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-affl1mfnj.mit-edu.top/post/5946130278

  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-affl1mfnj.mit-edu.top",cType: 'managed',cRay: '90f8852a69c5c596',cH: 'gicmaQizUqZ3gt4rgXT5Lv.moUFUgWRxWTMtOr2fGfQ-1739152979-1.2.1.1-i3tJD0DF1Ejgbfg0bOwT.8BGxT0XFuWkambBrR5NhmQKZJxdZ1Ij.fH1E0NfGjnY',cUPMDTk: "\/post\/5946130278?__cf_chl_tk=nmXZ9Om8KRE9ntN.BgqqeIJqsKv.Z9ZLgS7Jme00mY0-1739152979-1.0.1.1-RoWu8m1QU0U9TSRglaHKUruR5cYJW0VRSdf79sB7oRs",cFPWv: 'g',cITimeS: '1739152979',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5946130278?__cf_chl_f_tk=nmXZ9Om8KRE9ntN.BgqqeIJqsKv.Z9ZLgS7Jme00mY0-1739152979-1.0.1.1-RoWu8m1QU0U9TSRglaHKUruR5cYJW0VRSdf79sB7oRs",md: "Y1z27dbdsFNtq7R4xiWvb2K2wPr3qqbcF6__xv__aX4-1739152979-1.2.1.1-tEPIm4TgJfZoNHjiJA2Vv.jnEbuo2NNHeEzU.3iK1x9xs6gKqYm4dtbm4J1k2EgxMx1QUAN37bKV8_XmdXVufIJEoiNFMEPSJGoP.JoCtKxwxL4PvvgPaH7ARyVV1.9Yq4UIhz2Pp5D.E8b.89RH1dD76gmeCzjmCTkeFdCa5i85TNL_MHEfW38q3Vg5bxaeFdd5es6Uh5S.UzCp8lRdSub0TyOKYq6TElgw4cQVrQQs4JdwnQHzosC2wcNE5EZ_YMzKLp2xDBM9UT2eX7CTUBt9A5jz_AzEjTE4Via12GnMp4bsz0nCy6HeUMTe8NhwTP1i2.xXyl2o1lEoUdetqNXJC0oQB0bs2Zruzr38XwL3AjW5uCqqqubIr94HWUf0YVDhOkRFL8WxjIrjCxADAGbvhOob8HgJH.tcJLYbGbz2uf4IYj1XE2CrLmPGZyeXoS3itMLOWiP5KilGslxM2fkPOMKjcGidujJwMcNrF9nVxHQSEzmJo6gTb49WS_T9t0JVx.V79lf6od3.1xk0CSO_yuWWpNIwMoKfoy0h6NAIEFraAlWhlAl35TN4hrO5dRDvkFrn9_d9iYuEDb0Yq70XJBbIN_xupkh.tOwuOnBRetTcf5e8Su6lY9GWPGgrjReLri1ZVeya.qOQSWrcs.WwlRjx9zAEOQO7zQxww2khyMhIQAwKCHrzvQcOe.mfXjH7fkf6Vzae0Q378mqdnIPPRDznG6caE41jsEwLJOzWGWSSVsE9k.iXbXs2Jjbo6Tt4E85rkMuPf7sBwZkMksaEakTQqjZ42O8ElflMG644TZDQ36iCnWH5qr2z.4MWza9VqHSTNNqPYzYCMxNDymKIB2VDoUYhv2s28Gs8PmT2izcuEoT61ib.tzxEy4gBHEmI2Xw9SoX30nVTicGCmjCSU4iDC.ZsVzTv2uk0CspgHIW3QAme7EcaeYoFoo9oP6a7gj_RhdKvYRkHTknwFA4c7.bM7wy1O.Vou1MSPW4qb_pNEiW2chzR170._sJ7lNWhSVCQEJL3KyVHQX85bkz4nW_p0Tt4lsSm1VT8XTTOBk.Atp51LQB1b9nLULCTqzFJSoAWy4EillBC05DAYoepmtvQZUjzbVC4IryWNSlCSq4xnYP4sXF8Nel8_yQR8.ctMtL1NsfWY2x_j6tXuFGPY9ZGcW_xU6N7o0TcDZCDhQ67dYEHBrRo3WSo42DNcoXuJvcFrOT5B7evHfE685kJV57mQ8LRlT2eo5oI9rV3yP43w8eCi3R6ipdYEzYi4c1IJDL7Yr4kuRhVgBoHXlzFYCeSU7gyakGvfgEdptnENJOzR5L_hepDgCT0TvMqKPoxvHl45et8r5eJlp._cKsJkHcjPe9kq1w6iiSd.UMwtlh0jPLYwOdiAmQEO178Yo32IiZF4CgYvffgV4.7A8nFcpwR0y6IFN8TnA87n__ouiyhMapOcxRKL0imx9UPvotBSI_J1xz8HvK7uRnDnX.U2LAS8hR.QYONqD.KfBLCaHtgLfePf5284lGziFtRNCQeg3l6k79YuQX56eDTAtWPghftNm4Ef1Kp4Iyvjd9yEefPOaC3y0tVIuJAbgc_8FE6OTaQNxzlPrPMBYHe.Iq3zTkVghzy8wyo63Cb7OZIOcoy0YvU2Wd6d6otM2bEI3Ktg56nw2w3IRXOd039wVwp5uiQ85J2q1fZxWOYifs9uYhLmVMLuJ_XMSxhNtHj4c_cKRTSI1yHIu8pPkSRWcGO5bFqh7TqhVVMxYdxqU68LmuFuE9b2C_Paj7.0Y_iZF3eLKhb4.psaDFrw8TgUVP4BMCsOdohpJhZ5HmzDUrPQBz0dNQtZmxiqlT.8IFb2fG7VlqoD6rA2B1s1hObjubftBMfTWW.VzjXIzHWqC06HvCj9YbIe5O_9glmKk0pMXN87IdCMM00FAGz2Ujz1gka9aZ_T7QdwxgDhtLzVDJL2jRuamVE0xta.p8eBitz0WmCNMGQRWHwE5cnNygitsczOT88z2EsTIFZqia0zX63pTz8pA7Jt6awRlLQnmRQM6aU63iHzUokeFm8GCFjOZpAPVP4xkmQTynnvfM0rGcFeicIoMjbEO.c_qznJkJJR0VEWCsENWZLbh1x0fU6jCRhvh_9P_XzsRvsLoxxf6oXC0tvZ5gcnrLmjYVTpTpGpq.ufekuWlO5HtPdGplk2.19XfZ_0ll9EAGs81KDJMDPtWTDeXqK1boEzVG1ZB2y",mdrd: "1wegmuFFVcCRc1iFoBarvfA4UbmMU7h_8yGG4fr9v94-1739152979-1.2.1.1-VgwIjSUQIGVwtfU07mxO3IiFxOHffBEzoB4av4ErISEud44uflEdNe5utJJtnFGQjKz9IUf5xZL2qrqY9poqHqsVvry3JGS6xIJwo3sM1LwlWLsOGOxshFuAK7KacCBZqoFDFFC679QgcyXf3jrujUkRfxRd0XQiyffasbi12vVo6CfNwU1m788U97jTpzcOyUl8q4jivFP5dGJE76vmZk59fKAlBNT8__YybgJ6KloAufx.9v6qEB5E6TAdvVaHr26dKD.ofrifQy90iswCfeqq3jzkmHc_UySLc2G31T.5HmHjCZNxR3r2scV3q80xOX62edfgUkzEkiOgKDi5p_8k2bgavXZ8XsHYVzhNRQsB3MUGFpn3M3UCn.HNArsX4K4SDgG0kPnDIDkHk7rZQgQEA17d1crAw7BdfP2u4fyZa_.ZsBIS33K_2fhSlfCj4PvU.6kDD_TNHcGvHW_huCN9D4wRVRgI9dORv4fKRFnxkYbI7sX69TkSxl8MnKpGOLEgI0bkq4GJ7LC7YXdMW0n6pzVLMjXKBYP0YUSJHnOtYTZX9_LwYJMHe5.yqamkKBAy3aSCpU2Pad87IL6Yj6td9sdVdi4kFC0y5q9YjepGGESP1Mwbe_mdnqE_rh8QNq9K1UJuPQbHHBC6qcREvPGosuK2.gehx7i4je7Sosypi_OaiHpj06OwnaHoFjhCI4qaVEkBTwjKyhtPtgl1SaJEngIJEYmNmBsq2BqB2N_vFcrfRXZg3ZSWMFr5FNflDpqJBeZqZrtjA4MddYP2.vhU5N7a352tEVOKtUSalss9vYS0gZLZtjMQYlumwkhvF7MGRVwHRqDPSgYXRPwwjaZvw2LTW44s.d69_txVB8QwNGLpMiPekhNuHpR3lWbETOXn4LZtZVFz3wMw2Ght1Thd14izw.OO9Kb4nM6xdQN35TRfVgvha7NxPsGLgq7PVc0TruT5zb9g2DMU_I0BrvNn4vjiNt507Z0vKL857d3Ft4xluHJm7eGJfJMP19j1XZ5WFqr_Ph8IdN9qPclKnumu1b5aj3qmzvyVuhDZxZT76CGD33k_hLHD0ViJU5sQ7gQ2Jvlg09zV1d4iyJyp_1FJSUmhTDqW_HgEH_YuHMBEKG1YTqnfNQ7E9gtjQe3Ai.Er2VaUi2MUvZrqPx9ozOD8mr3lUVBvoLcE6nCpeXjnyBxTuTaYlBRJEwwJfGMdUopYEdwLXgtNrgxQX3eKUfxQzIS5cBsXL8PiYEPkrWdEMzh4P0jzAvNZXy6meOs01ICZwUY13u6ygjtLjvu9_co4qDT5dhiEDenb5TgjDXkAMwEGqIik6JABmjzKuiKcKaffspy6TqYGNIMc5EDtjsSnFORRbAHKgroNhTPU1ZyDlsh44_I3gmodTwW2YeFidlQDOgirP0p8EffvoGokGK89taBit68pLcQDvEvJLVSmf2fhmdmc82R2DBQUoi4EQTnu21A2RbultOXY0.TE8TcvbVdEc3JF5W40gxx0hpcAZuapQ_d_JlmV5UG1PdxlhPIKK2iEVQJbpZ.hJRHNu_qZ1_BxEoxvkXfoQpWx4XXX5WCSikfgkJGdGgeVes6Yc.Rbf6z5A83GLo03RT9IqVRa1Spvu1gywocJw_BiHqKaZuAC2rqVwhHVfUP_BivLfIItTLddQE7KIORy7m7.p4pPamMh2S.yi8wqL2HsCsfLXJpZb79S3OOuzfbMCxjiHAQjAn2mB6msa0mKL1BgGzyPBt1zdX.NeJfZB7QiMycEWUXCJ7YKgQumrYjIzOe4Ke9cBZSk8Pxky3CByvscH04TWs0LbU3DLvoj2Yup7u8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f8852a69c5c596';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\/5946130278?__cf_chl_rt_tk=nmXZ9Om8KRE9ntN.BgqqeIJqsKv.Z9ZLgS7Jme00mY0-1739152979-1.0.1.1-RoWu8m1QU0U9TSRglaHKUruR5cYJW0VRSdf79sB7oRs" + 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