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://900503.mit-edu.top/post/4856039271

  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: "900503.mit-edu.top",cType: 'managed',cRay: '90f7c46f2b3d81ca',cH: 'jb9YnxR6e5ILEW6HttXAdjtzWEye1OWSNQLYNDZD1i8-1739145085-1.2.1.1-EwTTcnrYo1MZnKEEccq7rV4BUX777Xt89mL9llVt1f1M2rXsXXGsFfAZJhgbtHZm',cUPMDTk: "\/post\/4856039271?__cf_chl_tk=9XY_P416_5LWP2Cr8T4573x5Sq2gmHLVFWcpjvim9Es-1739145085-1.0.1.1-5AwU4eVQwway4hz7417vuVNlhSAkb_Uhm6jTzg6q0Ds",cFPWv: 'g',cITimeS: '1739145085',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4856039271?__cf_chl_f_tk=9XY_P416_5LWP2Cr8T4573x5Sq2gmHLVFWcpjvim9Es-1739145085-1.0.1.1-5AwU4eVQwway4hz7417vuVNlhSAkb_Uhm6jTzg6q0Ds",md: "RfEZrC4e1VmD9ZjwcYyfmkwGjUNpLE.yygXM2nFznTA-1739145085-1.2.1.1-aKND11mO7hzV_AZnUeF0xWG0zVBboJrKsi4OIJ9Lm.T7hxrxPYCubS8vOKc0JbrA7B8Mdgo9LuEMVOSV1ks6sQ1sKSu6hpYQJ4E7Z45AKWIZWNAMINx1CJJpuWfd.o_JBy_A27RvSFH88GawMVp4RUFJb21x2N2.ovjprfKk2ODC9cKgud0IoTI9GcfsPpAjUfo9lea_OzaxEwXGPwh0nxiLj7o4hrWRAZvSMUKE4WETo029dRimxCScWg4AdM.1iCAGYiJqtWl5VfEBM5pfBy2E2XzwrieevURxBbOaFtSmOMvT5u8p1IQadmfBc95yyiqrZKm3crJLd4m0PuL6elW6ksvf5i5ozyzQt7WjPXLNcVxWbGHnyuOQizwa4Hoa3VcgbNMeaXW8H7Oi7KsLhN35XFm5thYCbhk50Y2kj__1tXEP6kb2JUNQHy32ZeJu.5BCJqYRUiPNiOx22xE9A_2FNrFkm5dsFgtwwhRb1o1Wqmylft7ye94OHIgubZhScNVdMgLZjP2EGfDEG7C7owbnnqXaoLW1wjzPNZ20y7HD1NyHcNcu0mc3frOffZC4kGpW4XYa1P_09hBHJZ6ls7CMvkuIYd1pJMK6GgOWvv6f6tNlKgtxD3ef3PMqf1b1h_4Us_RIeelL1VYsyroKqy4XhUiEZF473JgSR1g889DANUXBqssWifmM2sxqbTm5_4gSp16p1xxoUm4uxvh4lq2hSlokbLZbuSn_ueSelWvytSFfWGmDuwJ9Ig_E8bQae1khKQsRkpwDOsUYSf.d41PniSbi11JQfWLuzUdGgdb8tqaVWqqlERejHvOXt1HaaO6VJdIdHbSCUQjbJdXHN_bBLdxz.Hs_9BZMgHXOl.B5pyzr9M95PGlgU45lkt9Mfexxz3eetZEtbwmegrEAMM9.lu76PW_x_XH.QMTJej8ZR3YhZh0zA_4JtWY5EZFtG3Ko8NsxkIjDMA.WbyBKP9NjIaAI04p5Zkb5XZNdQLOgVoHyYb1_sSfH1ynEce2i36IBeqMyWHGU_wFMGz3QPHpaDT7DOL6qr96O0xmU4lyxTrFq6OjkbfJzTYC3lERkcGrV13irbaK05b3NtuM.cQepRqQG0gNGiii3s7APodtuWSqgDiwr0odLpca6LELJrR6LXoz7mFcNs2t.QsGOhU8fbfwIdWfBcyN4NpSioBMz9xFx6TUBwNPePXurqJA3oWquN0GnJcjW5pSXDmo7etIpdxWSvRz9yBBBZFoY4rMbkK3SStKSeSAdUnskEBYwJwFTF33kw37iQ7Vc1aO8JIxXatywI3L4KPeLM62L0m7kK8YJKjc10NcbIarc2OsjRosUAdqNmMfpqUxGSieQuGJd89wk85dB_kikD7e9U0PdPTUsevaoizhY4dnj1Kbwp6cyIbeiERn2qZ8SwMNcUUCEQQH165Nr5HaJrNHe3YINykjLbPzthNfg3n2DdbaO_68I0g2.ay.0mLHVYSL7tAo3dShAVCsHw0NbteGLu_i2o05hCVw7OuKYLvF50wCzyynj4HwzLTuEKUtcNHodk.y7z2oEGb80XX2J0dQAS_u3tWw_RSBsPJIJgB97Ht.tG7vLXEL6qP.bnJH2qC4AATweiRnVVSKAV3cfQCW0QRJf.Xlhw9N6Dm.4kNonmQRGET8LQqD5neQaW1iRb5IjBSR0lFmUY6onW5Plqt8mYXTmLfHUO.eYcsmup5s0LeU8xHjShKb0lJjAzwNYTH9zc5LDMK.EgnxRHzneypJUCpOUJyjHXw_8QxUY4AY8eEzx748AjT527ERoxNlR6WP_v3xShZn9rKUFzK_hNDm6JUqesAOc.HoZ.zbIkuDRXVhCMWE88MfcjmCDUVt90nDuDxt3sTmwVW96_MosvVyigJQQs6la1uqm4Jg5QzWUScU0i9Wwass9DZI1fPIDT0ifbNoQpk0KWm8juBKCnW5r6hCt1R9xsid91cHCRXbp48ed7.riNM.0n1t_9rwoiVpaJ7bqluFUkVVuyH7t5uvXm0fA4SWR4mV16GHFJez6VHsz01dUfO66uebtlLfJXL.FNwcnaVVaM8tUr.SBrOpSGA_Zsi3wBnHUtePgaNTsqUmXFDNQWL8yVyoig9Wou3nxwalgeZNMi8dLNvlr8u6DGpJ742_.mLEqIfNSd1ZPm2ejl2Lrt7qhjgCX6ybqRnnLQIGpJtElchaZ61nFlWE.BkU",mdrd: "PORGWA4YOL3vviV77TYxb1a6qQlMNz4.VTBw_CUpkro-1739145085-1.2.1.1-DdQaOXj07RNy6fnDW83QDXCnGy8UXR8a8KiMdeTnUU0vZcjPYdvjsoi_igXB5O.jHlx7MYqwIymzUGUTC6uh2klXNkDa.HvvlLDgdUuVQgF0SoY9XWBshImfP7P9vHYu_oyuJTeXO0ZucvK5lxou_7lv1vcfL3UMZZnRhXuTfm8MFwYq156MR4xkaJPBWwPGGiLNSATJY86cWP4EbGQLtQsneh.YDcy1Y12.iPwo6VqBmHLDlqn9UNYJ2V9.ArRFvUubMThmZeDJs3ZnJsty4ZLaCuBds4A05iGyw5UnAfmB7DbLhX5j1hGmf7UFuf8eEHJaVvIaVTZNhzYuB0m4xNwqRCCZZBEcDXoJsWSaZro4yYc9vn62p.yaJLCUqq5EpoC7zhEzgj0OU3245mYujPvS72J1K55aQkvnek.FA.JnM2ZJxZlKhGBt2LkxSqwy2qk3eCHsMEesLE0WMUjbdp_.jnwOc6Rm0jHrP9rucQ20nIR7JF2DNXglCmxE9ZXTvzrnH9FTRTyJ3vNHnsbziHJ8Q4cs8oHAQFOQd1JKBHoOfcDBfQym0aTP9BnmesS6LoO.k9ZRSoWNBaUxpOhDlf_kiyBR8W0ZO0hcOIZF3kjSKCyuVj4kaQNvRpbUurYz59Gh2wpzmPpnFiWiRIbzyrWvEQbmf_fExVZCwmk7x2DAFg.G21mrNnaUqY1XpmpZSNBp7cbc65pJLj.fGBmQgGXf6MAfgIF6bsvM7WJ4q9HpBD6fnqnFnmrgAQQKjP6MeQhNzJj9nH.cz5m14esQ2Zs0FSarvZ.zyAQqskvuo4mg6To4lJl7sPQ6lDAmA0pdtFNP_tF58iFgC1wBywXw8el4Gwaj6P9ZF6qNCjY3tBkBsG6i9SHJienbkc1bjUB3EK3J7y5MlJtcWKOTlHzfYLpQ7CNQZevmhrFcp.oHPMCodsIzxNq5EQ7FSiu.bDFDYjuuItAJivctmQ.IwAxWk7dWzhkslNlpncyvecxdL3dovSxiMQI34yY5W_AvkwNV7c4iofOwTAfLFonUk8J0ADlRlJD2GLYgHMkdQFL68_s8rId180DHbEG1URDMvvg7bsU.lrt_4tC4oFIpNNC53gnrfLuziMDUJSpsTLbtUTmKVQRoh2X6L5baPtSfGVcrLw6tpPQHHCHJthI.QRPA_RsdMMkvtpUwURycWRL_FtQhH3Rejnu4fWMrZGdy8JelKX1zWL6vEkH2oxsa7.P.PO4p0BWBnX8FBF4fKmIaqz4LoEHWBbtgsLoUG5sRO.KUMTpKudrJ4kIFIGq9LIN7bi0LH8kAcSFg34g9LMI5c9CDSBtIu2LSEw73pEydg9KJVBeph8_7IHBLmTX2h3Utxhqu6US9jYJ6OQuMb.m4pn15X1BlvOp4oFlk0zprdHSLvC_t6pZuPaHLftp0..dD_8gNDSysX5bkXpFebFmWmCfbHTDHsp.yxbsEQLCAcuT3OmYB6aIeBwAxpERrbXUwvGG5qUh.XlEyJrJ63INAKLJcj3LNcy.gy60njAez.HLAvZNUyDAjYhNxsPWkRvtobPBVZVzxi5slqn_ewSinlLMyiL0sKEYP85wBUiGteJ1v7JUTb1tKDlYWL_9KoX_F7NpgcyoRromDw6pqGvmj0U0bA.zNmVactxUMRP8fK0cLyTuAco7RaOsf3jf0GkYGWH66jF10a6.73bU0uj0YIVzdIXFZepZI8Zo70NPkBNqioSJz8yCdJS2mURxLWvBLO8xmzl4EPZ3pZSD2me9Sc7jVr._LuVGQbr..DkeOA804"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7c46f2b3d81ca';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\/4856039271?__cf_chl_rt_tk=9XY_P416_5LWP2Cr8T4573x5Sq2gmHLVFWcpjvim9Es-1739145085-1.0.1.1-5AwU4eVQwway4hz7417vuVNlhSAkb_Uhm6jTzg6q0Ds" + 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