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-233736109744.mit-edu.top/post/8457603192

  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-233736109744.mit-edu.top",cType: 'managed',cRay: '90f7b4c53b83c797',cH: 'MFqABC1OrDa6B4MVB3PJFJF_vgt8f7_EsX4a5Uunxxo-1739144443-1.2.1.1-Ab.cKlerQ9H0etXHJjB1..01lVRHGr324f8zO9JjMFginoPLQDsVn0sGhKaGLKs6',cUPMDTk: "\/post\/8457603192?__cf_chl_tk=ujPznZwSTax12ZOuYw9RwaILIvlW3ZCdlIuN0Vcai1w-1739144443-1.0.1.1-u2PWa8PkxVgVDhYNuH37a6r.kFY9ADoiQaENGgMSbY0",cFPWv: 'g',cITimeS: '1739144443',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8457603192?__cf_chl_f_tk=ujPznZwSTax12ZOuYw9RwaILIvlW3ZCdlIuN0Vcai1w-1739144443-1.0.1.1-u2PWa8PkxVgVDhYNuH37a6r.kFY9ADoiQaENGgMSbY0",md: "BJQ.mTQ4kROM9qwH51UoQL46VBMJ8PVgcbpXi3fm_lE-1739144443-1.2.1.1-xYzKtwNA8W3CSs4DdMK3L8cUMrOTjMRkZfktXPltk6QMj4xfGs9ZmcAye_zuCEijfkv1dGiADRWrvYM1k6TyeMFylUcMSfvf1.XX7OaMRaqCBaDqfRhAV8Ccis726lYU50Ts6e_.JiX66sYOZz_GziKD9XRPkhex0e5ujA21qjzuvtdl83CSNqx.j9tYnYRjyLk6t39SBF_pPMkBbTPnm1iOPsF6eEJ_RxZg5NvDc1VDOxmpEe0P1p0EX7c7tMT4hs3hpPcqdn9ZVn8FHxivLUb_lV1llg7JJILh9bkv.M55TisynO2y1xx..5_KMqkqlBdCz.I1jtlTNeGV25GAr10nCCMcpcS.5neuLywJCLVfpMfZ5DoHazbPjYYBgXwNj60mQKwXegI1Dk.BVTtsdAVXdUc8Y_4HBsWlosCMO1gukdriCEYhi2fGg5Wa7m2MvTWmnKJy2GtNlSwC_5u6ipGOUob3q2uORs2V2aaVBWEFgzn35Wz3dzrgS7noKhm7IiTuH5lztziq7c_C35jkgUcA9t.3xUiJsk3oy9xdVFtSpZAJ64Ca..tJha5SIC2lJnIwnwwR_Jn6RTqHQdTnCSsxc7_OEibhUnM759fA6pcrd912H8y9mUsRgt6Ft2FAtxzfwdnEFdPxBHnOgQx5nqKDYZf.8o65BDZeJimQrixVudM1WWl321ojexNkeZK2ypQvrj0nwbcm3Kzr.bRXUh5WI1wt7WJkn11mKhvV4.Ivv.DX9_wbj_KNapnc00MYT0ViO4Oq2jWxIAQu2RSotGMlvr4S_6uD47GEtEryMGMI00mnRuHVANA6CoqhRcQqChEx1mQMNyEh3itwBGYkc51gO9d78q1yO.3qBXUNGMGbus9NIEBI3T8ifC1_CTU6OFXtCOx.5xwAsrl2LkbDRYv_n30p6XnCt4oX9ZuW7gHj6nzCQBen.UFUVBPUICMAVnpFTOxbzhfMJ3hmnGcOPZCP8cL87460b_3SJ3tq23XAMa7RdyUfRn1IaxqkkN7AiOzU8C0gE14q38jtY5KfDftTZeov0kosZoGlOcuSKW6NS2CRy9PUmhEBTJ4QXOQVceqP95X6i2l6UkuxVZnmHvgETQmi.t_3eU7PtCfNDw3TbHZMy_AWz7G0vZhimiPOIC6sDoSDZGVx21Aws.a.kv0_k9KCDNUCLvpmh5NQSZG3mphbwReuU.74HSP6QUKeZpD0Nsy9sRtH1cALjkNJdwEb2qhvG9MuiBwHLAj5NnNn5T.r8z._o8bFeJaqrwQvL4bBIVrIT5Ci8jQiFIwkrHaymR1.XWg4v4fYudwgcgXEU_1Yei_GJX4ikzdntqxVDOkNZ4Jmfy934dQFrkNkaPYPpGOnFJ.omJ0lS3v.Xjp6LA4lilsTNLjTu9UMU5MFQf70hn4cbjVFCSg_FDHoc5QpEQaVaQRmojelAEC_X0DnVvv4PI90RMvfNzRsxn8PrZE8lsyuT4I5nMiT6vHSCJA3xQ69ozkQQKA.4qH2LRTMEKZmN4JeaaNff5qNjZi1X4dgg7R2jASfv043qGOrh8lUH.3Yxhu2UIN687bC8GkX8CmWpEb20PjOF_l1h0nDn_K3LrExBJeo_B3tXJLASCVjY3oAdyNzr1.7VJdJMmQoNggkPHbv9lwVRVZBWSaeRCqtOEWyzZiNDbTbzk0oQwJBDGUNMlzHIJhHHDnyQy5M3C6NPFDd2wCO8oxgW5nyhQ48N1OjrGaz798glrqQoBB_DGI_VexUzgGpJo68F0Pb1ncN9rDNwr9BJASXZ9kNE_U0ZSGOuiHzyFSeJyQKZ6EzUJhqtu14KOwnn4fn_Wa7gWO7xolbucQlIyntWskb9dgx_PaGe9pRztC_n4.Qc8H_96XnZT4xbH7Xz6xim37sawT0VeJZNpei_JefvBBnPaQYkCr1_EqsZLxJ.azPzNkPUs6rQU2Ea5J2_Y2mlrGQ4TdedMl6mpRGxukRIjcRoBXn2yppmac2IHVnfcHJS_7GGa0NWldHuFtT0ht1LK0Jt9uRfYXgKzG.z05ApYdmccFM3U83n91JQitoWWF075mVdGxGcPWoPxkgRoQ8.CCzOf07wJJdpVQLkYsAgkoYXCeBhVVj2Ja6nC9f8_toR9c9R9QsTvWC1vPbS_NfXDjygaYwi_ho1Pe9wiSrCmD28c5WgQm4cXK5n0F_t3EEf7IFfiEYowuEU0NyVH6wdkZy42Vw1O5EwvFMKhegOsZQ",mdrd: "YVIIb9mglm1OtB6x7d_ljV4m8CpWC3PA1U5dJ8Bc7CM-1739144443-1.2.1.1-dMtCF_qnHIqNdg45JB.0JnWlU8Pgc5vZh2xILAcNxYjn7y1oDcfdzarKVYqa8zV25JWFMckCslTLd0lTWyzKG.Qz32GNIko8rD_Q3y1YjrPyEPrdGms0.oCZNURtW6rrSceQOIsyMCX57_60HjX35yhFr20mnfk6ZaxeKhGhrALT8390B3QArTcnehIb2z7Dv1tH7up6lHE5WDyGj2c2.Nmxs8zxVKxaCNR3lZu4e6ALnll7N6SemDlc4qISoD0TOOvzYL0QSXdnRShqIRwFiG_CbEClIjH8bZ0C5F9dDL2Hn4XzarfYT6pjUxWS8cy.LxaHsIMfWlI1rHelcF8ZFVfBFx2J5uoEfXNONlKIvLR1NhKCCYdtZg7IhS6FblupbmApJptyz8xRKNNt.EUzj2EyZvkptTtVcnzpDr0t.vhE_8MG0MbFR0.10dSeYxB6N5u311rNSGHTxYtXKyQLL3XfW9.Nm8wHvwXm9N1yBxULLwl7SQ2_7KA93NtrThrvP37J.OWldxSVDPvCSPLaSU2m.4MpbFiPHxk_Rxl_FZH71w9CnGPDrrmLVWuQZhx1VkInXFOgGQrfd1TpnqtRttTrkYz5yoazTI9qQ7uYFQFh33MkyqJD.bNG8Ze0rM9Sv586RakGQ_bS8mEKDJRO8IMX_bLTr42iGglkIDqiBNBif8EEUMx1Ukd4Kg6_WvoSGM0gJ0p33uKV9TTabRDadMnSQDo.Nf5NRTHyOu1R2g47gfkbSGP8VBgn4KDpwI_JKi0i9yD6X7caYkzSqu8TsQDFOszENcP.AGv.z3uD9vADpCDlAg7TrCOeGCG7YbnvJYIEoRgIGlZ9jkeXtCRGexeU_n2hEI9az8sG02vAcErCdC9GZVy13gw8_NQBBqLVqa2sDTUvz8KV6HK9SMPPIGKhC4VrgTwjMYXQ.9eCVjgLDzFTFNtjSIgen3r_rhq7DPTafSRPZQX268nghll.zW8UR_oVS6sJQNIrAyEWxMnaSHv0Rp_tCd10fK1vIQHti8tpxzegKvoG3wHlD_0mLlW2P3gMbPt68HlNQmQLW2JXx_tTlPAyTWCdM5G4ZJFY7S8PIazLjMtjUCGtlUFYJAa5.wNrBmPfgfmCOzdGrDYzpvdmTPH4Hz9yD3hw0ZDjwRTutgdyJFQSEfoctjmzdM54T3dg.QMEPTUrEJ50r8NzKmvyBLbxddpb0hsHySKcokdynqTB.jDKBH1Mp6wZ3Ku1ofyMDPcbs14vhLp45kV1G7LxljlQiPqxqeqUF77ysOWcTAOjUz3qiinRlN9pHcfg9g3tC7WT2LFg9ULn35t1P92M1f_kKtrMqrUrgebuwhp7YmOKo8fl1yKyhJpGM9Z_Gp_nUjEUtNtD.FIy76IAohS7.S0l3G1smmTRtPJoYZb.N6Y16b1w.MxMFMz4j5vcqasqoQ1UQ3INi0as8XJCFbWf3LpFcaeqGVnrYlTA435Z0UTYodokh_gobxruoaYaqw0JZf930Xgo9dBITc1RhDEcAS.d5Ucng.1kFfE0ogO4CUwzR2oSuAnbD2cnDl_XOkmQzYD_Ithayh753iFMMuUVOjfSLb8F86yQy.xOlFV.cR0Had2qunlV3M2XU.I9Mte74j44fjp.Ep9txohyJVRhegiMmeJ13JTFfr_Y2wqPUIUBoZ.jI2cNUfOvSGCd73bvgchg_V3GHPPecYI4rg_CNlUuH05HyqB0xRYksO45k.Ur2h9gBH099mfGPukj6IKESsJai9ucEhE.D5cXzGAWYTZ811obc1fubap2v5uvSv2XHObD2k.0M7izeX0w8wgt3q_sGU0GVuAnWm4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7b4c53b83c797';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\/8457603192?__cf_chl_rt_tk=ujPznZwSTax12ZOuYw9RwaILIvlW3ZCdlIuN0Vcai1w-1739144443-1.0.1.1-u2PWa8PkxVgVDhYNuH37a6r.kFY9ADoiQaENGgMSbY0" + 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