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-affzg3u53.mit-edu.top/post/5037629148

  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-affzg3u53.mit-edu.top",cType: 'managed',cRay: '910fec3dbaa67a4d',cH: 'v7JiPmOMg5PC2hQHdTsVluA8Cjo.k3qQBzRfDA_theA-1739398374-1.2.1.1-5OtetQK81dDsLoJ_W0LmduPgmYMoL1TGF31nTy1JH35YBMrsTyyrPyQ.znvmoUjl',cUPMDTk: "\/post\/5037629148?__cf_chl_tk=A9Jg0saVCgge079Lrmkb1GYKxqmJMCdlImGXQmf0hCQ-1739398374-1.0.1.1-u4gM0hqMPXrBtkX2FnkuZLOnn7j_eqwhobmMo1vHIh0",cFPWv: 'b',cITimeS: '1739398374',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5037629148?__cf_chl_f_tk=A9Jg0saVCgge079Lrmkb1GYKxqmJMCdlImGXQmf0hCQ-1739398374-1.0.1.1-u4gM0hqMPXrBtkX2FnkuZLOnn7j_eqwhobmMo1vHIh0",md: "oa66VW4rL1idLW_0Yc3Gcc5WP0ZaPkK8smTnbUkyzEo-1739398374-1.2.1.1-8GYbmvyX5N2jrbj3POacguyfQM1bKP1FqS4WGyy1KTRKZthuskKDXnP.aEbFwAlQduCY0w53ilYBf3IWGrXu2lZy7IrhVn0mwc6BSyq7xgU4HqIP.SZObs3UkQA0Pp_aFj6t1jMyypaAfbGxQm7wvO.9PNd2RTsMPKepnDj.LbygZcoVKa8PLzeA8N_9iXyQAYBegzDLl0OthNB0OKqvZx0JZ_5_3GzHXzMCJE9T3Jq1qF9X3rGC8vOJa3Z41lyUKV1FYzDE92tnEsQuzp1otASc2Uqn9cbuCd33fkd3Kkakrz0te8fv0wTYjrMx_cqxXGLDviUM.gtqXdCYtjgCgtZd7oQAaxEIW0evhbr0TlcC80.h8Dx5qPYE7hzUrkdBBDEqhFwZa5bwxBuIk.ZsPkKfXBfVPZT53LkYAS5SJ3vZnIKTLYM3dlbawW8uKyTu3uC1bZv4JsXWApPuOnSoD_5Lhm88Av4l11O7Jw2J7CA2rzmYBMtB5AzMwu9yzb9AibOFNaW08qv1pGHXTw2PZKjoZ9lRrje.a_S6JphQRzCazFyk.XeAv4JYx5hJz6Ci0us9GzBOW.EVk..rPDYa1PziScf7CWSkjxK3GEGCMhcDPpT8xsgSloU6CS12jXeeUd605EHI1o9usdlwbgzYTPKabmiDGYwFu_kLWH_1kAfKj3zR08w0EJ7rEA3H5B9d2PZWaSjwNKhQPblXMqUhGHb0eyvPhpnFKYN.eF5ZCXtNv_devqRT4ro8qWGWrbSG6LJ64q1bfFUBUqOkdx5KmeUoyj.9_fV6FFplJVJi..DcRF84ckJ2509BjMOwzrdzgZhhjmEYRy.bwHqj.qvm6Fq0IIsyB.LTEmAKVaZST6ZqGrDPpUHvRyu2PJcVpPuGX9T8XTl36Efe8tN63DrccPSQWPpF2MoO3hwHka4B4wcB4IJy.g5SE97CBXL9A2m57N_0nMRrOY3iaDBLdkCAnsWcxUe4BmudXgOkEGe_bU__mX7HfvuJ.BU7LRnC_b4wvfFk0XcYES.eBVi4_V9FSIwZRb_VA3KVjYUat__HifUGK1DYq3dTEQmuRzUNwzBRKnsI3mFI5jr9PKkmGtaO8yFl5i1N7lwz63rk41nuovAM84_yH9AczL4dhqVJVngCD6PzAZdQ4_uiypQPpEOVaNB0sdc1tixRHod5x8ZDvAtVpNq0Ud6OiqXPiGxUu3ubuZSAchRDq_pb6HARJKapvQqIfWTCjkHzB5dR_W8V7kuDWJi_ZQCPbrkTI3jgqZ1rIvrPzZ5btM4VaLqnlpqSzFLp4LMP.gGFP.QHETYKhiv6Wc_JezhF37t7bVCnTE82omK1z6AZ_5VTmkMrrHa9M8cnbbzQFsgzozjbjJt15sIXkrv4tNAo6gsNOqf53lp7bIJ45psbIXIK.wIgogOxXx7_EwGErWl4cYQE.AqQ5JCp46EcfDPLYTaWl4lCaAa9xwhuNptEuebTFApdm1icFChsd1.aK5qWSkyiR_c2B6Bhm00NC3ctELK9tveKPvEgqW66yl_k64bw7PCO3..pnnHC1AxlszuSTTwF5kGty8jr6sw7wr9yDsJKlcZaZGustyCtxXiFkWTjpLcTelsQawg2mX.gpVGRyAaZeBihEDodDeaa4t4fO7C0ZZP2wPafHrvj9fkE.hT1IeP6_EwVF0QLrxcPF5sFRdI1alrTD1X430whUJVImz6F4LyWOAfL1Uup.sCv.qeLBe492EFqt7R_15UuK87w5Nni0NqkLw6_c4r70n86JXuvr_psAgBV3P72TFQwI0Hun3MlubcJM_6DrqePGQxxFkmbSIJu2aETL0