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://keen8k.mit-edu.top/post/7290564381

  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: "keen8k.mit-edu.top",cType: 'managed',cRay: '90f19cd3bb19d63d',cH: 'xrGz04DxXiWVMRyRQ8PNJKFCFgXe33FSa4K9RGyCcJA-1739080548-1.2.1.1-L6wSpMahUJ4.gnyPJxx5OWCEUJCUKoOxIUpsEtXiSOPQmJxF05ykXlwDhZBVRLW1',cUPMDTk: "\/post\/7290564381?__cf_chl_tk=q2aYrYgdk7.eOlFqbwF.uguN1nc0cCJs1Y17T3B1yYM-1739080548-1.0.1.1-MG8IvvsL0wKpyaab19OporjFPJpjEDAdg6gBrwsiIA4",cFPWv: 'g',cITimeS: '1739080548',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7290564381?__cf_chl_f_tk=q2aYrYgdk7.eOlFqbwF.uguN1nc0cCJs1Y17T3B1yYM-1739080548-1.0.1.1-MG8IvvsL0wKpyaab19OporjFPJpjEDAdg6gBrwsiIA4",md: "72MOnSeSXWzZAZWFHzc6XVQWej8jCmorOu_H.hzlIO0-1739080548-1.2.1.1-eNpJO6O2lyEvEjJI1iqQ917IIp_LijuGU61yTkAh_ITVCXWFUYl3yclY9ipuVnzhp88NoGa4lgHK9O_fa3RrOOLuQXqe8iv_opuwKgzmmClacpwjPEPW5Kkb5b4WXdq_tWq_BlQ9qt9QjFlJTYDWB979dx3d9QvdxXL11gnvUVFtloRG4kEI0eNsSWOCX0r19XdHBkZH9hoPExqnm8sKr.Wgu3WDgp.4uk4FXxsPzpQ_sOivYMYZAJ3XTpoJqDcGb6DT6PCgrpoyG9UYLqUKPus6aQO.Ezy0Cit.aZYNHY2V8aHiwyQNyDlqSQzGn9yUft_bDUzmkO.kHHFKbE.wyNcgBCOyMonpq55CEfFF6Pzo4RzSfm69HBO49rFUWDCSXxI0stgc6tavYOS54onwr6lMe6qIKRK.dq3NoA4TX5nrf_WFS6GdLlI.llrbi6WgvRzxePHSDDADqyCh2OtLER0G3NmZwEqWyXXMM9G6EnATAvbaLxUulpY8DJkjKNMQNdZ5TaqSzoOAR5mEZkkAX_BecLUWfQFFAn.xLLCqETNpWHlblotRq2xA4JD9hdz8TWw3XndnuS85FKUIKYoyZyFp7wJP2roHy.HcoPyZ4nryliQIHoqHub.6rmG1A7ZLJog5tOOUx3H7xduHIMvQi_CDwTtqsKk7nN212T5ijFKhLWL4m_iQ0VuK.E_m2q3ZbxwdJbKE75raVpsu10YyiN.ZfjMEFVXnmcuLrslRoZwYXRFT0M4iIuJKiLNfQI6jLLKEclhDR0bCIn1ZuUUbdgvSCpGV4apKnRShzP6suwAB2GgM71xxpFIpxErmpe_Zsv8RC5WRNpESk.Be4YC1XOIe7OUKr3zIlmbnaQ76.Dc6sBZuamGajWscOaxkBKSZgxlsal1Wc6lT5RUOZbuM0MPFX5Jw7WoAmCEyPmu8WfWj1GOTzRWOiFMMqsDyXBcZ2mzP0Z4ELSWFidtjJgNyk0UR2ZTNJCJudW7oa1euyG.tOMJ8qvd8sDc4J4r8O7XOkgCSGimunBEd8Vbk_7HOd5g1jMvSzVQVcimUJtxcpcJDf.UlTiduq4cltlfi4H1ktlI5GyyByt5OCHr5zq7Ip1.10POs_k5nxnODD.xPZ6Xyaw9RK28YOo56k9cQHLD3PTz5ev.RlsTnMg6SWDj88b3Dkkb4HWyQDeAQfnzeTPHPB44bYRhbxlNvMTLBNNct9ucn6eHNQt88lt38uR2MpFgpBh3r9hW1UuaKtWKFzh9ON8DVkT6wIPcxtcR92TJFAFYI9Wy3sY8N7NxplJYubAiYHC9H0kmrnhpjMmC9cu3Vbegu_9F3q1DxVdRnN9OL1He96pTZ5UbIoIHcvAE7ySAU8PTtyxYufMmVDNkt.9Xzr39OFzqtIiErtl0ydcRVCDoVl3KLamR9DuJ_PkLv3pKXABnLR2UeFWUj3z4Q2j9haygUsLA7ulecu10psF1nRG4AHW16jyRNTZFLfYytx8by6eYFo8sZYjYrI9Nr9sPBAMlrvUB4G5hA1FjlLdHO0Lp7zBsjeUy71yTlCuJ2t7QpeI2yS.A7AbP1l_IM7_0QzTRbf.CXNx2Av7Pm4BarJlB5gmJTJMtqM_d_Hv2E3lcYc8FTUy3TY2u_YLD63hLPzqo2vexM9RVPwplLtidjGwaNXVgkssZzwKflaJH7JXbQBPDo3P9rdvcvkjDj910rgQxKqDcGmftk2_8P3AIHhYpvOyGRKvDwX2BwdmJQoYb8FhP5wVD5i25wd.Hz7nzmFBXeKLODt.MQW4sbOLJ8vijMRK0iXqZ4sN7E_NEbfuwB5_