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-222909822654.mit-edu.top/post/8390412756

  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-222909822654.mit-edu.top",cType: 'managed',cRay: '90f5f464a9da0817',cH: 'BZlNZH7YLMv.5SuBXT1EHxd6uXG1NRX5epND5pzZy48-1739126078-1.2.1.1-G9resw07cR6T4z4.9DrzGrJNPWJJgixp8vtoNUKLAMQQEpTiMx9ekLJ8zKpymv_Q',cUPMDTk: "\/post\/8390412756?__cf_chl_tk=MaHieeCbmhuWCb.R9OHZaVfCJLLnMnZGLQ7iyaZ8A84-1739126078-1.0.1.1-vYdCVtWdcJra14YHyApMbuW.iUiK1KbEoZ0_6uKs4u8",cFPWv: 'g',cITimeS: '1739126078',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8390412756?__cf_chl_f_tk=MaHieeCbmhuWCb.R9OHZaVfCJLLnMnZGLQ7iyaZ8A84-1739126078-1.0.1.1-vYdCVtWdcJra14YHyApMbuW.iUiK1KbEoZ0_6uKs4u8",md: "6S7CjXo_0zV5uJXNIHwM8a_OqntbP9adZ5VydPBS4sE-1739126078-1.2.1.1-DCWZWIsXxBiQdb4Jh9Nh0tIPIAyPl3Gk7iBoFT6C33.BxRmNYR1Qps4aFU2U07Oo7_sW4xdhX42AJMpHCLckl963YeoHBVEor0_AMNOz2p.kDyQmVL7b1O_xdKYXIlKnp.A2BlNs1yQC_hMxSFDcxDAmRHffzo64ejxmiYfM4x4opiWi5kgZA_yDa90tdIOc5w6fIHXj4SeF8dcWO2FIVbYu.NORIG.L1Prd8A6tg3j6cFHrtK0tND88c45rjq3IN7GSMj4q0c9loS.vHSDavfk.NEa0BlBn_9LyezgFAfVt_lFq671ruQ9YND79uRb3NOse4bifS07C7fwCS0rvysK0hfyMmDQqM9eamAUpeWBkBUDiLccCgYt6_ik6xpA77Haannw7BhiBipz1o5VJ_BgPfxh9VZL7m_OLOXWknjtOo4SFXvmUJg6fNe.MYaYtOLeaYolyzdu9AIn9BfHCTKfj2BBNOriVLzhdSTm_iGxrAlcluGtLXe4N7ggBQg_q3fvzRc_bf1cZkxyK5a7He40G8JZg54Yneza9ogTP.XjYJCVwCbU9SIqdnccPi4matkiNqz5I7itdMP1i0cRR5uJFb3dSzdr8f7Y_QZ9zp7njk.FJ6PoYc8IgYMgPsFwPnwj4h0B_RUXs5z3X3GtVWHXeUnnzu6OXNi1Ebx_3.uxXX5oDjZhJA8k6B_V1fDQdBjkgl5vioJfMZ_Uke.GCR1GSDf3grG5LdryCPcH1Kgz8c0LIFWBNKVjagWRucFp4kJhmtiDoTx5XKEAjmlWNq6ZDJC7RIMnr896LmDrrh4dKZJepsA9sCspIa.O8G85YIFm1PGOAhlyw4OEk.QM4gfZ700j4mKZAyrIqLwVrNPwj9DBwA950BV9iS0PhP2sfgX6o4D1BcjHhz2Km.zPj3ILUmqUzFa93FOovXsmG0EMguFVNQP.ghGsKcrZhUhy0fShun9zw67rVJJlYssGnADKZdCAfql.GlNHksf4NY3MHNxpb.vMsTpTdU.p2htYomjdNVzZXNUgXI1hREJU_N5dErWA7AuukPsMvbgW8mG3RwvhofK6uGnmT.qspG6VrfAzlgKG00_gAW9Mz.nrKW8e2WwbkcuclrErn7s35dAKTYxCTuiAbEcknIauJcgP3akE6luz3FnKDk8g9xmhnTKvsPAudvJay6.tch2yKps0zKyvFrl56oUJXLV_TNUlQH4T8xLnb9ODmWQBkxWGkXbx1EqGZYa59bq.U5OyU8O_LDltc9H9pprRlKM3Kmd4i.zsddzLTOMYSacdC3kpZQx5jDxjlKQkAi8F5UyomCZBM9g6RcE5BBPA9d9ol6wkFuYS8U2d1GKPBa4WKtIyLCVacdK16dP6CepI0lXwh.YmBwR7owSp9GAochqjby1yJNzduceV31RgK6Jv3hvI7Y3pXrJWxUBfUJ2YHU.eqw3f8KW1t.c6G3521fk8wDqkRdE5yHF.dChVweJOAqzVT03NWGFIMowWMh9XUAE1DCoYUQRnJs4y2ImOkBQMwehqTpnDFN0roWq1Rl3hA4mY5B588fPyomb.49_UV7KCJp1WjfU2koMJekObZiETjKRgQVey1xPZboZBlZ37Qkdhb9QwX4l4EEJ8.PfZwNEJr0shz9mUJb3zihK9XFZ9WhlUzZnguHen8Zmm23S.JGptu6S.stkB3_YMXrdQnS1GZVL77fHwN0WXLmkyV5Zmnz4lRLiIb_L_KKoNbxq2NkGbmFENLR6OTk.KkvaVA2VHvfTeSvvUBSTF1zERt2Wl._wrUTKWR4v7v3e2NsBqncrVmaTnYgDEVYi4FRjc05Rp_Phwuy7zD.a6ZUz.HajHVFjtuwXaOqvEi1EOvj34t3xA_Q0DQa_0MaNj9m5n8O0FN4QgqxQu3ZJslqPBm0xp50qXYiPpnmKsBSF7k49OGRjm6RXDyWVvxvq.aTBMOuXpfuVUsczvUX58e2SYR_uYBzFJ4StZRSvJL9jk3QhV1cBcYQPhJCUBnhQ20a8OCCBDCxCXbMegKDbHNTKYKKmnUAowEyFhNSCBC1G5b4uBSwsiYWTLhBYvShcbob9ug90oCNMxRgCiMGNqf9X9yaA9n0dXDq_Ak6VlLpIx_wPvxBas5CiVoMAShvLGu49n.LRZIm10YoAPfi5k_hTYG5.PuIUVlReyCh7ne.SZJVH2QW3xdAa_wEsboeDZXqv4vE8hJAUThAvn.Pa6nMxFD4UsbmSvH",mdrd: "mbExyDMG_JrcnGUd6i5EGqEFKcZGA4juN.iU.U3NHy0-1739126078-1.2.1.1-phdNlQpWc.WS4wAzjQKM3Io0VE3ACwlrLbpH3iSYgdedyjnyJsypcq1wbvYlFaATSuiO7XfzomDAjeVzXZa4rXHbHRA2BvGDkcdYP7OopYlrcTnJHyjqTFUZOLw.O3wHI3XF4HPnZS5Qi_l8P2r92Ha_0moG1BrFv_Ue72yvns9JE8Q9dxNpNq93EVeGCTwLaQoQ0ul6pr_w143AQ45V5BVwm35HvtY3cyaU_Q_1TUJoiPsx5SiGLkpKT5yWRftWF5QNYX0xl2yvE1gQ0pvKQasygtjxqtlylEniRO9TFsM9fJqV_9ihZNHlAzlENz9eol6wPUDnrRFAAGQmlzRGaW35KQwPxKaFlIzZoQ7kMcUpbClGoQ_0mb58oww3PXVOt3rIP0mlJjXP6EXnEmlPXDSTjt_f3OLHU4GCDj7zh9CJYjhh3mmVKQ.sNuIgYen3OTadvs7btYpqw5AzFda1nPvBvL8MN3UPu1MahkWWSZL49Kz2wqCnrduhcc9e1nC3cIJ50NW4WssInWE0CKSdWuHlDJI4VLx7EcXb9pMalarn9.NLAvPk7ZfKQapWoVOZgbWXWp34PzaZ._ZBPM3YSpUc1uJXkKczDTgQTAi5R9aRgoiPr115sDGKRQjaS4sqZbWDBV9OWiTEqDREZvOhRpc8HCNHAAR7wLrukIdnU2P8AydAQO1KPdXh7l59mk.UyWg4N6fzMg.5c2MuvzGWFMeCNOM2YMi_Efm7V2p0ZryaFl10UAoMCQ33D5yUxgAxFwXcjyspexVvh.KR1A84dOg2DbV5X0a.ZXlLt4JCxeSELl30eLLe1DyuL2T7ZvYfSl8zStVtl4Oicir_7ElkDaMoNi6NHbSBSsarDSEVNhLsKIqf2.C7nvHhF_h2IC_BVAvyL7Y9MDOf7XXY6DAWm24ksxXZdqzCt0SFijCIoA3lHunNErJ1R203RGC_lWI9krmsCCp7wWOnZEP0jUn0zo3desJoyMQVnMQAyu_Alv9ayiNPITv.6gujEswygz_ln_t3rZDZqHAejXB.VBHiInkCEiLdSRvs73tOubfpI6mpN2FKLsA7QtVZpzjypHMxWcj_UsxgYnwh06s9wP8ejLZA0upXwRR3MnJ.583pD2DhmrlYaN9MDnvd5NtRDrdMhjWD54MfHqqpJj8kyu_dV4Hi9WOSA_qnQD_xXwElKzY3Xb_3Kus6B7WLgS5.wLTSe_hyhWr6wjmUcaeuC3MGlJuD00c.BUJ3e5PAInPtCxsMS.tWVIkm7X.go8OkYJ.7rH6pUyFZvkvR4wDecLY0vNp756oesMC4ocw94fzY1Duhql5W8TJZk1LUp7CIHTXUbmF2S5e3HygagWqh9j1nIODEu78HQ5ah52iUNJEGVR3pIypnkYvfohK6lJeYHxJACI4fKBLYGCO3Pr.ZtxyjBkraz2zcwE9LmbZriqLU336PdVopn7pskq2I4VGAuKEuZa0uc5gR9YPixxknUlL5vJpOdozBRp6F.hn4npXQpvFaMIMAgVtI7AfxcTiXS3TtNSMuvqtPzoJTe46WIao2njRugxL0Wbo.a_Y.A0dgKAsEFynbN1y5BUxp5HpCTHEjSLOtwbXTxEr.rV5g1VtiM2ZG61RsfzXJ7dTfPaQfo54gazS.jsj8Wl_dxtxwaNJfMeB_.xTlUKXZxkr5qc2k6CcWoAkmg5ps.RN7cTXBGyD9Mr7YTioU0UtCV262o_uETBvylm1zdJAfJ6s44cSPDEk0ja5lAQhsHbK_H3_fa3m6XFBWoU_.DXNKX4l_7dydCLpSRhiCEwEWyM0g94mTdw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f5f464a9da0817';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\/8390412756?__cf_chl_rt_tk=MaHieeCbmhuWCb.R9OHZaVfCJLLnMnZGLQ7iyaZ8A84-1739126078-1.0.1.1-vYdCVtWdcJra14YHyApMbuW.iUiK1KbEoZ0_6uKs4u8" + 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