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-455379607278.mit-edu.top/post/2136790845

  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-455379607278.mit-edu.top",cType: 'managed',cRay: '91105046a9ce094f',cH: 'uo6S..Eqan8FxA2P1_wEDKuFU64_XmCUfCJX_JeATF4-1739402471-1.2.1.1-AjByvTjhWcdrri5jt8c0aBsi.YDYfJOaRBab4iEwZaNKGk6CUuGVSIjF6q3qv0Aw',cUPMDTk: "\/post\/2136790845?__cf_chl_tk=cm5NM5mmjLdjO6y5hsvK.Xp5ipy42mJrUynoBvyqraw-1739402471-1.0.1.1-YUrFvKLV45YkTaZ2llDSJuAezN9GqLkRaPMQaDcqH4s",cFPWv: 'b',cITimeS: '1739402471',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2136790845?__cf_chl_f_tk=cm5NM5mmjLdjO6y5hsvK.Xp5ipy42mJrUynoBvyqraw-1739402471-1.0.1.1-YUrFvKLV45YkTaZ2llDSJuAezN9GqLkRaPMQaDcqH4s",md: "tQmPbvsRKJa4yKS4eDwkDq2HL1x6_BaXL8ctJGhN7r8-1739402471-1.2.1.1-ryye55LAd38ldpYGl4y8cPc_cB9jb5PZpyoDXOSoKUzxHCHTfjalBJWbv_prFQ37TLXzWjw9eq4hrf192ngNgbPSNPWKZD8RMf3pg0gO3gf3X3s1s67xgfr4X._W_rnTnnxh73.6zr9CZwdhfAhNxw8NyISV_NHhrKU0Sof41iD2feqaDKDJrt1dQgnIQwPBL2mwMJLA6gqoqwKKD9L2Xa0McRqSwWIbfhSWtqVi5ps2b0MVE4QnXmq89kQKZ2PuIUEJnLvRd8Uw4Jz5kCVIvE1KksonWK49WXovIdbCgfYYR5m9jZbswngwfMVxWBZDAcBlfYf7mIDzbrdEsj3uiFWp6Q7Ne6RuloqpseXa83YVSik7zYUC9anNm1zyBArQNyufvTONDnZf.lrOsNq3NrHZtM4rEeRgQFafpevuzsDCCq3wKkNOb2G.pzB4pFB5v5fMCkuNrHksqFaukehZ0doYTlt_2Zc0SYkfjTn5I0RdqjXuTD1glfnA9XNcKNBzvWW.M8eyQLWQ57Dc6EfOjDGzdtAtZV2PN3xbDhvqWdYwjcKvmkDOEjEdpz86Kw7.rT0NZhgAn16Mpl6xY6ukcEc0SwuHQJYwH4m6E5DJIMAx8hgDJ1Up7dtKSWx_cYBCCGjkgp5O_aruCg4tuhTLrnVzjAgWR8ykQDecLQLcx6d5OO0mu85nXcL15ht5sVI_PA5WBO_TaH8ZrR.ZjQ.eJMBPUKa5eq18VGiGeUbEusJzRI_390c_Vwwqvhh.mFA03PoKYKQgVDvxEskWX.UVUO1VbFAyZd2re05ocssEjjJBD5L05ZrNeN9Cz9ikxpuR8Vqz8928Ff8ykJnIF9KP94_gfunJXrC1P2h5v8bULwU.ErPqA_uNshwaG5dMVmPHOtMlipwPJzVB_r5GRh1H.BU..Pbz2khiOMm4LVvhBichzWi6.9h4haYS8RGz_0Tw4l4u5UVeERqwJxIv8CxN9ZHkEN3fSxsMNPvuMS8cQZxEK8KQC7iusLqXYY8YDTO9i78gkiKh5MBnbQZTuaVoz4gdFrjPg2l0fw5FlBmLSVHBPo1FQkPFwrSgLb7cCVu0aHqNUrykVsaTc_bH1NB808nQDYHG4ddqyeFp74PNDqnBT6gYT26W_ICec5SxHM22pmgpfTob0ALROwMCD0eZVzjwzFb4JD0cgrca_IthHDpSt8_PhOSImZEhTFMyoDyhMxLb.BimeHbyTcA8tc2QfB6cqc6bK4aMB3L.Nt_CsefsVPW_pxjoWch0wfltlfic_pkKHyGpomhCmgEcOxQuFesqtf5JbZTHfWPuCX2hCiYEU1r4x40n79jScBja21KPyo0SS9WTqZWj.PDz_uqlcrC4f.6e8BLy80HRFtqkgztB5XiUa0KKnyGVIPClYmdu6QIFE42cvBGMJtO6uaXqRTmyBHvjGyHBPkN5YSkmC.soi7S1a3REPag3AfQkPUsdBCkUxhm6W0xQuhRiSs9WCkB0sGRVE8q.awte.Mc67kdBE0gjoVIjCpqYF0Qg3JPnKXETZkTKFPfbW6fY1oVZjkY7qYEZyhmw6QZdABYSFLFmjpPNN0pAVeZ71K.a.0fzIhvfNIIKpLZnoI8V6Gw5dfsfWkpib4zbgkHb01of9nhw4r27VEw5jrs8yYO7p0BF00SONDbAaFbFVp6wxu_LL_P8tIsRIOZgA08EZb1VUys4aQuHn.YfGJMIVAbCe.k9aRK8S9O6F3bwJuOmm7ZPDqeLTExeHP2Bl91WHm3RBmB.QAuNqT8Mnrk0HoEGqajBT7vcB0zd6CvEXVcQp_A_eG05