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-471172936515.mit-edu.top/post/2781560934

  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-471172936515.mit-edu.top",cType: 'managed',cRay: '91051f4fbd25d678',cH: 'aw0_KEp.WYRl_BY0Umf1iEmcx8yvrCvFq10o5xqk88o-1739285122-1.2.1.1-tVYHY21WPBfWnQV_BMgct_XQyybHApVdgzFWabVJLHJDBi1j7_LFPELla305HBWo',cUPMDTk: "\/post\/2781560934?__cf_chl_tk=bh97uuiJanyWWQx0cMKpi1k8stTSSfFHyT3mXOrGUTk-1739285122-1.0.1.1-4iuIknuUAOS7RkTPLEOOHapF7TF3Ohnd_qoBZuvPJ.g",cFPWv: 'g',cITimeS: '1739285122',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2781560934?__cf_chl_f_tk=bh97uuiJanyWWQx0cMKpi1k8stTSSfFHyT3mXOrGUTk-1739285122-1.0.1.1-4iuIknuUAOS7RkTPLEOOHapF7TF3Ohnd_qoBZuvPJ.g",md: "a6u9eUPNoKA6dVjcdDpVeI3DPTBTsPkWge2C1OnEXLY-1739285122-1.2.1.1-Nvvon4qWVjHN9AayFm6wP.QkjXbzhkuAn1zep.hJ48ZQFM7845VJ3jEvL6kGSup6zsjzRWUrO9w6CWUlmORAU7kRLP5zd4QJ5nSuG54JDloKY8McFDd_4oDgxa_yx4VJxFqJc1wqSBsXWmpJTihKJR9kuKQDA1dUzvgmhWc.lzR6tvqO2XYKbdRkHTaIBrCeaOO9XTduvmWJr9LBb.tRG0oSgse2lOjOljLcasm1gAnkJxOr7J9bo3mNCq5i6E0Rf0i0k2.ca.zDQo8bFVGO.haYm7KzYuZnj78y7Rl0.szahwHXN1v48GACMT5sMl5UFmMHYAlMYbhde6IWyusnU.KjOU.jB2DFxI_BV4FKNjS35sbAsnrLF.YBL8VxC08iqKH7FnM4WyER76yOrS9mcvr7rSJhiJT6WRA9S7T3zojplsMEGB7s1qSSVFe72hT9QYU3X3WPScGdjGPVrzFkbe0c3xQk6uUYw_xA0dbNma9lDVIja.WeO9tjDtMwdjvTH5vublFFVEsj9T46.cK0x4QNfAKhMeqPQmLssEphfqyMewF5O7zpDzj8SvXhaUn2VZhCdTzwtSR0JeWhZv9Pyh.gcF9SrMnVUoHZSan4Bo35CvEOpget6oPAaQGSIVNv56BwBfOegmQq5pJdYzHnIx7hRt4OsA23CjA3KgJigCAajamw4lgUzBMvTYnJWB3koyw3_n0jdmqE4vbz3BypsgK4sggfmdxqEPAtnncDx_GnDbEWD1Vwg0JJeVxKwNSD7epu0alKyxJlN0J...jnGePJBy02NiqkcPatfMO1O1mTL4Gqh2gBZIp7dlt.ib4pML0_9ITYwy5_LN4y7hGcQfLRbMRYDYyNwXrkwa5wB0.fIts7nyWWBKrfaZd1ukJKV6dlT2VpwddGXS3uti2sVxgznF5YTf7.xv3RpZB3DP59pwmxIH6RfFv5Ak5VM5pqfQvTCoWu41xkL0Fnbj1Q4.2QnzTZnVjhM8rH4gag4UBE4euvyLVknVK5GCD5FHDo3rEC6zAujcN5eP94Rhnjfnu8vQJtWv0EQZwZJ1D6.IO8r3hhBS.r.nYYPjuyLiYYqEt0RlkWQR3eLr0i2cfUzBcRqGLvaCFjDzo0KqB9.903L5a0fda30XnXDb11h5r.5NOw05XkuI76OVaVmn9dYlEI9vE9Dz9gebvCBLxHk8On.NWSzypNVdWznPl8uZL9k1fJKuvTY0fOcKhdUCz1o5uprA3HS4hXQuK3CNZ9PNEiTCzA7t2UWyrp46.zaKPfl_JfLUYef35lbdUT.SRo6mRdGJHMER6iwrgOeUF6Fbw.0MBN77k0q3NngChHcZM1CiURNuP3AgX1a79_OYqflUMvxNTm0g5Ljp6vs8.svV98CtcoWNQ8EXbAO3Um4TCuiOVTEqoJmQIYRWQdUOFiQMbRxM9Hwkgb7vAVo8CEvbaI5OZTIKdtidj.bt_LNymd_AK_D5Pl2Afl3fYTmwH3bqT.mKtstTPGpOKo7WFxfHOhLjm4G0JWHsMDc3r7hTL1.wz4IHkC73B3tC04KPYt9khGUOdVh.cgulwTVcLnQvOy4wArBKEP9lHP8fyerKvmYCXr9S5TjegUDaIqA2lEPwkVShdkOjGkJnaRgeODkLDLg8ddyl948vheMl8G0IQhstdJAPyNFvqVI_8qFVgvpvQLViLNSIxGGiLhr2uWPig0s7144mA1HfkQoGZ4XOR1fwm1ihN2XOhebslwvsovwq7vhZ_28inVT3shcYXyyHhNkiTjLxKDp.G.NNYpwxYfIKhlgRHPQEkQ5EMhCczXGisdUqn_w8gYYF0CxytLsziPF3Emhz08TiRwQ7QTsbbLSLsLldhCUxgAzCt.rTkpcAm2U5eN7O7N1UVdXpGyW0pyh_eDCbGhsvUg74igvVcFYFaZlWCEBWFmqC2jbr3eGeJethFmoj1gdXEyi.qMD4obFOys7AOhZI.QnkHodA2kyFrRRsAMplSLhahEsIhw6HhFKlpSF9hK2QStmKtDXlEeys_66rqYxUKdGKn_2OPN79MG8ivqVp3dVO9NeCcTdB5eok6o5itHtQTISOIVMMp_CVIGyfOouWQ8iDgNu.d.2vTTbD2PicZ7vmtTKeH0ptFYN3uT7DMCg6F5wzbqKiRe8XuABlyTpqqbYUAWQfpPf2IsxXNQBRpbGrJSs6UMkKp4fyCGDs5SBERc1X1owHFXVwfGUk03NKOMchppO32p",mdrd: "gYm.IfdlMEbxqhI2Lyr22Qt_f8XKEW7JVdaFE_6uYFQ-1739285122-1.2.1.1-qkmLNnrXIWFt.tMDfkMQqeTeyYX8IeGOjwk229yTMjb9qSxQsQlOuTrwM7fuW7nUIjJ6Nh3rrj0sr1tegro.JcIDWm_hoA6scjMzuAyGl8E6VSBsfGv0EhX5_L5fmArOhTLYeCocJ8We0w9ViiLT_VvZ5gqSdGfysg8QV.a9tRwsWTfquvlljgpq4xGRYVU1UDkz7T_qNEEbgLbSbqCCuMZeFvcHp9Z_akpvBt5WvBVvAnU6zfJH1Jn9ebANuYUT3q1gnoCiSpQbJyEbWwZYhjEYOYaVxjJ9b.GqXr_5xpSDcXSfXpMMxF77ZZFhIx898Fo0.QrKQqGa9eR1OFv94rYG3Wwor5YprjlY7Z_3lOX6mRqqZXYosa16D1.3wucmaThEIcFWj4baJ7od3h_rB6GGDsE.bF_BB1lQL4aUpgpeg4q6b2LarFF3XvbkOSNJflljPmDrUvmc4h82fFR2up07QOk2hKrlzXGThbHs.wyw9Mi_P7YSxgvDham.LudrVGnG.hJ0aUvllAeEuTOtNjKKSX1ZgG2KzaJZJ7bgPbYKb68aSSCl1F.1EVtPovKnnNBapOwWSOi.X_v6uQuvxO.I0Wm5cYEiRjc6xIPiN9tF1U9hIhz4nebH7Pw2gdujyHCsrXqvmkQE0UHiecjQGbj2IfI9S8k7MtNIHRYqFTvjYU3Nxl.Gm5wZxMVo9ZgQPrgrIQt7a1YQ9xJFECj5bSIrsXjSoV2Em34cV2y646XRGDqmpHHiQqS_OXOGO99YLMfTQMou3_koBgTtViHiMz2aOBNEIyTzvixhRoLIrcI9QbilH8Jug0QXkRu8JcoODbj_DZrcf_dCEOAhvryrgv1XCO7sF6hEU72wmz.L2Z4fNAr2qrZImvRQxyxb81ev8CxgF3qS9FCinBKIrqvmL0YoiQlqBX0K1eY1XO.2ojh8_MtsJI.mJox3Mwm.wob_CqUZXcvQEpjWJZugpDyOQULiMzXnn0UQDUm51ChNyMkMiQatCDbPOmOqIpDQLUV4uULZQVKuwPI8yA4Wo2oZFRwrw0R.z2Nm6b.hwjGRiTHI..y47zlmdNp0zlSR58wU0ChamklfJpsGt3Z7xveuX1h1ZZh5iRMc3ekuQNA5gKEeFgTdTx9_QXTaNAUtt2ZFmtfHyWB3RCZtAThSuLqT7ei3uWMqJpgQBK6Bm_SKkJgD3Ql.W1nmSOPbyUcXWB5jQbLG9P6NHKnhLNL2RoS0VH85Gz5Gy4bfRCS2lw.xO.5Q_I541TNRv6qP9r1cl3_6GYTk8VTfXvuIqCeO5SMOlS4PIZuzegv83HQwPdIk2Fqdnf3lLLpmgMEZ9.FkRVa.PEGXOj8Sh9uJ87PGHLL5Xypop3B63Y38PWu03Y24u24b9zic1zHCiHL1nw7ZwwJ7ofzD1krz1cf2UcZltemDD2Dt.6LZMtV1k1g5DdLUAkGnBoROLAzYWNMJUCLJ.0rHlAGR80W7UdkBa5KbtCBv9eZE6Sbwj1CpwfDrzmGmweYgr.q64ercL762I1r7IiOl26tyXjx3.2Ux6mmnH8FZ6MSdTJUqk61HOA27Kqt8Lqly8TyS7lstLfx_19hvc9b2hcHg7XLxl1CVigebRfjtSw8Uun3woX._.l3LDAXKzAU8Myk3gqMMO3I6XrJWmbcXZOm6e6whazXfed670phere9y80DKXTvqVVfcPwfY.Kqszt2bKTJJTJszAZUmzHzvXRk.YhMxNu09xD5OcA8TiPxv6qPyMNzljw9qDQlfLApOAksfHa0jft2Gdl57W9fKaj2P8NY.2Gd_5Y3Epy8FuMsvRpP3RPp00uU7mDFyaKEVPMywGxSU6qbBib7tHDgV"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91051f4fbd25d678';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\/2781560934?__cf_chl_rt_tk=bh97uuiJanyWWQx0cMKpi1k8stTSSfFHyT3mXOrGUTk-1739285122-1.0.1.1-4iuIknuUAOS7RkTPLEOOHapF7TF3Ohnd_qoBZuvPJ.g" + 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