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-107902325443.mit-edu.top/post/2190537648

  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-107902325443.mit-edu.top",cType: 'managed',cRay: '90f63b420afa07f1',cH: 'Nd3iixjG.m0BFgGaAeBtQnnMQ0zOOympV6ScBv_kMIg-1739128980-1.2.1.1-2KsAtTNc5HrpzyhhJjRaeaRf8DAPotQ7Okw4ARp5rQb9istbPRMLleMBIvJAz.ON',cUPMDTk: "\/post\/2190537648?__cf_chl_tk=2JHcGSwsPBPjO63gHOnYmC6BZnvs2J5ASiyAHRr.FDU-1739128980-1.0.1.1-gmxqzT8WhC1oQ8cvK19OlxSTJ_lSCwmeEFYjdRzcP0Y",cFPWv: 'g',cITimeS: '1739128980',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2190537648?__cf_chl_f_tk=2JHcGSwsPBPjO63gHOnYmC6BZnvs2J5ASiyAHRr.FDU-1739128980-1.0.1.1-gmxqzT8WhC1oQ8cvK19OlxSTJ_lSCwmeEFYjdRzcP0Y",md: "TGzW_0xfB2lLbbMA3vNPX0TnFb0R2cyvvSX2RS6VmDI-1739128980-1.2.1.1-UnCjmRSTDESd94U7ZDowmXmq73QFKVnmSb5hu9CsWb9KMTA0pDyieXJ45nBoubWgHQ.OpF7L.M13jAfgdxUzygn36nBzAMaXJONqg80MdUewajPktzNB0oUakMnoCxKwlak1X11CgV8UmzF5FGyWxfKNkOA8gGYcaOobz2pTke1RkrE9cU.biZjEiCHc2JUhVm.n0zrLPhzxVjyBNL7YMNdWA8yMYpv2ucpWULLpmcvp4UvLK4iN6j9czJFTyfPLht.qk5X40KabNQWNGshlotuyuXAVLaHlQztUeqPR4FjO9dehM3wzHhWSQ2irVsWqIFt_K4NMOdyYqbhYhHXIxbpAeKNOGGQ_YEEjJN4le60tYEhBtQTkvjLXpRYzHe3KLjJJxuvFYqS9umGO7CM_2iUD8w5MwfVXxEurICtrkRTiE9dTM90EyrSVdr7AIsXjUdjyOXv5J4z2f56FxPsGZM6DhLoEVMjZistaOVYrY2STDx0jww9MY4qZV5VjSj454jurQ8us2.poK8Z0L.MrVa3hUBkyXfRgqX1kqSkUFNTRlVfrlnj_OJzxIBDiA5fmLI0waVqclK_pS1twHx9CX0EwL8GB_YCe1uWOic0dD3tDfUv04.IGhBAoQI1T6WOX_TpCJkOIBOS_XF_E9TBW0g8IkwJvRPFheMraCjyfoQNu40DS80Frk8qYUVJCX8cO8faJoXCS18fYdUIXnJo8jJIFT4AscqA3XoD789B31P92O_BiWbP5gww415de.IY.CHGQTtUtZdOb.wnSqYmXL2Uyo7nx.BS83Gav.9WQa9HzNT8d60PxbMJ8PFAOHm2R1WyogQYOaP.vTBcQ_LeKgoSL20elro1TQCXyk8ujNfx2uzkWFGSMstHyJb3QRFBwBWnAKTOg6AgZm2tl4IqgfIGn80uBf25lDJ7oT.519z5oOkK8cuhplfq2cvR7BQnFDdmh582lJjeeyQgFXFa5vzpAlYGXe1GvawS3ZAuxiFP1QtGhQT.DuUNHMFMdMQEXU8iEV4urecm11i0vkwv23Fpxb_UrQcmxC2rfoP7WSnotU9i4eQfuEbsHq6GMs5m7MvzfMnChZrthC3bVoYAPeujMhFzYd2xyweh_OAlwMvoNxhGG9zZgWoo7s2ZpPBj6RT7jpWFkcrUWPZUAvVJTGNW9EUSjjCxOZbyMkWyyNv1dhlcEy1KAJ_KQqHUb4UUbTsWql5TuMtXxZBwall4QPC7w0CRUZFwZ6cVAi7PX5Inm0ndYqYPUqjKtpkH98B_yyfECsrKErBeAVfKDRNuSMGk9xUrox_fYnJy4q57UmMsw9UJqInN2O3HWy0xfgc96MMR6In56TpZiZnzrC6.WM47vThA33EyISeoEnNZWBLTYdlka.b3jRkjVvZQF90PKLEoUbPPnMpRE.mrYCLp_h9ZyZkFHMZskfI6a7uN.IVB_P5HrwquL4HvX1X9gnjKCl9ogcehSQMaS_qJEINpWJCtAlUiLCdlKV_TePQlxK8We5IkMfk7QF2mpWJXpZ1.uIavJhBGziUfs4sESW8cfocfV_TdQtOK8GL5kToD2b5zPvivBa08akocnIcT07rbZrcEHI0ID8vfaRxRpN7C6WWgf5HIu2gsUregrkxfZL2RxLVryNsz5Z2QLjoCjoF6ezYGXr9PKB3T5e4N7u6nUcSzTeqfsPrjufOVJm48NolA2HOS3Ih9Pprq9Bz4QZ1zoZgzYxMGO9T4IAh4aX6SI7PNPNwbKGB0HNujHjhkHVN0LPsOFU.by9aJbJHePV4rIs.VXZYG0jHBGYgUfO_EAS.EYDdhJWdSva6zNX1US8tRVian9wwloFLScwXMCsbihRny.UIx1K.2jKBWt_d0JVd88CzuWPpoRytfJ.Gp9icda0sMRYJBaH69X3Uq38shoNN33tYlNMRlD4wtEtc4kwAS1ZZnh78LW6zqR._W1hEHo.x4KhBQlo_RE5q517kRu3lvqPJ_nvRCJBLiUxQ_s5w0drKd1912DKBteakmjyOU6vpq9hGG7py76PiLUrYXLIw_ux7e_ktgroL1B3Fqp5k1kYXZAWH4ui.0fPZVj_xD5pWWxrcz2ekesoD8hnTSmEauUdTsrtRuLeWFnOluFaEB9bb9C1NjnUI_8LRO9k2MD1TZqZkRIb.E9i9rNjrE_t31LKnLwAVvEShN1XogZy1bAlSMEteWWjXVuLj8QCtmiR.T_MGdBRMixS018q_jv",mdrd: "PEL81axzM7rMXgiFl5SHy1Ql_EqrMm5s2Rfmk92b4s8-1739128980-1.2.1.1-mY1FV9OQzB7.iq2m6CNuuglsUsKDn8FuG2NCOpotkxePrFe_T6qWLzgnTpMmKmaEG66w.rAnBf.voK1sluUv2q8aGpydXYffhmMMcxo4sIecovhpQhwgB8ZgGExetAdCVU3RkmvB9tmNVbWu4QY4gQgA6kAqSVS7qere_06dHbpK0q6KmzNU9czUs17FbqiQ9ZVkBuS.UygqVzWLdYwIWuPpkGoFYBo1Zc0kA91DFFL61IwyQjYnF.2YN_NngiMxtHjvt1BPx9UyTz.oUPZ0I9CX0WhvWYRW1NVcSY1rwLbjQii.EbsH3W3B_MKC4oHqS.IymHIe6B.w4ot.mMnaw2Vgj6z8Rrtv8T2mquwBrhYVDfokQrHWYk.O9M6yAHI2UTEXqdft9IZ0SoGUgdnPI1bWDSeitiE4dd9SeUyHsAkRUwblUHqycIRDHzMhIceIkRDBSD2fy8fttkR0qLw3MUq8ORAAzQOsUtEGYhlnP6_nOvDk9YlbqoLalI332MGNzqE6y4Hm1PaV0cCafxKIeEM_dVyrNyCFFs2Eu03WI8exR26ITiBf.PfTvHSsPSrLMPpoiYEgBB5EJoxC6N9.nG0WKoiZyWdkxmHOBe3Mml5KVM.SYiuUUmbU8cUYYs2yXKEmTKwK__BOLyYrfsDuYHkjrwxTro4wvJSb5Hm57bbPhKVugYOTh5UWPi0WC.oemar6Sz9E5GyYb7H99JFsDBsOpcQzDC_WxaKEQyPopaVJdFp9ZKBmueER_ZqnTs9BcxYNGyslvheT4OX9.o9HI_Gdz3dsQCcsNJj.yAokwNZH_wzz7G_OIA1qMjQ89UFzO57OIHNsTLsrFAmdMUzcgvIVx_kihBCaTOYyk7V_IiOvAlidIsQXWjFyH3iDz0WoMrpk98WJyF_wyqUNtZTGviRv_1aMamvCQO35aDhDsndxludZ09y9E2kdJH3YcOJQWqeyCDApSv4iSarZ4UMuFX0tRP3YqpOv5jCAGviEiOQ.jrsDoQE6Gyn3ziirmt6If4.xRBIXd94yQJQ5Ha5BuBbDghQ8qjv8yB1lFiySwXZQ8hgyRKyZT6UPULXZ81bKCoXBNO58M.vBa20PcCLSQoAQGzliSAD6PL9ZDL5Vnu517KNjT.ePujXezHNKJ9vHdB5Krws2UJ340amXYoEgANkcNayUEXN4koV38WxQ1LyA2EoPd_S6zmCJYBaQcyvvFEsp_MhyeWpq7VyYzkWJbQAeVafens25bg76W88g5LWSjByrGpKfSh8NDjKLhDdOtcA1sHdh9j9_Cgf1qfgqVCs5cEhcZ3yP4Sd_vw2nOw0AfkFYwVQl5qYqUawPJZFoN8XrOqusV2bYb9x.AvbLGwNOvGao.Llysvp5vKQlmXh0q895jjSGPPslXeYciD3a.8VC232pWsemNJspxLruC_rafE29tmsiEr9BL7a1XXv2OgGYrFFLxU5Iyqt4A2Q6ZUlq.YF_Sqk5RpVbs8krFjWZD.upGvOy.7eFMHXFBN_T.pgLANrMrNYm7pxVqHOg_a6JjFB1aItVrTqY_SeiUX3UWr_xSmlW0ULWkpRG0uAFP0yrdUNGc2FpYFpqkcSHh_NQjGWt7Yddy19vXtSZk5iVREHhAjYdK7UMUvWVssYUJ9NINgRqBaqsgd5E5Rgip4MHuNOJt8JXWK5EdDUzNjnHiBAOsw7v.8s6EM6StakDqoYvm1hqP2cAjlpWpRT3IwJK5o1reF7m6InZnvRO5CHtXLrlGHlScujhdnl5IsbvHCmsYIue1tCNQJLd3pCpMUqpvs2mMRehtKplRQtsCUfia4qCjdZpjSrJCohRCJ0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f63b420afa07f1';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\/2190537648?__cf_chl_rt_tk=2JHcGSwsPBPjO63gHOnYmC6BZnvs2J5ASiyAHRr.FDU-1739128980-1.0.1.1-gmxqzT8WhC1oQ8cvK19OlxSTJ_lSCwmeEFYjdRzcP0Y" + 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