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-affrpc8kc.mit-edu.top/post/5387641902

  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-affrpc8kc.mit-edu.top",cType: 'managed',cRay: '90fce9390d366fe6',cH: '6pYvqqOdUwRgCLXVPQ0cc._eY0fM8bjgXdjAjMtaWT8-1739199020-1.2.1.1-TFkbZB5mj_fNraQ5L40yHIILMZa8.9PG1EMsC2iU0kEMFgNTcNIL8Fbl__ZAvlcU',cUPMDTk: "\/post\/5387641902?__cf_chl_tk=CMjofe5itxiJpsAcAYz1jxijGC89CPNB3QB6F4OMWHw-1739199020-1.0.1.1-3GYvlzQdJ82K4_zgJ9aoaCJGy4aggtQgH.xK95O6VXQ",cFPWv: 'g',cITimeS: '1739199020',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5387641902?__cf_chl_f_tk=CMjofe5itxiJpsAcAYz1jxijGC89CPNB3QB6F4OMWHw-1739199020-1.0.1.1-3GYvlzQdJ82K4_zgJ9aoaCJGy4aggtQgH.xK95O6VXQ",md: "T5PwEG0iXatYsNXXPZSLBF7jgHt4KenW79IBZbT0TSQ-1739199020-1.2.1.1-Mkup65u8UoXxX.eyr9vmcyLMnOznGPtxE4btwkn52yQUKUcJATwqc0nL3QhBKCPdKze2F59U77haYZs.i1VCXRB5Up4WhIyr60pc8mfmrCYucJtu.4s7nHdim.QKzQWudVYgDaOszJdSe3KZgq5C78ldLOeYv_pgV6MXHvPlSXqpz_Fs.3ImDJw60PUrCpaT53RYpzK7PwLnd0.lIcDGL5wNyM05IsbntaoC921FGfXqFQQfijCw4gf218RcRLslS1_XaojB4TGTvCdoT7web6Ywbd0yu3Vi2gKa0.64reslEKFj9bE_Jhz1RWTViMO3gKAlUTKRbUmS5wV1WV_UkBo4TmeM1FRZB6Vyi6JfmsqRMqudkPjE8jg6Hzc0eVdqXvH5HjIbOYh_s0sPzvufrsk6P0NPo93hPLUOac75MxVbScysw6Vfwqm6qeK7m3DrQsFABw2l5F_OzFxr2o2iZ3WbcY6QUyCrNmGEh4MnGo9mGk64BH2_sc2cMu_bG80yoV7_XP.JtcYx3992b3e22zZ8waUkOtzEyJuofMhV_OGFwRWx3AYDcyUxn8bABjsJQfKYCXpClzYoU_nKhCtSPJsz7ubyPNdDRIp4cnwG7JGPZZLqxDCCM_H7SnV1Y0Z3gg4RnSuPpziROBmgBmc8ib7No8ibdh9uK5unZahfyTVsqDb6C9LTNCCl8qVNpjX.3H0pNEZRBZ02iPuVqXcE07e32OfnLwucThm8sa6WjB1pn1RTMNb1vNbDJf_hLItR_yp4JjEgPt1DDhANP0ER5R9yu6aQglYGXemyv0UGS3OwR1UCCmoX88ehITYxgljXIvsdnoF.uDmP9qVvMnlI7ySoTcXzgtPmu8pdynSz5imbNupBbnrVjgEIHCIokVCKIg_6B4uaFlJDfOlr6RLZFCg10UDLR9.XPOVWDIcYQBW0YrAZroAXyBjYh0wwASS.iJu5wOtMLWdK8BgCnqc8k5vSuHhqf.uqgNQ_9krSx5uqEQSk8ZdwRgu1xr9alK0eZy.dLiHhj745IvYiUKKcCXAMW7Wp71gRXi18vvexM0xHrBx8jNbNizON91GaDlb7uMPi_zxvB_4ORQcAwmEaj3BD4nRoKbqpi59QAlbDuRz5lG17JTdw6.q1mGzj5Ln1mwdsne3WmXdOPt8esV84N6bA41zyRBueCxsnoh0QWboVUJGOdG8u_zOcHX..hcb2iCgOrLO0SCQvg48unQ6GkkObWsYctknApQvMH0E55udydkn3W.XoN82N_gn0R9mKTEO1nmRGbwFQ5YQZzsXMVjI61qWbqOsnxtXBZtyvQJbKElhNieizTq4M3UoAnpR8dles1qSz_DUDY0Uwz2bc7NLXAONKtK42DQO7Rn2eoW8p6C_qpGbJU7anMe7KdFRnFhK9p6ogF.gmO6oFzL_sLNiXBxVv4mLFiRUxV16KCWEpy6Vz5GvyTVOIQCijxSPMz8I5Z8zFA_bn1z45n8DzUdDZkLUcAd5.QQN5EJiYuf0Zg05kAJtsH8eR8L2Bb91Xzdj8RPrZya9Vpi1M71NH_4cfM5SgJLIUNESflciaNHfZTJqa586V3wRzMv4zzk7jjxVbc88f0jhK6SF9B_QFlM26T2wOlDYCyX7FThrJGYdtkr.ePxd0K1sDkF3xdVrWoCLTE2czFhd4TCX4Q3hjaTvNAIbp.UtSLED4mDAZ6JLIvA4.H44v71uKWu9hmev_n6kTC_O2_TIQFSMXsa6lSB5oFj2xm3sQQQLPv8TSBgAw7F8YgI8W1GenMhXJkF4UKXDHQB11erBNV6abu77OpkZwePTqkCxvBT0midKG9oA2gMREH7xmKJCnZ2iToYL9ODeQ1scq672YTqXCcW2i9tNANJH93iuxXz1Su4_h.uLC8v1ScZ1VMCKuKOLM28J9sXJ7WlcakEYP7wrv414GWG_o7mCR0JqBHQlMrpmLsFWHw0BCETxcijIq4qOTZ.H17cS2SoZP.54WhEhwvts9jTFPwntGQ5dr_j1lLVPaNdoP9EiV4hS_R.QyRHwHsZ2nmR6YxkjiaL_SEyqyTwjCr3QO10YAMKojXf2bRlzYBfw47LDiK9b5J__JxfMWMYLxvE8lpOxBWxgUvWoai.aYl4ryYraVCa1kSbeQexV7AJtrvbidIPQ.7x9AMwzPw8.9nKl6BnwvYld9DAJMIAD8jAmkTNcJ7.OWAri268ltHks1ILlo1cC05nBjLH4M1kaY",mdrd: "n.IGU8l5PeOvFshQwEO1JNxz1nOfxXP0WGPDlgB54wE-1739199020-1.2.1.1-ZA0yS.Xu1sHQvDjL_sDywiwMnQiNm.oJ1kww6JvUqfCg04AYzaDOcDWOhEzpFZkFjaouSSLs4ZKC93BOh8PRpF92mQpwJxQ8EewuRy6HWMyLh5iatkK3dZmwiTY7l96pcTifsbIFR7CBxGlBlnMPWmmdDNb91dxFsmqH043RQsym14_Fy7xaJ6MS0uKlaDWbMstAtSFpDSXnwzKwlaaLUxaE.a8fDeEA9YT8Vqq7TPYlHnzFkxpABFg9Y4uebxikkdt8zJ1F3e_EQnky2O72LCCWF_RM4AXSDc0dRBuVMMH.6E7yh46Bo7YP_4OCc5uKYZz9zoN47JVhuoPRXYM4xyvw9b29Bf5RvOsf2gxtQr5X7k8Rf90aEAumQwxciWYXC3.IwlrjzM9TQjSfppZ5jbfxpzj_mK3owgGzs53oudIwWQSBgt2IpoB8KOFmaXkpO78cjNLf5Gsmuk1JOP0Dha4eGbzH9XRkG6RRwgzoLQgedk7u_EcrkYpn1CCbbJtdZfS2IWHyL8zxdbRMNJNjZ_2muOvZu98QbQEsCQrCS2AATY6qgAcZ1xkKyBn30v6AciB.3fY6ul2i80uvWUL2RGdGAQGTwJJasXGH4wWTmvNM0IG37b8eR1iPIGOBS8IX_TEqQzDTg9GHDVMsvAFWtieB39uQkIfasWcvSQvC6ZRkefkNcTdGw8edTTibTgtUaaFgz1bKhVzPzP.EhsuBw7Qib_AiCsXxYXsDyeFM8UvJsmw_7SD69KH5deTSGr7n7KeZfkdPCIPmo3QWVivKOifCK6FbvXxOLcyISz0PtZfldaTgxaEtiPpVyRHOFe1GEboaLhfAB.uBuK0ULh0UFA83nTUbyy7rXwVWXsf4Yj0K87UUenkeFB2vOGGgd14yuMz3IrhLiM6.0KcYGBsb08o1plhIt5E3GwBYZjUjwxwy2AsD1qq5eSZNXDBkWfkcNHvb5s8BNAsnh9v1mlHYHX5IaCaEoKzVztmCLD6lwFX0QdHzpQrLYdTugecRF15AYvnzK8z7lqyUHl9LNU05wkZXGDdzxEfZs07rdOJvEkMfjeXQ0nhMT3VOd9jk2z80RmURJKf38Au5SLBESKKT7Cg2TGYkTyAKPFg.iPQKrUpqOzC3Pe0yvj8jjFCDrO15ZYhlZkCZvCdx8Bl9HqQ87svoy_vg2xWwa3fKFU7a6eRb7p_DawHcLkVUqetF3NTAfHS94nhEgMxyNVI1mRniPIWOpH4mx8_KukaZBa0UEnrZ8IfeCWtLDGe_hdbVnwvb.tr1.zSkK6xOe.FG5BfqEyUvoFhkfIdYuzFJ1E5ZTxsLAyDA1gpmOiZorRlPmae9g_7AslXBaZohO5wFToikk85ecwqNTqyaLU9bhkntedymBCw2_wwJeO0j0pCt3APQSfytFKxff1n0K2rHAcLPr5Rq7Vhi_O1pS2eCAAJA.PcwvxTR7ap4Juc3V7MnGTtNMMBh5psIXLq8A.gpIR.IdGjrFiR4BbIQivsGgkuarri0__W5KH.COC0ljuLYp5pUI5q.plcRGmYSZFIlnEsJxEZxDLg0tUfxHUqVn01PSJaE7mQ1JX3ftvuXQsbJnPYlX.KLRUgkKOBgkrCof6EjeyLdrFPpsJlsN9.c4q3vHLR.lpQJdAI3OL5GMCH.s_mJCySY.4r1BBYesu1GNo5s_meAtGTsP8rS1YfC8hW3qWyh2z_ZjKkgsN8Vk0yqvRoYiEB6rqbA4GlOxbg0zs2mq3R4bh3KhthbkAzljoRjDIDbUih5plAGfTQKcTSjhB3TnxA2o2YsiuOx_b5gV2bjq5u9Nf91twDa.jToMjapJzc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fce9390d366fe6';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\/5387641902?__cf_chl_rt_tk=CMjofe5itxiJpsAcAYz1jxijGC89CPNB3QB6F4OMWHw-1739199020-1.0.1.1-3GYvlzQdJ82K4_zgJ9aoaCJGy4aggtQgH.xK95O6VXQ" + 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