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-affxbhxwd.mit-edu.top/post/5389741602

  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-affxbhxwd.mit-edu.top",cType: 'managed',cRay: '90fbed282ac2d6f8',cH: 'jnX6XgZsEX4t8pnBVNPHOEK9UrxLTMW2fwGETLTqf6k-1739188696-1.2.1.1-boNBWAJ6RZdZP6N6XDzZ41XxrHFya8kwiqEZl7FJmsCgDURMpfZ.MZa8Scb.cP0G',cUPMDTk: "\/post\/5389741602?__cf_chl_tk=epQprOFs7j_5c29BaxVx_MykqBFabs2CWAUm08HLP_0-1739188696-1.0.1.1-3ioFcVrGX4.IHd67TOhZaB6zs.orJ1EyHc5olZg99xY",cFPWv: 'g',cITimeS: '1739188696',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5389741602?__cf_chl_f_tk=epQprOFs7j_5c29BaxVx_MykqBFabs2CWAUm08HLP_0-1739188696-1.0.1.1-3ioFcVrGX4.IHd67TOhZaB6zs.orJ1EyHc5olZg99xY",md: "1bdMqDFUVXC.FDC6a2EiBuhf.HZSkvaa.qWFfD8GaNk-1739188696-1.2.1.1-jq1ZgT2RlzGSOSBrQVzNJbgoTBYXOzd6HqWb4rqjDmr9ESItQVreX3ZlCrR.7LVTvhkaYSHhnXjx5LmJcfushFlHbFIOjxx_O3cxhPCO8OSLPZh6PFgn5XIb8I9Gwv0x97a0US3EcvrUWKUzpOwVwr1YDuxseEpmD.jAQfZ__agp.IGTw0IHTW4iQ1Z1yUiAxcfuJm.j1j8n.9UVE5OxT0w7YAOVUVesNo4TnhbX8XrmZCpOW09ihVLp9KwvXyy.TQXn8LUReyNVIcjCMCMbrJq1Yk.exH4N1wjZnWDQpxl5pUN.IFfnXAFfUIeaOwlFOgS0RhRYLQBOk_3dGQBQ41mSH9V0ZcHfRGq2XHjKPwcbzRKrH81pQeP8aZYMY5VET9xsj4244Yho9rM2QhCtu8ZGl50AY7lO2Cj2d9MqJbY6KCIWUgZmY0lrpqTOxZsJl2yh7Etu0eJGKvWIjZf_8QajFwmhbpxCMhEHVi090anWzzyOqkztWzKGGG7cDbGuAzuxC6hFoNco2RO6O9bD.zttddPUpNp8JV4xl3VPxMrt1Ht266BVhYJbxh49Sg17L_dMhmbuzj.xDNjS5Hmv3jpIdQfLhS7W0xTV7ZC8VbFpJZWWhvgj3ZZTvUOGfxkzy6fzSlfAxkZIMvIwnRSBIjRnPPK3WT_5RPHWoiti6sQrDK43Lqkv9UA5HEgelGO10LTSWgP1yRakrXVfSYSvULT6Wev0RtXhZvuHII08g7XaaOGtmqrB9yxOjg5lQ3Rd6ziXTMmHl.4svc3h0d1MaXQ7Q23RS0TNbqQeFyoyXfpjuPFGL.5EH0zFQnJ3vxLQSRZYvfj4010SzeK802ByN_eg5ZjSB7YCHK3EgActKC9OfFq44b9p.RtzRZ2ZA7K0xhc._BWS5Odftyvpz_3vFFTjM53H19qjFcj_2_C_V39TJJJhBJfhLh6lXtsjBE9qCWChNVRfCTdlPLtKvP5E0iBf5PQNRiqIlZpCs3h26Jlnrnzis2k20ONOrO8zJJc1R4QFvfJmEMpRIgVGaZtxbLIK0vcyjhoQi5y08HA32HG4VcQ4FkvMuwL8MdY.HP0FfNEpo8J.QHDEABHkTJ0c0DI5h_8YRY617JK1LYGm.bXJFd1Ckl0ofmTO4KtfFnTeMxsBqCmZ5Z9g33fGfO1bvlzey3wnnH53x65mu6Fw8_BUEE9yiHHRD1U.ijGLAWSkeILEK_nnm0SolZXH9ylclgwZa9C.hnr9l.uLj8dQz8K7RuNvxx528VCFfCF7lx3B4PrH2AytUETZSPPuHCSkH5Xdk6JD7d3JWt5IByUSLJx7tSt_jGuzew.pthdNITgrVueqwrWqC_YFARtB4nhwrupWRY8mDpQUFiN0aQdl.aSFCgEizZ_sEip1n0l9nQprdWmEivlS38h5ACO7W1j9dNQ1LuvGNQkPzclJJck0ciVHFj0LLMzHLHtR0bizlozwpYp229u.nfvD3ZoZ4tGoVsdxd8QWtp4V_kkiC..nbGjwiMCQWQY6MWeasdfRFkns5p.dCaxWHiDcvbnxCJyXZtSaEx1JGuxuqJyGjiZkXFXqyr2hUAofIWKUk4qksrbScMDBAzRRQ2IUJyJhP6O0CLuoW0OyYMszx25396vLKlHIhUzP6sYKt0zT.J2n.eos56I.zDhYj4Wn57A0KAUvC5xX5PMDInHQQYB6jjoAcQPM3zwl_ir471ED2woObigl1B_KgXfnVJvTN0xuxxklRB6iyt2Kh6j2z2I4nrWHrVNm9amznV7cBIDGII1oZNjpjeqvsvwTVnYEWU7GMts7QB5em_UuWyoKRbWMZV9yjM2CyIP4QcoIUk5X7D53rX7LyyqHnW3Ng9LdwTyrC0F6dOKTxu95FV1FYVlaoTM5AbJVjIaj83Yj85id28nQ25qxU8IcUbAXZ7Iatbt3PyjdSTqFvhF8lwhEaJHK2Vg2Fg_Mw8ogOzXcnjo24OWlWHTuilc.EpAq22pAEpGXnG5jeXsQjaSgzbOxZx5FVU9q6gv7R3F52ca58C6Rck85oeg7FiOdSwPUhKGr5OIbiRrWNfvage9CQ7xFsnbgLlUTE66PDX87nhXu4rIDoABCCie8R9f8bZO.CQx1tKuZWDxAiJt8zKcV4PIZ0mR9GhyWI6hl9zHd2mCCk6XdxlPfO_n3zLe7cjROwMz1yPenNibdn_zll52mO_XDh.vUYV7Httb2ZFEDsG5eSh06CTYBr7mH",mdrd: "3ceukn8PrROOZzreH60Vda7o.KK7Mhe4CNvDty7w.4A-1739188696-1.2.1.1-23NXDXgcPJDYAMv5jG56NfDEYnSKW6jAImy.nQnmXhmfM3JqDs_vdb4W98xt.zAT_Nkl2RJt8FoHCfbTPF8G6fWuc5EfKrazTTcQb99Ol0nk0dK0SINpV7RCGCFqUMVf9c6MuEzTk9qgi48KIZHBch76M57NZcmKNrOiSEp7xUY9ET_CYZLKom40bJFW09fHf1Hc8Wmol0mkGDeH4ViVKTsio_lv6LQWApNZaX2gOnp6SGjs9VRu8Imlkl7k6aNGtNdjDAhqp4k_JhHBVncIuo5ogcFnt4QbLQ5v9EpR4ZhCxrZqYgtpr2NqL430beKSgfrhQwZV0K4JVPiRoCvyolEM5g6h5YazuOZqnSY6ylKP2Cbaw0A14nIZ32Zr4u0OnidhY8AFsIhZdK1fGxA5f3Bkv1ilxjkqO_HzoHulht4KWVRW2jVVN4AMG3zX7SGvFomRFxtkCljNeUJ95XUf_W_PE_849cPz2v6yacxLLO_DwyExHH7bUGiJx4MBJC8X0QiOpNBp.onOmBzdK669OI1ND.dT.fA7FPe4CNjcnZgRcIK1H5EvhNqciIhfedvjDbSypIkfHVwYPNo4XPD_w6HOvtLTyQflde_OeHHM9EGSxIXwPJTwUw6gDGAw9GJE6gBSZLyOnACFmIu9IWa7NrJ8wtHSc3FyjSnLqxJ2Qc6.Js6RV81z6TlHMmfFBm3yaXDdKC07FyPXrnljxNJCbSOdcGi5NuKVitQdDH1RGsDoa3y6MicznkcWbaApAHFo0tlNc89HZK9Moo0A2z3Bv9NW4gxv2TYMi_MaKQhywENuzKP57TgjQRLHhlSYLAcpZ1PI8MYRmWVN2_ZxTZ0o_Uy4NYRmImLXU4wRX3dRM3rwzGJNGT9CTKVq3cuZQCrNsPwmfuzsI3Hhk8RmL1HzKQDtuT6aumfiiJ_nFr9IOHEOYA4468HPaPSHbdtJga.NkSWrmFnj10TU2Oi4ooLb2lX7MFxU3rMcjiGfO9M.nhVii5WnIaEcIl2cvdrgM1N6Q34HBvS7QAWTkpEPFAjYZ5vhaR4lbd.7vTqRrIDO5kusAynXvX2i.htyHB1YoUPqQIu_Q6jlDEwZEO1tJh4sxYxBfROTDGlCCcpH7QFHoGJt8NMPkJZN76BAg.IKBDzWfl7Wng9oxzqxO2K_YZZjvWsELF43jtfUEdSFrt26HqQoNAp2cCLG0VqzxlCYcXGOZIJvsDWenL7jF6bVVT9CFge.XnLloPL_y.ajVPX9Os4qZOWUElYR7XvPjxKsWkv25Fpz8aFPZJN_OIkv87Wnbw60haqvWuxJbeVYsKGNyJO0IMIjPTpLWpEbsTOCQ_PYO.EM5uALJPbaldhxG5rtYbh10zMPSDKImrG0fUQ06jZT2RMpQB.Kfv3JIcDhcMbsLyplzhOq2U3.gtVaeRJZCVAIs.HF0WvmT30PG8qIQ0E2_B5IME1hiU5tPN81KeWqigGHfNaD8TMs_TrdY5jE4raYa8S4tfP6XV5oevp8AvG4IxRuB5FZ_PfWERSgBxginSAtjbJcaRv8b5.MWbHghOXMKeJVyTpNTqItTm8HWSWpZD3i.hQMflQHmjf8NQL3tS4nLUmtoH3q0ST6UUFUonCXXxhwgKYk_miqGjZa0xEgd8lg3CNA995LN.knAz1UPVbyFIAioGc4k8kO1C8p6Sv0BoLvLI9KfAadNccMSh150QuRSt1ojJxcgcPKkc4PvFNvAmvujG2Dp7qpgudcafwB_MOyx04NEYWdvQ0bpJs44TYgAAh8fOIEO8JcFju3NcnBYCUyvB1B1dZjFFxt7g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fbed282ac2d6f8';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\/5389741602?__cf_chl_rt_tk=epQprOFs7j_5c29BaxVx_MykqBFabs2CWAUm08HLP_0-1739188696-1.0.1.1-3ioFcVrGX4.IHd67TOhZaB6zs.orJ1EyHc5olZg99xY" + 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