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-520182429754.mit-edu.top/post/4581369207

  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-520182429754.mit-edu.top",cType: 'managed',cRay: '90f7f7fa3c760780',cH: 'l1n5wwiBYPba_b7MPc52zRwkH3yvFzkWTjBeZfaRvWM-1739147196-1.2.1.1-ep2U3bgGjaxckji5Z91Rv2cDV8WFdBV_oziZAo8rh3_1b5JAUzFCXbf535BNfA0_',cUPMDTk: "\/post\/4581369207?__cf_chl_tk=i_UA4_awR2lRYMyBFfBQbRQS8OXVZjq4Dpj8kdWM3vY-1739147196-1.0.1.1-34AT93DAlOrzcsEwLol.DX7GQjo98CK9JG5nwCbiBU4",cFPWv: 'g',cITimeS: '1739147196',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4581369207?__cf_chl_f_tk=i_UA4_awR2lRYMyBFfBQbRQS8OXVZjq4Dpj8kdWM3vY-1739147196-1.0.1.1-34AT93DAlOrzcsEwLol.DX7GQjo98CK9JG5nwCbiBU4",md: "beOX_Z_m_H.ffMMsXqrh9Qe0Zk_YPWhEbTbzV5EEYHQ-1739147196-1.2.1.1-T9eRvDgIuDgzUas3MzhpTX4wJDULsE1xvEA4ctvNwVwTUG4aF6noEtpkK4zZXopFPXdPYU4QJV_2IlOWkoXQeJBxOUbbRqa9i7WjdywPBUj8JlrbRuAXmhWdvtPdU6NB3wAWL3uFUxZuspau_Nw8zP1SY778PokUVh.oLsJSduLCN2kJjuJtP9l4nxCoTjztgDlrDb8U.3dF1I9vQ9FpF9F1TmF6pQeFrQ0biUFC40m7dPgYvIZfufmnEyhVTEYyTkB8agdPoH7.VA.kUmvtEXHYMzI40Lj81PoJlQqMuMI.QJ8Qou9.T8ug1HDut6dCu17BuzZKqVLfPJev0XHp_aKqqByL6FudMSszGSzZJsKHyjrjvSK09CbBF5etJHohI9Hjj3m7lMX4WMbesc_aqr84kAsoq3ndFcNm1jyOSfKuPueDmljxxX18vfXlkk7YiKLbF2ZwmbeV0lAsNFK21Jo4exj33tNGhymtB3jPbjxFrGpcrPxSZ_4RjgKgTw1L2MA5p_AKOMjgf7UjDfYCQhZr7dgYHMp9KZsKVb86b6TjpSx9QGxhl1WkFfajq8WHxuhuBingyiWIEDY89dkMlISR.F_9U8ivPFiSAqvgLgPsj8WUdXX56uBPV1Oy0Wie7sQThQtvGAviaBHzHb6Wg8McdFQU7QcLZFEFJa9eOqqqKbU8rIdOfOXoTEmQ4HdP2GD0IM.rqScC3xXK.yYg7F1gEuov7OLiyjOagw9A7Z8kFkkrHfxhmat4GPh17dstNaXLdU5frjpRqb7OenLsmn5EUOy5Ik_pieP5kpPHa5kAsul6cniFUYbIK0s8TZzffQUAnDtMbtjQ2_ESXqbAEuo7hwAXfrTXpDRosa957w0yoKozBvEy3ROoJODxFRGkdpktMTVqjn9FphnH7gT1J19g37CewdNHFsox2DbgbV1WoFlUXXvJ.Xjk.4SaBPu.Sr4DSMHmYRnUjMTPWy2AaNt48MHfdRZ1nIlf6qR029A6dvV7Twr6lthjaz26suiKI0na8dlO61ob3fONBiFpAx1ncdl3GI.zPv_zZehAlsqTBO2NE9Q.sirlwAuLWQC7kLhmxw3yx0cJo4.823xdGo2lB2iQ36.a1PKsgSHIcLUww8KjJEGIPNw5XtXWXmqgvpf5ef7X5KtMBhfP5snJ_aX1ier1rWVXxTQIUrTsQZRkLbUpmMI8xHxNbxZi7D7GgYbPhL28R.7hybwqLu3cEqg6WecVCZlBIh4ZG9jlIkITA3ot_XFviNFgTj2DP4EUakFSpnV2dmkcCtekIeAlGWZk.Ju4_bGgFOAx.Kb7gj6v2.vAOdeUvHHBVyV4i_7tZbD2TSQLEVB3LBV2l8mEvJL78wq5qHGTT.EZeUZULTl4.kTER5yX59jBPGBVx1R11ZwKOF5KXCZ.TcP8LXkYtiiTfhss0On6rdJ5tqbbEemNOKd_BGlIQ9kyCWvHXzoylnwg3nH7wOFhiiVkweFZI59VLHuHQnPKE5LJhqNKLL2jWlxoc8j6VGNdW4bC_7f7DDMb9bLFBv9_UJPxuVR3uxzJdbl5mW3zSLvSuCjfUMKnQGeRQlmp5g15UhgrZR1p73_ai6W4i5SU18q3j3dqowNzHP8Mj3s1EhHj6A.fMnzMS3Mxf4mC2JNxjfclTBMDA.rT4xi.pL8ro2em4XUX0WBOHgKI67h1Zc3pz.f9yl7U7zUPD7Iwqaf7Ui9NWMMt4CTuJySx2XL2u_Dl92rQlx6bW2eXAQWamNGkgSYIk3zBzp12CuW_jXpJx2NU_y8HcBfvCcYjzVpFObbjXPclHSHD_Xq5tYnzNJjezmLIMmCQZp72UFYJIDM3wMdTideJwjsVsE0PrBrYQedDM4KzMKIhTMTp3AxJv9cAlSTMMIvXNKRUSxBEtQZmyEfBfiQj.LybuVSGzly3AAIrtZA7xFuos9d7ArsapAU7es8okSZoWW6dgqBp.ZbBdWoNSnVuJ1z2_8fcsUyrGCjQhNF1UznoVWUChLmHAP6h37jE5DTlQvbTItfZ6J05aXeIMeqUDA1AYlPBPnD3.eZiy30HVd5QwnTCVU7I4Se4c76WT9S9ihs.6qFbAJu_0i4Gxwx2NK0OzOCP6CQqb8nb8M8mO2Sr4DbsAxAQptMbAMCZvoRj_4zmA2aA6iKZW3XbNTdD2Fw43avC4k4aNF9lm0kzbmzc8uRDK80G9CgtqxqVYE8gAUvChesIPah0JP.kGZIe",mdrd: "qYKUjqdgMYr5ep1PYhG3qSmRD92aPjtZyuXoEUYhmCE-1739147196-1.2.1.1-ipGj_4RhKNaQil9GsdDuH3zukaLCc8RKD3SdIL9yjm0XThmG4Hd65tz_2KgtEg.8lFNa.oMdixjz7XrV7OeEOEIKxd2dCQIxLw1OJMMA2_qjrtei6wE45nJWnNDVNm3w6SPcDd8ILRfyyVOEOmnRJ.WeqxI7fNT.wW0WHU9Xz3y39syfFVfaOI2HxQwgNazV82KpgalhNtXZHKyvjJSFoBjNcUSsWlG3VdHpyRvn43F8XDXuXH06879xdiBjiVi3mICPUQ4DZ7Qbvq_o4YMEnLaB_jJ9PY5b3wzl_zWnCKqCaAHhM0wluuBexvl_EetM5pgGmNRy6pO8R14BRZIw6BIpF0N7CtsFSJxcep7xkjLjjQH232ZQZU0biVsbbhYyyOHvz5Ie4Er.2v2slkfq7QShiRSq1ZkNdloJW2F8h7gtMBpW.jXHpYLakqtEo0BNPcQ0m.scnxRPfNIW7yhCEBl0mMUg5AxUX04VT5JJdD8yImVYNK_0hStz3lbTI6Pdqs7OYxXqGEYT6SDtsBDYBOiAS8qQx29.x5Xcdhtn6MXzHz1B4eljSAVRA.7jn03eO0FDO3DGJDIdB03dNepmoxYKkb2VeBgjxJEar9rhttA2LN9RPitSlz3FE9dspmapF1Iw8aGWouk_3Y1zr9_SmfNqWGR3hzDg77VfpMTVeeTWSAh2PagZF7JL78yAHMF3TwlNoMmRIR91NvDtWGd5r3wsPQMogEWHm_tmLkxN6kjJAqYb5cjY6Ig_.mMWLCuEi4AM3Ru47TU2V477q79j9B2lOZAj614r4pft73VBPzsmegk16unwj2PYdzARqUOmkbpxaRSZHjLnLY0FLz.zsb1xyeYD8Iq6Dkm6xWZ0.8qTYGdT5Aky8vaJiqi0s2jgLYF_NuXF3m267aYrwGrxXAK5REItBcCoi5ZgR5DehHmoKT1TbH1_Na193I3EkuqWHEFVLnRkKb8KkQhiPe9AsSmGEgShdT8haloPIWvnnOoHhsi4oi.DuKzRl7vKhnbmmaq_.atQSH3DiFLGttmDpNne9WdgZtrJxg6VNEMAVdWyUJt.zwp2.8E85GVRrHiGFSBl.Qo_2K5r8fqqqUwaM2Dp_Pb8Vr4s2f6B7SmWSZhQNkg6PNqwijTUke5ZLGs1yuVhkHjXJEcFt0INgV.EKqH8d2paUkh_OWg2hYQHPn6ZLz3iMHclJV9NO6myPQIJi10aPmjy5.XkyEhTkstTa2lK2RHKIsCmgH6oS2ahuhWv3LPqR5qEhNrscwPckOsNujt_pCGHT8h8419xuWIcldLBp1DFVrcHxFP9sj.kPEezzNaCxqkW8haVWtUfI5H2dC8.wJo6scJE.1gmNN9yL3RMBlIJPCgRi4OXVuQABK7bEwTXFDVhABIfwBo2YTT117oVcjZNraZKILvd1MNo5fShs2orjJOiEdi8lB3Hody6lhxvOuerjrhQ9R73IleK2ozaHcxLfs1ciDCtYPdSZi052mvnGzTxfaAxJ896hsGiagrl2nOfA5ofE.qVh4Dc_zj1lxBJUPuYbIi5JpGd5eteDroX8yWZubg8P6bd2bzhfpz8dQyePO3BlGRsDTV1aweeSA_vyAqersrWa0rJTpJmvjOkdFQyiaYWikjucCtVRIlQ.bzVwZ8U0yP_HL0pS1rR3JjL.OCib_.f.JN128D7HTtIbqZXTwXwNiLkEnL3TGEaYfsIz5oIpY4RiJJhhWODt_mG5pI8GjMH11lb5aJUqYo1uHZHUdN8T0MJWTZEWU.ag3HAS4vODFNX.UxohYFNEyhfLQ4bB6wzLN9LBg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7f7fa3c760780';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\/4581369207?__cf_chl_rt_tk=i_UA4_awR2lRYMyBFfBQbRQS8OXVZjq4Dpj8kdWM3vY-1739147196-1.0.1.1-34AT93DAlOrzcsEwLol.DX7GQjo98CK9JG5nwCbiBU4" + 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