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-afffm4inp.mit-edu.top/post/0945726318

  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-afffm4inp.mit-edu.top",cType: 'managed',cRay: '9110c64ff8e58845',cH: 'kN2aXhQH9dX2DxczkBtZwfK.._RDdFCPXuCfxqB6J38-1739407306-1.2.1.1-Ae5wU_ID.oa0Df.DuiOYX0tLzRWhrsrGYH51UlmLHOR.kCSn.nofVdO8tBgj_T23',cUPMDTk: "\/post\/0945726318?__cf_chl_tk=NmscDYD1ofatNM6KMDSdyzebClSmv5_tiTJWQc2k.Ws-1739407306-1.0.1.1-xzzBCt0Cp_Uf1nUxGmouEfVWNr5WPHAXfO6SjJl2IBA",cFPWv: 'b',cITimeS: '1739407306',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0945726318?__cf_chl_f_tk=NmscDYD1ofatNM6KMDSdyzebClSmv5_tiTJWQc2k.Ws-1739407306-1.0.1.1-xzzBCt0Cp_Uf1nUxGmouEfVWNr5WPHAXfO6SjJl2IBA",md: "H.rM.e6aE2TgYbt02jMl2GJaQ0SnSUX_SkOa8aP_4WQ-1739407306-1.2.1.1-JqcE3.G9WxPoKqfTnBL3hjcF4QIpvDVDXZ420uPdRl9bjdeFqlZH0NGc4zrlr8eilldc3kuCIS.BJ4GlA9SKAcTPCg8tZueQy_FlMursGLRpIeW6Ilj9iTVH8zcjvGJvoasBLE_vGT1H7vXcfntzc5F6yp7Y59dxTfomnSNvQa2AgxOQAzv4bp1KGFCFZrj0.M7l8OyExufSP8vzit6cNI_UvcILhSjBv0CgafId3mnb7MAWFo_Z86f_4i4byKHKL1DIqWIOx8gNKGxIv7.4bb9sO5wpAgGH3jqtfTRYsvUlaApn_onwsrnQm_BHMesWOMb.pbGMwD3mozhp3JVyj6qX.RtfNm1CPBaYtlDXsohaGd68jDsgeagYy7hmN9WtPuw8amNPiWBkbec6rTCj40gFDy_.BS5PjtGGAdKJUwCN.b2hHmkA4rapncUmWJBpnw8p.sdp6dbz9hyyJqmFn0XYzfHvd7LcmozcHGOdakCyXv1PN4ewO2_BnDVHN9EoekGir.MR7h4Mj2t4eNjI6ztgsn7aTUQHhsEMLnrbZCTorMGKRHGxjxUM8Lv.m0LBqLkRN7ZqIvm1qpQOmrq8hk_ukMUakwQMl8hCzIy73vBa5jgzIi50ZzoCkBWE.F19X2sgYh3YhESl_dbR9qKfJrikqNGerb.nZgllpNAnKIgZWmSL1VBkW2b0qMiDxD9L4KlJzOnxKu1oLNyIaSdbHd6cVJBdnMiR9dghAnYpahaeUFmd854lX0zLtPipvHW3at9ldltNoGlmlwxmhGBf6fMd1biK8WfAjbASa_5dFGBc2ktSw0BaB3gsticgB1OxrxUfXlywD8UtDnOOwt50.yxER0n2J9Ra7b5xI0lv223YSxN8po64vgPEyg.nZQW1Nd9eHOfqEZZT1L9qQSWJ5F6L2w.bvVodKnGle7S9wuURIajtupt6SJMIkDmuo5cKL7QZETEn.o2Getb9aX0arneJTEv5ESldjq_Nb6RrOk5HIYb5bzX0CN.nhwm57x7w9SAhmpJpQYWw0z.76CMSyQIGL3d9xHgF.O_38m2Mj5Hro.IS_gLD0Rj2BxHa105BnA0GBEyWlB65QJTuXIi_bwlvSupG5li2vsHIPZ6V4R05bsrYe62mWE6Myn8pikUeUyvTpBKIyRXLEWf.vlXv2vCfVnXDsmAd2HsQ7My5vdWnXl83ZavC59XkI3w2RNeLgUhBL7_VrNW0LetBaske4MWE3lBIBn0R0HAMiumFeqmIa8nu5287tUE6.2ISIs72ZB8cZSTwX.2HhccL0DLWZUkgRDXwb6.N89hznfQVaVCCdF0oGzqBISoE9yFZSdLhKkR6S9rf6VB3cqTd6sGIlko4sG7VjUYlbwUcKdf2J17Ip5tpvtEZtqgNjEcQPB4eQekww.xBWf8D3xbf2bsCtUGNhY7Jl_CmmW_PGP3iUmYrIBJQBZChihC48db0hNl5Ol8ND0OeEZfMlkDhDrrrvuS3ro4gsio0n81Sy_HVUq.GGvRXHm05tmJvbxpmeaM29cFb63XMqfS3VOUFYA1AWOubgGSfw.aD3LgsOgGo7e8muGm4niwpI_vVaUdBxle7zmqQUbpAfEVQ2G59dVo4x5p3ylCfyKeREMXLZknD.gyd5PxOq_D5LzJ2x3vi8DT5tBmwAIxfpRwyCtTa4IcZpG1wtT5KKSamsdrS1JeVLJGGIXZOZzU2X4hblC7y6nM4alSmkQrMOjcAZhwve6SAOaujIAsDeJkuDbNIv4v62onIAtPBIHHhMOiv0QyEb3bLQxmx2UIkC4W2KRSuCNQapkoyyAjnWbJXLFWqv39Y.0hrHYUr98SGl1F9u1X9IEHL0IhM71kaKsVfhmXsWuPzkCcph9FOWGplG3lsFkFSnM2T63P2XeN_jcbkrZO8s3_MdR82_339QwuiZotEqR4v3xDxA6MCPnqkJ8gxpHJ08Tt25zAjUEgPXssu2TcSpEmQyzsgAwENKMwbL7xO_s8L0tqMpgXEhRm_3moQJ_q7ER8f7fiqYSni.F_KmzoJSCxWH26dvNdyQKhs9dx23tINJgi.ubh12HHhR5NwI_1g49EAjtKsvdzO92lNxXTgDoq8OYOBxEiI7wZm0lMEq6YkltUHWR1VK8r7JHCUjwjJsNOGsO2sujGbkdzrbu1mP5MzsPyhyAZnbzT_KOnARCwjL4Q1oxH7OujuyEg82yr8Xhg1fN2yIc5JGXs9lWFWZ2NL",mdrd: "flfJ5HTgGddbyYVceqceq3t.mvmSOZ6skTA7fBUxxC8-1739407306-1.2.1.1-xV1HsAZxNIbJ1whczlzlMoPy.tF8F1Y9C3CYwAoRCRDRQq9HYz7J44OiTnLGa0YSFWaTN76vlOHPEUz4o6lWs0jjjb3lM1MwZYBl6FE52UE.cjJ0CP37LfqfYzKS8785NLW9YK0s59UsD2wSr.gMesV0KraWV8vIpq1uqdXzj2ohEbdunau6eJXvew5aMT88L0KwJjlQZqYoOAE0mFFSLnqY_6_tw_9IlnbuaMtFcliSsyQ0aCPedtG85y_VfNJuWRpO5Jrp9DJbfNshDBsOhNSj69_fdmW4TvWXYQ5XDb2Ph4RXBxoREf4UYRVU8LkGx6Lca0wXj8.Z.UmihpCTVrxwQJbikYKa0dogRkEBar7tNXuMwR9vB6.6qSNy7suxnj8g93Hh.LBYAfyY_NG39n4OuneC3UDmDckOPNstKtmmXJU9fxFjs7B0dqfoUpmqSuEKHI2DtnGXrHaqObmA_Kvy4aGCc60gsEogGKjnjxw5nVBBSu1KKUJAtbg_O4eeULIu0iC7Gk1QfqyeGcKUOb6YtMH9MTjuixW5JpxHwhIM55UxJnjMW3GFRRr9EWbvDpdY6HDG87ogeoKC7C_eqHx20C04MEMy6taoMAAN0MnHH0visPAxvoWlZZ3yzPWqHsrG.iPtlgTA1s6bgdH6E29FtDHw7isiXpfkhR33tmpeSUhzVjS9rfVW60kGwx7zbpvCfYCm3VddCt0L0SMcWxJ3WpoMTbvpnElceGtr.4SgF9Egqfq5aJK1PavEyCXaYvmVXqU1Wy.M__J4fvxh9DuuN0Znbl1suF1_JC6lqz27J8PgNuQtW7IIYwMZv6M5urvjwyXB9x.YcdOw1x59zhKRQqqa6fxU0PG._B2iBnsvO8W9ZBXE_n5aTuBTzFJX8HMKT5PR9grp92KKaqyspau3W6V_gE5oOduzt4OX5J.eT69l52YAKIlDxvffHLZOdoeC34kyAyscb62yqMYeC2SE13K0wDS0jFFZad60dsLWN3ZylFlcCr9TFo99ebXzTTlNfdGREgpo.DOYdJWRjOsUOCDLSCtQDEdCRlohgQO6aRxe0QfIr_1G6Wvi2Z6q2Lqq_slKYPd3L8Rj_uaq6UF1GsarTfZV5ujA5OndyhrcAO0z_Dt.MAQy1FyGurCUJGq1ZDM9r89WAVAZtzRKYoHHYUxym7TzjH1qHdnlg_PSBNKKKjrBiCfTFk4GnO_Qwn4Wxl9Fdn8NHGJ36k3kWIb0BLEoQR8F1csZOrIZGMbCRBLO4RSonWho_.aPNLuyNB66khvW0XRiuLOV8lCdupDY5gcHsUJQw4INHjR_6PyVSlVISRwT1j8F5.tkQ0c75mdatnP.A908D.9ovYeVDrugOE.bTjGOXWIJb9FXvIFGilZ0Kyyaxt.m0RcmnhxSZvbDfKVCHkFUnLCmb_hpzqGypwqkMw0iaif0wRpQeG9und3PN3_dGxATbBvCl.v74_IB.TSeND54ofu8rDFRntgl2gq9v2hxxA2YJxoEeizdqsCER7g9owXFPxYOVtfFEB7v.LGv3OmNoML9edlz8L9saDlCVbaI_Xd9J1ZoIzDRPiSvmJCtWVDMEZW7LBr0kCTH4VYEArXgC58K9is21myQX6kyYkUDD5urc2ePf9OQiU6Ky3r5uEM4c.UZoIBW3qGhZaAo5JBFWTdK3mtk7jJx3Uy9kxjRHuDZmImTEDZHFKPafj5yk.Giz20mhAhESYBRhDbU.vMEjYl7HUwgdaRC7o7Uf8IIPj4vWYY01fT_WRRyq8zqUYB_VvXjhz65vmG9t8BUvas4O52u47VM0A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110c64ff8e58845';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\/0945726318?__cf_chl_rt_tk=NmscDYD1ofatNM6KMDSdyzebClSmv5_tiTJWQc2k.Ws-1739407306-1.0.1.1-xzzBCt0Cp_Uf1nUxGmouEfVWNr5WPHAXfO6SjJl2IBA" + 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