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://057.org.ua/

  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: '057.org.ua',cType: 'managed',cRay: '961e4e8ca9e9c973',cH: 'boCg7hhOlO8e4bxy2ayyPxkRNPt8ZAgHQATcz_eD3Lo-1752970974-1.2.1.1-t3BJc14fFwjEDe3jePqtZaHssLLIPZUr0er2sXy8oQ5ah6glwnWNoIth735oJhXd',cUPMDTk:"/?__cf_chl_tk=wdkKJndd2DA_cfmP2DmCW3qNOQxAB4Jn5r4M7tjrVyM-1752970974-1.0.1.1-6lxzgMUES3dIKzhYLHG0iSfQdNAfvSm23uyKy5FSjM4",cFPWv: 'g',cITimeS: '1752970974',cTplC:0,cTplV:5,cTplB: 'cf',fa:"/?__cf_chl_f_tk=wdkKJndd2DA_cfmP2DmCW3qNOQxAB4Jn5r4M7tjrVyM-1752970974-1.0.1.1-6lxzgMUES3dIKzhYLHG0iSfQdNAfvSm23uyKy5FSjM4",md: 's4ZkypmbVihlMNDegjaic9X6CfBeyGL7GXb_sxyll34-1752970974-1.2.1.1-0MCYzxeAGFOG1mjRmE9idRcnEv2C9EgLFGt76FysyMbVLuGpTuQeEkr8N_HGREU1r4uvsvKko39m8AyxXF3W3rZLuzsTyU2nNQex9FjJSEs_HxgAkYvzuoYhXIFW0dZTkjwjVDx15xzX1JBHpAjZWD9Te0bZHk0jLFXY.Siqlq7FMNyUQt1WSwBNZArbzMW6twQnmVtG7_OhxwM9oPFi0UKaiBtAs7Hz6syLFTT5wSI5iM1oCeKNxqCCpq3A4_tDXikT3t4u1oLGM.bYHxzmmybAGsBRFET1GP1xU3snUnoOlpO1EOxiAN3fqh3OixZ9neHbOBr8skVRY7JIqUvt_ttQ9J2ZEOnSNoZ_S7wO.QfBHxvylUxPP9BCI7jUeubh2xBDKUiOKWqqegUDlZV20odGKtdj8UGkpUGXEzwCb_b2ljKla8MuOvjP9h71EZVCMYivxHUWsmkP1e3frcuK4MuQ55ai.hSqUC3pmDz6vPrcrPra7r6CxFptJJvBDBtPjokPIamRikxXJuGSHnFgfFfBVoQnBc53.vWbdSdk2rXdw_8XRmzgiwt.QnEwBKGYDWu8Kcx1mAuvrDZr1BThVMXCQ2fUQ0P8RSeMz1_.rA1S8sPrzXTQpmr_oo1W0vPhseBdqO2aZLSIF0vpm.1CfpWnLDNiaKFT8AirrAKZoNFsWzgWKwY3AhPOiPvNs07fVFSvvD6s2TMhYnZLKnt4Y0bUr3xxJeVhJ2j1SZTQizRBfTIBi77ZMA5EfSM5smrti.VGJXc2YmNo9PCFCMUCuCxWMrZ0faJEFRsGP3ZjS5CeoYkTVt5rUWW_hjtTBNay8dfTbvXjcO0TP9kDCRG9mHzfoiJa_5kxnBMUhQrlgaZS4lX7d5bNZwasEWv8gvP14j2NwJIW2.wvbukyOgMqVGLrVUNr8StCIckQIqe1kxskWMEETXAFzUtTXN0SB5TJUnWPzLdjLxujWz7imdXXb4ZgvkUk2v0BQQxISMaW2CnKPLgttPBqStH2n4ciK8vSt6W_0GZ75VXSp9pXd6PzKhjHK_HDLZEjY4ociIh2_gd3NpRBlc1ul.Zb4sMdTuyQ',mdrd: '',};var a = document.createElement('script');a.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=961e4e8ca9e9c973';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,"/?__cf_chl_rt_tk=wdkKJndd2DA_cfmP2DmCW3qNOQxAB4Jn5r4M7tjrVyM-1752970974-1.0.1.1-6lxzgMUES3dIKzhYLHG0iSfQdNAfvSm23uyKy5FSjM4"+ 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