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-699300689938.mit-edu.top/post/6421038957

  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-699300689938.mit-edu.top",cType: 'managed',cRay: '911044c7fbb5d65b',cH: '2fxCVK66SH5RVJEhmGdCRQQ1vCZAksWrdz_Hy7nqURc-1739402000-1.2.1.1-AEOtf3v7ngbk4RyI4EMyNRSrod5BZFClGNSBMVm5I2d.lA8xP_tm6GQzFT8alJ0L',cUPMDTk: "\/post\/6421038957?__cf_chl_tk=YtXfwJtfzwcSKDdLOWj7q2YPBCbMPtYF.tLNGW7uwSo-1739402000-1.0.1.1-oHec2.xQbZkG6fwIEbrYZ93_yc14fsnxXyj9UXgq4hg",cFPWv: 'b',cITimeS: '1739402000',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6421038957?__cf_chl_f_tk=YtXfwJtfzwcSKDdLOWj7q2YPBCbMPtYF.tLNGW7uwSo-1739402000-1.0.1.1-oHec2.xQbZkG6fwIEbrYZ93_yc14fsnxXyj9UXgq4hg",md: "uXBFAmn2WxGRzXCvtAGABBVi.7V.coQAEmUGyP2qNTA-1739402000-1.2.1.1-W8YKl3SmJ1TuNq19GdARCpggNFYqYhoRkgGUuPWgK5DEYcceP_pnDrcizAZSQj9Ii.oQTPfPS2diSSuuDhNXViyOSmTsSpdFDjI2XRmGy7ZUeaE7muym9OiPFBdcJa_sUSfQd6oGwch3DUv4RzxwlRJq4R5TMiWjKlvcqlN93uI.itYnmH1iHm8rDH5HiUCYnGF.G51GwJ4CqhbFoTezRTIjUy1n2J10lvj6hNiBznX2j3X0HfcSE80EaBR2ZLRF_pHWwmydxN_8lx1d4O_4pU4Aw3.gkB7ngqFgsNTmvhIK7GmK8IrrwdaQsNA1gUucM4kC1ty00TtzNAVdrSQ4m69tThDKYEJ1BcbOaZKPrYGtzwrJdRUtrDUjjobYUFlWIxTE.yeNWPAnlEzzR7jHJOTu0f_jJkKA3j_aJr755r9oCQwxiXRfGrJoWm_fNeDE0r86wuDsqmWYV_n37Ap1V7E1Y96PoYEP32gQRulAWiOgb7dQrR23lHYP5Fr0Vvs9TZJJQsQUdjlWirJ94NrP_rMSIBk5hjp1IgkrOGk7__lzbau89qIFfnwAdhZSyk5Voq.27_4Xx5z3ohjcMeTcIoGf7BSkplQ5fPmlzboCrTWHBSlqE.LBQAK0oK9wglmAwDPfK0EtfxKE83vu.muwiablYKO_MD9UJ7gTmnU9d3xw4hxBu.QkzfF7EDAUB_L0b9f4ZjAOsHIHwOh7deBrFcHt_zh6_ILc7NeEBJHJFJTk3ylkLewD.uBOlMUcZpouJggwMg8ddvDOMaTjggQGhKufbL613BtyC0v4pg7KpO8ZHWrrifCrZUyw6bk7.BaYPQUaCaDyWNP6ksV9ASU2gGsPB7tKxuB9iJ0DcnOYfEctAf.O8UnNdywkxDu6_Oq48hCGM95vEokDmrKmOuI6.ESimbgIW9xwAhD75gmyENIrQ8Ri2Un4SREpGq7AXcejveIoYY7u2ps.XIvPPFHHt2lU7I6JZv0Y91.LSlPuVLzfoV7Qnwi4TpraG7KDz3iLRKdW6NDk5cB7HLbTOF3be3zeFSwCq_pNjgGJm0PUp.FmAddZzSYM2.sdZWatgG2EIhGeDpd7T_G2H7s1DJt2R8_EuZCewn50sgnWDtXmbjIVfv3dwNTkx0QFUAqZz8lrjfA_qsytjbH9ZOcM47v2Oiq_MY74tY8d9Qpl7Pm8Sg4AVFZw5_pI_DTX3owfv.Jxc2r4qCmME2I9JNkA52Nn7kR7nWIBHkPaDiOs13ZoVI5J5zSYvng1jRwTs9KYgbGQRKImA60L6NEuAAn5SFVn8hM8dKe0VcQ5Zz4BYDSKBT5kS_UwarEjizY4bg_KqkmZUmQjRDfMzwDEpTqwvKvCBlYvX1ajWKLpGvAT38vIaPpta3tB1AapLjtAsq3Lc.eGDKSSCyP1p699cPs.0UDwZxbd5YQcyeLkIrZ1pQGi9kHTStVkpVErcvpizP15z7R4NJ_2myhkMOhXHZnoRtqbEp_ZDJDQ8hPun0cQ6s_a7irBCrYBVEEvyeaaoLYbFAh7H7jAP1QO4IuoAfd4wrTr_y4XSUPLQqINDEh1ChZZypI9lJZ9MIDlu0UahnRJNt_BgFlnpBsAL92DFj4IzLvFN6u4JHN4uM2FM.mHdTL6FhMk_a.aIhoZaxvMXz5phQqyLOz_q.q.RGqqyT81Ixu.SAxRSPG4J1Vq96FUl.hO4Zb0ZHKzHEhSGUYathLN97jhiOilxLAGDdFk5Cm6RSVPVpCU7jNAMXhzX_bHT1IW2Ht6UWVri8EgzMQeUOmgdMZ6YfT0vk5Wbd33v7qHoQ6ge0Erfsb3HrUdENvsx9bpw5UUbBL3zWtrNGbC0d3gmyYJK0bRApe1IGTSwrx3x2Mu8Q76KHlpWZPQk7bE9hgEwRnwUNEh2HoN1VEVA_OfumX4GAZkdb5dU_SUILeNXrxRzVL6cWBK82zrk2AdkLOGBAAaJyufkSQ2zDdsBOEB1ABcso3kZLpyfAvFQCxLMhn1LU6mzYFyI.LCPo9aOy8jD42RBHmV9aExqE0mQxd7Dq8aq2BXHaFoX2vt7gGlL5buGpxTNIjVubl8GJ9vyf05agOLbMkVZUvPa.u5PLdjBSrDu.h6zCjtEX2PfaFCsvarr9Hwzcf3OK4gG_432cNj2wweJE.uIiqLltCmTEF3CaxJ8pbrVaB5Fy2SJP1nwsHsuZQYPgdcJ6szAuKxBGbSvZ.CITzUYv27Rxpr.5QH_e.Y",mdrd: "S40.sfxd6klAnazURqC9s6U48HQ9a6hGHLIz40kbJvw-1739402000-1.2.1.1-jhzQHsl.7QCK.QxWCGNCHHYkf.LQye7OU8chLyrCkmj1HXTB2lllKGdMiNC_vAtxI36neDxIbTyn5_KDiuqXUn24SV03zomR9KOHs_ov4EK2BvVx948RGCRlupr9y4mY5VfsSOYXLbIWneITFl4vkaOrhZJYpPr7dmQ9BfCuuCl0wDna_EpQos9.WBs5J4BKjYDU7VD8tTGmWi048W4awLctL6IvyFH3dQZFkxA6DC_Y_NNu.rvxQjqcH_9MT3nnmmXzRZMWFfPjUBsLbcEFmOCzv.me7g0gq3PdsRCZ678jNfVTHSSE3cUT9zjPb5eC1y2daLNtXRPw27B3H5c5JivxG5xfxefyirR0Vgkwa.NbUyvYz4frU6hms3tPIliY_6pD8q_nWwBn6gvoTduELti7IoyT7QHJ1_iE3lRCQCGa8BDy.F9sGOQy1Q3Tjr7rKVWy1m.KiF4EhVAChEgKN1zcJrgDkO6Lhch361xxfXNSBm0w9Wo5kcHnxK0fx1fqL9x4zb.gmAmU4Veyvd4hSlTGVdvqO1haqxMycqG54oTiVGFvvooVn_at2QeUPgorAU99y._DLgpRPjfQmfEGZ844n77XI8ylrxk3PQ8s576oAt.zYXlmrM4w1yHqpnmDMhHzCGajMFRm2VspqyK5Ko5sJcaqZmX31Sx5FpdxOV0wIxCHImXwC8wNXr18jbBXyG.xh_C.9TXHXmT7A9ox5gRPTSI2EnsE1rmScsKgi7yhWj9IRJvxkkt1IpmlGUd7Ge.Nydbi81C9yNWRQVqIgqLsqUM1.F3uMmbKpqR6QlKC2m.ZliJhqOr3rHF02Op0oWkTXIB5TaLnE3yVc55QOKtmCp6RJomXBKlntA3ucRL4Tk6i03gx4u1mAJNauHnrxVxF4g1f3ZLrhnls1ShXBDwBYo0_2r97Ri9rC.KZQtEeWzMgtvTyA0mnHw_k6AHFLUTGATTJTqmq9b1Si.34HGTSxy9uvR4tir2ecIf4.z1B0J6oMf3OoXorLjUxunP6vtVupz76iaJGd2NimuekcVEEkko4BBlQx6qLTwc89qrkDmXO34XfiYXteCv2cRNrLuerr0IggrxAaNACRe01FQAdqUGCplykVj1XF9fwd5y7c5Vo7gWd68233uP5Fry7gNG7qqwEUzyXtMqJSBFTVhWazycKCkw3RcYs6wccuUKi6VHi5kaVHRP_3v.16KG7mceeNbdY91t0NIEqM4B_OOAzIGt0LgZciSSFDPZ2kZnWnFEBv77vy6AvKV4KEnYBTAr6RelI45Vkdhr9Xk748XTERh00Dt39Xuj28miAmRpn3UsEh0KYgbC3lSDEX_V_1ZuqwENHV34a6bDNh..KhCP7jtBuFMp0R7B0VKAAVrsMo_7nU0X.HcQIu_yIG1o0arF2zMlZ9vJvFLjbnJ7V0iK7IrCku9NG._GPFxKtx0UgbdjQUCWgJYGjLCGpkMnUDHb7oHlzfc7o_5E89GTeIGnYaOxddjz1G5cbHhFVr0NncPGDywK4T0LxAtInu16SDLcBTiKYRNQofMt3iOjc5H97.Ds94UtfKW6qiVRGkAFCio8hSmHBupGVcy_6e159Pf0gUsxum4C6QOsapOCQH.FB03jJGJpZenZkVzV_iKEVnMyTHfIjDnNUQqrCfI3YD6CKgTeyTdU2Y2YvONpFNonU.nhpN88wlLhcvJfEVaSNgYW7t5E2Byb4Lze8wKf7n2mANR.6lj9Vmp4yru1BbH4iu4tbiJDKdJVLZCR_S2hz3hXaXR7KhibytkHtGTyz0T5mE8rpuv1RRVc1fbGdYA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911044c7fbb5d65b';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\/6421038957?__cf_chl_rt_tk=YtXfwJtfzwcSKDdLOWj7q2YPBCbMPtYF.tLNGW7uwSo-1739402000-1.0.1.1-oHec2.xQbZkG6fwIEbrYZ93_yc14fsnxXyj9UXgq4hg" + 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