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-289121319727.mit-edu.top/post/4365089721

  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-289121319727.mit-edu.top",cType: 'managed',cRay: '91fe7f24dfde3ae8',cH: '5kWori4Q5RcTHWSh0ExJKw5QvbZrWjBDRgjZLWrYjoM-1741900002-1.2.1.1-SFM.FRPIZIxgN2cn0r_10aHgwXrjvAlNoMTD0Kn0rmJgEw6tp6.5DjFTL7ojx2AA',cUPMDTk: "\/post\/4365089721?__cf_chl_tk=emJgLvR7rjP26Qc6DBkCTJAykzPBlrQRvrVLfbyBdPA-1741900002-1.0.1.1-MgdEw1zrjfYyV7OhWiJtYtWfnXp0_LAxqzb1PNqD5c0",cFPWv: 'g',cITimeS: '1741900002',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4365089721?__cf_chl_f_tk=emJgLvR7rjP26Qc6DBkCTJAykzPBlrQRvrVLfbyBdPA-1741900002-1.0.1.1-MgdEw1zrjfYyV7OhWiJtYtWfnXp0_LAxqzb1PNqD5c0",md: "9eEco8jKeKeIbct8kyTkqJjkppYHAMjat5cOacK2cOw-1741900002-1.2.1.1-mB_5vSZ6thkO4DPd9T9yYsm6Q.cDglegPxNjQX7qhjOZ6WhX2qd0.yalxOPxqAlxdS_TxQ3vLmi4HKGcOOeKg6NVXY.v.z.9O_6PPVyBXbTwRfpsZ6EtogJJAWcB1Le9eGyIYm_lyaDD69o7RLPfFu5cQwpuoRm7o86LWxmx.HzQfKNeL4PMWMihAeYH2auF0r0XmhqI3R_5K_IcqkC7zzlhRPUcL0FRjrHXz6eRsH2TsRsHCgeLbY9nbcScT.gj7ZRiWMg9qpctSiJ296k_peJrel10TpLg8TFIqQr9Xe6uibpAdn5aTKs.wW.xPoNLsaauUKFHvVbkBWqUgetBE7uqR6a3TbwGg2PIMdbwFbA5Ajsqb5HtC8J.uWM4aCa7jOajAY1i6IqzP5UPULYYryx0D_gLgNtB81I4qfk2hdad.Ub4h3Caa85f0ZYuWF5fwNM4DgYpkButCHHxaHSf3Ua5wQjQztPzp84uV94JqvLZrW.gk_L8kYN2soM6.Irp4qdyYwAVcPFLTy0VhEXuzV8UVeU6dqNqY3wKaICwA2NaBdjjA8rlKJ1QlTy1S0rXUHreVAmYGewqs0D87JErzIB01DyWP.BXoOjuXcG88mh11DcOKnqpVu4aC_rN5M8LiHJV4APlojm.CJhbcRXFwv6SfRkWfI.1CvvaQzWGNvijGlkRV8IFDnu1cPRz14_CyG5XxMjkIZnNd85pUhbM10QvcMLam4wh4MswWDxRrh6os0XX9M0kCOWnXwyC7f.SyIgUNzMCvC0S_IQw4elTA8Kgj8WVOM4hJ40rzTBMATg_wlOK9sxY851c7qj4cWwwedM2bjJkstqmk0hHE4i29H10nSYod5np8wCuQmBZ9i0qd4VXsuhVoUA42oOGVZA1j7Ive.pyycCaW2YVg4cjDtmdOKRMCDjd8.b__3kb1wwliGO9TmFUS4VPgz9UssAg",mdrd: "SAyIKSmJ4EqATQLFbdCSSunEHvmD3TqkLVhrciGl_gA-1741900002-1.2.1.1-K6z6t4hi2qExYsvswJSHFfQWdSHmWnHqJOmwjhO3vTgwo5fZ3Mt624wpJC..YxoOWUjWcnd4qZLYtrs1Nnf6HLHwLCGXDDLmfl_fApaaSe.E0ipx_eZRGneHT8DjFx60mTNliDHN4cmuzfUBcUcCS7uwTEPoku22DoBru1RkvMlAezCY86oD6yNxe.xn8wAmNetaFwZrCFPnTm2nSf4FAXVRhUHqaRC_5yOOdj1cTq577bD4vh7w3XVw930ky_jdNtBwzXK2sGbNiz.Q56KrkgLBL_YUGXUpoV8Vi_KiVDdGgCYQjFaL5xd.ZI3Q1zExv.xua7QBhw0OYMldcvhP7p46QfJzwXvPo4R3DWhSTQ75Ppod1j.ehi.6mpFZIELwKVoy251kTtTuXCeM9UB1wBr3KGh37PobEzzUrrKrdwzPWD5JnOR0Zifp_bNl8Ao8c3rMUnCb3QfAcvmFfXIdaMJW..qYLJr4tErQaZZGHsMXgamhDO_xQKJswOP64KzXrt.FR.FMRT9dI4GroMJ5o185cIyVI16tVDHdf7lhgPN.Tu4d1.KHZoXbUpVw1YmqrFux8Xi1PNAnVSGtOWi0GYP3z1LnEZzKoSQpqn5P9hp4gBTUYNkfzfsSOI8Hk1Q0X5GRn1LEZAQjqruOVmQZisPdPr8p9cuDe3Si4haSBaN.fsKCBQP1RN4_z7s6rbLrwk2kTYmEkxEdoWMF0AaOL3jZ6Xw78GcBuZ4e_fOsnmbvXKjpy12SR0KL11.6KhuMdgf0Ht1_1jDEuAZ15AwwTvFRveaVnXyOESORYeFgtnSuqV4RWRLGmoGmbL9_dA57h3Kq_sGPKp3jJySTTe8voCBZColPboIMI7q.YPJ2EI9CgMtkqXMsJzDJ40zxyTRz_g.RH1htdQvxy8KAgDEDTPqLtSfpJR4FImsWDor.wgW0b4tJaDmRL3LJLAPHxqXMz22yhXxuBJ9RsGrpTZSFQtKW3X4mh3Y47.O7o_NDnJf5qRGlGMeKRurUc_9XF1KMbw8ux59WYOD6Edh7odh9UVw0IMjZZfgDoJbKqJQ9xZw0pnrIyWPjZtMZYGxOwSqD.vMvIekFXHSneU.seYPmsVoUBY5VgYwOO6RdZNwOqiqnRur_pQdblpXaKRv2G45kDlaF9j5L5dsVE9N9FgwLg9mSz.KPnl6o_TO3a5dZay2DCVCIJVHnttiOzrlkFv0Uam46v4njaLu2RumGZKZKnPxMlvoESBgnKx.4OchYY_7hNUBccgk8wK8xmo6OMXs0pHiP1xRDo7s1gwfJPV7FVd5LcM5.zx.kDbPVxpJU8kxlSf3_5Mu78szlgE6DkjcSgj6zdiMKMSmp7VyTMvejSxMNmjSkh6U85x1IS2nQeasuLZq7rzbKx3ylO63R35PeqEWLm0CtpJRjLjXBgGq7w7lxyQ3.CZOWalcY73xP8TFZQ00AJyx2Ww1ZlZ7ma_FOI9Vk6irNyP6ThneKGloLRyrbw_3CW8RVAcaFAdEfRXNL0D4YrhpeDbKruPjaw2ANMrB6rfj71kBuY3o9j33Cc39XdI0QH12UfCR6Cjm064hTYyoU5r.iBDMujyrWnJkXHYN_UPSG7svuVlgCEBRSLC0jJ9Bpc1LOg1o42VKxsGmNWnh.z342m5AAX_a83K4DSRrP6JSc1qudlfFGOH3bsAuVEiCDLFQrarXPFh_gx7B9clR0Q3gdWPj7Hff_wfDfJXsc32JKI2E3JmxddmbxJoy4_B3WPDcPAHe3zpgbGIcESEAWvYIxy10UsZ8gixv8wH5.k.QAM7bAtDU10YVhDkj0QZYGCdk055i0RemvmCpK..V6wDMQ.aTwWRbKjLXP"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91fe7f24dfde3ae8';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\/4365089721?__cf_chl_rt_tk=emJgLvR7rjP26Qc6DBkCTJAykzPBlrQRvrVLfbyBdPA-1741900002-1.0.1.1-MgdEw1zrjfYyV7OhWiJtYtWfnXp0_LAxqzb1PNqD5c0" + 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