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-809737489071.mit-edu.top/post/4356180792

  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-809737489071.mit-edu.top",cType: 'managed',cRay: '90f3a6273dda0a81',cH: 'PedsrmyIuCQg.723hPAY4fuC_PV1v22scL2KDyPlNTM-1739101901-1.2.1.1-cOXiFe6fToz5RGS2p5._yfYtLDgakkBq9Ap0Eqsng6E2_SKfENOQb3r16v8hVcbb',cUPMDTk: "\/post\/4356180792?__cf_chl_tk=_Qu93nmAPz34nMVuTP.LmDHs879Rw3HsKN8GybK..Rc-1739101901-1.0.1.1-euMrJO_uiQxeH1.lxXHB8ZQ.WqMKEWP2t2YaeF6OS0U",cFPWv: 'g',cITimeS: '1739101901',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4356180792?__cf_chl_f_tk=_Qu93nmAPz34nMVuTP.LmDHs879Rw3HsKN8GybK..Rc-1739101901-1.0.1.1-euMrJO_uiQxeH1.lxXHB8ZQ.WqMKEWP2t2YaeF6OS0U",md: "PvpOoY7j8BnH0HPiYlt6tGpnb4Q.urfNxn7Tjdd.tXs-1739101901-1.2.1.1-HZFaUuORXy3QJlyoO.qY5fyj.ZQTOAWCQMdON1wzR.BxOJnYsPzktvnsE7JDfOlB45VP271cJeOkgQT2O6q08IpvM8CTzMqONCevdgmhE6dV.uQGUf6aBYy9MukTZm.wzUqdSkFigMg31qfuLvnlHi8KY.ZOlYewzfvN_LeAkZxbZlng9S80VuCuYlyh_DMvSVyeiMWjVkcb6aheJIfMIB7xD2UCgxrFoXSZlBLFy5FOVB3DUEg8NRgKwwsUCxj0QVmtmYM586Qru8MO7G4TrR4uhC5XNemaxViw_eUV7zvTBKOkFzP_DP36Dup2LDlHaBJKtAoP598oJnbSe20tlOFgYPZZHgbigt7MHarlQMUSWpvDLtdYqcSXGuGMlMmHVPJS7vpXCSDcAUjaaN2SpMprJhPaZ.wIdYFv6Sqc6dh5863ea6oT58Ev_.0.6RMTJZwGj.ysKC0Xz37DIhi4ByFwskjscZiMR1KYdHdANx46VByCCX5xJ030J_ZPgjhKziRy0th1GQPXKwBe5VFvRnEcCKHiQzsjw.KTdc3AU2tjbpY2avAHhXmJO8TzCk3jV9_Q302nDjrS8uodh2.210VPKK.bMwl_00yL7sEhIeF9qw2K8.CdM7xs3ZX_SSbuTXjnHD_mDhQrBUHTqHAlo93TvdjqsQka3ZsqvFCvhx.QUaKldmsJkT4IlnzAQrAru7imq9HNA2jehLRoKrGIxKxEzwaw1M1QqrBamS8TXF64WNdYpakiAURu2mYMk.exDiT0246ojmSd74xpJOcArfoCESRoHcL14XOOylQ0nc_CPB3Xa14ja88qn7B6k1ZQy125xiBCj9sGAQmnvxxISFT9a_wFAupdj0KRbzDaBzkohzM89Fjnyj0UzyfyV_lhZpCFFuL6WB7jMFWSsdE8z8rvsWR94eJDhOGz_08Hc3FCItolwgC7LTk3_OaomJ6hlc4iNjfZr5sfV9IUNPY7.etRLSAX4OQzTtOVfC4cbY0u0FXhnqZmxNYAdZrLQLv8umspezvhIN9W8E2AX6Qzg4klQrTIIiabEPQj27UBz6dgE8UgelnE4PX6zx5rH7BoT2dyo_VoUB8D3k2CXnGv4GyywFwDHDC8fl_MESi8Lfto.jlLtnMap6JjfVFoiFD5VwUBg8ONymgCy0KTntnfLdB7gB8LvkLx6hiqqfU.cv.i64o_ipDXUV7V2uF3aZtkq0.KlpvhOeX9iK8XHFrn8gljsGP.Q67KOdQETPds__10rlrwIJbZ.GnlZIVkmM36OkJOoy3FhRf6rFfoXKbwp9.M5MVsJStNhW6ZDZVvVk8RQksCutzg7J5tfU_g9uV1l3DjtK.B8flG5DSQ7bhtK_pqz5Jb.4mleRFVPkoIxR3KvpI6ijgBqzTOAQWxcLE8nnO.1Ac6O7RTJtzt_XtlIZ4wDIhqPs.BBhi.XLXefr2glMpCVfn7R7lGPVkMXc9B9H33fKoy26e5JArrrs14c4lHz87vP9UH0eDyzPSw6vlLNxbjMwMvfo5IcNsXYFi0zjXC6tm8Lv4MQI_XpLmM.tM_YX4cM2dgQJjJqdet8qjzvfxxCj0RFSmCVD94vdUQNhISpE3eUk_GGzQdiuqC2Iwz5h8oJoUupIA2159LKhmprL2j6OeFt4vOc1askmUmzelnmhFI9lxtbwJGPYoTIRzv5VANLluDGyNXOFUkWGNpDzGmmUD30iPmDUFKZL5s7Db8fCDKmPe4EaHsikr2LQO23Cu3pkBx9FDkJ_IcmIxOl1SRfpXToT6mS34WIbiDfduVLWpmqx6nK2X1oa4dToIHL0DWMbgr60JBYKia.97