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-affw4nkva.mit-edu.top/post/1458293760

  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-affw4nkva.mit-edu.top",cType: 'managed',cRay: '90f23fb9eec1d643',cH: 'hia0P28tQqX7e2q7jl1_qsRbpVj52n2OAZdqxnhbqiA-1739087220-1.2.1.1-jpR4ubUD94KamsjHBNgaq13Uqjwvb_1Hxyhqq0uTwJ6rrXgj7U0uxkv85sbReuDW',cUPMDTk: "\/post\/1458293760?__cf_chl_tk=fI2agmxTkjDfDioO.SpLA2GJvyeJK6MoWqmPlWVRKSs-1739087220-1.0.1.1-WXDFWDIfZkIXhKr46wZPrCcI7YHm9T0i4_9eH.Y2tJA",cFPWv: 'g',cITimeS: '1739087220',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1458293760?__cf_chl_f_tk=fI2agmxTkjDfDioO.SpLA2GJvyeJK6MoWqmPlWVRKSs-1739087220-1.0.1.1-WXDFWDIfZkIXhKr46wZPrCcI7YHm9T0i4_9eH.Y2tJA",md: "KPh78No9EHkveNqfE4mDE4154ncyXqN0ShxBNwZECWs-1739087220-1.2.1.1-mjXag2.yc7hjEEe8Mkl7iHRoKCcZggI8oK2XuTPGSqIuqM4oDrXLN_Gjy0mNHkQ1VkCUnAbDZ2Pu7gcvT_Au9T0F4.6NKyqeisIBBN_QSnx_pC7Y8hHxjvtdpTxT2DXh8iR3JwVZB6KRT7YbIkmJNKi5KiEAz0S..X_SLqGbEB8tgcXkzvU9tWUJhsJo_PgNJZ1JuwIZJVH2fAkj1VlO2HFaK5WvEOH30qq1iFN2HucwUlr7OcWXkrz5yPN54T37ugTAjSljVKzIDaT_LVxnGMcBZVQJpnKHyQsLGYdL4rRnUuOVuojTzcwMgcLrCdDs72y5Loe1QdwJbrg_yP0RtmgdgMPbsR8iL_AZTNOcREDBGY5uWE0ZKCYoFCi5TOT0brL9zl2JB1Z.p8xj_RYcPb5R0BPH6198QVriaaN.ebyiCp9nlepB5yzS.2ZE3a7OHNkH9mzJzBX_01V9AgysTxOS_qo.FbSud9PidetkuO9ZCM3uqOcakN1dKV_xTdICvVmDoHmTtNrtoZDFjogBu5NBF.TX55AkSsSKq0vtqpFoMHlJpE0oKzTH03ySgUsM0VhADUDLPcsInKDc6tJGM8vdFaCo7aQia7F4mQlmtF0cjd5C6DgN0u8Qu4Y2Ku0yf1BaVrWSS1zGhraoq.B4ax2rpWnUVCOGQ.383cCPouOu5YACype1TnO.nVvxz33Lt5KdL_jvR9XLqZoH6eq4F7NJDV610M6GdeblGrpDLfUZQPiTKODCfOCv.jMuaWr3vxn_IP70Jls6Od4W.RwXO9lEILF8QhcLbRnUdsIKG3AcON6OKZBMA9vsSigfzDfHrgynAAMuZmcYRBAodPiEhdCwNkdG7R0ztyYPd6mK.tMBNxPd8RvjDfMCRDQmoMi6LN1ilVE53BgSrrszgMRcXYfHDDPiaS1UL7fdESZvxZIQGlLvK4fpezTOZhuO5idV2pas0OOJy.8V2zmcdNNwVgilZ7868yUyeXwwVwaVNt_l6pzutzBckgYXSaxY7bLstymtNx_vJZuk74OCfywhw5Y.RTde.yiL0NtGF.ouoAnJuY1.r2nfSX_8pRqCBLUvKnH0B3HshOYq2VEycHU8Tb4I1CBMO6NYlDMdP3YFbFRPwJw0th1IR.Afm89BfyiZ_g7_DbzmH4g9fWdKFOc_b.AzliASJGeDbrmJ3f0xAndl9NjV.4GBKcABu7Uhjjq577_h8MgWc3f280nxbk_dNkscFFRCi1aSbIG_O.J3CxelkuJ8Mc.sbOsYkCMPE1gj91rNJy8lUaF_U2NGl4SehlBvoFn4BENzUlfc91iZH46cLGVSZwzyUjEd.D7t.qqidDu4w1rw28oCWpeKx04Undwlq.cBM_vMLMDzCDGhhWT1ePWQhwWcgYN.amyV8l_A.lAKcHggoZGBajGg6q_g34xV9ObXcKgoD6tmH3K3j0FhiGeztriNkwI.7O0fPjVkHmMtb0V31fudM5uyCQh_lv3fk.UxfXvzom_QmmONuTRM7NnD2jddJEn6mxmxkdKHBmoYwPpvsHNv.UUP2WTzLwY6WSEQoEA4xUVLdZr6AmlQE2tfbyATy5lIoZc57JOI.anvWhjlXfr1f35y5_nNDYuQ8VEkoip14zxd9PTDmXkmQZXfiIbqlYI2YZhwIZkT5oxcNmj5IIAo1ObfHsv87tEaXE854VUqBp_T6beTCvhIj2911Xp_5X5e_NpPJ88jb.SYlFTh.reypt5hSK3E0qS4aWxjWWAimdgCzOOrxJtjgxWooUNZuuRVNc.wH0PuLIJmOFYxvxQp3lKnAzHlnVFFBZlZpUj3OSJrNnRd9tAH9kSZqeh5qkyVZZA0iXfsn37yT.QsMeE8UbYZfXaB3DqszQbRvVGPKuyHsMSKBsWZl4ZjUz5wmO_z.EK6wK0PlGLF.9Fhq_rWQhWBEy9gWB3B7Zue6xgYHnwUcr5YW95Ie8WFZqmg2np19hOsWT.BKOvwp3XqrML83pMKo_tOnygY7YJHkafbqVpVqeym40.I5gqhlGp7IiViVEfMl9EVtROFVGPQT8WonLyhTRhfKhHPJd7VjPK3.Mb580KKIwrxHqz0yHL4Slacs.6T1jj_aAPzrP66NlDQDEngzYeCAtSArNOT5Xe6Yg2LjKtpb___jSsu6vC2TcoyYYTFf9tozXQgR3hYvRjGWfm2NIKEwWt2oLs8.P9Jy50YJBpyfEENRwlJmNaFK5XQ7PBd2RWg",mdrd: "yKLiWNPZwbwpVxwPD_wg4zxRkjGkulJYaAYa8CBU5Os-1739087220-1.2.1.1-nNAiu1_WFTFXRsZo2MnTm53V9XFvKIG5gRXBhBOW0u6AlAoL0fAWV0kk8uiDtaI.q7oNg4KK9QrBwEVjpvz9t4FR4oeIoxY0suMRUeTwyeDQFoxZuRSPLXNiF0D48cbwg3F0Z_WrB9Yfln6gUKmDwIBUg9x8qgTEiIcz73iK3yrKfbdR56hYX8sAI_f7L.QIZGUCOwqBO032jjPGGzlLuhcKwSXPLf7ZpaFIs2GGu00uDeIGzZ0478E9xss.bzZJajXqoCV4vXNkzX7Mk6UppiavDsF7holVz9QW5CHk6CwFeFpMGdPek.HQkw5SbpNAZmuYdz8W468p2VEs.wPwe8fENX.MFlH9y34zqGZxK1OIsolQOBRYkSrRk_BL1qx7DvpxjEErlU28B0A47lVKUGlufJX3AEDXFqthuR7osU.bNhj4FAcoA7bJmLJqpaEFiz8lXxil4bYoqa1pmhiuHpNYd9QpNhFfCdg3lCyID58NPP_KuAYx6BRJHCx3XZLtHrHD6Mu7LnZC2eQWaO0DJTH3q_BSf2SGHO0sfhNkrIxf1YhS5b5gsral51fSRYbpYzLA5ljaZ3B7RjhyK9KlTulGSO89R_BM4nRSl8tYxuwPHQlUNHujVlzwoUR9Bqw_HXluCbkkrUovaYuLBg.QDGfhjTNYWyl9fKNJ0mmfqeud._j_6SNSvJdlCslgSfqIAWLN0kOxOO8mwKXQY_MmZtrByxademFxWncn4m_FKLBXwzgyInWI2Ti6PMq6TVXJgyY6asj_YxJWAOM019OvX5ILZwWeOg51NBR350l7OuYBN58AHgpsj3NTYOStFH4Ie7DYMvFPO0dV1RQOmtK4_OtBvmJm_SjldNq97dbmvDUXXu4xp2_Z5ayXFjshSwhoP1n7f0rhB_gg8MG6kf1Cbt2Z.EM.uW1oerqpDMBfxUOobdBEEumM4fjBFF.xpZkNvjOzfvBzTfzgYZWDRYBBXETfcUuZMVEVSAk1arayHpzNV.OxmDCUTjq0B1ZCsjER0FJ3bW0hYYCE8KJx7W7R1FRqdhPG_u85l.RGcv6SEKuZB0hf4Gpu5Sly9u3CvyePy09IAKW9APxA.O3vnW.ubN9KTAidh8hwMZjvEsGMGIokXg6usq7Pm6EF.TPyFc6_8vtEay9xn0R7x9hrDYepcMDO9w5ULu4jFUp38pxUI3K9nqtQcVZmAp5MP_3.MSHkGIBVo2g0bwAowS6b.Rh4J31yMc5Mjr4Mn.urv76_7m7mv7W54Aek0BE2faf_K_gbRnX5HqA2a5MdvMydMpcVlcOTFiUBX_Pe5sXOMjSbLAFl_M07TWvKWlinyadlok25d9CbM7WndNXNpn6Q8dlX0TtKEWfa8TvEAwjg1FTAyi.78fub0MFNRnPk9kETIsF2RjgdrjLF90ukdoIKCuVkAwJY3p0p_4Cg_Q8SevDbih3ABUMZSqqeIOi4HaC9bl9v9dDSZbPpkb.2hg4izQva2WKJSydD32.6zzxq0cRyvD04YdJknk4rqhzTFGfvoSa_0kNnbhDPY2RSep.EIghUrYH3Xt9Tv0qwaTMDCZh4XDHLKdJEbtQXGfBA4elmyATpnP9sh5PxULa0K1gGXn7LYnVQ2NghtbsR3O9ajzcWx5Cg6dqvs.2MUntkMVqm36pNo98CV55m6MNn2i7AGtNNap0hxOCWZIFPrzGLf2QjA5xx88Jx.jd99DckyFgj6IHRXIgIkoIOi8sWZqzi4LSq_besZ2mCBxIkLe8txonS6rWzNy6XdsEM9dHI8.ee5EXBCMPlJYD_2I9HfLoNh598CVILpjqgcc67IAQPWqO22yryk6B7OfZpe7SFN3g2y0PH"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f23fb9eec1d643';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\/1458293760?__cf_chl_rt_tk=fI2agmxTkjDfDioO.SpLA2GJvyeJK6MoWqmPlWVRKSs-1739087220-1.0.1.1-WXDFWDIfZkIXhKr46wZPrCcI7YHm9T0i4_9eH.Y2tJA" + 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