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-263971217815.mit-edu.top/post/0893425671

  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-263971217815.mit-edu.top",cType: 'managed',cRay: '910f64d2d8e307b6',cH: '.lWIX3kg6T7JNN7w8sjfJTkjGqGBfrskMX3hpsY3GKU-1739392827-1.2.1.1-YZvERtMisD8WlnIr28JcHSKLHHeq_rHkZogVnnxFKdYk1v3ul_ekaW6zVqGBaFBM',cUPMDTk: "\/post\/0893425671?__cf_chl_tk=st3mG_knPbV1x_MCy0mk0GF9XuGkeeNADWKh_WS2DYU-1739392827-1.0.1.1-7D3bkdw_1yC0RVorP4zYc.5iB.3f5Xl8pT8AjEPisWs",cFPWv: 'b',cITimeS: '1739392827',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0893425671?__cf_chl_f_tk=st3mG_knPbV1x_MCy0mk0GF9XuGkeeNADWKh_WS2DYU-1739392827-1.0.1.1-7D3bkdw_1yC0RVorP4zYc.5iB.3f5Xl8pT8AjEPisWs",md: "8gNi7CbiS2GVbp_3CzEi_UCJaVpwJQBB62NKorkAorY-1739392827-1.2.1.1-U1IDlA3lHSJX1p1hTYg9T4ubHfi3smAX65rGHSPpuv1iZ_.tMBp9b3sykup2l98dgj4L3s_sZFJHkXbscfUbOKUzjRDz_Zb9JvemleV2BDQYfjzPNf24_0E9IAA9zmvHW_7Q8tB67qfvYDZXR0yZA.AeVHqTbaZVhazgelIw5gcCktTdTnDfOP96ywQL0BNxIbJB0T0M6iihD.Qs1tDybhrRKZ7Quh7FcwKlFUgOmJ5dxo5rInyOF__r_87B.71kNR0ECoVnfzyHMv877qDx_us68PqHPfNV1HtQtSb47LgeIxx5YHKDDUlqDijgxYEjFaZxUaDftsRDYg5kalZuau8XHXy1.D_D_sIzuY2KNCSuDVS_yXJqp2H6Fedq55VBm9fXP521_DUbtupDISphc0nUR4tSvG6I6VcV0svMr0A2GznWUczhmBffGhtsDjwUDBVHvf5lRSMUKXvMGmZyPXgID6sNWH.BD8DJNQ09wQBPjuPe31QhluTSnR4hkY.P0J70lnZr0nNlu_54tUipvibf4ar7f0C3unsLIJvEJH7JVbjXlQ9F4jzgHtY402YRD7kLatZtRrYxBkzjOZOJ8Lbzk3jlBsyKLBHBTK8rW2c8HMjAIFvqJE28PTpQlGfu6zhMqxoagrEYfRc0UuDvFViipp82IZhOyYR5N2v6XCd_3oajsGOIj8kRbgt9C8Fg5xIHqJdIhyrKya9MjhKOJYM3N9NK_6dR7jDv2t_awYtt1.hdT9mGUmI9jQDHCGct57AjYa4Z7178iUSsNCkXwEjJ_RGrHtyG35p475XDUzNvWkkS9gk1.jIzyFI6JUpRrL91kEe3JzEDN.UE7BR5SGx6QDHvOzLpqou8S6nHNQLwXsQrKHSXt2xjk_vJ5ST05qeY6L2DArPlnW7GTr2KR3FhUiq6SYiF36eIkgfk4i0dmZ6jU71XDsIwTGNssmFZYZ5iNI1iOhTu0N.ZWJAdsTA6Vl2uLWZ9UYNX.GNAX9bi_aXcleRG3fhEZ.gwKvPq6_amY_zGyrtrcqVDJ13nLTCuddDwc8B5lIavuhuitnDigSevRLQhYCwjWpsGTJBeJrJqxCSjn_e0r8rblEUzoizSVkRhCfGOTiO3zvZVTDL4zJZOvQie1b.fcn95RuY2.FX4PF_j4QPVXgxSzbtoanpGg3WDeqleAFzECYxiQEAQqk.eHD5msFkpVBElNKX1AhO07CooBQHJFG98.by1ZQ2aEU.qIA0tgSbV01JNNFTyxgXL.WGWB9KlUMJjB6qoJKmNknDwHYILmS3Ui2dAR3JGTYAwglzh76u6VT7IN4XU1WjYkiSc82ZQWOWFFbTeRz1JRIyObC.mHG8mYiRJimIAmHt4Yn_N10NWkYU_ggwuG7WJL7aqvRfQ7FpbryQalrfdZO4hraelQYpV0arGJRPLQPPn8lYhJNciBqPP6QgpDvOINxigZ95DdiX_zJundcdnq4tTtzyBBIycxCJyruNb98I.5IC0fWFaYcfzBc69iGX2GTWogtCWjsHmVWgPQ3uwXlopZu1QjXgc7uhVoimyszpwSQUW3FRDHHoLPCinzHFr_zPEH00VIjRP.k8YKjtN7VNV.ghhBlDcnKSw4.kVkDrsf7dMrBbJ8esRTcvXnz1My0tWqTpPx54fmHL9_.EhGK7VT8TlCTWbhfnuoIcwe1wAeqARJmrNXyI1kxEI0yhFphTYs2nI3akIPhAYgS35zJSa2RGVLZgYsnVCBSlHvWuXcAdEHzJV231LA7rauYNOePo_lP2L0H5ZYF7u8y3aL4csX_DFN8UkUWVX_IrjefCXmRp3ZCqakrX91z