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-857346341148.mit-edu.top/post/5867910234

  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-857346341148.mit-edu.top",cType: 'managed',cRay: '90f8105bbf5b2066',cH: 'r2M1SArwCn1gJf6wJ4VhrM0IGU9VPR4.A.PzRhU.WLI-1739148195-1.2.1.1-hjxF1.mstB3YIbT59kgf0vrVRr7oA9mTOm.CdFC0dYZQPlcK8XurNLLHTimiDqBF',cUPMDTk: "\/post\/5867910234?__cf_chl_tk=dXfck0vGJfp.ePedrI6jehCnN82oaRc238lZNVre_AQ-1739148195-1.0.1.1-MioFP8VJuz81sDtmFis1_7aPvNkMp15RMjFITn.9PUM",cFPWv: 'g',cITimeS: '1739148195',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5867910234?__cf_chl_f_tk=dXfck0vGJfp.ePedrI6jehCnN82oaRc238lZNVre_AQ-1739148195-1.0.1.1-MioFP8VJuz81sDtmFis1_7aPvNkMp15RMjFITn.9PUM",md: "gSBheaT1kDHDEentYTaJaN7YnN86jYVqD8bOMp4Ihto-1739148195-1.2.1.1-9BpMH2ovI1sO4ZnYzDiOU78DomE0DovTtAjZFgaNh9zX3mwRql4S4tTe9IjdpC7.Qkjzblc5cA3R0DYc9yR9HzMShba614FhYE.vvMTmjSMnKArzpbt5faNAGunmpnQLyRsMmws9ZgLi3QxEYnBR_8BaOrcqW1dWi7YWYDFN8wEiBrT117RHhCKHHpLCkCufcacV7wN0id7FSiGmMIvWHos5V4L_q3HUkGHnDt0akmCIQjo_nLpmCE.4xV3vfL2krwpXVfMhtq6QTJBp0aXTCvTcVjD88ZRVRFTRbWOg3cB_ImjJlb0x6ODQQUujga8Sr4wbehfJoc5MUuIeZBU7rx5gB_0lGi1dez72sNKEBZzqQ8ZtGQPwvOXSjTlggA7VRo40SsnLecvhQkxW_OkL8dTnelIFybItnCdeZFJoiJMoluHb0v1otUdUkrnK0JU1VZpzVzJUJc9tlR6IvwDuqxE7a2csMjiZEysK8ZJNpK032fbeicetPeL5aURLhIadzjoCOSmLnJgoiyCXJ7O3oPB1rlhR8szViq3eBkS2yi2AM.g5yW7yMr..AWNHE2MOoKIt2wGC_elwtfvfc_aZk3Ch6Xz0bFV3URhMTa7sFXLsVMb8.eQFpHjvPaeO5c2AZd3D8EBIFfL4L6xmsmdIw98N0xl6A27shg8OoNKHDv3N7nPkr7igjJc6QDJNkhElbEE_zVLpeN00lNAevD1by.JKAlJPqHcddI9BbBIyHWSAWin6bdWEZ8awVIDuOlBq7A53bYH9NkpJH2J_wuTIhAmGqL.u_Cy3r4egJ.LhL9JrSbg45C8OnBLP5ANfaB0AGLtO6hfpzYqRNxjNp6aY07iSC_i3Qb1U1PFjpW1kuAwgVFj2JYYdoy2h45gblxiLpfNz2f0JWUyPxcEmMEgEWQZd5sGCNRVMN0QbU7aleH.oec1lHQLnV5jSGP_aXdotOPu3J2GthVdod6k_t8J_8aSmYTVQHkhoVYyOzEtWOUr.3iRHm2UHnaSTw38z4LFNbC7VlwAZRCGoHE_Czvk2hYnCOWIjkwcbCbkm9Oc8RIAOm9ej.KhomgWu9R.wO.ezFHLl7yT9RziVT4MP8HtWnAnFU_B5.VY1sTmWxUia5ZXGM9bGN5v2zvOK6rIY8FRlcqvdgqlpo8V96TrvkW.hkUndI_e.CRE03b7fLTqM1Ojxko0Qf7S3wGfj87kTEWFaWe3LV.O_W0tA1MUQGHdBqvxYojaRpQ_j1y6_WMed1SyM_aweoKyYmowXYgEsY8FixjVvIQ.VqdPv34p7B559wfDbB_d728Vo38DJxpEzDU5OXUVCPpPU_BJzTxXLbHcwNOKCBtSLzJIKW5TTSHsF26M1XLu6nPbXvjIzVsKvv1AM7ag1HBckKcX0fwiAMpJx8CRYkK_asaewZ122ZJFZsfMwBSNxodMTW4G6zeVowfzap8H73pqgdRO4KeJLxZ6ei2NCY8kZ7JRkvtN8x4TqtgzCL8PHjKx0FfLuBYQQ_T523Vh30Paub..v9brBzyH7I_YWHt5zVoTs3GlifnHloEPFcJpho75JLDw5KdGHLre8K1trx_XhMtSJgVgYPpiOO4RXvls1on03bd4Fcdq9Ub4qCtXPS4ii6lwoXXTvt2w3aQ4Ds2IwtVwojFSWrksg7e2VOBAVhqllNQOWJn4.3itojOaVSZEyV8LoRUutZbe3Itu.iquE5EOldzAFfxKrRytWHrbWuzX0jMyOKfxD7fqUD18Udmv75mAyu1Tr1qVcjgb48A_J2M6AnTxt6sbEIPsn1bbPNfqHkcds8bD6kCSuIlYZCtg_8bIKBBeJWXPgYOH1DjhfeBnQkdssaggkntGf68CPpIg0PspK63DRp.0XUyd1XdhDtQOeXvDLD03U0L31b2oh_3R_UuWF5A0Vcj43pYs.jyXvvt6d8q3uLNHXnRmFThpTR_VBql11BlymwGEP.yY0SzE2zae29B3dN00gX0DYavCwoAAZcFTRz0CniJ0wH5vmcigIAf47hSjdE.LAaaLKd1uXSeE782WHAwQonPg7BjVcDELPs_JOBfqIoq_7mKkfEWqvSOtnrAOOjqdVFjjIWpI4_Q90PVUO2IcTDfECWmj7Gk0IkrEZv0SEwAv9594J1uNxJOTqXg9KAgd9nWgHqIDEXcjvDrHra7k5Bl.r5pjq.bvfb8gO1VigBMZDzb.t1a4oeOFAgRIPbWCcp0kJBxqB6Fzof6n3",mdrd: "aF2TDxwzwmLARDuh3LyIU3isqaB7PkOr2h5MDQGwi4Q-1739148195-1.2.1.1-6OUPOVfztqLQGGO.XG4WPytvqi1rJcwVkEiY27ajg5AS.9RDw.44nn2ySQTp0t9XLYVB13bySXsf7KLb_AZW22IgOIgsfjfWMRX_EZiP7oAYBu16_iMkuHV_rAF4UZgSfzGPbpulWoAi.j2J7LVF9ujs2cCZXIPPsEMAGnUQCdShlQ80r.QaB5iHIy2o008kKWcQfsXgNBgwnGuIjMPyIUXo2rdQfF3hiKwPrI6ZNAwhh70i63IM5gA3biZghTBpwj280Cdo4HUJZkUCz5hutCk88zeU91ceG9euE4JS5oUUKFVLkObDof.15HzZQ5O9bV4gI3hbY0lZlcxCdNWX1NuNiRf91JgLZPnNdTD0gwOEk1sHrPWSvD4eLoF8w4Ov8inMrHQf6xKYM2V3i0be9J0lxRPmQBfjJhNgSBscT3xbOoWmTJGH7BDqPv22TmFY98Y070vLdlhCsZNHLYTJK.laEKj0CAxKQX5tlOJWLr9PUdbjvhOfWJd02tBrjDQBaCtAsKn0p.If_MPRsMpnDdh9.r1uQPTMVIbYqIwzSaeCDEy.MlxIfqjesAPFSRHSQ.vxTINDJEIva8BvLna9Kiq7XYrHY5BVUkBAjCiFJOLSGD09mwKGb87_R8a59OssmrDTmZhcNMxZOJ8dxTNFtEr7TgfqcX3z78dBz8uDKfQ6Lt52WwcNotawo7zmtME15as8hy7JnwqPytPEmhJPN2ksR3Srodr5X3U3RQ2tDECm3in..5_AMhZioeuyP9lCPfl1hX3PL1Up1HR8p00_QtsFkEbh9ehUMwwrxLgLQjLWMGYw5xymtTnlIYm0HzEirIDUpQGW6ExjB8GemnjEOHrrAYaWLNeMeZ0LMqric0Y4Qh0Rwn57LF6g6sJkgqD1UCv5HhEgVsUpNXELuC66r6cYWuDtH14YTVq7RNihpNcTcqXlnqSWN2WhjNmBr91cl0K5ylokuiARfHRCqGmCNmGQkFgrKLTvOpaojuD092nt02Qt71hOdRspYddpWITnfIjxb3NrqgwZ18U91jixyOnS0Tf.oe9sn8X.8TwyvWe8RoDW23GBa6Xsj84r0Ti8QrtFraE5SMn5DjQBK4FXe1Y.78_ySmi8F0R3HzKqiAmqQLtwB1DS.sWCWk6bYNGG7ovCvDqJ.DQAJCrDTns0OId1wPjZ1HHxnRWoKZZE753HkJq3FVuw1zzLjwKsTM5pF1X2h0dr58gojTiIP._35OsE5X8gwQ8xo76ohzmvx_d3SVvteUn.e4IQYCbx25zituiHW1W1eMSXuMiRoUA.zghew6I4Aaf.ZyfEYqQpvhmapEEIdDU.Q9QwhW1ZhRMilA0qa5GbDTiAnKvryLRhPXBqfCYYUFFRMLsPNBg.Ng8FINQfOLXyeXdgIRu0X3GScgX3HT8PQ2pG0fiLkeB2EH4ffk2RE_9Gg.PQySHAPUNyoCxqG6qgDVsv1Aj7rWaPZ2Gr2fjNRtY2.r3eVkasjV0HuG8a53Bkgx4UExvhq52Hpen.ZlUgvp0HHkVAy2b06UYlgRwIkYxhCe9iOWsJQR6XZK9YpkNVMH9QerQ3QTOgTCQJcpYqUav77v6KTH9mpqmZY7g9baneqCtbyCXszoQYXHD_KtS_M5vgGn8RQSaUaSq56Omor3gbmGYqJCMaJqjvhCWOt2Y.I.FLHSJQr5khV2R6f22HCllMHX5zzujQIzTYLK3Zu2E27CptUGMaPvk2bAmal9XuUbBh9gyLSzmYyCkKXTO5XxdomZjYtlCmLcRiMu5TEoxiovCrwn5m0lGPCU4bRHr9O_Tz.PGLk0SjrAf5CWTzLHuPxNj96Pg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f8105bbf5b2066';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\/5867910234?__cf_chl_rt_tk=dXfck0vGJfp.ePedrI6jehCnN82oaRc238lZNVre_AQ-1739148195-1.0.1.1-MioFP8VJuz81sDtmFis1_7aPvNkMp15RMjFITn.9PUM" + 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