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-aff0s1ofg.mit-edu.top/post/9834762510

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-aff0s1ofg.mit-edu.top",cType: 'managed',cRay: '90f7fcb61edc82b1',cH: '6gKhvF8C6YcoWSdj7vM8iiEqyHvTiag3L.9w5P9avf8-1739147390-1.2.1.1-BBAizuiiVUbPF_bZj._AVyWeSy1w9xpXq95iFzN3ylSTDDrGeH1alF7FpmdcQj6R',cUPMDTk: "\/post\/9834762510?__cf_chl_tk=PFaOq0xIb80JN1I1hKoYBkq3ayDNNaTbCibpuuYEGOQ-1739147390-1.0.1.1-UH.d7LKllSRUM0V.r.CQseYLj5j1PICAuhpitBUYHYY",cFPWv: 'g',cITimeS: '1739147390',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9834762510?__cf_chl_f_tk=PFaOq0xIb80JN1I1hKoYBkq3ayDNNaTbCibpuuYEGOQ-1739147390-1.0.1.1-UH.d7LKllSRUM0V.r.CQseYLj5j1PICAuhpitBUYHYY",md: "wRSTTrqUMqrYWWWaz8QzkgdoYUdZJZ7CqALpJSYN3Z0-1739147390-1.2.1.1-OQEq3rnbyrU5tp.1AJ5ozz3wOCd61wNuUEcaoCYITp9vfqCnSHpK10owgWLM4T1o5Pk3rJWsidmWHcL1vVZbgOTJezyW_Tmsu2.gJeOX7prW3RDb5EqcJXZAI96erAwnii757rLQljx3z_Iz6.vuRoegzjDLDs13V4bTeeJC4XstFQLaiEJAY.76I2SxjWX8873uir4lzODZ_WSfs3tEY_Q7uHofaINMhC6ZOGucFil0ozAsYy6cGp6tgFoM8RQQWWE.tl5LMev_V1E33JptQD5Y9bIjtR4NC8P2olrpzC0LdJ1BBen8DWoUITr1pX2y7WNzSn07rq96rz5GO3GXXbiXn5ayTDg5jeJY9l4J.3EN5wD8yZjrwjh0OFlaQVvWcnc1HsOY3YYkN0u1Oe6c2LUMVa72nnfqdhCRWCd0PKRvStNQk5NJu0QNn.o1jBCUxy9GdT2HMFY925MUtiwdn9QwsZAjaSuakXVzHsiVAy._8QtFtQlMDgusxEnwguhEV12.st.OEnSIEilrZXjGmmhT4QjMJHNoCsQf4Z91ucrs9YfPmbgcZcx24nlyq7gSt8GoV9RbEhSxdIgTvJlnBbnqpxakNA4RqkfGj3QLDMXwz7VnNBxwmT86z1wpDd9HbC1i2Ew5oSh2i0eZi8chqU7DBbw_R9H0d33jIDURV5Q3yFW.FZSHcC7o_9rRjUuqqa.suQojBxwlhlNO0qIF5aDB1khm7bpq6C_q4ZQviZ8P7svWaokKpyjqL3Hp68pCR6oiVdxgnThS6yeR9yvNBTF_LV_w2s9E8YvqY3JcYaZeYP3ppc_pLeqdObs66iH256oCy3Ek4HpXt6t0RZ_m0.Be119Zcghzw2lMzevJylDPyhGJpL88mQ3kYa6JL.GrVJdB8PiLz9c2dJH_uqlz4vN.Y667975DkOmDk5.SC6fmnvr4cLdvFJF_pPBFRdWiJmaGvvXm3hXHXoM415zmOxnzBD7d1gLCE6u.WCII5kiUOVM5JybHbaO7UZ7FsqTWCSgwPoJwDgHef3H8Lnt7BmyiMSq.t379EGWDbfm.72cfRoaYgAQMkwnzdLeYYidCtMAiMWvjVG2j88PbBqfn0xTO2n.SeAV8cmSEvV37w2ab00RBlwbrjNUwS._Y8iu5VxafQwcKIK.43nD33HCZxcqoxLI_6AOLu4_Ziel_3vVOO9svFVfez2C566ONVhVVOLfagnh0n9QDtFkZsHONxLbKgUUpuc_rBNg6LGjqW7UFydW1DC4tbFcKkQFVAQEES3dsxL8Zr0xw3EtVXJXkburMPmlKsbNCw1Z5a2YTYU9SXRKA7dYOV9lDExkgoHWEgyUU2fPISLucNsRX9DxStfcdK4lV2UP.PjCBW4sQ2LVibJaWwytWqG6ztM24EnNVWNkVF6qRQxnCaYINcw9lITipPKde9YBMBulF1AKMRJwYhYJUx_B8wAr0OibMTtn8C3.Xv7mMp7rdniAP6VLoe.9dNZK79magTDE6C29a8MzId_YGgaOUWsnnhh.Zbwk0Ncg4DOhNFcsB.EgYJuPXpFhKGaQDR41io4ctVx8gAQ8VxWzd2UzVXFs7vW1nFOBpIs.T9qeCI6OAgFSxf6n.aoYN6h34OyCJ5FprMPL4bbXFCkjE54oExIYCtqgJQAaZ9orlGee_r0oHZvP137B3uNjdbKApbslBz3Ds1unfsOIx8A_dRG5ZoxVHBmCcpr8gXHY6IleOEBMmYHMNgs7Oo_6iv3d_eg85eorVHDpBv5LiH2opL6HguCv_MbWGPOmCVjkOJL99XjsrZsqxFPN.e2wvrytdq9hMrty7sc4QuBwB2YMhf.bpEWqvrac7Ac_0sb7LBn4b2Nw7eNRQtw887alsvebP16E43veSqg_hycXIwrquMDs6..kUMBFG3tw7aYiV0gDylbhwJrPieYUcMwGq4yMxgy8tddJg19cbw4C_91Rvu.DM9.T8RGiawKa9SYq7QBThwhqE4I0CiMM2YSvFx5cZSw2teOvZNYzt8cL.2I23qItA_.EP8ufexQrPCEWah5jkFKldJwxQPWwg40ymyQP5J9bTO0xhjsdYd2qJae_ORM8q_ZKKedsHr2tsSi8vhuBNIuKnMspmxfvZ9alOQhPuSD4erWot6XqyNDKof024zWiRMb05z4Zjoex9IJYOciP6u6udVZM5znxEMNydCzKvDOy73XPHYxSGSEcFWZIYL._RL.e5VvO4Lh6T",mdrd: "hzPUwaQZY9GOo9duea19L9CirKue7t4pXErS_8kBT60-1739147390-1.2.1.1-S6WOUsRBtFbzz7PY.37AEbx5L9p4VzwMpHMo_ck6qFpkLTvpXPhKaS33noqGF5rf1sJB8qU3NsxP7SjoAAH9tW_3tTVd.dGr3gwryMOEX8nQQ0dwfIGqkk9x2DYmvnl5hQ4Hgk8qH6rj3I9ak4mOqhuhUOR9Wh0LZ4tc3gDNQZ0LWr3xd31yvYbmNec19AVYKPmhF.TkPEIlhvOaDhHyzg8wqFFkTZGXSGzEMYSMjD5YEM_lfOE9phfE8cTc.6HpZU5XTD2FZOZrXunwQLx2nHUbLuMmfS06l2iF1w7a6Panfy02HU0nyq7gXG0xA4i17Hyn2uM.6naAz129EFQn2RsGv3kK8CrdiN9Kc3I3Qdf5hsevuTJU5czE87rghhdTwv27BdIIIJyliBmC1XwI_u_Rq_tL3rIRtFa5tAI7qTWJS.OCeilNkqb0OmzCWzprW8or.WY5o05aMoyQxJG2wAilfkTPvJfUANi8LjPt8iuVHxRmXKmY51.LjnZMw5h0sNXtP25wRBFiKAltaftmKhcpxkn2yPmE95L3qwHHurF_VLTT0J4DcJiPhUGM7PLXm4z.6i0nBR6TsxHlNKnBQbRm9wVYLgK76w4fwstpNEF4saxi5B_SZ_qJwVJwY9jj4f.hsjhTkzpW3dR3aF8wDGwQsAGEGqkm_Bjk_vHqNmc0Dc2Ku5Rwqe694ja3buXfMC8OtND_Y7ZK48Cx_oX7A57TkJqeRs2Gx2JVqXI6Ua7jP9jyTWfN4KdjVXGYaovCU_hJgY0xQgQx.v1CrvrxlQtdd9XZdo_uyD4gNvqHmRS4ppk2UTl7x62nlK1mFRbczMZ3EbJ5JUDlrxqedbu.td.a6IF3Gv_T5JFYadqRtKb_mg2n0mtY6CY4GNFNa8z_Qq_iPIadCw1hp0lwMVdiDwJhRiu_YuQCMP8CO5nYvZktvl3w0Et5BPscKYiS_d7YjXSYj3fAnMDTvsyEOEFKN8K6ZGxE6vnfvl0jWOu7OYHc3hwbPtxMzUJGBnXBt.ARWlJSiF.1lpiB9.Lt.VSdS8HJtnqot9klSyekF6_vOUdRnTSPS.jE9xoYNwNa7O05OBlwCNTRDJMeYJp9..DU7IYI2QXnJ7rRpJXPnKmDSzGgy3VrIBj9QyessBgVwVku8p3kM2gGvwZDdGsd6OuiLIfVYAqc1tFspwpY.f237esA6FQMfNVZaCPfMiIqSzbp17cVtBdr_JGlH2X_QQxkx8hxaq3bjOTsK0ZxxktAfTLwymOJd7j8IUOCUPTjnGkeytN7YUA6wcVluEKEX5.SoNwaVAe3bbMJ__i0vvjhkzRM7qYyStTllBl3dV_I8PzOUeCwrm78klipDdgBZb_sa.inn8TLFRX6N6hEr1zcpEkXslaswBwqXiLKEx7xT7HdVtQgki3yhsCRxvx4xjKiOM98EdJS8yBkaplYmt7AGAI0LSB7uOTAcX8xEygvki0KgbOMZQetZlw8PyQkSV3LkF1F6Jw9Fri_7IQ4D2UhY1ikVFQkmbQ4UupHTccqP4PF7hJQnmSmNIG.zU7TKoCQC31PatylZU6S2ch_Y2K41RiANL4lkIppHDv7tuznrL5A1UnC6t8nLZYF.qvbSt0IUBCAPLT7YQG5LqtIvuTCoWRjOuNwUNbnBDlzXeTDLCbulS8zqvj6883c2D7CA7zLkL.HC.AShL3MaoGZjsvovB3gG9PHtURMrANH.RlRsoq90y2JUmW9ongIpb9o9PCdqbnqF.MCWwYkp2i.hC1_2gXg8uPheZgmAJXPFdNI42vh0IhQdz45f9HcV4CvFwNzk4gCN.tnquen6XStQUv1NL4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7fcb61edc82b1';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\/9834762510?__cf_chl_rt_tk=PFaOq0xIb80JN1I1hKoYBkq3ayDNNaTbCibpuuYEGOQ-1739147390-1.0.1.1-UH.d7LKllSRUM0V.r.CQseYLj5j1PICAuhpitBUYHYY" + 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