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-107492677679.mit-edu.top/post/1305829476

  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-107492677679.mit-edu.top",cType: 'managed',cRay: '90f368951ce76fd3',cH: 'OjmJ5z4v7Be8aMgdDgzKmNj37tpbjhEjRqMNoAO2VZo-1739099380-1.2.1.1-5IcKaFCDYVtYCGLrlI2Lxn5C8Bp2_fdCzd3qKdDqAZlB6Zps_6McKv7sfK51Y3uo',cUPMDTk: "\/post\/1305829476?__cf_chl_tk=ESWtY3hL4YuD8VZy03WWJOuta_UlTeqXg.WI7vZp6to-1739099380-1.0.1.1-8JDKvXMAv9_9_YfptBAbOXsf.VgpcMJ0X9XoWAYDzJ8",cFPWv: 'g',cITimeS: '1739099380',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1305829476?__cf_chl_f_tk=ESWtY3hL4YuD8VZy03WWJOuta_UlTeqXg.WI7vZp6to-1739099380-1.0.1.1-8JDKvXMAv9_9_YfptBAbOXsf.VgpcMJ0X9XoWAYDzJ8",md: "hmNLtxU7gMiELc7_mLmcD1LT3LWDtq2I4rEV1TE2yRo-1739099380-1.2.1.1-CyVUPf_fyywPJ_DBL7PBANn7V9tb1lmgfWwgjnfsHwAZLfbCBIvqh9Qyxhz1OdXnVHuWe6isC1K5R0W4TPB7cE1IgtG4vgKSNwbclz7Hdt4rdOAHcwekPYvCiNIdCTd08NeZET7Vfs0k7EqC9hU4vSAl.tbD6qT3l8xGRfswtcGHdDhyx4JAFEBZ_5k.PlRIPLkEJBN4q00csz15x7U6hgbvmK40OsLIue_gOOoHrD.EDr6ViAp4j54R5iX7nJSh7A75akoldDAQFrd7x1zY.zo_Cr9xzow.G_fSvtdi48OrV3n7cxBkoFOTdPBgLaJnER0VKY8ye4OPQaQ.PS_lYnKrXJMEdJwQbvWbayepF0APux.PVHNJXULd.B4rhVNzWZ00s13qvSUdXBHHUH2Zcjbs2doAWIpHeGeE5WJ5K21q7rTTdrSPt7Jut9RYc97j20yievB6sGJpGxX.97h3DZbZ1qi7FpSWXXH3GBLtH.HBhYA6P3ejn0WY_vkWRUy3tuH80v4cRuBxeQK3mOLYkaY8vqTG3uJ0MsUhtH6RaeXCDbmOn7SollJluuua.OqZtKcKDAL0MIEPdr23oTw4J.3zdkBgRB4ReGraKBG1jX38x2Q37iem8RonfLeQP1GFe2W0GiNU9HYH9AQTAEw_ZcfoUPFpv3GicwpKe4DZc3NwKwIUp5fYVDvdPr2ES.X2f7tzUFrgTBQrlHnhnSTbjDpmlaQ.9xg7yao.NlgtCirWvRz0km768z2tGv_1B9SWbhbzfrg_Ig92T7Z1I2NrzvcYlE8YQLsYqM3r1ZYErjt9yJ5jlfbHE7mv0ro__jr_r4guUfLTF3Mr.eJnQwBbLlvLrDG7BXVM25T5_TUlPAfn78vyHDtsfX1QAHWee28dD6iah8cpj_xamcSF0kThZ08JacSSnlm_XyH5bLjiHOFcIoFod1p2kqJAE_A_OFh5lSaQ2yyCFjPMkvWaWXpsjUoRXLeQ5K8akJw60P.pjAKlpuht6svFLurPVN78TNdprp9hDvnUeDVY5yxc6bgdTZI4ad4knLLxxy.IHbBuy.1DQ3dFcU8baLfE7q4CA8PofCjA60ShNSK1bBm5YrUaaMDa3WdG1yuLccbYcvtD5FksBB4nkCPPNfSrs4Vk0a0KTbaaBD14RsHZ2eBK0Ig_UdYLeTYGWbdSAQ9SiBAFQHvRUoRrb65SJ9ATokyIycLNtZkH8QVGayRxmfed_J1R_eWjuixPIzQAIuOg12gc_RM3gSnLYaEcdbTJgQjtOf5zoEU2rXhDoVHHlq7bnjXZguuu1hlYA1zi4l2b7f9G2KBiQZmgkiWHOPVq3d29DGtao4hBaEK5V0Gguih38n9BDPbNY7N0YHt45xQ1gue9dRUcDYzF9HdqCopSFg_mW2WmPWjY8g3OAJafsIESa6JXPnAYopx2tHY0u4grL.aQZaoS8WLgCZGtoQgsalEia5H.SOoqkYb4HhORyd2sq9PMXByNG3WgkmudeKLbH9BEfKtiGCpwWpGL0rPDsYm0nqkly9J6TgEOnMl3uMoDwX6Hdp.0eOYvVVZ0_BeUrKd1jgKnkvKZiFfBZNVSC16gbumQQ0hftsVMx4M6BwXK4621xxUvTSnRd4xTLIdjTTcVwxtVWM_vZDV7DuBAmEqqqRvGA3xx6MHLTM7pWdbY043.ZlGEbiqWGQ_rSWrirREnfXivSDJkT4ZWofyotpFa_AFGqRl6oU6NlmirVzIX79Jw4fAWJTlvxwQKYvwcz2Y_15Sc_4CiWXvyYqabr9YXNHNEKvPCC6AybKMwQ6mTR9ZCuDzBM5aEhoCYOM73Dq32fWCfuuPXPU1rzmwNI2h6qMYT8eeON8x2vzwuH7k269dkzI3R8Uji4sPqUeGg5SQ.Fu186tSf.jHirUm.EMGL8T9_N7VScPRjC8cTSrB8_pAUcy7z4G5WxQSeEaPDNtnW_EJXzfPuVysxOsv5XXGfBkq.45HTz0weR9bIzlNnP39h8naOQHdKG9eTZtbIIZ8VGnkvKwm4lmDFyC45XE52P0F3AAJYHTSVIT5gvH5a3CSHQgN.IeeWwTOhbXoWzx2nWhqmfYWpfuyYW3OSXKVRXO1r4642Ly31QZnKw1u.zM35L7MhzbeM_r138Tk.vRPOEr5wm09OH3puQXRVoXOXqvB9LKKLlwTubTdIe75P2ntJxLJdlw2FeIVAXzVO5TKZ8aBzraYND.HBml0pfsPwENVB",mdrd: "oEPTl2_WqV5WH_kJcuo0OgpoEGiQcBHSpzNj4ELW0v4-1739099380-1.2.1.1-7GPo3XZrrnfbL_pVbpcuTGpWeiTzwtc0gQMjJfFPxEzOtSQlVB0SB7Eixz3XG7hV2zQT1oEYopJKqTySgofW3FXFYhr6R7sZlXV4C7mkgM21VrMn5eUp53sxGKJMrltl30Lre9ROLaNhJ_bIaaGYgJulYyq3_w5ZiIxV9C18tfDFlmGkLAHXwBJ2bkxiIUmSizgk7Rh8dpJu5lxLKU5hvy24yiMlfXXR39HdisFYYkShXICw217aEem6HaJxRHg9njjtRxLVhTbq1wGMQrZg.L9rTHPQBd_aEEpp_n2pJYExGlWE_K5Uajgr.EjUoHOjqmLceQOkzt_zufQ8ro1LPdlaUJxLermtus72TkxSjXFQSm_o83oSEvN6djvlCefTLsLpskOjSI7FbrE6nxuSXjvFdVOifqArIxiSVi7XtydLBoItZLP4LutziTuxnGKYzjjyyHVZDC.lL.oPSEkRFnQ4_2oXxO0vbRHxdRlhV7dg232G89aP3J4cLXw5fo5nKIQ8u4EkXyLUisQ7GrqOWA.SrnMS8BoKXjJNOxmm.KmWL9N0DhO1JSCvnPO86kfaMK1dSFrGmNrZNgykoUc9bYyJwg9V6y03I.C7REA3LCTSUgsxKo6JZBiQ5awsY4Ny7wj21e3NspIqmtEzBjk81YV7JgENxwzLOrychKOLOIk_ko86tT7TRYUWO2P1lrR4712h8aFYPsDaddgtx872xjHEjwiSXME.OVTUr6Td.NUHeB8EAOzv0MhdECIMxGqm0PFCLevjY5yrm2eekVUHHVomm74yldSIfFrIlLXsia0ICEOp1pay_i46qAEF_BLkmQWGIGC_KUY.juUfbMzJsOHzBMNH9gknWEQ_QeJUJEqxgzpxSJo_iUDvm2IGXppwSLItpLT4hxdWI3FDhmgOUU85Sqicn3bV7Jm8wrqu98sdwtLwKt5SjyfGvw2QWt7F.F52PgC9HFlrETH2RRkAYTo0oNIYeSHMB_L_sMIyWK3h2A85KQMqhbrWyDYSQ1uQFQt5FLbbNIWF2BuQiePvA3GoTfnlkTxh_pGGLzqGb_u8g72Jh9rSaNBsOsgSh4bjmDucZ8q.tnh8_u1bPPXE1iugbm8L.U1SIUbLkW6FyW9AlXBSImnhZvFI8q210as_UZxGa2nXZ2Kp8sUOUUbaUn.f_oxwr64nfLYjLUCDTls4tCANqHk9Em08OkaHxCbnvktYN7sBH9iZuAoYvbaj7HikACW28UaFO75jhPCoAaXGaC22TJoDfT2YTIJjHA0mmypsxKX1njuKUtkaWEDSK4oZsS4STNYLM2jmTdnNFtL_ZwF3qeJy.vYqIdiRhObRpnvHyr9SO5HVim_5TdRCi8_iYUQj2spxptkuebH5xpAC.n0EyQ91c_S1xKW9AAia.K44HUrjMyLJ.5wVuEAZ6MJHz.yQPVqZAe8JS_7YaEa5IjKhwk7afovvsh0VxCeo_Nf3rFmN3cbr2PdtQHkdbIjSGCkt1FoqVlva69mdI8OYpHxd.kQJAEcqOdHu1WxXFiT.hwCoSTrZfYctj33AxlBKefHlmg1wSdpckcVSDl3l3gRJmCj5MEogMU8zL9a2gKoqnL9Pwwr6ddXgIMxTCfPk8gMPTosk2aRdU6buYNA6p1t2zu6HZmQtRxUHIaLPceECe1_aryI_sodOpf4n6i5urytwpIGZuou2d6C9Jlyl9BnsxvnNutuzz9nRjWv454yKdrZtPZTgyOhOPLqh4zlOnwINIQJRdBcgSNA2gc1f0RpamLUSLGtdDOIWhMKYiQFencKCItolSGgTlbBrDg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f368951ce76fd3';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\/1305829476?__cf_chl_rt_tk=ESWtY3hL4YuD8VZy03WWJOuta_UlTeqXg.WI7vZp6to-1739099380-1.0.1.1-8JDKvXMAv9_9_YfptBAbOXsf.VgpcMJ0X9XoWAYDzJ8" + 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