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://qutu9w.mit-edu.top/post/4035276198

  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: "qutu9w.mit-edu.top",cType: 'managed',cRay: '90f370914a6138a6',cH: 'sjLfPMNF9DAdNFKlKujdCvP4FT9UCONO5v.1FR0zvVY-1739099707-1.2.1.1-Md6w.iaQjGTyIsMpaDGyGLSPEcedQJHQ8hd2eyl9t7oDd1BZIUMTa.5Mdggkl_Bs',cUPMDTk: "\/post\/4035276198?__cf_chl_tk=YHRWr85Hwr33fQFkqi6OEcBmYOxvyEHPPUK1.J0iXGE-1739099707-1.0.1.1-lf7EKF39n2d88PfFWoqspdCJb1NFN6CmYogbqj9lYfI",cFPWv: 'g',cITimeS: '1739099707',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4035276198?__cf_chl_f_tk=YHRWr85Hwr33fQFkqi6OEcBmYOxvyEHPPUK1.J0iXGE-1739099707-1.0.1.1-lf7EKF39n2d88PfFWoqspdCJb1NFN6CmYogbqj9lYfI",md: "elYlumufVE_NIZjw.7dLVfDICFgGcB4mZx3Ex90NXxQ-1739099707-1.2.1.1-d1HLNQ4kxwaOupbaBaSMZS2wMbvp08pK2GEDmgcfmL_PQmKIiNtFPhX56piLrnxJOnooSFYSnvrQkPtcx4Ku_QIoccwLI4zMcgXzDPLuEZmj08V5FNlHcWKSVJTKMKC5VBKxu3YvdIL4iri_61Nt1_BNE89yAJFzW0CYWLfjzZA8OaYXOrkpgOkKUbqIvmaXYvf8JvhLP2_RFf5touEa105DC4CXrZpqTF0TvTjfg4TpT29jNudmi_LF8J4ysdUJRXXj9EEKP51nYI.B_wjyePP0PMNPLjBoo5olZ7AAPY1C8OvtYm7xlihZFX7mlxvS0VUw6PmKPDuxewjOr3AckW6v2kZtWkp9q3ovX4jmiVt3ArcOgEJursTByOkrrcPC3NpH6r5XGki2pA4AzrE528UYMGeQwBrlZb9LKrg7ig5EY7miIU9udvf.eo.jQss9aSR_ReE0f1ARTmcE_osfZxALTPwZtUd6XSkLm4FV3dua_i.nys9M7sRYycoV7X3LK76SS_Edlpc0U9qeDOFGlAjWld3WHsDVQHlKwrohgYkI1pTTuUQkhnuMaw.dc7pOBzRF11XinPm046yHgS9kjDkXDXHEkVosVN9BB_dXnWmiZGP3Ukvg0An90.pL9AL0K4UuvvWE1zV.N5q8ntfoHJ2IREVVyFJ8iAUAtrV3sDgxxS.IuPtanyvkQtDI_O0MVnWZoYx5nU72Z0d0gmwrxBwJPMYZxktoTApqzJx8Qb35ABTM8x10cIQe1GJ19xlwfjSaSaebcO3dInZ3skJToQTAhLdhbxRGpaeC.7VEKbZy5_rghTgEgluo.dbdNPFpLR8FM6F5StwNowoLU0aKGD4XDxPywNPyk6SKBesHUxARfHH.0_wdmtkwMFAaaYjiWlGML6ZtDgapVyXRLgPgCt94djBUCRljmYx8UGei7R6.voMkkpE9ZjbAeJD4ZNBQ06tdpz9Wa1ZDdAuVdG62gghn9xmRnuKPZHq_7ud8Mvqc8FyLN5t6OPrVYS_IxCnj4cAlhFFCsrnS1GwlLMl1dfSRV7BqMcb_p1PViNTbpXDJPJciqCN1zrKH0iqLRv9eXFWH4oQBDRjoGKoNaSFU2xsjLX66Mya7df4o9.aUujTxI.TtfGIBE54rLeicpXPvpJ5z8lY2zLPExMj94Ibda61mfLTjjEbthHrxOdAbnY4.u1CgSGxoPp.d4Z8n4vh95r8.m7ev262PtssKpRHvggTJkpywHj0IywdWUSjzSSsAX5yEWEQrCPlgeRmKjJ8u5GFyhN3cnqVwncZg2Th2kvu1jo5JoCPehknl2r42JKo349S_eui3vff1I8giLBtrPHLbb_iXGQZDryOFM0ofj6kaXe.l8Cm88QvCof66kmaNYrjCBnci82pi6Jr67T3iz3UOqW272JuIQCmRxmL8ZNSjbqpOyUFqh0uqQmIh4yLfdTBP2C8V03nxRMMFIDg.SqrCTiVL_kzs6_GVdTVA6D7LrxoUmH2SwjkhmBl01BVfNHZbt1COXoRJZZxEGIW_NXfflAJovvFZFcFJUgzGbqsEYt1jht3DHT2qgELWKXj3lNRwIC.HKsz6dMeQY_oPZcHlOoKIZ7n0NfhaPPusIXFVenJU3c97S6xwJRt_lZGN10ee2hpRLZInQfqd6oS2ADE4TVNbxOcj3z6YVKXoXEoWV.3WqHYhtjR.T5bfel.whQAsl4Qk_vnqk_guFDyfOgsd8lKgyTy1hT28hGEMHgI5Tu5oVbvPrmWOQ5E8wN8sGuGkL7EEPrmPiBybrNADuoIkYYqQP3UJh45XPeJsWiF4vUoXixZgQYKZuLWAhcWxY7unXLqL5wmJ.DcZTTKB5B3L9dwJOY1flnHQYrG3usF.Af6dqGbJOMsc.PPj7g_1dfVc29aAdHQgW6MmaQ3ec1O4gckJle81FQZXJOpSLDs6J2l_84e_mN5Y6FfhTNIxqpNOiLCIyVPjUNfB1dlZostf3qGxCgRywNex.J4WC3jpbmSe9OkLMuMYTp3i3sO.TD9YkXE1V5jPXIyXWam3YOdSaOUetQlR.tpY2nv8U2VSjgmotWr_J585CZA6H5BpAm1G2zCypuU4u27Egmf.HGUcltDNW2wJ37EQjFuNYKp326cTuwVBnxPyBNhdZwMyqIIRevXgMWQpXIBGMHnFbmRae0EBKvpC3hxfp4yVYLsBjTXkA_wwpPJ.pCyZPrA",mdrd: "mTnaThtxQo_I8M17zEzlqDqnBmKu2kPdWVtQ.MXrgNI-1739099707-1.2.1.1-.diKQ6fmafo_T90GaFLE0U8_sA079Ncn7LBdReOelELq_i.6pFFt00D.ms6gcwpG35a3wcKJD6eVAGIQyQwlKWprMealxDF4wk6Ud4B0Wzt8vwZNENu7j1CxQcLX78Lwpk3FDMymkZ.cFRf.nkc2FaqVkOSbkRJMvARfWVIvIquemaVzc1Ps73fyW2PiR0ZG.0Ior8VbBXn4hoBBefvEEg2YUAWU.SyDD8w171ivTWm1C_.QYfR2UaYKzFLrwEmgnOtnBvWMej.LTzEbVWkCfFVlZzwZZAmac_y.7VeCQhyyjLhyYZCxZbywwkjsQy5XAhBUf6.0CHqtLPOAUj5ZfTAXSaUMtjEtFZcjBNliUXx3kzgfvt51oDM0_lMU0II_qY.G2PpyAApchAdQqKh7gOSfoPQfjfxBrre_SEJYYeAM3eXxV0Mq5XAs5SZzR7Hwo10g7BDMQAQJL7l1Dq2l7ZCx5vTJHkVAyI2GIm0MutALHt09_9f1OFkP6I2CnlwTiJJ_tXgsd8FcfWd27W.nrw5kEhLPJUYe__v3g0n8vCDEHnxnAlsK9JSNRkFJN2gF2fFDcuWv0DqOBbWk.wXEifH5wTcM9k3ByjdqUVqTrzabbFZ7Jz1ETmg1pLMMsG1kH4.hF1548rwuhgcnraVJpheICXlFM1g7jJBXcVmebb82Ln2b.fSutHH1XMPHOyoOWAPNubxgtAJGS4gldVRw8_eC5QPPf6nTWoJRelOGxoayMw.TTEPEQHAoku3Oj2ObmWibg1xnEQMR0uIC8QRj6YociyQzwBHNrXR7fdAgdDdkHgOOq0clRQ2YByUHLue1yYl2bfueSlK43j4vPhWbD4zVGvGC3x7m7Ed5S1DppOaseixKWjDR2Tf29Y31ZGaDWRCcdYom_dvtQ1BfHtttogMzmWTKvRPVNk4DeMnbQJK7cghr7kQdaL9Mg3_.Tlrr8WPCvZZwX8edDJRaIQu7Hr4NMZYUnSPajBbXMvBawgDv3QyB0PBEmIW59f2gaIY6u1Eu88iJLpdXwC810f0JkX36.dDZ591CdPGCi_kvAOF49zzyT8.nZocD3bOjoCvkEyOmPqwYeK.eYuJQhbwrGemQqkaEZfMh1wnJtMJKlxqPiSJirtZdYMf_31_0emOTiFfRx6zytBILX4cothCUpyQ5WyZDt3pSKMBuL8Wk.4C8.BeILbCaBMgTbb65glmt4j3ARWJA9l1etxhqNO92fJ3OCyjdrmWAsUn.5mSOTnywe.WNe9dy.ix6fs3cVdth3CEAiUM4h34H9953nr_nBR84mzbZUg0drzhmz3vG8fiXAe2BM1HFRjBjnucSxOjxPAbnf4Xr1zI6EUHIwIJwclmtONTTzuEYFi4Z.jTbMs_CA4c_8ixtfuRgyHevt5TQ0kJwNZJcZq38quB6PvKW7TXyD3jAxT9ghJVT7N9i5K6swr0My9V_zrCE2ZWDFMqVnxRUtc.mt5jOJ4yownMYrokADRUe359lHr0AE_Qh6hjibuMLzt9.UizIo8h0R7ofyONx051Qf.K0.kyyXZLipVhOkztO2yeyY46C1nSig5HcZUs3oO3teGemYJaEMxDL9v1kxOX7.YKJvtv5HPfILwY.5pxc0K6RbouB4siHMQYtA1R8ke3oiEgrNM5QQxEiaqEEflUs7F1dE3Up8FbFTz8AiwVUm.7reSoJWhFF8Ew9VM8pKQ7JO2jLLVkLUZKAnHFikr37ZotEPKGcE.tedNFoXUO9OM4mhcmW3akbwaH1X2.CTKrt3mW1.IxjFwEK"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f370914a6138a6';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\/4035276198?__cf_chl_rt_tk=YHRWr85Hwr33fQFkqi6OEcBmYOxvyEHPPUK1.J0iXGE-1739099707-1.0.1.1-lf7EKF39n2d88PfFWoqspdCJb1NFN6CmYogbqj9lYfI" + 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