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-0542783961.mit-edu.top/post/1590346728

  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-0542783961.mit-edu.top",cType: 'managed',cRay: '9110444c3ff3d6c3',cH: 'uFCenzYMmzH5ECXBRV0njSLYBAzwN6Ogs6PipgwTkJ8-1739401980-1.2.1.1-f55YQNcsy4EqTHtjNlmqlVnzPCb0t5gYRxqZKUazeddNvt8JjY2ieU.P5ATKpsCW',cUPMDTk: "\/post\/1590346728?__cf_chl_tk=UGjZx20THMM9OUccgjpdxXmTAq_CbDCNlW4V1wVkk54-1739401980-1.0.1.1-3mTe.II9HejW1209GmNJorz7U5iGOY.CUEBm388VMqc",cFPWv: 'b',cITimeS: '1739401980',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1590346728?__cf_chl_f_tk=UGjZx20THMM9OUccgjpdxXmTAq_CbDCNlW4V1wVkk54-1739401980-1.0.1.1-3mTe.II9HejW1209GmNJorz7U5iGOY.CUEBm388VMqc",md: "39BJ4GqXKnnYz5aEApS0nhE32CIc1ceIvPFvb9SsrJw-1739401980-1.2.1.1-dbvf0tA4bWSAFYcYPyBRLRpvNhSSvwQVxkyRvPzLFJYxyjrNUKl1AGRgm9yMvkJpQx6lQ1_Ku1mXj7eTs6yQTxr2VrPc0f1G2nTUIHcNXz6dID2nMLmDvegrosq7lYMCBs3Rs81J3tHuECW7AG5aE2FEIACOJvwxk.RLBcBMo7OeJ5yn7CDq_UoOPLAtkCbs45H.FHVxCrHcr7ifmHEDvvwVRhBlkof7nxmfSQQf_TmWI18ZakYg7Mvn0Im5BTk_5C6.4iZoed35T3TIBbMt7e_fabhjWmIJkb1UQwa7KGTjZ.9A5ZRNa_ItZd4NQpjA4OIqsUBMuWv_OFh4cQXzXmFWv3PwxCniJkRVP9p2GrwcXcDA1g9jeCQJ09vSjsaDdi20Y_037oqz1y7_XJnNR5pP2tySvj0CNMY0KLFAX5TkdM6f5T2laftnfCOWFExeywn0fLGq2TuixJHAT5O1vpawDyPOUK0PKVt.Acrfw116jGWFewWTI6LjdVyxbW0y3j5HMdXp_FyWFppDyEgHiA1f9OarhX0bZCWG09fSla8OMDfgG3EfZldjseoIi.P76W3P2TkWMNDApU9n.1SfdKoWzqueKThcTWBsHxGy5iwqk0vnQlV7oZf7acJkeCA0FwOQHOqVFbbeizuI7c6MpFgw5t_tKzNihhKOh.lGYTgkxRBPJpqbwJQt2DwGoJGtVycRhIERgrlz1PUirdl0vsqLAIWzppiH1xWzhGSDFyq2a1kAFc_7kwvSK95NXQqz4iJIhISnRc6iZAU6odmhX2S5.F1BMiXibVqTqnPxxNouSVwexUGZU82VjEm9IEnE6xe6axJLX9kKKV5AJyVyCc_DVJdQAcQpuRC7m0srN.cJy5gS5MhoU__6Tz_w2ABznS.TsELWQZQbV0lDaCx3RQRWf7wyMUrb3CzegVTkx_Rh0_jH.KkTr3ykRF7ATrEGH_8qMoGvZhQ1kixklRu79AFp3lqaX7PX382FxEYryjvwWlKAuK4lftx0DZR9ijP5s5OedO5UEO28npQJXURWAL8_MAugA02EzUQzgte24uU8v33lgo0jY4hMf2_ZACpjInJseEOKHuhGLmi6ROvyXR1hFqP66SvsgmsYWbcJYvPoCKiEx_11Qt9AcmJ96DpJtGmV3bdW7tL6DdSYDmLadh.mUzPwyYEhaRGTylN9twvMaMn3QyrwOZ._BbTJ07OBaz41iksHSHKctKxv33Kqr.T4JtoaeqTwllKYpuP2l8LTEmB7J1cdCSowNPipYOv539oluco1wejWzdNMppjx5FBuGcyctbmaGCEegXTDxC8QgSrHLolqivzqeogzqqiG2nxjpT0rplgSx2fh07RU6yUECQzjAnw_V.eEBZsk2SMLoJfohJ4APIF4LogHYFRrTA6WlxmnHKERRokd3H2dZvW0fwKER1Op.DzjRQEzDtuPeqBaLWEO0QVdBwCvlmjui1V4a04yDZhkD50UTdfjB6PVWZ48B_BX2b9vUmCMWedfnVCrv0hiFWhI8P0TC6ORuSvNzZ_dQgIlHlSpAGcmU8CujJ3HLFPcAnbOrE2euDAjoaLTyf1Ql8thFNmHgCNERBhgosKTSuIXMeuP2Odmc3TRb9C8OQEsuZZGHuUJicHfTPaX0ZHXsHIbHzrPq8wi2OuzWkLzrh30xdZ6xj.Dc2LKl9Ho2stM3StpFVq8WByXvqSKpa072uxxI0zhdSFl5gyI05cNE4hbNDE_bvF13b0NgmDYsIF1MhGT6ppO3gwWlxHLK1yMYpXdGrO5QfOPA2aB3f7yTjD8LngNSfi5YEPD7OGUuKUcgGU8NXsNVSxFDna3MYOV7.NmcS5qWh2NbgcTK25mSC0UoUEpnQ7eSzDSwVhmME1XJBLVYb6eJfw.Yb.PQAQ0svxdacUzCNCG9f3eiMPWpWo0sCBrBWc.kcUM_nRq2cYwbA58NAVvpjxeoblgzmMZWGcU_i.QMbXSGLJk8_GnFNzL0OyHh5Ac8cs7FYTASZ5y7LIWJVWNQQLM4OvGu6jt.SOMTgFJNmn25OgUV2hXBPXRUacFZGoHIWObfZAhVzCmg1YUm9JpopbjJKCQsl9GWR_Ag3ZavC4Ggwy1fOxRLLKvBYTbsqq_lHBpv6ZoH51tLUpUNEdznSxqG02Y2kzwsWuWG6YJLVnRpw2qa73uvbdMjbC73Ciu54LZodnr.E0qFhBZKmPcbW2ikMMGLs9Hbb2vVtc8G20T",mdrd: "s9SMH6t06oly3hxh06zXxYbGzjn7m_N_JuT6mJTQ8rQ-1739401980-1.2.1.1-vh_xOLeKh8mtCvAyT8UJs_3dHyTqTjjlWiLkz2FoYzppcGZtsmwu0ZiJKS55KU5nvkoGR1v742i3pYuSaVlc9wUQkMYqSBvn0eaQE9SHnJvDqsXe9MhDUN7Uq3k.ft_MOjAHDbforDcyGFvucesdX3IS5QY0x9AMfaMeLqTC860F4NaccVfGd989Dm4ltdBBxwMp1_xrIgPTeyt94A1s6Qb8xsNvKztEZtb1Zka_CzvsxJYEWJNeR2yHqlyUm4rHVhG59heVIRDlHVYdSugbsgTDUTfYnNQB2Q4UmQLZvcZQp3xJ5pEW4YYpEzV0p79gaC1TQp_CxgRFyVsCaw9CHAWdu1naVQ0jZX03Mh6uM_ifSDyA8Aw0q3g5iFCYIgZ8gYU.IceZ61GDunUYLoJ3HY5in0EG.XkWShZ4rXgiWiat0e1efMtFmecxy848HRA4AKbViRQBPtCgj0yC8IeETUTy89kfOyVzhj0LH9NzwU07AK5azKK2V_PTsqNRb0bu5KIY.GvB9RErLc.5lOPm57JsfRqlTxRROlc1xqM4KJCcR2U7K391czixyXuzGpN0MU4y7LTuhmOVgSZySun1aUaNDTUiW4KvQ2LPEBJKocm.eeNcWdDEYTq2FDcrinTc33p.cZ8B5qDC7r7pu4Ecqo6wY59io8BWUyU1vPl7mD5z0ndumeTfukEQuGPBg4Yzd5RamRnswA.phOXikCAuwDlYU01LykOwB9Ifezc_CPjUcJA9lp.WxISLGsDnNRe0TyTVLLRZ3_ZihtzXSwF9BoTmAvSqbK0Yd0mTyKs7Y7LSwQ1znh9USp8Pf6ICVRU2my3ZpXV.SrQ2Ed2NtnoJ1wgiCr_OD2MkRnyUOq1o8ymlNPa1Aqu83KI6zpoTBVjVz.EF.6Jb0Pbsng5.Q0Ti8g0Wgn9Wd92MOWeCPIB4ZafUw6_8iaetYVaOH0Ye_fIGwHOpp75yYlB3QPloruxoPfHgtvMgr0V1ZSGy3_AjGD0YvrfN71yQSwEPiaD6o.sdjkco0joSYfzvD2A8HGGe.MfQuYVSlc5HRRBr6QQnUC7GWz.eNhzN_Q1nSaEJiru_68nzhVajER860NaiAQH1VrxbVrH3zZ83QQF6SVCEy3qzZLflHpXwjSXDWoLtu3__69tksEI8grv6flgUnSNUfvbv.Mj4Y6aZYCDN8uGqqVaQJGfKerHN6kcVTwGLRabQ.jNqidPiynBEeSxJOIPfET3OksM511HdBm6b9Vy45pZKp9HFvsnvezsezNzuog8.7STXJYvJ286G3pJRZu3NV0F4r552OM06yoc2.gnc6OeVjt0rs5G3MZ2ouTwpXLMk_cBAw7BC9tRfON1KdcF8LiWeRmyBQPE.MKJVFbl2PihEK3TZ3ZWSQ4Q3Xsbk9i8TnZwmAgSC9o_w0ic__HUcIKz6OPkLmLS26sifvVgb2JwRmwOr2jFGzYmfPdpRtQXrfGeYQQt3sAvzq8jFnqoASZHbNZ3VyQ45CCe1Om_1VFcRoJq3EYCKCRpTiTceyJNnv.QxykBtR8vdSm5rwjJx5dns6Aq0l2UjopqvvDB14gJfaFRcr1l_NekdoLcIkJc1C5cFhPgMaJlwZYG5yp9ezmJpkq1HpEnP.GzS1BFidryu2KzOv349dMx5eDjwqp0pSo6.DO4tvlW2D4VMhfGNS1iOCIvym.raCDdNIjTScpp_qNMma_0BDBd.oCbU5qozGvT_dfksqiAcNtaqPxOsS80oA4Fwr4vkAUq43FwOdng6GVkwAvMUxJPxsG.eSYMm8kQA597lBrp1TeXZ6P63KoqbHdwug_Kxh4n7lNY7W9SlSmdq7rMYp8wZYruSGrbe"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110444c3ff3d6c3';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\/1590346728?__cf_chl_rt_tk=UGjZx20THMM9OUccgjpdxXmTAq_CbDCNlW4V1wVkk54-1739401980-1.0.1.1-3mTe.II9HejW1209GmNJorz7U5iGOY.CUEBm388VMqc" + 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