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-7315209468.mit-edu.top/post/7315209468

  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-7315209468.mit-edu.top",cType: 'managed',cRay: '910db2dd7fbc3b59',cH: 'FDu1JY9aIQpAcay43_oiZls_YNGVO8_clK0W3ZcScOI-1739375052-1.2.1.1-aaxCmguSqzg8QI8gw16X6kDBK2bHnX7kYnBi9617xXOsARKlr0EJ1CmaFdxa7wYm',cUPMDTk: "\/post\/7315209468?__cf_chl_tk=TlmZyz8_ODDF6PTQ1rQhRxi3imv3mEj8P0WZQ1bBT08-1739375052-1.0.1.1-NSoRBIIR93Vs.JEUMfH_X5Pvg1yAIF1jCtPL_Gg_8yA",cFPWv: 'b',cITimeS: '1739375052',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7315209468?__cf_chl_f_tk=TlmZyz8_ODDF6PTQ1rQhRxi3imv3mEj8P0WZQ1bBT08-1739375052-1.0.1.1-NSoRBIIR93Vs.JEUMfH_X5Pvg1yAIF1jCtPL_Gg_8yA",md: "O_lMvG6hstdBQU.Fste_XD5phipyu9ZJ9ny7QC6dfnY-1739375052-1.2.1.1-vFtZQNzuayPL48jGO.TYADQSKII3BhdZDFs9DSxgFh0CIabKCHHKTmq9Qb5i7elJL61Ccn16mgUjEmt.5TIBzQBQfTg73t_CpxRq85VRg6CCFQu0zKftZkp18aA3fqTUCEOCbsQunpHYCs_3R8Xr1tqmICu2iibwvrflT_.dZupPUl50NyuHGNPKQ2uv6qrzmE_qLZE4SwC1vDRI6TQ30yZ8JesLc2lKXymlh60YrwKm8.xJiLiUKx5OlHdKIdpM5.RqgM1yRr4VzSrMwYn0pCYi76PQdig.vSMKK0BpuUFlz3rXDZW91pLX_5s46kT8YVecy1v8yg.70qGp.V5tq4brVdc_0U3N1boZXp2mlgXg0Ejwv.PE7L5_djWhG7hlznq5UC_YwWEdOjc8tMdX7aZR2gGTAGlvgB4Tlsp24LrtTrAerESgEnUPQFHA8U23CiMQcRcctlx0xGe3HuIo6_Vz1OtQHA9qEluqPnmRftPvGUyJD7fmICbhZKuWFz.FUR_otg_ONmDbc0FiONz4scHGtcJ9PP6mSkWAXQ.UQb6hEmIGi3CeQsTVA1W9KPGKBaQULZkQ2nrR82R4dlRiW5f7aTlJxU9qPm7osDR4vJmswxRkt_KUBpZ8tj12ORJ17MY2w1yws8icjjqmUWVRWdGRzO4105a28Xx6nK4xLJtXAv0mWAbjGhTzuWbjt7NclsnVr9kHclQP2z8UIma8h5pq8omFaOV4Rdd.7WvIY.5ZVTOHrGsWK2vi4AmS6YPespT8YP2vq3SgbiOjVLFPomwe.gM6wVQO.idO.rYrnMXDpUsjD6KM9CAaclLT07XQaQLcYHkZ3sLQMD8rKwPQs3tu_OcXZjurkq649uopTLkhCimASSZQFTk667QJs4kLgHrT1SfkWnRRuxB2_vgMFq2W3cicgtMHgjR8vrwFvVRTGSzT4AnAGpWoKx2JN_i2ZJ_BmthRQh3UtTyQZzwOWm_12VOCBkBUgZWTTCDF3ErXNeKqRUy1MZmMdBeu55pmpTDPxJns6BZtJREp8IpvEnS1ZNPbLOqjk.i1WAawFgSwQ1QMhKz0KC2KkXriaYMKmYebfajyz.iF8e1Vogjhdvhf_eWzqVkiABhuobPuIzesnJfn43sxFNyWlfXRnxIUn5_rFdZsx75rbIt0j0zmFVjB7GOhUcDPWqCjm4zGs7DQBaaKfAigJ.U2XWNk1lEJnlaYDThRBHcClplw.y..iUdf6wFpRX3R1cdNwVOL9Wj2tT3DPdNhUCe68w6ljY3GGDemA7miNU11wx2vbtUpk4ctb6ej50eadFp1HAEmH6vZvMkY2bRejFyFNnC1Y_UBW7_xonh6.1AulUzchyEbceXyk.Nn55zZQlHwq3uM.f8I6f.r7kOut9KvEOK2fgyHjMMabmc5c2wDiFbSqYcJ0bvaR3y2eHBPBF4xnnUACyi8ip7O3qh2y0sNnUyEdFlKw.yuH0gK1PpC2b.9AWC5nWqY1JHFkxojH2yn4d_Dmfy23hoPxvmwQCnwebHQ8vC4EaAfYJXAXsJSRPX9eEVGRx.YLmeaHuulbbU2rE9V4JqsLbjkRS0z5GK3aKmZkvG5.e6utk.NdxAeS5phkahueRT06WUMAGwJYQ2p9iDSlNtp6qLupgF4MLRFupOzKb.eTUy5i6e9dBzAS6_u_o3WcEFuxJKASLnmCFf6xUm6I08g_hNwoWjfTaiwJLDd0lyYYYW_GA9FqUic1uL7Kh0lubstLaEoRPEvvbigZlXQdHxRyDr9MElje8APAip8OqtqgH5GTx1uu4SqHdpPNTD_jKB1.FPyWw6tGrEX.sHtpOQoEo