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-aff5v8pvx.mit-edu.top/post/5913824760

  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-aff5v8pvx.mit-edu.top",cType: 'managed',cRay: '9110c9e15b6e595b',cH: 'KYZ3_yUDlaNPWNqmc3xfC.KyiH1EeuO9coInoBgyPpw-1739407452-1.2.1.1-3XkRywilxa0.vmSQaudKw5EXYVLAlWPZBzAWjy9XNAT2VS9iiDo9HqIrBbon7_vo',cUPMDTk: "\/post\/5913824760?__cf_chl_tk=n2sIk3H9Cmo2i6BGhsU56IyMkWQJTGHjkcAVtuOhwrQ-1739407452-1.0.1.1-CXENfdmMqPjCt6JtJYU6iFcWXkDc4zv5TPkT9Y_cfFY",cFPWv: 'b',cITimeS: '1739407452',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5913824760?__cf_chl_f_tk=n2sIk3H9Cmo2i6BGhsU56IyMkWQJTGHjkcAVtuOhwrQ-1739407452-1.0.1.1-CXENfdmMqPjCt6JtJYU6iFcWXkDc4zv5TPkT9Y_cfFY",md: "qH1qdkT44aDEH2WW3kezmMlmv53iFsEFZgVIvPimWjg-1739407452-1.2.1.1-94_5YdZ7MHaV1WhQzPtVR5gYBmJ5o0L09FPEXd_JUJhXbWjiZxMYjZWJFENVsf99veZFLSBhHj5kLkPBOsYWCPlhvmJv5M0mLfoePGBZlZNMdaUl_DxEGkX3qRZDZM0ubIlGCb8QCw79EGQsEJ7rJaLqeBxCOIvAYdF2AZiIYF8jSqsOkHG2l5ZU2UY9olmzj5j67i86lfbjtUG92malz5H5HtBTCTYq.w9SFWtwGI5Gp5l7F8H_y3BnmaLYUUBj7gju1ZfgzPv5EiI0CQYJqp6sG3UyJBVuRECvXnEOoHoIbU1UU8Fvf_wbXbFcZx5GYTTFnJsvfpzsRJbDwfGa937sNx4YYxBnlZ4gjHzDK8D2UnWvLCQu_0s8zW5YJ6f__s4_Mnxanz.tf8SnCKMDph1D4ENk6JW0ekGRL8NDYdDt0iASRI1a2wsOz_OP0qIy9pHh6YCPypN86wcNcKS_1IK3eEvaJRvGpeI.W7a.HUwlKZTCulRjF3E9x86rMwRBtS_P5qoYYUwz4pWjW7vQF7x0d0h07VBo_nnseV2pzj.sCjpBHalS9JuLFk2NdE37BMUCh1FWeVECpTvEMpz51pB05._U1pTQdiTbS9o5sqpdp.edLRRxBbmszAkpb3p.nakSN4i9Z_jNuVq5hC0bHs59rOwoVIsK7D3GyoH0Q_JgMg7PMSJQduxxH36uYEtj92X8rWZ26N3rhzFHvym_I3dauJwyhcOorJ6uorfrnzDLz9vbJTJm783z7LouXeTTeJlyglUymQRHmBS.RuOwFvd2nBtBkDRQt9fprQ6GS_C8Vz.z4o_5Vk.Swyf5sEUtalDISbb6ROKe43qr32ImvWXik5G_uWqjWK5bLkNs5R6B4D7tC0MxjACjY4Z9wcwgtcHs8XHVIrwDArnjTWmPhWheGIErYCBVU94MHNcuxrYb1E.BJAarUvsVP1p80jI43atP1DDxEXQiAUYdEopppLvjvlTa_EEFJVxJOBLMBkcBzL3VlsFn6mA.7TQJugn6pjEMjADkZ_AkC_WtQk_y.Ga7j795piJvPviWwW6l5mPHuiTmptbJcjSfvrScrMd0lFfMLKEyF8M2Vit086ZlD7UdVYUdiiPdF7YYMNvYxnDswc9f.z7s7drBI.qdM75kYjg6pkK1RNPL1lWrnrOhEfk4BIgiEWX6On_XLuN4qWALEpmhiMiewsoAhP1OpO5PWiAkCRWf.EKSqkqb0CpdyIKRoboRmAQygIwS6_iWCkaM_n1ofZbYENpeb3Z9BH7ORBq0liDyeVvfKolgvC1FVCE_OF37qk.PeVwUCC4ComNEB6r276OJ102Da6eOC085s0SnFN.gxMEJybBSo9iAtIBi4DrWxv1oxypPRpOwhw8Z9WxtDcXo3BxtPU4ahljk6ZunjuBXk1nvCAqaq21hHpjXKcIt5o_5IvpnfKPdKsALavlFHP6g30.6lqJeav3PhRYPhoHGlHNnkKcwhAvpu9lUmpHECV2vOBBlrq0NbcN8aNiGe4n33ubYTVboIHhLLhYU4dfe7Y05XAWCl3OTgh846tgFaHBVIrM9WdNc_9Zka4xK9FfiHAK7aS3U13e7LneNCR2VojE91KinVecKwSY9CoY6JUuU9dlqQNlv8NWQU_harqsSBqUVxYqFQIeaGTlx51BiImI02sxwYsIRTAdLh0nnV3UYkJdeR12DCZldXJ8wvzYz7CFT9QC9rnZ_VjtbJe9sdC5cYWfwovlUJTKoriTdYws3EGHM0.QCmi.m0m4i_IEFv9UtsvQBiOegsmtj1R3H_Or3IygAJyNF2aq_lt4cV7EZS.SCNE5MoOjcNRxBnajmgFq9eNj5GkvM77J6HYXC6UovooSm5gmQAu2YWOvDBPcaJNJOznjgei8dQGALH6QBwbnrk47Yj3qi6wYtqtJugjbcPXxMFh2Af6Fo9xifQlgZpEdhCCvlgOljdUDnu5hZkXxDRFtOoKJqG4b94NM8OHdSW.DdfQSZVwbRmIRYIayLOty7F5LTTn0VqLy2fWJbNQnLqgem3y16lkLDxoB6YS0gMUJhbcoIFcnDx2gu_iw.hUUEQo1uB0qbGTekzS.Kf4CCObotbZIsAfd0wgu01OMcCu2OsOmyTk4tMQmGv6Z_p.hQeEbex5tqnp.kbV0yFaHwbM1AhG46Sv6ESB_iwfNek_Lrg01csNaDDCKYaMOnZZ6rWcKJszDBMdt4qyt_SAzUN7fkD.UT",mdrd: "DxNXw1lTd4tAwnHHyjXTlr2fPra9miBOr_KIy4kg83M-1739407452-1.2.1.1-L5DgVAxgTZDiyToLctBhXS6JXMykKHeVozDNjESikvhwP5LozkeV5e_NmRLr3mZo15YczEEpNVXGgcnZFErOnPN2_6nDlnpI.lg_E.LFDOMqtnsN7pOfk0UQ5TzrXBQXROHqNrMxlB9sXPbupkwFyM7Z4NUXQRJbVjs2RL9i6akxgFTeU0pcr9iiDpZlwf1tM70z8evyTqLWnjs0FWvFE24XLsM94RHdTeykm99DJZ7mO.7TrAoNKx4lsS1NAABsde8s_6FsPASl5k8gpSTG_emKaJsSglN9vc4thRRsN5YhIYPx0CtqUYseck_S19EbzYfYc.2pBVW1HKB9AZqPIBtLp7fVfDyG7EGWrqkGSoIW5HoG6vVTJ3ZWxFxdj6mGRNXRPuYNTfRfZe7L_998VCzA37cvRjvulZbF88YlyM2_rMiqrzH4tnW3DHXHHORAZjnlLhRFBcIqKbBYmd_O9PPH.q9gJcbNZdjSgq_7KzE9D4JW8irkOB7vymn51FH5HJ_MYANzQnQ0XVwZk_AErL5GNq5LTcFk5ApHSoMzcC5O69dazLoMklG9V94u0gA78dtoarXJq905BeKW8GuB._FR8Nsi5OmfGUiRBcCqx_WF_YJ4Q3Y1G1cDBtoxRc6gtUKYJHW3Cn_RJydSLLycut7ya32IlPXyIqWvCGbsQvucM1JX.fY0eJOMqqlJH4jZIQXPlXo8teJS9UMqcZVknFhn.oPyUhlET4CvYtbvFqDlcoK5qYfrLP1FIiXidyfgh92bzOdvbVvsVLEdv2t7dCrLahcOUGddX2K94ZFoTnJ0X.c4ZQVILMaubVkedQhNV_IzUqZv8R7COqmD89sHUpJnLLDSRdrLw4GTMWd33sXBmqBQJfQ02gKEziNcrwg7EzZhSKL33AOcSDLKDCnMIQv_8kalXVE80RrSGt4vM.23tzKPutAih22e.PvxooRmTfTaMqwrc.oj8FynMRuiIM8ehCXO3G2a1JfMRep6RyhDHIMaRuu8Ix5.ROp1NC4EYbpV6rVHmWBAsEgG5N1aYjayv0olmT5yVjo3MEkQ3rURqeoynTpK6jcpFp5ve4emYWRbtNkuYczaTlG9VElJ7srzgkNTLVD4O4jXIAfspV2OPsEyVUIDKvP2KfsJGdnfU0.9w4UnqRRDdKfpj6mLueEP3gf9wFBAOVGNOGOf5v9T.5IgJVQhYHp1kSgiao_p45aGf1xR1cJ_TD8DUrpcK3hb99iYdqycH9W7kxYdboGbs2P45PZtREL95RMridcWy_PTTwKrSI5GkiXGZf2NtqAW1AXf4PloqnNd5FkRWV.wYqVbqTcqi8OE6Dco2Z4spIajiZoEE4uPb7kKH7RMbnRYujIT5bJAZuIn5WgutAbV3hTFtcc7eNUu1j6EqsmfM3zTFU3euqJVPaX4i19Sc1aOwLFxv74zNJBbXlae.UTSDpW.23x.ilSyUlRRvwTLVW.rnYMFiCQuysw8hHGrp8h_mJFUj3Qya16t4fFCiGaf1eM1Sgn1z5BXeVANE7VL52LWrxmyQP8jKhgWR3RBBd19GKaeHS78OaLE8V6EYc4YlWYTUXM2mUc9lFsaQ3_EGNudzazOjxMpllt4dkj_rgVc...QhUMffkpbXaC64C54LulrkrFzmCvq01ARwuYhVzLrSS9ne1iOVPMcLD3jb19mDYSvfF31riv7SQ2o.iP_o7KOKt_HShT7eCInNBdhMEorh6uFmM7uSQDK03JI4.NBqhvKDCbwjCCMYGCa_owGCDu_2nm3jUouDUlOhGuLnWsUQnq01UxYnSphC_ikW31ldkNEvyu0NcKSS5OctzM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110c9e15b6e595b';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\/5913824760?__cf_chl_rt_tk=n2sIk3H9Cmo2i6BGhsU56IyMkWQJTGHjkcAVtuOhwrQ-1739407452-1.0.1.1-CXENfdmMqPjCt6JtJYU6iFcWXkDc4zv5TPkT9Y_cfFY" + 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