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-103347817110.mit-edu.top",cType: 'managed',cRay: '90f3d5c7981a2093',cH: 'dflNUXdMwEYk82rmrfnigpKnWQIOHUl4mEYxCqxCSnA-1739103852-1.2.1.1-woA7UpGFvfm9Fywjar.ogrkxSlUFInCfIXsCml_XZvEVSc.ExVRHvl3ERxvWv3p5',cUPMDTk: "\/post\/4268915703?__cf_chl_tk=IHbwUzaJsGtUDhg_ThHW.GjqaQZ5pEr1cjGbjFQfHo0-1739103852-1.0.1.1-M.5Cm3oiEld1K4c5aUMLAQeN45fq5wdhEdfXg.J1kms",cFPWv: 'g',cITimeS: '1739103852',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4268915703?__cf_chl_f_tk=IHbwUzaJsGtUDhg_ThHW.GjqaQZ5pEr1cjGbjFQfHo0-1739103852-1.0.1.1-M.5Cm3oiEld1K4c5aUMLAQeN45fq5wdhEdfXg.J1kms",md: "mJLligguchf0Dd4e9RjurOZaCXMNtwD0O4RJbrkgOYk-1739103852-1.2.1.1-7QeHgD1wW2HuHwdCTsJ3fVo3b0RDPAKwJIV3kIJizFhebiSoscsseV23ztfe_nnfsoM716IHONFD3pElkn7hWApPBYffcsU4lygf5bcqu0IXgLqaW7xp0GogkZx8EYqvgnyTNxlKxXhitDhpKWlepPinBjuTHZAHCvoSND9j__lAqcsTyLoRKzlRXFxu6N0UpoeHpiqfpxptbuVhmkFna6RCktM29CT54_3FvL6eI1eOiuvGWWgjgwUWrXi7_gRNwCnHVCRJdPW0VgOgxv_mq927riUmd1QD32gw2YgHbyt9ku0KvPQhATyVLZQ9XfgPs77YB3BpOmUaKW_SxZypvajCEV54BU32jtWr_9GQ5S8a5LtTftgcxdkqmBRP9zL1pvS7Uq2fc2ZIa8uWvx5KgROpUbxx94xWM9GczRFvMzu8AvsjpT0VFSbLXerCmzy3qfAFOMGPXumqXhi7pCD1cNhEmyElSMTEs_QgHdDrArU5831g3iXQs2atv.6zjlBfF7iorHT1aAMiseFreEtp76Rjul87j21EmFbJf185dLwQU0XEf46g13I2x9EdWhgDa9rG8RBQFmnQBTQWD7GpRT7g3MvVPZhsz06hVc32CQK6643B0yZRjD3WtcOjkXF1SJhETNeFohcW.DUvWoMdEAoxoSo1fRCs0O4TT3TE9CA5RiwC7teg1G7TrA7jxj0AkjFpUJVUeccDp0Y9WYM6Nj6XBjYoYQnb3Cb62EFtFIerulUR6hho4bbygNq55I0aXZDZCRJInMnMyJlmn49ZbpYNIg.JxUcQQvk.5b5a4ZS414QX4imnQ5ZnEVrb5SZH2orzyW9YRIa6T8cfHWdyPOagbzhRGev58r1JYZmrLqiBotBx7sJvnebOFZOs0kgObERc1BHTUbw.wFIB604CiSZoz4wWWOqUedajNOZ_quEPLynUo_53T7bZ0mtVqfXYf3C_cE6G36up1c3R1s4h.hVQ2YwybqFnsAzefru_kUOCJZyYmlWTF9JayNQuljvRyFxAhzJmrSesDSPpIpSxfYwLfB.7SmTeGUPwGSlueJ_.xCjF4CG5lgVBKjGJMCpSyhWey5nerysVCM2fNtkp_naJo_NmiS4pm8kG2gkc4yiCvBvNq__ONyeVCple6gUdludYskTI38cJXB8su1txjoIy96pt3A2KD8Zsa3F5H6MajZWuuLwSrAXvi.ujf05zE4s_wySh8gKal_YQ73Iz65NANXxr9dbQwv7V8SeUtX2nT2dy1IouQhpHD7zW6IMe.UrbiCdYPICQ97TKSxe_bI91aKvY0Zigh.fLkoO.bM2OsO6KOqKUPQg1taj1XiOXX5MYDEmzdKQdCxcVNH14qU.WvsdqWGyKU3Tii5KRtyPILHUjKzfySCUKu9eOFBxHYyFCZ5VxOIrFD5QkaOijgtRme5d0co3TmAXrr4ZBqqP7Ehm56sNO6RgYaqQarnRvVwS0_xfTtD4DK9xuA.czLaK48v_SMMnkCeSadyObyKKJ8qci4Fb_9xctQah_h4tE327_nKNz32iblkhSsOA6pJl5d82Qr89SLkTyerI7bUuucmu6gxRy5zqBXaGgl0QRRt4YuV3yqAOHzrrCxJm5mT9R39NUCRdY4GYOPM_vsda8PyLSOwzuHNbgQrIBpJKUes1iO3DCVwzagtjv7IbDfVFFyEPIEUw6O7ljXcigiKLfG1iNvKqZhgn6.B7tq.YnxqnUkh9OUFS.QHXJZMAgKyMqxjM8PdVmfTMrghiZVkPyZLB7mf8c2kZMrUyrKiz.wM361hbzMDSMZzFOfVR.0Np.YPCyzEhCIbFwEHeDAlFWEhRzGq2ZJlV9KxPMZQ_0E81u2rtQSHJu8x6q36spYryTJTSJBxYqIECsZa.EbKW_Kw0nTc9OuZ.L_9JDftxkVwgB02mVpiChTvbPHAU8POQTj1PUASZ9z5jobAplaHPVIHbj_hE4OCUSmJ_YRBr.rHaZ.w8WIJyXsqMKMJEhphl.uzCWP_RIo7McXDovuXS1KNV57RRJL.ne7BjK.lPvdgqKSxa0Tb83JjVJNqfwSO2VeCFfESOE47Na_Gmh2UjPqmV8JWbADliWircFwxo8EomRYBEfZwAGZpjnCxAoOBqqu0XY870EhJ4BDC62_hx80V55pkn_2CSCdKnRslixkIbP0bKMlCAqGzHq5YZpUr9kER8yoKqeRdBK8NOnePaynNxNWT8beLsNPz1tj45J",mdrd: "AiPruZmR1c1duo.AcdPVHBIc8Zvm4pGRimLPcreXFmw-1739103852-1.2.1.1-jukUTgU58xhmqQmYiHTbdBIY.exROeo1bO18vwuq6hdX8MztedPPELtF6LwpfhY2Bcfsk9B7L8rFUVCMqlCmHBUFrYs3ItDOZCg9sKP2UHKQSVBeE29luzLaAIiLRE8EOrZ.bxKcjkPQaF5TG522aEPtAF0eeOdbxfxh9iZkvFNoyO_4CsbKH2dtatP6fO8w3HbE267z0J8B7vETz1CUeWMqKjlpJqZAmikx_i50sClS1DbomJWgRRDedSvUTy6TfVlQaN3ZXrpFKihFxC8oVSFUZE8XL5K7yP.XxCIHIY_jGDZzrJ6g6Mm3LnxrBuv66iCy.8rIumff1oYxcpo2q8pvsi87aaGttocLiZYAyqIxVTnw7KIqmAMrMahONxN097lnKTMxcTZFSybmTwpnTgKVimGRzhSmgSFpCOFodB2FU9aTRY4IKtCIrg0AXkx4jySSfhCT_3SYawvw5R2ZjCehDM4.oKxFxPcUiIdWH7igwuU4On2QLe9vm9J8v.6183BUzZROLLTISGCSLOUr00C7fDDNg0nmwKqeUcvQkxwEqNQcI9bHmFQ2gD27xOarTa3a8GrNN.ILfy3rgV9aNaj66axtLORd4pOoh6lVrmMQVquunUUNxhrlsOUNyhEeQRlP7NPfZzuYrkdbSpfHFGU6c7tRSJ8BQFT7Xi6zs22fJMELtqr0kV_zNG8ejjirlEDExSrMeNrY1OCyUROQeSWcP6JeFAeKNviTKB9hPFcMWjAyN1g3f_EIi80eqYIk7Q.7ygIvVLIlT6y3YMuU_nab45MGq7t._XsXr75ckxy_mihydXi9JRinlgzmA7XZ37dSca6YfmFkvZ29lC5gT7_EzOhX5d26_nYkV7J6kWmWjke0hMJMN_HmBdBM9J6TG8d7LTD0s_14RxQlfzZ7Vxq.Oa60ZlA2JKGJKY1AsNCqTaogEObr8JfelFHFEJ2.rW4aGmSm84iBGXMciPJE3wdmtfzvRGqEreRfL9IZnc6wAi8a6SEQvnQR5p2mEG_8kb6jHpiS1fYJVm4wn_qXC_FMMrNFdS4njrHgTPEFo1byVVzj9hqahnvDWe_rp_SteFFnAS.r_Tzd5Jz86luQ7kFhdHxtrzxcfr1JgoItVTlXZIN7ha53P6i21qX1TBEeS2kJ83QcsUW99vX8UEKc3j1CgzpsRwQKIKuAQWVtSKCEcnsm26g3AyNq0H5uno4NDIghnSe9wRLmLLk6_N7OV5nIDlbcpVXfqDOa4csUx2prrjEWuKZjb8JDhnOVGBkpASvsjyJYOoDdDKWcecNI.DHl1rHs8dKXHYU32U6tluFn4giKbwRE63kHqTsL13lHV5qtsVp4Gl5MrzIKT2mka_NI2HXdt7cbDEvPkTiOnwzAE.rDDSpndXXTeeqrzh4_dSooXZJQy30kWsk2bp7olhsUOLMZSylNwuLeTRNeD6Z6a4O9sXqXQgv0kjTDbh0ygHWQnMM7HxiPMsTGgrnnMAv7gFVExhsW7HnGFJou3dNgyQN87_S8iiUIG7tGLF.BUyOhRwv7YjyL7O5Ui23NIrt.FQtYuJ6WPQlAJJeuLiDPs48dDerTaClDHYX95KmLHubgsw7h4Eog2NjZfRrscEwm0BBeOznQ179VSB.t8fLGkskVPHqrLaVXHGKSV3LHvf64ST8_NTFvMmi7xsEZmiodO.NjPeipvlcYFUYB9BonrFEgZWkN35.4bAypNj.S.iA1omlbeaoIvj_WUP9ci5P3squKULgfG3KmKnxoXEpW8gEhtQwbXzVYCzvZ8nKNpdBg8.I9BNg5xkIOMTUFVjvh0AncYDcxqAmksX3uRSU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3d5c7981a2093';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\/4268915703?__cf_chl_rt_tk=IHbwUzaJsGtUDhg_ThHW.GjqaQZ5pEr1cjGbjFQfHo0-1739103852-1.0.1.1-M.5Cm3oiEld1K4c5aUMLAQeN45fq5wdhEdfXg.J1kms" + 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