xPBEkEMVmtmyPwrDoszGFCAKc99fttrbwjA79D6gTEFXyB3cS9_QZAvHuILD._cCwtoOXf0PlUthP8b8O9KRDvEwVIuUcY7Ho3iSQFRZ7cWdiqhfaOYCyvIO5QWh0rBfK730SmXV_6RbVHcPbed7zXDnu3l7wnQnmKmog81I5G8U6cs8vgUSEDSCcJGLlOdckBrAYBEMPqcP0bJZ7meSVlKJOI8OuzwZiiSrs_1XOb.LQW5EpiTuY3KBIuGQG475qUZcmDE3GMpTOMvezFev3QnXbZI.v1fxozRLunUxaQ_xfnpHPYoyUQxVBFEw5L7RODQc879RfmJi7Zc6z7Y9YkY__Q.KmXlni7ee9Yj4NT6PvhQXfaCe6adJeePQs_hwO_7KcOXN65CTgVKrAYJLOGDkdcr_XweUie0Q5JFY",mdrd: "OdrYG7NybWlAbql9ng3dkuzZP76I9d.YmAdrkbi1VDs-1739402471-1.2.1.1-HFBe2taCJ71fQ9T1OKBdOvBsGxgv07NhtZ0fJc9XdkFtTfbgoMILXvEBSNA4sJrzNdxV4kZdvd5HLkczUl7Z4WpPyMgbvifdKKuWQFY1LdtobH_PojpS1I.L2f4VZCkIH3KD.zTNzQ4qNQr_Gx9DJA_pkgzXETRUgG3OEhmFA6xUARhJYZljl4c6UIiSfpS6tBsjc4jpP16YzsrRzn5t6C5EKK.qIVrCFXFLr2Blghf6CyMf3YlOi4r22etC5rHIY0DrfNhgo9D5_74GMiUJ7JWOGIPrLIjEokBjC7MqN2YzvjNLjAI_KAcfHA6UGmT1jARwtD5rMpLtRkLa9mA0ld.ADq5wnDaBI.mQK1QatLNkbnawxq3wlWM3.fqkzUtyXL1.Azt3ez2.RI2bYpOiEzi7nQ78KBsU2V73lbYqZOAO996Nlnja_nXsBQCh.Gmu4qp_tKZMR6Zct7PIwkAzOLLJux74czasvjjiFdmkxdTuN2qjBLxT5PmPM.YJQ4JIn7t5amOTZIQAyT24gft7vxWgypnqsLzVM9.ZsUvhPQ2XpZk4f1v6m8QiLTn27s.0qfl5loJoaaGQ2P4hinTjfQIEclNg6OiJHbaVy0t5AgVX9ZkZqm75wPT3TfKChr.MuNRHnfDgBsl5VkBd3F0S3W4VqmPQIL3qPWvJWBdZ_9jtBLi1FS9vRUqsEF0t39VyBq8fhNbNX3MTycImLK8LwO5M5OeGsxDbMR6jg5HopNUW5jWaIFBpGlZ.0.7QP8ka5wqZlm7sHKMn25Flev2y0hIu6xnSwQN0ugm2U7tO55u6xQJxWTiKW9REtmVNRVqCLkPU8OViSBfk2OwRYYNwT2aeBnpAFhAyRBA7dnecjr777rqQWqm8kW1zG9rVTi3bN_v_C0haXEXfGBdjQVFKRzq0f3b3WpD8buYVVxlG9ZGxG3e3hkhvuh.rZ0rQ9BuZ1uLOCCfn0bajG9d3HncPr6jtdYIPQUefBahAdMNQKt_Rux1ePAxjFcVjTElNgj7iK9cdKtygXkisrZmJuULzZI_T7b_fTNI.FxEaeDhZbPz3FdL7fk4n_maHjEeAdDyDEzvWJvYcB006TOwOj8uOySX0hDpQKywz8wscILjJ7pIc80LxJa75z.GMX6R9XvA42QqMs.CtkCKqkHB1V8I10a9oUvW7k1LRLY_OW2x_mD4As7rA2FOqslJJ4X9gF8X45vM_1oPdIxIe16VL8ZUNtynQd4f_eXEFrFipqAIFF7NnKXGZoRuZZXSjzelEx7r0KzCi2dtkibVciSwgbe_Ic93k.pHxWYWD_UR.GjMC_H8XvkrELT4k5iYj0u8FFuUcq1DagfEVCib9nF7z6XuRWrUk1xxHzk0CTokRgLlZlYYdJBA3Jkta691fPdHotEIDtQOZfyvIoXLBO2kh3sxjCzOP_ahXKLkxZRF0Yh0A.DYZ7GC8HVRXQuGmMhdYEnwyvJqCwE1.mauFFLouY0g0wWMh0ko8gfTVF4l2scmaUbrWZp8lY6xsLFTQMSr.DZwR.ohly2.BE0bXiv2h5nfX8FVa.qPcs49_ELs3ZOD8SXoSwj6JLymT7UCeWjg9DzIryqhajTMnQhwsMLiG2uCsi9NArL5Rl6uJoma2Wpi7fVqkuKSSJ6HhsPBt1o7Aus_Tk4sdtFo_R9tFENGU9INJP6eh6391qRMQZOmLAMiFIxO62uJEU37nDBlzaZso5v29r_mtc5.r_mX4FcbKn3Iwxl3ltWILTJfxsNAGiFb68fcmL9qtDBvNDbrzpnGGcHdN"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91105046a9ce094f';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\/2136790845?__cf_chl_rt_tk=cm5NM5mmjLdjO6y5hsvK.Xp5ipy42mJrUynoBvyqraw-1739402471-1.0.1.1-YUrFvKLV45YkTaZ2llDSJuAezN9GqLkRaPMQaDcqH4s" + 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