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-aff66flno.mit-edu.top/post/5417603829

  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-aff66flno.mit-edu.top",cType: 'managed',cRay: '90f823d1cbc7828c',cH: 'cerpV5FHQr9EztlsyGUBEwovqzhY7hDXGS4WXio65J8-1739148992-1.2.1.1-kkbv9F9XDCE_evytKnNmDMa196f3mdDSDexhTVjgIuOK5Cm1HRbvnq7YEOZmbs33',cUPMDTk: "\/post\/5417603829?__cf_chl_tk=uIN64MWyw5sebRLpHWLoCtTCRb4oj5etXqUkEhadQ_E-1739148992-1.0.1.1-ORRXAF_qz7cDADLbTw2O_6XikNrc9bVaj3TqlyW4S.0",cFPWv: 'g',cITimeS: '1739148992',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5417603829?__cf_chl_f_tk=uIN64MWyw5sebRLpHWLoCtTCRb4oj5etXqUkEhadQ_E-1739148992-1.0.1.1-ORRXAF_qz7cDADLbTw2O_6XikNrc9bVaj3TqlyW4S.0",md: "YPrM33fvne03Z.A7FzVTxvYrkQqtDBxz5rOIGqFDnLY-1739148992-1.2.1.1-HoSVNJw3yXPHdQQ28IaRzu4kobSuhzDhIjxrNeAqox9z3CHzE2ulPZjzMnPdCHPMNkNlbaDRzb_9A8h1KVwus9yczbcU1QEFx7df4aQsPvA88MjnBKwslqLn5v42CYMwxk87yaZpXS6IuUqY7wdaD5o3wNvGOREfAKCyElFSTP19P46nKi8FKog3lZlKYqRNPVntELp5.YwI1tgrLJmIGRTSFeE0QcAspMECcFt8O1jSyZH.ntEMzzAqPzAh9XtxZxmwkimDOUzF4vXqg.9y7jdYcyj1Tc8P8tnX1repUxkDJ9Bwo.seyI9H8NVU7DIwFN0SnBSrBFMHYpslKsvh5h7xX9d8f4FyeMFLkVCCwIYaN3KJ0TfKl9ne6.TDAtG5.Ov5PvKa.pZx0zbIaTgM.M8xtBZxesPRoPVhZeYv_G9pf_NScYrKSbAdb6ZI3VU_OdxQcjB2C96JSR8akdT3vZBjSLhLUEJ_55neXqKTkWY1JaT6RPbxIF054ZjYPNXXi009C7m4ejp.Bdidyu866SxWNSkhF_mVcDvRKtIB.SKCHmeW4VOZVWRDkNCZpMQlUZccjDrv9mv.nLKIGk4qTAYHZh1X490aIOXy7pXOZdB0ZueW6FsqFw6Bci.MkflvLbx8wYlyGLe0R4cqfg73NGnfpEBpdaPhF.FPPtFhNn.Ip1.ijgbPRLYs3y1uxi9wCTpXb9uzraJE92qf195FUmDuQEmfMlPa1B_YpI8H_.O.ullOfnflyxOHs8liTYgzYzvAJz7uFhgXxHdeUZKty_TqStHFsV6FOoW7riNszg.nUbEPqrDucxtnnIaHaBJdMEBFnSl8uJK9X65hdvgCjtzEQY8raMPznbQ8LAms_BeaAIEhqK9tI_5pN7lm9zL.Laii.B4XOuZvn43wuuK7NLwZc6IfxaRwIq3NwZfs_zjQUH.A3OS47reoogp_IAjKSEJ7pfBtpMueJc581uTQe5kNKHI.VsvHbv4_fp0WXsK000jmtSoXlFWZfaoTBoBB2SerzID7Ss8fZ6J.Ww_BG_oI6PR_YLC0VjlV7r7nJXBayrNQs9qIZdxg.QbMMwTF6E8T4WjoKwSe80hS9JaMVNLMdqwZcd.pMOG9blyaWjMVJySwCrIFMzU_WvoVQBtv204qL1oXO5OwJnne_DYBcH2Ae7lh_m6uu9JtK7rKl2q7k0YOArpsfNoNOcpaaTgOMtZEA9KW03jrqq9UbTDrvgCTrQFvA6dbIQJOfS4_qx4LTVb.gxryz.q15KRVTubg3hH5N3GMySK7597s3XuiWNk.e7CzCaV6KAASPHdoCINeN9pvWuurxJoJvcbCsjcFX4DvETFvDnCs18.24lSTHYppoOylH3jDdA5RUFPsjiOfZut9lnrxghkELPGkU0TPspzwTdKCt3fcVNZ54tixZpngYvFfr8Rp_wwYdAdekulD57W_4ZGKInop8kTMxqe7A9l7soDGQdW4HQWb.aCOhn3nU0uz8zrGgMxxSrD2GSHyNitAIOZVd2xlX9r1jhD82CjHZHUxxFOpCGBtJFBB7Fc4mpxil2RTlXoSSKzvJkFkXgQci_9dasTEcUxUjGMv2TNCzRHSsFTnUQCx7lKDPY.w3qGKshqcm2PBbtdRO4GUedHttQZYhhGrKEYokZTzay3_KLXqChUmCTZ3ZPWyb6th1y7TwBxKffxlyYJI1UrxAYtfUeuNA0VpJRDW_1V8HtuVJH.qJcudP2M9xjYAyYnVb0blSMok6p0oOEsVxVmoief9_fnRtJBR397p_ntz1y6NYV1YyrRwSkZfieDl6N2yZNbxESOvsE3dyNvtp4hudWWrKP2v3Pqz3dpyFlCt4.3Xlxp9zn6.164lLtuK9BC8a4RdoeaGXc71sA.6UzQkxdX10Cj1PsRL28hrWingCMpXj7BFTt4VFj2fSizI.43W9MTd2tN054JlybE7nzduFWMOfhw7jKcDv.Lo0o.wpbKq1sR8HlFU.37qOr4eJIK_9Pjb.ebQtuhwRlRGvtFFb2_nk2WXkVOWp8AkQyJRW7vw7u4YJgTx1AY7LpiF4IHywpSuuuT5Cfob0HUR9wLJdslDBi7wPkKpsGH.3mu86C_nPLF.4AfTZq7UtSykY.aJKT8A0mga.Opk4CItxKAwPjNZR5zRXv7H.CcT1NR5aPt5pIY3reVD1ad5dBMtrYtWg.tgJv1842fxcafun_DC00CS2OAyp8GjFknkAB78",mdrd: "5gCNInaW2bVOFU8FjPamZN9DQNlBmfVa3vTT4j_Q28M-1739148992-1.2.1.1-YJpBtPGuSpXzwP4cdrMxidGv_iB3VhyRfmS1RplyMArCc0.hq6Od.hjiH_nLrj3mePFe4AA3p3mAx4YFJ5Ubjpbz42h9rCJdpX64cR4JPprx55qNdoeo2Vbk_XCIahFceHX5rnnmMQAcznTmmAfvOkd5XZwVbCN4_T53J2WuPXIs6wY49qo1baUFy5h595l0m.NKexTCXe3UlBm46i2mmpcHICpJV21UeF1NrMUyq8phl4tzcSKj7LOck3qjRGI8V9M6Ke.yYSdLqgDKxt_ith06Lr3YjupGp1fRH2vQaTGUtpSPRUzysdsli7oqPwv7fERh5NzFGd5PIuzBaFP6qmlcN5GaBQgNIDZ7SxTRTIR5zqqOYgsGSvaBF7dWwa6JE1ho3xyEEWZ0CGkMW4hzQYUQdsPOI_mBwiyVlmHGFPJDZ2xJy.764P5tjruL9SextUhgPdWpLoTwYYSpVbtcew4fPa8RItr2pbT4ibE6zSb5I1UBqAHAfkOIWKoP47pNQBENwY9pqDr20UJxqniAkJFsOb4mhJaBtxQYr9m3qZoMew3qVD7xeQvtAzkolrBq2stShtS91sWMWGwllFMj9T9v6ezVoLP4K.4zp9bPTmSz.bz77UfbW28Ck6QiXaYhMfNWJOYqCfys0NezaoWthdANGWBAQUiDl.Rp_5ZqVeMV1sc_AydJR0QaPlqdg1.6Tqyuur5Z0p_Hxl.mwfWDWMdX4NED8C3gKDX7nQe6URafdj0qwtLiXYTDb_GWr.J0IvgColtaaHLLJEzHrsxiBl99L5phSQwpIquQJCTAkRF9hMa4wK9KgeyW0._HohPyyCXArxqnIlvAL4z8jQvWmxJZBiD2OokHhtyrYZiXhBECvlsK2v151TnHoBlecDZo0n6wATjXmGoYGorB.ydaUnmM2atyrxH3rWZ4NDAjWwdxeQdDlQq0qrnkxrWv17H56MGNYINQA1Yav56.Vqs1snKJiUrjenkobvVxD_.GwtCKBzkn.mATucrANUdJOwRl61c5sQiJ8brocLHItB21LSCcWQodZJ8qJZoMwKXEK8Hgcdc_WFapQYioxvNkws7D3EcGAT8gWm76vfYWlYNU1FOKLwMDmQh5U10MRn07eP_uUiB1XoGg_eH9XfZ2CGZtl7TH2Iyxgb8mCzK9CndgJr.W25.EqOO6DV7jzYDAk4Ddfy3dHi.Vz7vSwwCI_HeDAVPlyww41JYrLGzzBZmWKgP5PRb1C6mS.Xwv_0396eHstOUgNwfYu3IsBUJcPl4g1Bu4lKCr5xsKXTrrcVkacPrXKlbW5b7LeBpKyl8RMar6tkMAF959lkAm9iP_NSbk9pERtwxoOjtrUg8zytSLh7tBpyaDJibGLGzpuqdpF2BUO2BJHKRR4u6m3nh2.yo23W_IQlFWSlEzEmKz_YJzTfmXvOnBra.YnjcSAoEuVxLmcdtu_CAl8su1uMRpiw8SpC6tR.fibpiCvbV5FFJ4_UQ10fVjUIWT9MCWhHiQkjSau_tewz2KY.HV7hOL405VfJhaKJMnoHSqT7Z2LnoWHxmGtaNS723AQ_mOEkqChXsqymypIWw.F5eeNl9wtOGkXRzkR6rTqacevrpg7II3umBpv3lh_BosMHhMixiLydl6wSV2sG9jtjJ76ST9oWb4IGo20uXcqIh6HEgoKyjh0VDP7Z64l.G5Bxghmw_KRAP71owvbdwTPOktmPqfwNu5hViYJ8oLsSS6MgrG.f0siMSwK_sGD.qDClzUW.esFwYUhim_DH5_ZoeahWwaKZfs"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f823d1cbc7828c';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\/5417603829?__cf_chl_rt_tk=uIN64MWyw5sebRLpHWLoCtTCRb4oj5etXqUkEhadQ_E-1739148992-1.0.1.1-ORRXAF_qz7cDADLbTw2O_6XikNrc9bVaj3TqlyW4S.0" + 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