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-528296803626.mit-edu.top/post/4860325197

  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-528296803626.mit-edu.top",cType: 'managed',cRay: '91103b133bda3961',cH: 'TTcIfebTPMvACkS7RmXM6MtAqo6VmfZ9rwlqmktuZ2k-1739401603-1.2.1.1-QJllSxTLoEucr9TOR39iSpXCcR9.aGTvZcAe3.mTdmii28q8v.alxrK1t9aoCDqx',cUPMDTk: "\/post\/4860325197?__cf_chl_tk=nXUaHln8Ee7LrCWa99A8euWLKvYaV0Wsf5i4_CmjPas-1739401603-1.0.1.1-GbD2LMXHV_dtDqlhAnTSa03lzNZgeWexZInD1qD6M6Y",cFPWv: 'b',cITimeS: '1739401603',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4860325197?__cf_chl_f_tk=nXUaHln8Ee7LrCWa99A8euWLKvYaV0Wsf5i4_CmjPas-1739401603-1.0.1.1-GbD2LMXHV_dtDqlhAnTSa03lzNZgeWexZInD1qD6M6Y",md: "vNaNzPvP_HkI3uimX6.Os.umXKj_Wun.8GWGkOXrk0E-1739401603-1.2.1.1-iZ.pu2nTVhDS9xhtlMOaGdJmOqkRyJLlMP1mBCJs3EjiiAXKuVM0lFGfoQxG2T5lG40bDDfITVNwEqZr0XqbGC9ynI7.tMgfGlKOElmHX_SMfebC6AQh9ckjKtZMQKTuhKncKgTfjP7FS.aHT8C82qrNPd415c2IWo4AkkNgyImtnxfAWIGraBwfuTq2V5FtINQRegyci5M5Q_KU5u0ZNtwO.Ymodf3Ook5JK0nlovBONTLqj30BFN06R3JkIb4s1uQFp6vuh80yF8HaRC0ViYPN.JoMx8alUal6vFyw0Elu_ZfXOw_OmFdxQ9tz1aZc9HHygTdH9RNPunIbzyYwC15yEc2YHOMtDGZA3kFPGUGOhAKkcP9odMGBQVeJxRw7As3ub2eYcb7OEP9.S14L.U54Q_kCWtyEAmLRejFk8Ygx9B68dPybV08tyR2Zv7XnYQKmXs3.1ZQVZkMRfVQ8ttYtC7uBCrTE48NiHEmZy_PDbwXptCtSgCswoYs6IE1KFS8JH3x8aSnofACMchdgqX9UTxJMgWAi7orIl5TlPiZLFccE9pR9o_zTOLL0syD62ropCU0Aj6Gx4JNPUkl4YEwbC4gHyF2Og8HZgmcWRQN6wMgK.QwbDDU8m6GoXqZ06JjACGcv90YAiikbUuXsrqvnYZAQ86pwtrexXRg_riPaNhwVi_fufojA8VRIc.BT0sx_kNNHyR9Av4O9u39M5IeM11IHI8gXvYcS6PZ8LSXt5FsDGwbH5Szrkiz4UivnIn_KmKQW4q96gBUaQB2.RTA27rHpGCgYqx3ab3itCKsRPVKUYvgpJ1IbD5DSaMMBhOelGRmz50AJtN53DanoV9A9dSi14bq8zkdzWB1YxKwhmDj6ond41u1Sw6z_daVPiVVxI0N3YF3MXlncilqQAWlOnZGeHDkwTIQIt2xN40QNJLnYi7jkyhoiW.mdJ.y1Ys1_1k2ggzYdo3RL2Fu4CsQn5kKU.a_rHhkhrwpOJHhIMj_ITnRT9Iij7eX5OjmG4FltK3UR0wgJqeC4VFcLE5b.o7Mt1KfAuZ4.DnVbdubo8IL_gkvODTFf1S3.zUTaKVSRpYOddZvyhb3YrbwTvNCNvfnTS0bsTgjPkXNk_z_x9yFNOHuVuTz4JAMDyOJPl3NCMk4DX8skbdFFoiCAUtLZMIebLqDqXHwpmN6N0fWzUBuw6MZqiEdrcQfJgMnDpHLwS9VaxYg15KyErYyFOeckSMsos.Eq1pRUH4LpZ_.o.ozHU1oZdLSYyuUxIL6qkx23_NuFer0CgUv9bnM4.2fQj2xLQQKxZE5TG6Nm9B2BXy_4Yfnz4EGBDFdTyNa6auSNkhJTCeErlTxNeUPpcowy.uqtmaQ9K4U6A5hng6pgjCIY3rU8soJztrXMak53ry6kOZUZu.nrzWT82jivIqhKRo.GPT0kAY6xI5hqUwY7ElrSi9za7LFW8kbIvxCVrsWcvVOZuvp9Z8sGlFHXUQTnxDgEY0ZJGhnILmi4IWbEux8tJqhu1QzftTxOGbZgjcfsycsoz4DudjhTJjaSSyeBmzWhFRsPCVFYmAvThkw9zjYnVr4fI96QdJG8E3yej7dkCp7cw1dOA3muib6Bl0a1uFPOetnR8r0NoqmuEk4FVhFv0qe1FYcqunKS32MdzVgG5f2BTWpbV5zbp646cKYKjUtbIw0ldPTLScfy_0.DyX7sure_NzzPFOlHxZHOksrznHCFkmDlnUgssQmHSx6qIGSs2MIBRb2iNETBzcbbzClGQ.hvwGwJY3mnKHQiXSSDk1ZnZSTmoVvyqptdnt3kGHBSEwn5Bk7zy1LL579dXEdlH6PF.J_