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-212391795965.mit-edu.top/post/6407213589

  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-212391795965.mit-edu.top",cType: 'managed',cRay: '90f3ae716e838205',cH: 'RXld18i1kNINl6S.XyNFsQRWk9rpDRYMZ52qXwlNgDs-1739102241-1.2.1.1-Ls.pHf4aFLwQqq0g3l5MfR.mgIArKFvRnmLm72FchSYMPvH4cwp7bh.sEJPUyOTw',cUPMDTk: "\/post\/6407213589?__cf_chl_tk=pmkWv2a_u5ZH_F2iH5FNVTozYFNQceVL8hPff0Bi3Vo-1739102241-1.0.1.1-1lKJ8MsqguCIk6p9.snU_GMF5PKeqNB_LRwdIIbpFDo",cFPWv: 'g',cITimeS: '1739102241',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6407213589?__cf_chl_f_tk=pmkWv2a_u5ZH_F2iH5FNVTozYFNQceVL8hPff0Bi3Vo-1739102241-1.0.1.1-1lKJ8MsqguCIk6p9.snU_GMF5PKeqNB_LRwdIIbpFDo",md: "F5UJ4QBjtgGV3yaXNl5dEJhxLm1U1MiFaUn5eHG.9Jk-1739102241-1.2.1.1-4KF5hHb6jPBjzovI5L0wFZb0g4qKvIwopWgVb2o0426CQ2szsQxPqqmPcGdjcICigc89BTVfFdYoLQ5KbAAtwSCGuTr4CYxxEqJgRRDBqRkFZGASM5hwtsRO8daRFyaAnT7quulPtNPmTGOYxKIiZu71GnznnYtg2lAru03UOu6RE_QnnNtnRWpQ2TqFTjQFgsS5wbysOgp7fbGxLTW6jviMnEHZmbrzw0RRgpfnK0RGO72zsentJ1F_1MOIXLvgNUWPMoMkDyR.G4zX8LBxkO0Ww2PXCMpzcCsVVYprADBr8yZYOuQI6UxeOp_LsDNpH4P4AvZZ6SACS37yid3ZJEV5rxGjvg3JmhT9mHYFHkjRcNDTc4N_yP1y7RNlJowWhYSCsGwc4gY70AeErmOoDJZofoCq53lHPIO.ecYwauNPvxrfFcTuM6lB9r2.7Xnu89LTcxnt7JYhAIUjV5pfKX.Tcem00T48YjLg1caWoMRqwmL9HSuFRrMww4LQ2G0jN2BVxsSl7SRWCZlzJy7F59IkOWp9XiCdUF6HL_JGPoeyljR44e.F0KCQGJzCuVWY0vSUDcU5aFmR2i37cPvTPi1XEp9xd0WQdH5iqzOH.n9Qd9lYazWxuIKmrjiHP.Eg8qFi5s7jbvYhRj3nI4wNgumOnuI0f7iM_3Ki4SBzBE2HKkoSR5BfA4WaxnrPnwXh1nHUre0O7Tm3Vl0lQc.Mo4SBpONxzejOlq5xTU5rgCI5KzbrCN2UHjwihFqX8i8a3SbZdbM3aKI5FRh3qqHUliDOuBVyVVFLMvLa46lxxkVawjXtI1xtXVF4xwN5jPrWtbeDaAnJtjeEhhxA8rCPcPSqIY4wJ7wYqL8B91YvAaZ.iq0_v3axOvSO_nXW_uLPZe3VQDaOOzwharc5pgDWjsGVWkW4wwVw5p1V_55Rpri1vUYtB4yrHRhNmIAb7_xKTas8SWs1SagozKQOs4uOMskOnt262GokhmneTmjgP67We0kL12_uVPgz9k4QaB05cuREN4Kg8qGLPV07TSAExF7RxHucyusJg_.7ndoU_rZDk_dkRCmR.z7RQagw.paYgaz7pwJEAQ5NGd.0PdG1fNiAkufboxqIkBJEeGcdfNJIdWilrUtOIbh.IqhBRfndRWRj1xWRLd3R1_q06iXsMyfZ5PATnnwk7L9ofk_EHTURhQvzgFMnpfF_HTywBEJvGX.7XjITBxvtoBxQdYOUOt5mljw3cFBOl4tBQSDQpx_G_LeosqUQ_sz1tF17yFFU8JDLDO8faLZpnpcgYBB5AngyFw5vadsVYUhKsA4pEuHCOAptVsrXkmnkUKaYQqoaLhBBushk_rmYXT9mqp6iO40_AL2occpjr9euCPISkpG__HMo4M5IqzUMwE.7akkxczHXo1ffc6W8NM42DPcz9JKuUixO9NgT.r7wy0fSywFmFNy7t5BdKGQVAP_oRTy86vF8RrrnhYG3m3aq4YwjaTBrnLdCfIeg0WXR5rqhTtHVZ38D48tka_zwpewWoeyXsxi.jsyCQ7vp6_VIAtXhImo49GzeWIKjzqh.e67NI63pbk1eO1baJfxdPCkgkd2LUz6PWBFazGmqGwmLvup4Kwtf73GNPDKtRnm3qA6Tf58dBKWGcud2Gr5GlYVAsFRVtD8DA1XJISBKwDigeNaYEaANR5L3UxyAIXdOinV1aQk4KNqEcVaXXrn4bo0SkZVXPmJPMIVo5cMTxtlJc2yW.K1jqvC4yVoF7uuCEhb7eYH8LbAoTEzh9UxwCsMoae4rh1pq5J1MlX3A0R0XpcR1feauYJwsYCN5RPGQ8wOYTd7SyDyenJeP5pzBaRsJJyj.wqHXFP4eEFIKMXM5KMubJzj5vgwcixiVVpOMKEwkD.QbhWKBmrGlq2QIfKMPknHiuGgN14qxT1o2KcqjVJ38Z9vOvqMzWBqQoJdTl_dpcd.R_xOuLaui57oE9ExOIE5MOmMbAF.ipL2458MHUZH5_HikL43e_3v_yWF1nxALA3vsZR1VlIUbgJ_7u8aS9GPKCwknQxH8uwDF5ZDnajKCsbrnkePJPQ3RXpo5jxTUzkgdnocs.Scf_r6t.4iWSv7DueetXkIzhRcyCLPLbIIUvcEwNWRlC0EiaD6Pn2nJ5d1gNJL.GWxWJqFSmewf3Xa9xsSpKC4_Rs45AzyQX3hjpGoe3WYFV9n9yoXwY0p.vgttZf33Ds0ltMuzD1q3VeBn",mdrd: "GFfdVzURBpFlpCQ3EO2F8x1eXtjVWT.f9JpaSxhs2Xo-1739102241-1.2.1.1-LHRayfCV7itN_WEJpPunnY9uyaj4d2mUitpS7jbQ0EGBkausrN8yU8kEqUzneTtKLohPYTBBEtluUUMu69jf_QJNyW30BPN0i3xvucdWWCthFSJ3QCjx5QYdkGtiOyCBLPufikB9RISvQvnFXE9NHpnbA1En.SmvA6flfrLEH9IoTC4WJazcm0_u6BngcWolPokqji8RgC8UA9fHZUWnIS8a_bGB6s72N9hGFdbTFprQwW2nsaae07h1IRDiWbCnLRaB8Wm5FzaRH9lbdXYeEG4D_RzPRMSGbpT4NcPFKH5x5kUpHoS28GHG0lRsri.k3Jq81jnXVjd.aUk5JQdHvv24uzqNJrc4KyXmzufnjsIeGKaw81fthQ3cCD1vpN2Wdix4mUGVbCnivO.oORZNRqZqx9o4pJ21VYyDrS8TDwq8.xprVa5S9jOQwE4AtbKPs19Jhith8J2Lr_EtUx15_bxEM7MxjwqAHvpjAQ.YrvlItgz5epb3ttQkOZDKwUl1fg30fm6LCf_NrHvTx.YYu5AQHFjY7jboEeqJbjCsdTNlGoYHHDu0pKM83k5Hm5KYwR.PgnalPeMIORER7CuPENmqQ5tOgLalSagh1TbIRHYAI2il6zlyNjm6crAESBBEhWgrHMiIixSVvr1341Lahq4IiBDUBDVez4lQmK4VLPt.I8nLj0Wt8arl6qfdeBq_t0IIp1FPZR_FMZLeJKSb0XJBOTBXiiyl08JeTfOBvJmndzlZrQuMfS9EuQnT4R9h0AvbZd3YY1EIWh8B7kW4IaKU4_PdxOFuGJwSpNstvgrCufGNjn_.PN_s._y6gbdaSASLRKAtCs5Rt3Ab_iwBKSjFXBeQzI7ajVFYR5Pkrvl9XvyzZ27AS7vz3WZztaX.CvK7K.qQ2ywUPP2CkZ.i9BCaqseAPadJUCchfG6A11XrzdKYPOBXP64S7dmi6aD7dbn7geOjZ2KqrJvDB7FM6.W1mRZglFGXlFbcD7y818QJs6_.4qBGSqINNZMc02cvYBN_rkCvLhYj3pDQBLPhvvdABqvewdDGAcl7ICRhOH7pnn4w5N7zfQlyxcrCZlDT.ysvGKNEi85LshdV9.0ZbutXk.RqwKGJ52PvZO8jKaZbkZxdQnFw33FrJGQPhgH9bray_VW6dRIG3F7SwUqQ1mHX.7BHuGvbPvTzDZxZ_7YkgG4JmN_WLjQ8d2RMqKkO25x_PTTaYKYMLfIiwo3Frfz7s1AxQfglWE.m7gTh9QqSzYZ08QGZxa06WpqNVsUokVwDp8zSFtMnybS71xUVc05q.xgyw3gcvL5H574s7yPZUH2TCeW80anngsEAqVfM76pySZb2IVGdMX0XQf4W2vt3h80W82rA8vybiuu3d0zaGN51S4fjSz0uwV_tqCRpX88JMAxSykqUlugC1mhaLj.zw3pfxNaQeFCSynEYQCTJMkPAufw0NR6tgTfhjIT0Ov_rPofln7AodG04IHL09_AXF1Qr7J62AYnlK.VKpwBh2C2hgL5sKb2p6JH9IKXbuSHv9LQq0U0ud6_c49x1VFQz3UxJmXt34sQW02DQFUzkoYmI_m4k9ZxpIE2PLKmd2HWMXHV2kyVTBKBAeWjSb.mGToX4Mbpd6v6vEYxjx7GseztL5YXgC8Itvef6pVtvtQ.zu.oC1i9ophafe_ioJVwryQD09ZKZY1uc.2GpLszfXf5a_qn4.ifTiZOyE00wRXKcZZruM1AXef9qUMo702_l6SslaRtbVAEiXR34h206Cq57PAOTBxu3_0AkFXwRb7hwEgSG1l77qG4MyHwqmTmj6sZCywZdPxBTBVGZT8g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3ae716e838205';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\/6407213589?__cf_chl_rt_tk=pmkWv2a_u5ZH_F2iH5FNVTozYFNQceVL8hPff0Bi3Vo-1739102241-1.0.1.1-1lKJ8MsqguCIk6p9.snU_GMF5PKeqNB_LRwdIIbpFDo" + 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