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-291910439572.mit-edu.top/post/6498172503

  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-291910439572.mit-edu.top",cType: 'managed',cRay: '910fc6804c18c957',cH: '0skVu3kD7XiTrWB0daE3fjPHujZ7YpcsUC5HgxNSBIA-1739396828-1.2.1.1-iuqkWek.bVFmaoB5WJPwct65Pe09R1HzjK1znrwwrOPh35v4iigBk7_8aa8DfoaZ',cUPMDTk: "\/post\/6498172503?__cf_chl_tk=dVb.ogRb8fWwsS5SBboLIiJq6PWTeXx8NYr4b6xCGVA-1739396828-1.0.1.1-g4HkqlK5q8z3IfoANWtK_.Pef_kFRylnHefUgwuaF5E",cFPWv: 'b',cITimeS: '1739396828',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6498172503?__cf_chl_f_tk=dVb.ogRb8fWwsS5SBboLIiJq6PWTeXx8NYr4b6xCGVA-1739396828-1.0.1.1-g4HkqlK5q8z3IfoANWtK_.Pef_kFRylnHefUgwuaF5E",md: "MD5VnF5VPsrWPsI9bBlsLuQUv.3OhTPjQmARllU49lY-1739396828-1.2.1.1-z_d9OxwGHw2iVccgXS6nG0znR7_ibLtIiWfLs0g0fnnVypEy3F8UL2.vTFG1NX8OeNz5nzWmFh56Ahgkb5oGdDxbSlLPW1mgjNp6fxmnwfifrQrcpb1rp1FLdRIYsAl1R8Zu2sRZPUNei8r97j7i3815HO6dnS9y9Er_6stkuwQyc88VGrFvMvIkJ5euh831PkEFFy.GR.mroDVgJ9g44Ay2GxC7EM529OL6Pb8URfbglnJV3HP69HKLOMoa4jF6TnFx8WSKecfDLjCTQXKDVi9.Umx6JSxCtawKWyW7zodPlc7gvZ8AH_yoa6d3fJi0dA4vcFkmRi46fCWBzyVsT3X1vqjkLGBr5Z32WtIenenDncIFPatGVAJSFxcptObv0MTLhvgdQvzhmr0Ybd94Cf7wTs3U7TGOGrc_xiYfY73Shm6wz1X1cHaWdXKvPuok6_3k8zIlr8wLtSf8i8Ea2oq4q3hfnmZ0sB.yXbY.mjqxXqN_F39VgwpwHKk7_i4ioKDftwnuMQV6ze92trZx3Xn8JdHdEOE2XJDDgMpIjFxyT2r5Vg1OCOjJMCzgp8.pqqRr9LPGHcSvexPg9Oxn00HAmeg7jSynrWwPc2Yi_XWeWCq6mpoMO0LQjVZWdpNmz0PjMvGWVu7wPJD4fsNsskbGvy21FrJHaWFmP2BTjIg9D0huMWmRiD3jOxbEdyJ4ksOxJEfATwNnOSaJsGRVPI.hQs7YasaO2xWMtlSxRCLZ9Ew0l1m_1oQ_cRFNUvHmOw3ixoXQ_J708E4lVZaM7GiB.IX61g.Pqq7EtIrgk5pVY87KSqgWBDT7cIumnSf7N9C_SlWGJt0dTPuZOZ19FhkbHFl4cF5w2GpJpYx.yOUO2m.3Uo6YKmYiZUy16yAJVzQ5DX9ZIrx5xujJrgzq70Y8Rizx2vL511DC3pfARlAYyGoJNQHtkMOtkamtwyo_WVT87NQx3WWvdgIDCVsLmpOBOUAmNU7RH0nJPNGW23F44zGtLOXZPrYO3i3nRqWfCRCVCqm6CT5cieu8BvNTID5cAR.N1PcpjaaWLOmgfi.mpMIm4nU_rKQ8EwoOUc64.BlJ5ZAC85KlgxbbajOQcpp_0m5C5h4eDitlH3w_CSqhfzj8HitJVGuAIxFdQrnQmzGpE2SEQ6likAqUuBN0uPEFaoPuN4X3gDfMaXr7umjk4ttat61alEJIoU1rkK.76EmE.9zQ8I6yU4QeitfFTvC3Xdj_Bn6oconC.iDpiUkFEuhh0ow5S6qwMRlYSMllzPCemQeeytBFYgW9J84jlvsVSsnoRBVX0o5tXwpfqTg_A9M4nbqRBWbaToMNSygD5bwTxhZ5aRcFejzm7Jz5VKlLFAd6PpdmZbSE_5KdB8IqIiKk9cMcXcBoxhFtjAI4gmK100hjCecqq83ele.EvlilsyxERa6H.tFe3NQeEex.SenUcc47FlX8FGvvu3UATEHKaLnQZsDzyD7QajYQiVzVplSwOPMCM8iFYEF2FpLi995FtHwb9B7Yq9fPOCoLckYCZOyjv2quSSoqvsn5urd5UnIKocXJ0wIiZ3t6KrXnBflyB_p9c6XiiVBSRgO_zWR27mAYcBjeMeCgrNIgnjNJ35Obw88Jn8mBrskLG9hvKKXohDlZZc_05GV3IOwjqNK.5Bfd.PKfxuNApPSmyt0TqYGt_R_JMmQ0hE7Y7xKvkz1Uydxj6OeMqPgBbIp2vJC5VeRIH_bGsuzWA.nKh8hCLR4EbaBLJ_JGul_kk1RvhHOGvEJwW8OHFYMsv9bNycjRnKsGLAWvrWs208bOccjNLZK6pO0KpDdOdU22lO