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-999390081568.mit-edu.top/post/9731468025

  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-999390081568.mit-edu.top",cType: 'managed',cRay: '90f3aa7f6a662d11',cH: 'daiB5rYifhu4f9CeAJv2RX11B9eKjbmINE1ONdn9Ixg-1739102079-1.2.1.1-IgpUvMB6.kAw.v10g.uyfOOxMohT4jWMBjpiFBuHzGVSSPut56ZYBN_T4WFBXVyp',cUPMDTk: "\/post\/9731468025?__cf_chl_tk=Um1ODSpk755uBDZ7SVrZrfMSmpKyRToQnjU4z3rBmqE-1739102079-1.0.1.1-uyn3D0azVEUn17pVPqQZy08g4iHxOelx0ovK25IFH0E",cFPWv: 'g',cITimeS: '1739102079',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9731468025?__cf_chl_f_tk=Um1ODSpk755uBDZ7SVrZrfMSmpKyRToQnjU4z3rBmqE-1739102079-1.0.1.1-uyn3D0azVEUn17pVPqQZy08g4iHxOelx0ovK25IFH0E",md: "5x7U0tGcihpF6IICJUhVtkz3SROlGvHo3EWKFbCMwS8-1739102079-1.2.1.1-HMuykD.IO4Wka8Y0kPnmJP55LuKIllSl3eWJcAUoQvrd3YxcEXt1SBtR6Sc3Znvmd_K15qGJTYc54Ntg.cu4qmJfxNeMg5JVzOGbmVBGHuc0HjeyhSXFTs9GhQoOsIVDPVuTMxUnY4srj03Wg8oFyp6AGjn6cBGUCAJdLkiYpX6bBEOKxUI34Io3_xZwKugXATVmGU.tyejZwXLSjK7BZ19hCxhB4BKSwarVGr0C9r.YW.XB1CGlaAusqQS_C5.xu93Hq91pB.GPJOSevJIBlvtFbGvd6_jnKONTIfrgOE7.hQxnq17o3xwV6GATVywCrJgKQLjgOaq.TfNXjICXi1k7SGi3qJ.jHa.CxxbvnApvFJRVmRBGcsDVgarQa0WemVmA6bwjg03bX97MCXiEJwlqgra1m5fGysGkkTfc5jfKPYopa3XjsN.OZaxt9OXcmGjX1sNgB2suo6wfm02TzgxE6vfm_sMmEE4._9k90X5KBiKyM9VjVl99jVbFZSQhAhTQXR.nn0hpmKvOOFulC6QOufvRnj.ILKmUGwn3QPmFle_e5Slpx1aVAaF8ga4EkEsU4vPyEKTby8G0ea5ZNCTmzNAMcAyHmaZ85zhZEBWIQIN3mw1OVRFiublnxyxaOXm_lz0j88F.azCU3.m4LqTXqliRJR3FlTl2NE0dxLyLzirnl5Cy5YIONQXahdX6wWBXaiIWDBJ95VHQM4m.3H2vxFS3fj0WPNuFT5zjkn1uhNljL6RKQC8jH9d4PAQIxcyhudtdqWD.H9PChC5Y32bqTwj5fumBYq5zxhWmA2fAK6AQTOTdTOxgczq46jzZP_55CmyMajrt3k7aHY.aRJ3VUtMbZn.utNxA4MyIer86FsU7x41HZrXPp21Orc4hwyXEpN03yN4FOb0SAeNVGoJzDUEVxxSgdLj5AFidwfFZxRiNtU66V26Jq59rHhnNMfoWQs6y0do7zVBPvKV07lQ_QWefKspG0Nj.CmkIY4e1xHc24SmjXMZ1TNEc_yNr3kjXS2.ge1NXBtVcPcEJZXsuXdIihdO6O.OJFF5AZpYu3QbPJFTP44WtKXVp.diwYN47rTr3s8if3gm8vwm.sWm9Khqb4UJ1_w0C3IdRttOelXe5aV8LVMA694nmndA_hoVeqfCB_xv0ZZA1yhZKfEqwJZWUUZ5KrnlG.iHeofLd_FMRJp8vhAFNc7XwyFWUvLc9q1riqcYS4r_IhoHm3PG0oZVP7wSS1L0sz.hr2NYjE7n0XLd_348hZCl2RgxtPebJzsT_3UhTpzcum73zk0yaFRb6UDTb8ygKy8csEWU4bFEB_eJs12S9JhZsnuNoP7fIVHRoQ3tT.3JxH_3N0TC1Xl4SOi1w2Yvttnew7eh1SSO_dYFcbLglxBvK7Kd_9aPazAXXrEGMdow1XwRD77QgTQIeKnlQyTzcHkLAx4MB2KQ55dluDBLR1BYURfjwZnPvvn.wsTrTwjJzI.WobG3i00I.R8WuvtxOU.UvnU.Nrq9Rc2WJgqW1F02psfhhdTi8eoi.kOlBL06UwgVJ9n.5oeVE6KK.u5BuhraRtkkGP21ZTzd.TMy8Jx_amhWyu9igceP3EHbvY4Z2cyujx0z0EGW4P3yZDS706RZtvtzH3yRAzPU1JeZ7UkqeH0EByIkUaeYULuqOjhGleOcBdXA1dP3M3RXyDgrpHVMiRvMAAMN5gX7FoqDOEm0_bvzk3k_CArmEKXVA.K4PvrHjtnyxIm_K.wy8rpOpxcr_qSE7k1ymay7PzSCT0pGiqTRSD4TPYuFDL..DYrFTrmPd9H0_PJb68ud3