W2Ev8hwlETDnFTv0sQ1SeqcCnp8Rf.WHii31MDkfildrsJO_t9f4AfbsAmuOX1NydQC6WuaClBND2kxbVWK4.upFwYdWBdC2k0ve9L93COah5op1OLkQK4XiMtU7q4mXQsAcCP_zEQUvW6ebC9lsAZvWDKqg0O0NX4bl92kV5.mw_7ceT.n9pGirhkx3UjFgPJcQjKXAzcUQlqM.91dSytbFhyi3tnVX8r6j0m2Ll7cvX1xZHAomOMN5uXnXiXrTwRPgam1e8KeyezSS9Vwdz7Vg8ugE1DgxCrNuDCPl1kkDE69U6S9yJntMeP2yImKmYd4cOBkV.Ohx7GZhTFFc1cWzrpA4lzCBgasKJ9RiPSWTPYDzNuuPZE2swrdvQvQRc3hBFb5Q1KRM1W263.x8a",mdrd: "2xIEcdhWcntmht6bVKCa_d60_uCFbh1FEBHKH4lYi5E-1739101901-1.2.1.1-cvJfmeO_3JnYlQrnCU2scPxEx7nI4BSYyaqNsDzqa_lwHaN6Oy09y4r1Sk0sItpP9f0HqPOOU72HzGI6T8niEHwHTMtyliJMX0zU1NBNSWXFE.ro5lm_iy.tkw86pFVigdhrTSMwaSKiIjTxq8M._u_0I0.QZHcUWn2z6cK.bkZKH.4plqGMJ4sCrtBA9QCUKpqEYfrFhs5pp8phl5oG8Ok1BS2iWsv8VR3cgtICyvhEQOblA2vUqYm9dQeHSovpBgGoySspFZ8Y1GxHCUXotukCEtgRXe6kEvdgcb9FItZ.bOI4XSkLecrLTpHYXu_JwHTUpxF2bFeOqQ51MGiJoQOWFpj8NfT4HJl2CFlYikN3QoSHzPXyb7563UOZMmstw_oV_FklddeJHa6Sg1D6RlQgonN7AM6r3tUBxokEXiatCHoWVQ7H9k37OZxEPSjBXLyi6bHtpuX8IAnUe8lZmj06TXyH9TUF6gBQt1dnfTdq73xAfV_JcnxNQRnoFvBTzwYoIlowOD9nefvLvAmJtNl3zSZXDyT4FGobVu7YcvsNvCqK_2e2T21Z82cU4P45OPe_cRVSbFjyef5PZqflempCGYifWEcHYt9AvyFZbY1s_X8pw20sYc76.h9d5hIuNvgNXY6OOcKcmLwdU.D.ylYu3Ykom0XggJRPKnWYVoGraaV3f3tptWi0B8kkzegVlrCLjgc.D_3oPhymmU9N1KFpxE.c6CPnlxcG7MlXiDzsNZrHNaPhPwyU.xwgm0gcGL.lZNGemBlFc2JdrOtwTEQOv7gylfSDlySbAbAqnoGkV7Z8aLU0KNAWP8WK05xTWh1bc4jgDhY_s7hmA2Z2alra6y4WBfhqQdbwSGHpmVRUm8Gj.2lUpF7DIDUa76vo54Byew2f1LYdUmfXOMy_oDbwctv4tq4c.5Ws1mkkxJSwIw9OeTbdWIFrn9qQ0yXuYJp46Y0No6.FihKDDxi7e18SnYh8KQdTuddgos0S9VYh5DHseW534vysClPP82Xx3zgtgh6W1E3BADzYVdvTmPnDU1kGVQeD5oxLb3eNCf5AGPbQus70YOPU5iiwK7i89qLuOPVcdxhdrIxZ3CYwKz6ZnyGj_yZ9968_QUvWLbTTLcjOJSuFT6nbsHSmcWYAHrJ.0mipg03iUeaFaIAjZGX5cdk5qLpbAQOccI1RnzoI7mbQh.yBfW1t5Ue1FrYcb_fOSTps_H6Tl4NYTmKJXH46QcvpQ43zjPRl4O6JUuV5XujGSYz0bQeeAnfxJ.8nZfd7dmt9MnhcjF.B3L2sSiG11qGUnyu7JzlSjDx0PIR642VwO4XF18H5LYrKImO1BsKdiAiu4cpgrz1M5nDUCQvWbCqWMqbPDrho8f50AfL_PC3_jTD.taHl9Uf81pBS1e4Z37rvaiKE9.Kq9r9z0N6EaiCw9uynNrPKd7xQrDxA8rlCskc4jZmF3oAExw85bDArSG4V2fRDUsz8lgjCdS_NpU8W79mX09PUshNTKh3WMDKs1aGwXNEORJiuAQQCSdIV5RakqvxgJC5NNY3Rbzsibyo97X0qpVKG7iteQZjo8QUX2hj0rRjTbSP0wKR91Llw1vdKV.9SdzmICsKcYc1oZtttBjGrCd7gIKRi3hLCW5D03MICi9Pqapg5k5529yK.xAez_yljvQ44xVwWFu1utbxeW8NRLFS21eTjqqQWdYGGVlQlFpTW33nczvJQLTa8qHpAlbKBYF01ArBXziDoiMBI7eHJf_gLfHYwrlOZBPESYLY.9aqM84rVAm2shTXcNQy3GD1yEYSJcD_OYvM3PMihWGUn9u7h2qN8f3w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3a6273dda0a81';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\/4356180792?__cf_chl_rt_tk=_Qu93nmAPz34nMVuTP.LmDHs879Rw3HsKN8GybK..Rc-1739101901-1.0.1.1-euMrJO_uiQxeH1.lxXHB8ZQ.WqMKEWP2t2YaeF6OS0U" + 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