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-540959317994.mit-edu.top/post/4786931052

  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-540959317994.mit-edu.top",cType: 'managed',cRay: '90f7b025488238ac',cH: 'NuyAKiOz2XYSA6SG3y0ojm40BoQShHcZ5NuJNh.md0g-1739144254-1.2.1.1-UGVFenQQvF0ZF6sJAtx2m_IT6bLJYeLMvXjh0501J7XlGkKeNNo1liK.P9FUnzsV',cUPMDTk: "\/post\/4786931052?__cf_chl_tk=C4rfRk5uh8ADItHEIsjouuUMcgqPGOgLGxzr.hx5JA8-1739144254-1.0.1.1-xDv2nZw0kpKn_942CTX9Ux8p8zTD1nNe24d3_GyyFV4",cFPWv: 'g',cITimeS: '1739144254',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4786931052?__cf_chl_f_tk=C4rfRk5uh8ADItHEIsjouuUMcgqPGOgLGxzr.hx5JA8-1739144254-1.0.1.1-xDv2nZw0kpKn_942CTX9Ux8p8zTD1nNe24d3_GyyFV4",md: "rKO89pA2TNFl9DHOgVJseOzg9cXmNiPXR4PCMvIhDqQ-1739144254-1.2.1.1-EdfBluCgP.aLkYqKvRffkaCnWl3Z7sadOAHOEpQLVNHnaw4oOukEnXPnjNYye3nUc.Dj52vrTgKixPap7w1dOEq2edtRCFHLuZmqeX.4vtebOocR9RCmUCmGpc23phsuLGkSFyjNIDy.gZ.Su7ZRY2g.DY5P_GdX.8jDNae4of_wCiRjsDn5NRmm2NSPiJzJIEYn4vgfYsXLBqGqwXDOLPnfOVLqcj.S5rWh8dGYamz8.v9oLxQxWZsQ5exjrJP13MxlbcWYmZML.D9KSVlYSbn8Y5kESvxvDHiYKyRmVPhz1HqHwgD8Asm4KVBUixYg7qNciPM1hhZwD_PnevDNQXemXIPL4M4k8kpHUhs6oPfLt_QPNaGCYyiUP3juVATvKtb1i2K3A..lQYQLKSf0FCfRN67mSxrjUAG4wrbd9yq6bFKhRxipElMAAE24fhG3XEEcnzSCfMVzgSmf2eMefKZFMAzf4ALIVfj9vSalSE.6ThN0kqy2s4cWE2QwP6StZRdZ86vNX_F4c2CSP9iMPAWLaoMBN04rx2Op0diMqU8TPcVjoHX2yiyEbXiQvzQTlIt4JXM39O40E3JKzMCt4tbi_EWh_G44rEVR69s9mcUyn2aTNdzkh1eWS4kx8BBz_oRUfegW0HG6wjDiwBU4ayG6vNipNwxt7IGcNxXRCyGNqPyfvLk6ER3Z8IITKxolGfbfXcDqgYF_qfgeGxo1u_bPp4IrO_SzuhciF3c1cv2D5rw7l3E00mDWQGAV4131akYIqbYP08c120V04W6vUXlPggEtqD1NdP_24vM.WUxf9L.mNOKLrAfRTQhRsQ.kP7zrQT0LxCnv3OBvrJU2nG5erQkwhvAaU7W7kT3nKfzzrGjSeHO2gAtOWg5N4AIHhgTbgWETCNsqF2IEvtE_M1EwWjvogRkrpi0Zjy8fqam9.jOgexjJVOPm13SeuoccPZz2y4gW6yysJNqvoSv7_poQ4uE5Tg.sFxUeRw3rEawbX3tcFNPtgnqDc8rVTPvJSVlEbY.uaQRz00ARpbORU2UGj3Ez07IRGfnTQoAxzkM5QWcbWTFBVckC7gdDPjA5da8TjGz626gsNhKt3emhBrZ5LFNG3mZbTzfK7ox5S5EZ4oCS.uw76o17eujxCoWUrBwpqW.t4gxqzUpf9ndYo_un07NBiP3Atj6EkvycCTA2Rp6.Tl0JAzqSCWpmIYZg0BS_jozaNFIjgrE7uRk9ejG4YhJmSizA3dtiB9lDE0P4FPZK9heEzbH.UJCMm0fzdkHbYi4l1hcnS_jCWXG3Bq.sidHe1RhGqtd3YyN311ECm1kfUVMN6diLT2D.X9ThZ3IcLzEjpbqaIkjO8bkh7Lcj203LLk7sMy5sD3IxsB0a2DAs7gOeqLCI.jt2P5pgdOj22inBbsqXLuK4CBcJIepLVJlM_CfR6ct8tpDV7fN58Yfa6M3zSR_9YE6JoHFM5q4_b7J8q8EyeMOFiAGptdVSK4fyAURq8sq5dvNZVOvhjHlDOpBdpn3sP3APo57JQzDm97egA6YBQ2aMavSzh1bvRtZJcLeGm1vCwW2VFa14dQSA4r6DkbjMzFGpMHM4.ZC_t72iogb36qB7Yh0lWBHXa7cfJNG162gto3pIqVhKrLonL1.KbCPnLjgDFcVZxlXQ_3ZRz4i2IE64oPSZoxfbs.FKY0xg6fNG2QRVvR4I6vw9UM_eC.rXR1lSSWZ4M_qD0PW5qvXqD3DwtRkUgN_BTLuKqgE.fPOe7ahgMHOVhA2hTJso.j818UFKiYAeYOk3igBlwcLo6LawjKP1WkiKdfCvCTheC9KGPORF5uLab7qWzRlhM.NXK46KsdKFjftsg1s_Lrxa.c.MKl2v4h9XlTt28s8esZuv1ZE3keRpvkchYwszXse0J_cPbYX4pUu7aAO4_evqUcUVtiGDvNMLVjr49fnzdvP2axLY4qEIeYVcNS83q5HHwKoT9RVpFQjO8qHgsBeGRoPrG7BlvrjwpOYqQgd7VrqNVyd_tCEO6Gha3U9VH6vAehj_.e.0puwEAUwBYm7m4u6m6._WQCMTnISab6qtYMwpvK4P60Bf3HG.hI1utlUn_BHxshtjzgBpv2VhxbWkT2kIBbKnZKkd59tW7FcueuDqK8WwA.GsSaYmw_q0iyupO2GK8mrv0dS4.pZnMPWqbdtHLrC9196wI_oWKak4j0YVWNnZq5YakKwuzRg6hxSnHy2N_7H0",mdrd: "dDTYWNUtIudxiF3NLkB9HDkdsXYZp6FgFvHafguAzdc-1739144254-1.2.1.1-QQh3mBdkGPbL_6tfjrmACNzTVxWB.Y2m_PIhI_AKcN_0sxqCJEVkTuvseXhHLa2F2T5kst8wCXC.DUCy8myO2.JVOm9bANObE_GRLprwWQVbpWuBck2nR7CUpvMbqg5S4XuSXLy8iAvWeebAjBkOgx582V5Ru8a9uLw5LZdTON7jnx1BXr8bxZK89IvKlrF9lCGDSgVlaRTziQCCo8MTljuv8061wA.CUl.uFb0OLJeSdShlGLKtWtGYJCl..wmkJ7Wrj3J59x93t0iZy5YKw4S3PE7j_a_8KRDynzKdKiOlPq0hN66krqKfAfncgHg67c0D3XhPx6z9AD2SITzR7l3yhwK_t9d61z8_b4stu7f11zcQ0tABptdz9seoekQy1Y.y_bmrUDyMu3hE.j02Xl_N51byErB0Jg5Qyv_LlrVCoA77Yju75bFXDPrpK6arXYnZsVaWE5ETRjfB2lRhpCsZdqdIOcT5hpG1wVSSlEpJ8drUbqOc4zIMv6ObPm7rtwxYzoqmerzS_pIC14uHaMQD5AaBPkbqdim2oBM7e4VlksSdrJWpAF9hj0rG9gOpJ0Opk7X6NxU6OGR_uhWk7mvWyp02dvgG.UqPwUVzLaNpofwqxKmITiEDZeBS0OyEa6Q0jwXlPlAR4LGUX02c4GGNLlkXuf9S4xps.4.hlxENoDjabkyOvtfP.CPXorGqTUbMdhH0C3h45W.5.ZiFNo_cb4PVYKzfC2lSZ6WVCH5r9CLPq7yKQBYNTAQCRIfEe7Z.II9Ojygu651KOOPAzKJMI58lEuanxhvP4TSkM1BqbUIYR7YezEdiAtz7S4MTQFgHiBZlhY7VmL_EXebQ4tboNFjMqVYADrAObECRPt2DymeRl1.uTxh39OjzWuxn3f6lH_7bpS8LsM77ytp87DJopYOliDmn_EVbpuTNgKyu_ybWrAMaBorKwT7MDvGooha3brRbb9yoUuYYtJDjNo_RtL5jxUyy650TA.3oIMN51dtOPdwasXEiCHCKm3d6IKyND2j5dl5KDRjVrmbyuexL.5t7U5Kqj2By15.AMJagcKTsVU17lBXF4fXq1TSqTE.nlIWv2LxD5FbE5E6svKe0Ep3tXAcbuNEyWlE3_Ovk82B0NSlCec46MMu8YBJ4csuRKj4OejVv3svwF.8biqNGdbqpiQsf.ScE_iBBu30WhPM1NpYemmzo5rKPzcqsyEfAPOPX_3sIXhpjzj4UOrKaTPWi_fi9IO2..GpogYHxIswBGentMxXfu2lgzqMAK4CT8o.ANQMEKmX7wuEm5pmAGwcMFn4Kb8DHx6w8WbN0_Af05joTG4TI4GT6_q3_RsJb8bnwsJGKo7EswPTNyCc.DnwLFVe174cm.xNx96WbLQ54jmfKpgdrEH2iRtWarvvW02el6V5oGgIw5PIxwJNOh_G9Vt165TOaUmYd6QlzJaf4.IhI2g3XZXayf_fEREK5ouWV_M.Rm_L0HsQLn79ZeRo7tZX3y1jvn1A56HVbPQfDRBLo2LEUZek.BbCEeW8NJ_VGPNBwY6.Xq8CLAioJLeiRbYxJ4rhUWrHuhNQJiy2Lv4txlNMp_DXnzV0IguBHk_HboyCt3GGvsB7jGi.lFE_OxUCsuLXrosPdCjlKqCAyW7NifmAC74qNV9a.KXt.ThJ6pZJf3C9P2orXwNHPnfgREk78UchyfGNBAxodrKUiqGoRyItPTyITOtmBV1EaxMejkv5yhbQjQ1QaQJUvk1CPaReerFUFVjGtVFK2jK3McxY65S8Wlp6sxgWjRoZ5WyTyDAJ7NnkjDN7iYrzBbhN4RbBayOVvsBk3yvQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7b025488238ac';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\/4786931052?__cf_chl_rt_tk=C4rfRk5uh8ADItHEIsjouuUMcgqPGOgLGxzr.hx5JA8-1739144254-1.0.1.1-xDv2nZw0kpKn_942CTX9Ux8p8zTD1nNe24d3_GyyFV4" + 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