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-affl3wc0u.mit-edu.top/post/1468029753

  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-affl3wc0u.mit-edu.top",cType: 'managed',cRay: '90f84048e9b2c981',cH: '668Lla6Mfkldq1a5L5eTzCPvWdx1tOKGU8UHfmZM_fs-1739150158-1.2.1.1-gDhqjAQKP6agz3OWYMzx9hiyd2h7xy.aygf9KjOe5nkQdQ50QxI8jLfDQsc0blxi',cUPMDTk: "\/post\/1468029753?__cf_chl_tk=YVQ1u9IyWwf0iKwSoyttxz6MAQLqamalXXit5C9E8qs-1739150158-1.0.1.1-ReIPgzZ6AR9qlHiVPVFCMI6DhiEjAvnjqvPJPAg.0Hw",cFPWv: 'g',cITimeS: '1739150158',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1468029753?__cf_chl_f_tk=YVQ1u9IyWwf0iKwSoyttxz6MAQLqamalXXit5C9E8qs-1739150158-1.0.1.1-ReIPgzZ6AR9qlHiVPVFCMI6DhiEjAvnjqvPJPAg.0Hw",md: "U9ZTRC9VUO2RNBJ9OSy9DfxW9PZ2SAxkT59KonT5y8s-1739150158-1.2.1.1-ZlTiYgY8sverurhjgrHnQfC_Jfr5zQhqd7M05Zz14CULP3YsXlirM5NngPcXnn6ic5ieXDKQbSEwPEks0Xzu1cpGsMeov0jKTf5Sg5BH_KNRbVyaT6CCXxoaV4hu5bF2iE4ytus55nTGnvM16xE6sSiNsfzrXJ.ZhrjEEaaxTM5Ywyy2ZMG5.h5vDQyrXXbNNuUBz8wskUslrjgvEoak7CjX_QU.mHTzaHkFQOEHacb8lUdIHuxKWyPWn6NqCCYlWG.I04ttedm5kA1Q7g1yiYomjww3BcreAGywsKbZ3K73OYWbe5qpnDgLx.jbaMiiAUO5HHC.VKkdJbUvRsfyH6xWnVmZ_FEzXsLSl79c9mGxosKgV5N8wNHASCh_gLRsq1mr_tCLEBz980ohFFzZVjC2bn7EoP9l4IsFNqKYncZq3mnlSolLqa2OFJHc4PKdB2zErRz89uvIO8Meb06tEr612ag5AvDKetF61Z7xpLUeG8v1sK1raQuN262G8sEOBfF7Bb9L9tZiKvLT.IRQm3gGc.vQE5dg0NKdUDubvuV5WWHjBia4hkLAubOWvanVQdF2_cvXav7OwR6w3zLRV5ozDdLvdv.r69Rat51Q0PfdF1KZ_2mK5qcEZld9xLs20kysB4eWNqeJcegymYoPRBUmLdu89dDRV3EO1Knv1Tv0Wh8Xx_Ll1Oo_qHbVp8IuHEtn40c6MZQpDoaTlCykE6KBV4QJSML_HM2pYLRRd0eFRa7FHTDD6tZJWIzI62AqjKBjwGWtIphyyEiPK2PzWO.BEJCmytc2gnqwM9Jee.qrO4EiBiAzYv6o6ghMVb3y46wyXkHXWitTpCyJt8_N3RRFXYtJIJbI4pDkbyxDKsJbKiRMLb0MtqE_5Lp4IlGfgS1OnBLxxayEA2xGxH2MoD8YwCR9C30bgaRTCFf5mWFeSIsW2WTBDYuCxRizu2sPTYAIetpp9.5LN_EM7TrV2atgESTHQy3tETjdYt.hi_KUQSv3FksvkLQ9QCRaxff6nfPkK63d6.Q7aV_dS7yomnjxOUiSs_j6FuLJ87DHkcq3wX.BNo2wYxmL3IrYvpZG8VIENGkeU5ZWtMuEQQqcJnpjOzvh.46Uix6coL_YNA7t04TzXMD2xcpWtAGUAjxVhXpKUtQoTBY27fOW9RMn8pkTu7B7uYdPxOKzDXsPfGmH2BYKEB1Qe4NLURZtv5JGeU85fblWo7rIfI63b4ZrSbTB2379ydV5KRBk.bdbFIb8vUOS7IALvHVSb7Mj2IiVDHTfj9k6dt5Y5S5.9w95T8NGznikfroA4gTiCjw.ouzyxyl4zDQIKQwGukjvq536eCD62gelTymocs2sDDRZOPMy6Qb.FbIBsxWZxb_isMZTF_t_JCaukefUW.lORGmr9F3kLxgTANHJQnzRHkQSRA7LKnGzo0V6wRYliX.o.vru8fd_fXrzT65pf8dVh9ymOWOdLhnEGRX0s0C.5Mdqr9GohzasFhHHTJMwZHHftDDO5rxP_Qudp_ZXQk0ND.4vkU_UDdgVqHArjiqkeypm1OKtL7yFraqAt2IS1MC8t.aGB3ml0bHnVSY7Lp6uWMJGNXK9BqSYFQzzjJoAqPcJQHy2z8HiindE25Ck9u8l8vWHvdFEXS1E7uNtS0INkPZj08PYj5RrZ6FrqFZn5LCQLiU_ubWEmM5vkdpw8oFNvu9cwwh0qZxuP4iJfS3.x2dJyHX4shBheWMBMRfquFUYW.XOQnxs86I2yzMEMTt1MvzhVSqa161ExqVHKSe41WXMWcSs.b9Vu6wmUmFoZTfcZPUosLC0gyFABrZ8GZu0dQKzXjSFNyb4BEYlaKjP6sZZqQS5l0KEkNMc1tLlvqFewGNRpbiZE8ziQzf4JvjxFQPIrtwYBMYLLuCg4BYvqWaiaImu_xHBwR9W6L08cy2DguwGwsBsTUKwKuREiyTtCyshIofDQ8TsE_3y791yIhZDsXuwaLyWlcs5HbMgKiRk_U4AYKrkmq17BtARwhBD9_A0beh_GDLrlBdtQfRG50W6JEfpZH87QxWUMCAVkQLHKVrbIFciUldE4sEC7x0PDKqRHSTxzyi0N.ICQ.n3t4ZvcN.Wg_PiX15_VQroT1voYbbT2QMXuaw6YPMAC7Nar7pxPOuRkc1DrpL_n_vRtRAeEJJ.qQOYTxP4wqypmmmNsl0hH3Sd1jZXFP8ANNwbn2bMXLO2reIU7jVZgbLTNmTS",mdrd: "UMw20902ugTUIYF2GNi6KuWp9.W6LfQJUQNDSN9Yss8-1739150158-1.2.1.1-hw8.LagLtO.5DDbzm00KHN.TSdqhe54HrIyFG5yM09Xm59m7XVZWQfOAvALAOC.m5eV6Xw6mDcUt9c_UyPfljjcHtluWYM6LOJS8rJdfZM2mDwHE2SqWqGzKp8cFgPzA1ChlOf_XsxZKw80vwTXx3rbm8ADt2xqPgzqal29G5_5JTkd18UWvkqjAM25ZBktWdUbbtLsmpHNpx6I65gvDDMBv2UiQG_6YxuP4N6vypecq5wTCQEgvohtxJHwelSR_EFk98JSMP7zzE2aVIZwh7Ki1zgo7xz1RvO3ZxT3zGo320w1a.32VSeOGLFGshZONJcxqjuSwScsav4rYuXTfNA4.UV3LGWQl8sxZCYdFSaJUgKw5XG1NPRRQM3OIM0GGIjhhWBPUWnHYK31dL3mDCgg9PzLHYxMr3O2icpCViXYcwXI8MOB6JunIZHH4PUhV4sUdBJhliinFREsg5fn8aIyPqC0kYjphAixajhoRhARJj2kni23ZwhXKgoDtNdh.jDdCZLxptYICKcaOQ1SjoNXwPk4dwWkuVeaSp3Fn9fYL8ExST3ZePDFnKVk3axF1q1DGwYgQgVWR2Qog107tudjLc1ZN6HayASbvti6rbSq8ry.VBQSzHBxDM2iEdaCL6bY7sV0WmfkF28TkcxfRqEMdaoGXUA6IG8aqd51WPoqYapEx0bTmuzRiMiH5dyrEOC5jt1ndz2ln4bNRIAFu2n3NbtywzeSDxXt_Pgh9Lp9RXmmyT40b1NYc7mbhFZ5TaYPFM2xzEgDBxR4nEldqgjKmcK2mMjJHu0RH.zZzqxMaFIOSP1etgZlL9paba1FGBq9vmow2p0oNCx3y1MOSy5NhZ18LAL9u.W8jnLk79v05FeskU9N.1f0FVw9ATbG.cGBXg6KN6VAQllnKrYDdSg9yewSw6HL5bOF9VCLJc.usGu.snv_GeFiFohGwCwEePVfGvRvsVX0DUaKIciM6g6mLLJGOVXnq_YCtUFfr8Rvg0CorsXRDhEHX3SwVA3U5Rtg_rq5CiTYN7J8yFu3CUL6w864lmXrb88Go.XqmRlLltHiYgwuor1Z.Kn7RlogXcsg2DyFYdsJC_VxRJkPx5KAPx9lrN4h4UBm70OzcezK056tITlQHvp6pWae6hNBHTVR6uCb5zm3LUysJ9J6Yl1cyHJ5jOz7zwFRa5sZoHDvYWp56sdWWys.g_4kn_tL31HmIgQynk00bHgt7v_W5GVB98ekdGK59tD1EbfHoQif8nbnhknPntfU_XY02PiyhYe3wLHRWBSbT4HYPvM7YCMjtRY8_MxXCXOBhHIGs89VRcA7ewONDLt9CGFm6zNwaWYsmOPCEVOY7SAGIoESsbCWLZgnD80piWU8jWYGdCP3XqlRgyaHVvHffAnCRXKeycDsUbAweZcnPH2DEMOOhQ2M9CFn4cX3wvmFb08M3kixUGyxOMoaXgFlNUHkaoQTmeg4e1LWz2Qo8P6Yer0eOJiyIwaiAqvBLNlMQ0Qrc3k7CBqQ1J6TDUKChp_iTVu6xWRBDeVK38qW0RiYRhFNWSsdIs5dlWsxzV4.2thSMeSYTBL20IFSK5lw2BE5HXwKxXVB.04srsmuayP_Upe4grm4ZwMZzNgBeXHt6KWZvjDE58mgYD.Vk.0NfurqtuHzqHsahezxNpJhxObnn4etW5vfLAgal6CV3OiIRJi4blaFgRrLfalmQH.RhkJQCtzOA7GKGLChI4rUjU8EVTmrV2pD8t3eB6CPWComLfP2KX0Mekim9wnK4hmv_ogjQgkaP"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f84048e9b2c981';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\/1468029753?__cf_chl_rt_tk=YVQ1u9IyWwf0iKwSoyttxz6MAQLqamalXXit5C9E8qs-1739150158-1.0.1.1-ReIPgzZ6AR9qlHiVPVFCMI6DhiEjAvnjqvPJPAg.0Hw" + 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