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-871948896695.mit-edu.top/post/6831947052

  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-871948896695.mit-edu.top",cType: 'managed',cRay: '91104c5d78b8e5ba',cH: 'F0I048x369B6ZBgmwdd7ttwtRVtucqDV0sTgZltnNGA-1739402311-1.2.1.1-AAELpR9nXKqX0sKEJa0JNG2MCF6oKGX9VI9Zvqg5HiK.hudHxW9eFoB0EKAVt35L',cUPMDTk: "\/post\/6831947052?__cf_chl_tk=bpVWrUJIp9ciD3..NDE2KDOfqThwtU_FqP.1AvN60tI-1739402311-1.0.1.1-8guXBKyChyFsC0wc6zcB8vwxPwnQxMI_Gv09wXouJr4",cFPWv: 'b',cITimeS: '1739402311',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6831947052?__cf_chl_f_tk=bpVWrUJIp9ciD3..NDE2KDOfqThwtU_FqP.1AvN60tI-1739402311-1.0.1.1-8guXBKyChyFsC0wc6zcB8vwxPwnQxMI_Gv09wXouJr4",md: "qM8dru8QR9jjxKivZdm.gPjAAHDhs9SscQ6eqoN6iK0-1739402311-1.2.1.1-AGRUQlTzPWskozC9cmymxMCV0iCDHjElQve8K0AGPKfn9aboZ2ccOKbaMdrEE3v.4EfcnuhI6FnVxBGD72CJOy03P2GvBbsLG8RP0A4AB94L.BVlef3EByqJOLtX5pIxAzvJvjGhenfb3.6OLEb8d.JUlzpKTAkob0Tsp4QJt5kRuN2JCI6g..5OzP8YBz5VHs1DmnV.Tkj13ACzEU0s4L9IfdoAxDTVMBKf7kJ.bTSoJVvrpCTnEIye.qz8PfGiW8ia1LKqcBFZRgYoic11S7kBw4ZyKq5TQC1FLH9NZOUKnXPSAYRGZaqzCMHkKIGjBGQDmBRTcTj97Cz_6IGUraABUtV7yXBjCgLiyWHPvs9odsVvskI0yyWcnO3Tl3jppIpFG0fjQFrR.MqNwBu9U2n3hno0DbiLcMJwqnqPu_bWijdW9qk7jkXIgZEyPxcXFHErsmB.M3KNP1GD2mU6kVMSBdno_sKGeUm5ABzroFwzEDlnNLnH7cDpgRzzfqeoa47joSM97Va4GGmnIgskxT0ezPfpY2mTtemlNCExC6.SBAWwxv1WCQylU_8_uHtYyGP.v3A2li9D9i35FPRkg6_pGQR6RU4ii3AXH2gGdM12c0nZqJ_ku7wcFMAnPvYsoZPVkg7PZphC.8FwA1gAcxDWQwtnBCbApma9PKrMdxpOummFzOF1iVyIrGrZ5dwUIJXclAzMTjy65jU5GLt8Lsgnmd6FqHcCjuKK9tRkis45vAEyFvV1ySPEGIUWwkhjvBI_2.6JGd.ELVd0pkbJXWr5iYcxNA.Hk33pITnvDrUFdh31zsb1EmNa00485m_Vmkc9rVvf.UQ2IeTb5Qsd.E0HECs84JAGa.EGDEEs8PiUwckSFt2FF_KeHtSkeMyRMzw3ZTBUYEHsVOglGnzLRj3gjn73qmqi0eTfFHOFrVHmIg4HMpmr80TCk5.AVLkxijGW7rjJRJY2QJ_R3RAczdE.puh6YSLeVMNIYR4Vd_aK8uOFsOkf2zwED7GTfijdXSuuEW_hi8TfCIHHdTaCkInuUA9yjOycvFpPAlTmsV0OB_nBWrm4O6OujrjqMts3lz1bXKpU2ayIM034wQDfmHl9wE68kzh8B66CdO1XBrtiWV5NMv9mTBVPA5wxb1PtMnp.sbCYbHvMSWH.F7O1weULXMkQh1SIOT8qkB7UjFxhNJdH2OMt.hwHl0rFqoJbj.bJU1yk45AntC1wZNnn2HaESbypSqIpDG7e7rbLLIxFfA5o.kr696gHHuM2fl5r3HvCbZZajtOsLtDRQnchro3h3Kg6VkVqDjBZAE8BuMrkHFmj0kNpelatmfuOL8bz5Wd7UY2xIfH_BxK7bCfuPW.SqA948eIFPTjfbcCEc9u9JEGXNfTDpvo8Z4vsgaSw1szabf8EoHpd5wefSNESMdXgHtSgAOnhTjBq0DFyYTggATWJQBsJ89wGIGWoplMunWrHm2X6xRfvRmOjUr6fhZwwcnlkUzTrwNn0OXIC_tQfgsqGeZ4T7KAGvDtGgeG1xG510mvtuQ8fFWJ2_4Yb_g0CgRZncdMVK5ZPOuzil9PQvR_ctI_L8YUbEA_rbY9IDgPoQUoW0NXMUhVf7_p_J0OvcA5EOr9.N0p_COxhXx4JKsKTIIDfmEpYcCJfBRIJJP2LUSicUGgniSNczWIFXVpFjntdkrDMnJZwDYDgpSMaSkDfoRXLUMgg9t.dLu3SDwJMgL9DIYKUKM_RKOC8IGm5CoYXscQCopOzOJqdc3MBomGqHn5yoaygp6APHBGtSIIBUkHZSMgT3g51TJdwF4Ccr.JU4yeusJ0Ps1fC4u2