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-afffqez5v.mit-edu.top/post/3570492681

  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-afffqez5v.mit-edu.top",cType: 'managed',cRay: '90f7c1e6bdd33937',cH: 'AOXm8VkZCy4EkqcMeEZ0_FaYjdBGxoNnp3lSnIdNbqU-1739144981-1.2.1.1-lA5YzY26hFTIFRo4WnaGUm3dOqki4vBQOmMZO.3noBUTOJ6wNu9p5qZywLtGeQ5k',cUPMDTk: "\/post\/3570492681?__cf_chl_tk=_EQXvGG3b1kRqJPzEiUrnNptRVoAazu.TlGlQ1X5bt8-1739144981-1.0.1.1-dy1D5T0l8N2.DXOD78SMNsI9s.uoGyULEF8Nkvh38dI",cFPWv: 'g',cITimeS: '1739144981',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3570492681?__cf_chl_f_tk=_EQXvGG3b1kRqJPzEiUrnNptRVoAazu.TlGlQ1X5bt8-1739144981-1.0.1.1-dy1D5T0l8N2.DXOD78SMNsI9s.uoGyULEF8Nkvh38dI",md: "k9T5MvX5sJ3J7jWJt_veFnzzhxdhvgPq.dKd5UUMPEU-1739144981-1.2.1.1-.PWsquLcRizsMH0Ui4HOCtVIOaz1sqeeyK9m.IRfGMnNcMvKwLBLeb5IGQv5JMrSnMJsiJdWmvq3wNsJU_RsFaCBbZdORy0_zj21CBR7dgU2E8bRiWjan042ykKdVSDQ40wWD7F.RorP2MkQ1TFhnkzDoIyIzJepU.r9KxfnvZS8YOOBfxENbyn8ATX8pyQO3V6adDBUhij_K6.n8ojMNWQUGdQPgJQmCRt9ZPZUHrou1jwsDtVXbHLlQUVoG_HzIaSss2JK5g1CA.AhjQv9osMZjW6yVp.IWylD.1CFLwSlkEwTjBdXwllOzN4pLsqTcc60htJ9Xy98CHgIkn5Gk_FiDB_kcEFOEwOYt4SR1qTY.z.tNoMnPJDUyKHn14eokWTYa_J24iksccixhHwqaeCBidqtysuB5BJp9bZrTNbsqBv..tcIXlh5Tld8nzvtnUqIAqd8OHiU7ugW8W15FGnX4lS7pyBx7iM75cCkSL6vFP6xTNBpfyG0EMJNRBJ6_pPFGeINTwl3UCyl4cqYvyfHM0pQI0wpF7yiPNuVogjl0hfMUVF6UpWiB6FhiuD_8u4KCRLvIQ8t4o8s15NilbARcB0AcfFq10k0Dodn9j9QEX3NhHblrbwvJqtTdTdJXLub4dwq5lyhPsanEkzIDkrmNGJdDHIkFN15piiPFEbFz6LQzX2q8VWWE1KEI0O4Cinhj_mZpAlv28LwlGfRIE2f9fXm_dUgsFEMBN4OgFXqOo6c4TLgtWptgphvIloFicfaTuRIvRE_kMhHCIZ1d5EpXmGqDuOtyXtcMc5mgTuPocwXv_Ous.r1ATgQyTVkjFsJNI9oim_eAYBi.XC6mBqCvyhCJXVsWtnWiKf1L2YWvog1bLkLvwScmytpeZgAXotpnh7bYxwmYNSAX6CX5T.BjMLcUFFm5sKwjy5cD6Yc5ofISGVfW1DACFWWYq5fb0IvAYv_q_zcr4ENnWb8Q.95ae7v56vWA8UUToFA9VoAxyGJcJL.Vq4Lj4JHgofezi3qpGJNV2tOqM7gp6xkFnRZ7B_b.YXudkQSbwmTIri2Tb31d.1pHa1RIcer3NsPLnYOXUJH0iAGYsXyK1A4vI2sWOAZpQM1KMiXugLz4GXdvlhm1tAqLyAP0dpx7wQZAkunIN7eGPNHZ.YuDpcS5jn20Bl1P71cNsOJWIKo4mKAyWL.UEK2zkhSg76xFyYEjb8SDZprRWToQkGN8EdsfFyU6vrMN4pFofCPojvtiAFo8yP7t6zO5Zn5u_LzuPaVdTnmiA7URw9kMurc9J4B.QrXvIcYQqq3XDA3krKtMMhhIh2oDClkXj365NPlc.hk4VoC5DOHcYbCXql3sgADYVIleMev3BFP_ebPcEZiGbCHlMjyeo8pwEnPmOmq8bATBMhfnO83TM3l8JtShMYTbzhypvM3BHzIIvwxuYDmAHp2FYub4vYzXqQgwRtztob_MGpFJzihgJLdtsFvmKypDgRboJk2p_I86hqjZZEm.ZpM0qRmsX3rgC96reyvkT8qMLrMng1lPgegvamMBnUf0L2AEI9Pm9Ggfu2v8ffghG0DuowN0TuRdULrg2xCeVb5uq.Yz88.vmHsFD2XHtug9BTcjseYEwLiBRAwFujYfpoE9.TXl3tFhxMMf_hDJZ.CKVnVmIq9tH8V7g26Qdus9ed3GH_lU7ZZY6Cqu38m.M_bWZjSk.V7BOlp.ouiaioLl98eIn12k8axImdHyULLFY5SBmr7piPenxzXvo06JwyUXcTdfjZwI4qvdHrnCjcVvacq.yFPvzohHzddysiOslyk.irlKXxAVDz4uYciGMEL4oZndTsxRBVv3y.66p.7e1nr7MUcveWJQu2BuGEpbHDdh9TSJQNH092L7vMnWuP5rOhQikcggSjoaKTWe4GGZSSosgrO05rpwfqh7AqVPS9LkC3KHN.In1nNmjD2xT5ssbFRevRRtya44S8AVYIbx3Ch9IywJ1HXiN.lvOfBailPMF8PW98OvC5_017yZjTX_Kr65zVKwTMfe8FmCzPk393Z.Bkfk67zsI_KnMebsj6h6wFh0K3fp19T49_SxGi4KtHfpSDS4sqrEoXctt7xsG9lezb0Mxyy8J5RRmpmXppK1nUQnuo4izcIAqcBlUSWBIHPuVxUf4GUFf8wiZ9yJCEV8AMMo_ruCHMcjRHuGDB27p6lt32qvTjp5TUDKLil.cCpf0ryPlh9ssA9T5l6",mdrd: "2eLw8t.JF7XdogOxrP4.RinqzcKn8AopvWRuewUbO1M-1739144981-1.2.1.1-TAcp_8ZwdCpBKzqMO4diIxyVINzuBC_uSsOk9KAtXup.cIXeClfatkibqfaOg0raL4QJ1YpWr9GRGdbzVoAhA1ck8BJcBUVKfnEoipHtU.w4Tu3oyCn0om6QyCHgE7JlxDaOc3430wOR.AZ2H9fnl5WgHNpgAl5WAcQIcJYTkLOFdR3OvJSncI6dklxAqDH7BR._excgIifk4qom4JYHuHPtNpamxLSpJtMZp4WF_YsvPXIz8V_1W4sExebURi7Z7weQZH08lsOGlbq3W0xXV5dSsgD7_l9J3pB244kpEs86mdznENdBIfqWsEjD6MqneyQarkIUPEgMQw.5Yw3NuaIWJkg2u2GO.tbvF26Uks.wL.UGpate6DXp9wXkSZ69LXU8JPuPJXv_EXkwGb_0xUd9hMTkkcpkWnqwnW45tQteIU29AAmtHlF45uQslbEW1I1D1IzwqYG20eOvNUv2rwVuMBOjy9oIN_ETA7F_8E0ePUwknZSbQ9Hv_A5Bez.yGYDMuGxCRy8hdSJMhwJe4REgPYnP4qDXgnWtnrw_a7RfCuNavmNQMVJX79MPCd700ibZSUq3P0ze9uoe7rZGbEY.I7qOvJlXYWe2fgD5OAf6nEGcbJBwr0vdtDb02Am1blAjSwzbu4hdz0JgeGsLc2AGxgBNjk_bJysBXN9zH5xC6Ra9iEV6ldGSyrCaj5BjB4KJzKYHsoRfFVCtXTbZvN9WLxk6eZUqAFltV7xTIwl399obgqrTwoMlV1Qv6kzJvPc22gfIFM95t_Hdwgm_wkA6RnTTQAiL29lLBzGwalIGT4euMoGO_qmx0kFRLEfTlqm6FmjSSjaK7sXaLaZaJgus_vzs4McZPJ9rZUxVS.pigWglZcUMa64TcgNmbCAU_taGWKa6PxKHWbHSPFTxUAtm4eGzDV4qDOlvKxhW4N.TQjrEfUobwwluwUK4rgFJClqs4PIYXbXez_SlXIx7Qj5yHVUlEE8TRpwq9XO.7TeJdjbgiwYLP9QgaFkWROPJ0xVDWtKHgBwC7yHTk2lfwLs3nG8b4DYxD2QM3lLyNKIGu6J5e0bgqinmTAiGRdNoOETfrW8ZDpP4U_0Hd1dMsrCqR_kUGt1gmteRtlbRoZmQYj4biCU2xRNnnGUszchz3.Vo4i0RqayBJivLnKWx_DzrFEQLHaJHoGq.Vr45fhbZOWmJxP5DfOl2g2_OsWedQ.42R2BTfboTkgafprKUKDpYXIwvoa32SXO8QbgD1NMPMk0.rOEXHz0HPhFdE2spWK9Cg.HZNywYFb9jtfmoeHwJJzoI03TRCicjTdJuEApmaBgruBru7emuFKFJH6oUMVBTPJPLXfkEeje88L8tRHfOX4se977CPOhZP_e67AR95e1iPRCHaalK0.VyEYDnSYKs1_C0MvM7FFML3yBqvOn1c6.0URUl9N9_5yumI7.RTCgSE.afWIMFGbdkCre0.dyJKnG4.23bZziJLhL_EqpPbWPPxprt6YY4RJf6ZR0NsgnnsOGrgiIs.P3o4Y7xaUHpPDx3dLA30O6I9IJyiMvxuMchctvYnLrSRHRM.uwEOk3hDppf5pETLo_m8CfawbVrVtys.xQui.aURJcFAnSXMW6ru8vK0z1WkrSkc8KoQkDVGGtDBhgByViXH1AALtaQDpqWF1QvJd75twIqCSnmX0rTS9ph9IpUfJL23eFaCnORcr39sdod84YY.TJNjXZPwbFiiUqymh0FQ2qc5KAEYWsgi.EV_URL0kxHPNvQ5thxRf.FMUde.rM11Belr2alayi3bKobUm9bix.p7sOF5q1f1OaBHsuVa5VRuos"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7c1e6bdd33937';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\/3570492681?__cf_chl_rt_tk=_EQXvGG3b1kRqJPzEiUrnNptRVoAazu.TlGlQ1X5bt8-1739144981-1.0.1.1-dy1D5T0l8N2.DXOD78SMNsI9s.uoGyULEF8Nkvh38dI" + 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