for Atom and RSS and KML
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.
<!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-667801707639.mit-edu.top",cType: 'managed',cRay: '90f1a0db5efec920',cH: '47XoqjxjwEnFrGNa05YRUKvou1Pp.HVS0VFUwicm5Gw-1739080713-1.2.1.1-S4fCvCAugTSBaQhYCE28DBE0hDSQCYjaGCvmM16YZJEzwh6TceLml60uHHg9HpG9',cUPMDTk: "\/post\/7932680541?__cf_chl_tk=49nfbff2.suPST7g1iU3v5_8RlRo4CS9mMvwlfCKgGU-1739080713-1.0.1.1-uTadd5DE4lYW7foR0cxz92TEvFKoHD4mLoIAF.Lv5Zs",cFPWv: 'g',cITimeS: '1739080713',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7932680541?__cf_chl_f_tk=49nfbff2.suPST7g1iU3v5_8RlRo4CS9mMvwlfCKgGU-1739080713-1.0.1.1-uTadd5DE4lYW7foR0cxz92TEvFKoHD4mLoIAF.Lv5Zs",md: "CMe.MpT.4J9TLk8du1lC6YJNy5NAMEHw1SCxFdhXasE-1739080713-1.2.1.1-nbr5iRZQuoSe0fNN.cOmh3pW6Gs3rt8rTvVsoui6SFofzmkeDWYPztsvencFBRjsFfbMq8VTYxZtYLc0xETK48i0cjnuugtDZpztXIyIsg9aooXaH._kVbXw.Ix13_lpRuHxqvk3dioV6QGzemH_Jkc2uNwKTVot5pnQ1gUpiq9J4xmhyzhEbe9mTTBlRg_MR0iLxMb6Skr9S12xXDZ4cNu6ndGrzaQphNpsbVRP3eLgxGE3cbnDcWWaiwBJ4dZRnC2eRlT9R0sdy7_3zaE13X5zMsb95ICiE.dRzlhpkYmafi31mDXGJiZcf.hUn0eTrpxr4i3Se3l_jlbwvkcqz2_oPtq9R.xufLRwklXvqKuxibMj_S34LmdLsj7k1Hsj49aXyntdZYH91vW6kXeYrngl1Z7QUW70Np91udm0NFdeud3NQYZGbRLYb26kxhfGLXP8YAMVM.N6qCU_J93jw2rZVb2RpvJeqm1V4__HotWnDLAhvaKOW1daiI6ED8..x_ojN_dvK.oT2bvnt_q4h_8npR3k9jmKgyFeQPNRBRmloXvszAwJ5.4ePja1rex.yT3xBbFRMcWdvtXLJEZXrgfa0nqtFbHipy9wggeDc4Qe570bki1GC7jwqoy3ouHZC9HUKFGJPpsPm9CVJn30cn1NTE38d9TaSVtyVaTnQVul8cqogxWpxzT0GXFP4_vpKTPpQQR_p1vSso7OmumiepMBj5_rT6mTqR6kyFTkopabRjfx1WPOflY_EyXh.3DwyWnUhTyv._.rFFKFvRu4I4tvPNOvAHE_sGkxT8cTnZReENc2.o8VxWRCYi4FKhzXxJbyaGGazAeJqmPHJ2ISMZN2h8aA7PvUdO6z4dNkw3e2urOH4bSgyC.w.SCOK6KYp.2VmQ3liGXmQC3_qCx7jjqinv5cin.HQ_Mo3zZRR2DXvBT0jar_0y2ZsOVLtHYek8r_5rUBU4ICwfVChX2N9Q0T9O2h33J2eCW93vQ7v76B5GkgGC7JRiMrAK2PpglqJnvLu4bMa_0WuE3zjfYWSgizB1DSFqcWqdYKQ3gn8qmisowoLquld9gXyLADhI03a6x7_y.1UmuVkqSvMx.G6uu5M1LGdKx9xqX9iVj0kb73lQNUY0NpOBv0BuG0ZKMYGkQJf3V2My4BbnGwGijA7ywj0BWhdnx4BKQ91Vi1lyooSZo15.U9cyBmdp9ZMknOMLnQR_8E97jXhwjeMP8XwfQW0aC2uetvRjaU7yw002KqWxJ53a_aF0RJ5w880.UqO6JJ.ZV0d4Zo91xPBithAVHKAenGQrPbHcZIURNSaA_AyAA4Xrlxk.74f3qDmI3gKIAJ5n2rNoAe2Xb_LGD37a7gIOTP5B5lG5AZAlWFl0vIpzzR7j_QNultAXveZibdyF.kA_Nbr75JzIffckY5tEdb6o.yn4WCpOG7mJhUswulrN2rZCuJGe2uU1lCdP3d26fz8BKOS6m5y6rWZYeChOQsVyzscHtkj5v4zIfR.FagUfqGhnhXPUxEWCZ2rhjafpIQoemY0Nn3E4ZaFtPQE6ijDIUzbEierDpZpSLia49wXdTTmHLzT67SxQP4ewUTS04o03Vq0QBSbHXqjfJMaJYQroRT63TjxiV151WTo6tHOrrC.ELKt80Dt4AQUAYz9TuhREHKVXZ0BplzEd69eJg.RbtFVpmGwhcx1tSTFIk2MMoZSYbYNOSCoet4fEts_607pxCGG4NhNCD.tLt.Wob2BhW.58htgn4nDU3iqal_wZ_7pXeosIs_g7OLfU9JQ9p7ZN2VM1DrclkiFFPWq69RKr37tKpJ5i855xPMNYO1KWluncIiFWEIJzsp1n8CQ3Ix7EJeTwLTw8wXBNl69zZCrlsOHdqkKtdrqHwVx14cZiNpKE_JZ82VKyHKgZdW6g7Fwq.RfWQSBXbhT82pjx2Y5woGUw.5a0QrluUglpUET3czShMsHzJmAB_cK7r1GErdEFilR937PO3U4wvUronePBMpIm30y_ddvvHBVK6q3u.uB2VX1crS4VDtG2yvGjNYya.q6mkr3Rt_WgtnxK6HMi0s_il_IQ7JtlwndvnPBNsryQL0npUFabLuriOxniZ0K6Xc3JLC5d0oSkSJFGaQrSxiMM2Q9Ig1UkB0jPofdnfg.HyRNiUY9KWXpFzV0xlMwX28coVb4VcHP6o.Y2S6GFloO5rKTSxBh4w9MuumLDwWsVfhKWD4.JAvwiNU",mdrd: "MCObuhZc4L4FDDv3R.D5ExHv7n.PdYu4x15rYrBHcuc-1739080713-1.2.1.1-9y3j8exCX75u9inc91LyhsJ0raIDswMrEZJhMv2zxUf.ZldsAAIMmY02gSYIIysuo4gEdO2g3jkBkhMJIgLr5L7m.8s3Q__CCDWlJ2_afePVuUzyjix7CSh_Pj4LaN1dqsi06poFJImIP_WylOds8wKL85d.zkgl6W7MyDC_lljVynUuKp0nWBYeuUJAEzMbT.Ut7vw93APl2JhfdjqbqrxRSfuR8SmZQdTFNjx9vC2OR5pzKYttN9IVnRhIg.dvjQSinvFxHHSm9nZZgqvfDPfO7NyZxJK.i2Ak3uAmI7Qk_IMLviVkOYqilTHm1C648fIG2dW12NV9AwBw6M3u.DvBQ2YlqVd3Zx1ASY7BTRjpobom536UK9i2sXZObVtc0M9cjdy9gTeyNqEVRVscGFm.jUxHzWhLMqDvLGvNqBhUJUDFPxWOzOEPmuRtU2umJb79mCRKbZ6ggkIedEmklUoYP5uIUzK5VAecIrfP35QT.eTdVn9jCah52lCM4LkHtnqvRxKXXUbJmpe61nhZxhJbzajFnCNOQhfeIo94VTdDdXVIQTx0LPvCnok7u6g7aautPR4rACEJfUeiG5_4Myqy7ad.1MIJ19DhtWZkDlk64VklSNnjEl.coxonNHmM8bb2t_TqjdLggzvx.r9wiOwQi.Pe9IWGDYnZl4U3IN4u.EK0S8l485EXT0prbH_e4aNDTcMn6cN35LLoL4imRRfwGy2Dr.ldCyN2bo3oa93TlMlj3pVA0j9xBbBHDbSV8309CbBovRh0Y3Bl_V4Bz_Sl3HDdaa4xkpIoR_dxEUr_2KoD68j1J2r.KUPBtfyNS4s0pYq176YCDDSCjk6zqYse1YNmLVK5vYGdHAvdmOYcCeNp9CVfHHQUhzQIQ_9x3fHnTEifE0GqmdtW3KjF7Teo8qjLAyF.lnK6DN_CHqIQnm_001PlLTg2dpN9hO.SD17G9B3PiGz2KAV9lY38butEtaBBrIMXA8yvfyAd_fn2VU6uC5FnJ4wHP7oWEdTr3B8nS_MnYRfQJsKonJzCi9_pg6zzFjj8K0mcupFheW110qBO.HXPom_16q38U0MmoWSfrWj1zNRwOHUwjYmpLP1TIF9x6wQJYIs2pUHT3Llm5qKF2bUqP8ARbQ1JYODwNWRanB2Nd4UOOjm6RZATXinZq3RpmqEwy6vUUbr3amtmVogUwl2S4M_4wpGKM42AGgfb7a4dc4DDJ7p3a2000nkWeY816DHrHstLA_H2dGphsGwATBJNHT7_AqAyuVvmyQ8FA3ThY3E9fEVYPUfURvygAHJPTVBbNS9kIevZNCu_1h65mqVEbR2RzMdJ6zSeiafbk8bOa4k1giAsgUAuAVkZKWB8JpGNMVpzsUaW_aLmUKEdyGhnVNECcdMKUZjNAyU0uMQ_oK.be5kBacE5I2VK_HdzwWhEQD0BoHT2JDYI6U9LAi8zEDa852rWHsYFSUX935cT4B3ix3k4b4w_1GbT5ETbcTm6UBFoPVux3QUzew690juBuHOR1HKe0hc_8vCavMekzLBcO5i8.pNmF9XoBn35WFfpxoyNK5mNsEynllt8TVtXL3_PtKSGdNAmC.SD0OWwrbl34v0lwtJHHecBEGpS6rjBeVsl4Uqx8ULX_46mwaQPuAAOjYXxMttMSwmVy2ZSecYzLtbYCLQYEzMpGJsZr_DkNSZ9tv9TYsuuj4NRdH27eG737xqCvazpERNLIrznljdRNClFAsIddQLE46XKy6DXuUEUijaIw8GAZD4mpwiFMnYtgLZp6Yb23clwfuc7haWMU2oXni2t._bhb9bLi1ienA_GWvmUVSQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f1a0db5efec920';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\/7932680541?__cf_chl_rt_tk=49nfbff2.suPST7g1iU3v5_8RlRo4CS9mMvwlfCKgGU-1739080713-1.0.1.1-uTadd5DE4lYW7foR0cxz92TEvFKoHD4mLoIAF.Lv5Zs" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Home · About · News · Docs · Terms