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-afflu0oyz.mit-edu.top/post/9620735418

  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-afflu0oyz.mit-edu.top",cType: 'managed',cRay: '911045fa5fcc0630',cH: 'qex7Ah.0MQLuu7Sm4rgCI2QDdWgBuaLj9lqJBCdrGi8-1739402049-1.2.1.1-xadSY.fl8vTM5UixPd2QAwZ3HIf2_wk_O87VOU4kk0vHmwtok6AfYnDR1bxDzwsm',cUPMDTk: "\/post\/9620735418?__cf_chl_tk=aNs5Zi_3qsHagP5fNPgrW5Auu46pR1i0MTYo6I9fik8-1739402049-1.0.1.1-06jAtwfTlczsBFQzC7BJEycwuO2Z4lVTg4FrmDhLVqk",cFPWv: 'b',cITimeS: '1739402049',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9620735418?__cf_chl_f_tk=aNs5Zi_3qsHagP5fNPgrW5Auu46pR1i0MTYo6I9fik8-1739402049-1.0.1.1-06jAtwfTlczsBFQzC7BJEycwuO2Z4lVTg4FrmDhLVqk",md: "2c0RybS_HnKA.4uRSq1eEcRjnkQU_v_fkaBT5r.SOHk-1739402049-1.2.1.1-JnF2SUGHue5Q_eww8TZQ84PrffzbelpqfyrDTmG2djLOYkYQwuFxC8mzpkK2gCI61ZoQ1hcbvenrobOU8w1T5mPNn2t57DB4aVhL8I7Z.9FtANIvVmqg9_YWYx73GsGCY5zlwRfBkOJTRWjfnPyezemXJGeaUEJ7Z.lzR1yhsVlng2qnTKYMMneZkYkzmvmJnltg2ofPvqy1mWlakJ3AvOplOE95t8pSbJMstFZZX3YVql5Byj6eIoHCftAi7FOlZgXJ8Y6I.MF3bvCbRv0eIbePj7Xlv3Jc0mZgPfh13bOhBxDtGN1vsFEfXA03ub8HF9vH2EVxJW.JojZ2KDhKzTaN7.sabmPofchiV7muQbEcGn7s9Pk5p3dcCbQxdlns.AxcOZfPQ573OoZW8pHGbm92wxoA1zRs7evFzlYDTFsgMKfHWfZeBB2rWkQ7uXSZ9D5ywLZ85nYU2N5OOC7hqK_f2.rL94K8Drgyz5zRANVKGeRi6ThYPJ3JQLXKRiTKGCHEjQpj2AKkC2DyA0ZuwrKlY8RxsXcXGgjPz3dB3aqkLso_Nc4_iiTBCz8Z7jxokSDkTuHLgotB0iegmmk7Z4CUKmjaxD9EuI4M5zcrRpEYBdG1fruwUvLfOStVdH4h5lqWTkAhzFJlKNDPoQ7O6GlOvcDyRfbqI4wqjn4rp4_YDkOvWEcvvZoBIy6pmwXnQThfQQ_kh7uCrZ.vtTF7iMGBm1pbqp7MIHUi6_nxNdG0.4Yv8YkhW3yZormQPcXkkk54zR7ba4BrOhOwy9mriyig0U24kY1MenAUOZhIgW41JO_lE.OJYSvYMyDSq9UTpnTnpk5GkEBienkRg3InZHojW87pq2XC5vzDLEJY7MszBjLSIpHINVv.KyHyr6VV5sjTZTiLl_sVyq9KAwFRuHmfycaniIrsTgo1X7tNOL22PnsZ9Vkq56XSqk0.P_iinNocYvtYgOG5PEKPZ1lEmGCEE6vppap5Hqz7gPhVe.iQq5sQqIGSpPC4Cj3p6I7GdAHq56olpiNTTKA_0j5CWGj2HGvSet8kSkqX1OCSM9WmhX8qtzvsmn_ebeYF8roRw_28Qz16s9X6sAF2144gWIItFpuBWDpa6VzfxRr8BWx8EFifYKfCtLMWh2D3d6hE0pSgmpoq7lmC8dQ457XzL5TroVVhlrYfjgmx.jSw33IeJgeSep7.7byb51LvplrXiMhOyCPgl37K9uJVObIuAHqr4U26BbNQKB54XFhby1qSWlpBx75ElGMDqWBB0zqhEw3nNZ2ogHydKaVYcr_r_mbpWSYQ5o_cvnGfIEFDYMNNKtNA_LzjCPld9TuWTaAYcDk8LlVvGEn_6VPJu36A.JFdj4JfV77d2BZcaJScnkuI79z24mL5gjaIhHso5jvhsH0Q3pyD32POzuavXcGH.WGbmLMFqYoRUAi408ggWWcoa315MxWj8I1hy5e0aw8LZPwOUqfnyTLVdUmhA9M9BmthDspQRp8u6RpirmVTMXVwr6cvOUvFFWnRpaEPSdk5kfcBGXl_XIxn.mwwIEkhDrVWSa1GK.OyBaSkEYAWOKga9rJqakePblMhYfh7OS5g8c.ByR2QwbA2.vy3BDcNqUJrS5CBVYfayrC.uySXbleGx3UcIM0uWmTBC2yv2ZAZlzF68.T83V33dTJlD6wvET4PT_w.wNp.3r1Vpvqw9bo.sJXMYe5kgOEYRdiH5zcMMQNfx9ODfBXf4_GFWtDN6EMyKi.Gyb213i0HReAISSyFwrIfruRP6tNWG0q.NjaieTJyC0aHJzvp_DWvPo5d.UXxe9_jOznZN.gWQdeq.4dQsQDvshM.xFnHzA8eKb623NFC3bg.CMhyJRS1W95oXOp4dzEGMFwlHwCeVZoi8GeSJo4NyWZnM0PEibRCzTasHx1CE6LGnr71fz7ZVIHTUltQvKzNX8iXC.wMiZG5csr.c54UjZRArNbdF11x0r0dHnnhDYR2uz3DpERvR0Gd3a5gpgNMgkxuJOV0HOANhMEfDmAe6qGpVYRfmRw3ctB_Elqj6gL9nWxC099FbDR2sYy9For_HalKOQPh0UJG59p6fSDYtZ.Jpw9WlWL1BeL_.lZXRlbwviQnuTYlT2ezpwI3Zqp.wGsNi9wOPFlSRuV4Kzc9Cd8Na6QogSKkz7ZhFkGBnglMFtYYKrgVVC.2vwi1_jr.meUILdUhshTKD0_G_16YnOH4XRDw2UjzpKol",mdrd: "5jUL8EBXyynhvcvPPA_nJzpXPzrMUINYo7FKnSsjcjE-1739402049-1.2.1.1-rNWaLLlyKbzMf6vvJO0qvI8b0i_69vxnlpPtpOH6pxknV23.Mqwk.ebfnawPRdHz7MRkffnUOtIeI9oSrG.QuBPm7h87BZaLeGKREG1FmrP_31mSPnYsSVW0glFmm9tsT4Bux5t1bWhdq_Iaz3QiUwr4r2f2FLj0O6C5KasHR1s3yZfKwimxqZpDDOkdz4mtCL2FKLdTvB768jqiLjJ03knqptZ7c.CRerDSncwu16P63x6XjLJ08cAeKtt4HHJInWoRutenPYIgp.1FLy7F0WeJ7cFPh4dqKJ9y7Tz_qXsSl4V4JQmpnlS3w2jOvAXKRvganPs9cdN.ap2_282WKSX.5vOtgVOdzVX9EgkjHi0sCoy27JXeY0_c8HKHwbNoBH6bMscKhZ6lBT.bKTE5oVZUOOYDNWClcFNKns1Eo6PPAiSsquZawZ.Tvj8NikgyYwaL9Y7Au8UKWjEKJuClw0uJKwMEKbvBbCY2lEiL2sZ88SVniwh9h7DTBPEm5kqDRtGFTI8zYcy97lW09mhYgr9N49c035ttAKDcFHB5XERgtqx_Euqoruv.Pmu6PkOHDlDqNF5wOYoXHvL18xzHGRqUmtZqRy7QS64Hpe6oCAGzO7b4qhZu4i3yjc38anHybAHnxDvJHWBcJwW0gZc1eMhQ935qeoG9F8uQy9n2WFQo1GXkcDqHn_EpOOUo_0v.gVHUhwBvelrU2ouVSMphrrlFa2DAFo7wwGEqZzxHrChiNLHtZagfduD6SggsyHL8yLlTHk7RClketQjaS.xKM3tAwEc6dtB7UuIqg3klLDEgsn19E_3gJRv7gHaXMZrfL9bYtLg8TKaQB4Ysc_phULkPjy9va8.yOaBAyJB4VA59xvY.puCHWHhGmIXpV3slHFal2tLv2T1lVzYD3W5ABtIKdvMpAOcBch0DSRDtyb_UgYqHTlMQL6uR8JkEL9WEgogDQ7LSpw2AU0rtEma9JCxJIJiqS6tws06r_Hlw_Z_CoxGOXLXfvuhwjsr26.jBMj0xB0g1xEoQes1Rce34Cf3q6UWVLGdh.BskggUBD.kIS.KfGu_3acFTN68oJ5ppuJR2XLtT07csA3iWBHIzTUbugQXL0_9hZfJUsXZwiLld4HiU.pSfXmvZemWVC1LvfJdazErc1Buwi.NeT4nHib_XA4TTgo0DggCJXtHrRcM2v6nEOIaEwGfAe9dwXFDwyJLDF9b7Am9BaaloaJBKYrJcRmQPg6lfnUlkiI3URD3ELPI3qkfZEJpjuU371zfmv24IqyuPRwjdUA_KAq2Icvsv_oxtZkI9762gMBGxl5EpDkZEvUk_hVYySVZ9YY_or_UG4HafMxdQI8tgSG_Ap0joaGqoJFcSGNAjRhvLaHBdPGtzkKZLaB3MdPjzRQdOCXzqK1vO2IB1GvtN4eLVoRHsM8s1gg4sZd6vS5UdduWCEsK.DJwPopMwhP4zTMzEurUlOqyAxfuIPwsTx.KZdhu47DKrJcWIGn3QOPmwimehd7jkgVz0vf8wl9rcK8szBhtkTKq4RoCl2zeafViVQDKETcBKgydwjOrN3RhBMzhksa.i7cGqM3NAFm1N0JqhbA0SytbRn85UfKdYBWgBkCeTE3R.XfoVbtHlMGgQXhsAGkbN5re1qfLdP2moHeLEhBHirVsMa.e.EFqupI1q.j4UvTsBlE.R89yQD8TlrotKlqSHgjNri7iUvcMvDBIYZP_959FjTA8HNDx9joGekADA023uWLOE255IcHvFxV5UzGrSQw3T2zt1RVyU0jPLfTJdg2mfQfKPRU9kMD8IIg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911045fa5fcc0630';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\/9620735418?__cf_chl_rt_tk=aNs5Zi_3qsHagP5fNPgrW5Auu46pR1i0MTYo6I9fik8-1739402049-1.0.1.1-06jAtwfTlczsBFQzC7BJEycwuO2Z4lVTg4FrmDhLVqk" + 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