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-532849202203.mit-edu.top/post/4231967085

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-532849202203.mit-edu.top",cType: 'managed',cRay: '90f985dfddebc5a6',cH: 'cUfwuPlPNENymF5RcdWI6eUOYmVBd9q4KeDTugia7Ng-1739163494-1.2.1.1-dz7TmKpQysX2NfyisiUeHYtp8SqK.peNnD9n7RJ70SHTb_BkSLnJw4YMAswj495D',cUPMDTk: "\/post\/4231967085?__cf_chl_tk=ZoZ092Inw8ps4tqqgDDBevTGjzE3skeAwEnKZrO9AaM-1739163494-1.0.1.1-7j366L773j4AFUf17dJiu2vGFml0zFG0jUKk1gNzZw0",cFPWv: 'g',cITimeS: '1739163494',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4231967085?__cf_chl_f_tk=ZoZ092Inw8ps4tqqgDDBevTGjzE3skeAwEnKZrO9AaM-1739163494-1.0.1.1-7j366L773j4AFUf17dJiu2vGFml0zFG0jUKk1gNzZw0",md: "QIkD2aIAtOT3wWEfZ21Qt83Xs359aL_1G23ryxG5qcA-1739163494-1.2.1.1-hAeUZLgqgPoGuVQjRHs6x6CiqTvbbn7PnmnI5lH3NZvT..7EKnhxk.BKNcouBW.IdPgk8f1vFQEg3mtojiGaTe2Rt9RB7Fi8_7Ee3kT9et45WufVGiYOAP0jw2P3qfvuBGtMU609V6sDrVReA66wHiiH59PwAGX5gcg3T97Zps78YSDbcZWJBmTS__ZmWTaMDFO5crG8DM_NDSmusU1YX67bsLwG_4JewzKsi.52k4Lcc4hni1mwpRjW8Tn_lHNCQm.dLSR9ju4OehtC9R.l_jQ8SuTprpZnn7EV2q8neAQc91dciosdsFQ_9Q50Xp07licSeSvw0KZQUdfwbd9NrTMvQO7npAgnWhAwll3O4nEp7mJZBIEw01hxkW7k5hXdUZhKodzUegcp.flWEZANX4IdauJcdjXiQLg_kRLlUWK0dVmkt.8J3cvCMAiZa4i4LnBzDu30bYORsZ9ZP7mpeaBcTExYaU_uSTiZYkDh7aEytQqfVDDqThPK0cdUtWGM3HZmsrozwfVov1Hvb6thH0dkYnesqLM9CUM8Cgwq1RG4gNRcnliw8iBWgaC7mN.vwF9YXcAhC61Q7dH5eWtj91xMI53sCmxVco6wksQmbLAO1UVI4pta2RD88b1IpwjoXEectCo1zmd54BGiXaDTA6IE0G51lp8GFzIno6S8_xpaKgzJPsdS8SzHTScaKO2NYuArnOYvJPoBt6WXDjNsVXQV61nBgUWDg4NGKFdSUIr0EA6cIz8mH._37pR7OJb.eZg3v9_TaSAiSXEZ5OxjfZ.5AYE14Gsx2RbfgWuWrhRtU7xVQkwFsCC3_tyyFq.6yWPi0DcaZYjhq4VUNiAIOolUkC.YxfGoUGKH62HvYPBrXMQDZ8Gb.nINaisM1oAmaf_1DrlFaFdfC8YC2qvdIXTzJXEqpJYBSYqYQ5vdAKvIMmEXfh6h4jr8jlqvlZxR.RCp1pwQUr7l4n4E.qSB6cbbeBdH9KYZ8vgLPyYpd7J59rs10p3uTVW42_119S0ZAQwoTuKSqUb1MyJG9wtCK3XLb28nfqejjc_1UjIeR.bfR7B2MoF.STcubPcVZWstcH7VtSKUO4m6mCgibdUDDDxrE7DLZGj.PWZs2cFp.zha1wKuLWtOsIQ3BvI6ZgIjZXyTgHH.F6GsQIuTmvc5jVP.DvLvadxlnSf3Qr9OJpBaQtu6ZLozVc8JMqqLGWIbd6i51Z15wQe9CBLNPsbYhp0dcPaE4xX1EwK2A5nWJWlyBODl5_n__n.6FrT10JtJbhnITC1AcVCi_Z_UEed2VE0Zvmh5cBb7mrs9vMU5GqAobqz.tCSEnChOx0XZKI55_HkPYo_36oKaXshY.qyKV7kqEcHbSdfEF32RIhbT7tmZ7dxeNhrzZUp1jlqq72Kd._scsbStKNnzZV1cU7rT3sXgpOzvoU0ATaSf4LmnWImMok8jC_TmI3IX0zQjyJe009fiiV3y.0Ia4RfeBFJFhuc5k1qGBaVXXk1gGdg_GRdrWnHimBRPcQ7aLjEwUK5fEwOd5_sL5I0iJKOaVWS6Vqcv9zRr3P6KcrXeQZVzQvWyflqJCVuu8QaAcrqRPKKrPkiI_TaklTF1Bp0e2MhoWG4yjSYYmDr.T4.fdpCJlZQoiSjwSE6XKdzLc1ZbqO9yLCVX9pzJ6D.8J56euFbT4GFbO1iWvLlWckhtu0lpRjytrpVFzyNvYGY9TXiuXeuxmWRgyxL.2MdUaQNKIjy3_7d2B6XxzJxfGCQRIMq4HBxSP_8Dsy8UVf_S39C_mhTEF1nZZSQP_A1vLyoDgQNOmqb3DmBoBES.I_IsskRXS1T.mZc.huCYI5yFN3qnt3qB0fTR0J_ZVj6dlPX309RfdBjCiKgo2RsMk2WO3w5B_NNS5AAiuANM8YSG7f5E2QbSWlDp1zFw3VQq9m53WeyCRXIGV_aVl5CQSX4Lr2y.7s17R9aiklAGlF1qtpR6jbKYlktU7OEzsJpDRdZ3pqK_7ybf93BeGxf3FRHFK4ItcK51zE3r0H19jbmeqBwGi9VmyEyTKCUJS6pIjSFWVShg59NTNL7RjZ2XRMwGRse1esk4BEjQqzp_nyZvHEMXZuahWyKRX741c.rgCkbleOOdHg23SRFfG4twZdR3ztTmSVgtX20D.N2AWIy5eaoaAMmwnXas1AcizbHp_EBKOjElmWtn.DtKjGGRUuG7u_85NlIGV5iiNvowV4neo5zRsO18",mdrd: "6FoRmkF9AsqJTh2zRoe4WGwybc.QIL5ayzTUznH.cBE-1739163494-1.2.1.1-NtdJy2_6FYsa3ruW2KeespoHQunSRnkJP6vKFN8zQHdVgNklQsDKGfLfccYrWc99yyDXN_1YAog3wuhHzQSC1RqQ1uTwgsVi5LHa2yprmba0DKRSDgpMnAp1c9xkbCuEZ4X029HE9AUxE81ALjO.GRoudMS.SiY8561yP3PAMsGk6BSV_Z.L7F_3qYl7W4Tr_8VBhmhhnAkYCR3HAibT.weOTMEcHHBzP1ZvKz8ed3reZDEahoZbkStsjevnbTpWcsh1k2Txp9mqEL0qjhMJLtrD0p.ijs613cM2jLVk.BODv_RlKLnXgmbUGoHfudq7oE3S03afbXNraC57uzqsoQc4rTRPpbNzAMuIAh2k2h8a50zUYYApJmkhJ3Ow5pYVJxyJrIbSc_AwlNcXfYrOumIGnHQO993j_A3WrWoWBFBrqQAGM.XN6d1oPbvoDEqQBHXI4.yICWIbRefkPAQWl_x78DELd7yYlfv7P9ZV6tbEUNsbON8wiBC2LToHumXdpfT1qvWE8szx.F5DD.mkdGtwDTZYQnIJMg0sVTYJvn3Z.3fB7avptNbBMdnTgl3P1BU3rf6yJ0_NFZAI3RhtDfjr4Rk47x2p5VtuuFn91cn2LsQvUCIxq12OK4XqfsxYa.pF5rPl.6mxPUKkEc1G_5c_qDvs5ihM4PyEgrafcwexXyO4bJXeCEsbJX4JRY5v7SVCU1WvGZ5Ade9JZ59SnyC4nWrwovZsnB.zoDBMhdUogIfcoOFx2v0sEaQLkA.x0RAHmIuTERk7K6XsqT1YjB7yle7kHje_wLs5XRij25A61.mX0Ge7b1QVapQlYm3EfADwv73iF2OSvJEbcLzsfiGyfkGdQ2iJAHQah5p2YanMj1D9TqDMoj.PtAlAPPth1wmV2TXGCt_KIfp7EJT2uDo3YmrSxmUW_tEl10w_GjFNUuGbwESbaWKxKXlptKswQwmtl35QhFbojL.kdCj55kTYkf379QIatoLHoxb5IX8D6C3HZfSTP5_Gm4Bnw5rc6N2VScnW2K0dbkJ_u2roFB7ExZSwxTcJvbXjbwZlxkLqVk5TEZDkkTfp7UJxBIQCkzzDkP66WuRnaohjOEfAybZ4p64Y2g1ebPQGolB36K13.hUP9x2Ze.C0NqMkVT_7pM3aQk8GUcGlhXABZJ0xsJUiCTABMtIUJdYOL4yvcpPO3sfKIfOr23xvFA9LZGrjNy6ZTja3Y6RGQWGmUnUEvAsy4dYIwBKjijADrXh1g9be5w.KETK4R7cbWPmX.5AOpQFLcIS.UHkc05Dsklznrfj.0ddcJjxl_tKHLiVSW7RTTurKUzyeii.ETnJkITtvz9ne1D2_RHOk1.epyI8O6Z_muCinOfaB6eXTYj9.7_.kx4gPOlrfZECCcCH4YBhrgR45z2Sx9ucngmAj.MsKToTsh3qYqQUYIU73Bv1JahOkZHmXrhCRHg8xiHfcDFYCEQHf9j2c96iCMMoJJ8w.3jMlrzZ_ccBhavo3AXwogpe.38ts_GiU4trXl7DC8c1vgV_0eMDbj1ssL0ky4vZvv2bLMwUMKbdr9m_v0kgikpZlUEgvCaP85hKOkYccRLJ1U5OMdL2QEMBYgdCp9ZkU_WYWWBhqZiUCoVeU058RvTBR6NSoOUt2PSxNrne3jPnMN6W1EDE_qg5hYYSWwvFPVn7TmobdpX0OoCRWM_6B8._YBqBugj4gr.DYlkaWVNWDCJHI6Lfxu9X7etZOdFCMbSDNzQtEMKzkZRvfd_f98W14HyqTtmdL05dWdMlaYT2HhEewpzeGMSDVAWZ3pL1xFGsOEJEI8_svAl9hkW0CBlo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f985dfddebc5a6';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\/4231967085?__cf_chl_rt_tk=ZoZ092Inw8ps4tqqgDDBevTGjzE3skeAwEnKZrO9AaM-1739163494-1.0.1.1-7j366L773j4AFUf17dJiu2vGFml0zFG0jUKk1gNzZw0" + 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