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: http://music.metafilter.com/playlistpodcast/56

  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;padding-left:1.5rem;max-width:60rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{line-height:2.25rem;font-size:1.5rem;font-weight:500}@media (width <= 720px){.h2{line-height:1.5rem;font-size:1.25rem}}#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="360"></head><body><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: 'music.metafilter.com',cType: 'managed',cRay: '98f58dd9580ac963',cH: 'A7QYSGVQFYtZx0LgDW3mhM9Vq3xx1Ky83cjOKAipl9Q-1760596714-1.2.1.1-ugwtCtcpQQW44EYhXfV.nxoj5RDZY.qRl8mMdS0an35W8g3Dpz8MZ2uhrsFZp9.Q',cUPMDTk:"\/playlistpodcast.cfm?id=56&__cf_chl_tk=heC_th_DT9vdyfTJtP9eDmIyFtGpRtipKkh__vYDhtk-1760596714-1.0.1.1-BXcT7.27VrOGogT7R_NAO4jbTYMc7zJkNrTgSi8qdDQ",cFPWv: 'g',cITimeS: '1760596714',cTplC:0,cTplV:5,cTplB: 'cf',fa:"\/playlistpodcast.cfm?id=56&__cf_chl_f_tk=heC_th_DT9vdyfTJtP9eDmIyFtGpRtipKkh__vYDhtk-1760596714-1.0.1.1-BXcT7.27VrOGogT7R_NAO4jbTYMc7zJkNrTgSi8qdDQ",md: 'DNqTZ9Eiwa9AnPT4yiVMLlfHkalKUHrIzXLwITAriJs-1760596714-1.2.1.1-2ek4EypwIN6OI8OqIcqRM5NV_EYJNvLKGm5cgR6UwubuCTXbLOrGYg7fBmMakoozZvCfG6_JI2wB.2.iFApJTY1CeOzFDyBwXa9aUffkaBQux3tlPR8.V9aWW.Rmcuthf80aqMi1M7xP6uyYMF8OtLNpCmfmNbKOD7_EIJqIvpWd_ygJUuUt4ojoB96etWRlfY23gqF0F68iIorIw2CShIeujWw3ZJPKGIG6MCUz4Bu.Lbemc3PBizVPDq6PnN8x79ffkPXrD6K8lTygnq43f2a40Au5QIphRVmnlA_IgUqfIIdRBdbsWFyTyuI6QB.IC.wXXzjhbDV1.AqrbG27GuGQ7iSu2cpfxs0xDenXHx9W7jSh7lGOJy1DcNTr0lktYS25xjhEA9IDdN0xHFaYMgGS1v.S.5TnCSmDc_yBIPvv1lW1TCYut_L3rnM6k6Z0eFoqqQKC8TF7NgH9x6QOoRYmnh8q6B6bDv0lMo7QD6ZuxoO8xeoaOlsVf68_jQLVU7RA0LFHCyaQ27gZO6MkbeoG72o8XjFBiCCpETBxKUFanSXV6S4EEm0zfx_f.oqk7aiZMzKRAz.hkiErNVGWQyQf9MnSy5LNa46YskQR0OTFl53R6SPjgT4ru_dVfonWxT2X7HPlWOJzeWTyYZsJ6qeEuVC6EO.XoS88mHgDq8vrXJDSdpVfc_x9s.fRlEmqDKJYqUH3YlnYYzhDi3MuETo9kSsgU7TbM_V0i5KAI3JjcZBiHGwj0U.ERZmw3M4eRdlQvTtXJNfKVCrab0gmEfH25kiHroeKLqa9ppxBVKnYWnyQdLd3Tu089NfDo8hHlzrqwWlafUn.Y1LBm1ZXsw',mdrd: '7hlMNOBmsrOOTeZVfMVPN.pXGyRkwX4_Ja2EnrwpNk4-1760596714-1.2.1.1-HIEKJOKK3qvgq6GH8EVAu19GlcJjzKg9tu88wnpze0waa7NZiUXwsWUVI8.SbWMuLF.re3G0Xwb4rIquDWoA8C6XaOGqpjw500Ba2n376TZ_HHZcjKGO.lBGhDS_VcvPNymxV0yR5SqEEvwxBytnIL5oayCodc6zzWAYGwb0etbM6KNseN7DydIs1agsH4cROmnZVg48JMJ3zU53V1y2dbtoiGv3OHNVIS7O7k9Wq7lWFljjbOWy2un9RLfl2bU48mZEfEFZhz_ClPT0PPVku4v6KwM8lgK_vM3ZPUUkiFUDw0WxQk7yOOK7UJEssHvf_f8a6AJ7i9lc2PYOmfRJzuh1yvdaSGkkx9.JaIx6hdTCZ5NeZv6m4vMZyNJ2IyfDs4C6pSGLu1gLZNiYwAqhwiG0BpF8sn8P9Uncg6TxR2A_2Ww_FeGCU6Yd7DwsIu4U8bqMEjSohGY13JnvgfRfsgrB5mzqNGiYv7RPFDIyjwAzwc5I_B0A2X.VYzBHuqOEbkfDb48iyq63GAMq6MMgfXXnKwVjLGm_hk5w_1Mz7lOHGtXUeN3t0yHklfV0i3ezH1CqaQrcor_hYf5sqUUb2JQV_c54WliDjrykF0kgPk95dzcx8nZMtQva1B4CqlFriADWUQmAbiollzlpjvDRYlB32d0HYKpyxCz0SYni0R2u_wVYFLwPvl5JC9nhGmzhRqiFq0E7mBJ_rACu9oFg3R6HCleVAnJ02EnHqs7uuukW9P4tsFH_RrRHTP6X.6a4qa0EusGv0Avs9LWJ8g6Z2LTpckDnBKbWCakwM6Xz1QrnfRfZp79c8DR6bAIinoRJwVgh8Zsa5Ui45LkCim9iCRrPJYTglr9jvIq9_w54nAi61YkwxgH.5EIOuOyLvk5gX5.NIzPsMNtsQV.KmidgIJbzBAmfXyY.wnoDLzmd.PU9SlB0hW_VRDhltGoeJM8hqmy3rcRBxiLhMDCB6teWTom6g9o3jzPaVPkPlYsleUgnoEdul7XkiF4ki6R1jjyrcEiFczAUmRDrLPl0IC01X3R2MFrJYJ19SeehhFp5gVQsi8o80xPVoLZTPHs.p.dO3tycMO2N_YFxZLOj4t.q4_cb_fWFzpnqEabpGQr2VvSgT_gAzyQbvtGA1P9lJSyLF6ZkrA3XQMS0R2.ezdnxyILssOKHb_AyrnUjJw19qzVZUEvqa.j5b0vG8rxnpd0.WUSlqDSoSiX2CW9EVUtaPtDrtW7T5ldYJyYytPlK_c4oDaXSY9zUGVLXSezjq7iHaxbPFcFtGE797NuKowJL.ugBLGzi_5YK5ndGDzuZire95XpccK3aH8aM3eLfmrhZPPk5C9fRzOQeSWc.aEbjtsZ9eQWfSeqsNXJmf1DDFusKmsEpRS9nbEIXpjlT2CWnhS9PHcH4Aq_J4OuzodseOCOycefT_P.Hmk2LFYKP3EzWJN93J2D2Odmafnk7M.7G2o.4rpWwY0vq4p0DqEu5zmA5KuCh13dMPM9_GaRZE0RPO9T2TxfJJUowdFqZQZDFwaiWpzL0BPweCv0oa0brvZrbn624FEjCu4tAjCvuBUwZ1.QQiwdD9iI7QP6HLP.haEXN8vs.adyvKMBOD6Feqq_7QaNpbTQHGEwzx5d5FpKfLQzvflyJyi4rDmJM5y2iYO7r3qv4rMeyzxXRhmTEYF7GBZjNZM53AD7kwNXkRerDM0fRi3T4dwHr6y_xVidzpCHcX_uisBvHwa6RIrj.mpXIBBk8iCmx.cE6mCIOWvMkyuMZ8E5YjOOPA03cm80Heh6G6dZl3XyshaYH2fHHMn3nzy_Da9rGD5UAku248PcU51rlzV6GvQivh9fQoL9oOjg130jnnVOHDu7zDtqhFow58zmc1_aZPJPGpjsp5chGy72KrIXP9MeF3QnCo9rbU0.IQIY00qbuakG1bIZKsg',};var a = document.createElement('script');a.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=98f58dd9580ac963';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,"\/playlistpodcast.cfm?id=56&__cf_chl_rt_tk=heC_th_DT9vdyfTJtP9eDmIyFtGpRtipKkh__vYDhtk-1760596714-1.0.1.1-BXcT7.27VrOGogT7R_NAO4jbTYMc7zJkNrTgSi8qdDQ"+ window._cf_chl_opt.cOgUHash);a.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(a);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda