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-779766119347.mit-edu.top/post/0129386574

  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,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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="360"></head><body><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-779766119347.mit-edu.top",cType: 'managed',cRay: '94b8b01518d239b5',cH: '1313EcR7AL2ncU_IT0Ynjm2xDWLfWmNM1crd6ENMV3o-1749221067-1.2.1.1-wblvl0HTmYhr.7Z6wbzNpa_oWfXDca4JZ7G0mPZvE4gWtppz3dIq5KDDxDF8X5fP',cUPMDTk: "\/post\/0129386574?__cf_chl_tk=seMTPVp9VJ5K8nGg3j69.CUX_sFBzG5MujVL_bkIyj4-1749221067-1.0.1.1-__y_X7GSMqiyLTT6KYDHVfGkubcjojMg4nVcmPcs4Rs",cFPWv: 'g',cITimeS: '1749221067',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/0129386574?__cf_chl_f_tk=seMTPVp9VJ5K8nGg3j69.CUX_sFBzG5MujVL_bkIyj4-1749221067-1.0.1.1-__y_X7GSMqiyLTT6KYDHVfGkubcjojMg4nVcmPcs4Rs",md: "jUP7lr9RQwq_69wad4X2O7hat4fA6HKZUeXiJYAK7q8-1749221067-1.2.1.1-n37oFR9U.4oFcPPeTztAWthr8P8wA3ZGpfHa4fum9R9u3Qmx6dQt3i1IvaybPTVWSILB2vCBOLlev51lbmCKNiOdtUlwKtz_RoyH7i8RZq.bphgeBy3CME1svZ6eoSgJWvty6kbjssNVarfL.Tw.IPO.uH1Aos04g82OhtOkDhsPyLXw0zQp2lGnlVl6ebPLBxT5d2dJ4jnBfBQDCNLa.Y7e88zC2UN18Pvymz0slDoo3CZUi5tJoDEOXcRVInrdmZrZDTgp_.C7dBr_2oRFcToIj1HTfrY083GgTv0SmukNzWYm2LG1KbgbLq4vJZKi.m3XY16B2q8NCQBR5XbNn4RszdBRx_X_WxcH5qK8KhKJqnOdfthi0Trj4367K1y_UMT8GdBCPuPeKJblW8cYxQpgkI8CWFWZxHULjusG7wW0V247d0qczXz0aobxlZ7PX1P3Sd3jdEslGVXlFR2P7Vbr0MZVGw0joCumaXR38bl67f4qHjqwV0QFu8AcZqXriCV0jhccUx_CrxQyQ5EgJ6OaIzS9G1En.m4fkSfPYXlkE6ruNbX4fYKyyXoeOqk1sbI1z2EPHo8FpsRgBkx8AHNVY8Nqjt9XH4xEmpWPVL.l772Ynt6Vv98a_oIyF_VZOFYfnjXBSY2qw8atbBfHDJZo2jBbxDJW7glBi4d1Gsku7vBeVpZkG8dwj.9gxvtpJaSmR2EV.xW.OD95p_W3d__qicbJ2LUoDXsfyQWbv10gh7ojaLJ7fnPNcjd.tFFUuYiWeDsjI_Y17.B7ppUVahG4Bh5G59wzE1S1gehS4HfWPvzIMYXxxkMkOI0ZRAJ9i15Jzsx6hjmwyposEDW2GQ",mdrd: "eV4egMFV1Bh4LUBBYZQY30xlj_e1qWfXDATRIw5HwBg-1749221067-1.2.1.1-DmTVwT2BSwr3jgaZCzTSM6W1o3.LJyoS1.tIbL07lFsafTDXRqJ1IfmOv.whgT2tkKH2FaZX3wTjd6deq_srNNR8j3ZOwSOv5fRZgoiBkemX.rs3Udyzep0Teq_LElatPc9cY7I4zvgO5QFIZ0yaX1C7XbDlqS..6SWlUVW4xwCcSsSyy1lGnmTHRHITx9a1x1bwawBQKutV4QLR_WkaV273ee4x4lKuZEEONVUlk6raEhsZOnmaX_TiCPDSq.FTL5qttn6WXk.rjYBCepSJoX0LxM4UuyNN_FjfxFKElkksYfiK3VnDXtMvjgNMli4WlBe35BamE6vUBfQBKC6dBXcBIS5SjJN.GAxo55Lclna58XCny378FNyq4gh6bgNvzUd6gS431KvxTNTIJrwnrtUWkGmv0XZRXXhxwQWWUzSICjepBQhIUadG9FfWF_QpmBlUtkxECEqJUgCodSqwuh8To9b_Iie1PIhtspIIPl9TxBSjq7606EAFGU.mfYxky4NGXBbzEEZ7W0HyvLFS4bNgxJhGTrEPGUc3Yv4y.Jv_6O1UlBwBBGNv3wVl0POuKmqsR5Ahv_oArr_lUx1sGsWd.VHSe.MCOjnveu_bu7wfGRrFosBQ..sxGeDbtqtqkoYXViHnflZWmYk.u2mkMVoLLFkpTIAmA7Xw2hskGBFvSvEZvMQQsRw9VutNQvUqYnEpLXTeGSa9Bp6IZ2sIXzMrA2xOp7YiYrxuopgHVcyQxRwqbJ2bYcmxCvWT5RNVPtEwGRwoNVClwGWvdTeHvZP6tI_5dxG0Y6rNaraonKvW_XH.gbG8lvRf20qR22WyjRrzzPpHxk8IXuyzKPzlPwM4VarLSiL4r88Q.EPvICu6piI.PazLAK1jbCHsUx2_SblXGT4HoKu7eL0Mxs7tc85w7ANOJcTfDZpmwhhiKc5pp0uj100l2Ys3EnboJHEkfP2nd22PUimf4IrVtv5GR.02afSjFNk9XCjuVprwDEiq34WyXewCCnEsRAZw3uCFs7aaE0AOXmjNq3OqhdqxG1Wj1ih9EZ9M7LBRdKmU3v80AGABZDUM8ls_5AQB7xPfqN8.7pGD01H9MChs1kybRtiuYm55E4wxg5o7uw.2V_FPOg1nom7bIElNYJuXjDs2.w3SR0odJ9sMTnhbxlxPh4JdXf1xtOe9PvC01HqzCfsQ4kY9vwk_PB3Q2QasfKNQTLwz.MgCsUQm6m3ZwB8OL0uPK4rH6F.idbPNsk5tLL08fa23SJzmXmJ_K5eteCzdrA3l3KApvIQHbToVhfn2KFpNdmD5m02FmNbtgR7JU3MeQrbKW53D19_jH6J2f9o3fXui5BFWK3KCSo0oVocA6Fw1AqlinYKztyj74PW3Z8Ro6CqZqbcPclbOXtbAigE.hJK97zqBUt5.holyaz8vCoQ2yu4b3awM2bl2CCQnQqTTVIFLuara618IXrg.y9wLI6DjIGs9XwopfGUFjm7meurL_vMNRA2DPdy9rsKpNhwOq3gQfY_6qKd.SnCIzwAQJKxVjxT6sGigs2V7MwumnK5nJ4e4VD3B86LIKUpB1z_x4YnYzTxWDDetFtwxqVGmvr.TJHY.S5O0AZVghmtQRAyBYzf93VVWlPREMSemZ6B0BocrGz8kNVymRJF06IH43QZcVy2nhavc1oQQszPdG4NhC1lBXIvJwD77bYCUcE.USMqhsmUcU65EwQs1gZjF3BJoOT1Mcz8qgCldoQ71SY8iFO5SPctbmktaReBkjXc6vd7hLJTpNc3rJB5IsQmRqCf4qwkQcaPXEjpgzEpEbne3rX8ssZ.EJ95mjbxAwS6rmoFAa2F3H1ud9u.rMVKVTqwJTUCTmkIhBumsGlqaOvMIdPGkCs.pc0rkBbKaDPy7iql.UxYssxUkMIlr6jyj"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=94b8b01518d239b5';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\/0129386574?__cf_chl_rt_tk=seMTPVp9VJ5K8nGg3j69.CUX_sFBzG5MujVL_bkIyj4-1749221067-1.0.1.1-__y_X7GSMqiyLTT6KYDHVfGkubcjojMg4nVcmPcs4Rs" + 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