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-affa683u8.mit-edu.top/post/3104657982

  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-affa683u8.mit-edu.top",cType: 'managed',cRay: '911005a92ba40660',cH: 'sXe9TCqVa4xCaLRyUyCT8ih4Bj8yKMKhcEsYBtWQs6c-1739399415-1.2.1.1-y9HHA5SzSDhrtaj.xWEvj23S7ksGZowd_GXiwUAIr7xhUzjOnh8WubmB9PgbAaTM',cUPMDTk: "\/post\/3104657982?__cf_chl_tk=VdLdKbnQgdtQobn6qmKgnXXQZFGQX84dP5ajX4ByiWw-1739399415-1.0.1.1-GD9vpTFlYG3tQlZY1GSrgXwvOZWBUP9BXXsPyG2835k",cFPWv: 'b',cITimeS: '1739399415',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3104657982?__cf_chl_f_tk=VdLdKbnQgdtQobn6qmKgnXXQZFGQX84dP5ajX4ByiWw-1739399415-1.0.1.1-GD9vpTFlYG3tQlZY1GSrgXwvOZWBUP9BXXsPyG2835k",md: "_7YBueYm6uUeKGy0KCWALvrglhTihaQ78sXBay1eIko-1739399415-1.2.1.1-gvhrBBc86sXi5AlNycdM6c59cmFzbL7Hjj8yPrR9ozONJX2Wuu1mhUHZbpTFBh42UvBmfngPxP6AZCzOAmP3yHXSI8JnXpGtPWhYQm6JaijH3wevbVQj4552Dz3kc2Gw8l.keR9eIAkmuuckGONmqE0.KHjjLeKvaEZYAcqOnt2CwAbRnUjU8g9FpN2kJjnhOEzOfRkSbaA__B4fpiNERRpmm.PC4BORhZKCB2VqaYHGeu3PYs4fFwQqbgQ2ji2IN3BsgLATBtcPvgb8xQTVfp1jOCaT_z552EpBVzz7gq.KUOgPcjDBP38pMnedyJsgG6p5jGdOgwFUMtc8i333dRHp9pUYDD9SRYvqaL6bEjrvzd5d609knNfa9dfvkNT37FPd346wfhQkerltdE_ZKj.3qKeTYI589Uqq07ORlRqfpKRBqbbYRDnicdIi4IC.QqFqWid8._.whdC_81lNhQ5baMvsxa98OlZaG.IfcXvba4qOK.CQlWwCCigDl0jtuPJJvrS2x5culEehc8KVv1Vr2SQiw2sgmTjzwnY2ArmM_LXQDpsRsnv3nRwlfLGq8EVPWoERGt5Qi4dYYoaxnO0SfTASHzFKiOXyrPMRHvzN9i0YBJmXQr4dTLVFNQWWsU8XjHeObvXWxP8BnWuJVaBge940jxC8DwFVGiZy3wdyB7JbL4NYhkzi7V5mFAPEQL3JJq6ay_lniB_DQZcbTnbWAwA3iH363QXMrJNjt3rXfwVcKXqrtqKwMtlr4Ty.wWgQ.F3XCpuXfY.I816PPl6smTAwTlcktXxFyw0DfAsvfJIy3mhnIxHWnC0kbHEyhv0ykSggGsX6S1TI.6g7Xxlu5zgwZ8X7gpUqxQrL6y3zycgaZaDGGmnL3UADZZqfnWjLzT.q4v6PaqD4FhV78r2E6OvkYocrh2yo8bEo41kZcN_4_x9zqGEJ_tSSEE9giQWgjRkBIj2CoAsc1doKWl.YQJVYlsDu4tiK6Ramsb9bcvvM5LLZ9rSlaGQFAj8NADGJPlsY4Nhi_CsmhqeecZjm42adq28wZhqHz.8vqypDZAom91KWpgmBAhvBK96KWVYQQ4okrC8vYrsZOwDN6HFk1haokkU_SZ3Broahs9D0d3PaWJ_1CjRVDKyv2Fky4nVeNGApkBzwX.FbxLuZGuFhnl7xjutf23nL7bGKvSZZuo9qOolSpWcC0t3OKS.p9wulUh8DSNLGP.P6CFjpZaaeGNwmdrX3IRls64pdsR0uQacPJRRFWnAjjoVwKzm3E2ILA5dX2sWlF3s7SEMl5loLB.hhjnHkMWND6lRk_.MigZjUjSM6ftOk7yNeKSIxypW7Qv7gh0tcsBSlqRyjucn_r97CCK6VtlNZC8vmzdWyTtQPfIJxYC5lvj4SqdELXscjjxPKqtltJyGzubVDT1K5p3Q51Sj2FcJfBjZhvbK8jn9hF535lgK5ctUONCIYS7A1GlstWsPWLF.496qkNPI4EDIzNe4nhjS8KULOr5nmXr3U74_BC5ymOPKSkpInHAAmNrnlCNAV6NDm9MotCpkTBYn_3Byo22SUGNWf4p_xK7iZ4j5KVZxPjAKqjADuCKulYQHZVsuKtyqEN1uGdXVYVGA_GuqdIR4z4sRhc5k9MxzMsI0PBYg36OrCO.o_JYj33qzU5foo6EBkkbCLNQLJsZMeEhLoe3idVMOhw26pQdK9D2K7CxmWw9xZDuaTF8eLdj6nIqM.6_7mb8B7eoSmLVWHs775lwtPrcfCDWNAM9rHR29spN6Dk99B0jTy5z5AgIt6_oB7tJArTAYYPWsd5LsfyM29q3glT4ZpX8eSGhXu6wAV3mQBBPBLQ7c1JrMIl13c602F_TseXxtFBqZbmqD9clfDfblSxTW591EuWeWX1P.scFe9d1h.ymA68NJJVvbZx_RDDf5gSBCpUmtHaDtgA_oygzJ1sGz8.sM0GcsVjI1avlsl8PEl51kcd9GYJyigUm5khd6yY0aU_aTQTsxTmaP2Ysc45EknzvaDCl.tKlP8h9UqjetBqpdvx1qvUeL3APFgq.Qv65McnAONou7l1SnzbaKZndzmXJalH1hJNbuIOpu4DhoKPnf0KdQw.mx2tN5br1_AoH7mFXLieMbSP9o6VAciFMdOtW8UWXUNXGoF3jDvSXJaUZJoZrcDxtvUv3m1zjEa.doxAxxWa2TUfQWdwdZSN5J316AsXempGHm7tLJnpBL17ov8",mdrd: "WIk4OAfY1B9zYoJCsEVXKucjuck_1ynvhXxil5vBeoQ-1739399415-1.2.1.1-8vZSxyW2Z6hS4giDI931bGGqlNLEV._n.uWX8xqQliPAcBo6447AP8zoeyYPUv3S3VPFFcRJ7FHLr_f1PqcYprnq2lMfCea8.nVIhM_lSeiF.7CEuBY3FaR7hdSi7b33m56ZXxIJygFFD67r1a9nUjS0Z_ZbU0HsCcYbDLF.dV9EhfHFaChfy0BR8xfM1PNfhD7j5tEyXoCQT4edm_odDZWN7lnCDHmmS9bBgcCHnvCY9nJ0XaRoUU2UHNSoL5Uum5N5zWxj9YHO.YvR0gSnYZOQhC_p8E_G04qemcYCkMOPQ9FBGXPVeQZ.fVatn1Z1jHdjGtEqWCMpwEQjC5izCsa8KMm29Zq.HLNeE5oHrRl73s6kwNHO6S37iiECBfW1auk9AHcr1l9BlonGOqqXB01BCHRbIHtqGpfYeJyQgxlVm5OgQh82lPAmTxSBFhfxeHYIkNkzKNNXQ4Od7.ETFyAdRGAKAepJHm0frsT2D05HuaKFvZwyfTnB.JwtMxDjkv3BPZlSJ4DP.4rLyDwRehfnLD27GGYIuclMX0J8qO_bh.q1KlwTsnbkobNIplulHsUI1e_kzSZ6dB3CMm3D6p1D3dsKIBel6IzmYl8DmDut_QhkHTRDgKtTL.JvD7dvNO129VsV7RmRRxAL9Ce43xsml4nrCrUDTy44WIkF0Uf7XIBPajD7CslFzQ5WP73ldUnI3_2PLYOduJGDT9EL1lEZfxqsAb6SeCR1zwYwIL5wp2ty.uGQgHSdqAf_.uG8rDW0A.uFu1m6sjI5w6NnVhqBBkWNcL2A3ZJ3MFZGoufcJW4LJD8ZZAyTs2ea7CFKxT1AzHTKzErA.LpHLHi3btqw6iywTsu6xogXFQZkl08cDJFizNhHYX7zY46l3bOhYn.2ehDLte.1eFMwQZs_WVrEPxkZPaD3Wte5Lnd7E8Lchb0pGNGV3hNLtbvbYn4vMXSfaRF0RTwPNDWu5JQzuLg46sDVmQt6p5ZPjz9cW82iB1PWX6iDZaqXS726R2T8HFVUniMZsL5CtpzWc4cFlLuCShK7m_4kdM30fLJmuBz_LxcGbuTYYv9eW31sZMffS12uCztdDIQVwsDfNMBVCSzPynHC_Un_tNAisTsYCQlMkN_0Z5WaMmmJM2lerGEsnr3TmaNzLJd8FoCY_bk30nNNeadAbfmqK.zXSOE0gXWq1B4AGkUhZ.ooO4IOlG54VvhyyMuO0Ul2jNAywgpcWHyzE26GFozjCXslqSbtm4IVWtHpLt9CHj49MaDbxmvep3hbvH1NzbFSSU40CsnI4p7UF6DPm83BKvdHu3bnZnQmuJYaAPZ86PpMxALDs5Jhsb.N36.aw7ondD5fuxL74cwc03T8fKjaEGL8wfHE2mTYnQRvRGNZUkZpq0R58C4XjMXVsbXeeMU6G1SprGnlO26hrZeElgH21NjiLmpVDuEgVyfD3CO6MJiAo7Qg8YxE.Y.KvWj8_XToig7v2VpD4UaVu5wahW_kJhwJSXiztHYNnwD6SRbqnRUQj4_JTUSotHZL0bzi2DO3iw_rdA.7F2JqvwFRn57jOxzzmgkjPGcMGHSXCnNXAsRi7i4DgYqxCaOtK1pQQTTHnv3E8NI.p4HwVyg68IrAXbTzEmDu.njvXbyQZ.xQNMfvA0VJiqoyMVx9C2JuVioqtMSNLuRtXEQH7sftwRkq.cE2fZkviivfbOdwDEwWyIGfcSYwh65Bthe9Mykv4Vu4A5Q2E5yKRlnnCm.08J6InJ7Lkc8N52GlP0azp47hMjpDLMNOpUjCLtN.MHFW3vrruwpWqSCyfg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911005a92ba40660';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\/3104657982?__cf_chl_rt_tk=VdLdKbnQgdtQobn6qmKgnXXQZFGQX84dP5ajX4ByiWw-1739399415-1.0.1.1-GD9vpTFlYG3tQlZY1GSrgXwvOZWBUP9BXXsPyG2835k" + 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