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-aff3ia9wv.mit-edu.top/post/7245169380

  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-aff3ia9wv.mit-edu.top",cType: 'managed',cRay: '90fcde57dbaf6fe6',cH: '317tig3S02Jl8uUWD2vgKfRBYvlvba4t4SI7Zz4Lkqo-1739198575-1.2.1.1-jqWchB9hJyn3mSMF50xOitUdLJhAPsNYkLwqGlR4z8o42kZzU6XMJKDd__NoOc6E',cUPMDTk: "\/post\/7245169380?__cf_chl_tk=hfyBzc6eVUNlhATxX2lwM4ZLxkbuZtVmKyqdq7IP2is-1739198575-1.0.1.1-wSzEGOhfsvC8tYpyiyNkGpZ0oi.E9OjEPHmNaGX8qOQ",cFPWv: 'g',cITimeS: '1739198575',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7245169380?__cf_chl_f_tk=hfyBzc6eVUNlhATxX2lwM4ZLxkbuZtVmKyqdq7IP2is-1739198575-1.0.1.1-wSzEGOhfsvC8tYpyiyNkGpZ0oi.E9OjEPHmNaGX8qOQ",md: "fMEkl4AB8hWSIBrnAHYmz0o.1bGdWSbv0StBJZluy0U-1739198575-1.2.1.1-rgUfV42FWGWk7ttSaXiM6knn_JLlUmDII9MX062STQcWOiZGaik9IvVOwq_2SO.7MCgaBGo2yIMlkmsR4i_r.QhP.dKrcGMJr2.JJnBTkN6oca2fRtVeVIV.0COZ8qSW.IqKl1JkPCyJlxI1j8O7K9Xm7a8olMJTQH_OX5ei8U9K8if0cObq86LvU39YK0oYsDZ7jyLzFLwj5_MyEdATmK0WwhQmpvYk3fxQiHksv_NkCT2CwjEwic2Gfb05sRMxTeEjcqUw4IaPehInjt0HttOFgkPgl6zdQbcjc6yaV6REh3jfkwPs4pSLnudORajq3XSXjxHzEwd5Vwrn7AT.UbVdvH2.xdPfnbMBmk8gAV1Yt4flqRw_agpwTeG9Sxu9VGzUoOnnCp_WnwQrZDaTnYs6wmKr3EPPzNqTModbSrQprf3eVL0W5AtXfPgdBcRozZtcgQPNhaxRekus854EH.A8rF4gB7YtueoGmwd4zPgvcaBr_YhTLkFBcJUkwc7vC4X6XkK0tz4_NeVdgU9wscPBy7CiI69ilrepJcL8SGRRDQ0XlE.iQqgPMejAuPH976QM.h6Le8jOcnUfQUHLbm0ruaN8A.uCh9TrIrRrm_7J6ryFdZ9e6eimy.zjO9MmW5VnKoxc6BJSshROJfhN_bAuXbdZMkZtlJvEoMwmRp9gElgqnmORO0CZ3G4hsoh1q9hMEZDlTa6zwMrQZj5S1qw9Lu3dL3zIQ43rIze1IIEt.lU4u3UloHPF3iwDkThBNl91qCrN2gtr3EZVoHmbwaaF3zP_tUl.D16CYUaLi9rls9v6on2Eo5M_l4eQJZiKO8TWYEOcWLdwKfXMEHEXQDL0n14rS5FbkMngkThQKmlQkmytg3Nfhl1Ev2e7JxQfbcNw96bXzAQ7wDBRyR0jwa_u5xdgXa.R6BcMLyWNNQyaekQszynDCWO25rA7nrLoNbL_TF3bVB_gxHdEN90aZu6OMHHT5cDzqnVWouo4KgC6TyXLotlgdVrkGmaylOq7tSOI29a_xyOBjZyHo6MgNdHKdI6YmCvcuzLQfhUbt4QLqsWXU1aph6DVUEzKQVJc9wDMAwuzVjhXzwo7a1VfE4joRqZDirh3NBLLz6nPW4b_Wz0VHBTqSFju_izRs5BmLj25q8QDEZVF2EPi9ibcbDLXF60lMV6Xon1tTqpSmmVC6iSDpsTlBvAfGeaNDpZF7jJflpoDs4V7dwja60_dTJDk70qEjtZ1gX8xxCk.0Hfin2bM5EKVgyOqtaP2XSJwmCZ0mCP46Qfnk81AFdswJ6QmnTDZKzII9UBPeHv0yRX318Fa7TAnV2ljYG9Q1olgMWN.em5iAlbXM5yG6NarVd8._c8jADTAHD3XmtdJnk19VQW4GpGBub3wXIh0PhpJj6NcVvyqtw_PRDbeBA1UXyP3AfP_Rq1_1DtRQzSxB22BUnnD7lEJXfuAaQ_Xr_TCBCXR5SD8gBvPPh.WE2dKDbUx9YaPuYy0Yp8skiir707tfPQoHFaUSmVnDwer_D2iJS2P4W13LYfhnzB7uUN7V0Is7raMeTQmO_oxd0uGYzEvl7mXoN4bF.m8KyKEEfWoeq9jXdBONNKTRQJySs71iD91IomD_z9rJ8wRleujrmYO42x9PO83qeuSJGrLk3nCO.XUa9yxGq8kLq1Ia9ZJPECZzBCukE1n3BEMjiL8QHUGA.6GTBIzO0qzMqxVZSmdD08Rc6xNJmu5aT0Wia7CAk2.TMrfXrUGrSITsMniU8pFrY4CibAMPWrFSgZQESdqCGYLH7RYqpPmFEcLUxNTEZ5ZaOYHotZppwDPsD0KboRVWtY9qcP5AXYN_Y4ooNA8ALDwHDsX.DDQv9Ns8dQv9m7ejGdQ3A8e0WInklBJdMxYSsBHkiA6RUT9NDNW23wDb1sIryJQUb75cAIEmeqJIFw3S.3VktFPrhc5QbU3170qXJlSzwA4smyoPsaX4G2hLpjh4ld3gHe14G.DZzgaPpbG0V4ZFPrv761YQ1EXbj.sdUmp8pDnKct0OHk032JGPCw8KDOHQBopS1UNG4ySYxnwjaZ5LlcYpqsEsRYMCcP9Z9YRbcfyK0MfP79wp9R8VzNV8e60m0iZIq9Pf9PkraYe_GOrEvu8t8B2MZQgqg3JVvhcaLUkfW.25LSCl1L7WakFQzVz4cLrlbgktTwUIfUAYl5GBlZZXVU0sQuw6VhY2Q08p4nXHLfc93ksbDXU",mdrd: "CExAsEHUGvBMf39_J7poZdHu1kbVCVnNUqSiKyxHsOQ-1739198575-1.2.1.1-39KYdNRi2ZGJScvVyfj8p6K2wNIyLJCjiWPbRBChMpdzw.tRdqK_HrzQh0uuKnHCUilZPhd45gzJ.8LnusVe4oHzGIegtD1Bw2YT9kdz9yuNpUl908PuhWq7nZ3ZVCPwSUS4vuNxBXQoYuQF9JwtlUaKK0HDG4ch2Lo9tOeuy1ytzZi7TWQT19X8NrxBnFhyRzjwcYTSVEwtxA4n5VuMVmw4duExVC5hY1UeQlKsNGePG7Ld96txsYfRa9AYonsr5sc4Cq4vSTkmmoT31D4dENEQleU7CrP40QaLgYE6ppY9kQd0cmamumliVwq39U.qAK45AnYtHHfq5ANVVyfCNtXiWAg_g7PHRNeat63lT.QMnK_cDUbqSYIh3b0z9QanebxKBjxW3wM0dBe6PDI3bUDGNAUKXnYTudwxH.4ZL37L7sv4fKYjm3b1fVdY3fSBY9T8yLHBdTaf7NRxmiLiqF10mnV7PdJfpdAXrKfduP8XvDsa0q87MQiVV96bosDb9gJgzLn7zIf3_r_EFtlVvtifIlPrqf9PDqUsEIoRiQrgk5RKq4K7VJfEB2jkW7TpgJorPz_cPSoMfDJA.h4Y4mR.2J3X6jaM0xG7u07hri96b.kGsPloWQYkhNEK3vMAl7ioMs8YN0vgpPVhtCcNtrgUyO3hSKZnupzGt5NIZW99RzXDg.QVXHqqilO8fhanyFs3c6E.LF52kQ5d2MM6ZQ5qvzzxxe6H6iw.kOOVzP_N2X8bpeCKK7.x1VECm5Dq7KbXiYq2c7o8lJBhfbfOxfwCYpCDWgFpQGS.LnP6w0Y6ttwR9G9Y1bxKNo569BfZEg9FnA_YFrrFxnX1yEWlgbQvP6o1pewKszXDmpz2raCVMfcVB8_aypE3OZFXW0QdR1mFRtq4M.KMQU_N8hnFVvIdwBEVFs0hxN9.z_pTGVRu1_S8Sxue2k5RhQ5G94NUeA261uRsAB4jsnhJp3HGMA2dqF9_mKjivoIZMT56LK4ZnISzKg69Lun0brjJ.Uim9wpk9ZiiQjfEwAyEe..i_yeGIwJbk83jlc_BjJgxqkvVJW4oGDia.tFPIwK79.p9nkmTehais4aAz3tWdroj43GHM6yYMzMGp7Lkf8ibdqoAQBIjVL7xGz5TBYKfNFBhaiBy.JvPgM07zH9u7MATCL7HXVY5maJfNldur9tFu0.DHPoEWmEOUxKebFvKQwV8Jqg62SkG8L6ixf0kXPqiZNhcJ8MKNgTYG.akc4cu6gpMBLo9QnOhB5V8j_qmJKddB97PmrbL74R4jsLrOXMam3AvJyd9.ddf3CGR832n6QevwkXndoRNOk5X0BgElMQkblSrg0FL.r82Leg4wql8S7246sqCyOFus8PIUUziSRdMlowH3g0VbB0we2CWev6DsSsGbZIUYt.ufxWXXge1P3Fk1YwCqrqvxHs.B9XCFfOrH1jLXRXTC3EZQecWtjqm0ANFLohJPklfhlY3Yj_dA003YRKj2.VBbEnWtErmKfNyXtCQFCKgU.wO7cOjtSxe.lQq3TEd.XaX4XksOucAp0MxrLpXYtnfxbI4p_rXW.yKyUkXOytxxGYBlxaBd83UEPVZbtlQ70OOQ5xGf4F0wVf49cChYpBwB.zS0N7OFnXYEI2p4hYlK2QqbBIESgvJHpkIdA2suO3vMErVSb.tRT7Ar2AeMsmRBKRnI9vB1dUXPqcQxKzl1cR2pxHyX.V8X897c6Xh3MZirhk44Wog2nusf85qYwQRM.bsHJ_9.6xXPtxO7XH2REzJO72S3_QES5bJHzc4_bafTgrtSI7oCQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcde57dbaf6fe6';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\/7245169380?__cf_chl_rt_tk=hfyBzc6eVUNlhATxX2lwM4ZLxkbuZtVmKyqdq7IP2is-1739198575-1.0.1.1-wSzEGOhfsvC8tYpyiyNkGpZ0oi.E9OjEPHmNaGX8qOQ" + 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