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.

Source: https://blog-727006620054.mit-edu.top/post/8123679405

  1. <!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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-727006620054.mit-edu.top",cType: 'managed',cRay: '9107a0d57edbff17',cH: 'I5Z6Y3DxfWCzlbzt7lqnYCo_VvorGbnJ1E9gksDtAHM-1739311399-1.2.1.1-XinrM1jKFCWK4s83TC9ShEGojSfwuCVWNv1MFXswTLYwvDUtucKPTSG_AgbJy9RZ',cUPMDTk: "\/post\/8123679405?__cf_chl_tk=tscpSbC73a2YxhHQ2url8WmtqVTk4MYcygt9lwelDro-1739311399-1.0.1.1-sOyjLCK8QMlH7YusINOvw2a1_g5xUu3kQ3qnBli20qo",cFPWv: 'g',cITimeS: '1739311399',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8123679405?__cf_chl_f_tk=tscpSbC73a2YxhHQ2url8WmtqVTk4MYcygt9lwelDro-1739311399-1.0.1.1-sOyjLCK8QMlH7YusINOvw2a1_g5xUu3kQ3qnBli20qo",md: "7QycCq6c6e38OBH42hZRlrYgNZNOojDP0feWmdiGwgQ-1739311399-1.2.1.1-0tCJLzV0hjqAb5WSGzZvUMJpSaAKIEciQk4X9WwNT_ny4Lhi0PZM3ihsidKFCCp4Gf2iSV4rWtK8pXv2WCoecAOcaPF_LJfegxBrb78B3llj0rJg6uUKaQcq4WqQ.pg7sbFdjVTDDf44xK_QUJHvV81H_ttJYwaFaKrOyv9eYVivh5g9yWuzrji.0g1w3Q256LVEojVcbxM6g2xSkRO2uU0vTGTvGABf4xQRyJ3Q7vqspOn5kxGZ2N0UCev._Yc5HoDpD3v4wbofl5JQ_dfB.wBOjBQyHX9SQkYDMtF62OBsu1K62N.J2.jbv2GpARm.WTEpUb8bdDSwjIKuNeyq6efPtMe_yI1_AVFh.z8BRPD2YA99jbx8dXiO8lXN_gfGLLUTwhL5zPxA3Vm785oCU_3YkXwrlPlG2vILZ3tUCbOEo44ObSIjBiLjK_hCsQFcc2oij_6m.PX94nWMlVgpAobs.6UUz9gn6a7Hgo4B9_3hnM2KGyeUGk2PCztrZR7gljodgsSo4QedneFhy2KFqtk8meaaxD.DY0K0YOuo18NFWZ.3cxpUBOt9UuScv7cAW3vkb5Q7XP5iW2scZWp4.ynVb1kKHBO3L5zKobN1d9ylYE9VhxIr3tRowGN3ye.dYsIKCF2LWvF72K3vk0cnYW24BiS0lxCiSEihnI1_igx6UeWlz5xkPoDKqErjFcHIwRQG1OWLhfPxQ9dPj.SBmOnny33ZmpUxm_v14ttz63_2lx.ZwW2wO7pC4wQHVPNG755AHX3_IuQiOqNEXGdKZ0F3flt8Fx.2P._9wIKM1nkZXlIfKBOHm31jbfvpxuiE8P8aC9yc1CMhulQQthNnWtbpbgzG6JEkUVEuCtu_M.o3kHkxqcFd0Mjbc879w6HdtkJE5yHhwJe0J7wcd6POZaGztofwGodivEUTFHyg9jbWeOx0p0w_p6shSF2qN8_kJkDitEt7KYJ_N2MLP6bCPU2ErOtRJrJ9awY_xnXfgQqStX6gTF.iMCcEZ1Cjwi3jhGvPrV.CtLdeDGWKaZHATfVBYB4jZpuAEnPnzWYdS3VlhBpsT5CMcw4ekTKr2kvZPXkXVCJ05emvZHHGFmK_VLQPOr94CpicbnXK37yridY5mSsNETqcS5RN9wUIOJ87vzVMxkCHCFxf.OZ5scMRVHuHZvIhu6z0G7m0vod3hCguI1VeasUWHb0qJwaCogWv1O7MazEuAUjY3.m3kkEHvYQzkxG3VGm3286QeL35RqIMfisXfTDi9p9UnLI6H07F1pUL6XIlTaAJaIGc_gwqAIgG1akRmCrAt5w.HZVsIMrVjNKR.57g11Rgdz7oXIZmEap7sUbD_3j5A0aPMxXjf8TuPTakTvMp.R7Il4_iC7KgHbuFcsdeJwiFbMORtGEApPMx1KHzBVeZuF09t5SJ5beUrzTCWhyICtsKX3oVXgHiW5e2m1hkTJmR.sl6wXssRwpPn.qgELxMhPNLtRQmMWmxMP5M8j0nJHssJqlbJ3w_x1jp5AlWJVj_QN2i3PJ5IiEHzhcctCY0gy_ep62PJ6KfBh7AMiusgbQrX0F1xI1fJXZqeKFw45Utz44ho9vqVwOKSAHDioKwx1zczYLefYSjLQ5OY3kh8HC1QpFpcvI9gQ8_B7UQXlEZJvWUh_PlpayLcThWktJWSANEG7R.KWEi8gprHMSR3Y8Ii.6Q5xnJ209EioX7I2Sq3AM8VlgnD3VAUmeCci69hqsc3cfcNyXknclo797bwglaZuYKqREePWYT0H7MhraqVGsE1IV65rKU3frgvCnE.4RAkX1e2iPqr_ifiPfNQycCJjUeQGdFOoPw8e8yG9peXuC95_p_fGfJBafaUQ_t_MqNISlrMOeQCgbLV.riQVKIkgGgkEJpZu3V7M1LGE7kD3aAq2837RWe9OzmVplqjl7P43VrOskBT91umw6_NL0EBDGSo1CkofsaRH89x.eLCc6w9dj42TBUcFOyrsk9l1X7sgaDJHj85DVDAxW5JRgboTPTgXTV4MR_6XO5ZMbCOqt33ZstNr52A0C6EAl4aRPFNW63eEa8qUMBYw86vaGjzcwDdxk1zjN2c.W5v65.Yp4NAjw_Fec3co8PvykF.1dn.R9FwBEwmDx4WtypVChD16N2Ct1jjBOa1K5f5V9pTDsmo_AauoZEjA9cUnO0MBE5jKJFSqr5rFbGFnyJlWw5JujwGXbxDefu3p84wGD.vv8wIsKu",mdrd: "cbgmiC2gxqRu4PWkltMmL8Fx1iOQ9pd1jf1uoFwdpZE-1739311399-1.2.1.1-6wuvEg3PJgf1e1mjxKTnMbm5dNO10m8iu.5Wpms5qvigXerRY9wlNrw7tNvHdTYnor6aCZZH4mKGvytbKNsUtUdzZ9l6qdJqeTdDiFkJtJ._FWhebXLuyo6JTM1VGhcpuftF5tnccuLgC.Te_5YoV3kMxYGHZTs2bY4MIrhP6EWQaQAU_OYD8Ei4_52J215thQ8ZhDZkunaScG.mkNPmLEUi3Qm6p0hQPfV4hWtRs3KZduMDwLfkf5QhqbyhSxjFC_soyeQ.mUo6._USDx1S1JZzdhcWej0nMANPOMSSibYmFbFlyLNuJncWM0fmyCZUTECJOXm0RZheTmSEkwh3M1fF8z_FAyqxdyrpE7OIw4iJ_Aw9OeBwQA4h5UoLwdrqjhcYh0Vjh4fCFz8aDuZ4QyJ2qLLuJmnHlQWTB0.29jIXYoPToMxTQGZy63l6sZvyR8wy10QKqENEF8YoAlJ3wPoUl9uLoYzZwr2A6E2Hhecj7Pf2K1J9Iqd5PNRFoJdYFj36p3J2cBrqr6J.BoYwhYvRz1AE7CCpbIbtYqv8rJ1j9jCx3H1SpH2z_9zNq8ujlLYA.24GLuYOFR310fnybF7clw6nyVs0lvvK3m3U9nD_z3bUZkqc5rA4_WJ68LEs2f7pZ4RmWt.uoQJUlbz0nlbltV2kVwYUvy2dcgaFS0gwPuPqsq_QEKDHkac5J1ABSBc2yNDseyr4uP5pYjXBYhkMGwejfx_V1L82e1ZCW1cQ4j_gKinYEj8NvYa_g52cREtH.GOGfhBp7djXtChb6yx4zQvvZtbBEotpX4yXHOPPqXY6U4ZrQHm0Z4iDuiSgrx5nIgFazzUp7NDEzBNZV__aUrk4Pw_nsabJJwzVY8oPSRJUjGhSz3g4S3F35tlBPf9i0x7uRQyWj0OFi8J.8UowzQEpa88.Zh72kPpShUIwHfKNb4rOdnboM60l4f0IUYX2NFJHrX5aX4dgHkn5hzoKpmWiSg_5fvfoVOKh2sivlXEoqgvhEBiwsM3xthJYsBUFi_LSfpNlVOfEzMPsCCtzEFJpoLYW6g.LeDD62JOQ5Brf8a1ToxAb2XYpqJAY30UpF5BcPDBF3nyNHpqWCswhVhNzey9Ab81pqGfNs.k.MOX5FH9d0yOE186uYEiQ9fJyE5Xh.Z_aGTCJGZIDP3PXr_jJtomZbHH9lz4WEo4IPDZR6BNJqXBB78F6WGnU5ogRcePPYSBtWc_Cl0ekQaAXbJjc3iUkZUr_LumEqRvsx3HbvsH7WEhdUrgCAihKOfmvWKbPdad79fKzMY5EZTxNb5OybBnlo8GtXPe.kS7U2ZqM6UowfjvWcuJ009yz4rDN_kOpfDGqGqeZnL.NY7ARhiS2rMOO0RSOFJnjsqLXM5LFl128RyvajzL2zQghBCJ_9eDgahR6SLHxBTvpEYZzg5K7A9z5I2tUT6KOp0LiL2Zjd90Lb03bUK3tTvXavZTmXZU2Wu0Jcz85c.xjdzEEq85ZmiXJJXTsBXtvozJHO51HFPxWdfECcB85OBNliAP3wG2zdUk6sRlpDe2z9O_CUSmcUbE4P1Mg.glxsydvZdEp0vzIiUK9fk8VCOfYhV8YZP4Wbwdroqd.nusDWM4WvhnP3M7wn9oCaxwogFK9WQ7yTgx9RdYperAL0SacyPEjexdibzjyJgO53fiEGi09_X0Wrx23zkJYn4W.oUpyzrP.yzwM_I8ZxPVE2Xt_un9DBVzUf3EDN946GZEyZYOqOm3.yVAFofuPi9UZ3zbJXP19.l4kMQOm8Jfal1qpRUZkw.DYIc4VHsskGK.PIqAmUkP0NBMNNka4fKIeitQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107a0d57edbff17';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\/8123679405?__cf_chl_rt_tk=tscpSbC73a2YxhHQ2url8WmtqVTk4MYcygt9lwelDro-1739311399-1.0.1.1-sOyjLCK8QMlH7YusINOvw2a1_g5xUu3kQ3qnBli20qo" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda