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-818730867934.mit-edu.top",cType: 'managed',cRay: '90f376a09ada0949',cH: 'mrKCwo9TIEBCzKj4E5x3GapT_9Qr57ycheuwcRoVLWQ-1739099955-1.2.1.1-qP.1rBR9xiPBT7R4MF4m25sNr1saicZS28HOl1WklL3wunbJ5KztVyTA15Am8Swt',cUPMDTk: "\/post\/4658123907?__cf_chl_tk=8ULtF2QhFLdbl_CpwgHyGE5fjqQLHhSOEWDUjASvAwQ-1739099955-1.0.1.1-.Lc2mV1Jt7FjD4rss5qv21Fn7LT7pct7SrTV3S4Kt2w",cFPWv: 'g',cITimeS: '1739099955',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4658123907?__cf_chl_f_tk=8ULtF2QhFLdbl_CpwgHyGE5fjqQLHhSOEWDUjASvAwQ-1739099955-1.0.1.1-.Lc2mV1Jt7FjD4rss5qv21Fn7LT7pct7SrTV3S4Kt2w",md: "oAntVdM_0BHop1c5dZH8IC0WG8VlTcKHuXj0YgKzjf0-1739099955-1.2.1.1-ULav_VrwLLKTpWLYCPy.LA2z8Krt737XTAj4S1g9JvTwU1tfvRsiSwxqohvbrCYkCowNSraBlC2EtW92ihA4maEv5gdewU008CIZPaVC4sIWiWARbYMPWtV7cSPmpoY5tG_1Zf6QwM0J2y16pIsyZLDpyY3zK7wZADclLXEg6KIIh6dfJYn4VslGlq6WSr9x36J1rodPu9cO9XXvt_YayzgnP3aW2BUAshvWMLGTqvDCrccNRidJhPKi_h_7Poa7OdK1vlxN6KJ9Lzr8Umw3cCEZe7flsyIpE8saEor.yb7ar6hkXz_FMISRaU1TxcLP6SkHn2GEQEP5ZIDncpiwQblBCrP5vMuEsrScZ_rR.9qO5hg3.H8GFBlRBu.JyHBexktYYQvNEGRl7Ple46k1k_u5IYYTlD8UpjyTFwIEAVFp8ZyIyRb3cZdTOutfEvrf.fCINx4hCPN8IhtQ59Go.fDn9V5i1e8Hlag0CDNK5lJm2.tL.O1QzJySc8M2.Dt9BE3c_8JoA1gboytRW0dUKH4dYccLmrbOWCYBrkgHNuRiC7O_WwgIVuV8v.UX8ZwWdU2Mw5KUic5RJCVDsUI2skvg6hLjrWOcZgiQC097h4OuWPUtWQkOPvx1Ijy5NnL6G2AubttEHCEpSkYZPcl.q86.PcOo3xKTeZNVTd0kem8Krh7rMzw5bXtq9smneNnZlHN6SYMc71wt1HPNlpl6MNYYHeRKZQgKC6Ii60t6m994b9vkYi6_ZLsEr1lMA2NifJO8IrjCH90br3ZFSdiBHGy05HsUAAdOTXZDjzXIw9Mw3E.okHDv6vqaSZ.VKRZqj3f1.VoLhF_n.czWI9vZ.fptBLi2lRslHEacYJJjvI5drKbK0fVkqvSD5hpa8G9Gjz5gHHr1_FE8eX7uL6wxJ4BAuCFoSm8w0a9BO2W1PdSrG.zRbIE8V6r_FX4L4uTE0D6Q_kaj026VeI7NeopYC36vLfidrPmdNlHOrBg2lZIMyWlgaRzR.12..ocwPq2Ei479IGKxFPkf.ZV6eaXcPe37Bdi8ZQ2EfKj8Iog6HRmAYYaovAvJrvHQAqqUSnD3bKbKZDDaPeYUwsC1vlK4sixPmLIyW8K7poTSgHLMZl0B7t.qd7Qa87n984yhIVPIGaZcfL4sPefOlt86dfh.bqWnKxL33YnnuZ5LQNoCq3qA_hZXEVsZSjurYfCD.5RS5SC.zGp09QS3aklTVz4drNhjjilDLdVfNZ8YCp6s.4zWlbfXxSYjf3n.VcU3uHsQN5exWn.I43CwK10s__6uu9QN88yUno.yZOxKj9RZiMzwCySDSNFXvr8kbeEHFzoiunYppBwIyg0pluN.FqZFix2Isuou1F7KxA5V13ZXVcewVWogV0u9jSbCBwkL7vIXGEbCn.xLWDw5XgRNVfxiFpZZUROJHEiHbxVNMO7husL9GgjUJURD1qy2R5HD6DSylmlqYdXnByd6qQh0wYSpJ6dVDDyNEgEhN.E9r9BQK.XNOgz13JiSnHPYdOBEXD67hFhf2P1egu4X.RiYi_9LDxQl73Vy2l641LXRvD1sAkRKF_HmqZQWHGNuyn_zSxBL5XPapWLyV6BD2g4LZ4WvNNvuYXUVwxYEGeELYTqK4TIE1e4scxvbjX1NhEX0fi5sI.lHdQbUZ6yRodUYddvni3FmYVC4UUNdCDBYKZHIxmun.4eId14_9sWirx3UkvqnjM.iOJWkbHXOGsNctm90GYObN2nyOC.8QGH2kLCuvzbsAGNtn2jOfhB8DCDMdKtDG03sDs5V5pD9YpN3IeohYU5hwbQmc6Mbmc_SwL5pNqcbtcrP24466V4oHgJvYF0rV1CztFms2lepFBLgg5S3y9QplChKS_FdzqSzhCRO_0sXFCiGkP8zI9WRVVmhGw9UEVmL4iTMjC.kEptf8xbxYLcAkEPSc3c_SO5xx_qDQOteGnYgVaK8jHGDO6u04K35MTDdQPcV4JEddAw1gG7l7SPmMm0wiBcCZlPCt7tK8YCWxDzUkTvgU_pLYqvnBt6A0BKrmwHvqJAVI3Y3Odk5V_jLyI1SISh0J39KnIEcSNeM5ppMi0uf8lnABxYe1nBJ7lLLbrqV52oWEudWQU5Uk8mHYtWLuwk3EtGznjVFPwVU5M0Y2BwCjTQJSRrrsYKQ0ZAe8Qbw__8DLMH4SY5ll8wXarwoLDeRG.TLSuuek3SrsS5JhTHzvAeA.fm7kI.q",mdrd: "KPFv_e6wLEtZZ2C_fpnnuFNLsFFq4nIZH3ZQW03.xy0-1739099955-1.2.1.1-yqlxRzfBmwGMeqWRXFx2ILQP6cYrumRsdg27ADCoukV2NYBeS2yDVjYds20LQMAPeXpn4yBdh60j4s5iNPQzl1kkaX2UWBXwTBK9aisItncijaj2rHKG1lXaiUF3J.RdYXoDdx7Cxx..F6D8GFwrqNdmNB35_iRkor3z56fBEwzCX6DPn7RREsVZv3Qk5sxRR27Qcb_gLPC_GnAKuCon2cXd6PCu1gOejK2K4ISWOgBkmZLcXVyg05tA19AyGMVulZF8EJaZ1q5s3KDHMWbtzz9qAOfJEOtwjaZdlqeCg4EGJQ68xWnkfjZ6Wqw1uCICacoxk0YPyozhrjr7pOhktd_finsVYD.5bYECnZA8RLmyWUV.Xh.UxbMUOMtbGKt7XVBdEFbtct_o8VNXVDb2G9pG_MpL4lagPiSxd6xoOylz_IPA4rCWGmhqSWx0FIXBS5Ak3oX7BKK1W8zDI9ql.5Ii.v0Ua4rZ83PzQrJPVp88LLCWid75461OtYQccsuNB7A_7V1GsIAJZ76ChpWttrsYUj_pSBavnuXPL7mvrUjhbi47daO6ZeZrfbIPB8JUwu57TB4MDBQRKlwB45QUp5FDycL9oYfuuqcE2PjgGkHpu.byU4DGCIWZR3t4WSCW4VOPNDrkC8aRuWbZV2OVLsw0yXxCJmFuBfzPXlSanAKpsUSvwU6.FpQB6rvjLsiqqyfJ4d_T2CKq.bs3fG9zdqm6uidvCVZIOlblciWRCialTUE3EvDEjB8w3I8YWq.DUpmLolRPbCsycovRrAZGUnc1nyaOSTPDRyVC2lJt6dIQ4uQDlTMrC0x5s1xHlAnwCQc_xpk.ubBjze0UlKXMZiHu.tUpjPa_dTYlOUFwH20nHuC.Qt.AfJpvkcQmdRhLHf4WFAEZdqjJbJOO4tcRAeEbLkeap6twzZl7GWLA3DCLIL_M0UfddceSd0fMvcfz9NDw_HwbGAeeh11P.iZ7592Nt_jsEZjGzJAipTG1g_eEcJbaCpIpQ_MIrsZOJSWwb1GeeGcSA9EcrqVGW0m7gu6_Fvw6gfg2CDXV.j_Di.d8qnERSO4.sAOKsAQmBjpu7QXABeiqBbNSbqJ.0GTvCAywAG2gLFd.x5DfeqZrXD_qdaKw_exQIEQgSlqqLtZmwf.EapgUQXucC_UiN5E6d79ZBFIgOrBN68THSod..JX7sogB_WTsZO53pF.67_n5d1eVH5ZRC7sYoPpacqcZcusxj54KHYurX3bTfCea0_EWhCN1ndFzTSmqD_Zm3Yvj0oV5xewe_6pOyMpidfmF9uWHauTii5uG82B3dpMapc3bHgK8gMQxgLzV.mpujnvhxcHvgfgr.ff_e4.HakQYaWSJKSs4xFYmXOjrvJkAydL7bwgrQZwJXCsc0h3W9ZKreeBOxRoXghBNtdek0_Ohg_JwImwbVotAB9SYe0yf3_3K6pOxLiZmQfIljc2BcJW5S6rs2iGKsiWChxQo7n5Ij1j4MFU09EyAglSkXCLk1uDiXnPDBhp.TEC5VU1RM48fpumQv3RPT2xlx4GN6jyVWoSKWapHhYgKyUAd_Rb6Gpyft6aS7SgyI2ut5HQWqvBIU.BHbmNgUMIdpYffw24hswEr.gsjaEn6S1CoJLghgxdKEgeHBPN9BTP9muKBAZ942cudhY42zOBY20Ybf63qhwpSNBXFLqywjACfmapbAin.SeaejyvOIA2NADZgdr4DfaG.ele1qEd0gd3rrc3nrPswnXgWsYANn0Z7xAau1iwTC8M7zZJqd37hP6k9Wru3AyPiNsa3Q6voBBOKUteKaDmTQ9n2hWPOhMqpKlhNw04"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f376a09ada0949';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\/4658123907?__cf_chl_rt_tk=8ULtF2QhFLdbl_CpwgHyGE5fjqQLHhSOEWDUjASvAwQ-1739099955-1.0.1.1-.Lc2mV1Jt7FjD4rss5qv21Fn7LT7pct7SrTV3S4Kt2w" + 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