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-446454642517.mit-edu.top/post/9271584036

  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-446454642517.mit-edu.top",cType: 'managed',cRay: '91103a2dbb953b4a',cH: 'IgBzoZ6U8S9QJHqYCJsZkdkjDouxSzTK_QJSYXviiZU-1739401566-1.2.1.1-MXYiMKi36AF06S2ZtKRm_K30KrTk.Z_jaP7gX8ZHbTg1oGkE4ngFE_F88LJcDX44',cUPMDTk: "\/post\/9271584036?__cf_chl_tk=jBL_wRPr86jcJsgwdzkF9SBzT_D7EOIRssYBuiimLVQ-1739401566-1.0.1.1-DdZoMk6p5ZTnGV2eiUcLlA0otdLP53.Owvq_OWF9NA0",cFPWv: 'b',cITimeS: '1739401566',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9271584036?__cf_chl_f_tk=jBL_wRPr86jcJsgwdzkF9SBzT_D7EOIRssYBuiimLVQ-1739401566-1.0.1.1-DdZoMk6p5ZTnGV2eiUcLlA0otdLP53.Owvq_OWF9NA0",md: "DisopHvWYY8gfCYnzbm3YHBZcVYszBIjV48OxeOj6tc-1739401566-1.2.1.1-vqaLgjAFyihTsD31yiuyUd.h8Ghhtsb6WxQUk8wFLM.P58_jwHli_.GKdrgd9Uv4cUP2nSIa5iMf7UUxrqlSgd79ofLy2ZC6dMpyUWtmQ1KXKqwudcY5ttMNcWTc0.Wf5WhDNz4VQIKmz0jOJgXWoJAnNDRpAMrRPCdL.u7Soqvsets3OkgsXOolEQVayXQ27YVcXW2dS0XwS_S53Mmere3pR9xg74IN9klTsZCE4vXa5CcN67s0DOL3.a6R2943JGL0aUQqXe6p8YIlORtKjRivSSbljb5shvu5KMp1CihswVJZB5gcppPdiSfTpzp03tn1Xfv6Yn0059h6JK9JNx6iF0_b0O8URFdIVKO6.aj3suONtfX1PJlTkIL_fVc7inChchiY5hXoi78JT3Rr_hZdiUIjgvsvBX_3pE7.J2xD69CoLpBecPmK2yeV.ig6PnfAR54NhmYfMwy8uzw0XCHn5P60TXih_Hiy90d0h0CKRlfCCKLf.TrwpF1yDz3a.e529grDfnyJR8fL7DZqM1v9p4nZyt3EhsWWjhFv_myG_Y_BBntJWZVpFcJhm5iEHWTh0bAZVQO0o.HoyaY2luW9uoKfH_vHmBurqonyWgGwcepWhoOwNqcI8P8tDRnTqaUnXJiom36w7ETaZ72lYf86twoAdSS2I2pdzEIaT9Uz8BERJNhOW.om6hIXNQsTyneW1Zl.1ajHNZ7mBMggsW64Nb1xKkh9h_4N7VbqulBxq8ktrhtEo3mgMpxLRvQHSNKWfHwS6cD_fLqq3JdyjDkcjPGPCRWe6ccS8H2JzGHUdfD4205JaQdOmWoJv3Emq5f8wE2cEqO6GCYMAwERbd5yVr6j13AKLxTTZHln6WDANqXAkQYUAeDn2gyc.0CughLC5MRJAXZ0FSPfvtH8.bM7_g1xlvpFX9Is3u5M.B_WU7BXu99XBTL3L7ceI402ZsEbd6uCLMGx0U39.aJKuQCYYRRXnHS.HFiWezLfAr26OpXQ2PQS2ht4iZS4SnaO_CE_V4tOCJUDAWTbec2TtEACZbBTAmedg3WjZh5VPbnQjdG8hJ._CsoTwRS2RMctxgh2rRCGFe21LNTaUNxjG7TXB6.68GmfNAQSJ6onRwf.sCGTSVAaq11uMMJwYO7bIQk4gXHz78KvuQv.Lpo5oMP_0cKtmwGoAjyG9YO4V._x4VLFCa33GgwpHWqsoKtHauHTin9qjnvm6bSwWFr6mPqwrNv872a_LrSi1nHuu0HkOpjbEFsNCjtdb32GCYO1sWldQWRpTbwwVnDgoP5l5H.6oFbzJ45UGsMO6cDfp.tG0CldEyBgVGalls05fKzPKDN63WdI5J7s.iPRV3UVmEq8_nq.Hp9HkODq9.PsLAJadgkDdbooR9EMtV4VC6XlIDVKmLeoh0T1J65HyID5nXm21t6Yj4mslwPoh5Z7xIaizrAbHrY1YfdhVbSNCoHFVobaGkU2RmKQfXV5mAeLfHXPj20SOKQgPN71j9uDn83uXE29X8Fau4b9JSz7C8DV.WVqzi7wqQlQ75rUNKBDSuTmocmU5b243k3OjzX55AHqJhOAxyy6H6h9lKVUhNQVC6.dFYWuy86rrc_qju3r8qIOxHVsBBG7SXh7kdUnDfHrAs.d2LyKdfvbkGOZ84bVDW5z80o.3MEdpnRtrgM04AKMErfcstjXfo18GUw.MNOgK95tH9lY9Qglu1fKcRQu1D4M2PmdlAfk2RwMzKc9jinONtI0vXEEhXTcq4wKKpaGBPt_C20U_uviKgFxmDooNZ86BO9MNbn7IrRUJtsy63Hn.CovmLyRpgyNss6ALbvS