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-afflpxx09.mit-edu.top/post/1364097852

  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-afflpxx09.mit-edu.top",cType: 'managed',cRay: '90f7b43569cd575e',cH: 'BbCn9eCm.f_BzRa2tBJFCJUrLPBt1vzzjgq4OVIdS_g-1739144420-1.2.1.1-p2lFlJU5NYFi5ETJ6VicdfbCKdduS59.dByslLTbqqQnUGuSr6ynlKXO0VEoc78k',cUPMDTk: "\/post\/1364097852?__cf_chl_tk=0bFyTuvYEiBL8sUDy78xbUXKVSc_gnJONYK1CGEdRmI-1739144420-1.0.1.1-x0qStg788IERHWIi7o0EMeGNpb77Unvd4puuO440kGg",cFPWv: 'g',cITimeS: '1739144420',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1364097852?__cf_chl_f_tk=0bFyTuvYEiBL8sUDy78xbUXKVSc_gnJONYK1CGEdRmI-1739144420-1.0.1.1-x0qStg788IERHWIi7o0EMeGNpb77Unvd4puuO440kGg",md: "9y8ofABByRhP1pEVSrmdft9G54397qOlVWKXeF.PgU8-1739144420-1.2.1.1-RNkXq6qUgA5xcfSvYh9066PvPKYH2DOdr2YuSy9Ag2_Tyu9_IvNlgsg2FK7GAmjhkZ6UvhB9jow82kNbc2IIEbU0PDOFadw7NWjV7YQfImvHx6DBby5b5HzC_JKt6f591DVNmCto_cGegnKq0m.7ESG2rwruplZn0ECgiE3G79xqquQottcVe91veEn2ZoPTw0w8vFdDnlmXYRfA8t1sSN8K3y9am.9xhEWTlOeRZOnOWu_0.R99N7q.kuflyBTPdYRXALBycNMT8p9em_U2QscDXJwk.Ju612rcZ0oTIij.dN9Wjy25OU06n6GgdKypWsvBz2lpXXLq2fyrPyzyA7zhrW_RNW2ys0ZrVPMnI1LenXqiysw3lJLFcli55LvOvj34arwRKAiWE3sZFsPjAWzl3kz.LY_zMldkpYfXng4ZVAJePxgzqB2dp_0uQ7QqVVxDIg6c1GBiocZ9b1vHv6FSbOuMQmM3qFkIVdIrel377GpN7I.kV4wTmGB9gSxRCdchu0F25NFWG0CI0n6xr8GIbkBiy1gc9xCCzAiEK.SxwROsFvzzAbTR5TvJj9gqkfiJuvNNQWYIHFprrpyX6AsktmDBBF1umExDNjBeeUq8HSubWII8tE6Yktsl17fUt1pejeHeC83zGFZlt.qwViGtJqwA4MSV0WUgD6.Yaz0QXeUbiQ0i4ddTyKBJRzkmayoZpM3aEaGfy1kANMKNmHOuTkJlbR7U5WUbecp2KdryRpp2JnBZLLbWo9Qc9_a8o6C1nCMxvHlQhaAkWsSDHFwytOoiYqafHC5IYMTlIM2FbllF8wmWziYqTR4kdNDWH_NDw9.J7Wq9mJlBiUNTq1.JvzJ2sDhu8rxFbK7pMaRhfyo4K64mTvPu.d9krEF5xmlC_hm5K81eFH0OY9Q.EJ39Rsc7Y0xMwL93HyhhhK6noEJ.BRsCBWAPJq4Ffqfr7F0M93AFiVGr6wbjrulnFBW7oA8kQbrpIHPif.b5M6sljlXRGCTr4J3Inpxi1J27qD5Q9t.iv.HYPt1bR65yRXmswqc36dAcpP2QWHlsHMBu0QqGz6j5.uCAha2VThR5ZKjwLEW.Xtkyil78BU9lfKrdXPHjwfxny4pJBa9kuWYRAKyCoZAFmgNITvibqcEfgszg0_YJI0.7Kfowo3hBhpqmfWTNIX6ElacwDiMaEA5WR.wEAuuzAO2pKkuaGhnCqokHHIhCZifl_7aPaLOrfnz1T9I2CnoqUzAzDGle5U5ydSWSCueFDBBkkUcv5phLbNj_HBMCKfc1bgTqwkqu2sfcdrN8mju.BkSCkmOM4oKHujrmXgNm822yoxddn0YkUoI.18V9VKqcmO7DFA85zOxJJR7vh3Srsz_bHh9okvAPxbXsiz_5Mu.iKR7k7t1RPV8STkcpFSmk5l9aJ216RqzAV7_Hq_s0WKN.2oOnX_j9Wmy057q8GxYv0MaoPA4nqKDD82lXS55QrvJSy9pWJv_WJr0.HkK_dV2PxQGZdzd0XLpfCsjnL0pXFhePVJkWhITziI0YCuV1x1eUP52sBfT_B1LesSaCFW4AvfhGuD.D1l6l2fp_XN8bwhdM0CzAYehxsJA0kxTMgfy9WLuSJhr0VnWNAO26ZAlebJA4aWngBxwoe0OVrVzGMvj7at5xnkbyiju.R3VcazaMaGlXPDgrGrLI9gD2.k4on3ewPMTPNKHn0kqRRqtF0RLj1T.tvSZOx_p1wAe.lu1kd2Muo0y3z5Q08jWUoaAwGWx8nsLfh93Y2oblR0E51_1KJUgDH9lhefD5FGgiI47oJtfbDoMvjU2Pb4Zc0JwvsPNDG1pTHMV0bhOvkF1sM3yuaQ8sviZcoHT7StSNjWu0TOCDlUTb_gYRVBjzh3nfkbMBtX10XCu5pNzT6Ddm_9xoWM_9RuPuYE4cT26pYz7lE3HGnjOjgFDxlHT0BKNHfbTy.g7fEysajyYd_KAhNvJIVd2J1iVIJdlJm635nQ3oB23KbjK.nvugOm0cuvrmXFMpmyanvPmDk4C8exBsCmf2M8rDYp_RN3eZuxXCw214ZKsXZXvFWYdolyJghNGY6ZmQFdLrPoNFCzn71ilzLmtzsD7all435x4.GPZ0QiZlK.c.37MqfO4EdS2YaZT.zvRewas8cynYVo..M4QzUxoObo748vva38VKT9deK8AzEHrsLnEFwpkL.a_UuyZh7_242jtkem2g_n7BQyRBU5Gv4x91",mdrd: "qr.T_jieSMB1FhBGcmDI3oicGOMTOW7zhzM55.Z0WqI-1739144420-1.2.1.1-EJJbB3fbqOhrNU3GKueOo.GKM.AoGLG4wxNYzuM9YwAqrAyrK9gvUgWl6NCuzPbaoYLvqmSTzY6CB6AYfmKQsJfW8laDqYnb6EFfkB.oJnYdUwXSGzucgYsMw4PIhh1mO9vZT2sxkRCDPPMwRguPRTsHxFGec7NAErQDv1xK24htK.JCwp098lPJCePtBGSCn1XLBzI2tmMzTS4HON7LYjxLhWJsgjHC4b_qZUP5OUbspuWu7hUkh6n2vABQ9pRU5TZSzf8Vrt0P3lBPEwBKRUNMnqp18H_wzESr8lzawmVOd_a6ecgih4EyoX7U0oYJWge1pPVHl8Uczao6w3Faig1Z.Tq_bt4OcEHdzMv0bAc6mm7vfQzVgnjxjwqcwd0T_w9WztYPFgalWij0PPpR8IWq6ba3C3F8.78O567KwrDF7xgeVjSGcaFB7cuyJ8KbAkNydpQntQ.5qR_LnkPRGn6F2RkKvGa15c6Bxsh7FKOXbLWEk5hUk7fNaVM2FL8SxKkllKWvVHC4UcRIOt914n4X_IPUpMgDyczMj8x0yizFU4BC6uMtr_N498PaF.TClw6JfcAdRnU90kGEdBrRSgBlhOGgqdsDjSnGHJJD1nMev7QpftdocUk7qJA50mKHCvWfwjxUm.rfRHNyv0MN64P_VW9yOjXn1bpQe9A6Ozo0yWqSZB6r7nT7Cc9MczEuJhBm.B1v2M6L09kuxnVrd17z6ZkSvOeSnhBJ8gRMG9P93uAFzK6wzbT29GCznFpznPuuUjrJbAttDg0WqqzJRz5h2mlKc3APD76G_jG0N5pYT6uN9GdNYNM7iXVb9jw3IoecZunvisiWK5A85BhjHD8icyi28aOKzR7BD7rzZpV1Hl_tRogedX.PsyfvFr0egC1V1Gk_3SSdvAWRH48mXljwhVzyue2Q.YYm3PcnK0KXi77fHbyDLdy3pxhVC3l360rULhLhsx5f4svYT0K3XtZXxdlEKQ5.zexqUCLvCQLMyt2P6sWYR.F82K7uIzMY8GRCe59EViuc0h1az97DyNykiS5GxXZTbwdde19yeqYsZBZ9E7qpq4mb08Ez0uoqGr2Qyhov4D2PUUuqfL4Z6qgeJQ2CauQBN9e16bsp.8UA6tS4jRM5qJt_bv_L4PTwiKzCLOXe5SQJIbeLAp8.ny5t4Im23rIgVuDswRv.7wNOE4nqyyn41njGMEtt5YMe3ruV3gPtOGO4stq5hVPOu7g9PT.po7iNn_yyKH6nrRm0i7iW_pRgF1JzXko1eNMsKsTP2Q.ky3t.pcG3AlqBsE7aA.ikJdqQJF4Dv_QdSld8pSl8jVmz6fx0xV20B5ExF0aUeQNurgydoKD4XS.aVPmOcn0uJgbZ9pXpM4xcdOY_nLYECZa2vCd_QFUL90gz1_uZMTzM.ewJOi7pp4dnpKcuo8QrlH4tbJrGc_g00YBfSobib8pHukNVwYq1Ry6h1CdTSkgFtop8h70KMriSdm8hQ743v_CP2nhy9UM1oQ7yi7o0IxpdNxE8Fvwkivha5Q23.ncFKx77fRuqojYeOuDwwxqTxUbKa1w0cyXJi7.QE4CaAiaiVA.D8oT_i_UYeFuie1Fsa7J1UMnK2jYaifE9Px1gPWh82oRwgXrmoqESi3SSo_Tf4.1Wwfs.RN5k._XJ9yVsJ0I0Tw3VN4Rwnvq7GoBf9x8T9AgFQGdA8iS_g0hyrKW2kUgm.HRgycsk1lidX.EG576maGgcfni_l2QddmiqwZWHyyMbEahvvYfZRgzdLYwMKxqL5lDDdgqaN.Mu0T9gbtf18PQt5da6GnA0BxgmuQKatvhvt5sLqlM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7b43569cd575e';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\/1364097852?__cf_chl_rt_tk=0bFyTuvYEiBL8sUDy78xbUXKVSc_gnJONYK1CGEdRmI-1739144420-1.0.1.1-x0qStg788IERHWIi7o0EMeGNpb77Unvd4puuO440kGg" + 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