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-3508276914.mit-edu.top/post/3961820547

  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-3508276914.mit-edu.top",cType: 'managed',cRay: '910ff9b90f4fd63d',cH: 'QImoBzGDaI2Ol33o51EoYHhYoRFSoGDgbvZM43oqhp4-1739398926-1.2.1.1-jWUQOmx9y5E3B3XBznf0TKfFoNpGUMrseHMWnu7umuhxM4yIDqPN.8R.wham94Zi',cUPMDTk: "\/post\/3961820547?__cf_chl_tk=zTP77xlMpNlnnzS6vyeFVWSymBpX7v1YLAzBbXPBfxg-1739398926-1.0.1.1-O6tRm9q2t1WNQ9Yj01A0tQkE7aFQIs79mwv227BFunk",cFPWv: 'b',cITimeS: '1739398926',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3961820547?__cf_chl_f_tk=zTP77xlMpNlnnzS6vyeFVWSymBpX7v1YLAzBbXPBfxg-1739398926-1.0.1.1-O6tRm9q2t1WNQ9Yj01A0tQkE7aFQIs79mwv227BFunk",md: "VwkppuXStm4Iymr65I69aJu1ISCxG4zH.kLnFY75KlM-1739398926-1.2.1.1-T.7UlZ70QhNqGOHco.yAl0ElOgatKctmk8hl1_gXO0Qu69nqo1qR827Szove.8e5StkCBcgPW3_7pTD2P2nfm.kauwHnqDMSyx8aa9BjGJmK230WMApDeYbNPLcKI4NSwxCRKcTGIXPdfGiRKGr6tdaXZrI6NLOMcsby7EAklkchXDmvOrzmJDBamUzr9KhRWD5warM.ZEV470CQLu7724bD5qS.fFbzMZLu65.5ni2dH4khsm7YmXk3yN5NMY5qU.FMcF8AERnrNo3nI8rL5NWxWioWPRuhwVHs69NZyv.O3at9DYiBkm5TjRQ6t4E4tVVjarmM1S_j0u330dAr5w1fKqqYE_OgGPv3w1IoOck3Y3TtKwE6pptxg3SBMY4BSHIyMu4akRymB9vk8.u_b_6IUMPrmo5ypEPIA5_SYimsBkCpb4z_wNvFw583dgkdQK712n129p0WF3QvHl0t1fsDsQ7OjycqJIX1yOWPnHvlyho5zFQ0diWi8ZbQ.7FPL9rTI5h0z9e9DwbR0oNYP1Qqt2m6zvRj2Krzmh2ClCSd63Vyf17pjZPzhkmAUq8yoj7gtqPUPqxWwL.hGz1750rW5dPfGamswEOFRZP_yy1_.maNQ98Im5xlYq1jpcGBur5AX2Dfklp9_GqCh0JHda83Z7.IpyAZ7AmwRSMy9yNEBaYx6MXJ3sw_YkVB5GzrpCXDAPhnMScVkQJtCRABcWV.02cU71YOSpXhI2cMlTt1gAtFTE6WNdYEQBTOMdQqpNK_Q76t_5gTUDJTlvR7kGRaYauzXCEA_xzbCFgPATQc.rOzy_87cInA0Ry3vUTP1gRaCIrSqxqmHqvvQXPeWqouO_H4WQJ5ui3QLufrGqBhLKSZaSafbfm3S0CLm7hGQRZgid3IGde9uv98q.ZP.OvA4FLqOhUvTmWrpr8HoA0iIuUlbn53xKg4xgEx6vzibTMkzoTgLBx.sxxS8FZLyhxJ4WB5IuGuoCXi2YCQrskYmd3DeHIv_ThhRsZu2xklhxGrY6yx2XtxhJwJrL9Fk5L94mRMJGOQmQwa4uBOyFutLEeZ4gtWz_WAnNEnbKVhV9P4XQZFF9M8NigwaB8Brh1dnXPc.oYd00_Rq1.F6DS97v_Z9ASBVpZ8GI0weKhfmuLzZIe6pViav2wOlXzMkSPodJhabo4twPr_KM6GgwKs9GuO1ytwp5fLsZWcUhuE4C.TxAbQHBq_cuwFLN5DH35XEAOB3DlV2BCSNyyYS1nfjaOwAz5EwJ2IWPzdmlGLWy2LXJFxjGExBwKsqL9B0im0QEcwgG5XOWpy8XBNfRP56lVn6lMgtC.Ma13_4sqHtQQaBvJbPj6ik6peqKWzIKiGrlXsDTSQUROIT4J7Z86XIKrW6fseR3gujBXa3hnHJT8XGMrGJYskvcKIDwXGicyhPJYL_6AQ1c4KT4sPZ6gAdJ6ls7bEOxsXf2w2_zS_G_jCKpWwC2GXapfJO6b_bnAQAB_RMtabj61wRir9ghjYgD7Hf2G_U4RZiPoiEWZvSKV4TcPo_SrbGfqoRCzwLd93OJHGb2l5kyOu_rkygFd6c9t1LMD4NCaL0CDU1js5wAyFtXI3W0gYGEgW5gZVQVhnSng1bybzvEAHjxFqIYy6Ln52WOFgM8Pij4auvXVKhIEH060wd00Tyffof15ThjSwVEr9H6rRBof182Pd0InH0USdXJO4gCOb8miHBaeeFnuqTubJVzLZNkcPI2BEIQ.eYoZpusGDieMbL9J2nVWdG6cqtixKsjpkGSVMmpvgSnwo6H_HYDotvi2FM7FCi6gH