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-003269878085.mit-edu.top/post/5071298364

  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-003269878085.mit-edu.top",cType: 'managed',cRay: '910ff4d5ae33f27c',cH: 'gT5oJsNkKpCqV9S3BX76N.28p9uYdaHBTu2C4bSwQr8-1739398726-1.2.1.1-Mfz4IPJdbKQ3a3DrMHl0MamlH05SjUa5F0WB8VQwUetzAAufvN3uUBMPfChc2nmU',cUPMDTk: "\/post\/5071298364?__cf_chl_tk=8nYx3gvJVNIhhKdgM0SXWHJuKwK2fvLrYgBtJtEelcI-1739398726-1.0.1.1-w3j80XmyxBdy8R2h.HCezGXfL2lfPckuRSKX9e9qbZg",cFPWv: 'b',cITimeS: '1739398726',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5071298364?__cf_chl_f_tk=8nYx3gvJVNIhhKdgM0SXWHJuKwK2fvLrYgBtJtEelcI-1739398726-1.0.1.1-w3j80XmyxBdy8R2h.HCezGXfL2lfPckuRSKX9e9qbZg",md: "K_i_qQ1PW0Rf7oREy9Vjcr6XemijAGrOZG0ZODIJ4ZE-1739398726-1.2.1.1-MDBSBetiQx5arMk9UYAdbWSMVIL2DZ.HBR4HDql1y1YPfMVcyssQkv3SvO_gesc3UelV.4MCZZFmEhWX0wxFh.qk8E5VzI8xnOv6k68076JL3pkUzPaaqCRMmoTR69xgHcnF9JkU7GcyaWBNGuWS9ogE8eAdvlzia6rgGuP3KdBMuK6hxLGc_fc5O2Hge8Tok0e1Y0HsSPCM9k0VaOmQ71wjAzSxiWBKST63m5KnwCignlWanH4VgLvTQdhlO58GNZyEOkvKgqx7zbwuHmRUXhROBEWeU35TY7R8FtrQEoQEDduQdI4L5WgqQ7H_usOdsHdV_b0T6DiuKTvkH0RZF7cN_RYs02D8x6QtQApT7K9.8EpUu2.Otu63y1WUp5VIvXjTbHMMj7MRTX4egWZ2WYFk6Di1K0uU9c0mZz3xx_hL6o9mZ9i4HsBbmhon1OrgH6llkyQJneOWmbPFiT4VfIMNHMB8xp7G3c7I6i8MdHKeKaS3XO8yg_v5n6ZLMbBwM_zpQ4VLoF2vAlUaIHJhyOKOUx0TKSr1ToQNP.Mopz1A0vsXyiuIzpvZNPFVB_XpuF5KJ3MkD3OejiObWwdukv18Nv7Z89s7aYAulGvZkY3GLWglecyypYfnUfuXGKfRXhkyxKjXKFDmaXWMZB_UGWjWpa43AUijvxWV_.rReE7qbfShzQp1xOX.vnl3eRg8saRZBMN.yn_o17aKq8yhTKEIgQ2aUoB77mMHts3crvB.O.vJYRkmiBqOmv4dyC1fola7cYDSyjaT1jhCL.88swISSuIxpNRurLhM9Q0vA8U7TZ4jbMkKc7OQd1OZmtb1ecGMtsLU6KDZZNKBqPYRbn._GKlHhG3Utb1fzwPJvV.dc.m5VRrB43IIyjLM2E5isiKYsX1HSWIo1LKSN41jsjuNVzMuBDYf4Zt0faaUjR8e8LKGa3AwRWBXar058.NkycOMTnINdNM5.vVFJF6FKKJqE5sSJzAPq9TPWw7xZSEB9BVyzz.d4.4m2cnxwT.43xzx1LA9apEZuZ58NBNFw9qJzm0bgy.uTKnsOALazr4kSNhWaz1b_2DUd0mjTG3cDzZPHk9zAnRmF3f6uma_u5pQj.x8THXX51q6qDg97aQSR9WfFGTPmm6jHVM5jZwcXFrK7UguQ_G4pmiBOtk9JjAFd_Q_y3sBaUxpfJCobTgY0fu6OEF.tDqCBGrBJ5JPf9mtIs4R8lBlWgcU7u_EeLDjH.Hzdm6H2pSEZnNEcZKkKb44hdKZmjJWpPgA9xdxspUN_2JhWAZG3OjNsSkeVu8Cm67AzMeQrorp.xfPx5DaswQVO4KFiroNmb2DE.0yZSMUBumT3FVJpsWBNL_okCPQgBQHfNVC2OVwKUEwyUZPjvmnks6i53Tnu1.aIJdSrjDokSeYYwf3qd4kIYxzh8ShesrUUSQkwIaSUVB0doOn6k7hiMyp_xh_lgQscoT7.XAkCwrftEf171k.n0LKfgXA9uqOn5tyebnJxLNtJXrf4dBNT7Ml7ksktLrVIHDaaEzrbJ3SQ7RcDUrpDafnV.TIuves2Y5S0LXxGI06Y_Fbcq09Wm7WuXdn_knEplRes1emuRE1wxOzAJ1qgNNfLagiKx449yMDFhqLspYhbUi1Ww8e5CDi8BGybin7ujodnms_xu6dQtxFLzGBQojeFR_hotC7g3g7Hh8P_ZOWaFjOI5u0baDiHDTC3xbVcsozaUeNmrs3a2D7x3O14fL7ztt0Pu0t3COU.AoeNCTm0q1CLyM5JsnKAF6YSubbQNQVI1wMzmy7zvlQv3McxoS2F7fSWYYTLVc_C439aqm4egMdB1KxeVgX4AW7hEAAt9HDC0ZiUCDqFBF.WzfNdwAcOqGE4rcb7dgdCWAZD6kYY6t8_8vY4oKflHXMmabrVYoGpuewCGLN0KVzJzUkPpSFKp.owG5619r647RGVqcqKFp2MCMsVobuqFw8q1YFp2_RE0Qa9JnZTGRJ01xlwAAKN81pu397cn7A.E3FJ1Op_fUi5V8D9RKn8lbrgkOnD_PlVs6YfJraAQyJvzJ75EUieJisy5uj3pvfv0aKScfG.b0HEiy7KlMX2xSlYDNnQB8sW2H.68z6xaK6..OG4v1VoBJ9Mazpwzs3cZSLAJgdA.eMSiDXGP3IBnxWRUJ5aIi8bI6I9R2mels29sMCeW4OBMdomhBMRWTmVizxb2vOetnCepG0dxB3XYOU4x49mB8M",mdrd: "GDqPNON0.x3Fhn4_szg6.0c_cLSfKdls_gmzbaeOsp8-1739398726-1.2.1.1-Okv6TIYwUjMOAJtYWjbsT4NtgYK_pnDwgddKJkjJR3gs4KPcaWhjmZdhevTfo4KYN4qFLyKjjm5EThYQPnWfg6DiyuwS_yVkud6r9Y4cXEGzH9bF_FeAezhaU9QKi_HCDZpyXqMsvxkiVGFGQ9DdkfjUzg3cUUMdBU43xuMdKP2OHFObHf3iIfZm95rSY5azsF6ZfoBlEd_NOstoJeLqz5vhEUhU3wTLZ27S6tY.2R_mKhdYHB6.X.7DRQQjXYAam8xKgWthN.fMJxagDf.DFnlSfbTE8j5y4gu1adDbmaQzPVekyVlF8lFSs5FviicimMK2Ebx7iM1uS2mu0GjhqHp.sIwojsKCSDJBub_45Vhd2f3KRV1t8xfraDSN8813YGTHsR8ugcHpkZ18vR9euBRwbStmTBlKFIPqZv4Wkfw7V8gMI7Q37TtJbmK9f8YR19.2w82EtXPZH9iHbv5Yq58SI1HYZ.cU2B8r6DAQunu7.NGUfJhdY16SuIkFAUbvYSVKMPq0j4h3QCOPdA076OIeEokxzeBzZqFpabrDvSTtG1Lbx6Ucyi6s0IN9L2kNmG6o1xt6mkMSzjXonTe4BLXa_8x8gQLWiqFUGAUVuIYn9fA3F_nnbPA2wEcv3s7TzfhAn7g_rDiS9Uk7.Hwj5t4vkq7sqD7vzTol1rxEOZZ0gvNgjzC1D0m.FYAqYWpiwtcFRh04kWX3AQ1qSHUdd6Le0QkSFVhjuUyu5klxg2XR1gZhz4GOzftC_NvbkM88JvjKsbWuA0OwtnBlpg4OVwcBnB8TQp8_1b.Lww3rEGVaqpnXAd6mfmM6RhQDAseTOxzXNFD4_4gwxtgIjjge2RxMllW_wlN0Q4929igTqR_Beys0B9UHWOZYPYIhGprTObqZvphRXYtcmfLyt8QUhE75IoJTjDE9aVbUHQALXrfT11jy0OmDyayqAZ6EvAWTk5tqoZprONl2hcVCgIBQhrTOo8mRSbWXekZwm3ge5GASchiKE_WcCWWiPe8EXsJIfaBrb58uTwbJjhZKi9ODX5NH39evPSfXbNPoN2j0ciUeeCD1IMu4LfG0TsUFIP3rBEhE9lq2Tt0eDzTpFtf8kVnrgfzk0LL1_em9r4DGg5Bf7RqQQ7Z5bXaDVfKLvC6dOlB5VGbxZvklF9wy3qlq0YigXgktr96cQcBSu_5rMZND.1dMcisNF6IWvn0czXZZeU66c_E6v.vPd8yHseP1MgaxrExn6OqCS_fvZYx08jBBkRUprqGxKPRIlNXmu.jQrP_oO0em_4Y8sonUzZWK4ufoKExO3IrvaLaSU1UOrmPchnLWELwonFX7AbtdW4l6B4iM_Em2Ieuw_rnZ_pjyZoyTEjB1WfNTiBGigx7_UedSeWJ98JIw58fHKS4t6lh3D4QNlveAFHHIy2aSu3BW8HE14AwvDZG37J99GYGoIIt3Qn2rPVwWa5mEDzfJ2u3RLoNfGwHUefensK4WZjdYUmejW9xMy7ncP.xZLgqh2CUPOwAmHtL1xhMwLkoXzgP1z183pUFv5xhYq5wLhCO0fW9LiZea3uzUWDf2sPx9F0Y.IkJW4TakAw36jjy.iDHHTrow.SbzkTKBkRQa8iCxXVBvn3dB9T1a2MslT1kO7yMMpxYa3X2ljJS8kGsqpMAvk0nZtHoyQbjEjWxhCfFOGypZdxM_R9Ffu9GoJt87CVaiVWnrGKUX8Xuc7vVgDULPvAQ7CRDgj82xWvd5HdzsM0vqclznzlmw.9sYtqzuVp6VI1nZKSVvkO7SfR4xOts_hU1d5C.RP_VGaok93cXDkyASyPIrX3Ejo5QJ8GBp7J8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910ff4d5ae33f27c';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\/5071298364?__cf_chl_rt_tk=8nYx3gvJVNIhhKdgM0SXWHJuKwK2fvLrYgBtJtEelcI-1739398726-1.0.1.1-w3j80XmyxBdy8R2h.HCezGXfL2lfPckuRSKX9e9qbZg" + 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