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-692561209952.mit-edu.top/post/3987461025

  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-692561209952.mit-edu.top",cType: 'managed',cRay: '9110545cefea82f6',cH: 'yfqSoe1EwamOJl5s86w5dsCdONK7LvKs48yoICuMQDE-1739402638-1.2.1.1-gpSwSgkUdTtoY7SncZ2aOjXOJq1EdxxIBRqKTE1pzJLNCKni793z6gnGz8_Cn5D2',cUPMDTk: "\/post\/3987461025?__cf_chl_tk=UPwOUJsnKpihhY7gX0jjyT8LYsiKZWG0xfNrSm1w2wM-1739402638-1.0.1.1-JhHlYyZAcP4NrYkd6jKZu6TgMQqRpVUruJh9PB183S4",cFPWv: 'b',cITimeS: '1739402638',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3987461025?__cf_chl_f_tk=UPwOUJsnKpihhY7gX0jjyT8LYsiKZWG0xfNrSm1w2wM-1739402638-1.0.1.1-JhHlYyZAcP4NrYkd6jKZu6TgMQqRpVUruJh9PB183S4",md: "5agGfP4uEd4Wpnggt.i0YNZzBtjD9t7T5_e31hePWQA-1739402638-1.2.1.1-sAlW1_v1VJLut9qZlTBVbpD4YAXRhEa0PnzTP3Y1gHrtmJLB2SuP8VGo2hqfqYlNYpeMuBSNp_UWdffO2zkRMKUpwYDeQSFLrYvPiPl4ETnDSNdEXNHeEARsPqEucVoc.q3aQclV5xBMYPTWwpIs9UJVGxY4kdM5vGqrJt7PdKwQiMDzzsjB4AzVORCZeuQ1nBfBHJschU6cQqmUXrQklwim.550KmIHahmrlUTDU9f.lF1CuJCvG_4I07Pzc.qGpJlag6Ygc07I90xMnBqCUVAXs1wXxzvB4ulmuAiFAOVDeTkfhxe__Ozcj0tOPhb5tScOACTUE31bbITzORJPMHUrqBcG1FA_RV5HG.RKY.8bQgpdGB2032Dq5eMkttLf44lTZivN.gbsc_fSGFrK2n4Ujk3N6cyqSRecsSre0XxcCl88XQn7B.Le4L5vwYKA0p8d1gWwpMh4wOpotMrhYDiMC88v6_Oa7KgdO0UJithnwqo7XBW7x0MqcM4R9CaAPMbV9S9vgJDPvSCZOlzeU1f_sRpmtTg9cFp.XYewsy2vuv1YREzLyaQXPZupfEdlz3qw62Az2bqUCeZ3fviU8IjWOOgr5e_LkXFwqUjY03tKsy4HEeXoaMINIOcTY8p2K3j3QeleJpP3kJhI_HaYvZjFnF_vh4VxJKjOS.HTZHMpXDLudlbFuJX1qBUfTQT10G1hIy4MFjnzU7axScB3C3aQfcl_kLRVSj900spdpALMm3A8mFtJqsXeRjyWyjSJ6CGPGFVfTkZVaWJtvpCQwYj4dv3Lg9OVmZYlhLG7tprkSfzh7x44eahVMQyia1FZqDssBgG.5zeXekJRWZidnt7CUE14j66CkZ7pNm0RY9T3lQooAfyK_j5E8tbsQYnru8TZmq96t0H3b_ULjN.1rNNrRyW4WrSqjsd4klPXS4sMD8.w0LheeKB.1LJE9S2._zTgezP9XvO12QB1wH9GlAWHuEn5qTOQU9TZPsBhtBLxh.8GFHk54KtQIOqJ2l2desAI6dczjzseAuKCHkAYlOo_gjHsjO2nVx2tyrSTAqmZH7nbcxEdaEVL2ZRtkaQipG5zoXsKkOKEQzmG8.v7Er8KpvXLCEIwJOH30H42syqg_RKy7e923TKTQN4oeGSnwUxpASS4nGR7fsplwiWF.8p.M6fPDxxc5Hj9tyJdvDn.7e7ksDNb_Y_A8CLml_orSJaorHK537Hy7Ju3sRMfxWB_joiOpsR7F4zzhcNKWH_6oENT2674VDxvNPaIiQTuXngiQaYUU4lygoICKSl6CYNV.euUqgEIg58.kcPVPISp8DABKpWEYQfoZ3bXQAuR_zhLs5LTS2XJ6ZwnAOB5aPpYSsEMe8VqqCvzIhms54qF5WL5tgd5EG8eOodkVrMH_IOHzWTReDkyAY7iDTUqKL9TEP3ATvDNvBR3unNPWMZvZ.Hf0NE3gGaEToJcmUyAE4aqE3dWHpT5ItKj0aZJF3GaMx5LgN1NTOk.6OEVVwQcpTWTLbLn7wWYbdvxlxHAqQEHwV9zTeo.GGXLI5GwIIBY98HBf_qe1xaO8RyS4cLE6zIjzbScw9y6wfZ1O1GdXlUFXKXlAAa4bQnGqYFxuYalOdJsAld9jwa79_UMEAd1QXf4pLWdJenaxuR.AdLyZ1B0g_7ZfR5zYwbFSiDusEEX2rNKYp.4jCZiPFYM7j4rAUACsRR6m20z.JwcUMj1zbB77J34fUJdR1ZdcfCBI5I7ymIJdUG_0O4GJz49mzTh1cEqKHOcLUJTuF7dU4VsJGEsAqAM5hxPMcpo54_dVpF4PgV9ZD4aHvT.NScmjNKAey._xjbbNdbak32lnQvUwY5l6tfejqzCjjWeN6dSXrk47EAmGxioqyOCRg7aRGWEL5rWIrTFsurb3UnuZWXS92VyrVyw4e4WckQqnySI2ns4m7Ag658RvckoR6UPjchxn.V_3ZmaKEAvw0YWhNAGH0x2yqWE8lGCdwTH72C37Gkt3itOt51ICRbcQQ0BeGTnzkgNVsYg9qmw0sAm34vyLNkDziJmH0BGzn_FnprfO9KtFSjual_uBfldsVk1xuLeohq1WU_sKfWxN8vgYswytRxlK_7EyG3pP8SBxneXIVVEEZ8wXt8aC4npHSy4su704ZXzbC9k5AMy8BKTkolFUXJQq9NOO3nTB3YVJdHQ_oo0igMVPaGj38wrv90ZINc1ZRkCtR3mtN3Itu6A9Hom",mdrd: "N1_fmWtehiL_H6altoOEKG5o1UYAM.c.eaNsvazjHFY-1739402638-1.2.1.1-YxeW8.2XLfWaEsOPPfNknjEd7PNx6YgoIeWpHZ73jSk54x00g8mhXniwxi7NTvovalHfi2v7gBLFcrGHzVg9XqgubGa0JB6Ns0Zd.xpTkiZGDwTQ9ZdcIM3RrL4dqwKjXi.B7YPUt1mBdHoRnqmOdCLyHBCal4iZx96Lmc6m1XmEK6iXofZSM2BhuPodBCMdNp_eindanNQpb.CFCkNDwxQ9Nss8AwCv5227OThIdya1uBDy6cBpwVmC2wKVmPTHWa_LMJO2Lhz7KrYbT3WiUwWfu5Jw4X9CaBaUwC6RNXlySHwhL49JoW0kLDHFRv0WYZyKYySmbJL2p5Mk5JrmlBmJHCXqCYuf5p.mGJuECjpYKUyX6IfREihlf.jvaPvrk81jZo1mip5qdq4_hFw1_U_5j9CiH_vTMYI1H4mEltIMT1hNW3OzskHEqovOS8Gv5Il2wyqUFsVCMLZeWRUpnBfPY7ChqsChNjkh__83JyIjNRcqmGSkNAC9PUW_MdhHrlNMb9wwFLPWnRuT0k6LWQ0okpzjaPOwyV9obuQoSZRHKERbRjI34QmKXQlvlgbEu.KhvRbZ9yzrV0jE9wRT9hKTrkHr0BH7l_SfmCur2oPPafyCpBMPI1tWL95IvQ59BLj58wMTfSSBiY6o04F52PlHJNDfC0hsRuG9Ul1.0V9B2HR5NzSCUWxPDmh34zYP.Sv3g1NbuY3pEng6ph1q5B7062FRE9KAndnFeoztzQPwC3bVWNBTGUrDFL66wHpxKC15Th6ATxAVxWQUH0qOW4KFbRjU1C9gVhMdU6yuUExXI7T_YRiWKCTQ7SwwO0JqTDVz5wQo.62z7NXBieznF8UwkodldSYl34O_aWBt5b3GVdM6oVsn9VTPWd_oUQZP4ZhEORhu4._0aBcKhGn0zqdMvdXLJisImbzvd_RA6O_uWo9DLycmF0bLZYbSC3Qtcrfv5T6srrph.wK6cTECNEd.daibSkvdlZKEG23l8jIsyhjcmtPF_JA86GsaVk0u7Za8lsdWd9dY7yUKOTduaO32_h9bHjBlZ4SjKgP.B_CrPfxqMzOOaH0N9v9Hbft4Emo_Z5PNU4opubOZroEYIqGrmmEpOrV3mhn6UOipMLSYceC550dbqtATBy7270Fu5dK7Zl1q1s7b2ZXP4rpyjTnvHxiHuVEQz3u9bb0Ucch92bL2zymEtP3oTYHJHK7utxXyftIbrEMX28u0UihJzd.DRW3LMRl3joS_ue6OLQpso2wHzwi6I35PgdlQV_XenVBOy7dQLq2hUhMRmSnVwAq9kL84aj2m6Co10QqTRblpQGMqtuAz4dxnhE5lAWaDLXegQhAwvA3OVyf4MrmHt0PLhpJdyuo_rQwARLCk8nicyOSEGYSC7a9aUoxcj8ssKrH6ajptJvjktnLVUZjfLj.IyaoTV3FXjkVNz8nXNchiynl2r1DqwMlroLzlQDDPnj2w4buf8C1pQI4VQkbiKZBr2bpn6kkIiFg4rF0Gv8s6KNTPgUJNdQEFeKLndtA6y9M.I5oBYmQjT.r8QZ03.P0BkLN0PO2pc.jfSNRP_bChPNvXOg_go0nBE07AO8xoEXbb9Kjmf6_4jxUPJpEb1lFBgdLD8ol4.JWdocul6.9m4efilLMGUp2Nl5OCcn.9eNjkMHURfX9jYcJC4uz1t5emii_W_VshjkP0XJc2_oN70YBFKqxWROUP4A9nv6C76cnyLE5w7t5ZlbWHn4lnS7Ygbo9eYjWwfp41aVFeojERhSaL.W_9edrxqcnjS6TO"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110545cefea82f6';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\/3987461025?__cf_chl_rt_tk=UPwOUJsnKpihhY7gX0jjyT8LYsiKZWG0xfNrSm1w2wM-1739402638-1.0.1.1-JhHlYyZAcP4NrYkd6jKZu6TgMQqRpVUruJh9PB183S4" + 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