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-574095869501.mit-edu.top/post/4092173568

  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-574095869501.mit-edu.top",cType: 'managed',cRay: '90faff11abd5d634',cH: 'm7UlOHPzKKKDscX9nqlPAJBIff5qnPE5_o0SwtTNhAM-1739178944-1.2.1.1-DLc7q_i.TjbFTu0Q_F9amrTTRnbepTUrvhZCjzucLiSQMASD5ylBA3oUB0UXt1ff',cUPMDTk: "\/post\/4092173568?__cf_chl_tk=V6nq5J7Z0nkxV1cG1ZmZ.kV5_UmZ354TiXpnb56MlQI-1739178944-1.0.1.1-UFZw.DIn4HTVizCIQqGqU86fw42p7NqhiHrfYhxFVjw",cFPWv: 'g',cITimeS: '1739178944',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4092173568?__cf_chl_f_tk=V6nq5J7Z0nkxV1cG1ZmZ.kV5_UmZ354TiXpnb56MlQI-1739178944-1.0.1.1-UFZw.DIn4HTVizCIQqGqU86fw42p7NqhiHrfYhxFVjw",md: "h55pDKa0dbaWd8XTQM.hD2LbtC4OtENVu3yTbjiyJ84-1739178944-1.2.1.1-zDISuaunabeD7Hsnboki87w5EYAqHOZ34pxWrZKO.nDtYwMIkBZ0L2ZNz5lXNV69GaVq_qG9TnlHufXkIaJSjGG4jRq2S_8b3jtdY39F0vBMq4kjcBvnCzvotYaj05UWUP5TYF_hbPMV0wSL2pB.vqJxZb.z74ITOyegL2MruOEOChvPlEhq9oV5nwySTb5OYlJf715nmdrYn1QpFDcq7qlAnHxOhjPw.2NKjuZWsyNL4pOylNysEDf_bVz6EnNEkKObO.PDneOx8zH3JNqnMXb6k2manSyKITjVQ.fgQUH.vroqQrUToiOtfpwTM4pkItX.9uS1KvkaKZAp7x9BPoY1qPmeoPHPFddg55yWehXvjM9C_6ctGYCpzL15o7EM9ZYvcfRsbm.WSYK9hyai5BmI00rkNLc.kL3WUeWt8ppJ7gHaB.rhp0wF.6NSYjw8r6eJU5UdU3qj8pGqYwC.X7WewfeRK4FGotdcuNroKbBm5QYWIOYahcqUCIror1QiCsWkaXwjK_HpO5sFEuWgA1Hx8A3RI27HeADekfkdh8DLQp7QUhH3nyhDiigEmyXIrpnLin36nqiBUSVpJJ2SQRwV20I.rcV46bTdf3HZBVzNwQHfcDhiYY.lY7zK15tZCpl.C2ucnWfcHWKk4dAMN.DSAsy632CJ6pi8yqkVrqGFEqFa.RarEJQPHxeEjmDsVeqJDlLMz6uhJ2OiP8FNWXnXrbiz1bsT0HOXRUuSEuHXg4UqU2ise5a.AKm1vsxA7KFqj66xf3WfI2jE3RzsfWVA0iKA47LHB2I9h0B3gxmKi6AKzv8cRQmFcZZEE9t624vilL.GwKjfAnVzdHvHBXtA_1wO25H9pq3GYb0mB26WhpWxLakmiD1UsT8mqo.sG861WzwGMFj6Mria1Lb4Rn4Tw1pPuWAU8BikdWXf_Mzy2bhpDVH0crBkUQaD.BWoGkbneWSg7C.GeQerIjilgfBhaQb0dwKbO_3w9.BhXKbcWljnpcuLm4nUfByLKOerdR6a.dkJi0kzUR5g1a2CweUAmmU0Q4ocKOOTt5zVmrAxywsS4jFKe6UgLj5x1XtQJaXmN9cPqWkLPq6VpZDHXcNeVLA9tFIT3O5pzR3GK_s2kgk4nvCLMr627xQ_tJmzeG95je1FBg7u4ErXclKRy5Z2wXfzesrX7iFp7BfbeM6B8I4bLYwFB2wrtp09Kv_jnKgGq4a_3Pa9nm6OcrY8AohZVIyvvKjpXoB01rfb_IOqaNe4iHsqfqBaRJ49PP64GCjrymtYChqCjMhH2dIwqmnU6H6OjU7.kXvmjCcIJ5Y55zRR10PaFxz9Ji1VMqIB58YByEOCMUQ.qi82bgoETmEVgAcF7mHDJ_WAo5Znn95vmff9uh_1OKx2dvgdz9Xhab0bcHyFlrti98Pp0fYnEGalu87sty8KqCGVDoV9Y80S_rjp3glJyiZaqkWk4I9JYsJzhMZEX1XOOWPicXdQIDN.P68HAZhuhaUoNqw_GND_1Z.fdVCcbpJ2Fb2AVjJHRMnpLjF2zDmmdSs5qSjPwY8gOwkK86JEetMl6kyA8mCwJAHsLe2KIIfzGitHiCweFWU6oKDZ8rC54qI3sW_mwA_lwhrNEruam58q77pOu1cn7gF4xDHbtl7Phzj56PdzEKQCz72linwFzpYlaSdslXuqe71ONge7RT0A2cabnCV7P6_clCkVv0gVLAFy0GfJwW7lyt1Tq0vAGUM4rWg9y7pUaYgL_pCrheVgcmJwyzOH8WZVzZn8NGzbFBhIjqJ1hw_rlBGlTw4b7obKbjXIiuOcKjW4tDeB2YptrWhXbnckAzDd0rJr39M0XvUE7ZB0cnVX2Q1WTfFoI.CWFCfzg6tLvRXgzl9bEyfnYCLfCFfDdIZ4DlrzEEtCHN9q.fdvr_l4lM68wxTQbDUWovuxS6K8yDD59cjT01hwjxH.o98G20wCiRmeW5jbXPwvAEpa1NFQUEfvhCJ_OGpPIjBR9AQKUu5UEKIPnTbAKASRsIriowQ5jJk2EtqMlQ3zRerE7tEfnBx3S_ZiFKtEQZtFWUh.bBq4RqlgviLxlcnLeCCgD1krA0OSMfcWWqANks0x7cfGyiIdysX78MTOnmyPh3ctzZNeqezZ0YjnWsPu.LnfwvO47otqo6Br70u8or1b0LG51e.E9ALdto95dED7426GOlHiCozcTxOwMY1nOa.iq__RkNruNWIzu0bPCIGj",mdrd: "vG.vRVQCBgCxtxEuI_7ljZ0cPO0V1pdt4yoKISw8P3I-1739178944-1.2.1.1-HfGkHL9Ll6JqrjMrGRbUCtexvhPKgq2iaBCSy0GulMDNNij2UrG9UulZIXsDONm6hhEh0bOrxAhhjhA9Ksz81zu9G2lJyY_Yz_I3JQDOMsnlw0RClCknswBR5oApxkDGeXqVJAHtQifIWuBc_SQf6xAH5QUBsxSWl9M3EGf5jj4g2iWwo0x3EEoxO3qn8a5GJaII5CM0NEl4VgSdaZcNN.t.KlFgQltyHaWPldasDEkAGppAouMuGb6Q7A8Qe..svyJyhAXcBBt5T2d95ZLiGC3aHzrcf0BtCdyrSmraboRlsy3wiZ95nWaTk3mM7AvsO1E2NNkuG.z4H021Gb.zFMqnFOot2pePyoAOYhSnNYYWRKKZj5s_ZVw6gzG7nN7MwOFlK7DC.kk.9DhMDv6DW4n5zGUFi6SF2J3emvt4EZ60M__sZ.CxFeMy7YQ6q1FNog9bBbUpA1X2NEPNEownuRcpvpyQL2ayPhOkM4ErXvCZCvja98bday6kkDr0oMxwF5zZd6mduOrirklRp72Ztu5EUdkn6mP7Y8EZF.SOSDCnS09SQS7ot_ZiGRP0wYbQ1uAfay13GEBZMx2BVjO1e95DtUYOPvyBTQGAeuRClKB4SRDoXtHuFTvlAHBso6jqqXBmFPA73.x8NzPJMrwRmxT0h8VeRRnYZYl5GTmZEMF2qJ7RWCooVeFd3cW.219OGmOdGyb6cxGPxofQpOJa0BDkMfzTwDPLC3RUrXjIU2wwaJS5kUWmSPMZ3GY_k3jDbgHyX9Tk1RtQdVQ.YwNVc1E4XWJptLdKnBGMy8qTnulzWtErGu5msdFYxuQpG0XIqPnCQGWR1kd_X7PG3ML8Qt677kBNgWORVBrolpaZH4n9NM.KqFyHsKtoi_Yts.SelO2MwybuikajC7.IAPtKX.xFwYM2EtlQTn.Aw3HS.WVFo9rfgu3DBQXn.sx3m1OaeSA_DrYBzy5Nk8TaMvrwzb4wMCbgjy.qEVNKjCiWMo11LvYrAZiVGHmRk9gmVqV_xBGF1C19J.FV0jqQ4xHDa5kPcMegG4gr87JuqWstoo13T6szkkhZ_.RXLQlBRNxmaF5pD0MCbYbUA9MNGle2ZkTr56fI4pr.bCDnTjZGjb2i8mc4c0N2OlB.aOeoBXG2J6Y6akvngIHsKhp4hg3VHX8GEFhdod3gseT5Iuz0lln1sVSS0W2DkFX0GVaSp0PxOuZJFkQbJsNaNkOL2hbbqAc7WicNM1af8PQTBhYw6zDJDkL_nA.56JK_v_FD8PF0iig6XOj.BodiI._l4zQkUvN189cEt7CiM9URgXG8W8cN4s1mYwmwuLCt.v3YFyzJHFrRVPFbpi_XxarzuI_DO8PnclIT3fmjpEH_1Ihp3ZWFiUYv8UW1EUeA91L8D8wp0mL7v6kPlLPe_hQtbYS9XzZRIp1Fsp60AUFiPSU4LwrmmgGPYG4wNZwlGW7iTR2u_bzCFEd.TbuINo79tdU9b86frdBYUbwq8zgQf.2knJZnITzcRGilGSToU9E2uEPbnx49PQWymXN8xxrhHNoKNMbVk_6t3xHsKL7Yl1uNj.i8wGvjkhhUKpvE88.oGTt9LTtG5REoju9AanOiR_ZuAem92MKO1iSael77KtWIGC3zuuMzIjjbxB0VbCJwN1VaTJXgZCzSHN74AybxUFCck0C9BmTisuTTE8gPTDE.kxkG5tdFSe03Qiu1jKHg8FKxSDiPe_WZmG.3rxx9heQZY8EPrvXHXpwJWZeDFyBoz7TIm5Ne_273arOzEXx2aorLyS4PiWaytk.bROnFSbawnw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90faff11abd5d634';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\/4092173568?__cf_chl_rt_tk=V6nq5J7Z0nkxV1cG1ZmZ.kV5_UmZ354TiXpnb56MlQI-1739178944-1.0.1.1-UFZw.DIn4HTVizCIQqGqU86fw42p7NqhiHrfYhxFVjw" + 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