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-037794826166.mit-edu.top/post/4910238675

  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-037794826166.mit-edu.top",cType: 'managed',cRay: '91105a87cd34ef65',cH: 'scUEb5tS17P_RYOfMdISu3JsRSGmpMUa_lP2jXZb1zc-1739402891-1.2.1.1-2mxbDeQL8VJqLJ4aPFRnMcj2S9jT9dLJJe6ABi4tzNZS5oN_ZdnyxOu.AnnWgZWY',cUPMDTk: "\/post\/4910238675?__cf_chl_tk=3W7RWKTFau0Nbs9CR7C_4ZODag542DkZKGZK4X.XIX8-1739402891-1.0.1.1-XGtkAsH1TjbJ1Eu644xY33tMHUnqBFT5Yc2hDdsbJCM",cFPWv: 'b',cITimeS: '1739402891',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4910238675?__cf_chl_f_tk=3W7RWKTFau0Nbs9CR7C_4ZODag542DkZKGZK4X.XIX8-1739402891-1.0.1.1-XGtkAsH1TjbJ1Eu644xY33tMHUnqBFT5Yc2hDdsbJCM",md: ".eOo7S.khQgLkFHGwfMo.6e7Z02D2SfdhrZMFBUItX4-1739402891-1.2.1.1-o0jIRWKB5CceaE0XOzKU_mMGoCGmYHHKA4RfR4WgFV.QtN0VFbNLCTCKe_tVRpQQo5TWwiU14Zga_54.S96SRMUPyV_9gc1IGTRFaQqjGPh5VWg18sJJCyKNybEUb9cMznPXHIx3iZ1VOdNstN.hXklDqllEfeDPSZp5V3d4ahbUqHqA.wm31p_kuzES5v.siUKNQhbBiuF6wAZuamgClHtynQEsjGGWVqpTuZUSYRjhm_xXrUGFbUnu02wUmAbX7r8SnJnRCILzzqdXNvZRwsJL6USE.YVbl5y_luHzjALwwdozW2qR8wsArWmOlRRNqRB97zHB7Rn6VtvDZbJSU5Dw1U8yl9DYGEMd3OlMm0iGiZGD0RBcirIe2cC8_8R1k_S53aAXTYaC9dHd8LVIIiJIDIDfl3qzvMqhgZpMMX.yoOc9hhPCy.7aU3mxmGuPXo0TOU3OaWYazxd9Ddy.OdMEhcQBNlF5MuBMerj7bapn9VGM23gPmsYguCy0EFzRc8TrFiqMP1dshpohhSs1fmU_1t7PvYylmGLnImtVkbnBsdacwm2lZVtMafefVBiZiBSiiJ1Ki3IjWk0nrY9pyoicyzsxeaL6CAKFSOjuCE55uBSkBziYSpba24ZlkSB0HEHr25zYjUCmSyjZ8_FxZqJt_2_gAqVyM9HHQVSt6Wm0tbMaBfNTiLuqSPuwzoVNK.Y_J7EVC2J5zNi7_470PIHEmQ_5imAKJXtFdeEYROPwGjxlJIb2aSkWUNjm5kdDQblpLOgY3.4E.D.BAbI42I6fM5TZ.ox5cwnRMec.fRwuuD4.DN2rKF7w0Gm7bdCMTPHwjRX1O98Vm8dqnRnI87NG8pe578s93b9pzz4Dzh7VKEmj7RrYiij7Jf3EWH0yCGIv2MzUAcSS0gBNs4w0Tfzge27BjO.AEOjY3TikP_OB4._.niFSdTPT57DNkpaOvv.qnbwUkk8IznH2vsMtEddUeYvjawajBMAxnJUGhJ4VjNomh.zrdx8d3mhvF4gnb6dV1YrJXKxRR2XjVL8bZpTZwQ2hhTTC7zaoe1qYfYbNUFoKCOKHj9QGfDo.ZGxcLmYDKnBsQxvAvWKy3miqS81M_IVTYa23nZd6VeS1Qe2Bs2xpXppnmjhluQj4xOJ6i9KIuOHwOPALGTtBJVEjYfSvrsc4maMBFmfEX8yR3OcI9Ey59V_d106BTxS.Kwd1FTBe8HYFUpdpvaK1ZxT5i7VlRbZfygzqf8CySiVI9CBzTVp_ArjiUqkHYbVXpH1SLSq.d9le_XNXRC.x1RaF3VsUfkARFEWz1L4chfgzEH2wLgwVTUuEvrM_EQPB9Tz9eQ899r_AaTk7ey_jzN_h5amh9R2ct7j3_YdQn5mVzLgL_9Rhta1JqTigHbJEay3aU5Vrz4EbLCxO0E3A3NyutCQulM0iphbBy4rvjiZ70QLgLj42xV2Nf60TgyutRk07Mw.6ek8IIdRlFM7MaWhat3ggWV12cYErZN6euQzk1_3S9fLImPlBd.l.PzfXaGO3xp3AJausa145P.LGn5KQvcqxv1X3q9gcEakquad2mIL74gJ9S57VtNy5Zi0wetpt4fGqmax0qwG_iMzjfgB83x9.GnlNxU9JyuGniXgSF1ztMb3hs2NtoxH571UQDuUCNqY0FU7YiOmuVdgNC.C9ssncQfL1.ZDbe8tIQpaiRmjrEx4znJwz1OJuTf1kcIs54s.MjXCy_MsFCcaJDzCjppdNyn58i8xwdnCdw5Vxq9IVLE4_a_fy_z84_vgZ3rW31W1UcfNFYfaSOjqHRS9nkFZLv9eeuPTantrJ4F_V3rn.G8tEsINgPAsLvnhbiUia1qj1qHrS.v0vgaQPCtL4td5nqiOuuCN7TbESrOhqmR5WtQIUQ3J_LeDXb1Zk5iWAcnEqAu1UrVuRhqf7vZo9DZd_peH8FYIPrB8CcVA5pChu7sRZVqqbIIRWFbvST3_QrSrvmwPgNz1IItiMPNFGTu_gh._gdYPc3cypsTGDK4Z90QIh7zcCUxIFZ5tbq0hci.kK0QMm.7xK.Ys_sDzHVtTtc9XaFBc3l881gxffXyGqB.Rpf7g5rRW53NKfqjv2CNgZWJy5RlW5jQFCRH2WEuu98YgYh8vp9XbpatCRu9CTl0p2s2j.XyetY8qWdxWOaoloU6bVfvLW7hu0IQycluaHJPKxLP2ldFtOdOoYU_vzNHJtqF04oFoiWf_54VcQ",mdrd: "HzMH24sAHJPM9mJ_HmJze4CR8LTaYF5z5vw.VtmLFDs-1739402891-1.2.1.1-Vd6nPOmv1ZxHt3a83LqS8phdD.RHLMArRT2u0pvM5z6XlQKbUWUHy2jLqfy2aTr0EBvlDZaz4KZTbGeYJuBc858CofkRbvxsn6jpzrjqwCYt1X3DwxNDAtJQFdRBNpW.fXO6dHg8LGfWGW2NIMuLOsxWKb6yFDbdGRL3zHQXVQO22LwBc2CRTKKbVrqwii6IaDLMiX71h26cRzZRXkk9WeJfbPNFzGkVlVhi4XCm15gDeBC3yGyU7tqNmq.kTGoOS754QEeAUSO4lwb5pEJ8VLodC9wE4Xb9Lmu2oqNgRrH.NcuDCm0MRQ1BzwTavDBbMMFt982BLJ6vvO3YRtCVI4rggwpLwP086.jxI_HnYTufloN5AxUvnlExA_Z2PkB9iTZuEJnO057vfYP6iDeTXUnfwXAC8YatBOuUMSst0THYiEm.ippmcLKwrGrq1eANVV2QC7f2gJE.305DP3.Ct1DtYGLQlZWm5jLGl7JGbyjm7mnTdf0qqL2f1i2phsFuFrs_mGVu3fgjTVPY0m4eFjttdMV7822jZUGvtUOUvd2_nTttma7k4rfYgVtZOumSpmzkGtOk5xCrYaDyl0nmNG5o0LR8ZHhnATJW4zuzH9n8QElSIg7vKob0HGMlPxAQ2LiOcQjydGvI.2VAHsYtyCckL.v_ECVOEP4zqbEf5t78areXgXLzwiz4xRZbq3pUH5UdiKAZlC4lNtNn3g32RQMSFFZGDOlv6YvYgS3Jw0WVhQpYM5GVGJNLo5ohDr0yUg3ZALktAzKzYD.EJ8lj3G2RNsa4BNazTGeEJGuQFaG1zm3PiOw_yYIYWqArXC7O2bQNMEIcsfmopuYZUjR8I.uorr0AvHrt3MSYA2ZTpbFUN.2518Rdnj.UpXAWnfMYCh.ieWY2lyk.OkA0jJwuqmQuKQqgBQfbrQrHyr43lxRZ4jgWN66SZJoq.NANAgd4tyeH3sf6MXFMbH2rnvSp1Szcts8m0p2idH1IOuQQebBMd73t5uXfZyVnNoJCCDh0g8ggujpxCFDqkLFnkhwUjTwGfb14VlRzNkj_y8seJpuGcp.YkhxfP4FIYOGUirrBkEw.ESwphCMXKJQ6xgSNrR5J8hu1vz_z8qST_Z8al8xxC8e1PDzxBcrnpeMeI.XJRXo6VPwPdtBoNzYCxdzvzFF31Rek0ERVjazUfgmzV7FclY0X2.I3zRlDqx5oUf1X3bpM8Z4Z5g7wMj.uJNWoGZOutr_4k6u_AT_IvZawcetsP7CkgQmbgcfpHGT2Lh1VFKgOGno3abmPhBgDoq3zBbB6ha3sAyBYz7K.JhVSKcFzj7ly1vZQMMZf9tXzcYdgEk0NriaaYh_vvvNO5lbYQmvVJgYpK_NXJjvkbdyayF0TbaJK_6fjdpJwW7o4wgwT39uBeThsaNBQ0CMrr4iBmIQGmhUUkgxvniHy9laDXv8rAtnwhkcyXRrxq.8LpK2oGbBUd28oMO0oZGk3jBxO_a.5l62N4CtqEnMe0hlGmcvCKiIEvI3vmAIahKuWaH.YrgaGlQW_ykkzCFD01HQkmn9UDUpgkn8RRzIJiqdejLBmpQmdM5kZwhTZEmNl2PYBPmcOtnpfgHO9E.0k4A3YVWyx8V5_S_NwSlp7Eq1MPCOmGk9miQdWQbYJKvOA9YTiqadcDvIxz7JcuRCO.4CpJb3G5Pj4hRW1L3NWlfUzGhdoz.GiJib3TKmiVT8Absm3AOQtdIz_O.vkzTFn7CbNvfvnffOe7bWOaEmYaxpqG_YVBPOKVwQ_0oQvw9CbHE2zrWt0JAcySVAloo9q_kZ78g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91105a87cd34ef65';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\/4910238675?__cf_chl_rt_tk=3W7RWKTFau0Nbs9CR7C_4ZODag542DkZKGZK4X.XIX8-1739402891-1.0.1.1-XGtkAsH1TjbJ1Eu644xY33tMHUnqBFT5Yc2hDdsbJCM" + 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