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-209856915367.mit-edu.top/post/6358201749

  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-209856915367.mit-edu.top",cType: 'managed',cRay: '94b9f937cbeb379e',cH: 'cTgWVzeqkpfSjmg_znFL9ZBxJPYp2U18x8Gi_i9YP5w-1749234548-1.2.1.1-eGDDDw4VTvX7G3tvW9C2Ps9eys0TkImzC1CbwpUoVL5SBmCpKLKH0DZQvRdhc9F8',cUPMDTk: "\/post\/6358201749?__cf_chl_tk=ovoINU8_tIzKdjWH85QuCmgrW5wcRD2pNeQyZnTfSrU-1749234548-1.0.1.1-dtCZuq7uRXkwuRFFBU1v1HjulyXMRV_8Y4qypBjYLiI",cFPWv: 'g',cITimeS: '1749234548',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/6358201749?__cf_chl_f_tk=ovoINU8_tIzKdjWH85QuCmgrW5wcRD2pNeQyZnTfSrU-1749234548-1.0.1.1-dtCZuq7uRXkwuRFFBU1v1HjulyXMRV_8Y4qypBjYLiI",md: "kcPQ0PJ_1rQrZNUg5wrQBgs.UqKdcPcq_EpCplaTbZY-1749234548-1.2.1.1-Km.ur2LcOqwndny1wY6xWMTRoL.W8Jz68cbI63P1_8y2sAOfSHPtKkVz1J6Vhr8erwsmuTWdREfiY3QeVSBYNHlEZ9AdBC0UwkSDK0N4uanecxLbA87NYt6RQnLVvWT6NkzzXjRqailIL.0XRwE1aotSWkhi2R5VHH8dbaj1LmrQHWTmMpDH86PpwOsSfa3zeN8nNLTb1dtpKKHqYabbxJ002cKNJqG2K_Ovr1YdkdEhVP5_wnknQTV1yluIAp_334Lu.xW2e2KOsUpD6uqP0YPuEPBg2rjg7zGLlor0.SzSB3HcbMvzLgbYiR42SkWq_cFPyAVla8Km2txfHZO3Us6zrez3rWATzfgMsq0jjPG72A_dRg8CTqx6y5cRP1daOdphUG7h.N2.M_ZhNP.SskWT_H2fSTkKlPtwEOiNGonvBUvECRovgl2Al32eDZj1reAd8b2C2U0QiaVf8o0T65cSajAN9.IvEhd4UzW7PcMJ5tI.UOR8lnTdD6ZWWUvOiyRW.B9Q7RTkZwVcXmRHFCEnTGJw6ZCxxBoCQ5HHD02EDCDi8oWBbtcULLec2bOe9ngiOaoWI5n9Yel0xws_nu_SndeRuHW.K1vKJbpqu5zd3pabUwjwKPOkELq7mWXg5ekuFd9NGV6XsNFNS3IGRx6IYvZxSXhEaVlkUFl_ZOdsJIFBZv3tW9cPVmtXFz3Nusge8u0GyYxb4D4Gea083g1FsoQjvvSBYMowxO.n2x4qzNMhgYudyD2I5W.uPor_acVL8y4wZAgYUblH3HuK7QVNa5Q8BEwoX5vkAts9V3ZTRhLK15ZrSYPfRBwfS0F5AMMU9PMlM8RsHYtSAPUHyA",mdrd: "TcEymbGP75Ailo1rM4fQK8hWH1zjhg2E_Kz_Tp4wuUE-1749234548-1.2.1.1-snZJsI4D2Y887WS10JLrr_OWkGc3nGO7VLXwdQATXi_VoSAMkWYT.wFl0KbArqj287q5mBhXVTqwzhwo_ls9xE6PFnKWJTyT8zjtB.Sa3.BVzztC3UBHbUuR15IEsEk_h0Zh9WZ4KDBrvtqyvOd3f3vm4pnKNqX8TKETeQcvUX8NImnrUj9.gwG_6Zv1Ds82iBMF2Y_lD8SDzB9.5Q7sB6wMiuM_zHmDpHxIBprzYeJHfqDwnB.aLQXyJ3SJ.ex_J8zixLRdgjgWpftiG7cp6IEvuioeJtOXLXWUlamDt_upiEZ_TDgGX83IrEBV3RRPDKPyTVifW6PbVEB2_hVFd9Fb_DwV7.akuIdsgkHCkaSUt6GFPHbInKTT5hD6ENGW66kxxPnthIgVILE_PXmN7XuGHCBkMYRjsQ_eY10417_YLmYuQRBkRXdD1gaWb7ZdJItDcA_qlYU.scy1Lctgr29z80Ll8RD5jSZWAcywixRPFayIcMuIMWI9XnL8IvRYQiPIXGH30iHr0dT_K9ZUKfkLvhtCh64g64kAjYytMNRrB_J9L_C9kjXhO2DmVRethG1Hg96GkYpLdku3mFzmuqzLX1WX655J2hWKhyGy7QR7WHTS2rkJLGOzpe2n0vKp53WmWbAhQqBk.TCBn5Eoxge3SC2QIfTuTKfLXsqLdW8dvT2nrtkzUcReylV5UJhorNYm36z8MvbEsUdHM46gvTja9jouoVri4RTRWkuO7NdmFeTQxNEh6LclcrpqhqmfqhQews5beJZ5DmiauQCP_SnOkLdvRPk8geZZRDZ4deat8xKp1vpTn4.mofcjhlXcTqqNd.E2H43T4nXR.ravwtKufzKCVZPXVsbyoH2Q1us_0GC0drSU2o7adSO9UslR0ievycW.AiB7GOUFfjcDqfT_HYUFtxuKmIhinJc1NpJ7_3MiPBL4K3KL1.PzCpVq5vKaSEtTwwiwqQOP3XfY5MUm57gk1rdxNC6h.anPqUnEfmPLaaVdHnnaMJuwJEJeCNZvmoGtRTk4fJ7hIZqpemhm9DjR3JDWOWWHZtLfD1YzFmbmfu5Gcf4ghV_jsMHZfabD28Tbr6ZxduhFtF0Lp9uAfqn_bV.VkRpL1EyBNgcyFY2jTxvFmVgmHiB.2GaHmwF0T.qSI2KHMM4_ImILXJ9Nc4VGgqrWFjQtYKJr8CkIjnEzEeDsqJnI_IJ5Qfq8wmZ0x3rmScB.F.z9wVbCgR5nk6_dJrLB16bRZfOYShdugLu4y.khcWosVFOrpkY_kL5WTvz8LTJKR.PA.JucZ6BtU9DbvLlkFKfHdnovW4YKGlxyiwl0hcpyvxxa6dbvZ0dRf4GP7d4FNVpqTpyzoAhAvK33ZfUpETImHJaOg9vz.zAUROa2jW5WLneDWjhUQHaNbNqaOt_Ii7Lh4Rnh3d6XAbZ6ryMGAsdMNMTSlaTUCLsSHfqH943ROpXgsbnVwhZGz5zzaw9tOEX38LVrM1FK7ZJcGynKst5F3KUeks5rXnryuZ_lnAUUkKCGRx1gOg4XmBbfoQsk7vkNBY9RM3iJb566f1EIc.RUcmtuEzskcNhCuq6cjTxquHFSV0fqunLDPyiwOgMNYvhPV32AWYGg7f0t8.mSwPLN0Q.U4WJXG0mfjr_LqqwWs.ONOTg7U35v6BKJ3gbrzGLj8QzY9F2nCCY7nZ_7tXbCREmb3RH6M.iQ05Gy03v9mIn7Ta7epP0UYVuDDj4LfMkgl.uM9nAnekHZKVX.dosY2yFrZnVBqAjI0jILd7zdhV1DgaTRYbByVdew3Rp5aPb2D73hr9rvtV2GoSys6HWsnEsqsESOTc01laEZroY.coZSyaBF.hC.AwHVIeW1POlXlDxu1xZ5Wasx3wvGOUvDqeDM9RU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=94b9f937cbeb379e';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\/6358201749?__cf_chl_rt_tk=ovoINU8_tIzKdjWH85QuCmgrW5wcRD2pNeQyZnTfSrU-1749234548-1.0.1.1-dtCZuq7uRXkwuRFFBU1v1HjulyXMRV_8Y4qypBjYLiI" + 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