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-390202820546.mit-edu.top/post/8502167349

  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-390202820546.mit-edu.top",cType: 'managed',cRay: '90f37c412fa207ff',cH: 'h61RIxHbW89HE_qnaV.Hz4xF2OSPkI_HCggsIwVj34k-1739100185-1.2.1.1-ApfsBOFl9znaj4FjLMxn_pKFbJ1xKrFVT.u5GAFPghoKA6GJx1st9xzDEn7rX7u2',cUPMDTk: "\/post\/8502167349?__cf_chl_tk=hcYgbr3nDX86Qii9C5xghmg0ZRhx_2.kfX6W9Qh.DHQ-1739100185-1.0.1.1-dmEbNYw.aMalREuCE_rg0LyV4mDocYWzDt3lIcUJcdU",cFPWv: 'g',cITimeS: '1739100185',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8502167349?__cf_chl_f_tk=hcYgbr3nDX86Qii9C5xghmg0ZRhx_2.kfX6W9Qh.DHQ-1739100185-1.0.1.1-dmEbNYw.aMalREuCE_rg0LyV4mDocYWzDt3lIcUJcdU",md: "fS7WTVVhQidJ0POZRM1X7uM1.AmeQbhUU3V_mGxe2hc-1739100185-1.2.1.1-lPWESLPN1TKO89fvEk.8lKjlPhrvacpz9ZOsNjsfOW3.McBw.I0xXcdR5OwRKQ8RsxbceH.r7JKHHMyXWhPAq8RY6EXSSRr4mEEJHnW1GC57pVvtQTt4IyIs7oB.q_0PY0AwCptRCWGvsxDy1aC9o8l5XU_RzfP6qkT5TKNBQgOSdHjymwDW_K8cplsCS1q1X7OTx4SOUIqgdwLusdArJO.2LKH7MiTBJeVa5ghzuUhNaba77Ltig5tNXwpXcmykq7qs0sPsiM0e_VUGy.VoAYIO_kZYES7qEjHyUtDUsyBNIJ._BWfRk2Jk1K3Tdm94J80l1HFNCWTW_ytzHu8SPDOJZyB7N2s.L.f1akyq1oZybcsATA2PALjh8j6V4koYgsYRVMbMlcywUN.TzLEwApEavLY3Nja2Zp3Q9bM0KQ3UP2TmSg3IFsExaSMkoemTPOEXhJOSP18qr6c.k0nZdQr5UO4inkQ4XiLkBknl1kPWjqoEF7RDEtCVL4twBVJOFAIw3w31sKsIxAjuaMpQTdd08JOsVoVcC4B7q8ueiBCb46gr.Ux232gHuEF6u.uD8KgnBIwszazX4YSqHAcrhUeEwB11mcvYp7eeG1m1bXTp2pfKYcCtN5egzhreXlQ6Zcmn7VnqrPQa9F8m38RMCh66dsILZgWLO6CNCQ.2sigq3uhQ1z4WtN2.jGKvhcSRMofBVkFrw6470JxLrMLF4nUJjopuJWhwSqAgLEBomra95kQlms1L.J6f_hSdbcKfYriOKu8.Vt_d6L17iL8_JbKoeQTMkX6R9coJajyFgCsyLaA609j.YDMk6SCfZfYLgp5gzouo_ZYFIaDJEoi6yJvPC97ral1yBJjNKY.AoeGrVVfTULJ5zlmV9QniVclkZZZZNE5MESL449UlUUll4PunrFpDUdevWKYDqNwJx7.6r0jmWkXlDB2fXGZ9g73ySwNYKXhSJhuhc.nHAccSCZA3b_5Yo_7L3B.26Zm3vX4fCz.b_Xqqzah_R9_R7tdnBCMJ5KxJ6zxCCLVVeA43JDim.wRCb1a1cRsSAJNn3_I6D.v6GhtsSS4mI3EuOoI4JYWp60NR8C_OdEJLtJr0Bp0lwUbtk8zR2l94PkYiXPJd9Toi9uw.vttVTKpIlRZ.fi7wPJ1efpWP326lscmAvszyahRJ55TNW2H3IXVUkDzg2jutC.OE4qUWbjcolZ9LQBk1YhruoOgbpNtQPX53B5y.6SIT.7v_OKBUj5g.JSWbdvAOO3jGURkGLEXGeImAu9ki0QAeAMXe6z7d7T9hP2zePV6XJxgO5tzIa8RbXREeKpGxYezt.4jbm.2fIkYTdqFkeJlCTE1c4_dVJwQZPWZniUPrXJNTiYpT3qtF2bGPruX3ItI60aVMwztMTwlPUKqeTi59vr8zl8pIvSqWtKhL9ALYrv74ke6LO8GPHuf1grSk.Q4r_EinCpy8KquCscMvZcvBeU.0GXR6HdhP77Y4qbo023oY7wgb94HljplcrLmkH5BgqwVsBbxVYxKZe2fBVtmvxDSn0tijl0zvyvEX.fN8hIo13nKTQrXZj0xJxcurUrot09o2rZr0ySHbZOsFuIVFOF.GyzRh7LG1WE.3kA1TgEgMAOMvWi4pNyLpORzN3_9JPd55Mu_XSfqz0tiB37ldLbqZZNkea5S4db7rUno6Ks6RHQYuPKhzZfsolLiKgDh5GVlCXKuF0Sql4G1L8qfBadgJvah1deWpalZn3QX4xeiCjWhx3JGtTMsm5znsXigYeGHR0Gh2CV2klwmA9su7zolXQudswUecvkIYR6X5WzVPozSgMbeU2uY17MtojC9pmETsdmn8xK06ZtQn3d6n03Ej2dSRDgYvNUaNjgl_9q.I2VxTnMltzBvuGpSOeEiZ7Yi7FaJEPWXBx6gfgEt.xrbJp83WUQVrSSi9tuOFZuqQWbRofYIpzV8mgNpms.lEyz2PpEvyn1rW7w_jPkFEV85VRoeGcAsQqkooDMcL3oBDzglBZZci0BhdHY5IzTmmP_rZli0meffwo6kVnE82b3mzRdSG_L.uy5Md9B9eWi1qmZciMXkjxzNU4zCFcWP5cFb9apxuYvCHHRIwEhndDi3yoXGsnjah5H4ouWJDe0Y7FCQ3uNMZxQQYHAytm69iaiib4uFOdi6kptp2aPZhXpaydylSxKb6kX1.oRS.o1xfnsZ_Vbaq82k038sPAelmUHDX_YbTTdag",mdrd: "eieVmW5b2OW2rhZcdZxlGUPoJhy80l9cK0_2EuTE9x0-1739100185-1.2.1.1-C8X94BuoNmKUL_71OmEICxBeqydlwSEpkDKzIlmYzA3gvQbtaRUSIT0qWvuu9nzEsmeiB8eR7415MYRGRX3IJY5R7YdeQGb9bp_vz4rvfRL9qTDM.PUwRIv4B5CiZR2UN3Ql9hZi4bWinv8r_V8f.xNg9L5khnJOnEZjdLRvGvfa1ngvPLuIT8NUWRTEqqDWV96lv9XJrlioTkVVfWFvhg.JhV6SJaS8MYCRJEFs4cZkhAID39Q0lQiXOG1OIiJ9oDjJLIJUzXdP8CknV3JCy4I9Q7aD3I7qi7Vd8vqc87jbRzCnY4whn7czZ6XphUa0.TuyOg5TolP.AcUn_TlCHWO_fTY.kbwAwwCuvlfDgm8qWx4FxeEoQIXU3gTvT2Ub3SySsyirx1SFs6tEnKjO2RpUf1kTd9usWWjoviRgAmkLi5_wOWWbQ.hjFpxJPfqT0IaAloJJBvlEnpvA2.sGhIdwDpSOP2jpe8tP6egDc13KbYh9LCeOXybf3AWrr4MEXIXzXxmooDlbG3_.kH5jjNV8_A3CTEr7OUfmkbcgE87hRPLR3cLdyF6qW2LnWfscqq3wfvDXl4XG4YPZ.6H.mMQSqq8ZeCyiNeQWMhzy6zPw70fv53euFmoOXlQanl6_L6NgU5BboI4n8K3NVVQy.MwMbfZQ2tjLRUXd5DqPdfLcT9_M_xPDcNeigXUDNhLEkMkNPgNjMiUmnWu2r0TAsBjSIJb1xZJe9f.8q1AstjNtpU_zhpbjK2VKkToaOS.6XeQpoXS8ixKZaUoLO_nLHyTgSnbbgCUCcBXOx.JRR3YsLUl4qkiOjwxv1URAXZ3hS4HZJwiv29DCCfq8Gc_YjJotiLT5xr12YChsmLdyZOUp3jcYWCSK2O9wxe3r4zD.bmTntQjvdwxKCM.Afhufc0IpYcmA2G5y5dUsVZvWW4AGr7uNqwlrAnzk5a9laqIoAiqbWqeLrNDH7mLaa8Cd3l1T72UhI5zQjmwSc_WboSHnpuCeOiikAM2Mclvnv0n2VMLZm9JCtzjUX7jd8OwMKfJAPyf9FwO4umcmBQLFeb49MPqAWpmJyAXR0mdtmKaV1SO_RpShxAUk.NmtN063cz_S.jUVE2hW0GT.C5fAHcEP.P8kJCOdArAjMDysfhXx5ABV7UkVMMAjY8cLMKEpsV7s7s_qaffIFjXKsDtH6nTd81l4v5UxGPeogWQpUr4Oiu9QIB4lRZFtEeWHm_PdN43WpdWAreVqonv6ugOdW8WyHicx.AUIlabstjDDXBBOt2sgV7gNI2loGStyOZTVMQNe1K0GQliAgrRpV0i7Kg95GZuqLrrIgCmZXED6jH0G3tkFhaqqsMtrO6.vkShnBqWkEhReuqh7F8_dj50Ny3fOib0U.0Z_2Ft4adeUlyIdoW88hNsBppDmmyUfXFKAWKKZXla_F5heDe7oElex3ok6OoZTGLDcxPTTXINKI_A4XsfOzOPvcQgV86bota_CAnRH6iz.JMd8UG_tP7anQDy50nDAveul_tw4h19_Bae1CxKF0Q13KewvLU8Qq9NFp9yK_3CeEZyOi0ILBctmei5fDIAcA70jYpE9sMb0gmk65bTmER.zNTRxHLXwJJ41HoyccUnfXYHQxSG4tlo7YEv74WALApkI8WUY0GMBAFyPJYj5eem9LuOp6ruf9xBObXjWtnJzGy3AwfmtMEhMADMqle8mL7BmK7AbJfvUTEVlAhkbuwtC9CVt2X7sHi6mnsMzN_Wa65aLJ.vR3QHMb.jyZmq45Rpk0TBQHSsttncxcbGoK2Y8i13kLq0QAlJ4tg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f37c412fa207ff';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\/8502167349?__cf_chl_rt_tk=hcYgbr3nDX86Qii9C5xghmg0ZRhx_2.kfX6W9Qh.DHQ-1739100185-1.0.1.1-dmEbNYw.aMalREuCE_rg0LyV4mDocYWzDt3lIcUJcdU" + 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