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-065920266825.mit-edu.top/post/1294837506

  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-065920266825.mit-edu.top",cType: 'managed',cRay: '90f6ad2a5d0bc99b',cH: 'lrNHoU3zXAg2W7GTYg.PyGhrEpTjrq9v104odCY2YE8-1739133646-1.2.1.1-QjLjpiSKNUX7Qz7DhrMnjc_nIwM2pw0F8lfJLbIzfnO3HFoDlGZNiLRWFdtWVLLI',cUPMDTk: "\/post\/1294837506?__cf_chl_tk=2cyPFp14nVL1ufrvkcx.e_wkUK8p8V9Cjf1HPs4_XIc-1739133646-1.0.1.1-dnYP7IpUNJ3Syb85fj_jp0h8AUtQB.lcMZdDLzpNxIY",cFPWv: 'g',cITimeS: '1739133646',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1294837506?__cf_chl_f_tk=2cyPFp14nVL1ufrvkcx.e_wkUK8p8V9Cjf1HPs4_XIc-1739133646-1.0.1.1-dnYP7IpUNJ3Syb85fj_jp0h8AUtQB.lcMZdDLzpNxIY",md: "qzvO5ZoqKZcHA46GeBzB9avQ3Qn61.eq7fSns5afqp0-1739133646-1.2.1.1-FCksZRB98VeHQE8zFWEKaUDusY0Ls4CshxG8ADaNpDqUbD9hEp6GZ1LX42RJHp5KMaKR0JJeyeaD5zuq26T8Oji8g1UsJHqEMaLOSIKnQ62GehU.7vt15kI.Hz8AK4Nuu4j4isJHuluD420N8u1qgRrqb_xM8Zlg3wvUM7dfu75_cIm9l1Xj_zc1oTsIAzyNmHgBG4i_mhSrSYoxVdq4.IDlRM9hD51vSF4CghI80bg61Ft45tWC6KiaEek4kUjIiZXHTKy2FwUgOe3V8ux1qE_pcld7OzsOtuRqUTUr2hCM3ZtCzFcVQqgKVWIh2uI3Cb3pnn26RSaV_Sp7UvMPTJeveuBXdkjUI5ztdsG7LggmeaIbKC142MGoVYc5q3NCBalT9bbSgWk_LYXb20ri2d3Ei8E2CiYY8cjhurk9A0DQmsTBmRVzvS.MirEJY8A_vPXGx5RcWF1Ltd29q8jfw5TT5VdIkB2QQ7Z._bpBLTXr8VDM14oAtUERxzmqIN4hajjXcHSs0Aklzd_KBeDCZLW_iBhIFzvAgHOufKDYfI7wKNyPCFMYL3lk02zPbevQtchQBbheLndWaEiS8MXuxZa_KxlGdEPsBRMbF14wBaHy3Q7w1DNzvGieqNy_zOgOHUe94AFNId1s3fgzOwVWvBD8ZB36fFblJL.rUUJYP850WhmiIihYWABnB0JPTG.TTOGFVhbecot5mdrY0y.uvA4Ar8VhwkmCXo.ET0qCgmSEMS3V2Gb.vcRosJSniNuGTV9tUAehH3pzMtbcemrTL9oNbG0q0dujmwrM61qIEN_Mmo7dnf3mQcEAw2VtFn_qJCK5iZOvcuLe67TDNR6xH89hT1GOhsr.hxuW4GXOJXFILrYGnCA2GYgz4iNdU__3xYadKW7s_WO8y8WNGRZP062.yPRm8Al44xrDV8hBIg97PRFuN3NkbN1R2PaxKPdwC5gs9jTS6AkdTAFSBklIs1TCNJN3aMpzaApOqxIn69btqqxxAgpEYMIviuxbrBn_HsMSHNsULjjNDY.h_yH06MJ3lVuBOkIhm2WMawjoLrWh4ht37UjgkwqUEYqFzhftMSNxX9JjjNeqobECKlONxBZsyvl9hO_.GhdiSUQ2Wczc6GEpu9DIfbOGsvP7moWYTrO5Fl_Pmc8evpDwo8VEdi_VE6INgzvAIGf1iw3ppjAN_3IFeX.uXqlpmiOKV2YkpnHCjP14nJD68a50P1A.s2tdwn32X1ANg2c9ZnQvUf2xqHAK0UdX74Chqebz1EpQSbkKaSdKafEfu8CIpBMNJsOXVHx0lYXjLAmkI6AaPfkhzYAfjjuayucxZ0WWKIqwBtRAfqfmZqyREq3Dsj2CwvUZyee_wDl5VziEuZiu0JdkoAd8ABDws2QHwPBBHuMLhzRI2M7O5Sh.HVTNVFL0yS33IZfUab2ZwkFK8y5sMIZ5l7kiZAKtiZlR4BM51kgb5MehnL6AwkSHLHNOQEW2arSmIAPLuVP.OVMwCwIb9mqG190Qq.80Df0ifKpWpsonsqdME7uMHwxp9Fy8_C8UTXx1cUqRF6vmm0EB61MvOcl8rEhwOvRtS_JYpZXd2v68SaD4MIVVGs0HPKXXjHC9hD0uztNi3p_faclndTR4.s70Ihvwvm9Vpv0to8TciLjh80nFkmBqtmd7xmkLZsvPFIKVUa5RwAZrIK38P0nXvvPFENgmJTTvHl2nsvaIiVAPGVAUB9KNlxEqE.apTzkLYilKidYZ0dbfjoaFGAxYxvOS_gLi5gcEngu11Brb_NeGma5yjggqNjvRa_hiCrx3wqpltW7wpssAZL_zCwHX3bCjEYcqDyytcqS_ku32mVRhUnPbRu9Wo.0nlksHTZoUN1L0Nreh4rZSqOdZSDtXq.C8deeUTphL5ANaVW2QrK8Icu4gHH3bUJk.JnJngpW30Eq9lfQknFj95NDCzoFaSk8JRBM.3LSWn.s3rr8Ef04jVkldQFnSt5ZoMcvx4OEf8ZjSo3Tkjz6DtgKBEgzTPNbVpVT4yNsmX2I8i37_dUfWCIWd1uPDC5hDXcZnRI7tgv0RE5CL3ZRLv4Nty53GjwVHokk8ZAZzUY9MS2wQdyH3PhkveTQF.0RDjP8W3AeveAgBM_Yv6Y8brHK4np7k3gze8Y1jBKQFlWH2ovwx3oqzooaXW7jwOeVmtJcqc12mhxNOTRJHQ7kNtvwm8ET7LL0QYv5NoIK28p.YoL5QSJZ1",mdrd: "PFu2h0qPcLdHyc7bQPSMBMFtkI8aGcXbWMoGAd7pIt8-1739133646-1.2.1.1-lmhKcjUnL5fuq9MoesJl0flVhi9NH6vGaeQ7UgtpUH5PvBlqDfYs2_IW9DaIrtN0hwpn3j8IPgtV6zeV8D3frt5WmyVVHmDrAvYg1wFVGDkgUtbpCNOECk1HvnrWYAcEQMpsEH5Ed0It3d5bnFiGTQNWDpJzt7tCs3lsDNjBki5bBGftJ_9QKSU3QgLL_zAXdEaqab6481bZmZSZmTRRGeTkmx_li.Yz5RJ7dav1Ie5qkpiUA04WnCreasEl25ipYnlIwTE4DbmSsw9h1CpQuEQEk2PEMCWYCoRfNttTsu6Pfec4TZucpRgOptfZpqcnOB85WfX8uxMrOyvq8XTq1g55hgyJ9qQgV6Y4IWTy0KmVH4mfMW5xOi_utboQKMKk_w4QjSNfXZisyo_Ai4QxpDlrEExBT11wMaP5cAjBOUnhO7u3v.bKffQXmEKPxbYmQ9dwHyC.6lh1rZ659oGMWt.lXFBwUQJk2OMz2JwMjdhW4qAOghYYIxWbSu0L5PSPxWSkUKyWnyEk4Bd6KqjhWgivyF5bbf_w42b1uzj5xzRVek8zGTyPnzf4BNaYmz7CmhSYhitgw1yrRm7xT_It7f4cR5u4ECWaNc_4nYTiI0gvM8lGU5SNjDVnMqbGlmWEKyoRLXKL5EzvuPswyg7iV41AFUDDbSjJgqZAlF4y_1Jq8EmL4AoQNvyuJ1N4K27_ZryBV3F3T4DLBKO4J9opc1X.XbhZb614zxJOjTQigXFANOX5pAN2dcT7jIlb6Q6Xm3EVVabVjoziM1mc6qIHbW.YzVzKOTpKnuvn4u4sqFRvKD6lMI0SGruA.C8b91y7AqQ4b1Q._xCYxoarKrpLqnSCRs1qYuRgeSx4jDhYkCrWUmQGNrWMvj7nnqRi.6tsvUhQkzV9l0mkQMXRh9nympc7Y895JYwglT3Tx_wvOGwwFkOphD3oZsKFDw3XlP_nU3nsbx1hCAFqNsmnSTVBtJBFRN8CoRtv9qI_aB8wYApg7ZwI0HhCm6GGGVWXKtKQ4og0EpWm9JAOhU9Q4fFSAEyr9OleSGzgcMCdTcc2BZCHSReOV_wAlG4fb3WO2eMgwOtKtAGBehztqVY24Zi6d8JDwCg.EDrjflf9Upw6XBxSbOEg.5HQGr.gWihVbIi2F4IiNa7XSgwx5FcOVusuC3DlwTr7SwQNHaJFIwNFCzvaXV9JsxLIp2BEUSSNMwy8BC.ds8nkIaDymzsg7wlHPGP_ziHC1ngc6ywPpNwIeQe8u1c4xxicQL5zgrVjkn5ISVlGor4KfyoWZLZU2c.G6fJpFmkdTa71e3rVXxwJDjP02BINMHLrk5qBL4kal3dVVHWozFyYk6zEA4DaENlFZAzgGQJGhllQmUipn2_BVoidMvHdBkyVpXfyvCQaA3MQI7xj6uCNEnUOoJFeLar7edBtq31wffuSS8roKI7BDKFYyaw5f4qmGWBOiqySP_hy7Lgo_psMyFmpT4t3sZud0xbOAMEIunR2.dXfeuaBJmZ5WJBwQY.Xa9cg0xWT.LYGfpdWFIJN2z1Jf905qbW16XWRbgqHIIfmno6QeIfKeneC0CDDBftebU2hqVw1Accd2qROeFK7c8a9UEb2HnBUrYurEkW68k06kU0myHaxdZrsMjtCgNV_nFRdY2EUwcFhKu34XrFBy0m4EuULsLCkms5CFmGR9c6xfqHOAF44Jfat1X.echJJGErk1mqh0iFNGTJwAVMVQ4.HjroWhOdFyVx6YyjhRTbdC9QwfSkoserh9lKBlkv.6rL1TlITbRaBQBNPTj7yY49imqOACzIMjSS3pCzedeOQvVn6BxPuGyY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6ad2a5d0bc99b';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\/1294837506?__cf_chl_rt_tk=2cyPFp14nVL1ufrvkcx.e_wkUK8p8V9Cjf1HPs4_XIc-1739133646-1.0.1.1-dnYP7IpUNJ3Syb85fj_jp0h8AUtQB.lcMZdDLzpNxIY" + 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