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-517517471625.mit-edu.top/post/0783296541

  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-517517471625.mit-edu.top",cType: 'managed',cRay: '90f8528fcfc70a7d',cH: 'hpcLuRiaWseAPH7l.4vfcagCEY.e_RdThNNMiiA6W5M-1739150906-1.2.1.1-ZH02J85y6Oum.YdRmXqCHzF7eNoYisG3Cwp_CwJyJV3DbhS80zkE0nfqFEwAS6ss',cUPMDTk: "\/post\/0783296541?__cf_chl_tk=ustkTOf2DtigZto.E4hkUaicsPEaGZpvO4Xa1v11F6w-1739150906-1.0.1.1-b7Aklj_IoWcykEg68QbUVN2dXTpmkks2w66OkmVftLs",cFPWv: 'g',cITimeS: '1739150906',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0783296541?__cf_chl_f_tk=ustkTOf2DtigZto.E4hkUaicsPEaGZpvO4Xa1v11F6w-1739150906-1.0.1.1-b7Aklj_IoWcykEg68QbUVN2dXTpmkks2w66OkmVftLs",md: "zxQ6QAzK.0n0gpKl3rj19SjeJarSoYMJ_u0RfGn3Qzw-1739150906-1.2.1.1-9_udNaixvOVWoS7rgn_ZzPSKEql6x4C7XhbC0_UJ4Nn0ppgxdCsuIr.beWJwGsRIIcg1sLuG6abGc2Bb22TpL1HhFj3SF63Y0ozO1E7JHZUopaud9KvjLDSnyNdV_ShMwdPDwiNCzv7dCNpz2fzBOBqPWgJf0_cPgamhb8250GEckxXeOQv8o_0BrnEp1MN2Bhc7E_Oh5RDuKylX0SUE54kDm5_meY5ROOLYrEJmP6d0KziV44LXj.ALkV4XGE1C96V3LVCQFK7WeCuV51ubBsx2oQ4K0hodsBKfFEAqK8dLm4dRXzfQvgHud6YaAaIKXw5rtslg9VsMib_FniPSeWVyrtFUxPxh1vaNUKjCaoleU12GMHsejrIdddCeFdV6lklN7YIbotlTCoKIyYBGXQBX_WgL7LWSAV514Hebt.E__QLEx58oiDcMVeZAtM_ZMsHlyzBLWDkfky894lF8E60wIhcN6P54Vob3DpzML2_EqI2zClAmzNA.RknURbsJlWRduUNfnkL8qQysJTog0TiiS1KUU6rp7JN1A6cK0.5KuFCz0oWsHjeRvdzJBgV.0bubFZgnRVCoNf9ydEpeQdBXYJJ61TNMyqRlsXf.Znay015d8yUXHMemCr3yPxORMK.fi7fvn.yx8.G0HfzMgLGQgwBbVUL02Wp3E4prewQSn9jgZaTDvnOgpubatssktXov94wfJtLvQPdHy17D1ZxpOjiVKMEji.VK.vmMbTh0lE7PUaZN0ZEH5V_s9KmyF0vibkiB7lBe1FpwhswwitT4K.Wq5q0TcFmfu8PxvvatVW.uYYlin7ZCZkphVJLdBHiaxuX.Wib0TtLl6DJwlWwdxZyGeZJSnOHfq1eJTupfSXap8q4v37fCiiYHRbL3evziTJcQP7AjSu4djDJ4dej0B1RK1v1E4X5BZitCjRXLZbkCjSB1DT0t3Xkk4VUHwXmpM3Ro494.mtgEWlvrMZdp6m9OP9Ne.wyq1K7_MEaNbXq1J34zJwbO_3QFBDCVcb0RUTMP2QDUT7YiGiq.ZYT5BBfLERajykFWAGnnbkLXYQ1B5NTFEhcUpkCajsXdCGUtloqrFYfZolvieMY3SHSGKvKCejXQdPx9ig5ynZjgBJNAqQvXqxeNJ05MbuPaTUBunLoxbU6DNzba428sbb7ML.VpR8K.QSgp0jbf8UpsS6mqVMHyHrOXAoNsH2OHKcSC5YvYVYh8KGCNCpZ_r.K_29fyOJuKijwH0gwYvhTQsO.qXyqtVbbAsVkmXLxwfV4hBjJ1FrHdwZZodPUdjqWunYqRi0r0Ua4k097b_NiIj2l.Jwv2g40gniKf_7v.HrRYT9lnVh5AqThxkYau511nO1fsv_1gUGBDl81KasXS_MUVbEPz_qGcsUZIWXNlzElXxa77bWu9_W1Q4f54tAJmdfEOvbNxLb6ssHlI1AHEsBbkpRMPzEtDIuSt1WFjRU74z9dc20BWIRuzI9Yfx.dn0f.SWLe.QnErb6INal2ikNPQgldu31zdtv4dBXET_AWJEFtfWuG_zzskF3mPHw0zRDd78jDQIJAHdgZAf.tMWN3zAH76FYL._kNjkKybtCwjr3Olx2b38kf_MH_bMBs_wuJi7_ioqYqu8nTPkU174x9cIzHalKIWBc5F8d.xSyBShHY.GEZmSzOJsUCGwud5vv7Z7Sk_jzKw6wgAE3cuIwPVRVrnJPLD.rwNsFe6S_ME7AHMNEs8EtTf6bFzarrDnUiYb5giJg7_V..NgnHgXDDMCIu6WL498AxSrBSDG4trxuuSM.p5wmhkHpoWnRho8vm4yx1yHPV2zEJTqNWQIyof9Y3_VrQmzCuDXubj48Ap3tFD_Kutnn9qEQoKOXGAhbPDvXnCruxGy3JhEYXJ8h47M.Ku.33LiilaE5lf2H8MnhKFF5sN019j9MWpnnwCVl2TnXKj5NfvilB6tYJ08lEkpooEeVOzDfZDDauHCdSOX74AwFZd4s_OWAj1NGEoXYPSCpUE57yg7VBfuGkfX26_XoirjFfhBMRXyZTDiFfZs6sV2NtyiudWUmdO7Jlzuw78nUWYdNy.0cXpAVBvmGUdX49hTiBKh3fBQnqtIEBm5z1YgH0xVT3VP70KHb5rA9ogrqVvx0It9kgycOM3YoZFN62sWSyiCqIxy7uNQB580BGpCWzGAv0lrCRV56p5rELqF.WDDbCCZLP6TNzW1fVZvMLPMipcaloXCsKP",mdrd: "HSiXqhxsZL9A9zKVyTh5Tdmpkr1_BN5M3gc9eLNRgQ8-1739150906-1.2.1.1-sWDa0RXmvPUXmFZNJ89aMSIynvHfEXnguZR3CWz9O.wRWNPGKpOYhpxEz7na_kH2mCjxTe6JJRlpcPJ1wRfBtpx2NY6zkzofqFsk69lPIkYWN5qTAQH.vdQhU.ofXYTPONaPsH.wIzmbfTrv1haHMINuXOvarBDTygsLyZOF7DkU5HpysMp3QAWEo.aJeV.iP76CNxKBXGpV_UnO3ggyvmYSlSLFhWmJccx_Oddzly1Ui5BY_hjCRI3zBkm5YY0rvr_klW_620EwNSms._dWrAhdoXRxXzMMXLr4vOJhdI.Z4ssyeS8l037_UfRLTKmQG5QS4Wxyu_LsXQpQT8aoNE9UgHZSq6t1yxwB0ieC.q2tMNaDVtVrKxg22c7c8KW2_AbrF.bgN_A9xvbeFB7_gobVt.E7tzZqCNd51ghpEOEZmsvi5DSi206j0GKRu1yqY15NaYxuN9dX5O4Mw1Fx2cXOuBPz5f0UZALnxiWpL8pSBDlFEuDaxxYm9Vq5MimdeP5J2ivqubnf5BQUN1TMe58HHRFqvG58eNGvBI82uBmmJYNgv2eNTAMW8iQgdkQtF27Ifm1LydZVNrydiYPo.mxhThZl65FPca3lAiz0aLQm0k126BAWHHu4DvwfxaOVr7yO1tDNsbIyd.ZkJdm0_YPXPRhjKIWEMSFSP6R3pWXfXYm0f46gUUNPS8lpYdIOThgviJvc6GUUUB2R3Xpeythno5CCs0imQ1hudcGNnaXHYy3YUNi1mWzGx0LVcDeRJDidOsWTW3ctXkXmYkCPcsWjEIpGO4PR9cDK.dnWib.GdAZDLmR.vU0J4HpCY9ib_NaJepd_Ti4lEw0x6yF5MnCA4KM4kiQtNS1Vp_MLyiYqXveOpA85MIIqM0sD1huxBkZuhnJkVOhor6mWeSGh0caORWKChCU8jICzHHVfuQNWYSZ8RptfHJzEivOzeJEtnT5jv9I1fClciB2RFHwc2hVhr3LRpvTxWRPpacjGZgHwU7wegSFgmYKV7UC58FdW5hbeev1NFd7lhD0vLrSG008zaJcpnxGM8Zi0ZQV5LFSud88WwonRqGgTrZoi_lCfHnCe03zgAzfPEijyTuLeUcA0Ofon7162n5FJ2M0Fckn6E1RCV8NxXyGzlsAZ41NJw6Wt.ZRswmsNesKnb.XNYDS7wCsoPk5d4WaEgyBz.uaLvIKmP2A5oE1l8jZSjlDe8IXm4cbHDARrxj92R9nwDVG773sdQ7GFHHfSSMW1e.DPw_77lIe8xy67RJ3vyWuoHx3ZxtGkW_Qz8k9J2TudBgqs1XPJN18Vu4qm5bLYfRnOPYIxMnayBAwCbWD_eiRcCGcTYPw0nLhmg0mu.xvJz10B9.EEZ4ONxv_CWb69LGJQIiXVNC6H4E3cuJl6BdyYi8YXsnXejMBo3aAhfz44.gSJ9r6_ko0qzfmaz970qEtylKKvSN4zkxIh3I0Lj6f_0ixWPFB9HqFrpoxa8C4tyf4K8kkjY8SmmUnhDCWSePRW70bvvzhHJsx5eQI9ribihACuDh862UiaVRTcM0WPQW.NN8v3zAEirz1JzZHcSW4aAGiJXu3Z890m2FQsPDm5QSQL35QRcA_J3Rzusuk2jUhSXNizVWN9Gvq0W8Xg.ZPk.KGbhTPRN9hOdtAEBUe4TpKv32Zge45f7Tkd.KUOFDQ9UFdDaHIpu7sIDLDi4XTAe.uhfapPIX6ysPQ_pBE_fvgomCSryfEoyulLvBPWX9DNm.QIUj8kPSSyypig6PXhgzk2ctv578XmEoC7X.l3hmUNU5jngZ3VIBcYd74M10ZCYiGbR7EZfdkG7WIYijaGnDrNEqK3CKe7Y1k8Vn6A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f8528fcfc70a7d';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\/0783296541?__cf_chl_rt_tk=ustkTOf2DtigZto.E4hkUaicsPEaGZpvO4Xa1v11F6w-1739150906-1.0.1.1-b7Aklj_IoWcykEg68QbUVN2dXTpmkks2w66OkmVftLs" + 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