CJyixI2SvG.tN.NOCiEQbzRK.nlwVwSO3UTbJxJeDx9qmt2jl95vrCu2KGApmdPwcM8UDLHANTRPwnyfuJQhMa9EY1xwUAt2F2KSHsHSxPUD4GM9vjNixsMZQEP1tEJWxDNEOV2w4rIAzDhr69z33gpf1GQr3vPK052Td_GMh_3OWt7FI1kJhpCfbRzDRxILXSGaLkKo3o0tqAlPd1w.Nc_Z4S7ka9gl2I68wAJlkznyyleGyu2z3A3LfCJuPfFxmAlf9URyZTJ6yV2OU1uQiUwMcKNRWqZTa9BpM3pokh1h4U9mjBAlhfFwcq0QkxdZTOb6TrDY0u94BS2kIO9vuaWqGHbzLV0xvW.gMq11ZPX6_C5NC2JfGYQoVO.Qhjx9p6IVKtX1Jb8swRcvcs914OEeqPpRRWAH",mdrd: ".spF_fUxIycTD58jX2GfLna33D9sy4jCNG7qsL8OMxs-1739102079-1.2.1.1-TddcjhApCh4lDQmybM6Zb4TQAku.YwuO_Ep14h2jfhYbnoun9jUnKENXQo5_Qu8CtY5i_jhSxG5auSvSpj59XQrlYOzFvkOq.VskMr6AYzNX5sZOcJDmw.oITllCCmX8Zli73I5T8tdL9bi.wJ0w2ne.XJRld5TLIQWZhFEWuTxJi2bsfI5JK51VVF0srgZh45kV01lVkBKAChXyi5_mM6dZn4aHEBeT.vI04LT471cBKJVVKy5gQNKOVGgrZDJrYlin9P6C.0IA75mB.8VcWxf.ofCGFLYuiLgvh2XvMftumBKW1foMy8UaM7fjZiEsv.t4EyzjYDCnkCiYRGllscDSjeVecyU_AHEQHNw.2e5UCVcW.HYkIDIv6sPV8sFXUmYtbzcVV1kceD8BVcBg5xElleCWZ26J.KyuJO7ahxIljbukl7JtJi2cySUAhVSXwWlnUzcJZtz4efhXIrXNaZNiv6k.WY8glILQSVMAOW.w7VpDowzq.9NTI_Z2H6P7MU92gj9EnYKrZqef0UkGsNa1Z4ySTejxjyHaGaPLDO4shSFjJ1b2pI6Wzu0jf3bJXRCua_mNUxT9nnvqJGHb.SdieyGp3EiTDMMV8sEpUWCZOtw.ND4cyaHDXbhVWQxltrO22_EvQhHK1dfUBwLVR3b2hZE2W457xmlhxsSrPjs9NRZp_cEKy5NAkkyCPf7y0lfLXG5ifDJZfmuwSRH0MBKvUnW9bQa1v6Q8lDc1e5nxxk3ubF69WOZwFVFOF1pUpbc_nbzlC9MMLC1weAQTcnNHDnWtVmfNCLVtkIu.KHK635pveMjT9_XqtYScgQ6vMH13RMKFSe88ghi8pNCKlPGBNLie1OGN.eHmenbbYAaQa9v5xK4apeg10Mfmy3ZgXNKCinH8WrwsX4KYPmFJqfQ3pN7w2eE5RePyPF0f4_moz_vYtvQqm3JMLH2mxFzxy_Su9FzTkDqfDLHY4716jIdZVeYkCWL7trfaC85MoK8igfC0dPMiuZ5U0m2cRc7ZjG88H6onLdZ92ftXA6LSanEJqoC3suyCf4_RKiZ70ppfNSDohs17uFsAXFJuYQBNdk1ZfnDboXKj3iujhz3M0GFgjio2cX_338LkFLfKOFhNFrrCBUtk0RB4sZODzltMBsGaM.Qcv.822xupVbXgGr8U9Y3_QBBVxes6DblZiiV9hA.zrJdA.FQZCpyumrvbiGE7r35xma3iqbs8q49qd9J5xqnrNMex8032A6wKzZ5GoSQhX3oEKM65FiWSmGeiuQRx8YCdms9TtWXf37B2AE2nOvSDiDJj18hhW_o6Ge3POWXFsVfncf0vuM5kUuIYPkuFYy2EaXsdXXG.mjJEqUbC_kxG58ZPk4SHeBnuXAA5EVUQBECeycz3wS1Mag3cFGoZzXzkqh4UwjefxbA9bOuKUjjA4rp2VpwI6F.bm_qr_0pH1jxA3Znnh8RMCOJqRGpUHVdrcRlCjEoGbKWlEcte4aYQH2YK3Xzcz46_Hz.1XqR6s.mcDB.WXtujBB5p4.MtLGynn80K0SKgeVaXKW_M1Jdq9YLWim9SCXLuXGElLRKzmNU_FweZqtlF75.lijwr73wKTNapBifXcp9fuQgU8ch2C5wNIMwxyo1JQSLUWyHzfZJl3Lx_PJzn5sqC6xyRMdQd2pUnQjSOCe0swl2qFJZZAreTFBiZZ8PqhY5WWSMeVXP2FPvcTUWVgKSMOSOGJrXQm5w6PVS6TKR8RVIbXuUlzmaL7E1PtAnYVosKdruDY28q_D9phUPzBRR4HF_Dz5iYajDHNc0gB8mzPA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3aa7f6a662d11';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\/9731468025?__cf_chl_rt_tk=Um1ODSpk755uBDZ7SVrZrfMSmpKyRToQnjU4z3rBmqE-1739102079-1.0.1.1-uyn3D0azVEUn17pVPqQZy08g4iHxOelx0ovK25IFH0E" + 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