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-373927331235.mit-edu.top/post/8719350426

  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-373927331235.mit-edu.top",cType: 'managed',cRay: '90fb2dd22974818f',cH: '6jto7RMuQXIhv6hoi3AXXJXEC6inCW7eoGKbHHE.X0o-1739180859-1.2.1.1-kYoxtledMw6.n3sDnLROLHs28QwswYmOSRkHBn9Pe.xMF_7HBOUlk5Bc3jpklYaG',cUPMDTk: "\/post\/8719350426?__cf_chl_tk=y3X3JDEXJ210YU3PbkF017c0LewXLXa6b7Acksm5.9s-1739180859-1.0.1.1-Px54n9WySC9mDI_15uRbKq9KgFIzd_hUkQAPGJTq1D0",cFPWv: 'g',cITimeS: '1739180859',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8719350426?__cf_chl_f_tk=y3X3JDEXJ210YU3PbkF017c0LewXLXa6b7Acksm5.9s-1739180859-1.0.1.1-Px54n9WySC9mDI_15uRbKq9KgFIzd_hUkQAPGJTq1D0",md: "Qt52B.SEs2QofJHdB6c09eqGke_TLqmj8DsVYZMzvlg-1739180859-1.2.1.1-WoFNmU8IKvqLLkfIRvpZT79yKEdeVmIAR0sE0OmxxIpvnx6z1bsldVtm4t.b8dJIqtLraM4nR46ydcopHTwB7gNKWFpr68swfocHMHEF9GBD8EZ6wfCFoA_6UgOGk26xPso6vMZ5yg1riCH0QQQnWVzX_c1kY6fb6CBQ42X44tviUfeqCUnTNLVIO8fv9lhQ5mZqwl6bxHbf3LLY3XnCihVWxUC30_c5nN0R7tJsePUs29ZYllgZW1MrtU_nlqhX2HZnxKuf6EmeFM0RDFB11W1hp10p8vRhLX_LQOldCJHSaTL6XpG1_DOBgNBFGJCmnbkNAnuhzkRx6lmmz4lLKUreA.1QXe.DU0b2hMx3DVOUYB6aZSQGUov3P0naaX71nMo8uCs1aHyLkvQslspN1Vrp12Zq.PSwSSGNHENY_.Z.i_dtPudrl3K4bd.j0k2zxBMo2hJ.2Gab5SswlrqyIHJTjynYUdRe5R18lgyIh6y8VXVu1sUx8Q98WzQyHqExlWesY1.ON5rE5N9V_.BTWiMj8G3RZ1FG2UWF2Xruj5M3ctEIBVpeN8hKIP8sviWHWK0b.A0fdDwmXxJLWMVV4HJWQ4CPzsxzcbQ.sjBESERD9E4kD_9AkvQLGxQ8eU2UsHBmQzaAN7lT3lhMyFj8fhT7bV.q4tY8HOTfQfnbfa4WM7LWeB5n.VfhVqu5IfoNGpbLGMjuX6Ucawme19OPL7RUcIhcmw_uSkw_lzWQVOwauQDkKiP7_IA_b7Io21M_ByO6Uv9obnD9inPeN8baS1jiyYOYaMUm0mQ2FHsRodScSMHAK0w1.OEakBISCUGzMLv_X2rT67JjUnbTn1ky4.i0_XlH40Y1yzun5Ryzmkt4F0NEaid0NmDDqlf82AB88o0JDK9s9hAxQ0yBsfXn32kWOxmp1NVVB3s8gvJJ3tFZm31KsPBQF3CzVi3Y0l5iYWMlQ3Bwq2wNIMa1JtbchCIkfi8.urryBaaHYsyGdxjXmdrfzCGpRSTh8mSwuc0Shw50PjC9hX9oNk_6Alqc5cjPbYpJbsbRNFrEgg1TLFFiA1ULlB.1Pjex2Z8DqBTjITyhf_tqCBkS6Hg7xgP0HRm99AZyC2ELjo0ryOy_RkWaMDzB1MKi5XiitwtXae7dr_rNLqPVCjzHh6VSItMFuFucIPGyS2zzCMqxBBp4w_GrhC7mOrfw3RRsIFGw0zN6Eih8cQS1qbQB9HT9Ak1fNwC6.WOByixteZhvFkQazwDNXuR53UTQCHG7_orAA3nH5mAz4xzCBqkmP8cTYXJ4cZLwuIebJBRHZ.I17_cGw7bjvLMPsRg6pQElzuk_UoOnceQypJgJPXqdcPnfEWyy_wSpVVI02mAH0.3QQ5H1upauDf97c82xyc_H.wvrSziWPrIEuKcAkN_MyY.3GiViLWKHih8JZtTYCqAF7GilpcttEsZELIkDyj7wq2vBopF98pq1i6a7Y4roQMePKebJCIMNrmDCT5hu0ioGK0cIdjgnMTGuAoLEWQKbtKybJi1pg8H58ihgitli7V49u14OmZ7ZYIB2eFQcvRKpneqqgJaaJQ0SbexddIwKHr2FKlav0lQANskPPWp_TSu7mAaGhHBxZW99nvaEepx7gbvUyqJ8jauQKfShRX.kWU84wfw0hIUxFZ50AH3AY_pU5vfXftZbtpsQAqvAx84i1rE9dzD7qMVU2c3mua.d1bIKRARmUi5jTYEX.HQuCiEAvpQeOgqf21lh3poLuSkb6gO_agR5jqiRHAmbxzQW60TfCM5rokGzCY5xB9VKrTKpsYDxnxZI38IZLghB_r3UYN3mS80DgM9e8S17n7