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-643907418486.mit-edu.top/post/1976358024

  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-643907418486.mit-edu.top",cType: 'managed',cRay: '90f711baf9dbc983',cH: 'kuJ.ULt9bDaqn8u1MMj6G7jWoElA5sk2U96MdR9PqAM-1739137765-1.2.1.1-OxKxNBQvxnj_7lZsHWinBmOd1cWOrKjaP6aIwzOmMTK1GtI2tWv4aCQa55TqlcHO',cUPMDTk: "\/post\/1976358024?__cf_chl_tk=zf5a5uTZkejuzSVTO8ye0r1mZm8jG8FveCOpVsoM8MI-1739137765-1.0.1.1-vAwkklX.md6o3ZzUj_3JEXV76ibsbcMcspNYrXV6YGs",cFPWv: 'g',cITimeS: '1739137765',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1976358024?__cf_chl_f_tk=zf5a5uTZkejuzSVTO8ye0r1mZm8jG8FveCOpVsoM8MI-1739137765-1.0.1.1-vAwkklX.md6o3ZzUj_3JEXV76ibsbcMcspNYrXV6YGs",md: "uOZHgHalmP8_n_WqbvSNMI27QqclSModZ_FFhYzimYM-1739137765-1.2.1.1-kNEEsrQuxylSesrT0aWt0VIcbSPZ9AGP9X88DQBY4avqfMU9jUZFLMYnDCv5rE1MIVvFWNiXD4lRnSlqKsg.gjccH4Im0Y32SrxQZvKFETAS0TJ1JsCCSnJ2VfOfsIZ30.AKEwawZhZk8IpP3V_Tk5vB8quTukwWdbYmXFQA19buAJPuT5DHmdikg9CFfYDk_EUxcLudx7SovsI.URcr93yHa8P8PC..utu7jijQa7NyTtpaC65AbRDAixScyVdGFbugtUkIxFIMSYNo_ijCFSIbBAzakx9Dc8U0JhXSDcOScIVpav0QStLyd46ZqWzO8KIJ6bBr4nipV5cBPLSSHcfQKAGRrgSMMiTKGBVYUJZPYAa0WKfzklLgXp8LEBqeVMPEdcpOCOeqEkDGWjDb8XXdhlgntNgL07XSwp.IcyqiOxMQ_XL4FqO7qpmhzNLujUy1xECUh3oxW0EP7PdWaKhMGEAZHLYHG2ucZsC6Mc4XvEZ4uaP9RenVFURiqpxTKy3W5Sr7TBNKXoQX.a7gIJxwfP6Z_ezdD.bB.Bnd1hTIlv5SpqQmRAaQA0vyyHqgdNsTb0rxuq1tiWYigqA6T2speEibm4Onqxj2m_OU_J2YO_fylyCBMgA1fvvJtBbhB3oU6qmwEeL_LB8gt9xOLLjILT4uKDtXlj4N7RATtte6fCmxgw3Vj.jcxIFQptwBZ7ssr5EpaPekmBy.Xg0dvbMp9JCCBYWkITDsrbBFabg_mv9KF8go3Z36I4YdVzLS9j8f4G5PEdwK9wTTtTLpJ1e4gz2wvNa68mq_PRsB5k2bhbQDutvGWaIkbv.AdbO.QsEAe5ynNVPzHAly3IuUm8J8XAC_vyV1fps16g5fqBZFm5WxMTUeTyM7WFvQfSbNwxcrP7GRgWh5A4QLiOSPjbfkj7xYYilwDYX3quR9_PCFFEI7YICrgml5U6r80ydGQNCDgZQuh7xf29k1EMF2gE9fepK1go8eFkbcsJqim7tFqy0AJx7WWDnZWYE45zVdn6qpppoAPqiJIzhwjh6K8_TzZmwwV0wIS3uUVPeapsFjjkHgDtog0V3_Z.DbugBtDmpKhJZvFt2VdttrzPHWSrHKBai.ml7dJBYL5TZNdPwGE1OhUtj0asY76H4D66PVaauj2LkpTptUBleDy9ykwQnrQxd68RAmvvrlXAt1R25LO_LIz0DiM7jmvWyPCfosyYEBmO4baNhPeCP68DJ4e9BB25nBm_4MF.xd9jXa4MdEFfFHc9dhP7aOpEwkt_bi4_6p4uHQswBMcdbK_nlDWgtVinYcCfgohCpMR2FiCrfANPg6lVr8thuU.xXEAa.auZ6DDt7A.qarki28OVcVpiKX4bZhPNsMz9gfSQ0X2C.G7c9aArPbGv27V3c0kA0kvGKHSUtPgfC5SWbc7Mol9fr_AgtSovVPLPhm.jQKLPHrYfX6wAs2WdA0azw7jlPdCf8v9vM6vjJ9BAiDj2fIsrRJslb8EEe83dT7mbk3dpoo8_wm9hTOA6ElNwuyFbhEhHSvXwD4tUXBA5HhOC7eGUdkkqVe1v4d6Ae1peLVNwTGw2ShaIXbe4IKsDQ5lRU0tDTHLbW3Lep0a2Gp6XYYFriAgT7VGUHNkuTzgLJSddsm_We1BYVRs_8q3RW0UZ.hVan6ISnKhrst2kHbVNOs4_aaG5x75OJhHq_NaeMiKoFcI9MVJj3BHxEPJhgL_tuCHCgNt2gcesyx0nbQiPJnDqVz99mKUkYcTH4m.ukOkjalOgl74kZJQ9wIoRwO5qsGmsyCvPu7QDzifP8mX6k8xuQtc0bnmrazayHSlkLFUgg0rnIhcz5l_uhFb8I95aHqSNgBv8CQXy.SZOMSYNUXdkR.Qlb4uk0pdb82UwxGvrSrb5ywSsJr4KRMNg0APVoSw8lMw0RJsUxArnYTymJkq4V9oqAPsa3SFJOaHR.maZD_5rywptQ_YR7bncNfJ5tAKieV3G.rCSDo8MdvYW3naVx4dfD_nkHLDSA8KBdanDu_zTB5bWaeAyhLJ7F33PB0zG9tLuY27kMpySOTb08FzG0lsVm35TVD6z9CRVVrMzoSXOGoa0ZQnyHzo14ab6vYVABNflrgUDBRcvkfWtzQOut.4P6HGAR_E8mm5QBDGWQOlZKc2yfzKy9bozc.5ZX3p5inevmsrAYVZlcZdTvApWpN0bNMsWMPdMwC1r31Ms0wibfd4dgg5DddoTRK6cQy",mdrd: "aJJOYkuGCmi2TS48jQ484qffafVrt.PDaymWuh9QsP0-1739137765-1.2.1.1-CLqIqee1ZslfBhAz4ONvuAVlVu550M9iHON1LR8hBFOiBhhWcaWMDCtB0MsYrNOmngkzIPv2xJD6G7xpXnyIe6x_otPZ9lZqZACBRsGfgn5J4XhDspU.iYFOJAWSQF77.CzWAW3FaLVI7AmMCzUtoMHMe.JXr7XH_yhmbeTdjc4rFSGayAB3289tN3AiPmRyg0G0_njZEk2dGwl.buEmQDuOjtWHNsjwYY3WDWSjmsMvDBx2bJFBBH23SOVikjnmidmjQKMWMzMMLkET518uVrk7zl.dj17EQJocX9R.C9fVhAmRQf2a_4xIOFUOA8i1Nw0oGkJNB0h9hAn2UU8a1.1bzLZupJrDn23Q0wYbIBrKG_Wz85RQP8sE8cDTGDJQhZR2_lGmCgOZssFCaQcF30l7JK_0Z9rj913VIltrGxGSY9luoD2Xf9pzm5QG8vtz6zszO48LE2HgWBITNLo5Wx1Hzldecmj7u03NlSdRzAXp5g5NHZWFoOlnZUq8OCMssjdjSYzVzjv.ty2y02ynOds0zMCvO_AZWOkYQJ.XHgMrOzM0NhHZPIrWJiTLw4fAkFUQwG2b1itv8s_24TmoZMkBH3U.AVQ2UoHNkspg28GNJwKR0OKmWPSjFsRM7QIuNH1pDYaqDO5Aj9O_wZ0Q1OcXjMiRpQF2jtNNqE2Gajud_lDfWNVze58lQDESclAcnWhEIv1ANy1WBV.Mb5.dgyB53C.rix6uflHHiqh3Tt5a3Y4xSJ8_mpCg7wHHo7Qhzlxox5rVjlb12HJ7vw2yxPtrJqKSc68DQl4bY_SowQuz8ERgyc71XJS2cEIJ2_6KjBFi4NtbXPA756MjCcy_5REgVnK1MYGU5ZBUWQySCz_CeMBkiS_9VW5yK03P9eB_V8Np.c35HLUqw5GmShxURBnOT_cSmJWHxrXV.2aoeQp0gwQvZC5GAU16GueK4FuB5tdorNTbsY173eDaNP0LvDYJ9NrJaml0aKNfg8Dn7unrLHMW_lPVe6cMRz9jlg8iWmQSEcgBOcx2bdt6PicCtcvvGsj4bT2Rgx8fT6Nj8oONzWaU4L9FsepvG4C.cwK9UoY2cvkjmN3jtyB_Clr8MllW3mkY6W9q08QRFQLEsF0EFrzGm7nRJuryLBOEIeVboDmyZAB9oyMHEi6v70mmD3CpgLRMspAjOgR4DNKheTcdaU6LODFFnEazzWpNpVi2f1P1xtUOjBjA4fIMxg5xvL1tOUSIGTqA9YHBjQfnHlh4s4BaXYDCst6OPhHN6twV7sTyRVMwiPfOp5kbC9VhHL5IWXLDtVIX4RxZltGw5DeEZkgVwoKj4zCCB7hNb37Ch_8K.nkD11eOgxIz8j3H9ckfTOo3NMCmA2rkaSao4WOhOPeY5zbhz3zJTSIVlbT5oEoR.J32unn5LUWelb06c4WZC3QM67sbrOLTSQzu7gieiZ8oC1qIrBCUz0NeoP__M06v_rNal6tndu64RdT5is12pjP4Ewm7Fh1gTRfxJi5fOfoy9TB7zNY3vx7xMwnpmfKykj7RhmuUN6U6K2DN3HcdBsKc3Rsv_CsMNGhV3Hsxep2PUBIv1OExNJBepxdjpPMBOH2GMOE1bdwRwy_aCeS3bzy_vnG3C97.ln2e_WfiSzCPVmpOzuXn7nxUg.mDaZTOowpe8k4hyegWYaWgNDwiK2BSpRPJA3XHg5jJ9z15l2af3p8aRM3KZy_9lu3LFO8slPECwUr0oM9bPvCmXFQC7onjGrd3Zncang9TgTi5zAHLvOX1liJjTqW8k2LnEpMM3_UQ1CBKzGS7guQGEXnpys9.AqWqcNieZtZN7SUGewPK815PTMXNZVwGL1Fb"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f711baf9dbc983';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\/1976358024?__cf_chl_rt_tk=zf5a5uTZkejuzSVTO8ye0r1mZm8jG8FveCOpVsoM8MI-1739137765-1.0.1.1-vAwkklX.md6o3ZzUj_3JEXV76ibsbcMcspNYrXV6YGs" + 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