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-affwjwh5z.mit-edu.top/post/5823910746

  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-affwjwh5z.mit-edu.top",cType: 'managed',cRay: '90f2eaed6bafc95a',cH: 'VjfqPW19P4KgStiahNCgQOl5D8oj8wavYosOzVd8ho4-1739094233-1.2.1.1-k9ufnweo6BdG7SoUJKT6tXU6BS.J6IPZhUpF2_Q3xFSLpSjcEo7JlkrZV3LHI6Vv',cUPMDTk: "\/post\/5823910746?__cf_chl_tk=AOk4G1ZimnxRLKyMqtXD0jDxr90vBtu3FoCnuv9_14k-1739094233-1.0.1.1-4cYoag7j1XKlSdFQJh6frkNHvhC9YwETJhbaxncsrug",cFPWv: 'g',cITimeS: '1739094233',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5823910746?__cf_chl_f_tk=AOk4G1ZimnxRLKyMqtXD0jDxr90vBtu3FoCnuv9_14k-1739094233-1.0.1.1-4cYoag7j1XKlSdFQJh6frkNHvhC9YwETJhbaxncsrug",md: "xeaiT7Wt.Iemw9fB6nv60mRYsDCF0AoaAdzrVX0wAKI-1739094233-1.2.1.1-0pngv1lWoX7xlKuKDeUr3p8N1Z69IVQSgSqjc05QuvE2dRU4VcCvSgfMYkjEIg2XBqQ6S14d6h7NaBrNG9Ofx6tpeJ1GZQ2G0.nThCmb3vl_4rzRPH0yhsgkkPdnu4SQSrk3YKpt8o0phdNnopfCgYYcE43TR2FQGu5ZfEgqTZPYOw13WXz_bIgLQii1Pdv5co7T41gp7ljfvMRy44K.YyQl7eoz.w7g1aYe5yjsKdK339qHm0rp59qjSgW4DtqzAJEjvfRpNcZKKT5kbBO8smJgJVviKYXEHHADmeKHg3PQH7QHse71_B7XEnYXUlgMhqLx4qDbnliJFlI4R9J77BzXvW3DwP3cvaiTFR27VdecY1rKb.M_1QmFaxmNig3Zg6iDYjysk0PKUCVyZSdPH6I5PVMf4Uzprl2B5lMqmxdV.x2AMMSKUoGzCpcbLQMekZyIiCRWCKse.kjuh9YN9.7L1PsSeT.1q8mekhA56xRNo7kcfeov6BWgytj7tv6aSmf58FsIWYCEfi0XjdqmVG293gWKUHcDP21mUujGAH480fIky9M_g2b5pcBPNsROncQNE4FtrMUIxMnn0pMy1ELnGeN83yjHo1zDhhTQomgisDhxEX7yqE8J2pYWVayM4xSCEtnIXOW770pFXv6FUP4WTE1vqAeTTWFgBubQAPcaRspG6853YiICH.XK1PoLLH6klmMkXbju.VhICZdfiitMXJft9DW9KnDXaTXQeP1XdaOo933a61VQs.2ZrmpqJpBRcyLe923JinOQbzySdED5HXiJ6ikotLnx4EdyrxBqkXQaXMmEuhXoGxBTlBHvjttTTILRSRNSZTnFWxEhqA379ceaJFnd5F_JztnOibpZTuSv5rMBQ5_454y0pvOr8_ASwQ1MfcdLzgjHvu1IG3H2QBIZyUQ3mpgnjDiASOECuHt21Nb6d7QIeQh36ROkwWiRxsiwa.g.vkHiMxXyDOmjGDy_oSQx9XbZUylG7wxckXymIC6ReByzqdv7QqOemez2C6JNAPn29VkkoqV4kS7aV77vrUrahOZ9f_wNJNvshqEHMW5.iROaM6oCgjABK_86tFzUx3syvYZcbNv3_W7H9SkxSQjwgoTM5WQy1GjhD0bqkarFJ8vCQzY68fB7zQ2OByh5Uk_X3shUuG5yUUAgbsd1lOdJCEWzjsSeyBnz.H_FIcWk8Ah4lJ4GQmnyz.WJN.BGL_lZuKYmlWS4RSXMKsGtE8vNOzqRj4gC6G3M_txlLF2ClMzaDaFMIDqL0Ow9.CHITdzl_w4P_nnYIwo7BQ2Wb16Z_JdhUbRdOrpF0NBwrCtDTv2W_GAWyAGKMlmIKFbMrzelLL4dUQGOytUmJayn123pIElVuMxy.xlQsWrSVNx27TPQtINXy24hgmqx3vPUmTy_E.a1noMDXFJzVtP1cDTEYNJtwmDeRomsvSH7VOnDP1aW1TKyxB8LuzVb6JdB9YvXMAQ1daGZEDOFIESuxE.Esefas89.Xp0du3xnbRXApC9yOQfL7D5qC_CnKIOsuBGSJIW1z8B7BYzUuPWoI0lQjn.3ktDn0mYzD3z9nDq_7It4oWW17LXqD.EmSd5laU5gOBaLfElxmBFgJJyDgwfbBP5w3xjSDDiXG8BvLJSHtITzCP856RFbhLHjEvNtdlcC8KDf7rANzQRvgVmWPKZRnezEumOpJjGiLYl5_aTJqWTrWtldxKq63NiGgPt5pbIaq.OVaBQoyFnMSFDsCL5tvLodFbTiIDAZ2HQCoeZaUor3.sXBRc8GCl9taX7qcFCzpHikk9EfxT.mlXlLL8NSJGx1