ExgINpIVG2YeZJrQpxTuxDqvHDeHXvGjkt4zdaLwAlCdBgHErPmX.21qON6C.kX1seEuAnphHOPGtSrZgem4SVqZfHF5BdBCBoRQqWoTOK7faSNAD7KaJi6Pi1vYQza.KRsQf3Si1LZhVB1jGgEBxiCIViu55A0qmyluFSjfFQ2xFFVYIaiNf0.1pnQUAMkvmcWjO.eEROelrwX5jGv8ZnE2ITkPkdAgSoOckFAcKiilDiGwE70W1kxNhYioQA59fhAx2vl3cNycAA1y66Dap6BTjMV0v5Zca79Xdl0H2T85PedBiYUoBUNpyr.b_UTQfSs30ciWgc0fNKGgxWr_Yfh8kTfwCrNTcziDtpl.yb4hplKwHyoH98opajOKl0FWNRcmhVkMxJ",mdrd: "CwZrToDR97rCaYkhKgwYWVRleVKCugbfn0ui9TWUItU-1739180859-1.2.1.1-wVuPqrjebpxNnsff34xr1Tj.T2xEdYWddSkN.9_hsBI3hCvsijhyEodegsGOJvHqXjQDQft_3Gq7tvZO6iLpDxiqBImNPk3kpeLwcDGkklhh04pBozJ8eVwCOzQdBH_CLHdzkrRptENwcvZxeAnWNymIZTfJt2P8H0UPjrXMgLuOtTn1C7geceoUXyy9kkCHQSgkCvkjxSt3.IDSvsdEZQ_TY7hKcPIwTX1TV4VQvMei.eiVjZkFMI74kV4dcEqgLrqUcMOvmJsCcV3dFQThL_xvUlf78p50cZaI6wLlS0HsmBnCNp6tR_GbjQj_.5CEud7wwfTypWSZiQqd3adAlB0vhLmEwOpLS3suz20_1CQQT.MRxLloCCgdPJjEYkXoF4C9.hMUVj7FQqQqGAXGpW632n_mvawZsn0EYnE3ExGmv9Y4uhHI6iAKjxGtkCW6f8.oTuULEhPq0G2UZBjh5EXYa8OavggN5KqNwjkyGIGqTQ6kNBwl4DMZD9N3GdPzM2hIgJ3RC44uQL.lSSxrJwrsDkEYfXaF4ulaojMOPZADI1gaWKsdshIfaWV8wXSDXC1eQarWMMpIj40N.tG_X2EOEAUc4QJ_xFz0JHi8IxuEdb90Atgv4h2g7JZsM8hwSuDiLhXms0_KWj7e1En2nZqBU.cp1EXlTwObmw5qHfUS1Sf1Qq2e2u5H5MxcdqXq4nA03NTgvquajBZgMGmIedQFr6tjUODlFOcWOv4hxMRaDvbqvZur.knLw2pkzqAk4w8hLltxuAolUQsAuYX_jUY.7kN6hqR4tizQmolPD.OQD.2L1zcgjkesmx2.xrzxSYVhQU0rBY0oni_T3IxVdkZ3R00lYQqNHkEXMdOZ_ZM7zQXRlf6iz726CmYY7mn7OZNsiCdGdMxba1mF7CX4X8A67Ltvjns_sC8dNzRIQfyd5Qog8Ogy87jW2ugpFvu9e5r0lbDEhcijMPUiGfwR9IIJJqsn_Euw2XDRW6vFoHjhKd2u.veYIkBodYln52TaVnqWy0jtB3DJUwqF3BNUiM.fIYshfjRJs9gyUlcQk._mtTnqgg2s.HJg.NI2WUweKloHjFTqQs4UWaTfW5ZSVGC9pFZGuLZEj6iQIkHBoNLgN9skYbHeGQa3UfXr8xucTKYQpPsRjXt8QsW47Vq.IJnkQorXw0842s3HTUU7O4Zwf4ARiEnxGlJr2n4DbpPaIsU8pGMajfj6cqNHdlnvgkoSmVjXsDIDldRDYb06jsoN3.73vKrYGVaoXiSXU1NSiAz8sPqtGK4nVrctDeDx50rxw3fhDYCDDRP9lJyXBC7lYevfSsj_LfYoRlqgt8jy0ktaKIQsmGKgnwHxwMWxFAborAaNPBewqXb4.9PHC6E0Qs1tWeIn_X9SKdntVxwptWuFFhs9SHblMrOZBvDP5X50jdCUgVto5T_eG9kIXk6qgqDBi2aDoH5ZtyCM7uVOZNsP2Nxy8qWjJEfnbQP9CMnQabm.gG9sEGIY7iiwTQUd0aRY.Y1s.Fr2Bu1fF9VB5jJTOvMdv7omJbf0AwT1rfCqqd5GL8H1DY.7Hk9DVRuS3PtajjxnBySPwDsVg2vCSjKJZkXdKIXxFhUu7PT3CjHutNJE73PKmRmnGMRyuvpzZZHIz7t8jba2l7EXnSToJxm.g8nZDuY9qyglEZDLwpw.qdEEAwXARvv9hUZChQ1PdmZ5qXD6f.3Tw7HyileVSFBDHyQL0z8NdvN3mviL3QnW4Wi9mJBssuGtaXFts72IBDkS7KW.iraZ2tp.Kt4iVeXnI8.VANvOzHCrDEKGFo5P7..R2YwO1lvNaBuqrVePT3tujTM7w.SmIWrR6qaX"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb2dd22974818f';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\/8719350426?__cf_chl_rt_tk=y3X3JDEXJ210YU3PbkF017c0LewXLXa6b7Acksm5.9s-1739180859-1.0.1.1-Px54n9WySC9mDI_15uRbKq9KgFIzd_hUkQAPGJTq1D0" + 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