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-887852781968.mit-edu.top/post/0491278653

  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-887852781968.mit-edu.top",cType: 'managed',cRay: '90f43584ce76d6e4',cH: 'e0AqNs3PSKcAQefVKeQ6WSErSmF8FBxrwTN.2z.dIw4-1739107774-1.2.1.1-6UCBxJ4WYjl9LaOcTwFmSzDMbCvlibZQQ_7pOB._WJwShqdAnRNY_BCHYr08iuIy',cUPMDTk: "\/post\/0491278653?__cf_chl_tk=Zo.e7IvV8IrHhqSd0z07tmNczgCJJXpp6u.Af751ddA-1739107774-1.0.1.1-kD0rgrydyQE6zf14FSbCj3tIrknpKlRP6SOKGlsowz8",cFPWv: 'g',cITimeS: '1739107774',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0491278653?__cf_chl_f_tk=Zo.e7IvV8IrHhqSd0z07tmNczgCJJXpp6u.Af751ddA-1739107774-1.0.1.1-kD0rgrydyQE6zf14FSbCj3tIrknpKlRP6SOKGlsowz8",md: "c740TrQ0zov4iw9kjWWFYNNHscbUaDX8feoPA3xATrc-1739107774-1.2.1.1-upIBQa.1.V8cTgklc4ZLQiluZTy9i831tPVxaJTWKnVHU3JwUgIomWlYrMz0Wg_.zk_mo9wE9rUPa.Pcz4IuvWsqXJjxS2Hvk8Ku6krWNBYg4aUxj0jF1H7ayecRpRmYwk1MAvPoY1J.yxhooznwzaAsFYsBOhwYYDSoaZeMdWjOvYx9HyYyINYFRTt92b.sBmW5MvtPCiNWRPCu_xGmcoP2MQXiLT2JmSlbfrYftjfqdK.yeH2uk88g6nmTBWBSk6MqY3jiLramgDCp9e3uBCS.ERFOZ1XezwhA3_qPMIcnBHq9N3D.o9HoPhF9967CGnzo9WMJglvU8I_25Mwp6MMVyQl0AQBYRaKjoIhHBmSS6K1SXuDmYdlPS5opIVnEGvmG4S256g3wtgxzYjsXUSLeIq1VR8BP9EMR4NehEmYs3VrPjfuwBwOBDcvCph_vW1MSY6P06h82KpfmjNZ7vIY3Fbdqcy4wYUjVB2IWcAcJjPmI7gUqdzDluVAzLKuKJfZT.3i4.A3u8UsUKoa556bk_D1w2RT1zUvwuygFpMPO2V1t85Mc0jxOBx2GzsoZ78qRfisY8rltkzCIY4Os64X21mmJBCEPC8Lz6nHnCXxZ4wrPlcx6iD7FsM2OHPi4jMFHR6zEOP4O0E5uTJZeuklG0hpBvHCwgr7ZJwvMFd07DXc95WWPnT1XAlGmq2N_xvvPOWCn5CMT2DXOAEvUmDWbeg_JA8lXOO.360Y8oCMn6BXfz.zRrXS8a_u.T_C9F6OCzBk94PcaxtvWqFky6DbYLZmwRjrBOfhM8HU7cbZ1UBeOrHA4vuf6EXPq_hpeh268lSiSfHrZA6Gei_LeY.7gjbp1u6JYrOiEBf_aNXkqbwZhaSDRnT7H0Def_AHLe67cTSw36e78a8D8nMS2YoWxCKQFzG7EbLEPs8a4PP3JjxtUnzn.IM6hsuwrHIshAbbiMu4RNDPazgXTHwxSWzzql5OoQUIyXhMvfknfzGDAqeZeQEi3SP.mgBXlTSLiK0q3sDnTJzLXh9rLtyOlE5ByWQabAgaxh2CCCh_7Q.PLszVjwiSsjxoJYrThiUmyygjJhUJEKxpR87F9RCfu6yPeMoL67GVLe32K_b5J47gxGASfGhTDjyu.PzzshNLcJF5AhQ_y7Ws0WebLILSMxTE4QHNSoL3mqfCLABK8qO1PiQc9uXxBeaI7EeTtcSIzP3zZEDlOTquxW4VrN9O3B.4b9q4yuFCbK3jbJAyPiCnYYgqWgFtPpgd2nYhcKAgUJjkgB76EImsENa6YRKUJMYaHFRMFXu825juAFh22Uie.Q4ZAjnX56qbSFrDVJXiyWBV6Fw4yjca6wY2RXwN1YoT24OoG77NGy94fQk.JTZm1aHLjJRTRN0GGxPZLQQCuddSMDfti4zz_Yf774hspkwnRTu7HD.oV_mRDScG2ktiljdqeWws1btlHnTalSdl5FxpvXLjGbqraqixHQNk2TI0StamBjRqLXBLZ7vIwBaEQXMPw8coYzJauAkirrkiNptrbCulRsC3MYNFyvIHxfdwa04grmhhAD98a_gSWBwgdl44cVQdx61Uwvds4ZyJU9YbX3NSxDsnwUPCtUvDiw86wBoPHZiKdKbTpyFhYQXR4lHFOolLvHBFCKWi26lXjEf6XTG1THuigxzBYMHU2Nj4fjjX5nixt8mA220JYi7vqH_CTN4lAyAyrBPLJLKitPU1GvPhkJy6PMV0fa0gM6D5Wwytde40Ob4fbgFLvkuzjh2WueI1awoMRk6GZRprLJZN.5k0SNN.qhd4tGPnNN3pqG1H4eguYBbutFuEjxOVjR7AiCVWaKFycFOVYNZ5mtAqJt17mqzZvMBDOkkEhV2DLz7xxKALxamtnSHZ1uvK.vysj7neMuXEPfM2m.YKvPw6ncwusE8dqPQQ6htYE8uWdcvugeUeGNexhEKvD45e5.WXOiF1Wtm1b2RXcRs4DYHfljfRpz_QoA7LQTUPaZ3AnRZXy7ERG7H3uH1wKuGtswsqOdM1Y1fJs62ppmA5n_NopB8Tlqr1aKUngVogXYFMAWA0eK_S_NHkv6aHHct6fPT0VjF7xYOnzMw53Dv_jByzdrhXt1dEOeqtPxcB1lfEhPYxfFvQV498pi89qU4_qS.mM3kK2655wh6GkdQmEU1CsEBjYNZuLvGIosMwE0DnUltJncVp7GFGBnrnnxAvBLriwrtJ0clGBx825WS60",mdrd: "v5GYeudJ7L8ERrcj6zZps8qP3NOfuFNsl4XkrPgmjYM-1739107774-1.2.1.1-ZX6Ji27zVWXEYxaN3ftBYIjPyS82ZHAUMAV8YICIM_ciLrj7xY5Y.7_DAqHY5ApZ3W3ayazZ9MDv1JNnvpTeSpIy91r7n9dmD4GW.7mDlO8f4MsCMZjjDnr5ItYHySoFAe6xQ3AXA0QfTrqf3BP.WK9BhWwk.BU_CEJmdttE9q6FIxb1.xLFmIqRpYfZPLxBKPpV1J8rofvXDV4QFi4EzwiHIm7oF7LuGoOGpsk3gsF8A.7KSNMWCHUzsut2IL5WMBnAcIV6IMhDDAUfhAvhvAVQYkTmdm7YpeDe5aanwwMV_u4VQDkLnvFLrja1ZFanBa3mmLWP2NLFxQt9_Sm.TyRO3tcr9oaccH9c2PDQnYOmgl6yLPMDb8PNhFB1qU9S7uqN3Zt9Zl91xWYfKvPjyxnUXJZylT5XhzZzFeDfvuZksmbo8ExbSOD7DihX3oYDFdOppVYOkhdHfnk2h0pjlo_R.shVL7YVMybGHMVHFcapDIioaENMwX69LBkDpgrei5I6nz1j8qQYsCLiER7iANhnRLlXVElKe_0qLcqbwIn21QDv.UHOCjW6sdN1YCW4V8p.ONgAiXqaaWi767.kyshoOLcavQslPQJ_GEOxd4FcEBGBT7_GB8c_p_exDu6j8cr5xDcbu7dQORG3Kx.sUD51g0s8tCt6bJs9bwxRyGHOBwgM8xNu3NYidhlrBlSdw970fR1KULWU07YcFcFhW8gEijHszkFa7R1KFikIxDbHLLdAW2oTLb35RLcOI1XC_N9jEM0ocrrdyKcG0xGxzr_l8.xeuv6LkyKaNlPKClLSHmXmglAlw.wJUsPKbeUtOXkDok2AcY7kQO8selCaGN0_Q9BrSc9D8X6qN4.bl83rWoC6kmRILLf10YuEZD7wtcSSxkUu9WK9ZPZ3DFMyYoEvI5KctoH46JTIn5bsi5ZEKyjCyYZkGQmI_zB8zpKrSF2eMioNYfjcOVygj7ceXyTJE3GQwkU8wbJ_guM85zs3KPvGyGDWeP7cDauiQfczlYQeK2aMpC.Qco_xgClc22Pep3aN6PcFmnqu9knINLu9.FyRQmkKHw1Egg7N.Pyh.7.IGZJo3yvFgumX1M3ox0r058r4kU19ou.dq7Jv5RGWAG1Pzq20cqZT_GMiDDJhIP8eiA.me7x5LmwzfzYZM3_usZ1CXkdDEjYbpNgPI6Twdl3aKslf7D06jzTXIwgqiptfNPQXQ4UlvTgbIuy4PeNG5xgFFQ5xl78BrKRZIuorO775Ou.FoERaez2_1dVf5kPZVgUSynZQEealqqahidN9QgacukXvfwoP3vIj2Cqfy5GofrNhYy_zag.UT2Mk0Yk.khxdzrxsD9rOT.SqTV1Cp8PcGu8U4rwzBpOWw41BNFtbSwwgMJpX7xCzFn28V4yJWQ5jjThJkdWKsM4uWeN4802rggMuDu7KA1zlka15a4tiOXPX9mIPK.mDUBb8W63gjiCNSZFneM.9mB_C_mDpGM8g4.JxCkAJcPLnK1BSbNaHY5PuQGFEV1kS_GXARJLWOkRXOjR_fMv5r9JesNcCjC1GTXxI7XJ_d6_3naeo5aMwN3tM.Mzz3EAVLfbuXlKXcV2EGOXJIg2kslBOAQCoFtB0lzCV3Z9drG25SeM2Vr0DEkXTylZ4zq1gtmqE4NDjKYS0tTrq8aHj1eX0gWvaGPzJD7Rd8Ug1QIJ1JZJ05g1.Pv.jOy6glla2KlI2bq3rdUUzf3fqvc0eLT2sgoTl1sWmbaHiPnerOHQ540p5jtVpe1ozeIU0ZQh8N9t6hMRjyihYYs_knzwA6v0Qh89gFv60d_i5vUiDcxrzi765UvNtPmVn4_m1e1gF85YC"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f43584ce76d6e4';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\/0491278653?__cf_chl_rt_tk=Zo.e7IvV8IrHhqSd0z07tmNczgCJJXpp6u.Af751ddA-1739107774-1.0.1.1-kD0rgrydyQE6zf14FSbCj3tIrknpKlRP6SOKGlsowz8" + 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