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-aff1pex8p.mit-edu.top/post/3784961250

  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-aff1pex8p.mit-edu.top",cType: 'managed',cRay: '90f36f37ab723943',cH: 'BuEgHO2lCKAf.im.13PnD1H4Zh8YM_1OQNW8FdhhMhs-1739099651-1.2.1.1-VZcwuwKoxCuK_QsXgZD34aHOAbNFt4dUAHv6JsFiZkaeLjQlTqe.dUjTouADF9PJ',cUPMDTk: "\/post\/3784961250?__cf_chl_tk=7khBHu8rRFKOntfzOIW8xGt3Xmz3ze3E.DhJw.Ikbs4-1739099651-1.0.1.1-GzCdhKuOwLnHJ3xV8UqyH56F5bmuLebLs1eoNFgAjWY",cFPWv: 'g',cITimeS: '1739099651',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3784961250?__cf_chl_f_tk=7khBHu8rRFKOntfzOIW8xGt3Xmz3ze3E.DhJw.Ikbs4-1739099651-1.0.1.1-GzCdhKuOwLnHJ3xV8UqyH56F5bmuLebLs1eoNFgAjWY",md: "9JHNeiCyfLqlvltxq3lDK670WirtswHyeOFIji2jrrg-1739099651-1.2.1.1-OEGO9eTASRnqxtHZNE3fn01kqfSEIFdIqPViq335xHcrx_bnMLR78S1XbLl2.lZ1yYByvSnH3I24h3YFQ8x4fUa8e45kvm27z.GAnvDSXnA6oiXoSS.MKqk6KOSU30oiGEnyWAqF30VrGR5Eor_wnIF46vBJIDnn.jolrBiJIVDGPzNeAUWpyPldl8Mybq_okxFyL7Le5iak.cmVFdZmsiisxn5yJdL8e8nJFzSM_4cfccfw3sH5bFm0cJTVrHLCUXUKGxLTELQMgxmQGzF4AKn4jdYbgiH3zHoTiw7vH.g3nPGB8tJpbLowsC5.uY691ElKN3TqWCqvD_t8LoNtC3k2iaLGoIWmWyOL_QJ2ucBasY.vhr7FEwiTAYIRbsKI3qdNsDaqmnnfAz08CgzmUwZrgUZDwsEofbYYg1XgeyKkMfFgoXH.vYLF00q7xSqtGI90IpxQAXwIUqr3bgJjLKUjrFnwpoAAxBGKMB7EOjcBeRAhYhFy_p.qxlQumhMOR8mSW9efayawef4y3jki7xzIWuICL7u5ooUqg5y1Ni49Dyr3p5F01.kGEhJ7rPtAwVY7yUXJ6MXrFMPfIMSnOxACnBbQ7lwTsw.OXHOl7aRlTce94CV0QlMZwTNl6atmOMLmCRxjogdHmgOvUUkOM38Btl2bIZNp0K83Vr5AdRWXdZtLK0LFIEyhRJKByF5wLBIzYu3BPKzadHwoSsxpudDFdPEuw9ZKGa4aSAq1ve_ftp6_vfwkvk6WaGunl8Hetwr17Tw.M.C406L7TmYSQBcNYv.KIC7NwJX6e92sa6SLyUsNe08jUdHao0KroM.MAbUjgqBU382pRclM0KBWOe6l_NJ9e5lfTzudp7Y.as1xW59zXb4DYJQauIX9Y7SF1.6p9bVFGMwGdzKAS_ASdcxRPm5PYEsH9d2qu91wsDIuUTdFLOHt50b27cK4zCi19cYkL1sHnbG.IaYfWfcjvs86CjDr6ISroD3Dpg8RkzuKwoeR3Gv9CXZJvxkJ6qA8.JhVp5eVlI8ITzShVbnywKi8OxbS9bgrmFKhXZuKXSdfywY2u.NXB1DJbXJkXtLYuSinJAocUJxmYykWEGvNdhEP_sePYEO1rWrOUDUeKY_ToSyU3kQMgTptZKF2rZLp5CMPkCSF83HH9VGctlPHHfyQhPLxOY4wWcvaVRQJsPJF4NlJJqkI4bho64T.KJCvnH1I1k7Msj1Jhs8sshXKrPqEW2h01s91JRF4691H3Yvy4901qAOlHl6c2EbC8eX2SZ1QRv9vtthuxI0LYHFfwSLe4h0e8i_Mn5j44Y1QSoIU8LTtPdxyDf05oEbaX7xSm_6TvNd.FaM4IuqHS2syMrCu1uCwFqywvmbXEwA_WBxlLF2O3UIVT70JSzNS48YlQh0C9aA_AS08ymFBbfGsdVMbspMqE_ACpeEw9oPbp__HdejR0BloxF_pUvNFrjv8_jRBCqgSuZ3EAgM3emlE8kCTghJiLuekR8LY5sbUbQk_v3VBmJzWVoSK4XAyVR7RhxL9YV32LHrkTaMMXEGn.HIgFDPiEn.YJXn64XhPGFJ_2HexmxxBIFREjRzfF5.WKOIXm.2XS_zbJp0xHVbbozIDANcOzEENFcqek_0Jcvu6t5HojT4CmtSS0gAFmYS7W.y5IPzsfh0nobkfcSwUARLu4O5RKpHF1daVaF3Mury0IyZS1h8tEUiMc0KBKSusbptvz6IE8BpScWh_tyy4UMl6N7E3mVEbuqny.G8omZgCg4SBl9MNCKjAzyCkt9Lp6mWll751mJkXPfotmJezz6ozQhYXnWDT9ci