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-252796481521.mit-edu.top/post/4923156780

  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-252796481521.mit-edu.top",cType: 'managed',cRay: '90f2402fbf31d6c7',cH: '3DQKPi77vVcJ84VnW8HC8js8XnSVTeGfVmapuq7jZ90-1739087239-1.2.1.1-O4Lvft4FEZh8dr7hhiiJHQM1g6xAycja.5vsZCf5uJiWQo4U083ShLQTT76E6YGc',cUPMDTk: "\/post\/4923156780?__cf_chl_tk=Preez3DxGMyJlckPi8JrmwvdEYS86p8c4irdBlqHzd8-1739087239-1.0.1.1-BJysdN02TiEsSGdgbevLGsKYblqHi1xpZfJoKhc6vh8",cFPWv: 'g',cITimeS: '1739087239',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4923156780?__cf_chl_f_tk=Preez3DxGMyJlckPi8JrmwvdEYS86p8c4irdBlqHzd8-1739087239-1.0.1.1-BJysdN02TiEsSGdgbevLGsKYblqHi1xpZfJoKhc6vh8",md: "OrJT6HPpZiGnhyZ6KkQfIDbrLQuU9ydiq.ct40a1CHY-1739087239-1.2.1.1-m5Mgorxr6Ecpl.69Cc2aw8ir6hOKRHk2a33yc0RW67CYnQPFu7TQLRiOEfwaQK_w3cw9DYtvgOvW.mXryFyBWBSKBleOq7mNwGAV5VPRw90ePsnzwu0ar3ky1RT94zOsNxxoI14mQ5N7Cc505tyfUvZpQkCQR_kFGTLFRK8VV1cxPVGCDFf4bRRWevrMnirq9hXUYnK22rGuqEMMl0RbU6Q3L0FnQSk4RtD4bmUUs61HzLJnRAkZEQ5PieE4.BaYEko3CL_rH7f_9soUUMJxTn0Di.MIAtFG55ZulowTmE9nK97_fUrzSW_tZQk3b_FuHT4HbmdWg3rrt2Jeado25pg87FJLOcHI5gaaNbDmXkd00MUnrbvbErKhAyp_q.x5M05V6hjNUK3pU8UOMb0SztmQt8zz_ytuWyhjl6XUOXovyjf6Xvw1RV2t72EEBZH.vio_7jn85Gg5KAqF3jHR6c6Gxp_rDRgp.q3djSR7mzgY6XiTVlA2IoArjfbMBPBRpK6kNsXcjJtZ2rdJrPRQuJfVS2wcRNGLku05Fq.h73Ox.cHvu9yVLbBAiqa5QxhGGZAEAWqGaR69vMdS_amYQ.iJHC_94QHcpzckqt6SN7o_VGL4dX6GyuOluzQ3fV.1o9gL2jiOsX8vZCr7m_4EyzaVyVu5s4cdLiYva5D7pS6nh3K8kEFMzSZb5EE0QRIv0xhMNvV8zXFp8MfMwxrky78PWO0E4NyBuJcOESGNSh73_ZamQn6v.XKPdhwDRpuXHVaYUqEzzhNg4yFtOQXrCtOihP9YIJCWh2th_oGNFEQUxcxvYOHEcZPLxewL9ZvcEFS6yYw_5ROhg3DAuy6nnIGPzIyKe7At4aWGTjgPaOPuFug.1ZUfQuZrZtVl_UfAH3NZEzaRUve4tN4gN.xOL2Ff1TVjNUW8kxu9AL3SegdoV8ZWZeBO0VaSlFFHSHgQKgVfObw3O4OVNeiEBHUP09E3aFRGvmgU.DfaqFwPKo.U7g_4CDlV3PWZIT_4R_dJly8TQmGDv5QXJhZFEuY5VgNkqNO.JnCWVuCM4X.0PHRSyg5qV0uPWIXsBgmhCTc9OoA1k0yEJxWdx_IIKISsvzKkgWvN1MXu.DFKyNICP7brjnE3i7zVx0uP.3xznfCFlIkaqlcf5_WR947bbGJsjqBtNMqTJzGSOE3hglZAUinjylxMnFsyW_J.5rlPyyTkflTnfzhz6ENLljX5r0E4VJj4W7DvSZn1nqgMFaGVLDFRYU6Ewtv.EHeGIJrYeD9dv39P2vDE3fr9QLcLzPUsCwzm_pCISYgvQ65CqAWa3ElVNai3yQmm5LyJeoVq8bKBBN7DeQk_NW9ZjlY3A9EshKpZZsFny8NWM54xJBaM5iM_Mqtcb9kiJB2mo7wFhs7YszGeGIAQ8.2AIQstZlKG2a6EwiFNgocuV2XZMbXfxlwqhgyNTnjCMcDKdD7W8raDUnWoI.1jrSiqO0N0GuVZN1IM8mCrhW65Tk3IQNwr9HYY8iNyl3sJAplfaVTWGqeAQF9Ubqs7KIYgUqNW8AzHsSAVU82Cu091QqLj_Cy4i07eakvOmKXduRi7Ko1vp3Eoa6fQtO6znOULI0eYQ4m71CPF6GgGUHx.wcjcn3B3pBe2k.Fd2aT_85KBPDK.eFDQ9t1fz_dDN1vF5WE_mhPUt8zuSKNabYvIiPvVqKO547bjMJ_D5vv.o.vP0CvgUusb5qUa2mkr21jpc9rxS4N1BO_fBnJlXUEM9MNZJXQr1V10SvmfH2FT7TGBzca4iYaJ8unjqbhfD19zoobIOBCLs8kIk21mSOjIO97pIcrelBi