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-661268374517.mit-edu.top/post/3690758421

  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-661268374517.mit-edu.top",cType: 'managed',cRay: '90f7deede9be390b',cH: 'SkoHKYBOB37bo7E5bR0uzSlfgZnrXNsgHfFAoTFG.T8-1739146170-1.2.1.1-8ygfYdUSwLf_zmsn_WL5Hw7ww53MKL_tnk8LKw1UjTRd8S9gCVTj8OIkSAsKjMgi',cUPMDTk: "\/post\/3690758421?__cf_chl_tk=AqFdi87Jntt_4UpNw3zQrVDn2rpq8VVnwBvEI3lV.ds-1739146170-1.0.1.1-EihOEBiALfwyaqkb8JwYG3RsgtHOwGuQksRtdZNJMpg",cFPWv: 'g',cITimeS: '1739146170',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3690758421?__cf_chl_f_tk=AqFdi87Jntt_4UpNw3zQrVDn2rpq8VVnwBvEI3lV.ds-1739146170-1.0.1.1-EihOEBiALfwyaqkb8JwYG3RsgtHOwGuQksRtdZNJMpg",md: "2F8x9tYkJhCx17eNTy7HL8FXVfeihoBiE5sebnVCmGk-1739146170-1.2.1.1-W21aCY8LDlg3AtwRy4ywHcGw0Azn3ks_I8q0xEIPwu2kBhnG8I_heUggeElCXYbFz8AqkAWpaMlGJu4lzFZ9kWzYpNYv29mkp57PXK_08x9_iaRIg3tdTPr21Lifbie4q80jHSTxkgdG6i3fJ2UdYjR0_peSCCYpwh9DMKXPUJfFmh8VfQ6Lut1LHQaZQwEYFQr8CmT_.NHP9gs9yPeBxBjzygP4FMAppfoTgmCp4vHLkUFDoGNRN6zOt3o4IBWhi6cc9DS7u87lR1zGsx6RAjzgIgA83sZ8jS_IFjrUjNVcVV6JLLVmSii3vMx8qOfBSgfJ5jlWWdv93qBK_iQ2ahLK.gtMo7wxp6XcxWsJnzX17_7OZwEFb2xPVw9m0tER7enZhx9bbPdCpmKlwQ9iu2audoG0XaQ9B4Zd2BqLn7kwgwF3tFUq7PVcmls2ztbEedX4Nu8YYwd6MSlEE7MHvgIWWYR3EwmZYL1eQS7Zpw0Gs1vTTw.bc9ngt_pajixgvCqEu4cjhBx17h0M3F18AkhDNguAamcXXF.WRM0gitx2bNEo5zYa_58pgbZ_CkX5P8Mb7veHqqqAq.7zuPYujBEpPHKG1XFNAqzho4xUWSJdUeMPJctfBQUVd2FrhfjwaBStpJIRRqCoJtiMSxeZeb7fUCg5WfLTGzKpUBex9Mgf6RwO7tNdvs3wmGBstyL.AdjGPlG9yoXgix2eX5iVhaSaXUx6oE6DaZNpSbmxC4s_EDA0MdaRh7OwZ6OLGRRSfXlXgKtZywXNAzOg0XcuIUyzDB.0WRFmGRkwsrI04x43SPw_77hJCgJ3NwM6uXbFxV.zf188Lc_hD8q_wMkhARihxVOQkKntnb3vl_oEkv3DjoTDWmyC1X3V3FJhMGnFu0Y2Y7NQMgnEl4sk5SmH2PbFL7LLmWnNtWCGAsEzSmULG7Ht41wkr0bBHvwsUsEZElkg0y6fZTXa7QqYbvZgLPAuobJwBrknnxDDiZzwboZY4p0yMr5mvFk.aoMuY8AG96AoPAnbYVKxlaf9i9zcPPBpUJj6sBTTgQSaIHHWJQFHwQTq5vPToTaTemRVaoy7qdri02tlSknQFgrBtZrdGdPoqJMIgud1ll5arbiz66Z2r3rF_Dgu2nNgD7AkGLHjV.ymfcp5G2.KB4BcJItbDpyW0inYH_w0_lhLb7w5sI55nARjJQwf1WiH2CZUce8nsWbIN13EAAEXEHOQAmp8qbgj71TT5kSJqG83ddGRO.QZ2E313b65EWlibNSmhVgfMpDQCi1G9DZL.zK3kLhjN5NMbS1R0bT9Rlsm94QXb3GMB.lWNNsiWOBYYgm_NMw_XEq2y3EcIFFMJQV9GtZfW1CkGjrMRqzQABPXm9DNHARblN1SAW.hjmbH5ShAXlmcbvmBpLPpdlPQZKLHKBmcoKIr5w0yEInYrYzH5_vZMEJQX6bVjFNlyBTAYOvQzDBz6g.sCm1Dq4VZPVl9soTAZvSc0ODAyc97VGZuhtwRV5xIt0moGzLHvEKLDbVv_p0nVdL_3uPh5sG9OEtL5VUObC_TnXHAlILs3AhavPB9nAxiSvnB1ST0pIbUyTHaZL1AIJX4gXtUUMClfUmmBKiJEeVEzL7s5c4fG79EbUoBF6ET3Kj.p.OFUEHlh7ww2Ji8FPy9JJpisVnDl07RymJE4oCt43QF2z3mQQbZ1gY5qMSvuKqUx.hyWAXg0nSkzYVFQ44R9wp8OXLUxtO8HD263cznX_ZRQ5Pui2tz9PLFPIYRJrwI6peh.ILhBrOG2l64caCLUAsxZp4SgMIPdk4bI3W7JWsSoPEQkAVCieJfdnSop2pbmf9NSVrHppW5.B28qzu8MYJAZtc7D3g5j7bOe0.Q0O.eRZL88CIW8XOSQRaxluxE6lL_U4Lr0S.u.5QqshIy7dDmmFJtQQr_rbHLDPGifq3w3NmXbX4hMwPwc1bkJ77mi98KgudCceEmnSrSrGzQ.y2hzcE1fjk9MPjMXglriN1Jy.Efc8ciBJDCrEpJYyW6rjgy4gcrJRcejnM5tM2DuYhtF98OA7ZwT8nmNQ2ahxOPE6x44aZGOvn_qmQu_I3GV93xg37OZZpNumjHC_I2ziGDU4GB28rbxrU9sKm_FNbVWGNVgl10TaqdzLY5jnYwVnifCoUBp3SEQEQliCG1H3u_ocvI6ODJwH0n46KALaF5.sozEN1CyYZI7riEYTrFwo1eFCN6GXJ1yIIM",mdrd: "Jxh1pIp0li8EPg.4aZnZyti.j3lRZwLkjC_FRGVJj8Q-1739146170-1.2.1.1-.01OWmuxFS_xuAqUmxmJduOdiF.nQQwPAW.1stKi4Dfo_5SS349slgc00CL88sYMzW3VCR5cVTctfbR.KUQrVRK1UbLH_8KQXqUHv6EwhqLCKs5uu.vucNgzO1q6dniWFvWIsMwR6EF7wKP41qmwbRjUptj5iGjk_ERhe8HvuxRwyYtCIpIG_1_7exvq_3NVJLFFqc83rU3vuM0tqdr6zhsNMqupjd7LHpPKakZ4gVU2uOgdVVomIMlB3Ty15IR0570gPb7pqoGMcpLQSPySqpBMP5FgmMb56bhMnI4wUQpS5Ay6xm8K581_xUgCee6dgtYA31wYrUsuRTjOcPMrPIOdBZI13w5aOudA1elryl6df17qGRstf97BO_qTLago_7sZcbb5kRSLd5dAZqWn.kF6ZfixYOpeeMA_QEiK5P5x4_RzU5sPT6_1qbCDopH.8CUcdOzU8S5extQD3KjhR4KsUyX_WxJlURqPLsNg6FuuKiHX77A6tyEAKhsh1dCTyvbzT0bv7ip4CK_7myhi.hBR9ipI16RZ_o9aFua1YjQscKUanzqcamX6OfQ3A3SyeTMpwfB15IgG.bEIDjdhbVTswlimDCgieha6VnQgC_LIqSP6lyfO.ZgvCehdjPomQOfzy7SmuO7eJ5SwH2jXiA7iInuAPeKSqLRcCnwvbrw.NgFj.JPVIsgrAAFk4LDbuTSpwDG66vDm8wAJdE2GeWu4LM1TY8Wx65TfQStC5CSMkYXjU1ASaZF_V1JrbRGZPYsEJZFOjUhKfAORRgkj_IItO1KaVuj6_OvD7d5jDoo1yfBgxW9VBYgwhbBAICgEtnMpgpa31jid8ofE2_e.5SI_jVQCFYUOQX9kezNW9hpf6BngAmFwQICR7AK9lR2BIQPrUTXwRwpt_Hq80Ls3QX019lJwUKwXCz14gWvS0mihD0Ic2JxSb4IvZF5KSDH_6QAxZGtMrGqN3PrsgnNYgcV.Jq21202CvMpIcraVcZDcvxmVHwt1Zp0arJ0GYlLp971auCk20Vd4KVOQw6edfF8ttelOvKeIwhALlW3n5jv3v9QcS8lviIHFrG.NsVHaMXkC30UE5N9ksR2P8Fez4Xg.XaMyVf4FpI4wNKQG2Wa5XT6Y4U9AAyZhMl9nNhFt00.LfUpDwN16kk9527ugHqOXlAAq49C_6_YSWKPPD8HXeLQdVhmq1nHQOkiIsNBDs.CbVcBWa6EY5caIXkbtEUS8ZwxrNnlrQch779CGBdiqdZL8niCevFfFAUHPGCWkqfWBIeZtw_rrt2hPaBu.B.CwhBBHhR3D7q1p.F2RhEM2KEZpEQSt7g6feNFc0O7RhfVvYoUlxmDCNG5ylTicvFzg76kXQSa0YSqlbSm90uQxc.zVwsGigkHPZbpI193h20zmViSVvvMWfT3QY4EqzUGBYrR9QwUSfbgdDT3AbafmSLvxmD9GLL16m.32EZbWWmTPa29EmqULApElvRzC.7Kyrqd63oMlCInxP3fiapEIBLS1xZ5EURVgkNj0G2jHiM1AzIGbEfkNLyWvKxHF6GObNGgJQtA3WWDTGZD_R7f55lvvfjdq_904oDDZ4RsasAVFvnFmvE_C64DW7.xCD46ueq9JBsJn5kk8.oFn_JBpUYAWzPWT3AZTSpi5yaVWtW4sHrkd5.uXegGEPEhhss7qX2gtWKt8IgfY9QnBMElf88zrgitNZRDsUAK1VWaXwzQPgVohLaNcaSvy3vO9ZpoXVTOaSKM4MwR5H.MIM2KdErTrACH7ZNSPO1uxaiZJZ1oHsbcgI8qGsY54PmbZA5e_m4tDfQJBc3OXx9MG7eM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7deede9be390b';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\/3690758421?__cf_chl_rt_tk=AqFdi87Jntt_4UpNw3zQrVDn2rpq8VVnwBvEI3lV.ds-1739146170-1.0.1.1-EihOEBiALfwyaqkb8JwYG3RsgtHOwGuQksRtdZNJMpg" + 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