3Z5exs5gn0aL4PREtXcA6CPN4ZZMHmQSlYOuqiPiHm0z6XAf5pBab4Fzn6NoMgV9.zCHKpeCUMH_gzmUuxaxWpgTVtLOW25HbxdAYy0GnZH1MEMX5BPiKBgydF2QJLR3YrcnE.hoyKZzFDtzIXyqLUw4sF4XrSNdND4RMmST5tu47jyfejH9o8ZCJTWE_Nae4tZVkrVT7hSHEyoKLOAn3rFXW3fFcXwcJMimM228jmS3rOXUMV90HR8KDnZjDWFCUhRVjRQ6dPwL2rFmF2rIGiC_WUXoderX5LaKHz7sYVUhiLGdOoX9O4aGWKLtqVEa.ahAoUjaTiZz79IIphwjcIQ5qwbjEvi795eTttLdenN5ig1QIeQBfxmYMnCA5R.gTKd4OnoQKH1fN7md0LxXHys8Stm.1",mdrd: "bOwfnJLO1kWEzzB1lT68agDeJOW0TuGdIi_oxn5u0vU-1739099651-1.2.1.1-1E0PS81J8Ggn.6uV_oKvdMoj0k.8BuXvLY_6uFlkAzrbs.FQyQ7Gf5EKh1Ax_eikkhwWCJ1j5MWjO6mLJ2q6Iu44SVoO0z4uoF7Z1sljIZ1FZ_mo8iBVECqiU1mcOzPJ0B.zYjDmkaHPxTvUeCEYbUCktRvNzEZZf1nozaWu8uJyktBdFsSIs7_Pjo1rUj1E7v25Ord2fTZ8xI.32AXMIJiRP2RL60LmQ1mkt1f.iC9ZsaNF5S04Q1NnNqSN3JzWRj9TzxnF8Uq78J9VvKo61Of3GnWNg0emEaHgRCjqnDP1mJ27Ic76EepWUIV81t4xbmREwo0MfgdeccgWjVR.g409UYl2zlnqxaGV.oG8SfL0xQSGtWl7JfAWwsgP8fmgsajWLQdzOl5luHdV56Vglg9SD3TyreZpU5MU6kTQONxJ3a.pStDF6LLVDI0HzDsxetvLoMmljBfUjC.Zh86k1P2qQBzwmqOEk6GAc7RcgDoccE2fLr4_l5lqyttle4mss4.kaIYxVmOHTXNDvznnZZOtcGGSeKovGt7bSY6xyOarUw4ySm1OerLITL5aI3wavms86zZgIh1onzSlWlZ0eyHqlr2mZsaqtcmeavS5pz0XDwH1J8h1y7.qvFUzEBmH0sFKRq0SdZWGfYDTPodPjINw9cqXaBV5wX29dmMaEsz4j.E35WqhDqjuPz1rfZ0qA859RN8ahccUxC9H0kyWxns4rXjujx29yzwmXs5TGLjMIZ48zeTIIqY4Adtbj4jKuWkBf1DMuqUvEebiXfWaYdH99HfRjToJJLET6CmELrlREr4L22cfUHVyaXYErMpoNnyEmzdRS_WSmwis0yxwpxsHUDJ8wNdIujEE1.kDr9o19_pnC1yKToMTHEAykXp1eOYC7xPG3OlhLX405hi68Vne9XYMjUbsBLJHaSN49FDLY1rMDaXCH0hCZdJ0huhyYOjT8_Fqf1FCMO6i7DEwpyaVcyhm40KWs_liyr4REVwHPlzAE2iWJqskWOSAIQAyoOHtaChRc7PzXJRowzQDkQYLEwpRRzAQhBlsd4gBAyZ1mH69gyTDB3g.CXWJ5qZkxqewucDTiXNoOki2hif.c_8BDAdHo0XsjAnL9BpIIbrntbZmBqBnpsfphWOkpNeCIuXQJBcefuKPU2XKpjA0HFyjD7jpFbUoK5heDFkNzmdHQZSDUHMvHrdETzIu_0GOE2P6j6O5x92llzKI5C7_g6vL1_0JMA6KcKLBX63_fH7YKRQgxtO.ppoECWgkgiHiac7rjDDE5nxRT2E5kj1ovXCArNOhJ5E9C5YsrFPPKdvMhNEuosZEDHEZfLT2qHpOKQtLMjYBqWyOAVPxr2MhUlGu55lthmBd5x7S5Q9Z8tR64q_PAsZliv5wWRUCvXY_TD3GdwdAQ2g7.oUj3Al1YR5D8zrqvUUO4Vm0Jb9rPst5V_VQ9zRCw4jBzWwOqbPDnLzx1jbih9oYHq1lPTjqD4rmjOtit7KSUwlmVVtiYfSPMJ9YwOskN84PG4NyyU0YnrPa1jfbYcMqqmuTqrOVePfQlAZLMrdaM51NRxPe6yc0VXPlzXNBLH5EVeuXDUoVcndSCcLcetdXhFkFEXLFWstPUlpxM5cup9IO9LO8bvQZki7_FnWK20LlXnM7vKPIvZE5CyPQD1IZwtzXBnEm5XIs2Rz0Vsoc9nRT_1iyefVLROIwLDYoRj8oUbl8ZuOWUUw0Gy41snPLzxeDXomHwwc2iQesuyIIs2VJeWVBnC39fR4ixqOec7A2TNKro9UdTz5f2ajWnlBlw1QOfpOXUA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36f37ab723943';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\/3784961250?__cf_chl_rt_tk=7khBHu8rRFKOntfzOIW8xGt3Xmz3ze3E.DhJw.Ikbs4-1739099651-1.0.1.1-GzCdhKuOwLnHJ3xV8UqyH56F5bmuLebLs1eoNFgAjWY" + 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