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-affpjyns2.mit-edu.top/post/6851903472

  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-affpjyns2.mit-edu.top",cType: 'managed',cRay: '9106f563fe85e5fb',cH: 'BSS59sIADFfDWDK.3TdicavlyVI1SRkyNXgEZqYFW88-1739304376-1.2.1.1-L5_lNevgeoA88R0m7M2as.7NlWYGv0t1ucEIDoHfZg8ea1V4L0._O2TACBURLJh_',cUPMDTk: "\/post\/6851903472?__cf_chl_tk=mCcI7lZdn3x56w3lBx.MyBljhgu0Xy7miKTl9M7Xj8g-1739304376-1.0.1.1-k.0MoaXDSKfWbBAJJI4GQ0okv4nHiCmj7toBpyB1i38",cFPWv: 'g',cITimeS: '1739304376',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6851903472?__cf_chl_f_tk=mCcI7lZdn3x56w3lBx.MyBljhgu0Xy7miKTl9M7Xj8g-1739304376-1.0.1.1-k.0MoaXDSKfWbBAJJI4GQ0okv4nHiCmj7toBpyB1i38",md: "A1pib9NoGI03WZbgWwCyuwkhLWq5k_Ly6SQFIT0jMHA-1739304376-1.2.1.1-O_.t9IBYdsym_GdRE1B57PdZO7rGUgU2zyGs5D.EcbK35kXplFfJcevUFvjHYnN5E9gKqcl31cq5uFkf7d.VWwb43mAUi8ew.W5jsp8GUvxB3vgFxBdtC0kKeZgyJJl8gnThWPuR5jK1__H0eVTlWoV2w.jqUHJFKSuD2uEiQHWO8YoG3DYl5aN2.NMZHn2hdkVOC2RcmAu20z3Kfn4xL4Cdp30l9lHpSgRIfolgCVxh0xduR5KoobY9qgiWAtxfOujqvJOIOEdiW4PtVjd5z.Xshxy3rj1ZzLTaOySMFJZfLYSS7FmnD0ecBR0HTEl7HeFggnjiRWPS.mjVMCBrfEklZ.q56guG4FHAMRg5JY4iHnnLCNvKqgrissUaVPwDqgUTV.iYk4t0z216JTPhucA_XzqzlBbkBz233gtXdYexALfYqZQGxkdeZLXI4b5ik_vAn3rIjDYZzwiF6lAfSSeI6DnCS.GyC3Qk0asscwlcK_g4dserP5Ty04id685zB7rmlr5347oQ5bM0vse7Sj.TBvBA2qXBjAADUajsNAr_tB8zPBuYpLQiP105NXx2.eTMwCMl8VmmYR0dxPC2N0xKHhKvcddm_qWCvBJ4Sx.aOzOvlvrl1zubfrBXldujwhWnv3PRAot6OrD.TvuDsWsRm4juu6tTlnNtuiONh8gkw2AgSoY9JeTcc7OmtnF9V3dcszA5oWNGc5IpwfteWnmxn46RKHKhJopswPyy0qqYQelYH5N6_csfZicvaeD2mlIwdfjT8WHW3SUDMhHcJaOnfz5MS1O_pC7QyRkPRfEfG2xQdrJd6k04PKLqiE5a6hwUyiWEx56jEjEnFnPIu8imE0vL1GOqQOfP99_oESufangerEE4Ljl2s4YIuHOOBeOEMYXXycdC3QbOKPvBe5GU5O3.vPZpMu.avK2fPnyBOHQeDkq0KsSEK.LFbTH1o7bqj4tVlJt70pyZbXYWex5DIkMLTDJSSJtAfcd68gMXzHqT.IW82dw2CyGTakLeUBlR1ABuwOGiSR9RzhquAA10j3xZqy0tiUemRY4Y20bpg8mty6TVevmcRr8Ind9Vr6EcRTHPtrQDRwvUt7Lpq_TgZ5s4ZLj5LGGUkp7HFTmjWE_RimSIbxkuTT1vfgHYwuDl5n60jUtUmo0lzmg4QV46np5uF9QOFQAVM6HNs9x6c..7oj6VB4LcxX7nUQwbvbd5FGGCS8olQQvZRbY4mZdDQ0fjwve8.kyH0_4UPv79QvCvuLNS8g7lJKk2Egfa.airuTLCYz7L7vbWIda4nszApmvIyRSRExPOd2RMERzXsA2kkVVRDmGIrAW6hoHobEiA19oeCaCabO6uN05hAnp.zkq001UM88iFofIHfzAOo.piezu6UKazNt0lLUbbOG1Xj4joL0Flei3dDApuu8tNFWwCzBSJbmcnedKa07R2Lp1V5mJyuz7dF1I0kHRvcgr8GaJE_gtkZB5wK9SFg7I0DtzwERoEPbmkOHnVmB9u9Ylfnar2lB3R1fNwhr4teJBhDY1d38dkyFtZULJSzAGIoAHSf1B0eV.HXS36JL16sxufarVzxTJu.6gaPIJvtPIsyCDODzc1dWrU_O6AGXchyTYFrWW5Zto05jAkvzJ2FHq.1q7nD0_eVVzjpwOL6c27oQhWI49WgYJdmMjCYUtNjm2njSDS2.OX1j1rcXX20SPHH_xcaHc6D1QSsbPx0KIsl8ofvnU7pPfROwePqQymjFFC.f43qaPmJEJyN6kM9o3ziZsAeE8ZWAuEcuOlNhu1p_WvO7TqzDIb0gIx5KxYHgqY5eXxvaoxsHUN2eMMc874wceOJC6rTjgbCcv6qBFZpdc2QypVpyzgqvQjvw30lT3W9ZanchvXMGh0Xe_KY5_K.zAUq8haP3PG_DHJVqlU5JcGXxO.XdeOUvvfIr3GhTDTYv9pv9DYspEQ4FZzOSFhDR.0zEVGtcXnCVoOhY2MIO4Zbsyeecp070gpXVaYLEqQoOyo6Cy6dTC9XAjvByKJz0waWLcfF79cRExdsSuP_LtBloMetXLMuhRnEyyU8RhXdnYS7qaEJsHHHL5cJgXLGsLNGmGsMC4hl8Tx86J5AMIC9vS8Vz7MIg17FbiUbxqyXK5SuvixVNH4HrivFgSTyKPU0x9DTqocKecFXL8LXZ87WgoLb2jXVBDUTk70TNWyZlmierZvwM79n4u_s6_B.W6raL9qSuP.G1Km",mdrd: "iSRKLzOewMl_ZeajngIWz03RDumwIhToSM0jtP1ddNo-1739304376-1.2.1.1-uAb2tVwh5HBMdI3R.FCDTu6ARaJBRrWmOY_Rwi7o7Z0mIZihtj7UtgNF.0XIR_3.pDRx4BeMo7Kc_1FgKgYKYklGNxOReQ8sLY2vfuWw4TAQQBakQNhVJGgovECitIOWRHS8LOqBfjBf46XESLU11Cam.r8LQXjFsdhc2MkJHnVRKcxdhwdD38rfVwOzUO4S5rddt3SzPDd0vG0KdAekNc3VmqwRiaulx_Fb76F12_h3dTubG_Mx2eN4V3UMq1Frxe8rw5fve7kWVzwhWsvubFWMR9qonCaOUD0F5mc5Hu5GgE14putiNXI5GK335l_ZNzkyroXIwWrwHoIGiHYgkg8IqXrWHgkO_M_KrGqQxmqiJL.oJ.kdVassizXjBfSMSPF4EoXEeW6AXPKpiywtzrG20CgFGf6DZEeP7NiWzx6nkxc1WhT_nz6HZ.oaR9z6DshTRcm8SiJFXFjTiB2CSQvaUw0utyu6w4fMGyvD9BxUlQK65A4ZZTzpeG.eGz2SsoIsE7nR0vyjtZR6zH9ca1l6FQ_7WoSP02Se275EDaRgk8RZdw9NH.m18FRkwy3qyHtzvI3KzZNpDc4Cb0KUsBB.yqMYyPFawjkfWFJ9cvAeAvpAN2lqpvpezWU8tBCNFBwqkNb4jZ3ZfV0.wKk.qCJ96EVHuB8.KXSzz41PMEIBAZn361u1QG7RgJ8cnuU1gvV.EJWdF0cXwIVCw_0UgOrSqTdMSCF4ihvlPoYaoaXVWB4xRBEWUWBg0OZvjwsiXiQfiKdjGCw.nkCZY2JqR0P9iISruZTOWd..dV.GK7OlEPENA.4Iv3HnGfLTJLMyCuTNcc6bCYdCGwKowTQLU2wl_J4D6R5kQ8K6PwaLuOYoGrqGklizZ7LwW9YGiwIBXYjEtu5LzjFZUZ9XE0xhf.9RAz2YkhNS219TcSdmU9URplYIF0nNAg93pDinLo4jgadKuNlQmNg.FG2HHS8Sl7yU9kNaG9TozD8HL6Wu1tyWxSE2NNCkoi7fRzDBcgrNqqmeTAOiDqq_m4itSY2qHYDU94eOn2MycElbuhKm.zgwbHbVw2QUYHwul89EL8fTt6zTHmSWn1nBr4XQ5wzYPnZEspOC4SunznRomzLH_sxKYffCSnlD9b4DW8ImIBYk_sQ0p6QQQ6rtuE1wT.81KTRHcRfN1.s.xIuxAw0AYyl.YWelWUN6Ur6BxxD6L9kOPVGoTrOa7iSxEBGd7yV6ntdpshWTjfptfkF1L_.n7xt5IYqjGmnZ00.DrF5DuTMsqALGs93ZPT_TmNCI0pyVC.ICO_f.ibPNjOVGdXQO9OJAzdOaGuRcEKfqSPVRGrV.qvS2C33HkK9jATd6MAJl4CmYJAD2mSgHjnpXnYTO.gT1K1e02t.DPcDQHNzFiy8p5JUVRQuWbChY0aRMHIUgrTUFtMMMj0gvGDq67CQGP9Lw6C._oT8cipFv77yr9tpcdmphQrOl6g4.FTf6TibO8CGi_7YTcQItqmVSnLeKugBlsKwUkZY3SaJmA_eMomZ4l3n8pPQ2KfQlPyJT8Kx_KHYO_8F7NmIO2fUrnvfYMPYmK1eYJwEtozkony8X_9yXOiHf8MlVU2rHqJoB.arc7AADsQg1xXh4G6_fcSVQV5yoKnZ6WUyqxF56cyUhbWO.TAZgiHvShQ_JrkbUaTKKBppGDh8D_kWheyA7joLsMP7qApfspqLExIMcn0RcZoISiGwOOFxMSlrVZ5NQJ8WLXqs4Aq3g_n53FVvfQf6Ego80IQv68TL.ac4QHMCdmbIsdLbdvwzGCjb7k.dnBiJJI2vvV5tijiuZmWhG_t3nlzM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9106f563fe85e5fb';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\/6851903472?__cf_chl_rt_tk=mCcI7lZdn3x56w3lBx.MyBljhgu0Xy7miKTl9M7Xj8g-1739304376-1.0.1.1-k.0MoaXDSKfWbBAJJI4GQ0okv4nHiCmj7toBpyB1i38" + 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