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-513972752893.mit-edu.top",cType: 'managed',cRay: '90f22f002be8c960',cH: 'vu.mUo3Ejcm9vwF24ODRjjDR2XSteiUynWal_3q4Tbw-1739086535-1.2.1.1-OjNK1E3czx.PN8aQ3U4OztxTYftVdcVcKOv.SGNl6HcHGrPK7awZnraqGcOlvK3_',cUPMDTk: "\/post\/6219058437?__cf_chl_tk=8Xd50ExnJVkrouIxq87Ryl_tSiag_7hzrcLi0Oz.F9g-1739086535-1.0.1.1-72Y_sgVRgRJe5oyB.NcZpMLDQH.AKPjINODF3uh1h_E",cFPWv: 'g',cITimeS: '1739086535',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6219058437?__cf_chl_f_tk=8Xd50ExnJVkrouIxq87Ryl_tSiag_7hzrcLi0Oz.F9g-1739086535-1.0.1.1-72Y_sgVRgRJe5oyB.NcZpMLDQH.AKPjINODF3uh1h_E",md: "ri9.RF9U882yMDvZ2zJFPqgWZctTCCjEY2_VuZRl_c4-1739086535-1.2.1.1-KP2AH6wLKQiA7ifAEsnLtM1ixRDSUGZfuGSmEz7bL0tdv3IbWWHHZWHvFqqtLrIKzlP1Uk40AYAJBKc_WgUg4j7hhn5cL.jK6jZr2_vMYx9lupXB9Vuz44GHWZswD3xvdn5hAn4DK1NSNSOkwz2VfTC.eOu1VVqapHeZ3gzgntQ87RaG9Xq2vsK9_1aDg263Vh.0Kww7NR29bEP5sFj9S_QjAnvpJ_VZUylDzabbCpXlG7.wTIn8BkewcRyzU4xAeYwJRn9KrOCPD7T0.5mb7s2WMPP69K2ydZSHJ0KX5QKb4R.9WrOARnVezHdOSeKdKUdfzt4Blp3nS2XGKmiB4L32ogIJ0te3q9o7Ks9WCeXtUgGVWFK4DLmr6HSWzf1kWs04zaUXHEZbAOhMGT9wwR3x6hejgHXQR5XQi_gUQ0OJQBZ2rP6tj.mOJHd_NKP9WhfevFV6trKPlZP72HqDREg_apDgoGIspzz7sZMsCN4o7SFQWJ0dj04dKwnyVRLOuKJRVBjWOJ_W0CMIi1D91r6ZKuAffcsdpqlBZW7sKw5xvWFNnDSQbhDZSIrMTCEWeDg2Uo1Vr7r7xfxC1lcTu9b2_4RjtZYPdKTUUZ_tQtokuOFFozIlhcCKp.pZr9KddOuNkenHb0YK0_O6mlf3l_.rNCpQPubVTk2JHi92RX4XW_1X0DDhXusYTTLsieR5.OmEBEpWPIaEbfzSa3pYGev7iD3IUVvJvBntfpeWbGIFyF47s1abJ6JmZ3isFtpOm8qiB4A_0XYy8YRc3t7Zzk_FH67N0_k1uBY3UGXAU1SIqK_byJhwLg.jlNf2Dp2VuECPbdfHzCX_v2NN2qQ7RzeStXzC9wvq6k79zvCdOq1waJrnwrmy1GM91UMdGJb8nT1zW4geM_4nnhCH37MaP0GNT6p9ap6.4P7hTGxiX0hDqE3HUi7SPZoDM0gNMRHGgdf_LA8o.QGsQxpbl4piGzFU7I9FRyrQ118piqEGL.6gc3e5rT8Av2Y7tfa7Rr7slZIvmzeHrvfXrKzHE9CbYIN4H069c31k98i1Z14APlfzZBHPHk2nbEHtHvZDmwwURc3SOUwiyfRJjj7ZUDXT07o2RqZA_bf2.YJS1amdzBoceeDFyYuU3JKjrp9L2ZujtX4aM98bcAeurHIPZ6zVx4snOAJm15Mi9SGD.LcLFRI.INhqZok5I4Ux6TTW4t1x8_rPHYuXyh8CYQyuWk3d1EIfpyK0zLIg.ahBL3XmErsSqHCdp_Hqtkka75khqmnSetxDTsIKMsp6yGbbmGlJ8RPvgCUcNbD6zVD8DZH5DLlvEqZ7HML9kU256UybNSQs6w2ZCjBGf7th2bsOxwCpT.LW.Zt4kOIVLyaiLgKhznag.zINmIFH6bmizeUag7HBrfm9ebdH1FmombZU5eWiGY8N61Ols5KJgBPQ1TjKk4aoByJhnsqnY9x5pF6P7sw7hzwZNJN7IkY.YRoYf_9MHmz5TwK9EJn50tfH4WrY1pVCAEw4GA0RDSwoU6Yf0LV3uS5J36Z_w5KXrUmVua_cwIZEDklGQGeM9unRLdqlskYgXuW8h5dKBfSlgZmGUf_eKOi4YbntQ.T.vKjb4uqDoeLLb1MHgOEXXeF87QLOtP.Qn0I16kybjdR9YQeMZfmfdXxYnzhabsDqT2fXbApUl1JSm_Gh7BQvYzxvnqO8z6_HMK5M8xAZwEH_ERwTx_hwbg97mrsEcmxHXxYsLHWHGDXIR5WT1PT1IYodDUHY5ulT.fL8fMYAM5UAtr2eVshE_5ED6jVzekiFOC3GysEjBauTvzAu0Z.5cUZd7qaZ6qu0LccvYpB5QdkmsDkUMxYtf8.BjoLY7NGJluQyo6ZUXQpHOeawb_asVZEao8eAirmlxZFTKq2f6AGlBfU1h_kMB07ghGsEPYXW84UrhD_1uV3B6Osl6mRBNNP2KvpuDEft_bG3JauMEbYQSkYHNMdR0V4RKi1BSUhBYvy0VHBgMWb1CurNQ6AzB6i_wb2ZyIoh0ta1D7QNwTzm2jb0lUyQdqU2nqgIoetSLdStXmaRXwyUZOXgqIfVPfgEBVSNpxEe4PJbIUO5hFp.SY.aNJWsvaVyYqOc3PJ118dI3W0O7BWB97qsZJG5y_D.a3HmFPQVfE3bjiRcEpRe4SYdQvkka_m9OBwXFTYErfEidehyHApDgelDhdLnX4ixCrktfExaXVWNQQe44d2WgZ9CcmNk",mdrd: ".CnBt1ImeEpJjqSTYjjCc.MSgUAQH4howsjdE8XCSUw-1739086535-1.2.1.1-3Rt3EW4g0gIebzDsCXZttLgffxsByREX_5YHqUMzk5SL1_7ufpTQ6nZsrukbpLVmoLBanyxHJUXDMuyKfCD5FCWVOnVjHkJdhSYUh.xclUkqYMGcq1yoCCBK26EDz8J3bNMy4G2Bzfj3g6jPtMdLPZQdPqz_HRAZxkK9xRA5Y5NwdoC_iYqHa2KGwKFiHca14KEd_eU7zkmw3p9TuX__iogJarSiZj6fe3jPcZg4bmI8mQzItt0KSkL9Ql9ONJQVmg8mUhCzOrriV4anG5xwhcjIchcJX1vT8rgdLH.TO5PNhC_nv9RPpQsoUObVPyM1wquVzHDA0b3Id47XdCcLF6rCBXSOIZgqJmvyYWlAX.zZIUsxhdzz51RYdl2Yd6pPN2SSinWuNs6C2miAdC3_0Y5zssXOj3pkRKXxbimuHD9p34i_GdDajgUiY5uKqahGaDL8S_lS.wQb2g86Dxkj8tT_fN4oJ9NwESZcLW7v3Ezu2fIvuHkRYaVkdQGzQNxZmOCnTyYq8n8CsycgLQjEoa1w0_rOk3CxLio624ME9VP_3y4gDl9H.yaNIwsRcVcxdVF7qA43.aj3hs5hN71v54ugAj4hnoOcaukG9EVTtQlpbcNVWSDPcp.hLmXw6jS.7j7zdS7_hcQSTXFI5mnbYHNNqnZdcZvfU62xdhPCiMFEQ8ckRhPg2EsKA89apODQDFOSjMuZlduY1MFKzvuGg_fZozjCDdqUUXDf0NpXbxf5okIkl7DMdGpg2.239VWzaSsvBdwtKz8gAuDS20kjnWv.Sbrd0YAVZamd0J7dx8xBkZJtLApxqz9WwrdOg98eR1DNvJGv54OMi2QZJfpA4blqZyLZ4dwghpy_fackWZ8B.4mz9ppOrHr5uFFalDweVwE4Gl_UKaDQx5AwXW6c7f9Qu3SAqT1e3PsmgxG_nz22xuh1tFohAWKfcDYsflEY3TnxMFjvO1ToH6dR.94lIivP4_jQOCvvaCZjX3NbfGV2p5s8e9WmG3fcg_tip3GqiTSe1geB.YBk0fv2FYnGTnM5Z3WI5ZXMbIzHqoU5ayL_0GcRhllvq4pbdD1m_0fSP5oNJHEei8BCEL69jK0BeG9jcG1c7dbNrOmeOHs3b9WltvLG37ynAOHcLiew4nndGRHrosbjniK5dmpGzcEtyceC4eqvjU7BPqfROQRf5eXOMTJMibi0KQ8q3g8fdJgXWiMOOcUYs8_VpfdJ7tc6_X6KbF_HtBDr2Qk9yMfFsfqVibZfhdcuQTNGT5_hRDy6tBNDVzsCJw1T_erfMHO0Gw_P7Gdk_5Eb0v34cgGIN7m14ltZfZhBjV.Zcqu0qgAd.pHltIf3kvlp2v7qXFdca1IFVuPia2JiyhVElwf72hrYXAOlRlefYSguCk.PHpbjUrMOacWHYu1oPK_YesaQzhz9JfDVf3RRl6gngv8GU2O6xFE_93vU2FV.XZfo245i02wO.S6j68FFp4vDDaE9fHkGveTqWNc5Q7eKGx57M35VUiU40g0zgKIFyA7SEcsMeyfGH4lHL1ula1sQ60Y.K3IUxBgU7OyhPo4Cgm9hLQ1ODxFltEBZ91G2p8v9OXUEIc9Lo2iZu8_vfKbUbWo5E4F1I81.YGymteSDv4mBbaBnUEXIfdxbetu5zIJUTZnxmcXV9iCoJSJn8hcLr1ya0F4bk4vFQ55SceAhT24pGYB56czbZhsa9iKWQQjHYpT__paioZGKfaz_jikj6PTxQgnodgVbUVN6hfJrkk1INwOpnojHULF63HjWu__tJVjGhmGhtaEdib0Pee6A.uFORhpxBa6GmOGQ.Ozzq9AehdE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f22f002be8c960';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\/6219058437?__cf_chl_rt_tk=8Xd50ExnJVkrouIxq87Ryl_tSiag_7hzrcLi0Oz.F9g-1739086535-1.0.1.1-72Y_sgVRgRJe5oyB.NcZpMLDQH.AKPjINODF3uh1h_E" + 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