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-300852989824.mit-edu.top",cType: 'managed',cRay: '90f373733aab1ff7',cH: 'bpgv3wKoeKxUjiq3OG7xW9GOe5YHifiA8efG.h4BCIk-1739099825-1.2.1.1-3FFNTe1jYddF0wwJYb5BciheqSss52i0jC.9ahMmNe.N8AduKWuqOXv9Z1E0kW26',cUPMDTk: "\/post\/0632954781?__cf_chl_tk=fXD_hRr5B2WQr1FdekBZ17TQGBRs6MdiA7CG2HPYFhY-1739099825-1.0.1.1-dM7p103fzsXjl3DTHCm4sH_7_ej1SdDRD2YDrVxWL7M",cFPWv: 'g',cITimeS: '1739099825',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0632954781?__cf_chl_f_tk=fXD_hRr5B2WQr1FdekBZ17TQGBRs6MdiA7CG2HPYFhY-1739099825-1.0.1.1-dM7p103fzsXjl3DTHCm4sH_7_ej1SdDRD2YDrVxWL7M",md: "KQe5rEnkJARYXRSE64RCfxcyP9.BqOg3sjgnGe.jEBk-1739099825-1.2.1.1-BLCe6neTz.vUXEz3tY6QwAizepykOKDaox2JSbe_56HNLHSjI7mmF0csIsRlv8YX.TJsSJVV.v.j9w.4jBh3Gi6XFUnxo2e6DR4364jZ_Qf.1GZPirQQ2TIIJf9zLuNZOHpRuvrrCMQ95q7UkUB9EVe2T8HjPKV0OgmpV8bW5AxZsNSyzehQEfKcJaBY13TlzO0gHzzXk12V4tAfLBEFTv9PBsRkElc34R.Tsp7ONRakz_HDnXA3TvKRXCk_yBroWXNOgbvBXOhL_8.X_eHr4VARjOMF1EnTrR1HuXU2iKwocZV8zv5CBDWlqZJ7QztotB_KHXUsVOsiA3IpNFOTLVvWJlNPa_RHKT.cC6uZfpzd_fNw3bJqJZoUh.Iz60z8BJJu0olp6cDidW8Z403jgLiR8gyxMy3ndYhjJINOaxfPT1R_l3Z69xkRY2GgjYAqtusjYfboeEtj0vsJGY4p4xQGp_tOHDctDF4LqigandjEHzUmBE8PNOKROfTZBTaXwM_YHGeZqYnl4130qaW9SrLGJ4t0DP_2J480DUaTJtN2m8YHiDUXvAK7MVm959Z8XoNIIxVbovzVGBcl6_ZrjFUFn2nXqoU3qC0j8jhvRMcyGj0Z3sm9CI_POhr1z0rscmAM1wNUphBmgy8rAwGzjiRioeRIHqQ5DkJWvPls0vy2caxlJ7uKA3N5zw0CfnXUo4ACUNpKQh7SErgcCPWbOdmTE9o4odlXIEnLmONBFGzMvpLTkXmzXrHPF8LpEQTmd.B7ldcQVdFs1mWkp5GnM5AQ1h_rylUVP.IIYb5ZCGIYstgAM.smeA7C_s6NC77RPviEFo4kw36eblr7RYRZsz0nV0SQ2omFHPZw3mni4diDdIpuHOHMwOyQrOFca8le.VL.eOsbCC0sOfGCGoTXPH5cOVVVNWs6TbMzLvK6O.BjxPqgnQP3U4KdvBAQbyw1mstYhGGUAoHlrcGRSu11_eUcpiq2Z5lYT8g5J84wdFptGxlpozNEK0u6tOY2_HPa79TFYToxVh9VwM67mMQpfNaHv9Y.8g61G8ZxMYlMHmNK3Bf2MoSy0mUc9r_rqBCUtPkTtS87pMtDuuGU.gG2Lz23pu2AoPqXKWl.2Tf55sP.TY4mFHQKjDUO7w0cRr3hio1X4B4EHRrE0BXs.bRA_goLCjmcnfCC1iyhGkF0KGEsTwPKGWrQjKBTx2dcaORVjw7GHJtDyAUi.xqOcF3w5kmz4AY0j1CfVTI4mO7eIEgB33dFqznW1aX0tctHYI7YviHdgHU0eKpqMeArSyskNoro50Ss1EFC3vON2SBH4HKClRMN61crQvniJzrI.4U4xLAKit0l86FgGWbkEDb8LqLKkfcKHXBMB19rlniUwaQSKKrfuz9saBJYpuRmDCtDhKTxETyzZWcGF4BKvH.UlWTyKkP5OdzMu4.nHfK6iOYo2LDi9lQ.jD7TfWuruTZ0kkCb4D5pQunHoQkEZY_mL83YxOneVDXh2QPBGHIJH34maEj4L69r7e1uuD_2M5MzXhKUPl.OKyKAEC2TR5EwBYSE1Uq_sY8m0geHCN0rmVG6NydNVlmOLQuCQBP.GECCmKn1LQl3CDK1L2Ikfx_NsXxBrdd1Cr9zIjZNLd9lDcmSXvsmhx37NWYgTHIPugi90XB2fz.grlEjAQAPRvCUPYOf60qiSdvGS4yM.evbCNVNfnBxKy.lgsrf_O3_Mv6xI3qpFt0t9jHszqmJeHETijzXH6ropESvcUiV56.VPmNFAk2a5l6E2RDKb_gH2I9MntNSRQZVl4smAEtkDCssOIREvrsiYmy2c7c_3AxnAF2Jg6pfIYDRuwg_rbSzTwRCR0_0rJEiXrxfNs_p7aZsH48LAhKDkGU9gIdscY7mdSFk8dJumxVpR1IkpGPQC5k1F7z6URrTYDuksJWkVrsI3U6XvgUQk7J6oBTOTFZArxElHPRR.88lpkNIsPOdPTYM8.YsWkpk22f2iti2dFq9uSn1t.wLphyPskiofJJZivP3sAcKQun93Cw2dXiFuqVLRpX5C3AkGITrAeHj3qu3d6lK2BaEeUOZVmCAWlxL3m6pTdytQvyig16lzF9yEU7CdzXSniKwragila_7J1ONyYM8LDWS_Tfki0gfGbrBgFI2diW1xMxZ6Nx6D0mIUhsepdTs9POKliWXmjP536OmmsAYaAE25NY.r38BIBAw5xmT.j0DfnuBglKfV.VRFAwH",mdrd: "l1tCfQL_uvFW.i9bXQdGHFsl36YeW1cILpV_RfP8eF4-1739099825-1.2.1.1-YIHxp9wUWflhSKuMKfejY47wZXJMwgTcbN.0WnzWeX94wKEQttUQ00Bo8qGZNoLkcfDNnr8mpyB7vrGbMwIEPqFc41.aU0PRPGItWpWcqL.QgFqLO4Ps1HMhbM9EAqXSo5u1CbbRzsZldJGpY7erdjFow6bYQgtt8yMwccmfSoo5y9Y0jAG_jldv8jdBK9V.Xqj4DUhKKb0Kj_I2S68Ad_NDTq_ljQe2mjj9u4AadX3Cs7esThF6uPRO08XQgNoitrpK9Jccb3dSl11ucw5fL4OxJWB6bZVWdmVGUxm5h3ZYhgRcMaUnrPVWYNsM0jKvt48Bl9YOnRdPUMsYfbz8nJFDYhq3wdtKCfvtDbyzNyxcgR2hAuMuSJmPCzkBRyqRHDi9sYk_LYNSDIFyRK__5bqGk8aba4H_rzVfaR3gV0GLlbF2Nsks4fWVS03hir4rqVYgtX6kciPbUUATdHf6GRl_FpC6WmVMO3HUVcGeww3jKq8sQoTm9pXfmYSCzZjY4hcUZ38RY90DUKhpiXbwRfVcBxSkmy8IY7VyX3zGBOlyX.QaP2GcDfG9x_ZDPNgrNWW0K5QmcDA9zC5H4Rd9RO8uLmIs_hrH_y32Bzyo8y14eLHZGa6DHC46i9rc4cBOs7vD3VdwxXOOzKQco7XJ5QJKPDouB2t_GZ.xGJAZpGl_u3IQqnHvtLbETh.UhdJ1QkDja9YaWzcDTQwgNdnMf_fFkhroW92ER1eyMdaPmSvODUaORNKHJ60hzt5XzlrliBhG7wVO1qDjJbtTXgcxYAwpCKnjkEJrqXKdi29PO.S88Pq6e07GJNkxWCJS2fz.vz905MliSERPRcUB5VFuLz6Y367gfwn644N7VuDzgJwRs_RHwX4C8ImaxfBzTOVR69oUW8s3b56VOrzFtbm96lOUGkVq.fudTM.PLZ9Sgw5skIjPo0.XfW5MWyxQGnF1Am2oev776p1Z2IbfWmphDNjrG86u7NlzvhvHQFQ_kpbvdYfzH.bOKG3SdNHoeAPuUMjxhn7ZmUcWxhISVjbZlM6613GH169nB_tkeRdotXsL3Vd6wzLGVOStzMChF7bvl0WqljPfeHCBRtTHDO3BGaQbNJ.uo5HS1_sEMPIm_vgaY4z750esoPS9SvPqi27jJsl2jzX9oSNZdew9EqpbfCIouEbxKOFVwiCseWzeBWZfvYQQHz5oqfGRu.C_wBwBme7pdeffzL0_W4Uh7VQ0prCGzJkz6gOWGBf948QD2Ev0a_xWBz.nZvjCL0rt0Em38I8WsXaIRQGuG3iiCZ1BltMwomUz._0JcJ8xnI9h7A972p43DK_Z0q3AqTMipMLmc6AvRunskoIuZnbYQh7SznJHXNDJOw9XXokINBygbN1.i1kPqzsI4ARYqe3yKy06tV.F7AAVNMroKlUhGsQXgZuy8OusLXQZGVcxSjRed1fSzkfS52Ozjwky6mn5J3PithGvqcA60nMReFsV5AZbq2I3btqJxwPe.A69Id.NEHPlPgEo7NV0V5wEy5eTuquvFmSC_RiqqwLag4k_tval1RLmJmhsxwxvliBFwDCE7HvsxOb.pcO_dGm387WjcbpfPcP0CiBsnJgqM65UFpHr7fT4Cgc5ySDFVel6WLRuSQCy6OhD3nn2QnQc3V5Uu4rtL0qGnxIO6bEME6hGTS7.lo8v9wpsuxSkDQBg.k4YFktmaOP2fY.N1Yko4S.PzYogc3lrAXUHrCOgFWN.bPcU8nWOP6qFrbJ9UjleDbtzaqLoVHH_mZbAtWqBanBU1Z.zJMZP3L9Rpl86md81jPC0rn5c1Jtf9XUauixCaHKOqeXueBxag6avPl4zXYDinjW1"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f373733aab1ff7';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\/0632954781?__cf_chl_rt_tk=fXD_hRr5B2WQr1FdekBZ17TQGBRs6MdiA7CG2HPYFhY-1739099825-1.0.1.1-dM7p103fzsXjl3DTHCm4sH_7_ej1SdDRD2YDrVxWL7M" + 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