d6oSeM_SkHug8_s47ZZisoUCZWZdhuN0hiaz7ockpJ00o5iinR.TcWCWLRqHy.AIwtAZYO4NK6B0jblSQtULTnIalFVoAes9YG_OeP56LUzfueONhjLRJTRSb0OkclWwZTuVNxsMaJV709PqOc0suWfhb3BBKscnbV0XughvJ5DfsdmTOeL17kM3ePqgZgro_saYsvgPSFrarligj_XEvo.MV4V82delQymRKkx6TDcR8jjG254DVkWnYtyOxm.1IuCwdLTX5x_vXdyZBtKvjiASMcuL7oYUbZppAhbH.0BMKhd6dhyegkoBxDKBGYV_OazUckVDdvJoPPKGtjvTw_IhqlZBLD299bdhhcfccvGtygtLyvZQqorCbzs5yEWO8e9Bmc2WcV9kDCRVGyKTvRINvzBN",mdrd: "qR_uIC1CJQnSNgq1Oj.FOsE3j2wtZZpOOmSqyu0PP14-1739094233-1.2.1.1-PTkT_.xCjisTbcibm3SkGmdLyKwxqnev9Kwef8AwYzoHN2mNd4VISN.3_89fUIqgUT3tU_Z665fh8zNoc3X0dkdqLjOtTKy.ChT3ZCpNKqgUpwiT3XFaYdRoZpcfti_M9B0dEcrPkprq48pCzQ7JQ_8kDbWJ71vGeNaxz3olOvc3NmpY8wt.xWLiI2lV5l.1NshnlxJxfR7p6ju8kIqS39E6P5KwQKEY6m8Kcx3AN_cVn2j9fH.sMcCgnK30SdLOjd5QtyZvGhUT5vnrX.O.OceEJJ_TEGJ8B2Cq5aophvcWqHnfAEyP6s.o6HqZrn.CDFmef.ckjkSa8LYAB.VijYZgXZNtVV6dlXXbWHXMf7Md26bk6XeI5kiRF1.2ZunaQvB3mBptLnO2w1wcnl.riIsLtxr8.tQCeRJNFTYkRmm93PD8hvs4XzmPvfo31lVIExNRqOsGog19KR8VyjFmRFXWCixBrAAui1pAoQn2zBhdeBtcrd0yoL3d6yjrr7NpYnNJHopmTkperfCu4XPwprBRR1l_Jyug.zD_.jcizhXiw1DZdHDusuTh3eviTM.SfPojLcO8e4WvS9FI7lZSXpd3ap5negRuuWK7YbE_mhGC60xGNSRMtLWzz_l4xN5EeMfwYe7H34syPFYPbye4vw2AsPdyHMgFJ6KdUP4kwd8hY7PTNcaZu5oG3jZD6QpJ3e9j8i.JSm0_PRZRLZ880cQtzurQHdumWdJZDW0MYVDAlvpsdtZvcvGvSJmuZfqOHkXZBV9qlaKd.nLb75dCAoA8z9OOCjgx2XTR5UfpXT66ewZQYVcdUxMwFzTfskJn3uqQPMbWR_O_PEESXBzVI0DrIEiw9UECAHv9BOSWQhpX_2oo3mfkq6zfi9r.1.HHso72Qs7rYtOCBABaNdGRSrGQpVJjwN08GAtxISK1MlHZq8.NQ1UXc4KdoM21Bk793IHxjoEXXuGPLwbuKG52Yl05W4CBpEGf8LzmQBJVw.fdWkxw.8NigHAOlE7DDFt8YB5beTnJ_L110ST14UaF6MtGPaY72eI5DHgy_A7zT.LKkKQYCE6_aqBfDNjL_yKni.5PtZoMNE45skqW7RUqmQYlDADAv.YifrL3.cF2mLxD0qWtGBG1o3o6vvT_46OyVMnHi6FwOrOquIQj20022Wu2YVFIUAnj2L4xRUZKSmL.wiP8FTX0xBjjjU77QDnbXuKskKCWg6xg_bl8RGrkBiRu_RGKaMF.XCsGGdEw0okVqjj8rCvfMgBU1WamZ396o1zvSDranAys42n5g9hx9FqAQEvGDAM_ojHA061Sl46WOJKS.RmidQVa9RDzFyeVKjNZvj.ZJlnfyg8axwg4FVAOQBi92V5wBFO5PQPbr8frFeBX0TslAhTxPpp1Owam_jCvgouYmEoAXP_O2wx.r0Ha0sADgPxYciEQKsgi5LUAW8.IKw1uMxZpn8L.nkdy_29FDaxZXMWkZXgF.6p1Y4vJkoJ5TFHnOHZlR4H7n4tjRE4t1WpbSlnMpbZ_PzcREI5Uifr0SKAOFOMJHINZZ3cqHwiWLTH6yUJXMADUQ7CXoL15WVPGZi3FXJZZJ27_rlukqdX0SY6V6dnfqA6L95kkK3nDzSWtv7IybKXYqtEzYch9g3ug1vJ9QNjx7BPupGUkpY3TRnWr43sYzllvtIheSksKToQd6A1r4WjXuoJDqzygKDv_MzHmuUJ4epJpAdLQ0YEeI5OEFYNlwMUVzKYZA6bOoUyaM0ldR9SGFyX1LFyQqLSWQVJh2nXwdEMMrc.1PW1FiY7tL9Ydv0vaIA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f2eaed6bafc95a';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\/5823910746?__cf_chl_rt_tk=AOk4G1ZimnxRLKyMqtXD0jDxr90vBtu3FoCnuv9_14k-1739094233-1.0.1.1-4cYoag7j1XKlSdFQJh6frkNHvhC9YwETJhbaxncsrug" + 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