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-559552970955.mit-edu.top/post/1852934607

  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-559552970955.mit-edu.top",cType: 'managed',cRay: '9112b7341f56dda6',cH: 'SHHKx.qfIDyy6CwPgg.ENlaSRnNY.NXfly0Z.LKd1mQ-1739427658-1.2.1.1-NFSj1ORNx7zEvIXnsQh4DIKVoRDaQO3oQM0.wtw6ftg7qou8q0vHObr7SJNW8CDO',cUPMDTk: "\/post\/1852934607?__cf_chl_tk=P9p3j0jnRRvnasQJokdfCHaICJgzv5qm1lqv.Ew9Jrc-1739427658-1.0.1.1-OPyFCk1WonoWSpMcSjZbs.eyVAGFj4htfnsE761lnkI",cFPWv: 'b',cITimeS: '1739427658',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1852934607?__cf_chl_f_tk=P9p3j0jnRRvnasQJokdfCHaICJgzv5qm1lqv.Ew9Jrc-1739427658-1.0.1.1-OPyFCk1WonoWSpMcSjZbs.eyVAGFj4htfnsE761lnkI",md: "tmbX.gS6Uc7lOZnHTgydCghn0SVRYQ1wLY9qZGxkUMc-1739427658-1.2.1.1-adQfy4UcfMSaKX6DRPfvOCJ4pGHDzwlmHuz0RTZn2yrrk78cj0XNEuxVVYbmb7Q4Igy1evW1EtIPq._aEI74bWK5MANkmiJl04QbMx5tCTnkx7nf_cPiUQci19qjJKvVeRr1GN1ApoFY_7Ca5N00KbrQY38IVu0Y9E_JPJqs_dwE545vQe.qQfHXonb1wpSEg3guExDr9Z33m_dYa37fndaYyXWoFQoCghXrQxqgcQI.cUF2sv1bHI_MSAQ7eBM_W8M7p8_19T8RQyQWRWN3lAUJMFM4keZssOQjv5QDgquFjJRl70p1zMXhr3HNY8e8WsJA.1Uko3z3Pd_WROG42FUp7huHzul42.cTwlRZ0pw_npBTsFOV47ivehahyVVt5hvbDixiQwXa7cpPL9_U.eyr4yOq1jIRjR5mimDmDvPJumYpI.wFBNczIL.HOtbIj8fziMfp3ehQWARh0JkyZoqQAkMemlS6.Ltc7MpOq9LY4iUQfXgJVzpwRgz3NrM_wtHixdS6ujDq0kNc7PzUGKKZPRI0JO62Tr8Eh7Q.6h5J_ht_erzUcMuYr121w0.WqWtvpjiukZ_hcJtgVdrvK5hKBjKVI5o6RD2RyCJK0exIUQVHcfyUXMKWr5ATUT33zePEBnYb5fTFsHsN6im8mXzXfACVB09oQ3RIakNXXkdpqXAlP1Ty3754hoPqYEJQ6LnYld0hELvnzQmw8XT2K3sw0UkU3GZ5rc9cWeWLiG4O7KaAUoj6ZVQRqK4zYwzjbrOKAE1pBjhOSLOKc5LCtQxgQQwqUYix5Pu8s3KFUzg3ZMIGpnQMTf4aEQ3ofxAR2NkgjhZZihxoau2_ng6KgN0nu734SH3R6HOavR1LDOBIfNKuSL2se6E4f7Z8e8b0E8GzREk5sCZUb2qOnQMIlUZspFB6lSiYflLi2NiaeGgFPPDiCpxDkx03O1Jfj3RKTlq1U6DCrxC5crf7k_kdTdd7ljX3KnpjNsBUvb40xifOr951B4P1aSVo0eCofl67AxbrVy07.VbidQxgM8tTSQs._VBVk6wfecxI5G3yU3k7ylZniHc6o6i9xMwFkQUUwLpAsaimVAkV8OWGSpBj8aOjYAPina4cTFB63d.ywhxFpGAhn0qMSslMSzHmSPCIR3a1UXKNZkHdOkmnZvV9J9Diekz._kuXpWsEcvBseEmZFd8yIVjV830qf6NiTB9W1qT_RsHpXLvJbVHbJB3aBBs0wa_9jYptgsatXGjpGJQa3T0wrtO1dXyTDUcFiC1WGSYoYlWkGaYmGoRp4nvCrXn8i6r7cPDZrNTydPUPxZVNEnJxJqMt2effqi30ACepnKRXMISmnH0fRx4TLgb4K3AMr9j4WQwlpz.sZaHEN9jwHfgSePCcd3zw.7.W7VBgXtUy3fPZKbIJSETzKeENg3E5z_66CGIHkqEx7xu_ivVAs7p7mee5sp3ykHAUdihp0zLmllaGY0J4AZXWnw9WZw3I.lxksa1xRTgqAX.iYkps7Qlzst9V_dpfPp5twid3BC1BM4.8HNH.47ccLjQBNetY0G_jWMvgoshZcdBYh3FKX8A3uuFgxg2VWouyBrHhEbNl4m042H_M08HvTK7ahmxXJxq.HyaOutxc34LHuHPuSgY9o7XkLD84VfHA4euyqwC5.d4GBpL.7NXQD2a0gCg5dg1W5b4244X8G5dNa7TwQbvhYBAKmixbR.2fCiZPZKKViZ6ZH41Yg5dvfE60NBmmuo6e0tQQ7EZ4EWpYSjWFSBHFJo0hG2f9.RVua1h5QVXwkLBzWRTvF7rVuEvVedtd.pa72Fm3UP3_8wx7Kbc4wA14Zc_DWgEa04qR_rZ4f6aKD5yWtm.M05L71rVYaICsymZvxK1_q.7TB7a1BegkgcmBgX_e1aqPP2YfDYUVrnkXHyaZBCahG2B8Bv9n7ZbETdIo75Th8cZ62xhCtmQWaPBWeXf_drLUTTkwGJ0NHWt3GJwsFGWaJwCsKyz_NQRVvERcme7b6Xd9hD5Jb1XGxhAY96CzDNVtRCHh.xRSw09pc63B_wNPe4PQrago4a4dOTAzjvaAJlaAK6kUri19k8Zinj_C8iecigwy52G_sUUci_dj15.GHKadv3VLLTnQDI2CtqC14ax2XJF_6Uw5ymm1WPluEieMU4az3oOBVQskWIRXSe8wd62LZaQ1eOGbzrscHlkB2Og_MJvfXXfl3rAEnMV61HVXLG_JYFRn",mdrd: "aBDCHAkB4.h5Is.9l6nAgkk31otcmA5WyGYX61FYQ0I-1739427658-1.2.1.1-d1yQx2HZr118g1K.zu3HKiCKCwy.dkEKWf2zgZl18H97F0y.c3Jbad72GkY7HqMIXZE5CHSVn.Juk8nWe643rFNg.CstIv3ukCSHrTyrZ4bxEgBoOTzKjFf8S6z8PTYEAdM9X.ncZ3ew4HPdyvws6LeeNnRk.dC_HTvzr7a7_9zWLIaAC2qg4oMWzUWjfv5f63eWsDiX9eEYIp8.MZTpkzBggWEbbLIntG2ksXHN_8UMoRPR7OTwS3dWtgT2lffujVKoEhFJYhT3h2.0pDeGARsSsMxHi.oUV7S39TAi10aqOjdfzCb88A2ziN1j5JEdYImQ.8ha2LPOGIGkEFG1Rn2brpKLXfwzIJmPGxq6R.1HiWX2vN8_JYYt4V1onKtP.uel.DvUuTlLKkfjOoch3qJsqV_cKGFaiW5v8kds29RwDi1fXR_DwKlui_T6BcWAEHHtDuJcc2JuEMMFi2X2U7RIi3dDajT_uzsYdkkNUUooxlkgTyF5zIYSPbU08T0keUIfVNrVLU2bVC9mCirBFhw27Sw1GtyGI6jE_F9tCFK3g1TsnEhhjM6cqPLii_Do4z6l6zKCd29ETNnbhcYEQk5tngzjN2Y1Nu7B42dGID42QECR2CBO2_6QI5hOoXRagCdQML0LaHmZZryyn7FBjN5tqQLSiZ2KHlpY3O.qYkM.l6derSY0lhV1ePIlu6LApgzOVe_bqV6LiGJYUjyObdqJNAoDbsaphlm4WtJmYSc8ynvBcjAPqjTpSKFxCwp0n_mAwSsXDlDNdAKGWDPXnnK2W_tg1qzTUITBM1u3GBIaZDLMKpmp8wLbMw8pxNl.X.hROhhsDn9wMTXwGjTNDWQTH_9p_ZJ8PKHWWN7eo.j_WmERCD923SNPEDCvrgw_AzrnPv4RDNMFIuWIFcAbyqz1VidOEX7kmeQqhGVTMAzPEnVbloJ7LLKsd6Mw12c3HLMdGW1wKt.IeuEiWOylxqnRxBPkol.lMX4_24uV7AvXSz.NKUwWwdW8S9d6B2x3CsJtDnCfXvQ37D7TAOORYxqDabd_y80IK8LM.mh8wNIMWS2V0WQpQCVTZnmJmijkgDm0.Ldl_RUt55XQU9PwmoSePuTOyBpg6HbfRyTIf4LiROn1B3wz51oekN9V_kcUyDqKFq6cjnbGfQShs5fo0vWu2Y2GSGLQLBfaM.msLnUZSnO.E74IhSeebLqHGDb1qlO2qyH4cuV1BuHUpjRR4LvqswJ1ZkBabD6BbcxeLYZfMk2C.7s4PZ2nTrsXkJLjt_XuEn8f9Wwhar_yGQMCYcHNeFuWZwxzGa0oQca5YXS_il9wyRiZwl5D4oTlkjfyb6b_KsFAiY3ihXJv4vgJ0ulVdoVMjFxcW1ZnCSC3v5ElbWkpStvvC2olZKQkfmNJD2vDwBGPRvhbva.4sBfHHFVvykU_gzs3jf9MLYi_AKOzFqzbpUNNWJs4JKs8kwrHlN1XfsjC6UQWiUk3xiK5B3Vu1nEc_6wPNEdQ45xc6.ejk06imPJViFWsbOdn2St.mpfhOvstOu7xxMqG2JZfe3GxNJe_8IelZod9dy8RC9D3OnsWD4YmM5oizg51adglbKMmUwFAft.VqjXe9X1hZvX7IXM31IcWWvrGjwCg2BRsmgtu1TslV_1NOtNXaZpbP79vJ5OFTJLG29Fei_uMtz41Hkzs8z_vfsq_HRvyh51P0BYVWtrh3gjnC9G_Mq9fLiz67lDdnh.WMu25pBPAQoWzaCX2VVH_zoZ1_UkMf_P53V7U0YGysr_AUAyNIG8XszjVAqC4uSUsxFhrNTCtumY9ZDVxZIHiFbLdt53zSOKwT65G9cP3i2Ckp8V7qHSh"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9112b7341f56dda6';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\/1852934607?__cf_chl_rt_tk=P9p3j0jnRRvnasQJokdfCHaICJgzv5qm1lqv.Ew9Jrc-1739427658-1.0.1.1-OPyFCk1WonoWSpMcSjZbs.eyVAGFj4htfnsE761lnkI" + 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