44CsSu8HCUiuq12jIyim_89ehYBFyR2FQFP42bTtIhvGvP3Ci5z19VunXuB.yYHtX9BO4wJdwJpzan_O.umSUSPH12hb0S2CdaEOjK1MiQLr_Eo.8rJ9SVsltwn60NyoG49k49aMM0v92yjBwNvN6.KK3buiNhYw.c.G.InPvk0R79Y9WEx54wVY7Q3wVOYu76Sp.o.yNVRTrZkxCwxgE0EnEP6QoKBfBldClgB6Trz5FEj_3BS0G7rdZtQTbpvgXR_gQ9J7um37qf3nCzWEv65xfeuNLmZNfHw9gHYT737OP3wBpLpvIY5f38mh5MR0fgZPvxlKPx04ExXFQIC7Ut9W8XR2GFP3SxSEnpZTdCyWJWdwUTbDKc.fTuoKtSOHQJkjjf2H02BSI2iX15pMZ5",mdrd: "3hzgd_yzCLdd8MqPNOa7gw31iKQldmIRasVjM0D8rQI-1739392827-1.2.1.1-lEThVLYNHFUl0q.6_3tXfZOpV6WOWA7xxzt9e7C_cC6g7J9aK7R9ii_aAFDgKqXeuMtB3Y3tFdL8ndMnVG85Z01ITTSgw4.iu8rwCk9uz_DhheW5CXj4xJyAb6bjjYgFH32xvLcIiFPLnyLGRDKB7ttdIlNNOgT8ERvCyEnm7qznvtF3z.3.NQvJxGvneZcLht0uqNlRfTfSa8xK_8zSdzKqjk6Gi996FvszqnkfF7WGH8Ttu11YDrxf71e6CFA6mb1qeYyqoTKMYYudM2bvdWESK.E2z1I44_XQP9uVpXOPr1aCfWu_5qKDk.2HLpXHXsoqFvagX6y.vLCsrnDwW.N7FYavnEtpbeREw416X8CeGAvFzoubbih0_XELsm1uObet_8OA77KmEFeRvLoS7XLXWyhQUQC6xzhzJphcEnYQqInZ7v3nc2.Cz_Jh2PZReCXdRjcY6J2pSZRX.lz_nN8ZjHW4hvfMOSLW41qIlUqKOQKMeguGTPcGSn8SN0EPShYuDWmBKOuC00Sui_EfiKEdMKBEjN9Q3oBOboGXYGpmHoHHj.eS6lA3j2agFuo9oTS1ItxFa0VWyeFemB.JIhRzj2vAzK1Xq1hYTJzrbT0O5zd6wZU30DQ324hTPvIu7mRlD05zcpzZPs5R7QFgiarprnqiR8ISFtPUoOTmD8TVxfnhvZFxGyU_qQTdS2qlguYXoLExDocZDTHE14ZeD2R5W95dfbcFsT5ywuuAEDB1oIMCPEhBy2JhcjlysiL52ZTlF5Yy9rpZM.QceqUzcKScgCh_YqjWkP78URI0qJTPW7mHodLWD6Kc_PkiAGH131McIVsc20HAeGJf5NqbYVzd5iB1zHlLKwkOOu_whKm22_au2OStSo.Kavt1koccaI9.YtuJSWavLRezW76HAMHdnHu41rNBwu8St2HfR4W4T3VYeBMW0TOMkRzK3YPZ4Rcu09tMMuwTXYp9mg3lDjtOjkdwPB23ntmy45drOz2bgPwm1qCYEUwWQx7Vzpf9_Ifle_Qie5LT7zLUXbcs.f95R79T84pfNQsUG3tpGLThiWx6_jVJZwk5KHZhJCJzcclWmn90NuCjhGW6XwnDXUMAcycbUVDAJ10ReUSFcbam2LAAjzVSJmyyaccAjuGIbY5bXPC8jJvKMplPfAt.ZOtYYFfmjOPEjydd3H3Njs9ubDw_WOec3em6luhxE9VwDPukjZlSa6UYQUnFfJGrzZ1ErnHUA7XJo2hwSyOcwPcgJtwXEsZvQbxaSAFbyPy1LOrWOC6R740LCglkQIrJxHqty5IgqMnkZljKqmK62mmmqopo7PDqVw0KOk19dhmAeZvYeCbwGbnC1S.TLJW9LSM6sdWjxDsgvT009hiWMBjWV4wa4P4d0zJ8lR8nKSlRiWXqXe9Lzaku.c9XAYpXsZ_9aYCA.clym1VLy71EVUcmPbZgaQ4QtjyP6wj68zGLlZX6zRRNCdAMZ6y15cEI2ZeL5Tu7KOl0jiUyM3Dql4kLLyciD1E11KHTGebudQtWd1gyQD9hzzyCXCF3si3cRdvaquZ1mvuumTfL8gzN_Id.api6UlsTsqvcayAWp7gCAzkGTpgBncG6xdxLw35HaWWSJveX7thf6Q_dOZyH4PzAVuF2EfomwUSAre4uqkXOJkS3SCYwBzHqYu8WdlGmKJI5rzkNGjQCfBqoyiCUMjXnXYeLNpyBMpeZyV8orHvqJmDh3PeJ976poq6AZxNlvm25ak1wyXDea1PpddM6MUZV63CRhXsH66VBj5fBWNg654UJpFvOwrf8ef5hjGMTiCIaTFbQrr1S9NFb1WaPux8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f64d2d8e307b6';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\/0893425671?__cf_chl_rt_tk=st3mG_knPbV1x_MCy0mk0GF9XuGkeeNADWKh_WS2DYU-1739392827-1.0.1.1-7D3bkdw_1yC0RVorP4zYc.5iB.3f5Xl8pT8AjEPisWs" + 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