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-749813088346.mit-edu.top/post/0583697241

  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-749813088346.mit-edu.top",cType: 'managed',cRay: '90f806b12a36825c',cH: 'e.kbgJ02SdujkNAcDGtcnmi.M4RKSvjqUnwti35ZhWA-1739147799-1.2.1.1-Sn0JfY.4772akerw9kQHyMiOlpTf4gVclDKiAgaHUv9CfKiytvgoZc9iPq.mbGw3',cUPMDTk: "\/post\/0583697241?__cf_chl_tk=0F2eZ_9_ATQYPOo4XGK_DLtcygQVh4LDL2rqoACr0qI-1739147799-1.0.1.1-AXFHU4As_j5gF48R04mpCyYRVXMvrL8mADYAIVsywFk",cFPWv: 'g',cITimeS: '1739147799',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0583697241?__cf_chl_f_tk=0F2eZ_9_ATQYPOo4XGK_DLtcygQVh4LDL2rqoACr0qI-1739147799-1.0.1.1-AXFHU4As_j5gF48R04mpCyYRVXMvrL8mADYAIVsywFk",md: "wlKPDKr2EusrWbQL6pkVdQ.8utFEhh7VlkqRMjRGgkM-1739147799-1.2.1.1-zST6aNbEYwEPkmoTqpa8sF0IuZgwXMPYi8jVN98a2CjzHigZalcaN9.2V5BbMdCLxkWK4BKnSq75JNv_QCKb7nN.TdJo86f6dNdAU95D.4VMCB_ABr4INEKrbJ9pkC1SWzJzwhtja6uotpScLZUjQJhaZzGBkHs9zpz_tCGPL1uzhSBg1RNyXOieKTYb8zh8OH_zRGGQbH_W_x.lLlNs6rxl91AH2vkwaZAQAClNfBvqSGg0CGXCYVnR.II24QikLDiyDQsw3KjPX2AY2k4iQgGXjCnfgSDn0mJZnyTu6i8uybMhXwIewK7GfsKZmLXUE7e51Xtk..F0.TyBzWIoOnaiK0.oYkVfBjB6NJkayDswNyBW_Yt78GubqqWUmCjxOrKyM3hecYm9dwW9MDj.DvMNDv_cm6Ff7lVw4qWYZuVsMCfGLd_o7nuDjoNaqKHIP26JWNJJdDKnY_gP3g1_R3.AsywpVhbslM8q1w7hJn.oQrLUIhUSj5198EM7wxiTr3GnzAMNUh7Ms8Zv4J1SecZFh.L2pg0XoQsgP1HKsZXF0VIjcAqAYbqjjvzd9lgGjYnaVi5_MVvS13kRj.mMiZwN113NWzMRkdGOEOYGXshVScib278vsNI1yitu_gr2ITmBbqGOWgUyP_1ZjRwsjvqpWcp3AfonCmn2PxCZLisySsP5dyhrObLKHv2f6a5V2tR6bgixwjzEd8TntIhQFPCyIzE6L4cyqA4Zmqzzqw6R5.Vqc1Y41UlY4ocsE5bKTvTItgRfff0Md8ARamMN6kIkMJBSV28_Oky2uEPiJFnGQqjSzz1zbdITeccBKL20IWib0g5nG9X8gJiZgkx3mBhyvUK8n_zM07dWM9Eezl4OD.IhK7q8ArFt0wafqq5SFhHHh0dIDx.ryTgmth2kOa6jxB1e5HCYuAV8Txwf1rpx9p.NrCTEOcDtfIlgkqwvKvRzx_IaG2I2EzZS4IBm1M.XDX6daNJiqttljR7DwwwAUdNyj9DBarcuF2EeIghNbEbxm.IzMi92oMF45Intm0ZSOL_O6X2dAheZpm_aHOQaMIYSFx4ZbYV3LjnBFS4X0anMmaicZRTuM2.v2k.p6dugrtJyeSjXVPIXEWkg36SpQddLmVHrY9e0j2QoP7o9pzG4G7Xl9mlD0HvCNSP6IZZsHYqHiuYBdy55kClV4QzkQDaaHc5eoZFZL7cRwVyQMAdSJMa5Y9FqQLsq80XF2jy44tmcwxxWssjBar6DnCBoRE9mooUPywlWILmm.8kLCKCl7NKxYOGdCkWlnCYbeuZ4O34ZCfkVZAuytQ3RZ6KtHXHXB5PUJlx_foxvyjlXLf1s2Tk6uyrN31ZyTFrYxK6ZmfYsFN7SqiWDnkW6zm44vdsrRGD784TedoC8rfTU_0OTtInCud0ZZMxl9OzJ2qb.UYF9.lgBWeLgziKDtyJ3kGi2SM2TTSshNhm8ABpc.Vxh7ciPK9wSiVxbkUuzQDGzqkF7xM8GWICFXVmIAM3Q4ylbvOvTD5gGOKV084kDOPwCftKM9geJGFMdsFsBWx2SS0nuTpna__b.rdarJ5iXIgf5zprjzvTcEQ7nX2cf0o7RIFGNrEXtjTVGsUOIM.nkEeA4cfgR0cY2Sw0mERA5bTcV0apwQVSXXKrcFTeHgn_8H1MxIK2pS4a_EcogNMVFFw4yJFgcvaeqCngL9F2_hJ7qARUc8sUxWFA.sjLbbk.G6599YgFZCgpunNsFgsSePoTPrNpQo7gBTpyZaarM0iX.rCvcfgrAiQTxuyHyCWM3e_m4suRFipzIVHhUp3Qr4Jqm8m.eudZdHa4FKUeqTvsJgtpIMrav00jVihxLApskwmDo6KAmt87jmtbP0KoLVLpxUgrsOHF2xJXWKsuWp7XPynOoy_cC_lV5NKcGGGqXlUBUaPXzpmX.ZsBBShV.wDFz1sq01GGVPJaALLuAOvMukzHMEDE_LgeEFX36JlzU99i46EKG0MZOIv5qpcZMNoOJdAJB7WaLhsXnKTCTSRMGGno468K5DdlvhgmzFGJfvq.7D5yM5gDRGQrvV5TTH9zEZe.xA7VRktEXF5GmEF_MGdQ1lyTgnP_sa6Ntzf3prwSk1zLAN4LzP.WPVlFpAVaRn7IrZc6uOBqNcIInC6cusDG_pbdhrxs.5mUMaV0nhXvNRn8_h5i9nyqzuRUUYSrGy4UYGZwFCm6AW9ecKo._3pfAesLhc2tEpx0l",mdrd: "1S__EI0AbY_1L3f.ozUTAieTYCIGHWjlQFcapux._xI-1739147799-1.2.1.1-S8S3XZS6i2ak6JmUjjGqBrRFg4BDOFSWJo7Hbq0EM2Y5zB7DNesBOU4JKXI52l97xaqBSBkcIeSab2pbjimNRANkfoOSd8wpt_aR.EbIKw_.2p67wmvcPfjiwsdzFIn9PvV5v7gN5nXNdn_bR8u.9dEkfrjaGemm71AqciWVCZ0d2OcFrLmFFo4QhJoarbes9tfweHiUmPaeT3XgOQtK2JQnA6ArZ..t_Ram6v1_8HpDvqiffpRwGPJa.XXz3H6VYjMnnY_8iOt5TvbLOAemKHXUkJqyZNylDg.6nCYbQGXW8hbvknlB51OVTQixG0n7Gha0kehmzRAlVTc9s8W7lEYb2tQctP.UQc13ZPu0E0yZoYnjn3Mpw.cWSHGYcf2Jmamn_Mc6kUL9N44b8mqnFXEQ41S2MGBCL5AqZOotPfKTjjIr1woEZAUV9aEhtW9ZI1w160kKtK_yUDbzG0mXa7qbK6X_CeMdWwpIvpB0Ji8QtmHTGzMmT90jd9LsnNl1Y_PjkmISpKBw99O5IgrLutLH.Qgax0vmpfAjXsrm3yICuXRj8mb0EGo3ftRheC9hjN04pGQfBkb_ZC5QDihKpph64P_kZ7jBkKFx14rbvVHBhPYUjtZ35s6R6jZtCQgtKUTg3Cr4F302WiKYAE5Vl4CAq7BANacZ8vv6XjDFbeHKAByZL9kOFiSH__pXyn9MsQN6OLOOVtSIfwT.JCYFahOnMJB4KR1JKzvyipLcEmhi_UPUxzMhkpNEDKugcddrVGYkPHU7IZnpntmMPPMukppuSmdzJ59edOKsHbA_OhqIzohLz8WtignaRow4ZZ74n9zQg_YJDrWI7f6esjBpOnoRrv_2C8N6iJwO4KLz6zpdufIZ28Ow.A.glwcgK54lL8SErQQ_meX1fzjhWOwvY9zAcJAXWnzzwYYwbcsUPVwNNWz8v6Zr7JlFnyGLa1jhPXFaopXKwhe6DB5RNSNPR91j4acoKwJ6u4KHrAWW3C5LCJ1Vmbn356MTDQyL9rjR0BOjL3.NDLHXnXFoR.t3tyy2yPoutcB87J5xo170YPYfCkfzw7uUEw1PdmVDK3qGN85rMtIaHWkEes.D9dxgHTpP72UnNJ9ecNVd.eOjHm7vqjmJ2EGNbiAYftfKz3F2lmg.L70knn51jCw_uYsQ7oEMcPcTv70Fp7xmO4u6Dal9_Opf3PAcvJ3SBdyzNiTIKIU0kXfzThGmMFsXgGdWnqDILGmXP3kkhbnUd.gl.IOoE9o_zKiTMOF6mpRSdGKNYufbES4nFm0nYKNSUn3TD5AXC23ThsHoqPfMuRAwnzvj92baoKCGcxriT3S8dA__sZkuRdLzAgULidc3z5QsCzjNdEF_VEt9YqTeQZdYzTNKvqIgwzh6VxzUr3U0okttjcUsTjUld2FWjP4mhoNPX6RD_HTSxqN0q111VsWwh2nYoRx2wgqPSi6YtcDKfhqiUWga4fM2xKzNf0HzTAWJivIhUBIai4rMSyPGvbVTBwjJSM.nvlYTh8XnXydeJzGcwLq88ePux7dIrPkKlrKDsgcY2XrIdxLUmFgI9NaPv78ZOZZ2ILchSzdJ9Us0q8l1tPz1erXmiJUJxEis4CeRkQZnxsIBBvMPrUkjZ.3oUyCXk0R1rn59mfICuT7bj5U9sXoJlAHDLEPVb.MKmnfMPUG1sU6quNEZ91XqMT0.5ar436_4I7uYBEaQwAmJFv.2PXeL2LFqphdJ0TMe3r3eV2flNwpm6TTHWhcflhMLVeG4Ag88a.rBhGHxsYiUKugflT2LVbnhsx8prniWecfPlGgcTdBzr1jSfcj_JqadTUQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f806b12a36825c';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\/0583697241?__cf_chl_rt_tk=0F2eZ_9_ATQYPOo4XGK_DLtcygQVh4LDL2rqoACr0qI-1739147799-1.0.1.1-AXFHU4As_j5gF48R04mpCyYRVXMvrL8mADYAIVsywFk" + 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