3ENYNsy8kcI8W.l97lKReSWQuTVoTOE5S.8plPunrdBR2AWt1EckzWrvTq05LOw7vYziH70ctKkNMhl9h3rWcH4uGLMat6Rdl21UJxYUOa8HoinEy4IYpK7jdhoDZXqRxudapGeR4V1PwHvTq6uek4DZ867RVJ_7rW.cdFPvZ_B50Twtnrpu4atGY0_6j9aCYYp3Z4g2F1fL0lg.yRHrCRDNw.6OSOqrzrvFqLf7.9zOLKgJF.jZF2VT3TJDSv_dkkqOWhf3HsJzvcnYiWe66gsnMFUX6eSHUT16mTIIZYpZrsKLEKqZSTAwgDIXEeOiWrjWn3zbDsZFCbJV8lPeCOq._esGwfq8j5kNl4FjNYozqAO8LsWlUVD_vq4XjPUdCThEKmka3s5PGoW7yr",mdrd: "HmVC.om5OjZzPTsZEYenHPStS6tYrvGwhx1X7nOLO54-1739375052-1.2.1.1-fAbir9057by.HNDxjP0YDYf8w1DTBNd.e4zcSle9ik5AK6edpqhVuVVO8eUAjcxh3pE08AT3VHNXGHR2R3odSkhiS.oqFfxncxuETQ7BTn49qKCQk0.hyrRwkaURsaBLv7mgAa459FrWBkBWetbQvuIVOM5cG0_SNopXGrYlK_JJb9KwLv._7lMur5gSHyYVDGNhlGpfszSKTA.zYPCt.Jxt4H6LZ7X4drEIP_HdT1V7V8hurA0.R1giC94_VBgny6bM9bFLNkY9Mj3qPcDfzI.iWRceQtPOXdFhILo7J0O_MOWrGIqmZ_yj78kgzfHjLnYsT2iyfjcK0Nf5Kjc1EBjppdxvu9p5e_zMd0gJqaVXkcBb7436aIfBLBgAALQAcDEc5vZSKDA_EbndLb1DMhJF9q4zY7nAEjiwj3Pz3iAnzADhW85XROIOJlk2GjCw1GhBD2vFjeBiXTq7lffO3BHhcVR9vNBLHlNCWKSpv9R1NgsQ3Z5jvc6LSUR_2gwJJvl0K.IVwgghNpFgmgnfKfqKM0ZuDUBGpwwH65JdGbotcVMaCZ_dq72P5gxA9Mqll_Jb8UPn6T7uF3H8Sa6VF0mAgqfYQsm5y_SQoKV_i9K5H2x.njZVeym5fpyo.lQEFq2EdiW88KytHNDWZoFJ2u_bkdcFY28dGM_b2gn5UO7ZUxoznd6Ys7fJ2fZ42M6a1GKyj6d2AShAwQqX5WSqv9ayO9DNaoEMXIN2CXb4W_fDcwmuHMDzbx7f8VCwnQvowfXhYckUSf1gJn92Ywpq1tgEKLQlyoaFvymjwKR2MmyFyimcYngKsJghsyzwtONkYD6d5Ecxgb7mnTDXmVEtDMTU_VnM6W22Tppjc.rVRZsEsixeXTJm_3PUbx1MHEP8epe6xEK1CDP.MRgj9thZ0EuoKGjOkMA4Xi8AUEBrEl4v8w_nxlreh5qG1rbOCvVtM_GC1cCNOy7hk_sG25X9XCgXiX7fMC6ERtSFKVvUIOWjMBlUEJBY4UgYxkbCPDqnWe4mz_GG.uBZkJCvlkFxcfM7xyuSC1KKiOi7xGkqmdg4osVuj.jbuwB1pdXZtZo4jAr7HWmx3EoD7G81k5pCXeadzUHdrZbK.RBHArYyoZAWCg17oOkAtp8ohjofZ40c9tksMpm.puvw9KLw6wTcI3ppaD2JSok0mT45WY0s81sxRToDciFTc_Y47gJwtah2gIJtQQ_fbNKVdDlkvVY6I1JvccuUdt6VpuAKHlPHaeLN2XwNuiFu2eAoO2m_iF8hMlwYv2a1RQeR6AwGibXJFAlQi6Prkihvd5l4KW4Ce4nshR6WTDT3tJuf0qxJX7OzxZDOR5WZmr7DhrNdjeEOeJm.w48OEAYApzNmesUgLE9VZH7vwXrUSwOXTc0kxx4ji.32UF9BfoDvP3lrqSIcOb4MUvfYIpz4KzFZhhJfe4PhizHi6j05uvce1kOILhOSVFkkISeDY326G750uXewVip1xHXtxVJLZQrNlne8YjM3p9XeCXewHRgaBzX_n.cIhhCwpKCdJvprlIV6pdw4oITvcg0Ddfqvm2aEgo7Vdn2jjDfsEhnCnWIt2bh1OuwOfFTPMIfqe7E6XeblOHg6x96hmd9PybqQXR4KyttcEEVihuUDxH1nuBVsERKVdkrYtV4J4WjwiUWjbsIjX.eyUJiMFpVn_lMMJOs36cNMAaf5.9hKoBeCtyNKEwHJOckZ4IIjymlQD0cN5uMgdYtI274pYOWdcNn_cB_eeauO7FK9RmtmRjKcDPgu15C6nW2gmtGuFyWMfc_WuJAQC0E8wRdPqa4woTuilU1GEHIRUkA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910db2dd7fbc3b59';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\/7315209468?__cf_chl_rt_tk=TlmZyz8_ODDF6PTQ1rQhRxi3imv3mEj8P0WZQ1bBT08-1739375052-1.0.1.1-NSoRBIIR93Vs.JEUMfH_X5Pvg1yAIF1jCtPL_Gg_8yA" + 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