wSHC1g6wrd1snmbRyiXWa7oZ.qincU67kLUcEdH2jyE0vBDUoSN0XWZr4WnCTRbwGH3HN.sAhnxFoeeZLmhRnnXXQ.8AZvFTeXY4MJxmaCNkqMeuWCbmUngND7ytyt_l3bOEe4TGTDtUVW2DYGPJMohelJD2lc0CyQmIoNAoLILxxFxvPDloUFZ5qbTxtB_CEYt3qoe5OYfHTriN01HmkOTerJ088yQ5x8JCqWLvXYxLoRRt0q_zN5VKF6sky6Qi_f.O9UydA7lykLJpmM8EoKVIMAhqVNLVK6AX63cYKFWMYmAIm00p0wmyBbLbSZXHlsbjkH9aQrZFZ0G_l7kYjFX6CGA1AUfNogOYShwsXZVc9w51q3_xp9FFX69Az8vrBPNILglXm",mdrd: "n0BLibQXnVh2y2glxbZKWFogVKqM9TqAeufPT85pHx8-1739401603-1.2.1.1-ZndCi3Lkv4h8m1ODNeNtEzYTnICslTWvd3SrGFUZBMWUFt1nqU.ARyPCvFQ1DkkilH1WqoxmtxNTELUKMTKIQgeVBhlg7mCBwd6jyjnbD3V3kkXyaCapDYnKiB9tUlFUJRr_cHzzysufCVwttPDlJ0_uVwGNoblqaGT6Luay3dvLj66v3XoIVjFooSaIiYhvIiZGZySb6LQWMlcNUcaa7362n7pdjAL7uMVgOrWmajmq5SmSjOgLcUv2M2rEQq0OCRzD9DNueFx5ICVsCLPREAYGobNqD.N8xLF8HDn1rs.01HtNclwtSK_AKHdfXxXXBM0pMWh_QtvWAiOSlRmFWxLSeFhz0zCUhHfYqg.RdTGVMQJxYvohBmF4.ZiVZE3P6tixY7Ti9In6dyLa3GJyOfxfB_lrxDcYQgAMwLwmkuN_SgOn7vMP4YZIuI1eZuivXJYqlYORdZ0f7haseirz61yUwQ.efq08E8TqHWjngjnF9qnc5lTYSQmBw_wYbNz71Cv0tyHb7JvyIHwMSy1krG9Om_j2L_TJYVT5uQcYf0p4UIRLzFUmsUErkgtQiywL6psYdOVpH5DXYQRKPLrMznD7kDozrsXlA5sB4kF1j_fC48hcy6.0L2BvXF96kklQmoBJru_LSmPRZ3mcjma1eobl7.i.do6LghJVIiHYPmsRIk_4552tqdgmgV2XsFudtiiw2BC1KZvZCL7znNsQ.twbDxZmB.C8cwgRy9bGdRnFMSJ5bYtDI2ExJT9CgAokDTk6MXx7BjPT8DKDP4sm7Z5firCPOUvDGVgMVhsAxpPwJjJfbCxaaboexq6OanlC_Wu40BvUjwF3kRGvklWUvNR5XlYJ4ieHUivMbGPQukFg9j7gsPZJB4v38CYrKMFPOsNNAEBrsS38kOmbvsDQXdi2HkXFCVTLANnFBASespj1CcwDKNPOaPbXkrbGcWPH7X1.SDc2awDsC0SM.axAW7e8zldiHL7RTgjJdHNWUP7Dy8eqnpMJSf7t0WUaFoAxT28rNb8TgLELUeo3XKTgiF0Wj2JLD8Uh_dYpmGA6g6lqXmMHq_5ArUXo23Odp8l1HHKiSpOkKpGYpdVmNVBwHKgh29JC9XS6naCRwTZsp_7XNKQEZy7O7DpDIHjfwxeAf7N_YvJY0N4zmXKsgFPmiBBIR4_yU_N0ubqah09t0g3Dyo7q9nlvW_9NCk8O2bjlUA9Po4pBqCbQ_J7mWyJz0tLzEW.nNQrYgr3lBgdOm_PNXXAXoi31JRlghXD9npuUcBPZ2g_S8WrICewcwj0Trl2YCLlZwJYoCHSzMaYvMfWDPsdyXQ8K_w0xXpu9momxrZlJEfuOpRPaoNCf0BWCrYeCRtzXzXkpxK.NIq1tynk6BjWPFJMM55o1egY8Ph7gT96Ig7T4Tgwjy0QcpJBLw1WCMgU4rJema5SQVRri6NKy2JW4BH8UohcPxJNddODWLxuN11lwO57h6XNNDiAy3KaVdU0hNN3kyoyk1DaCdzNAw4fFmv.dZ5zNXsI9c9RYMFaoTLuDkq4ak5zak0EowCIF6DXCnVXirA8XXoPqlwPfCkWukK8tfvBOdL.eh4H5VB7Xs7kVAyGuH.sp1eTcKX7X7xcvSFdiIvRckcjAMghTIfOLLr0ZhdQ8m7ZsFKdDsDfg1C3hMk_0Iw.6OKcsvrqCqt0cyYOfMjKfeI25zuMr0LURP2njm27uYR2kztVduDchfLt_PGhXGU8._MI7CaAvgsnQbEANfXt3fAc70JFJFTnQ6gEdL76o7FULoKwlxxEqB05RtLhfb0Lm7ChXpO0mgProRu7xb7BCqHjQi9BRFgvBaQTFfefel5ZJXaDO"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91103b133bda3961';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\/4860325197?__cf_chl_rt_tk=nXUaHln8Ee7LrCWa99A8euWLKvYaV0Wsf5i4_CmjPas-1739401603-1.0.1.1-GbD2LMXHV_dtDqlhAnTSa03lzNZgeWexZInD1qD6M6Y" + 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