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-218452733255.mit-edu.top/post/7608234915

  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-218452733255.mit-edu.top",cType: 'managed',cRay: '90f36872ecae2081',cH: 'pLO_2mHJPV9vHCtpBXedsC.OvWw4N6f_.aA9KnrsmHE-1739099374-1.2.1.1-OIl046jLKjxFrhwNaduG7SJ9Y0Kwkg1gWzknD_iVOY81SJNLCljq_nxdbW6PLE0o',cUPMDTk: "\/post\/7608234915?__cf_chl_tk=Yd_5c8wJiDg3UsLxkQwq_yzj8SDXkLFJc5_UULHr7ko-1739099374-1.0.1.1-VQdSoI7BVUDgnczPXSvJzb3LqfxY6DeCBMmyIq5mMyM",cFPWv: 'g',cITimeS: '1739099374',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7608234915?__cf_chl_f_tk=Yd_5c8wJiDg3UsLxkQwq_yzj8SDXkLFJc5_UULHr7ko-1739099374-1.0.1.1-VQdSoI7BVUDgnczPXSvJzb3LqfxY6DeCBMmyIq5mMyM",md: "_nkRMwsDZOCD84ZJ.TV6FQelqSyqWHL9NSrR7skkLC8-1739099374-1.2.1.1-CjuaWxOTKN.c7cqNl_ywBzsaPTPF23RTE51qnoMy7VJTv8GLLAFgKQMM9XdK2IoyeGmGHYSpgNzxG2rgZx9z12B1Yjn8u58aOzYis_f0C5GkGwUo5taPqp.JOI5K_KbRHfMHSPvh_O9V_xHV3rUJgR4HmFV5Ld7UHwzhz6xvBBleHLzc51J9MmmaS.uybZWX.F1snhX0jinfzLfmqTK9B6Mx75p0O2t7HikPYJppR0.H_GYdYz.nYrWY6PY7VjF.Z6tGA9uj.SJX24dfx2RWuJAfOIi1KEIE32gs12LSNQQU9dTG2ZrOIm.lVzHus4_CvURFCwwmrGr..M1yFA2f8Y8zTgYfc_JCRZjSJ4Jq9RJuZalE1pe9z4ZNJM5_a.hw.62RXEJ9Rb6a12FmjSJsqNbBoRk_D6ct9STpxkT1gmTjO9UBZ8YHNjx_9f3Kgd3HWIhFOdw_k6ZbH.PTZJnooXMb5c3J7JIw5h8HjBEPrYegcOU9e4bBDszurb7NNhYL0k0RttoqidJpwxLG7aiIK2WbCh345acD8e6rcCm9cNhwM0jw4f2feMt8pDiQBPK2BRxU0oa6s6FLbkbt0GEqW06wj.ODgAam3OIIsdpFsT_GQhtNg6cgUMnGAWnj0MozLyIQpU9P7rfW7vfhplA.vkqiOGs3b0_Wd_lwLecnc1oZH7mXfrQCYpd3a_y4RQW6z2RGFwl3cNkXe0MCi4XfQHvCseuyjjZia40NAgY.P1CM20KJFMImeoQmgTgau29S7Z2qg9vQCnhuzwttItGdJicv2r_FpetVBYMdCe0x5chc3EAqweqsvRjyfQ92c6e6BwkOP2ZdgHwr9D8sgw7SHfDEvc9HqfiLA6hz3cCpK7O9VFa72mlkN0BLzsQV_nifjb2N1LLsTgBDk3S0SPbYtQidF5.qpvbXdg9_fJILb3yowHsvotHisEN57Xl4VdkYTjtzkOOPH791vzkJWfSw3fYkUIe6AkcLCnMzoSIQ9GiGrKSAKY1DV4475OarQistDVJ9btwQaSpV0VQR4VH.1i3fwTKCzY_kaiPElBD0x39cpQfcOeHzRlWeM_UtWIlbIFpozXd3ySAi1lroz3qihouZnG9uchijQ.xsKbJh9FD1jEY3VWXnG.qb4cuCJ_cGUZjxOnIV489E7Zqefj9tKqyH.BsSbzkgRVAE8jEttO7JXzMdf0plaIbHz1YT9YNeyxxfjjmR8G1QnfaIHKQOjMn3wzdy1pyVqa5RRwiNuVQz.nqb4eEc9Adc0Fzj9NOeJHYDPrLmaUf6PR640Z6.zvUGiuzJEKm0yo1DnCiWSR8SS7uVLTdBtbEKV9GCE7U4lhBauzF_138ovoHzHedfFyGLYiS39G6A.FI4Xm9uxLNBGCl0tsAoey1oWG9kcutrG8YO36sn9I8M..9c9xl0u3rVWIIXsqgX6YJTdHDu0QAkw.2IBiv9.mfE5b2jaynQoWYWMJI.nF3590Mmth9Pk0M.FXBXjn1aPMl9V9kJBM4TVkH2FZ5bpH.RWXT2hL_qdbBOuOP_6WkRfS6BtTD5e_cPBzpbqFVhLs32tnhMu0b0JiF9Lu_.rxtPR_uHhMZoWiiUehQoU8FsV77ISLL.VYdOOCwOdbFZdsRqmXVDu7Bze.YjJMOfGMEXO7bnEJCsqIrAnG5UpIGKDULd5CgSXPY8v9DaLRsGzs_Qp4LQmTxghX9JRxjicw4ybpJPRdCzgzaAtmTi8WZscJINjQiXs7yNK.YmxpI6HJfhBWOTDoj1_Ux9QutTd6uHeMO7bDeL2w1BeRdU7EL9ULd_ZyDlS72s83v1YRwNxR9iyVnJNleddtqSDvSQbzb9_ruLNigZYZlkuMZyQzy18YP.7vMqZ1K0ZrX5_Z9sVaTxOjUzqY8KjMde0lODE_WWpwFpCwc49p3y.xOswB8JsDLvxR3JmRGcNJpUPR4vJaOhhZ4tfS.PdCJOlKSpKf9iCjpn.GNbHJWYE5Ez_RwohbmePwhTmRfLqD5aFcBpqtDwMggKRHINMTMhvNxIXMsvx_Rsldm3s1hJinlsWDpOLl6kA_77Gz9aR_UyDqo9JDDYrEinARqepvxDaD3.EDcvW4Hj15tG10FXD.2KjCzt8GKiP6_7sLTdSRgAOlAQ.YVal.7gbSxgkcuErRDJrYZrpFe78zf5157gvlzwDjwRgeCfRSwnKBJVPJ6VHLEoQ8XNXm88S_ig2zJsJ6JNdlySaoWECWYF",mdrd: "DMIC7IHuZRhp8a_mXGzSmAPMvoo8I__4n8NlsAjndgo-1739099374-1.2.1.1-AWMl96fwQ5CoCt.TuCfCys1YLjPRwZ1O1Rt0lkJXvtJidchhixmAE4JrEnmZUtIz2K8mz0bVuQx5uoJZqm0Y.Eqne7q.BhOGECvmRmPk3pgiJdHEQC_iCgkXE63.Yx92iwQDZxGnqZ9IdGV3Licxl.HDL03ta5Grp8UsABOFmf7Pz_nHA83pspzTAJO_AZxrQjrWsxxDGQx9VQdbykVEgxDFOhH6M.SO05rzIb5NnjQ7TTsNZexcwKjDNLcQ929M3syLleSr65BgrKt4JbcV6GDobQGWdNBhpdMMerVbqQ5u.YINwXat4g.o3u2WUiqgsSNEO9OM4AY66dcZfR_qnbSxIJVqxJaZ5qHXaomy526mvhv8QGYg.YFD70YKnAUG9GPNH0mMyDoHDPnsx3gi6iBnmkDyqj1DWwt6blBnMWw665LlCkBsNCFXbO9EdLqP4tXxkX2.5Wt7D6cAP27fUsWE9e1IpqQyghK_JlMpEhPDFmihcgnJO9bXk5FRZn2enlp5XqcQT0TPWq4_TPi2iYXxjRgKRQWmcDRhaWJGDejyeWdP7aVcLDzageBeBk.lYSRyKMBznb1m2Vl0OzWYlpCLb8SXEt3ksXX0Ruc4PPkQPlk3jlXmaChafC6ki_gwntLnfm7ViOmI0sL.h.i6vLQB1JPoOXL9uzvaI5OxuaVd7U5qwK6ZrZigxQ63vPSSm.L2nH1U5j7HSDFaVfHVDxK.ONzEVc0YghQW7XNz1udf3DB2iCFCfMYQv6yITcapln9L7pVOHK8eMupfPUXJL3Y0Q9Ib9dUbmeS0B1EmxmyA2tLP.W_15H_KymEPS8sR3WOFgxmfgTVZBwPVK7MexfEJqQUYaVt41RX2IswO0zOSPX5MuMqY_PJ9jkRuF0ALQ4os.Temuhcz3yooPJQW75e6xW1lvHucKCnbgP0wAZ1W3ZQgcxuIUeSmghQYFz4G8v_4zdmnISEMS_aZGPjFjWoyAvPZ3UXXKN50zQ.94SbFw_OBthJrJF9q8.CD9til8QZTFgpE3aLFnjtQf6cg01iI8LbCz2w0PjbMvMFrILnKq4GWrDu74RDaz.HBSF2F7o7ciGWaBfOAys4UTgLA.5NvZ3l8SAo1BVOZsfXMrQAzqTrG9xmyXG8yuzggm7Yw0SEYfnucnooH0W_AkTuTSvNOm0twynAWgLCWH9ucwdHjoxuquIGM5x9jzI1dUgPtDkQvSuLSTSUoZCE_3ZfvwOz4mfVAzZ6osArnNGTOnJ1HB5X1xnPdaRZsBbEeEp0r.GiQkfRyJis4uhie64tI_.5Ogk44IVGaaxRxxTQVflWwlrN2I42Gawih2RgBWiLxK7KgVFlnBODn6JsPNdkLsP0vvRNnmOemgf9sJspT0uFAkGb36HBJs9boeqV9CvMMHOnqq5TydGSzmKZG_Dtg7gtK_hzp8CwknJ3LZy_P8wGqBUGHm5R1PBdcNkhp.Tb0mUAlUC8ceegsuXPvctkwnW84qH0z4YT6KFTKJRR0qnf5carDCTqXOZlWzvRgzIkzC_5ysFHTPngYwujWBmcKkLkl2OllxGjmWCkLt6d1yctWnF8NmCO69DmpUB1X0ZvIxmLSc.aMe938YcMMT5q8qWUziWPa.TCsH2CAJhxCtoBkH1j4QaEL2ndHLx5XXWS_fThIOwxHwozPJ21OMzgqOS7mpHTH7yo_XlpaXTli60HAhjb5K3.f6hwJAstiU3hBWt8E5ySEXI.yaIGGDG7d0p0oSM7ntTogcpeTU8ag1ikNdKDIgpHHntOyfBD5kMSVzfkqWA4mQ7SUajH6e7G4dOkPgK6eSn52.uzTttJN4Qs"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36872ecae2081';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\/7608234915?__cf_chl_rt_tk=Yd_5c8wJiDg3UsLxkQwq_yzj8SDXkLFJc5_UULHr7ko-1739099374-1.0.1.1-VQdSoI7BVUDgnczPXSvJzb3LqfxY6DeCBMmyIq5mMyM" + 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