upEgmSkEYC0a9U4AMJqB9X7XYWLBIEPqSWel5noKrHbB0Ct5n8GOgTkWe.z30uYVn2.QtMKNUKiKtNr46y4cs91s6n4A9Xn4WM_uYEPqdh7XuGOiB_4eXhW_KZLKDh2ua8RUsJHDxzn8S3n2eMmS7GTOMa4AaENE5LMDnB7AwhubNop0290FMqmEhobci8DKICtcWFlF9p.73CFLxbjE2MJJFoh_PojRMIeU8BN7bPJYz.kc1mzjdy2xqyvzu2KJZ8Dk_hk7jMnQJFsJwBMQH0Ydh0sQonWyq5QEljOCWP3T75Y95.TRqpY92QgC71yFfQPZLl92K5iDpef6TPjtsPl_SNpnRNsEQZwDkHScXoNi1Np8gIUByyO8PVnduwggqN8I.HOG.XwIaYE78",mdrd: "MopdcbxSx9oe2eyuOukAiT7L.g6x9iVeob1uWJGZqkM-1739080548-1.2.1.1-mIARZdkffsiZIr_x3ChGt65bRRbHC_a.EbScQRPhMwLtPOaCKkWogYKvc7cingbpR26Xiljd64cTOZzvNxItC1vEZQDWQuzE1ZUM8CU0KfEppAWVK5SekSTu.egUa.Ta8TDwDAhVH4tZKU8eMmY5SViuTKOJXupVcdPq85CMaXWwcbNqRB9pDyoioNcubT39KD99DGNPA_p.hx3X8YQ94UC_yw1G41G.rD2nmJAk8if1HQJaZ8ga2H3w49WjCL7QA0nb5ZP3JWkfwtDLnVX6S5NB75_wIONxljyI1oFLJb1y61nKCnL5x8ZLmqSOIo88WDRmika7TXi1ekTzUQh2urPyb03aGkuLR7l_hw7yg.3eiqyrdfK4JqG8vuTxUvnWcqZhcvABwCfZHJ4uiNU_LNpVK33_I7t7gmQSJptgSBfViIkOvEWGSPkCeBtTKsMl7.c..f1zFOMIYXG..p3O7nZFsKxgK1SOnKy3cb951Po0.eFyH_IncvBsHn31A6__TLEnEXaswKL53U5Zpqrzsz8WUSLk44pDBRp2mvtyb5O2j70hiGff6Qu9OJ_8.5sUzyaPxkTMjKJi.TyO9WDR3ur7xrsWPN_fgIzN_oG2lZrJyROfxDosXtCzlVO8QLHL_6veHxrBNzkP4mlnSpiGC8jEf9N6NCNg5o1DGmPoowrxFHhxxbgeXLq2Y3rEHoN2e.lIbEXW2g_SXnKGIzFRtL.D.L73l12ECFKglfcbhNXAkVoqCYIamyyWcF4Ybw4tMJMBinQMWHhI5kHi_E7C1rlQXnMsbFkJp6W4UpkA4WwAL2teemyxe8Grga6AHdE4Sfay1ASOe.ifASjezpAceKrRhyHUDBwsZHxO0lB_CdQdnvEAEnJ62KilNoK51eznBjIOoIy6xr5lvuKl05eqLx1hoPUds6uVZxV_fTe8aMqU_L4xPa5FVVp1wXdF1iUlN6S_wn2S1gctjfmaj_tBl._D8BdcYJPEfb4QL8gA8o9n10JuFbB2UPD4NcaG6eFyCSn1PWg6M9.1XjElIL763.pys1ie5.R7S1F1aqHgasdYk1tmOTPB.4pCF9QEW1CTdm9wddt7FiPgeo7_Qg4_E_VGVlJlBs7dRGmaGhllbhWuTl36CRBiDsw44gtkAHTWABVk7PCIwKBMhCD_be54i_mF8EBEmiSzB1N0x__N.UTc.U4.9tuzf0QKYVH4LL19_VjJ_MSsQBaJUCPLSzVdi644qpmGsywSmkLbxUc19BneSqX4Y4t8lz3Guca07SDoA1sWbJzXRvFp6jjpFTgjupAp9ZAQwKmXY_fMpzvhP1ti94Mu8hSWxbIRCn3zFMFiuwtCo2hIfWepuIJXS2oZIhz.PYxqi.uQew3YMni6T5.2cL8fETriBK6FVY2Uzimnr_yXAeUCh.xD1X6Ov7NzYIAwdfvd.lcQi8A8jJUdbbAJBLhtHzsDNTMnOoImKhWQIGud.Xn_EnZ8Pw7Sp8cMq3XLClwc8BEvDbzzVWpzgJO9HURvUaW4wQB4C9mvqlLXfxdGrR_.taYnXVnt_Jw1vHOriLDzsTQLbWU_2lMs6YzWSELASCCIPCHUsTe5XCWXcKZpIFzJQ3CwErBKiIISx8Sqtb_nzt0Q2Q1Yqg66h3KBmcV6MIKHCOLreZ_ZVFYXBtpNwyuDtikmAZq7igiOfMtitMF6kPswdZFfKv97ESwBlfzv3W.ueeAiV5KiiibaohWTlAuVza0VKsgIUFxXeREKAeeOPLdel_3UIp8uSPq2H3szSizwhvI8pG0nP3FgIbDsuI0wqoTsrR04dUlqaA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f19cd3bb19d63d';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\/7290564381?__cf_chl_rt_tk=q2aYrYgdk7.eOlFqbwF.uguN1nc0cCJs1Y17T3B1yYM-1739080548-1.0.1.1-MG8IvvsL0wKpyaab19OporjFPJpjEDAdg6gBrwsiIA4" + 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