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-affk4ryvn.mit-edu.top/post/1936287540

  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-affk4ryvn.mit-edu.top",cType: 'managed',cRay: '94ae06a11c12d677',cH: '22NSf0.55bYAFpo_xaRwhFDn5U_KN9RrAaYjFXLSZWI-1749109268-1.2.1.1-ldGDOIa.7G9rIrXQTBS5o7wo6Fltgf.L2AAbz6G2oeT_JE1gUgYeqb.viOigvoJQ',cUPMDTk: "\/post\/1936287540?__cf_chl_tk=sjrd6.cyyG5v.dU8WAEwY25cJFA.Zylmg.NLbnYkynA-1749109268-1.0.1.1-Ze8X9q6o.WE8Hfx3uAARXP0a7.p_40_rENl59l0kZ.o",cFPWv: 'b',cITimeS: '1749109268',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/1936287540?__cf_chl_f_tk=sjrd6.cyyG5v.dU8WAEwY25cJFA.Zylmg.NLbnYkynA-1749109268-1.0.1.1-Ze8X9q6o.WE8Hfx3uAARXP0a7.p_40_rENl59l0kZ.o",md: "H545Lp4pLRMm9D8Ca0hBeBohZf39srjrvYvOfqBIqEE-1749109268-1.2.1.1-YlqgfdD70c2gt35kKSGj0PO95Lv6Dr_fVy9Uf0zrjUQ1oAgyb25Hm1c2cGky5Prut0apsGBc00z7nO17X96RfgkLUwwcGom.1JboLUptzLzU2YMcZcHQfF1msuqhyM8csYcSI5.Dkjw1QS07qvnBQuooDfxtoMj0jcFiaZrUPl7AClQfELsaEd4HTNUZJQDdJ8VOBiQR69FaT6EPqvwzRBNUm3tyBkwmScBm_jmPogcVbB6ojhG5xQmfb_sTs4cgBT_g0v4U591xABfo8gamE_QFLngpK8K8ELnqtQJ59VCYkS64sOgERtbMWNVzwCx6aTPOb7vxdJ85EwZtMm31Aa5DcaKxO4HobrHvJ8s7kO1CrYT7aTiN6FOwDfOlInM7vkoFWjFXmphaJd16z1lYD6Z_JO8TInubUpWM9RtJSX3Emhh3GpfhD7y.VM1mDK5ydSja0mI0a7YubIyyolp7JyHFiBeZNKtBpIQfV92CpjmIwCU5_luxt2GM033V9QIOrJz0azIHMRD4A5eWyzOotOOo8DDiGhamQf4tx5wEr1sjQaEwU9JWOs9C7RxRdbmiDOLPqKmE7zGusNMsMBFVGFhjhbdf0NWR9s5lTunNGyymLwmVswllfKdUULag7V_V4RT6BR3eQC1vD8q_ME4CZu.FcZq0kCAp_7UjCZKwS_TcNWpSMxoQWv5CQbdeqfWRoUbIOwPI9.1LTEovdXWI4_3ENS8WUQirQDd4hz3x9ucaRF8Db7efQiyT4WgFW0YxDv.B5v.SF3KkUeL_m99yY1UXedgI.VVVueiFgR9Ne0ETeOLcG8g6xNDs0Z5Ib7dz",mdrd: "32Uedkjzj4Pomih7aF0Aymah9iFeXnn2Fq75QErWRFU-1749109268-1.2.1.1-TEoFyPkbVz33ppCTKYRTljZhWMWGwVBIB4pFntnw8ODroOb57xCGw9Y_Wxn7DsoJTa4gDReq_xYNsMubgvp0o2.Sq9foNTC6OTjo61OWvIuli73qrgiQkhvFkf5jbO1ThZTMowhrUWHPyVBsXUKjAnXHIjq2y1KCN0UTL_WDBYaWT9N7kuFdYaH0TTROzmsqoE5ihE8MLTW8IyvGUBqnXKsoquktl0xh.Sf_atfzU7p.hgnFhQYrOZnkKxS0EO9vVPNUexZAGGD5nSN4YyGfwfINUwDyIY4s0W.lsghWH_bHOKHw02q2m7pBm9TcLTvM827rJIdThf9P6BRqzuiiPcqRX5zWZjshjrkoZCH4kmNb2ChkmnxfZT02xyWg2kju3uVJW7MnWzSRe0ZahBnLPzx5XJgiha5_TDcUuWz45nQIX_4n293cg8hF5r6IfEd1Pnoe2KBV7KovMD5Jn0jqQqy7GgnQYeII635QtVe7rlu4DbupOwl6fZX6m5n2RdE6aw4M_HzUwn3XcsbfOS_HZ_c5JIjclpmRHNOQ_E6J15f1W3r8wU8urPQshlNU0d1odiwE0MWI_2yutOEK0A29pbZmwPdDOoO31qkohkIZep9n8CkfgVzwB6ctab2jeyxGiZolmYzo9YohlpZtjbNhZe.eOpUnaYxRpri1DQCQesmT8xvb8F._aVbN.RjpKhsRE5ogZ.LzHggEEiZ_fwbI0FVZFWaHVrC0WTZi817NUwQExBUXBmct4wXQJkufd4uZIvA5sYeALxaz5GzMBaLcut52TLTljxeCAhG30vVoEpHmW_i2Wwypf6crlCyZpa8nezrXYGWO3OyQq.PoCe1L5nopl.5aQk0v_Iu7TKWw8i_CDk_oTSluEQWeNYSpznxQzkoMcnSQcJuFDexncoVEYY5LRzFhCl.H6sKF.Mm9s6SQq9nHZnvNwoB3f1kSI0k9YSozqtSmuYe1CrPU.n2XF32B2uPIFYYWBIAKK__5bdEKrKR9DlykAWyWk8MqF8qCvM_kLZa8QbQ1RSKqAuv5FcPMYh2TUImzqOP_cxLrr2B4OK5TVlfp64CNIUdfU7.ISdpyI0DjdBW2ORH.1z_oWYwIrhZpMbeCGlz.J1poAEt9FpRrxrnhkNMiEP3TPRz0lQLIbjuXJW9VCQCdqjUH7g7HGGDPDIAc1HGMPDb.k20I4ekJK96VACJCiV8MPAwGazpwWNeWGQFk.vYrUqlii_30vRIMcBhqn.mZb44cwfLbMMqcukk.W_o.e7_cmRYMkcuomLD8V7UJPOW2.92AFnMX0z7c.U.qD7LKTgX6AoVV3ovSLjb43Vce_Q1WYDgta15RZMCQkEP4UfAXaWwKzcvROPU9qyV_iFUAowumaKnA95w.cSZShnGDQN1omL57kvPgZTVbdlYx6aVXwmxMLK6xo1l5HwbFl648FbMJNhT1p.dkdtNbdeafTtA72tEGKn4gReUBL89kJVTZHSKrdSZAwE7nKJOqDbkwjoGya1dsKpVnIa.QQxHtXiI8Oam9xFNG_uEEVM_sAHND_iDToCHZsOt.asC0Pu9uej21UQ03YIHuHX0nicmOfc0zL75G0T1cVpFC1CvuUd5C.oyV.C9U7MzhKfxbfieWtoDa53AZCpsfXJwXZKdo2DxOMLK5AVn0YcVawp3q0ph8sy5m9ZcaLlv3F12ATjwiSK3tHEdZUC_fwhL9izQ_XDkm0av_a1g__wADcJDmw.hAqEVQOapJXxwRdu6cJq9zjAYqiOe4cfgIamuY8JyYOdgjkrN7MW.VVu0Ch5QkV8o3B1hTSbBcflnvVzJqRN_KJ_1vNYHlgm.MDtv6_jhZ.cs3pmYeoQHFusc2GHH8w4LFM7Zwe4LywRLPBUmfW5FzilJrtD4k6CeTmz._UTGo.W_gXbfj"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=94ae06a11c12d677';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\/1936287540?__cf_chl_rt_tk=sjrd6.cyyG5v.dU8WAEwY25cJFA.Zylmg.NLbnYkynA-1749109268-1.0.1.1-Ze8X9q6o.WE8Hfx3uAARXP0a7.p_40_rENl59l0kZ.o" + 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