vm07vg1ftuxEqbWL14T6gl1.S4g59cp3aNMypBoewC7HsCTf0uLAzNVuHNUO_r1rcvtpXjtw5zChvw6hggmevuuqNsVARAa9Ka1XE5Zt59AF2tZ2l4FczuIKAsz4FHDfPPjnv75Qv.6nwSedCghEh21Jrnl3Xxu7wtXQbFfu9yoaCfJulMJyNvuY1ou6XCD4n0tFCVhr9YdYsxmtvYb_OVvtM6TYjT39utv7V_Zxd.wPuVbaMdTAF2VwzFcxHGbk3iQPxvXO3xJ3XrFASfbCQ7vzJgHN42YHmCGSCjmFQ3FPAP.7mpCJxVNB5QSz3etu0irWs3J9sc1WXN2M2xvcrd0qcSuDieXjKFbDy1bgBNK4iYYWML1OkpNKIBlCYOUCYCkZvQir6kx4F5miMsoN1",mdrd: "ywIJcEY95vt8VY4NY2w4KrPkySolFLJtP3NvVvwYfZw-1739402311-1.2.1.1-qyM7wm_kTf0Jp1a_qm3tbqyp2HoL2.wgVRbU1Ty621wgxw6ly4ODPyY2ypHOhUXkl29VtEminxydZ.tO2N1P_m0a.zblieCsCIhwlT8Gxy269OXYb5dPcmEyZ2GW8M8UoYOmoY2Ui20a1m3BmJQOkzfGqHvPtxYlgcf5eb9clMhitSdudC5NijvDSF0dKS3e3E44GEcEBvMUGjJSsy4yFNnP5m0_PEXyR4Q8A2JLc5FJHPSdFVnkOdXPjOvqI5rSOeXvu4oOv4lH5tJLW6Wxnfz_.xYt1poBZfZuOKRgPaGEF22fAQ_uHc5wer4WatfMxBtBnimXunUfhV9GNRPIoHa28lzM_uIrrEQL4zW5y0QIVqPmJNnkR6arjftjnFyX_mDaOUVf4EnlpYcuDTnL3tjPpkLlvQnrd8HirTlYFnVzKHMvtlAedVYkKGJ78KJg0kCS6utEavwAq4J.CM4YJ99enSLodi58urOWteNebAb9y5Dh.N9aU9.MTMG_2P1Oo6uV1t0ewNjyajeQQa7wX14rOe3qlUgRX8GHFY0HwBDkhBP4180DNCeoDVfkl2cgvlAR351ormXOhgb.DFD4koSIjxjbaHZtdIb7BjVPIkIhTEGBUzVD7Gwugk02RDFt2Qgjmlx1EZSrEUbTkpaeJaQgjC9iGt6LSs4CtJP9jL534DF_njkeOg_PR.G.upm_sP.nEGqJvGlnSk5Av_UNUd8ueS9d8j4n_y8brtMy.ZMb8GMzeh9kRRGBgkpFArZQcrc9sgcDgfwAJBgwX_13CvfxdIO481VDkB8c8EfYpMID39NgMdUdb8JpuT0rm0M4VzZIf4ob8qbrbWMsOWcHhTRFr2OeAfZv1efU.mJbNuPtoMWWDXhBSaoScZPF8kpiWpbNOc_lXNuUBLjJu6DZ9s6z7g5hj52L68p_nGFY0ZhE6rLT0Gxk_sTBFEy5s6mSEtyowACKFyZU1WW1mjc44J.T09Ht4.i4401S4xHFCHlq3VmhKmtm1I_rIOpD7b9_7YAcGM_OkkqXBSAEsFMUsQG5Vks32UJDN4nf7PD8m4yyb4bJ0FD.36ZikLIlhvLbWQDvBLjidNfL4KKrOwgohGSsa1Lki20p_6VCFCOF.78U9NrC2l74DRowfvCcSRfYicEFwKDUCCKa_gMgq42HljBKFArBsMoLnetHULRXbsk3YiKQ_YjmJCZ5eeBhGQzjPlYq5qiG1CaOTYF5TrkkkdLQnkQu_EMjgf8i3El3Fvx_Z0floPaQjtIbnOOzI7DTDk4uDATFVpFXsRMQd6eyH_0g.LfOs0kXg6QV_Mv5YCwAhwomvPBJrMH37YbSoA_QEKs5I.gztDX7V9.IbNSOmdd2hUHtgN6X42_eVqlVFBzVxf9CUJGJxyYIx3_fc6W8zQ1POtUQoWQ4b_0aCQm6Ba_dS.hfb6B1HBTxNmVtK24pGKnbsO.hSlqkllPsndh8vqC6yWU4KOadS10CLtQLlcubl01x17ZEsDwuqJ5SE0iZCgCAinuf0QtZNyEkJ3MDiO5QGRyRMMAEcWdovnVPZQ.Q6ov3nVwOB6NZIGbp0eyI73yOLSy.1tfAqRcPsM8u_xgoQnO6AgIrZ5JCduwLWWvDY80j6O8V858Ub5ERslG3jDo0kWO7mq_ag9PTbl3Y1vQtFiBE_FqmCDI0RNy6M1CP1L_Uo_UQAigAbLUuwuVZwUH0KMHHY6lFYUiwJ.qAwxcXDfIg5liALDq2SWa66dWyvRY8zaiA1FndPcc6n2m3wmFWqQHkdxFaPbROBvx991MWOfif_5Njg9a879DjKlhUtEaB8HBIGlhEplsMeZk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104c5d78b8e5ba';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\/6831947052?__cf_chl_rt_tk=bpVWrUJIp9ciD3..NDE2KDOfqThwtU_FqP.1AvN60tI-1739402311-1.0.1.1-8guXBKyChyFsC0wc6zcB8vwxPwnQxMI_Gv09wXouJr4" + 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