4UQqLppr7rLGIycBLM..uzp7jWonKO2STeISyU6AnftiY4W5y8F.qopBrYh_5D93HjjrG2_bKqyxiPT3Qplly55nTd_e9wPJw3Q9zAkUXHsutVSTyxtLuWdy7InqRbLA6h2OrZbmiafobUdH_G4Huw0o68pDsTNO9IYVb9lA_o2lBOXDrlby061GiFkvDGjNxnQf9A0JakUHL63zCPNMqTR1NXDYtO6kH6kRv2N16uILSPYA0ZCkLuwqsO3MvoTravAQcgPo0ntuhB7__W3Jpsj79HeoMs.zJI3QM33e3q9o9vJ_t7r0dL98Sdujvv7Yp9KdK.1NUfhuwXjblgL_1MBd1qy1EvB_hvvEYiLz54O1mAUgt1K0ma8PfqGRAqOHtpsdIMRdVcayDmVlSO4D",mdrd: "9vJDEFPfTwM235vuMLMJKZAMTLerARvbdjc8eR2xOb8-1739401566-1.2.1.1-D6qUDqJDat4BwyGUxCG1feayDXZGdljExpvCq0mYdhbeqg2f0xVmb0ezVTV9Jlhha86OgO.gPRvKM8_ifFkLKk8hXISpNUCn6UkMlh8yiS.mxn2dxVgFghBIrFH1A.VqCR6L.5Mg2GNh6abP_pI5lFDaTeSBw2bqVnlaGYTUdYgey9M2ayOXdNwYRKwnwhydvHjYo0Uwd0wWblSeYy0tBOWVXA8B3r4VxAbFD6FVmXsOeO6eNyujwvNCOljrruuw0vumP3XKEBymAn44HoR2UaO0oFAlhF2o1MKQ163fHw.WCkV3EFSiB65tAdu_WFFr9Xs4Lm4MYaIH2x6iv8ViuHIn4ryTrW8Ki2FJpqymVVwmsYe7hRLyzbuY3YI9gGTL775DJ3AOnWZ6LvYBCDjY6ECYvaFAKbZAcf.KpME.PUK1L7HnOplvSDwbm1jU7G9Fp.GryIIUxoD7cl4wh7TbW10bC63cdRTxDR4sNflz7gEJWP36WwN8dN4rm1YH0lDMLd8E6H1wCHgJae0FXSJHzHOQDSKJJ8nUZ2wj3R4y97RGEch_zXgmi3WlUIu1uGhGtVTKTak5lV738MJjB5FT4G7DyiYqQUtRky.x49equgzKUV63_rOBP1U9l8ys7RJB3iURIha6p3RoOYtVlVU.AwlVbtnehE794DnIbkmbuHiGPZZo9DOS1ymMXVe9cb5_uYranME9uOTca8z.oXMs_SHuD6P3OIBZoZhI3.MPaNY_CxrvPinvKFY5ShVctAeKyP4LBj48Si_YpzgI3NsYpXbfTO26BvPFLqYpch232Sfg8mPamVe_SjQMKZBIc7huHHH8VN.GEg8sYFT3lncThdY2a4nJwVBZ7GGeQGHZayutDEod_rQ.ak4cwwqH5Vr3f_mMnsbZ_GbT_VMssf1cFhM.G8Xkkoo8JQAC_BYLS8WTZELq1e1xMQNt.ZYuaTtc9IFExEmmdYPa9qKrvokkIiMTVzGRVkzCtoevlOjPDTPU_cNULHD7uKCH.T0bqlzRuRee2WN4Q654sFzKBSRO2gzItHbMQAGP5Rb3pzxclqruy51t.69lUHLKacFy6ePv0zH9fclTs3T1pFi.scslrPFTne39bPGupXBDXejK8dz3g_cSsZ2nzk7UaQgdeN_aEgkG5_VvbdZULj9dFpBBCU8V12PfjqLeO6Jf5uCaE4k9tGyC_pAxLmK79pji5xl00Ne2Hc29aMTW._tU_4yvd3Ddu3E0_UaXa50WPdvGjWmtVWQL.qDIdTB5o4TPwFUtUDZB6Nx8wXiJ4VBCUB5oI9X_HpNopNn0a4XpWvUkcK1sO1Dpt9_FBDuAn2_N6rnJ6HMp0rWem0ljQE0WaswYSH1bcO5TxgH4PTksQVVxAMvo3W_W62Kl9eIQz04bOq7LSasYSt9zTlND6O8qb8Mmm82Xaegeiusyvy8gyCOKHrPo66MKuWA5D1llM3XUTqywwk8l6l8Owf9n3v2lZ4J3NuPs3dhsmCugJGQMM20OcgRjcPKe24NEbUjuxqhs34sRr1RvubvfQHJk7LJ7smvgj_eW8uo3IynlhO9Nob13PERbIqEYLjSRj2QVFNDUQ2zZIpHfDEITsLnA_uAV9OAQVW60wbOYrN8L.mGJYlOE8E9h9hVApNH937NLNQjdMcdnrwxqYz_VMSb9UZwgYG9PsCxBN8jM51UYEAzvjuiQRZijGnjOQxTLbQ8zM8ls8BBa1qHHMvZknu61wdON8uwLZV4yDZYXTpcB8lGCrYWekEiYJ_WHTXXozFs6zyOc_9ttuytJlatymHs8Juap0e_fCmwdvVgqiWE33N2HqGtvyZg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91103a2dbb953b4a';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\/9271584036?__cf_chl_rt_tk=jBL_wRPr86jcJsgwdzkF9SBzT_D7EOIRssYBuiimLVQ-1739401566-1.0.1.1-DdZoMk6p5ZTnGV2eiUcLlA0otdLP53.Owvq_OWF9NA0" + 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