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-840657351010.mit-edu.top/post/4639580127

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-840657351010.mit-edu.top",cType: 'managed',cRay: '90f238554b92e614',cH: 'ivEaHrVTNIq31QNwPB6r.ndHLe7FVADfxzHotBZDFns-1739086917-1.2.1.1-.fJKXquIhDGdgjvMaVP37A6UpGjptBsJgs4AXjSCv28J0gR5CuUyWJYeooXZqHhJ',cUPMDTk: "\/post\/4639580127?__cf_chl_tk=yN6wLZj6cPLvhCo.tGKhPEIeMUd28v6yGqbhwEBfHbc-1739086917-1.0.1.1-_d7nGFoRiwvy3l5wQTL1ttIzeAyQE14fgNeHYoYU7ME",cFPWv: 'g',cITimeS: '1739086917',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4639580127?__cf_chl_f_tk=yN6wLZj6cPLvhCo.tGKhPEIeMUd28v6yGqbhwEBfHbc-1739086917-1.0.1.1-_d7nGFoRiwvy3l5wQTL1ttIzeAyQE14fgNeHYoYU7ME",md: "zoEl7QWjuXVF9RUJlwZc9GlqJsCuXxauR9Yi1I3LgFs-1739086917-1.2.1.1-igsEJxVQbeP5AdavSn3s2P.V.mkUcEO5RC.jd8QZDykwPGCplZnogKs.9_fLSVfvnuqsYw7L1E6XiaYqXktlsrBtPm3RIZNoAZsLrfUHdmc4NsShQ_KnyIfdCgYInZEKXZupahfjwpy7PXSPHdcsdL7F4AlKtRqYOl9CSOTWas0nPTHy8I92eQID1X76d2JSiP86oc_0frGKkXsuxjvmXAonfDfavMqTE.mCyamQGCYDrDFLxIYqOFA6QZDZQnUIe84jKuvM45mR9KrmeMxhQY0XPgzeRGxBjg60HkqgexUIONJNNSfdqAvykmcbCjqLpDGH574GmRd6_cVF_LHSWVKffyERX9My0LHFTK0wn9qWS9vZq1D3S_4kgy4713WU7OWPcJffs.bHaFqUG.R4nBnyBI.PxtIBAXrNhbI1KL2JtLuoKF_MXjSp8ICPB6D2xyZs9fN1GtQ9bWiiBs4QvtqQYKVrBeQP9JaPkWEnFY8RFrpJzB5QZsJM4jMh0_iYqqzngK0IhnDZbRogAcewHKZ46gzSqdRrzAuXv1vTOrMHoL40LoWvy_0K2c5KBY_R3PYDNfV_nAqeUFrU5c64byi55eNYVN1NGek3hU7itQ_ZcJqfqpVt6U0Bz0b9FMu.4mXC6H_Ucs.Oa3MIxlWFBexVKygk_npY5YK6VUdqfbE7V66D4lzSo4yknn517glrO3ISzHY9JVCIdsMPHXGRIm60QhkwB9_usXgknU4sjXtrcEmAJt8JpxQAFPNqFD3u1tclyzIVG6vBivCgDasIkE252HGlVaFt.ZXN7TFW9PHCWkUQZqefUZeVvwVCj2YAmbpBVScnRUNY0FONyjdlZ4INaqeK.IM6vM.IBULb71WvnNdFFi59nOIMWA065EKh5TS0dXN0P6hyR3nfbQhB_Wtl6rcsffbbfnlRWL5m2E8QIDchJ7OzETqJ_5cdk9YdjXRmc.3XX7_uy7RjNAJyjawSptdgbjsPdzvxEMZuRveou7Xfgm2VI.fLQ0Gl7Dmz0hAvmnYZbjSmSD0ltDHZHx3W3IEh9zub1nsGiB8_e1f3ZlBmzUrEBR41q3r1OhW3Dmwk_Qux8WnRS4XF4e5y3l_oGp7BQPy94rnRGGGqEl.vmkKRNoE56jk3.oNq5k_xca4DKU.Je0IpLhAoWZvhR4Wt_o7q1l3h39.aFDbSuw44HmggiG4HFmYGTYP0MDEkBbXkm5o_WfuFYzSvNMG7brkumRPhAOsSOeqh1IyvUwQ482fo_Zm4ysITSLH.3ijT7Ym5rpdfHWnFuNd4YORA80mp5F0MCM62m8FR87lPSIN_Z945kZP.7cUaRjhdpmF6Lf.6.D6.YxCZ_Xeak.ettNvfawEBqn_B8nKGjXy9kgMKr.gHuKaIgpanXcEgwIrPzgjOM3cLvjCdEkc.ZdJcDcMGax9m1WUTzSg.CvGHCjU.kUx63lZ02LX4bQkNbdQ5drexFme3JZcZn7qUDZPKsvC5P98iphixStvd_ojTs2sqQ1ZfSIk6GK0kPQC0oLYoSjpLMTjc.rEbRyAgdFImVVvhmnegwdVFe8h0y0zS1wTtN.2.DFyDxTzuDbHGytWYvRMDU8Iz1XCG9_bHgoD0Oq5xN3ZdayDSdL07zWfnxrShqgW2ag4eTIK5FmxI_is3uvs8YkrezzNw0EffXGr6DavRemhvzT3Kd4ioWHP8v85skRdnwWexZNqpmkwWsBWW7izGdNN1pUP.0fe0Z5nfWqQWn6d5Ub2PupALnOsTwnEeNwN3grG0..c3bI.7i2h6iUM11BySxhdIMWJn4gDi5Qo7OBelTonpAw9anAQfWm2qFLySW7EaYo7wBTyD8vvMqf0qiWlX5vaetpAjz0KqYWQQmCD6cZXew71ZDw1LXKPG2iJDZPbOEZgCWSY82kP3f.CKy.MV4cxfTYLZHFYmGv.bNaUV2nbtzCtwwB83.f8iARcV41HainfhXQ66_UrbqrcaLIstJ0a7k3BtO_8w4xKTIk85DWRnAQjWWVoUZ0Gw41JwOhIpc6rqNo4WFFNpFsHSt9zQTXzLYY0w6R8QE9oi0EcZpmcE1JEV1pwtsEaBCJGCYgqOhyZpLyaRPdGuutiVE5upwNpiIJ2h5X30cmfkX1ZcB2DC.PfmkPdvxdxxIVnJ1l5Ahgnw.qPcxmsygpZdqWXB8hbrSDAJOLLIkg.4JZ.z2WP3NSjF3F21Oicqx4KUV6RuaOU6dPcht49A",mdrd: "To9urKlfoA4rx_y_sNrfMrJ7TZK3JYd8DDTbxsD50zA-1739086917-1.2.1.1-8l3LcjY5tZU9MhiQCnPx71kEgwYyXCNHLR0OmDxAvbVac66.HKpOJKsqSNRXXE1cOVdQ0F9HhQ2_R0qqzEgvf4gyuEM2fmzwYybXTv32i9fewMbxzFCoxw0ndjPZaEM6nr2CUFT4wLf1ta8Zjwao4JOOciGUZOmYBLttJm40QhZQE6LdSE9p69BhsJlCdOd1.sVUcGY1MxlLJXs3M7OtbCRAkQUAP5ti1aSjXxSjCpv7TEdADV2Z9jraWorCDIr03Aq6QSeTEpiFsXXZLbe60Rnu90FSp6Ukt5a6nOTcxMjCMEGTKxSODzqxDtrslCDhHHV1K7LYBijTQOW_negsqMSLNTJz1MqG2WYHAzllGG2GdjUkoz3f8cBicTlrKXLxMiSn3bSoNBusQeQ3IQltcB.cOke68J6YEN33uuWvUphZDP8p88CLLzWJ31iWvFbt9oHd5d2R8okEOIo4JXr0BwOhQYdfaEczZIX_gqHqt2lfejFW8YOkqaehxV0CvdK17odfimzAnUbqr0gKlEfEpt9u7_JR.Yas592VMEB6qpTKQH8OoWmpoT4Aa391tYLA5rO3mmytb4djUbmrGN2y7WpjHLtyxGClN7T.kxJ6T8KjDXoRHgXZoAG3dWIjxt.SM6DAu5VtmZWNReuAVZ0WGBIoz.BauRiA0teqEayJXUON44x4w8hSlFIDUCP6eHxikG4RTldiZdRX4ad6aJpAcVyE_XnREqoHG3i5IhuEieCZ9DrYph3GxriKu3dkhOAX_Gq2W6Q8BsvvYgN9c8cmpkLlaIq88aKw9USHFxO7Ppj53MVWBByBH75sjOSTnm58jSXOpv14VjpsV6.GnNfDZoWjwSuqQn2dqZOTA3mVLWUYT8ahMg0mDIBWEnAiPXLaZp.PyqSkxbZzy8iP4aqiwIlqDUtIvUtLryXQJgo9qlvrqUB5x89CcEAVF6Y9QIQEasY4i0YfKr9s1L1zYsYyUMvzBxLdY3zaGGihBL1YMS4AIjPrkoLna8_Q9GNN1.yWDypLrzLRorFdg_daUKv2EzMgCvWM5CQyVkrATEEbs3p_b5QbirzvYL08uHAlfamtaVCkk9G3HqtbtX4H06czb4MNR3iHVif1QwTk1CvRqjyEVHEZ5dcFXk0YmXc3K2tR0C46JYwAbVfMjr23zdYiGwHyV9MrDrilIhXS5Anz7qxsA5RHLLnLcv3ACNKi7mWPFbsXDQjrU9MpHdC5WgUIQ74O2HbeLjsa2.1pmf3.3QDOu2iR9mQbK5kbuzot7.V8jY0jF03HLB1P4REkWR8v_K69JM5g77va9HKxLxf601Z8xQi.mrFUkkDPfqz_FCuTWxmDmZDbtRRMBnEwYPDPrEOAv8kVlHrGY280SQC_n5kOnww9.Cd4yErrxA6qRzPbzBRwIKwlzQ4pUiAQg5tfPoWVP_B5Tb_UCvTgq9GkCrMOst_q2F6on47oAwvNHN8zS5HdadS6HVdneA1cqNamtpLgUAed83HS4BHhWZ_2EAEP9CPzqjNGatJ0h0U1S4py99D9vYxBkXOFGmlZ1enzSIstGUbm5Y3vQsnmFCvTNnSQhAwH2oI1uSv7FjtDQyIF70AXXXflhtushVIom3d4.7KcrD8vFY3JPQc7u0E3s1ggyYi6n.IRK7ZKj0pPiJnQwUxAbL0djHBgUdYQ.5UI8XTgTDxDi2NqIQYYW_Zc9BFOwtql3DUD5vGb2_BNQwWLha6VXRoksiBfJjXeqAI4Knwi5pLCeflsPOjB1WHk230ibPmIpbk9SHyrBAK4OSf_QInXshM8nDKDpTSU5LKgicEyi_vNCK8FehME9aZELyc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f238554b92e614';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\/4639580127?__cf_chl_rt_tk=yN6wLZj6cPLvhCo.tGKhPEIeMUd28v6yGqbhwEBfHbc-1739086917-1.0.1.1-_d7nGFoRiwvy3l5wQTL1ttIzeAyQE14fgNeHYoYU7ME" + 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