7UgJDGgL5RFWQPTfdiz8yZ6VpTgNqMTVIzO6.ISC5KvLpi0mbIiK6ozuHjmU9X4Q2KCQzhuN81EXzGJOUSQ80E.zUruqH67joquYgm4rbftPOPgSkDYbph1mIOXF.BDJfNnMh.Re70BYM1OfLfiriBou5A7dzrp..540VQq.roFERhRnSNlur_bMZ9jJinDMrwr20ltBaJ8p2L1rLd2nqd4E_R53lv.RzaOWBioo7h52H8GDFXKGyFfaMV3V37pAlHPerNhEGkeJjEKJvm6xF6MGSI5jwcNoIkbyomJVau8s0AEpjclEexyuc.y4qt1rEENiHs9eCWgAXsJX_XYTE6aAzJ_Qg0mRgC7CMPBOIiy3EjUkpv0PzqmRBDB0maw3AghKBdmNUS8inWiIg_Y7Lj",mdrd: "vCtT7THI9ozZKCdNx2pBowZi0LNMyQyiEjxxOBRzTR4-1739396828-1.2.1.1-.zatnl1GvK7A4P8jYNnjp8_hw5ZwxCiO52z_1kc0LKepJ_GUdipoigwLpEsgtABljdyB2gVBC.whxNSK8ZlHNMXthPdQ2oC109wHJfbh0Iyy6sRG7kJVUrriExPIC4.LTmp02sqnfICa9VrPyTRMlolBw7NxZ7jn2dLhXWS46J1aAGgNaqZn1vF1biyx9PFE8T0mBWG.fAFUhL21UvGg8IMBiIeIEyxUAZtRpXdMr2jeLwD3e8WDtGCLkqt6Irt1Ppo0ATINrAM7UtDqoNxwt8__hzu_vZUt_l5_qQb7yLJQIhs1mpgjFqh9feVUo0H4bJctRSuBsYIhpQjnqLAeAFOObTpufi_5Lp3E3yabY.M.AFaYeXVMUSqQ4CZi.BvkpRXkP6NbYDRvvqQuKp_ceHj9Y942RtCEh7MVdQ9xoZF4Xp_HYf4ve7E0ftMT4HTqN_GfY7TH_JyWhtlbFxbSjzrOp4Hiq3Ut7HRjd8gZqxnIU7w9.Z7bnHqEXDUQeuyGW1O5yYA2ZKP6sgN5JQqSGVloKsj1t7DkUaGMolKlQFU9mixJEbs81XRshfnvUbYc12Iey3XLKbkagWKYFyFUx5I81S8tu8sVzRTjLCOQC5nXT1qNaVIo1Fr4aNMuo_Doj.eRK_LjfcrWg9kqHwaVQW7lGfpqMEAPvXSYLfwC0VTC2y2t7wW3z4EqpqefRMDsEPxfrf85uGZPe3cOGf64ZOS6YRdjhVLxjqz69gJeUqtWLhuQILbhoWTfdivaMNPHqPn4NI4QgcK4ofIuGXU.mkInfgN6fnURzIfu_AXnuogDQFYibHInMxaaCVbKOYiqumU_RGhmXuZVzELJSgN43l8yli2h3TfiyhktaHgT1GX4eAfdtsVk2FtZEJzodUaRMTjhPH.4en2fOzxJtcD1ArVNchmU6hoEw9OM.X3MN5q.Q9u1b655U07QJwHNFxhN4DjpgahsX6g1mKOuKV_izoWQuqH_Bir3pwFH7o866DrvOWiyC8KF2Sfyz6ft5PmSeCd5wazVkxmEfZLJcrNnACygJcZ2fAuj.jfL97HNDYYcia53CwZxRYBezjq8biQiF_4S67o8RnwGeRvF17f3AuAvj6eGs9_xqjeD5K.hIM3NATV8xQzP6wHERtvdAj70RYjZL32fJv_lkfSVxo41l5ToW.efp4RcJzGQGMbwaKR.BfUArT.anDC5OZ8pfhEgJ66IDGoIRZuZ.ieCVTwzPs3xpv7xCRaU8BbqUuAeTQ0uZZ3Q_xrYBF7NhN2SI5J6dsUB7CJmziKMeNnn5Zdp7an2m5MNT2JWShD59gzLHrKfF581rg5KpXr5QPq0pAPOd5aiLYzIomAj3UbxuMUZSA_dUH58TZ02sGNHe9bc_ab1CCt9RdkXYDZM1BTprvmeOQH1I_VbR5.02YYggsEOOS7VDpI.CBLgKHOodCBC6E.Iuh4wsSxAMOHT2rWag2aheHFH1fRf7dvdCqnripiYg4CsOIOSn23U3y0LYPcubfbiGCrxEqZ6wvBskIWEuw2OLpZ5xlogFlHA2kVbHcFftAzlmY8bw.TlXg6TsILP5pusJP5p9R08BtKfGKe8yI5nD3RgwAinqEZ.DNZC74dlj8sPCTxwSlon.Eon80O9VpRJDX7.aQ6bbAVSqb0UeA6ZKBlmzHTWO4XHBEyAHJdVKOshsGtQsR.QoXKkjpgzHSm9lCMyx.48y8z1MWP48heyL0qmhKhkzZhSdcmYQkF9TuVpIiznBEYZeAwL99b5SRphKTlCzWM7u5SfjktuitLDXjozE4e6qIiFPJbhRRYIe8jLC3Og4jR6aQWqZc5gGQ8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fc6804c18c957';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\/6498172503?__cf_chl_rt_tk=dVb.ogRb8fWwsS5SBboLIiJq6PWTeXx8NYr4b6xCGVA-1739396828-1.0.1.1-g4HkqlK5q8z3IfoANWtK_.Pef_kFRylnHefUgwuaF5E" + 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