.ObLKL8zCeeSqcMSzNjU4MSNZp8bqoe4mg1RZd8oRRqbY9pzv.BerW71H3UXZTOBt8PU.L.pQrWj2tYyVJ5Dg45hFV6E9l0jLk14gDV5zeOmaDGSA_9y7urvgaqrurRt5SKbKRPD3nZ4l7m2deBK.x6cFBRRjfGSKsNptY4gv2AHFgUj7EHql2VhoF39lTheLkr70Yr6k.gVlAD6Mb50ITz7wmq70_MRQ6IZNq5tGKbsraBAMgw72bAaEEMSuAtLydYiiBTiBx8QPovf_zQb4Li96NFzA5iE_6puujk77fu7YQcLpECnBAMHRBmzfyN5_yuxJIpvVIFxmCl9dHZrpoXYbhDrvSOuUp6yjBeRA6lPMRcb4rwpJEFBycSkqfDUa_bLkfh4X8JWa7KbF9CuV",mdrd: "M7ABtlt2xbsEOQeUhlDX2zVF7EpRjbhvS4vDjSs9imc-1739087239-1.2.1.1-1HMKsk3aUhp8FlTAsB9AhFv1WLIIdNBS06BTYIdQqHsOvD058vg2r2v_BG9MnC73COZMZ6r6xZaN6zsz3Fbpaoa_0v2Sccwq2dxEcuinw39uRLaNdP0LhjjRK9BQNfT3UKRznPSOfDiJ2ueE52kh83IzNWxcOg.KTO3cEINkkan2z2pfpRuBdFzULcMPMMb1X4mw_tm1FCCOAwXPUPb.2qpzoPJHJFXoi.ImDqy0NwzXjL6CQX.zEPx0aXmhqUKQaAZMt56RJQtACl_P9kDpk8znpw_gtE33cpp7pD72XVDB8W8DDiFJJ33ryzgazwGkKxgnbY_Vi4XRkSU9bSAEzK8FswrgM1cp4ntHtYkHfP5k2Vk10ky337Rsx577FJt_8mtK6aRK8OuEjBr4ETzspPTWBpxFTk_B55r7SGL_sCpIiYwqsAfAeCtY.01lSylXmS4uss6uc9VEbLUa2PD4_x_VOJB3cZmgma3tcHn13r2K7.OZw52Coum3YbTLJFgnN45vEER1is4f1wuWVAu4AqTVyqgAQ1kt5HaxLQPm_s7ZaH0EtISJNCmYRzPndFQ34YAmP7dJJAjPbdcDaEC02D3jhL3WcKKinEBA9J1hLhVD87CZ0X9XkWc00Q0lmv8iwXlND4ksHkDWvb04AuA87coQU5p.QRlcLYxYA_eyMVEXqfCagGDkWapMmREDfQwiwOeqK7IgRGK9OLrC1axOPeOmXNMCgmtXSfi0AQ3FCYRAPqBukQzrwBAPiSHMztk9xgVCtf9CjiL9HUOKhEwjHbDk2XcVpYH.ip.5s_N3GaZdNsj05nbEqmfJoQgx_4dCXbRysOC9XrkaHH.DV3Tp1dSoapptBTbxn9hUI8uXOSEeUVC5z.6TRfHJ3p6qsRek0zXI5vigOQewb3k7XsRU87_Z2V_K8zkq.w9KqNi2eFSqEIO63gQg_0jZyeIAtQ1SQAAmjFvHOzFwuUK.djBWT5XgJ5uQbIxxGwr1Oir6cSxGxD0.hkN.9H9UM4HJ92jXthSyErtRSziW50T5ddPU.Avn.YJ9JixFYShTauM.e03IPAP5XEG7cCmFtl5nWlV4k.UI0uPrYkytsukHyiZ_yrQPwnMtfyJy8VcH_BJparbi0h41Tmi9C9HNq1EX0DRl89vOhCRi4fwXA87GhzutlMsMs3gujNAk_q8ssmlX5yEBdztwKKrwDxR61KgfICcqeztXb6prIFkzkt7ZIXU1lZ8niJEVHowR8cEjcTLfXPkJDSEqFQULgtLTkHq4SGG.8iIx2O0p9svOhJbMOZBNLY68r1SeA9UaBzVHvfh61cgOl2k38VAUyk2iiY_fp9jqxMiJGFBb5F4FvseLRllzhlDtjujIIUv07zcbxIFqOnxA5M2lcCDCYn6XfgmK596iQ196vJsykSGca5SB.30R71CJRK.9BitQiDlQHNfleCcRx4FUK4rnOpczqNDqGz_4E.pUKqbV4kBe.sKtktZfp1uOCGyrIi3CChzlhj.YPcgs8mxfpFMZB9jZHqxgpWncUhCpvtjJXdlOPyuQ5aJnVrqC2R4eMSDbASrut5OXuhBqwtaTUIiOOIzewE1xwySyQtY1KV7_PQvmYp0BOpb.sqEzPHEZ2eo_fEeTKt4vvn8JQiG_TTow45TDAwWwGzpXoUp.C69L5WZANJgnCZI_UO8v3mr_RDZTFGttBo8.HD.2eNHE4g.bJs4ktLMZrDO0xmehvrlgmhYYkQrker_rsjPDFivhNg.rKxzO54kDAP1wpokff9p9S8dQMHUgxYAtSCFBynsAipLz3caYMXBj1TzcZj_wwcEsdJWD.RTn4GM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f2402fbf31d6c7';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\/4923156780?__cf_chl_rt_tk=Preez3DxGMyJlckPi8JrmwvdEYS86p8c4irdBlqHzd8-1739087239-1.0.1.1-BJysdN02TiEsSGdgbevLGsKYblqHi1xpZfJoKhc6vh8" + 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