P65AAkl9prmuRyrcCTel.9R4Ntj5spleAvNSNUhWrz_vn5eLcEhB6eIsOfLSalzgYHl15MXY_CD2r4Q8jRfWdiV222f41OLXEZdkqamDc5ZZZQnU4SihKgznWB2oblbzZnp3t.KK5L6imqAFuBkeua0zpfiEd4amWmR.fn8nq5Xi4Hz3HTx_lDZEj8c.DNS0YpCUGZW.PjnvPlydRVyHMyx7Ay6d2c7qaPJVj1Wi6kjdZECU.7DVRokLp8r836s9yXGzO8XtstkKNf05xUeCw0XGvdcb9_vU9KrvMO9p3g0kLxd9imkXsQIkp0iISucGxrTB3ytdhzi7Jn5q3CJB4xhs5AmrvPKL0w_cWpjgVTLklugG4G5Zr.YORI2q52u9TcyWINk3VjAPNUVa1p",mdrd: ".eMNgjnlWEoC6HgIN2OCvwBulBsT0j4YCdoMT5yuLVM-1739398374-1.2.1.1-gwL7x4oJmx.ZcxW4QxyY1JBFvyURyMNO.GNJ8T3KemZkWOE0G6tA7qtcSMfEJ_o8fvWNM7QxPEtBkgbuaatCZZU89CvI1Va0TUehDgr.q49LzSUbJDAP5628DU2nOu7vgV4Oj_mJo9JQaqL._VJNvsmvwgKlHV0noInCwHT.1jsQwZplyhEgG6WzDuZHGLSHbBLVLU890yo_I2UgfbxCF5O7FTNATv3miTW7EAbChP_8N9x2RmOCYmgqj0HR_mIoDecUwoRSwnrBe_v0GWnUqApDJLLq8_sD.ALmK_BAsPfUtpbmdLF1dqgCXpj6JByAtz1j33Elvc04tRo0AuvPp2uijNYMJN75zfqy_ch2ncEMCweWkY_Hv_MntSHrw7usrdfPxcmOA8rTGer1CHNbSNpBrtqKzKb55FCru4J5diyBtJSp73GJqT0KTpS.ASbpo08D9Hl1GVkcB0fSi7_G.tlRyjQYVhcTJsi.UtDkSVER7q3NEm_2u1BNbMlRDJYTyir1Bc1SPjY5c0s4l0ahIP7FkAa4MAV43c0TQpRz3YLlFE33x2rn6jD_G6oTO_euPSUlePweRQ38d8fuiaHWiGU351Vs3vOMUrrEmjKA_xfMx3AocEC_Sur8NkGVuPuhvNUWaKLJ2PDB0HkF4Y3J7MnxWh1wknafFrgTAXdeZjDvTbwXZO15ol65y8qs2UVZPcAwA8skwxDk5XJ0WFJhB28up6x0PV7gvUc.AjJk2oZJgc4.irKUtuI7J8fgiPhvidfJzVcKrBaCDoti5F5BtRAvCDKddS_3uowk_Mn5nodTRxM57WCRVjqezukkCH63k91ZlXeu35r_IcHjgTcuWUX2zrWJlGLr.im.ahcksOEpgmI0LOzyPT.ITEGIY2mmrtuxkIDUVX9y7HFh.1s8PhdiD2luMIZHpmBqhPsOTYdCt7gCbVls_J_5sD7_BYETlfw56dS253IX0f9rSqUV.9eug2SS8vg80Cc8VfuxoL2q9Bpldl5LFluMvOQMQToERlhn.hI6NdkSu6hMAdbPTtTDGzZRnruu46Lyf_hbT0o1qnauL2Lxn09iobuJWoX3l.RP52vG_gQlhzWg5ZGCOF2_ENAZMp4ZjJSbGCJi6voEctfe5.L.2.KTZJTSxw6WZSWhCWvFOmr3Eklx0W6k.h1dLcG317fXtJf3SpC4XmJzDfzilE1KBxH0sJFwfSz0VzFxmfGcXmNzjLTe_LPsZFfikyCvEwI2vN2f7HV7TamN30I_ul1fC0nTrkjd0JrM6uFJOCqc._Cm5iGk79hpu1tHNc.HWyNWMyltPLGx74yYKteVvALrP_1P7AgJwsbKYtegGzxP4E0AYS4YCp7icPQqAzrwDJTHcnPiHbXgGJP0Y6NPdQQS_RILAXZy5AQEQmLKZ1U6x2FASeRkXzxdICW66p8E2lJ304UkR_bzvyHnh3WR9sM9o.vuosUD4vKT8pRfftpzWZ9y0myYk9PlD6ojM.HgdqgS4qv_ojjfr01qI75OLKqiNRQ1g22XVwUJ8lLoyAcE8zjtFBP9bYGHhHpBTWDx40FVewJRA1i.9I3oerFEl5jp9n0W5vsLfU7sMPTBftEhMd73gJXgx9NauD0rVxhdoqrv5dA_JGYSPj0uFKvzn3BLYnngTnAVN83GbwKiDoM2ZZY10gUAPN0drNF3JZyNRUOD0RIeReGdZJnFc8Cf8a_qnuU3P.MBFJh_qf4byA3ATz1W3UcBpTRbasQgknLmK6hBkY2OxPJgES.j_NMnsbHIkKbmK0Hj.5y3RBJ.SRgsuzAt24dWjjoA6VtdC43UL8qtS.rWxSIFyBQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fec3dbaa67a4d';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\/5037629148?__cf_chl_rt_tk=A9Jg0saVCgge079Lrmkb1GYKxqmJMCdlImGXQmf0hCQ-1739398374-1.0.1.1-u4gM0hqMPXrBtkX2FnkuZLOnn7j_eqwhobmMo1vHIh0" + 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