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-aff2zkwna.mit-edu.top/post/3970182546

  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-aff2zkwna.mit-edu.top",cType: 'managed',cRay: '90f36ba6ffe859e0',cH: 'PPSW3NdtQiV4TY4vvp5UTfWFgHMYBoY7aBQJsZdqG7Y-1739099505-1.2.1.1-yuO0TFir1GKhrklVnat9NTzdrO6towgpJWs6ITpxmMFjA2gLtp.ptW810qt_uZrY',cUPMDTk: "\/post\/3970182546?__cf_chl_tk=cXtTw6Aa3.DRzky.u.HREYi6MEr.vfbgzcfZtUZ7UrA-1739099505-1.0.1.1-TFgd8ata0tutjzi7hI2vqnA4Pl1zeWiHnMCgyLT6UeE",cFPWv: 'g',cITimeS: '1739099505',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3970182546?__cf_chl_f_tk=cXtTw6Aa3.DRzky.u.HREYi6MEr.vfbgzcfZtUZ7UrA-1739099505-1.0.1.1-TFgd8ata0tutjzi7hI2vqnA4Pl1zeWiHnMCgyLT6UeE",md: "VOvwRAXY1eAVgQ1vBprnEgXPlcaxDxbV7xATRQ_0XZY-1739099505-1.2.1.1-5eMYG0CSzWIgWHumiuZo9IjyhfbPGo.PAMbCU3UeO6IQUnqC31.74vIgGUhM33TNYKcp0tLpo.aXKA54b6YwxCIaP5AYFItQjABCb9uOT_CnPwm.dCIFntp9Svg4pJPdwHUzcEuGPTA0MDsRQkGPMdh4Q.HsqeRx7p3JxqWmZXxUoh2o8t8XlIFGjWjLBQp.OWGnJE4ZG6kv3okCRfurD8JVjc.ClutSIsdrkBL1aThBjqQrP07SiHbvxxxyhh96cwzU8nNtuvN9cmCacOWGn6_NSyqP_Vg.RC.vx4DMla8YND0taIoxHIZU7JDXQN17C96wYAp_wImtU9Y7tICdv3dHT6A1ptD1GKyOp9UqFq5UM_U1WYLjaqyPvJoMGoYjKDRnyfARM6uhRF2qRPB7DCF3Q4sF3hkzxEvqiZv67Rl8.cYPMqaOuSkDs6Ter_iO6mm5sS78pRWx_z0xzHVysWKtDL62R.Q0PNwA7SYuQTMJ_1HuWHyEEAs6b5cNmo7WUVbrw.tU0by75BkU4FXpIAE2_juulhj5lkcyxPJvvSy2odop3cPEhJD3uByUfvG6zwtavI6CpuZeGEQdxuNlA_F2br1mVojK3nK3kDtJ8CJPRcaL.YSoUPSBGOWCKNGPNb4xTM5ec2S2SOGiAmdmuKA74E10nh8TOGgzCcxUnNz94EF_CjkQ_C20URwI1JeHtqMt7NG3HsLIoZY_ikbJ97tVqFazb_Y9LWGP_Fto2ABAVqMQtlTuJIl0KD5BWdeQjHwTJZIvJwMQ4kB8VDEGd_NPltrTUH4snET5FA2sIwK6igJF.2dA0wyFvDdrxtbtQscj572C5uSF1_Brw1JYA_iAtQOU1XjLnMVk_pc9p7tataGFm0dFTFNG2RFyS.K2um0ZRiZkK9XV8GAHWEba5TPwPIgKqtrG8LrLwAvHluM95D7BognUmlnuFQVygNY0uFgMPFa3Yc3LCC.TsFnVgz2lLNxdpnKwceyQdAohjbHvMR9XcSmEGr.9fIDB3HBtQND8RvID4QMUle6S1gwef2TZ5A94KluQjfuvP_NHBL6HwfRfIwFZcsydwMF4cGZPKYpdu7Dd3TUlcR_gbYF4_nJr.ODsPpP2w588wXZnys2n3ZQWYB6aQWTiZ5CX4ZxYI0va1LElHhg_JvCmdZ5c8cQqpxwh52My8tpm0dEj5ZF8.7hcp7ofdRlELHe24vhw3pRIycr7QJ8XARsf9KNuHyeypJmYvXYw4qrdxsaHEVJcsDGRQ8V2JTb512jWPj0vQ4NS2FekTHr6oVWyaK2rmx9QjwDSDGBzsaSEsi55KYyKr76k4HSlqKCD3MY7pVbB117KJXHWGCalnTrAD6qFniGxuazC_BmCDeAEkxXs6.RfN_ix16ftTEjvaHfpzsqAPBBe_nd6tX3eo7wowJNwnKkPJhOcPDEtKt0KQiUhPESC61oj7Q3ezmJf6gmvRk0Az5OKGAMA.ii3y5XtLd16_Hy4CbbMd_cJqa4tKu5DYQaA0jKb1mI29W_pXdDQJ2Ub0YQ0thLs.9jEH7EPpiZA9XrYOL9RgSxCoV1Yxr2crZw8vFEfMoZd1cbzwWBNv7CiSdZRO48jlsPy0y7eZs9AMtgY9qU9M8P_5lWnbpaluiUkyn4onSE.xrmIypu9zi.REHuhjH86Mjq0xuziZQ8Q8dvgsBeLkpzlBooiRGcrhaYg.GNZ9zUxmWKMNyD58NLACji9h9VkdpnnsHwf1ne_wXMAxAECMohSl_md0LJ.H.GKIliZEA9clFsvSAaCaKrIcJ5tZTfam6m_Yj1qW7WS_A3W5R8MQXio4XRpieSPGsWL3rwU89CORVNBgB2UUY5.Ayo97t_AWmqIolVbQa.wXCRi.zZsV3sxJkSrC..u21Y6oqusVx7aZZZUanNyvh7i.sLZoXjKStD6uC0gh2BZ4jUBaMZxQa.MF1H_6OHn3m4qkCXvRbDTCnzltkHAFe0kNhWb27dL8WWRBsqoqGjWIdM8KHvJ38FOTPim5vsFMozx8kwyAq8qaq3hhWx0PHs.ttw_hHrEjutdSYvuUTIhC7JsMdrr65axvXHxCk1o77YWyLABxIX7ipKHBNXe.34JnXOtZJSvP0xyp4NdaypsTqcK0BwVLH5AXwP2YeLNNVc2MZxBAd3MZwoR93l1Z9DN6DJuoeiOhDfJSCHoOHpwexmVyM4OlGa5bg5LMSkZwtQn_ZQWxTBfuk6XhrUE3OaJ",mdrd: "aTqLGrY.XHyQnzlumF5RAuq_TFnNtkwgKJAg6cTSj60-1739099505-1.2.1.1-mwMF9dUx4Fw24zV_5QYVhsuKKDdCyJNhTZiYT9RqTavCxThTs10sHipcAugE0wA2MKljAsav8uoGsskuCnyM4tDwvXgyzVCOQYxO_m9T7_a4rGBzVyCK7Jj5wsjKfwXP96e0EqIst4brRMkvLKUphXlmx79kD8_3.KWHn2NdlpsXqzC1Mf0uZqQFDhTY1XjaNDwO6jUZAphqIEWCxg0lVvfJcL_Gvh055lO5wIaX_DrZ.09pb7_wb58S86R7aeVFZTzejiHsleUZa_G0FdTBVfnjEvHNzfHfkqD9pN6i.EcfdHNAhy4eyggfbUxZ0dz7U4oams5UlimgS7QMBNICC7JLD_VyRGvR2vFy41pGLCOmX03i40Uil6.Iek6FNrLoW6r9jiGMsaE_Mw.xsQkU9YHT3wWcOOp9tuBATmNVKIzYE_yWrBt9pG54.TpR2aGlq3pqTu6U7EHe2KMHeeR1EEGp06V789CKp4tsO2VwK7JNiiZvLgjE2dqL4i5S.yTw6pVUSxQWxx5bS0b3TpBkXsI8fh_S7z..uEFP0pyKPTgMKbPOKiZYhHDOcXiSyFzOL3sh8NRJnTsgaxkCDLhV3oYF9hhMO9_ko7UKnWIH2pUM487DDUOL0BEcNS2VGStDwcJACsqJiOhmLQy79zTadZla6U.3pDHZoJPc4vrtg_bLCv.EXHfZCHq4wHCED7lPT5iGHLnxfSvNV7pMCDMpktxD24F8v8gRS0TWpQxJq0BQmUwSLrzNq9f1UamQWdRcPbLZ5I4wKBkVrmCy32Ytvbrn2K8zB4nAKRfB4ztfIRPexdgMRWjsrzWd5JkI.snTxcDZT2xbH7w92gUMYuk3Hzdl3VIeyilwu6.znhlLCX2zgxGhsiwjLnJFufHeGfP3bTXpOYYd_Fy3rLWsa6_5wtFzgpO7gf.mJt9eKyoOkXp40m3mwYZw_RRqLyWRKzfrwBccfmDKlM.A7Lf0jKB2HTuuJjd542HSoCNXWYoIcYgfJEPtZdlcicMQ7H84isgJ9mAhHA25cmwjShSugd1E2r2aJv1pzp11jBOzWYWuHMVFzl6cwn_MKGnyJVv2PEO4fwyTjSk_1eVqF1OWIyDVseU8ygUPKXWp3sbw5ftAXQOTIFGsyxcH0qFVjDVOvWoyn7tJXIMgKA64is628Pj8QBANzQJTgDam21J79o7inLTyos_o.zCYd4VQIrb11zcRM6zvG0uS_uUhrvj8hW.R7saBHXn82uBCRjbILHYhhsXMH_wkG8rLZhRnvbQ_LaslP.XVt.Cob48Az_R4MG_XWM4PlRtzD224D7lMu3Rwuv570_T7HNlhtxSOJHxgsRJBf_y55meGLMGg55TZGxJA194nNFKqgdyaWpQ5IfbbDlkE7UrU8IRQ60Jzqih6eyJNAnpPRgzjjDfi5GgfaKec32AI4iVpahvWiNJHs9pcDRUZM92z4KaQWaRyVauWoZAzZkWYx1nXGyPsiPc9OF480QIz.D6bvFEOVGL6ZYPB8O13QGpjJRFHFv98yDy6RQfg_veoaVVcinU7_0yu.RygoHlXFAss6.qfzq7VlZVPRWfqlre_qHHaQ9KkLABK.5o9Ht.1Lj7i_ESSnWE9Xgv2N472BjkaICYSDGwMJvibc4nLrLREoXoxhnmvsPOulvhHI1o04oRUA8sdl6953AlbF9WB9RuRLqvgMZqgyR3HGCK9F.tupbwLkRy_uT1Pyxtg7DEBg9YxDqJXzyugUxpShYoCDkljaAjm5D16_33GC99i0ZnBiwdvNxFQrv5eIPHMjiZkwXkSrW_x.534_UFdsTLtzdAHtnvGaoOR86SnR0A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36ba6ffe859e0';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\/3970182546?__cf_chl_rt_tk=cXtTw6Aa3.DRzky.u.HREYi6MEr.vfbgzcfZtUZ7UrA-1739099505-1.0.1.1-TFgd8ata0tutjzi7hI2vqnA4Pl1zeWiHnMCgyLT6UeE" + 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