88UgmIon4x44BPFovNSwPtMem4l3vzZmDB2hFCT1ycKiI.RqqRMOvNQXkQuvHIrAtoXOzhhzbZ3EJUv7O9wxdbo3mQDMrX8DV.m4dPsbcsnnNOx6D.afurhryQT6fvABrDOIsqJRkM6cTm8UXQCU2VPfnv42EZ1pEfN0DgD1QhfHlZcz4Ge.4gs5.AZDJGpd4akAZ3ZdThvHzRAPeNzUZl3tXfHqCmSdDsxfoJLb2r1FvHkfyLB5tNlKNspt8W_BGXL0JIY50GJO1_183r_R.It8OqlYqUWAS6bok0czeFJTVlcH61cnlx2oyzlmgwnd0ydryJrAWDT4H1c9V5Yg4JESp0uLKX.OZib4mupBjByEAoeleHaClfAnn8v_.ZSfxDRCg56_6icu17SYqN6zCtzLGpDbPNL6YjVXwOr_",mdrd: "cUU9Gb2iiF79FkXGEvyUDzX2c0LAs_m4E_ierkL_HZc-1739398926-1.2.1.1-YNrmYcERMRMndfjAGCNugS19Nk630mW7NYwN9wIhqSaL6JMjgLXB0A07qdbgyPV36pSLZkdpP1rcuNynwVjo.1gM3PQZ9g_ClzvYnEIf4hB4Gr5WCsWzEWMVT0ZHpOGlKVK7ivcv0K6GNlmbpK4OxwULz21Kw59.eIkKa4RmJY3BfZkxeJYrsdEL.ryJ4FbHDEbGJ98fMCn2e9s33fmXr4WgVwFS4S1YsuU4hkBntMthZ8jLtQMUN7XGiVF9zg4D6Gm7NtgpDtwHrAixDsD1GM8ejqW1PgeZj01fS.ondpMCI95RE4HGJNXBWJ7EflEil9KMtoGvlYoEVE3NRHv4CMuVq77pySZvXVGE6fs027SJNUw0Gza7tuna.1pHaKaHLy1JyVGVpxqrUT_Jw1q5O8B6s5GMEACL6GrjzbCqsnN756x5YaHeaQesdWq10AloShIrbgO3jS62YBeOFmGyLFF56Qaqwes5y7u2ry1guQYsoBhRv3UacqJH_ZSDW1fDn20enrHONJ0qmJsti0ZHNNES7pI8H1PUyf07vyDkSiYJXoNbRNvcKZgfUP5uhT_h6naER6bJrcM_Q42bDzOz1bYJWLdRGvMAbLCJ4Bnnn5dQaslIp6v8mYANiqSDHMs8wKdPlFQLYbqmEhp.SUmEXSfoK0V7qa_qNK0nMoOCqRlD.2JUI7WQOLlOOzyblJnlnaSziGDbH4n5trF9oGxe8MrbA3xkSsvyKQQZGa3LZhBgifdxzOiOQNWWD6rLZ0g.B1iF3F0pn2dk_DBVIy36HaCmhnQTAEPYFQgy..bjIjp.991KAbtzVHmEODArrb9jBYAKifByGIDLX2Ch7B0wUYbtZI_yZ_6Yifc1eGQT8D82TFsQnKxmksoAlIWKw3VoimHuK9z5HzGTgOb7klNsq_aw5_edc10Ooqh25BrCBv2UJIaQR2UjCi0a4eEYkCip7py6eqMvpwkqdXaZgDU7s2CuXPEIyUoEqo6tgbcfG3DEgxkgGaqOWxcH2LL4DiPbBNfK7IE38H0BXMh.TlH_8d0zmlQSIlgl6LQIPI1ncPJ9DcnK1B.afSIFlWx4__1i4jwpf6aUnUNA5LRJdojs7EkH6WjxcHxmt5rk9CBwjzmsfEbq9Tp3rTdAts6zCS67ytk0TIv7uPlwMB2M7CJBcbA6ulVUoCZIHUHMWg7ll9NJnDjukR9J127DbkJY5y8m6ghtXVe08DbFloZBPnVDFClfa1WAKHffOxD2ptBDBURCaKIb4QjzmgTf5NJwlrmgBXWpWQxqnkWvY3BZFnBQHN22jyc3jvdqq9a49yyDAkEMol7Zm6uP0FN5_8kXts4UAN1GRaVki94F2JhWVP0k25SBvCx8W2RlAAJ9J_Y6RnbIP6AwxvoZ7pNfP4.iK96vWyUu8nKTA1Y.0aQ7k_wuGswU60M.cVaiYQy3jNA4iyFxBYwir2VAe9LJgbW453Rl9hM88Q.7qcREPdZxaai9ZEvQSKppLeOLP5X6swy231MFibE_pMeHDKZYf8oJRI1VPA2wpaYJ3D8n9kdcw9T7wI.VD_85AErZGSJoyzRkfhDY9dnVi3TFW..HgJ7WlSlnWib.dlzIrzHfp_b15vgNi9joTPLorjVtOC7E0wFBL1GVyKECD.ebO7fyJ5dBlzcla28kGnUhrOe7YJ5pTrwlhyBZUuXlUB9oaOaKs2fdZy9avbhaCL2gquuHCtjUIwaxO2J_DM0Wt1UT53OJl4d47DnRMV507qV.bStJV60CNs.QDvbBOSibfff0tfkyphCo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910ff9b90f4fd63d';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\/3961820547?__cf_chl_rt_tk=zTP77xlMpNlnnzS6vyeFVWSymBpX7v1YLAzBbXPBfxg-1739398926-1.0.1.1-O6tRm9q2t1WNQ9Yj01A0tQkE7aFQIs79mwv227BFunk" + 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