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-affm525dl.mit-edu.top/post/3109827645

  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-affm525dl.mit-edu.top",cType: 'managed',cRay: '90f853da9fb868ee',cH: 'bGINGXyAwHDqrfLjL9LLN9YoGKtRw8iEc7_CRegOl1Q-1739150959-1.2.1.1-TfBVH6SwiY7v04vEbdFH9H4EP2YLyJiL59niik7c69JXDNfuhtP6QXbhQSW7iI8M',cUPMDTk: "\/post\/3109827645?__cf_chl_tk=02hcgsnX_o_Ff5upn8I47H7ZKwx1hFY.X94HwdyLQbI-1739150959-1.0.1.1-knn0NwjazDozWivDwqh.n2IWENn4eAaC07Iw2Dkoigk",cFPWv: 'g',cITimeS: '1739150959',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3109827645?__cf_chl_f_tk=02hcgsnX_o_Ff5upn8I47H7ZKwx1hFY.X94HwdyLQbI-1739150959-1.0.1.1-knn0NwjazDozWivDwqh.n2IWENn4eAaC07Iw2Dkoigk",md: "R0.WjCHo8wHJzVMLZDhxJ9aytXvXNISF7.gOf9jOvZU-1739150959-1.2.1.1-F03dmys2m4DJAjFLN3daWLwQQNPFCmV.v28eKlRFHIqa.eCti3ljeOAMTlExlzP_WKj8P4FgeycyBMrGDcm9z0td2zbcIHQy0kWV_iFXk5hNVLUIPH1mRwA11dyrHtX5AIV96nCapHuKY5cnU3H3EDOa1IRLxNmOF9KfGRv6tVky2cN8Cw5Zcft7eF4Jtmxp5nfWOVZ7RFoa5CZ0QcQ4n3D6yjHGY1oR41c6GBrCTC1p71kmdH0Rj3GC3K9M8tvp38S_JsX6vPzDXC4CT6Luaynj0Hx7v1Qh3RydNprz_U11GJTVu0udD5X63VctCF0RGe4BIHj2G6hCfFCn89sw0IOu3UnXUBTJcz4l3EcYgbNUiZpWrP56CsHGg.LdziAFeBjom6blS10yJFonnbegnaOBHcmzunhKie8hjEyVLFRe_q.x36uxpW.y32y4qWelD19IWsvcDSJ8qVc_QjjnSVxvduPQ5Gm3EH.zZBWfz6nlN4d8nedb4UgfNhW7wSNV_E7OqNFyYBqWQ2cdgjzxw3gvUhuX9Y9q7khD2dx5E2wa02HO3pU1LdAJFFis1QSazwNLI4ockF0P_WNfN7wvIW8.W5VjJdnUCXYE9pPsYIC_TxWb3Mls84b79Gxbsz8rjawDX45yNeoSZ9Jm19JTAaOROg0C9boDX.dnmLblVrwhfcNmZTNTkF4ajj_.I_4hgozhL17FSgu9SVmJpPS6hgkDLINtKaG998NPiu6dqZ9QPyj_g6HqQ7S5LOZblNdoZXm6Hsz3UVAMEKlYzD6_BQM4hGTGWbYjXMx1Wrkp6RFU70mW4UaAjtjQNlMmTaFwLHEsY.cnctSFqpKPltYADkSH1NUTN40MxN8l60QKuuNZC72UHbJPdpNNegMWEbFSPsQipjI3X3kLk0G8gYUcDX2bfHcceUIz4WOtIo7mnOpMsZ_76GJUXzr_sjNt.OqfLbUKL6wIG_sPJy.VxauLQ7Md8FSwwkN9iDCXnjZTRLxrH_IcWVOi7qsa4OntDfpo8ds4fw56QjNyfJx4D0bhiGJO0v0YgZWGs.D7U4ffWcH6MbhmaqH.xr.sSSyImAb3iJb5i.JIU8Akvc6pdW9MiQ_HkqUmQhmKQAAn_7CokjWpZwQNW.F9A0u8hwBtebE7GtDYTqdqxKPcH17n_NRe_JlzklzkT0To9aAPYI53vaumhgIvUnNXsY9bnc2_Zm8SK2rChdLb1Vqf8CQIjW12ZsxSJNWS2nCHYgLWJhMCfwL.kJO9w1u32cyI1I6bUtYVq.Msgsi2Mhv_0A0ZSWnhhjlzL7uphRROI038G1lDYCzgfwgNqXFbRy__6PNTaX0VN9Kfkf74GAF8Mpmb3CS5pwE1SQ1z0NdTy7EvW0ye3QuXw5koqvIZBHTZq2et2aKxnEvqka81eOYLTEu4cL.yx8fl5Km2FpEKheQfk8fgw96Fj1ckXJw_EfJGU4R8pgdkjK8FvAfkS974Ss9NzU4TkEHW5sd5C.qTffSxyrCYoZ.QxZMItp5oPjUD.3CFCUthKpLiE9PlZvgyst_kR85FYcgPUeHmmPcdVcSzfKyi3PaxsoASzGcaA3Zfy0wZjqBzf9rceMV0pSPgn4Ws7zRzMZM7IvA7jY0HeGhFTjFWGoiGCHl2tPKhs4gy4tEBa5M.hXY50DO79nC5mX4Q5hCCiic8QjarePePZfMKDcHb7SiH92pWIpJgqe9U4hudQvPX8a81jxb7KBhyQr2h4HafbQM7DTqq7nvCbOukkICh5e5NadcnewPk7U5A3Ps7ih.ApSpS2WDcQvl8WXaur2uhaS.iZLykZ_FDGhHaOXj3ZvAxdBnIs0FkzaD.U9wjQKHWiWA.PtwAWiY.lfgNSfaRl1ZLhDzpn18ikTfCg0NZVOrR7GNKsNorkMQB3ESZX9..UW8.ViJ9VvxBdAJ37ubvmTaCemifcPjTqXp6.Mo2.EskLM7Y_7z6iW4bsOXjlGGr9GdNe2QcVbgC1D4oAJhmnGPqMbDfb2zxl9d6bBsvFgMbWmVc1iKrx0oE2SLAZwRrwl9HLxqc6pFEvAWgXNCFdsZOa6xq4Uf3FeXh_TKs_6IRQoeWWMWIP2Ep06AQ65AC.GZigQ6f2JvuyWukD5fvc9XxpmGw6BRJsOoym_FHdTSsVoxsidt7jiqTudNwNadGJJuQJWGdcCkhr.U2r.dY57gwdeYbgzHyPW1hNbExiIXOPZd8x0ifQXSJE6.t9vep",mdrd: "tD8hpcPKGp7vXSPPEIcSKl9MKc7AbzitN5OUC6G0Zcs-1739150959-1.2.1.1-d2XvhcZOldLZ5WMWTWtXg1yL3Agu8ooMnkBtzd.PNveNEoS_6c8iG4N.t8xtAkiDc.dILsTp6SYYeenFAEG6hc1iH9OBzPDH8WUV6hjlheJdhuFlW1OTeA9qJiwtJLdDtUbHNIQv5YHDCgBbCIG5.589EpULrNsV3tD2BP8CmEL0BGMBEJwTWxqzbSLaSet_jo53b25USN0VUwmyNdyXie22CYhtizd2hz8IDD2dg6AbJ5yew_ONWDs60ML5i84fNSxY_UMi0TAezdHGYkukHAmPJdfgdzQsOvgpxkZ6S9OMYJ8toK2JyVsI62Br8sxCQj6vI2qMvR0jx1LwGNsLVYKgVX0xhjZkv9D4t80oETrWx5kOL.zdzMVN0IM5ItfE789jN2r.gNPh0bVbnk1RoPQYZUW44wmiHHVKvdNSDrHlKcmtpnxEajIZWcSVYbLl0T6OlmxzFcFvRd2hy3eI7dB0x5KzZX2xz26izsH4MMJWqIT.wg193QnWFS5BxZrH4vMXJvTuYSAnx0uenIvbGaO7Gi4JthEREmEg4shrWeNMynwgj7uQkOSMBuRiqutUKpIfWPKi94VDqxgjQdOnheIifuHLSgsEbuDhmFI4kD4EVrNOR3HraWkjQtvCc0Hq8TddV7yhzkaBfxUhb_dN5JXkQRThYz2XbXC2e7JZdcMi_gKsQ.QSeJFmssAJpIOJHryCQLCDRBmZ7f8xVNLTuOZFeF7GMlgrRpdLLW8vLmI40nBwC6QzwJrmplH0d8cSCrhJrK7YITPMfJSmhS8SbWXdQS7qx14Ag7okNAFPoyks_5HuBzjBXlg6yCOcFAfJZbOBo2SGzjOdG51UZuLl7E8NheFfhaOIIsX_ZoltjB0m7PMOVtpYL_W2wV_.Nyl9BdUvTjIsD1jXnm8mAEMurvvgoZrcSd1E1LArN.hNMYAEFQm6L2RYGKooor_gw8qWToTay9rW7YU0vrqnNA9CjoMR.QQE4Asyp5DKj_LpXKLRwyl0Fk8lBvo10IS4zM4qrNtlFy1NDZj64iCrhV.ujm9NxxwAlfHhT1zOaUFfGETfhr2Oi4UKK3PWx2DAhQ0OLyavZnXUgnYDDgCSagwd2L46iRIO_4SF9H6wnM8ioOS9IPZXZNUtLAFjX1ieFWVwoMKPUCIXcTNNcCInRx9V2g55MJe.jrXt9toWWuEYPRNuR6K0VVZot7Dm8YEKIP9ebignDKqJxDYDWz96ghRUyJIfE4Jld1jbrdvpGG6a2uVQkVpqLaH7kVc4DHv6FkFzFL743dhlnGf4LcAeORZNA2yaibbp8BQETwX2NXT3i43e4.yuKkliW2Yr7qvzTVP8TbB2vw0Mu7gPptpbL3s52PqwVToSrMZazkdaPwQzirmuYgY5sG7mnbJDJjGRDMTKP00rUhSAkgw8HN0M2EKvgtGMKauCa.U72JrChSgQg0_fs9r5r2kILd6ZswX08dp_26gFbkNLsLcjNiav_7T7ePL6YB_3ndz_zP4zGQqMKtPFxAeyPtoZYWk6GRJXMp51hyZ_wdxmLTlSxhUjsOO6c7E8C7w7AwWzmvfpclZPEwG0c_8sbqGa.7IgRTZGTE7eozIR4vMk7I5tPuadaRww_2s2rUJzC3XRydvE.hewHI4EYrMzJ5.hMTGVg_UHGXiMU6Nipu2M8Aq3lp8oLReQDBWlYzMVEwAFnwjvpy3KZrDHbQ9uvjRazLFvf4VtEx2niLfP42irUlrYDQ8nuMRHwADEyDKx.8CsTeMboybSv2Ed5nFDWXODo5u11N1zEpcfmCuGnyOX_dZp1OcY2U3zBA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f853da9fb868ee';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\/3109827645?__cf_chl_rt_tk=02hcgsnX_o_Ff5upn8I47H7ZKwx1hFY.X94HwdyLQbI-1739150959-1.0.1.1-knn0NwjazDozWivDwqh.n2IWENn4eAaC07Iw2Dkoigk" + 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