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-affyg7t69.mit-edu.top/post/3954817620

  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-affyg7t69.mit-edu.top",cType: 'managed',cRay: '90fb378c0b37c59d',cH: '3GR9IKDnv63fWBOPu_izUki1Mg.tO.gvmhATdMalEyg-1739181257-1.2.1.1-LFQoUfr_1aFFpsFAUNPnt_YOBoVLiY6m0pZF.0gDe7szdQF.f9axRfillPlWQRwa',cUPMDTk: "\/post\/3954817620?__cf_chl_tk=OB7phYyLfSwJdq4Fd1VgcDGHSwTBUFzqfQKhypt5Zdk-1739181257-1.0.1.1-wcPPvuV0heVwe7WO.008a0fOC0k3ANpRd6_xZv9ZxYQ",cFPWv: 'g',cITimeS: '1739181257',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3954817620?__cf_chl_f_tk=OB7phYyLfSwJdq4Fd1VgcDGHSwTBUFzqfQKhypt5Zdk-1739181257-1.0.1.1-wcPPvuV0heVwe7WO.008a0fOC0k3ANpRd6_xZv9ZxYQ",md: "FZJqw39zvbjIDeyhn_QuaK9R11OlJTXn4Bt6jmtJm4o-1739181257-1.2.1.1-i1E3T7EjYfgzh81p3tRi.MbItH0WcnseI_BcLDzAvkXw2CSy55D2i.aoOpkJX_G0QYGb2FtMMYet0m49TxdLFn3y8DY1QbI.IYwSe7hmIgtkG.l2MwVLkDErZlQHjVGZ90BG5btYohsvkIq4ufNcGy0Jt6MWsfIQP05EB8t299PycOeZ8EgAmRf_Y_f.kPimKE7.OpMIM1LfQ5VyWEu5vKzAOmVDo1G_6SCNIrv8pgG96NDOy4T8Fi4.zfQgNhs2uBlRBxnJp3qfj9opOPew11LBSKrgXF9mOk6sztCn8LWyrhHwwAVoSuXQ4DB2ZbysDUvudeVLEPHIxYJUWvjbMwMeJ94_Q5PhJnuIppuu2doF.LH.VaGzpkEux2bBIAhWJyTac5Ou2X1.XOMWpofoDJcCcvZbLW6dDDpeUmrEgEhjtFs_k8WajG4.xN0UzOXgUJ_CluWL70VZ.LK1RIf0HXLWjYvErAgpJjgQ14gEkj52NxVRueaPQmUObvvJqP0Msj1MGQJ9aZLllhODnwezFaSBQ9.ZMLqztMcf1pLCVTaaggMJZRylAWxYs1YSBns5zTi83GzQWU2Ikz0NytaCMkOiJcuhw8s4kxE6G90D6ywZpRnvStKouq8oMWWruLY57lTWJqKbahbtR8R7_vcsYRuA7.RtJJFx8BOI9c5nvvHAtdmFt6HnHTBr5nsLM8xGinpLYbVH3L4NeOnRSR34pk1bKR67M_IOGQOhmmq80A8SOKTNCZKzO2GMoemPNpDkE09WcpDJOY.RLpYSa7llm7G6Mo2dKZ3xqqsC9.ZWYj9GRdnNpUOMS6oqGXaiypY_sdZhMIeGjbhkl83PP9hgY6S0n1IPo64A2lohApAn9IfFtfp1m7XYU._Jh863VwbCz3zwUKVOGoySoKCmw7WffM5S2WJAdiJYhChFmts5GZtvj8k_.SE__i89usvF6DyiL7CQRjEvu19t74cVHsFgpZ5hdzgGSNkTfsF2YC3thgnMGbbXaPzQ8TFBVYMHA90yrgRp8txZTVPRE04BeciWspyX9jDi.ssv7l.O63HJusT7SDZfL_j4L.oxPDRYmn6w56vM2R1qI7YgO1FWZNFrz5Uy.xwuQHBEZiY9xj0iKqyoHx9j24HWRf_7Oaec8wrcX.OIiDHtCYWcHlC4wPoQY9P3rUvWGv3teytJrk3axKWHsGRTUWf_t2O0ywAyzuag7aX1JaRe0qhBJS6yWYjiTds_w8kKaPxjqbhkaNC1uwrsraEMi5bLucCTRlmoTJmDTkALHxL1nv2QT9ERMULdcG1IGQ52lTKyS1dXdSDP6pVwwFDCDuTtqDClXePVpVc79XR5nxTY19ZguHFzJYr4znADuUA04uRKPpnJVDaU67Zg1r6nGWlA0ilC6nwhXrbBOOeFfddBCXRPv.I1KV5P7Q3KoOxztekbUafe0D9PQduj7Zn2wnh2M767r60POiokfn0JNZs88FswCEluKOM20XEdQ4IYjqU6dG6KO4ggeSG8PzidvpPocNOOCqer102uZIxeGlWfTlrtTVbYYeTfVWgwRNR95rj3nsz._.gRbwVtjyh.PM74dF5_JlnrbDwXxbBJbUH3Kc4nwXmVzIOEME_FSqJhjsR9TRw8DXjhtJhONkglP63uwgELpfqiAWskBkbXMyKdqjBKDkwptjGJ7_JJbeZFBGiFsHDXqAnxVY..KYERcMyRub_15AZot3kZ_JUnfKHyMAecNHmZ49wGAK5TTkbOru4bvmKhAbXURklDDx5g4Ufskm5RR68BvE7GGZCfpL6OluiiR_Bt8ZZm0gXoCnX6AepkDrvB_Y5An5NdzFhqNidPf_aeleFipS9nuJ4VP.RSJltwZjt0PnAXFz_SKDoCfR_kODeujtoiUy_OQpsVZnMVf2tpHGTkiyv6yivOrN_FG2nqhKDFMuJP5PRLEHtTC73XawbPJ2wlNC3IqyS7ol6EOaJiZp5eZrC_9N8ahCDpd9Z3b8afzadg80dDdHAn6Fok7Fy3XoZLfp2TR6056ubK6GanJnnlM9eLTFS9jPsOOldG5.H9u0t0mW.FmyLaKFFcQalHOsnusXknnC7QY.Jw0FDECvXmlkb6rKHCFKJ.k3s59DGfSwlPnnNZMBWv5EsDkyT4BoTOaxAAYZV5yXtJsaCuF75nzPuk5U_KT1TUyhrwZuW2p6rp5.XDfLD1flPLZujK6xbxKlNoez1Q.GMJpG79flhF4H3Z",mdrd: "Mh.uog5oUWeNYlj0vWWGJdKmGhc8Xc8kLBHzv6czi1U-1739181257-1.2.1.1-r95xLGjAhV7mT_dgWhWJFd3DK4eiPJsaRYf0jHgE6ApX8WA1Kk2yuuAWV_JDTGi7JGFcautMbiRUqpUKrMKwfsJbp9vpzaxNS2zCHscMfyhvyTuzlPlbl3MhcPUVj7CazdKXXVi5GFBpFcQcoxU9sMh_wCsRLz1aqFb_wryxj6Vg31g33bZG65Zr68TpNoAg2.ONL08nFINicudd_YA4ovjfNJhocZt7HL9RcdGcKcraec0281FbsCjfwzpOAuVkV92.0GiaobQDXO6YD6T9y8As2qeBlB.kfPW420cdI_NU3CuQK3YIyhE4yHxu8KKVnLWfLN3yraLaY87mul63G1kW0GY4RAZLh6h0Xsy0s9n7.zTJNgxcHKQJTGc9sI4WjWJ1JNYyUT2NNOq.9OU_yxTuW_mbRAXUrXUEkRHxG6czE_RhNIatM532fvHiy_COexv_PHd4rkpnduWF7c0r9rz6q14qo3jGWmSraMIOMQaqn_XAqQk8ubunxaNF0Dacz8R_s7UYTvmWQo0Uk2IBDuIQUdu8.feRCtOpLqCtkl4qofFYdK.RR5YdQyTvf.I_apyG7LpgXRYVE4blzUoiy8yLCvmkFXReK6pM7tiK3QkgTcvRmrNefOdb_GY7tWfLFZ7TthlTGWgz6jv0SQgkV5SwLwdeIPH4BpIXEy9CojclGSiFGjiC1ei3vLyjvBKR2m72AZL0FuZhqWrS81cmQDhPz0qDAwo9GZWikczdsRq9VJ4k04ut.jyhtcR107Uo0bazj6cDeShccrn_oh5NyhI.adjo5x6IimX_j2p9BIETeGP8YWZXVjcb1KtqzB9nKFCN4jkdEKub6hu5J3drZBmxrFLNZLGg9A2T4r1TzWdbyyJU0k1KP9mWmUtOOLDRwtLT2fHMO_3v8KKTGFdFZTZOlSSwJYsolPVZTuz.VUvr_ZVd3mwuewW1S1OM3h3Ha0ZUrOJJXtzelmdhFnplmFRrThDtANn_rLSHCZmqiGEEUnTYSK3Ao0oacOJBnOmk4CNcto_dkx0oaB3DP7K3R0xAmUrKrFYuLNKwJhSTKq_KuNlr8RmXl4Pu6miPh5PSGzhBfTyKAsWccg9gF1traS9IiPC3JzZHX10diNUqWv0uRvbvNLOsZ.FM5LS6sX3c._CCed49zlvSkzZhe85xe6.k8MJ0quJ2x6B5tshDIgYUpUcASVeuzSTMV2KBWQKCpkyx.iwpSqZb3DiBv0V2qz77ikeYvHOkT6yQgQeE7YDYuJHJogqYfM5Jyr8yO9tge.UdLiYvg8DqnzWhVhxoV7xIXssllgr8c7ve44tQClpcxtSOqZMSUqBKlICO7Wyy20c3CUKI6Bh5gSbWj8knySJleAeWmK1NZRoxSVcDViuuKwF0ftUFK2Sa4ePfy8psGa_VAFoFJPDqNW1Hb9u4XWfHdQ5myOn.CM0p.axNstxROyIcv7imqDKzuY_BLqwIChbxtGoPis0FmLEJS_na3ILzRae78pcDN.6UU4x7Gqk1lA09Gk66Z1S_WFga1EePYMntFb24idszDLLTlWwVLBI.0xDwcFqN0JWlEyaiTMwN3MTWyhvUOyYOabGdjb0L62a1LUU1vw.T5xpZIdzqXISFxA_JvSR0C1AXWjaAPc8M8ewV4s0Bdz0sS8f5lGxzT8XVMmXMDZXgVKEgzN6lOIlxHPlQjjrimN2ePQ6kLCX3qNQtocGwGN0E9OG1gQBx.ktzhVFlGRhwSY70qOYhBm7B1CAN3vp3BykHPBTIt3aAX2.Xyqjkp2OkWWwmHUpPKRCYQqBj_UeTkLerw0_RDw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb378c0b37c59d';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\/3954817620?__cf_chl_rt_tk=OB7phYyLfSwJdq4Fd1VgcDGHSwTBUFzqfQKhypt5Zdk-1739181257-1.0.1.1-wcPPvuV0heVwe7WO.008a0fOC0k3ANpRd6_xZv9ZxYQ" + 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