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-558464322547.mit-edu.top/post/6358721940

  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-558464322547.mit-edu.top",cType: 'managed',cRay: '90fbb365b97dc94b',cH: 'U5aRTizvOSWo9TaFCT9vJEOa99XAUzEE.F1j0dOxD0w-1739186330-1.2.1.1-dmj.cFr1MR.nkSwII3xBDUF1VCh.OALokTaTVP1Ka2ItM3Ri_6DrUfbjQzpV2xhh',cUPMDTk: "\/post\/6358721940?__cf_chl_tk=sW2FM_XJcXYU7caGJha739agX3lzzycgkDFcXvAzSkk-1739186330-1.0.1.1-z6ovx3fv3R3HiRAb9mow7pMzN3ACUUp.yoriwSrFZyo",cFPWv: 'g',cITimeS: '1739186330',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6358721940?__cf_chl_f_tk=sW2FM_XJcXYU7caGJha739agX3lzzycgkDFcXvAzSkk-1739186330-1.0.1.1-z6ovx3fv3R3HiRAb9mow7pMzN3ACUUp.yoriwSrFZyo",md: "VhNrWlo83x6GSymBtxD3hHYVE9i_WxIWOnuCPNvX3Nc-1739186330-1.2.1.1-DZbayHwWxyT8GHuVkWwihA0LB90BqFV0XxFTuF3d5WZT1Day5oGGbVIXYTDYspIsRVQp96XI6u3yfeMvtTFwS5O15uvmXDuxZKbrh95YxpEZrSBzc01NBVSOJmgUY9lrtMiN.ZLYVQaGc6OaSILoNHQzKwsjlnuTcFRFiEG8iFD00uAGmGjBbEcUzobEoYBwLmLHTsbQK9xbmW5z2OXdViSp7.e0bBLoIgkam0IborR2aamPgNernuQNNu33DK34qDCFWLw0DRppWm18BIgUNHaryW61cyDhdAOWfuMhj826SgEp6yHWQo3vz.hkp07VtIAJ5iQMTSxOkPHHuqp_4mwwX3r7TW.qzCSqPIiZ.nriTjpibn5ARNS9MtGnsqjAmPzYr1714iakP441I05D0Md9TTblnpvHI9fQi64uz9.My2pjpaMtovof.3k1JYd6cOZYsoES1m7ZNUZ7qmhEJAT3ArLVQbgmoalBFzv979iGelVIITY1ee4OZzyRlOGa.Hb1bv_6MjOD6DSsF2t68xS0raY5Z97yOhccEADh._.OAl9KI0_QXTvbqbnDUyVqwVqNLluARCM1JXjwkGSV.BYQHEMrlgehon_x9rKKqF0D5Ha7GYTcd7ejNxaMGangY.Exn3uwm9fXWVC0ljOpjfRdTIFcPAga2SAMFnvXEELOOUXT8FQyTtZrreCFJc410qXp7t3187RQkfbLgjt4RvwXV4lm0C1HTPjrMj9NWgZuQIl._3dgTc8Pa9EoH3iaiZfViEhMjW5M01Q73UAUUAZVmYoEUNS72T_gsJmR5nmz8aWhmKhwNjm1cSFMC1BMjUNElYqlaa07XoZ0zOmWwCeZNrFPsl_DfPm7azNgEAZssJ0Ea7q0t0Gkk6EgnWzML5GqkmtMl5hvxJ5cWZpqIggCF4HusJHGUHwyS64U9gpLuTVcu6ixhSKWaSYgDnyUXZUTyZe6eOQsG7sjKGM7dCHWZJlbtSjeb9MmdOEwNeoBTYb5drAMr4.bPE_YZAxNwXRfW3aLs_ANzXMbTcINQjqrj1ZIhc_Jp2_yh_misq2QkhfRU.xMydvjfs9965pFq5rzQlRZcItm4tD.nPmZU2eEAShQr_sRpWdtl.hkB.dU4wEcjnvsUwNfddUTY6PUfH4tBmKTsP97kzZFYetalOK_TySpX7PA89Zi1nGah7shgyX0RcXIG2SqzHDad5NjF53y0LzRuayMX4t53AZggNMAoYTQezsxSGYpJAhCW9xvtb70n5ktHUnuTupcSBbmGpMcuAiwtUISvkD3jxB_GhSzA4GnARE2AWaA2uUfyghgG9nbt7bk8QKRUctz5qPiqJh5gk7tZYsJqBLCB4HNF8ALbgFcvt0liks8kU17bVfVnqHKs1Fkra34hGBm6E7Z7VJ3xQVhOKSBcB6Im34SFnsdJ0fWJDOXjYE_ur.5NuhmRJo0IT.q6jD90V1x2qQdkAjn9Fbs7pQ7Y8bpdEOw71jY24JyUhSRo3JRI_YYKdxzn7HG63PGomzWap7odG7AvJxh1yxZrez76ZcuX9tzve9O_LBzX.nOlQcabxbOtRz5okYm84dEoIazsDYdoN33e41cUrWycnF5n9n4ZtQCFUVgJQap5J69pvZTjb9NVBiTC29vBWpEscYvMqf2Bc181mn19yV8Ux0GsNtyEh4YdmLOcAERV5XLjPSRKFbg2ZntCQWSBKjlJ8CqPKqHgA4MhzbNyJctl2iSZnZ8oufBJwUBS2OGcfQulawYSXENNbnXNjBA2ulLChCQt084YVCwY905XsWDX6o4ha5AKznRvjYEErhajEnQC3HigdZJ5NJpo9RzS4TV3piEpJsn86M.ePzNzj4PuJV75wXVITyE.E24mM3ESbNnBwvGAxSnAMidla3q4BvKRWzWudknKdUJ.ciTGhgZoWBCXhA763t9dxTyUd8whci7Az1P2FNOII1G21Fj5nfAC0lsQZMvDDMRZMC02NjELxEkqiKf_jFBOYz3DxbJKBTnRRfbpq4jtm4X8HdM8MBVcqZJkOYsPlbQ3Dz.QGf8M8isQ3fL2l0BAJrp7DfsNp7Hl4pQjm4dtn9m6ZHiQ84OtWivgCmBVDp2KKeEtb63IOByQZLGFkwdnytgvQH1j2BVsR53hHE_k7drRMWkVjYOyAHvLvFmcb.Pl7MBM1kf.jVT3TEngC8_NnuFHTq.axG5_uiftFuHsaz.tU0ai21Q_GKcwps67I_q",mdrd: "KGVf7ywXFafZ3AD_Rj_NTgDsZFsf76Jb_sUgK6JXKVI-1739186330-1.2.1.1-CEeHjMGbUtU0G5jEm8PFjD6V3clF3k2jMaukxh.hrnGVPWOncJVWxqZqSWbG3WHx27Sg4WKAstudfmCNnu7ivpwIci54uQg1zxG7ZLT9YC_TeCS6dCZg0fGAfJIvcwpqsyBaWaoiy3gL4jgaI4AldMFFerexUCJ5S.mHikQ14T4p8iamZJQSf6XcjnJv7lDV0H7KIJ9LUlIQ6.uTkdfSI0lcUPLRJ72p4fpB3UJWSxnP5_4mJt9i4zBlGT3zm58EMnq2VYW.jYhGdPhQLkKK1aU.3_RtuR8jscpEW0lBmsjfCQ0Xp3gSt5h8xFqt2iHP7UXXo_PGT2GcRldM_UErDtwt9eTXfGRDi2M7uML9YNlXd2oUHOg_NFmwrNEq91NyS1pqeGgQv.P6mUk.LLUHsmoqvaMiYfwY4QdATEzXIyDr3SAEfI1SNahVBPQ.xoAmAwEmKSeg9Px7grGdFaxT0qpY3hoq2uL.xkfG06Ef4M2AvcDCJlYQQ4L.nvdlRMET3IFlK6EUvITO_SN20ieAAsqCSJhovjM6LcbKWmn9fGmDGRa6aqdocNIsj8RzpiJdlPcnhgJ5iJhYphry5RSjNVpMGYfzawVyZFGBV.54exJ2HU5K5xaXSmm8gbyXD4RV4FptteeqlTVrK2erKegwPVpj1AlxhZJRxY2G5VsZzhIFHhE8gRtcpFUvYd21YjLorRr1WC5F9CNuhBjtKDfMgwEoankfJ8Uq7vP8XFx.IudMaTn3CteM55qChn0q36CvN4nE6FzDKh8ZQ_Xy6IsJ.V1U_DSdL_jVUpKOU2Sd8tyMPbiUo3v9C2ykbLSR.hSIv.Zn790GYybBxfcSAku7MVplELtmT1k6YZsZuHOefBHO1ya0CdLnedEhjQ_NMEHzZVkE.lEyFkhqxxl7.eUUOTXBuoqfRouU0hs_E7UbPjEspkvLEaTc025utylmDpsfHSYQWxTVEu6EjfSr5ItycXSTC4U5ShqS7sH3TQRHjCBy5.zegur.ccKmUVkUQJ0uzoBQMM8foNtr6NSwd.fhwfB7dCZZpwsB4wnYUGxzZSF0TnwpEuJz6.ZabkHWEUmpTi8fFkLG6o6lgmAWaVp5zs2ruD4vgSIbCjlM4tVyLl.SWvYQgJ5NmZsXSq4PJISrzYESGtu0UxTjPLndhXaOwBB84Ma8Zz7RL0QNBH6glKMbLTquBpPsz4vWZD6P3yIWHfx5LY4LkDIM1y7AU9pmzd9WyuMQ8TPSeRn5v7ED3KHIuKGlYxacCxsJD2WNYTM5_uPhLAYbrWSnmXW1ff_yokACf4A7YrfFnSuUx0GL2EvTRa7TlAzsltM561XN8gsTG1lNSH01nbMO949IGXnvHrxcidluGj5vdDgGDJK1AaqT19DF1Ho0Zc0JRKYHUQiFITO702wNo0KlUgWR56eQ7gWeYaBYBxM0aa.hYMJtahDKGUAdA0c_aDuGvAE1aKlhxcGAYfnMlKiteT4XEMxV9qWbP8pyqFpZU8vR7XBkOZxG0WFHqm6G4bIgpqpforYmrmUWkMudyk1q7s19a9lmN0G9xj2uZBV5wr3j9T.Pb5U85JXs6vapsWm5GaVvQLzuu3QajEMxPhjRJI6I1ME_Xs.Vt_vsief9UpxQepoFAWJGq0K_QHSTgerahde3Ru2_VEeqNX5f7ahKLX6AeSHB6AVzRQXgdIumYjSKST38uEw2Vp31VbZ2sIwUHL1tfxhZf3h0CYzpHwAKMx6fRUwSWt3HSauns1rktKX_jU0TjZ4CtdkULqijCjrSR5ULdPo8_86M.DlIwKWxTY1mcWbwQw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fbb365b97dc94b';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\/6358721940?__cf_chl_rt_tk=sW2FM_XJcXYU7caGJha739agX3lzzycgkDFcXvAzSkk-1739186330-1.0.1.1-z6ovx3fv3R3HiRAb9mow7pMzN3ACUUp.yoriwSrFZyo" + 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