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-617935815084.mit-edu.top/post/1486529370

  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-617935815084.mit-edu.top",cType: 'managed',cRay: '90f4c4ed1807822c',cH: 'AoA5GwS0Tnfw.qbdFY0WXRv7fr5McQNzKk1PSyOFJkQ-1739113648-1.2.1.1-m.T_Uukx4dS_k3PSFUSTuiyFOfYGZTTIndkGA1YFBEhCIYMFcDfoLN9cLOVv9aim',cUPMDTk: "\/post\/1486529370?__cf_chl_tk=pjwutWPslN9L1GeDa3AMZ0sJ_Ty6dJj2qH3Ut_xS6n4-1739113648-1.0.1.1-WJDL.L4AW19hX4Y9A_0dUIO_tlFt8sKtNdVb7SKG3n0",cFPWv: 'g',cITimeS: '1739113648',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1486529370?__cf_chl_f_tk=pjwutWPslN9L1GeDa3AMZ0sJ_Ty6dJj2qH3Ut_xS6n4-1739113648-1.0.1.1-WJDL.L4AW19hX4Y9A_0dUIO_tlFt8sKtNdVb7SKG3n0",md: "aDOPukJJkxHqRJyuMSAdITZrd_GMx0D0MKzS2LSQt7k-1739113648-1.2.1.1-ddSX4MG1NVBqwfUD_37ERvwWOjq9IKvZRlSikykWBrHBzQtav.JYUVZfFS3qbKLX5Eeu8Os912s3p9997Xt_.KUHfw4o2BPVRhjyELEZ9nXovxGtipA3wVVCJ_iVIv6mJ5FBA.wOvEmiHfuEIApndQ9JNTjJROfnOz68UnMTW9sUfQW9TROV7xBIItEo3Iud1_zEDak.WowXyiX0CLVbnirqJUbxQOdvrEMSStSOVfhLXbytLFuJDV77LCbQZ1wGsmDYvKxLaB3VFKfWK3x80UhV2TwptP5X_wFAb1nBdbnT_CpFKSpSF1dvfCAdzQ18RgDYItUfbdrJ7X0rT7Hrh2FyQ5EN9fByuAJzErxqEFWOYasAn7kzuK4_c4cclWLDn0XeZNRpr9.KFfi9YKZTL2cEySRURzBYctFL.GXbPiNytxEO2z1XY9EYl2d0R_di1pOL4X5Lr6hlsn1lQ1ZNA8EnYomY8o4zuTcvEtWnwPiUat_7dWZ6rJntFL0nh4_lcEB0HcVwECzIMo6sp3Ly1zqImGGVf8jMH2pqQno2u7rkHavYAR_cy__NVZaolcEBoqYHfr1JCZhiPw2xVv6irswhAshjyqDgIX8v9hBDOeMCkYZJo8pBx9Vc7OZ0BTPUufL0iPtVDBCS8qG58eRMloKQXI2SU4zFT4xph8TVyDRyQsvCeDvYmsp_EeHL6KO._yYuBaPpKqDTcIga5G2zdUwd9jHE6BD2RgCZ1C0O6wDKPMn9YYOhUJfdJMP1l5JFYEcPCS2LrdHv.jPJf8H.hD_raMnlLj0V0PPyH8ZwztQ9.4sdynGWMHM9hgd6L9Do0ySavtEZzUHGoYjCTIUjhQVs73jViU_XAaqcRUiaY0LH1H9Lys9WPMf_wTBuD1gHJq1.Tclvnzg33sPBsdc2knf0ylD.ldCW141tVayyxO2jtzfjnRIjtZjvOVog5EId4NruhFVbbgWulZWWCEoacwortbx0NWBirfU7I.lmfTrI2fqapszznzRGoSxzbYOIrmpjYO.e2uaUJ7wM6GGV1_j02sAuIcwbzjyMXdmsgQDMKXBlezyaD4WpWaO0cW4riH2cNQYd8ARjuZZASyVba_py2E1hMV1Fxs1aze.wLfnxnDUIefEoM5ZxC3.o59n33k.N2UWW5VX6d82w4JKZqF65Y7Vklu0w46BsAfblUwZ383HlH.__SW1mlfG4xNY_JI70XBOn79TatlvFH8EEA31MBp9sr0BUj_JD77AZH.70uthz.3NVCT7bQ_.0Z2GBNnJLWRDgJsvrVHnLahq3MhDMubpl.L10n_H_yc1Xdw3.lg.O7nkHX5NUaiEuKvmpbr26EWYwpQfcT71fHyVLSDKPxjm8XeOzW0x95pYc.1K..2az.tlCcrzQp3Lydl8vn2FRTVAwIriY3FBePbaZdj7TwTqZPgKgZ0BQlAOkif9yH9OaVcUmJQQ0NLb6xJ5df9VYoaQLNoiPbByDKyybowmf9aDGpi410PkacySaKZRDLh9hAeFa_G98zPrc1Ptrgv42rNIPQUdk.9wnFEpx5TtmYsm5cA_DNR8j_vVZ3UoDErDENWfRg9Eac8.77NzogMWJUth_t_TWxMcAV45VeG2jOs5fve0y6sLCJVsBkq9hP9_hRARowAH5sW260qUa.CRJQHUznrjstRqsz7F48zVWnQYpkXDCp1vceCvv.UoCD0EOqefOK3kKnHaxNcz1Oh6dDVF6kN4dAW3xqU_PqkbNRRvdYt2yu3t3sXCjvBwUQ0Xjw8eikB_q0ZUECFgYovI8wl5MN9ReVNfZX_UUHRVL0MBF6lEan9I1dkM25dREZaP_.3KDz1ENV47Oc4Z.kh1KzFJxngkT5iIqyi.ZNlUpAc4k6WpFjkl.nW83z5xivraOpLN0aTgplozoSC7ERf6RmqOGWoxrESgjSF_lTlOM_0fS_DNlQFWVlei5KyeTVfeIeljGdL_t.uxRDcy94pn2xpFWDEZI3_RAh_WveNPDue8gX7MyKMKrhUMLgta7vLVu7b7cy5YiSs5RwjSZGMtpEq4Y8m.PogVfiJddi_cV7GSToCRGlhCxO96fImsUcA6Oaau.j38NfrisHMDvxATFgYX29uzvn8ko9CzoSol7MLog4OsOZ2V1JiQXtF7YB6NOJdkvpTxHfxrsd5.r2WGvPmY1eUlKCb.bdL63uu2PtiAEMAFa96xR6Pmf3Fe9.M2BJYK2sljppCs._ocv",mdrd: "XbHOKPj7izDVHe3fSVh1hSWnZ6yI57uJx1OVfCUdNsQ-1739113648-1.2.1.1-lXrj49Rm8Rmrs2oPxX8r7aUNW9l4RVUZW4gNkxfUisFCGVdhB2VLgXNQ34GHaKCDpgMXgSQWj6fiYZ4XzLuKR4TGZs9H70KbDIHOP9f2XBXtsHUCUdMbIcErzh3LoG3cYdnMdCcptgxZvUdm8ffKot3qi05oBFJiuOdxbpLF30PDeuJLhPBxc.laiyNMN6w1lANBG5QuTjeDtscxyeUlHqk0_JHGdoSOTIDvQAneItOzawnNoBhPl78NSXVOpxyU2Z0P5.lTVOisCleXeqoEWytd_jNOxXBpO5Ni4P0ZaQnEp6274fcbyfoI6_Lj0To9Td9wFntVWTw4GnWmUvV95hGuhqNU5UkzXPUT2jDBfhiGL4gZBUaRrNZA8Y.wLqUxrSGORvOL6FWtx7oKvsqOMX.gRRm7Lnd2XIFi3jEDxILY6EE3PCIrpbvGoXeV93MtHziUdTAEW6sGk83QKgTlDvyjqkAYOX86sOFDrdD7WWunjXzPnn8tkdQyoL_lc5wcCcuW15aG0GCXrWckkmdxY.2VlTGytTTWyTh6dvXsmP08rdmws448oVi.VlLO70t931Op8XLGAE5ybxeJBKlJ3YKIxenvHZzQ_NeMoTCwvGYVKlAxlIEJV3OXN3bx_Yr9q7rBlRAobJEd5xu4vQpQu1LvpjDXw3NMVFFqyj9v7w8lQmR3drNUpBj2d4BEYdOTjOlhAA8clzC9uSQQ90kFpNr4FvqiuyPpj1QQ4aZZfcjMocQK65s1B0CKBOfAj.oRKT3drtxEYN52a7gRbAREoLqxHjwmrMRq9ZWf8y3f8NJE2WnD0LiyK0mPOIiaOjUKRmV8OP4Wtw8rF1Z76Q..hVikr0BOvZ6SizwGNHjQf5KS6DIiSotGKSnsPVYwE8UvFS1NmbNfpJVrXXpNuTy1b5VeDtvisq2ZCavvgLfDeZqVTpf30x_TYSuari4QQD48M83JMpJz3he8nQk8MsTFSqDdbKDKLrkb_ogFuHAAFaNzqMyC4Lb.lfby_vAgzi3uIW3KYy7ojcZSfUBZYqg4PrVMPbJ1t12TuvdGI6J84Y80R46ZJUPW83cZedHB8Ka99sk7hYUGo_riSrZokfSBzP3qhkGUYMNNma0yG2UsWmHa4UxCkZqR9ppw7ctU9Blm3tFFaPMFgZj0xzu8daoZ7A.p01LS2uyHuS1HiFF32Y4r7jMWGX8FOo5HSwuDjoHrzOdUEEvHeYg6J4PLQPc.q6e660gIU.Q7ZMf8JZ3AZwMC7vEaMRt7xdbJZ_JmD4w8CPwPDXXFgeH1OWPohDUDR5mtHIR7vrNwB2JtpXdFykpkvWchJU0hJFvKn71kw8RJoFJBJCWseFlFVb06E4poj1n.qcNn9uxCiJuCPAD3HCO8zXyqHXLljFxRtbrJlPFmHK4s.pq9A5ECuZoLdxTQxiFvIVC_HjF7Hg9ZhwneqQZV.yHRxddguohzPH1vSPIdmCLzCeOIhV8Fk50SvRy_1KvRfI7EgAKtgEHu__DygtFYPU_STkFDWNNMvOEMH_BvKJeptoVwyWy3nrdsAHqneyv6uOwN6kq_RsSjr25PoEADi0OWznWZkJIFfJ92XdUydBbfjikAOxdJHOqcs_dlQ2G6OrkdLPB5QlTsuqemY4P8B7c9GqhHmRSV0PV7SjZddNqTD5s1j.wruBSlIZDpFyzsh6AQ8fl.WilKhLJ5DQCuyQUVTIsCvF57_ma.G10hR9L6eXMr.ajvbE7x1n_o8.zCg2_pSfH8pVVlO08d5eMKeBWoM6ENpE1qpFHOiw3ym2ef2o7SHs8VqTO_.pAdwizUtb1dM9pWjgFeM9xQh9w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f4c4ed1807822c';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\/1486529370?__cf_chl_rt_tk=pjwutWPslN9L1GeDa3AMZ0sJ_Ty6dJj2qH3Ut_xS6n4-1739113648-1.0.1.1-WJDL.L4AW19hX4Y9A_0dUIO_tlFt8sKtNdVb7SKG3n0" + 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