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-affr3z1k0.mit-edu.top/post/1652380974

  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-affr3z1k0.mit-edu.top",cType: 'managed',cRay: '910f6b5928b8399e',cH: 'DjqoylWFH3IXrL2B.K2__iHpUWXgRl3VuC1BUv5Z2OQ-1739393094-1.2.1.1-_XsQmOFGc348u4b.0ptR70FINgAfwqS0_KpaJLF611Cy.W1IaP9BTlUBhBuiYnkR',cUPMDTk: "\/post\/1652380974?__cf_chl_tk=zpagG_AmfPALVzVZLYL4ATKUlxTCKwt4ell0yvT_CYU-1739393094-1.0.1.1-8kxkR82fiiLQzTcwqngTs9CRFs8ATN8ADo.CrZMCvQ0",cFPWv: 'b',cITimeS: '1739393094',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1652380974?__cf_chl_f_tk=zpagG_AmfPALVzVZLYL4ATKUlxTCKwt4ell0yvT_CYU-1739393094-1.0.1.1-8kxkR82fiiLQzTcwqngTs9CRFs8ATN8ADo.CrZMCvQ0",md: "iDZ_49Y7qDQLuujQ48njT7cHdj7DvQYwJ.pQ7d5snQE-1739393094-1.2.1.1-TQV7NGU6e5yLY8fjj9hNPsLsoU4I1HFMOzUMvmwGaegXEYwVwYllwtKC4s5w6rsXeTIXX3flR8VdlT3sQv90DcwlqizFRhO3OPDFcS33qpT8.XxvlBicK6CX.HOCBj8LBogHViXpGpdMUnHht9b0gRH13_Sy8q05JsLGZ7.Jbf5Tm9Odjqrqq6Sy5CtXfn6_sJvWD_GWMv7ZXVR8ZbNYIt8zi.konPp7Uf_l0huae410HdSyFSPz8eeFjlrBG2tjBFgM47tejrdjj3TgIh2_Wl6U78UyGX_hgxoYyyULvQRI19Dwn7_8Ho_zD3kD3kVVLZmta6aEf7ZTj.ehy6J1gSTp27ftjfRQ1VErEhPDAodRPbMD.tGG.hIRjQVAmI7kONwkioYuKkVVfmZRb1KrPVCguGofOmluUwkhkiRJtCf_.yUjWHArUArK.ET55ZvcqXa5Ahn3WqEGRegUYnXc9lUqION_SnqzsagyCVnXNTslWU9DgEwh1tOLKHmsGMJyhkNRsJ2cwd01DWDwXOU_TFwQ0_x5se0WJf3HclpqW0fWxpLKpAlut4xII7HJsMRBj7XuuQHpDp2WacIY1z.01_iqYVr.GQQVOMYyWWsZpfsBjQxBNo_c6.fwpjGX4IeOVV12wGie7XgGTg2xUmeyR0Ae3k1IazQe.Xx4_wC9GEP4GTbcThoZ_TbAtIgW2NlcwbN4m2yeK8SrgMZFfsf5H8yVNcd5gPZN3CUUJ1T_mJXimVGT9UGjcNVgFfV.FGnIE4bAYqFwuw3R.OxGLWZ6vUVb.T0O49uqZXMEigY1WAayLqNHAmV81n3fkjeQflv78DFtV3mEz2U7j1bRqc39GICxWyRjB5Ym05kgN.7zTiJoYrmBXv7sbSWgWCUmA17JnJ0Ax7ttQUVrfgbePJeiXa1BF_uCgxS4tg6TpRHQ4la.JUhq..nA.FDvgnB.Wh_SJ3T3AmmaxJGuVsy1vaZLMORKJanW2uM_Y7Y36zSchabJjB3w6ZMBsV7NpcoZ3HPHCrog.yo6V1c_ZgvFIgXClwvLpIo950_ndCMryaOBu0OtMGkC0voIySTxlpRf23jv8bJ_d78_gezdcxL1EMtEH3HsQ_PU7K3F9h21jJ5XjfexhWAdTBTF7JhU4l_TVn_FVtNO0HQ6f74XaCPUYFzcN_OvNVPNwPJI5JM4KYCXM1RFPtkiGfhXplI_9dQ1._5GXBz1q7FU.2C.FJUMDsxGYDF9x0okXDc3DhxrzIGQHX0maZkAKkAglaxiDheubQK7jpEycu2rxJLncDpClt9gGqnfsaT.uR7GaowWIRWGYtisD0AzmYmvz.znISWSAj0PO.VPYHssouKMIPPgmqvU6f2MDBLNW8KP.TcjF_fFCosxqfcBKJeK7aOxjihhwriiFCABxuAzcCUdpYewZuw7m.ZJvOWAHNefQcc262FCJiE1GLFfPDfP64WXEyzNigfZiW9FbTWevrZYuH6RaNCV7i6FR7zMwz3c3jj1eEXniXW4gUsMND5OXMVyTLpmSoU3XZLKZllFeUel_wM7n8miKA3aOQ_rZL_e7EWlD.cyQEozieJjzXrWj8V7E7nK3YygokwiQXsccMIKCifZMDIn9BUPK546q2q7mQ5hmcKRMcEG0l7IcBudWsPtjlLbjHpYDT0Kz5BXu_7lPqmgmT_Xv_yV3T8QQcdoXiDKM_fD.QaK8rh3jPZkTubZaiwYWGMOCOQ8dzsGebYs0lnUdjfCgncJ6cjc1.QNukfcLr3sG72YfnPQOXL8ZG9cOR4MfCrf3sY2AmOrbFIPLWATSmwArPZ..4qg2AAXSmAhrDQEEXLsBLOlCbDuRe87Dase1WYTHfWTZX1qLKYI1rMd2l.Ca_dq56aXqjN6FW.BSi20Fr82Z5ZpqUKL.FXnFExfHRaNiUu1cm7lk_V72GzU.c_iP3Qe5Bd_jRv4rzIf67Xzo4.mwXI85awhKmRQ.YkXu6kB6c94pbWTCjSZ2MgpSFk9Y0C9_h1jzH5XZl0riv2rnwcux6QM6CReeQ_Gezf36wnQQpg.XyVn02LasoDBoMFH_3si26oR9iyx3KNhnGTQ8JiXJoZNqXek8Gc_qRQSgmD2ufRFIFMt2f7I1h4uPNO9feq98Qo0tbrIC6fyLUqj37CBOzavGF1gwbLfzjfSiUL9s1vNj0abx01KE8BQBb2reo2lWYsTRKiDfGKCduNBZqANUUTKa.T0Y02bZGAbM2D0",mdrd: "FlxBqx7A6myFr_JO30UicOH6.IERSrGBrhpJxZCoQro-1739393094-1.2.1.1-Qd8YcvI3f3oKzdomP3slG8lfv5Xwr82MH0WkFkG7N27B_nSWjqF8NWuiq8j4jn._Pyn3zEb0y5XosE4DMqp8lSLhp4mATpSFmI6YM5SYX29sBbvMLYh_juYVt1SqwXJ0v4hyxPZHyYZo5.DXeULO7Lz2kedztq0b7TSCYxm_uv9ydsfE0ErY5u7z8T3KiuIHkmGdJvZt5YVagbCA_CemATRWlHe0_CIuq09J9mJFjpoJVzRUD8Ey9VwX8l_7a2nJxt7jc5qOmNSl6hG6ZfrToNtI_UVpEDYcs.4h4yBM6bt1eZlupiPtEhnIoPJEquyqhqWnaZSThHoInxRssEIPsLkX3bi5VyD3YrSfB72LNE2wAyVE4SIQQip9yQsIRw5n_p1bnZVVmfgrpQJXEWzRhZbiPDbL4z0G4zfrizwaRMZWac91C0d9lAy.6U1GIEEpizV1GamOAhquWokc1Ch15_EldfsxHAZFIEn_9VXVTCmuXidtjucEeh8wbYPF3NMTtRzSfQ9OxXMXznZONIjrc_h6zLtIuOQGzn07E5uxYK5zCLla1pFvjOGcDgxHK_Xm8pV2SuxR5kzpwEDhaNEzalbPzOu78104_nkX7udtlMEed92kLEGpp7UMt7OaksiPcYEFJ8uNRt3zbiNuO54.gpOFFnVrb_iT0YQZGdX7xkFQy7QxUzmx9iY01dHd9xSdst5qNByFsDsnxk7N2RqWsdaZTPbCCMEm2PB4wr4liHdccy.kCdMMbt2IHhPlO9FgXREyNdAXMarFSXP0z8SOm.JeblEq3ZdN2A4Qkyl814lVbtqIJRjRhBbNVmXxEMDEQRxwjwcy2zAoGMLcEDi0UM.moQHqZzbB_K6u.poGpXDeTFMIkf38Cy4zXu.BJrrS9cQclyeLczJo851qrZjUfKDXlFMnHYB5pDiis.03OpXMZiJPhHd2V41_9VKt8csBg0JkWi_CqT5vYZEpJjSwtE92NlmlQEd5MS.jMf2U5KwGXj7URGJygqDG6G41w7SYjCOss_ad1SG4yYBp3TWSkD7GnkNEJIVgnoGswNl2.5vjndiIC07CHOoFczHyQ8d_mLOOq5LfEqTQkrWTURlvr1kD8fb2FHjjpMdAjOiodX1rl_cZtR7N8Iw9TEINH_EOcHYdqNC0hSwQUy3fC8RLfXgzvBfovG33z7a0tJZpthC91auppJetJ0B1iQYsQtULiH.OIYEbTWLYNoFD3.KnbB1cyM5vA__ZBsjYzX1pu0hcsfeHbRXVNkfx2bI2ycdx7Y64e2jcaPaul4hNkOrU47JuDVcwyY0AA_zzGthtxKbsq2VPe_ZW_Qmbl_nn.TBhU9AVWtxwW312VGtS6in7ZVvgzowuGxO95iPgCZG5nnvk1MEMoukta4Pu5bmYTiwYEIHje89WHerOUZmDISM.KEbTztXPE_rFz3lB4ManyLRELmBPeNFGYlfW6IBxh5YlCWVFSvWX2wdzs2Z4KGyEcr49PokJZ1W50ORd0tTADOsorg262dG9LQ_S0SqYNqE8fKhgr5D_y1MJUM40J5QnY7po7Np_Ou7IbZ30c5OvBvGQYuShUC3.C3GZeoXgNtgOFJD5U9gd2czDwPfSmlzNV1nf0QAtIiETelGB6B1jLq2MDG_xsvG5x14jp6CsxjmUIjMnjULbYap3xmnp0Z.IAVJf3hlBFDBLFfxYrK.aW2PHMNcD5Q.nkk1mcHKbLwgGSESYCAz96Ujj6YCOpGPVIFfvqtS5930Q1mLZcSqlcFAYFyg4WCSRwCMQ7Y_WuhJqBzQAj4b0AUDj4CQzxvVReoj9Do7S6tgKC7XIIJ0cKBA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f6b5928b8399e';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\/1652380974?__cf_chl_rt_tk=zpagG_AmfPALVzVZLYL4ATKUlxTCKwt4ell0yvT_CYU-1739393094-1.0.1.1-8kxkR82fiiLQzTcwqngTs9CRFs8ATN8ADo.CrZMCvQ0" + 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