HVYMzwwcciHaWbz9EO7dFyoLkG9qt0r123mkoKr8GWvY_sFZE_PVbV6ddZDqKKsn4kW_HR1ojQ2aoS0DKQBSGQ0q7hwIie61NCFkF16mURuoHK5Io7XmlNxWFcZBlO_WJyvNzCzoRwBRGKxplbfAjHbRybQBJOgpvzM0f1aklJvK86Vq3px0xXkUtlxec4arRbdSnQFTEbNcFAqIzpZgHdH5G4iNA6Mrco3Lv6a8.Sa2VB4wE9G0LYUwennCe5dsqM8fI7iPsQM610KheXiVcEigr3kWpCu.TytIf1PClEz97ucveLiHGDQwVtZx_BFCxQ2zP1ANRySNMV1UuGvxXaEjrtxjrS1Y_KMyDwlH_kCUuY_8Z7h34g1RF0zUdExROIfXKSsqt5SaUpBERqBK1GZxZg5tJYV6nfUq4zvL2GOHWJ4Fp6AL5ina9gzNa8nrd6cSl8S28ZhpL7GPOO0ozCFy7SCjMH8zkkww46iWcBZa5281lqrWSpZf5BVsP9QeAFC7WqUxwgkDnVSmEUlakFysBkd9E7_hN5ak5DCda31oVH.xT7lD741ayw4NsJuvKANHIka08PpVBaS8JPl_6LnI.UPUVF0zZ3EINU",mdrd: "yh.10a.1UY_l9yM559iiC7K9YKEC4re8ZEQTV6oHI74-1739090464-1.2.1.1-zTiL0lqcTNl0bprnfdXJyaimSgmDqNTFOyx2XeSei1uHUpbrXECQ0b6nrsBImDjXYh_0rOsO8I72dC7UC_wldzYQZZh72zK6KuTRjOkxE_2VU1uglqfGkPB3HXM6YwuUXaBjHSptPeByp39M3n5FZFZd4C_V4xjLifWrmjwobjEPg7n0nJA.gTcgj7jvGnJ__XBfsYSCB169w9t.GAV94klwTvg1WSe8e4TtV3RqvPZetx56AlIKs_zyXJpjhw4lnw85FvuIKQH_CArC3.g7XQSLp5HPmJcS7rHusSQb6XapYMZ_DS0GH5e4h43ujt9vzsKe0BqcYcuCI3FRdm8CaGqo25Z1zles9P1R3cBKs__jDFPAZ.ysOqgY20i7humLWVGIul8rOcJ6OD10DPtlFEfQ8uousKGggtVheOAPdOEkjhkTRyv5md.M4K61xtAq9.Ug7RnqQOLV.sJCgTl8diu4fL3pz0KyH13x8GQTD7y7vQeChpistmgJV58KBvvxeyKW6gD6uw2jJ.PxD16oW2c6w7FAn8haBdbs5LYaQRrosA1pOwRgDuJKPUPPVqIqSGN6tMyMNH8BdKnVKTqqGZwmURds4iOiK8jlrn2vB72Hl_FZXfyXODm.fFVHLaKkjiwudTKR5qv9FHY_SJFbsPuXqM27YxoSBF2WBWu9NcQXlVDuHawIU_CcBe7LS0lTHvcJ4mF5NahNqLYL1g4tE46K14foh9brrLqWjelGUVwPoA_YA4IAdfAmRXWJpDObJ3jUqLDz71kYbUO1CqKG3mEYlh9uI5M1ixvOwZmim1o5xtU4Dvq0MVxrWf8KeLryB5F4DuYRqFqn.9aLp77NwAF6yYq72fmhtIn3XkEas6cFHDVquGUkuduBjTTQ8Om68HPL.HD5T5eWhVWVX2UU2gDheWAcjBZld3vKZACbWlPqjeRgTZdO0guUeUYNw4XvZVvSO_Lse60Xc7X9lDlPym2YBwmjUbC562hRhppO7Z2vCBb5u.ABxtFZOO4_DyiyAs8zAwZe8mqK8iNkPpuwS3fRcBLTW6fOXlwMpXiIe4UpncAlPcJevkTxVNbQq3pqS4t_TGt4e_R6jalUW6gaI_5iyuLit0qhMxR2BzDNH65qIL2lCgAYxLYWnstuYqCesPThrFiOivqYm5SjQuNocWR7b6x_uIO9H.jN74F_3t0LYWSVxpS7EY9c.3PnueCUpmLRzxzukXhPBB5kxAInIbrlWBVp9XMfaY.xbBvQZ_dKsHIQ75SZemG6qyCqDKiG.L2UTjCtevQeFiKOxTdLhuV3WDhs8JeJSAxiZhWhSokC_no6nXNjTPkJYmj7PV8.yZrJQwDBdhBi7IB3MOqxxfbSfh.w8CRDtOvTl8.UjjFoLB8KMl_kks2fnCuPAWhR1yprCoMcvUK.a6GCqXxatzsQzq4KVShb1m.R7BLVO1lSpIpGxmn3vmYo4eSTQ0T1_RHbUeieIR6rm8jcmDvE37WW7dlHzoxQv_rUCYmzzPRSxmL06wLT53X7xNWvVQeW1DmiKAQj67aXbtUcec1KlPUu9uqtq0ujNhbvm2RFC7be2GAO6Eafz4oEcrp_yZhBxfOtho5EFG4tKIdUlBjtw1vc3WRR0Ief4HoB92W7SOu507NO8G5XPdY4pyoEFxAOlswZYirbZ_pgv6jqk_oCRkwWPeHlfn5hKOviA627I2l2XHlSnI24hP8vsoK2L0N3BfaKNacnb1MRJ3qT5KdHCQcOlbHocWVIGQ2YQ4KnUwJKyuqO2VHHV7vOpzid.jDH"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f28eedca487007';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\/8471509623?__cf_chl_rt_tk=92qja30QodRXoHePgqyBHJL9a38kFwKNtGiG7v4sGIQ-1739090464-1.0.1.1-HFxxXUufbu68AgtuWrk9ReQ_X7pJk7rcIJ65lPl0mxY" + 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