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-577821499135.mit-edu.top/post/3524160978

  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="360"></head><body><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-577821499135.mit-edu.top",cType: 'managed',cRay: '94acebf12afed658',cH: '5k8gn4nR_vQy7SsJWNsp90zZDpNX5kRFJ5M44_P3aOA-1749097689-1.2.1.1-j3_c2kcEzB8quIW0v8LnSFEVh_XYzu1eQhlzeVp6ZWMQPWITrdu3XjviDi7GJYSk',cUPMDTk: "\/post\/3524160978?__cf_chl_tk=QmytkPA4XmoKI9tPJopM7Hg0HPMXRlUVyEz.n4_DlT8-1749097689-1.0.1.1-RYehJaZN449FjLObvwlNVkPFal.dgJabvMUwJvSjNWU",cFPWv: 'b',cITimeS: '1749097689',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/3524160978?__cf_chl_f_tk=QmytkPA4XmoKI9tPJopM7Hg0HPMXRlUVyEz.n4_DlT8-1749097689-1.0.1.1-RYehJaZN449FjLObvwlNVkPFal.dgJabvMUwJvSjNWU",md: "7GGD9teRaEqbgFuIwq9s82Tf8XVKx_rPdqUbQrhn37o-1749097689-1.2.1.1-T8..4DSFo8U0v7vtKFvBqh1ZM1q94qvJX3ANIF5dZQ.Q3zbHXK5IxEG3RTQDSUeniWUfyGLnGd1NvP0W4WTvKzYKfdGSQYEC9R7mykI0e65v.TMiHLL5w_rgAlG70zW_fP51SzTZAdlo7.uE1UZoV5ne7HDfKtrcR4O_hCqnZsLdHgZjprhfqrnZ1m7MFGpuD0jsbr_dwwIj71_XC_1vBTMh_KxlCvlBK2PwEMPeKjfmZnzEOl3SxpquC5i45jc33R3893UvOu_MkdRgnzFn7Y7w0VQmXSe.rvy1orqJGUqpu0pFiMAczYVnI8dmNGkuiDqI6UQ6f3HXIZLpS.Fqesy754nXI3HuB4llWx8pR3Lx9w0rZItZIsOmeOsG1GyvxyBnOtd9WNCJAsWXTLJczJZTLpcmyWpW80VIYVtDZMCEAxwqek__dva6xu5lB6Tw0WxB5XmFiI6ftZ7ruB3j4tdvoaMdz82d62Rd3q.1lFe7BAQhlwHVDEjhbjj10MkEyuAhzjnKAvM8z.rl2BAwVGsy.6YtvDCq3UPSWbKAWO6NU2vHIkSJO1ACQjTG5LgjdWp8mnFS2E9GrfYZrifORcZtpDN6Qw8MQOERCQOAsZ_rgVUZ82rKDMWt0t0IDGU04uo92sQRna9.XbAhhUE4l47.s5DCMdVAx0GEKQnTHU89VNmlJIy_CnekHJ8RF311t8MemDAQmHfjPlxD5fF2Uq.XgrmJmQrfVhS20r2aqE7BruViDeE40Zuue.jpZNwe_Sm8od1zkSFJIXK43Ilo02tJnSzRcbiS6QNQD5BneNphb4IFig43ArmQH2YcPV3_JRqjoYjB1qw8vPGS7FAuFQ",mdrd: "0t0zNGQjWVshpbUBfB6rkYBPc_QklK2v5UVeVViHgOk-1749097689-1.2.1.1-f1j0yjf2AD_9Uxf8Y0CsFFRB1DQ3ol8i7KLNXImOQscm6G4xJQNO7Z54neR8g72oNo1Iv0QEvGxmB_fPi71b4QRNoMGLGF64i_poQzuj.YUGJRGpHAjwGsi9.Zds4BNhmzPS6NfGBZ01g7Di793_4Y_7O0mcoRbJFtxvjBK2o52lEDbbfdEI9J1Y1MJ2ZgXcbAXJNybNF.gCJCebY6W0Ac3jnAzD6L2daTdAyL_dWjLwRuMsei7Uew0s00zuhm.uOXM50Zvmq4XsY2THoFoJGo3lInBjuO5N2e0WOYExUGSnH2lua.fVlG3YVdgL4Z4wyI2eLeoimEvd94cLxks8Od5gbtCfWtu7JL1Hh_N3RquD179oVJa7kJi9ZQZ5vVt664hrJrwDMYZ19P6M27efJDtkrBgwt8LbRYZeNCVCPi7uHkC7FLTdCoH1GUGoR_WExm9v1NrLZwOKHCSRZoYk1lkv35ZsqGXwGzFua0etxVOTVKaJYnqc3kVxOu6vYWhOPrrrt.elTdYVSe7xCsHPH90fGukX4rs2hzYdZYW1Xm9dqlF9PA2LApuCTAZ39MK.A1dREir6gjJertBalO.OoP_bZrsmzmsZgcYw3at.mIKX7PvcOMChuADhTlydpTuqbd9.dEvrl3UrSXh_txov_H3xvEpt7FxR_kvql7pBP1d_ntip1A2vYCtIK4QsZ3ED.SLmFn0UPbPwiEozowxjw73TXu50K7EYK3Byzx3BuSFhn0gbU36ZwwiuWMREZnw0RBHwlvP5jLH2hF_p8PBZMY0a5b.wYRr1frsYA2DHYmwTHoU.oBQSEELrzwNsj_PEWOILfKL3y_rEyQIt17NyepnkFDRrioaKgVtjCEaQbDhkxX1FskJOV29EIRLI2MUBEcR1k.pA.9d0njYCOHaFccPQBqJ3dL5f2ubF0w9q9PqvjLX.AgyR2_uFVf8vGGrWK5fGy.rlHAtnkOlqnTWys09ZvzgiSp3_HBKgJgOfSD7OwgyimZ4YIbRugWVIAbauz4wSFFan9SikAJJUNHMZEZg4evWRhIoubJJmdXTpTXz8PF983RI25lB.YoVSk616TGBLDI0urvi7bQ3Z5Py0wiks3CuJpNKKVu0cYd1G4u6FIcP9i2i1gWz8bg6FY.64gigMWZJuf93Gfm9YyRzFsqiCEG1tB5CQoQ8iFR_NPQCKj9DP_mw2pC5xTRn.KjPHXbsa9K5qnfGaO4UxTZOLyyU4m2Ln.PyYVNcnsIU9iRnmZErCT_fLGM2HScZ5H5K8Z7CSqQ374mg.n_fKqUbywmLXHT7RbJm58hQgR.vPUlvTkyKzbj.5UawOtGwOJ_AcSqMjrZ01ue1aPVczjOL3vYPd4rOYeYpGbIGabICWzD4IeeYf6VnKljs8QPZFQFCbIPqcGsL5RHPszs_LZaDP5QStnlaW8wiqkfqH6SNPwYl2YB.nwuey7.f6wZCQEPMtSfZSPY_v4CBLCECwPHb3RQtYl6vJNm9mHvRLyFVXmZktiHzk0KtgfMKVucAccfjEgx9EMCgmiBCDcsv3htUVVyyi9781m1wbfuUSl.RgQgl.dnIsDku2NQ_oaXCsh89aJcaLVlFPbdysn_32Ytrm.FPLU4gcKmnZZjDrIw0StON3BzE_izZ_MgI.CYkKSosq44i9Ul5JOqX.lphFk_xLx8PiAXyqOR5ZxuvXGS6OOKC3AAv9enW.Hn4zMG2l6c959lme3MxxDp_tf5TS2PUPzbWvWtvahydDjIr1SfuvUQrTpfZpwsi3t6v7bnM6jV1FMKKeduDl2lW0XLbZeV1IGw1SlO9W2ZzcAwgefGNWj3Qdyv8Tk5Ych0XrYkAFa.uIYp1prvpfBPnZBWBkv144_El8_5fLHp7jBFYU8Dovea8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=94acebf12afed658';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\/3524160978?__cf_chl_rt_tk=QmytkPA4XmoKI9tPJopM7Hg0HPMXRlUVyEz.n4_DlT8-1749097689-1.0.1.1-RYehJaZN449FjLObvwlNVkPFal.dgJabvMUwJvSjNWU" + 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