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-aff1c9jli.mit-edu.top/post/6802375941

  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="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-aff1c9jli.mit-edu.top",cType: 'managed',cRay: '90fb29a3fc2081f3',cH: '9TRczV_kxJCRkw4YIs99C4Q242ByCIGhTybt8zoSoTM-1739180688-1.2.1.1-Q4.47V6qRNzZdevRcgl6oqFniP7Z7p3CRAhm.Ms5n8qbspbvmYOyG9tQassr9jtY',cUPMDTk: "\/post\/6802375941?__cf_chl_tk=ThM7NAhaL8CGniHeBMK3kehzPm4Kp4QOJeSgr99zM8w-1739180688-1.0.1.1-BQM8g6e8VtNOb9IrxDU0X73DJadLAQ6E7AfGCHoU5w8",cFPWv: 'g',cITimeS: '1739180688',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6802375941?__cf_chl_f_tk=ThM7NAhaL8CGniHeBMK3kehzPm4Kp4QOJeSgr99zM8w-1739180688-1.0.1.1-BQM8g6e8VtNOb9IrxDU0X73DJadLAQ6E7AfGCHoU5w8",md: "fMggJa_6KvxIPTDWf1OV3j85T4lv98flwSej3ImngFs-1739180688-1.2.1.1-XH71YQqoo9qxsP3_R3W6hohSa6EcATNrMGpEYiWuF4ZTVD3GF1tlvlZvdw7Zo7Y1NsTe9QlQNFsGgqI7dwQTjrDZa.CS9YolIBtI_w36m_EcromFrQnSB8oVVbKKAxr6TsGrEXwOEkd1mlMmvtBbEckrfxuxqp25LlkCPPDGII5fG6mHlLB6d3wcyi04aqpzgaKiDJhKhH3PkQddZHf2izBUAM0Or70AI5MTx.01RPRFo.OYusrrmgf3KXSAIoled6GGgu2COLTF5TjGAlyJqGZQ25RZmX5DyvXdUlNO9BISRdtfunBIDGSDKRHlPNZVpZ20Yw.LuBWEyu0JqfcZR7DPiFxIRi12IMVV2v5H0ANX5cyuAJwKyZt8gnoM6sRADLYecjrW8sUZWSKq79SKgAnpCjDfEcD3gwJ62ddwXKpG6OPrM2VqAnVZkGkhUwvEkQeRZyPr7V.Low7HW6vp0sFADrm3w2zGyZzZ2mmijehX_jUDLAq4nwi0tFmAKD1WyyMkzB9E0fmt.cQOhS6P4OZNjF9CH0vh51_wpLWsMhIXhL3SIuqClEmEnQR8js82yc_4Ub9W8.fd1ewxQi3gGsL61mOSuEsAl0e1bsSW0v5tWi3_LYGpq_UswG_3N4EDLoJhLFHvKucCruI0cWe5m0m3rTVPHfuX8gCov4mjhHRK95g3zM1ECaagc2LGJUqwBhU_M_oKQMZalss9rnZuVscBNSHtSeXp2VX8zZOgqf9vD_PialWwrNGvPeY7sG4dAlSSo0wVjbchisu3.FZ6iYX.YOAvAKiVXCiTYluNgy_rVAsP5VT_RkFd7fmT8D_ofhSe12CTWCfDFj2Ysd32A5eoa6KVAOdMPJYFpBf9AfYTvHqySNKcN0l.RRuZrFvXQERo0bZhVzriChTW0OYZUZ6P0Pes0UR7JzT1DmHGRSgn93G3tkapVpEovl5nE5srF6_rLlDLeAxaOxa6FZA5QZwNROE8PqcCJzznJJrXkE_etPWZmP3wibARbawDmxZS1efyL4ol2BDrWqqadCFR3XyPKKKZjROSfxJckGBMiM11JGXmh0veBwCEqn._b.MFrxij9NUDuv_qqfwh6aI8U5sBtl1c5WL3IJElSuSp.tJ5_HiHOPA.cM.mlqb6U3RffLZf6UVqJxxDsdDr8tu_G9skWIVyZk_C4KEgziFkW78qASoiPq0Admnb.CHTxsSe51b9PXFKSfQCyrJHMjSzhWUSa94nd.qyomSfYQU9rYqBCK.cNMYnw8_hORgtdK7jYyqMaSz0FnUxymxQPjMjQgviznMr8.yHCGu7HDPPAqH3yBjqz9KxYJicOjSL1S2oH8BoYtQy4kRfaFuWNeQT4c4PMf_TGsEaqtLcx5Eo2Cio3m1oq8itJVbpjpqfUNm0FnoKH4wXTjT3JiTC_wlYwQUzo3nubS4bloHWRxvh9qFGle1OYagasdj3MFs8ZERiHUQZh0JtcNXxLhily7ubWK.puj2BDLJuyr6TSNz2VKn2qV6Nh2AHQheEjD34THo2b7lh847Ij0h7jf.aVPMiI2ao4DDv5GNk1_NeZQjPcjgKT6R0P7KjiuioFGr8fN55l6aQHDiuL35fn4gPBlhKeaLeLcoMF1r3AtA8XmhaW_itTyolwTLwf4BjWkuLhPO0gIhqEFT6sJfv.p6YLAg058S6DQbHGEEjZjX9QEVphhCN6eDvME9zsFtwza6PWGVn6rm38nhwIyaIQuHPSLOouQWhPvha89eFCYidQ0Z_wFeztw_xTcaKUZXrUqLSvhMdokIc7G6.nODQ0F698ZeIoph5nsz4cCEXrUl7ogRel556ru6hyHjttrW4pm37r0O0RBBKJmU.jaQfN.krxJT_xcTwZybgqTzQXwCFN7wjXkYJHbEcxZmJUMh7qhg1eLO2cNQkz4emTgQ1aWWOSB3LSBv_YTwmrWkXcxyzDFMHtjbavUdVjD2OZ03vE0pJuKtMXGuQ1taNGgjQcQ7aE4u_cWzeZmImNm0fAFC1EgUf7lkMjKTA3WGAPkchnGwDYGp8sumVovji0_10yulQpIS8DcuLT9aqqUqMbk_p_RsAfIjwRRZnujfVikFRF80UamgodzFkkQWEHBp7XV4kVcz4qBJqcv6IpQgFmTfRnw2SvBwTNGWaxZMrF7lOV11VY9QydU1p7EL0OH.uCbAGDylRzOrwh8NWYCS9G7zzdKl.Mw1.uSHUmvrfvLfdV_5Q.C4T",mdrd: "XonljGsXb.lVY3QVaIy4KQlenAImvdUgBX72.ZRYnOs-1739180688-1.2.1.1-PXBvQCxf8_R7rjC78aKB6wWRJLNLYMGcTG3Wyzy3g9CvoGSr8xka5BcKDuV7gK9nWg.SZ69GkeCDDUe393NaQQ_6H1Q7ea7Hd5LwlVQBEmOARWt1YpG5jaJv3OwPZTTZ9GWMGj5uJzHxU03NWqdeWsyO9ul3gOxmCXLr5VMKHskDcqePC9zXrIastvFCMijlmnTa.M1wPuRZMX5BNe0kEsOCyAIQMeUXVpb8azxc2jxV09GXdaPbdiGzRBHz2ZBmh_JaPyteLT90_ViEU37w0hjZfWuRDdlB7G6NdsyKGmm5_ZBxdIdRfshOqENrPmBuKYA3s.nzkD0HPu2vIa5A4FB5hG5468XzdM6TorEMaTR8nczS6DPa7Wzdl_.eokRGmsoQRu3kxmWSb27fXZLX3FByo6iqqZRVcklsVl6O5I3Z3BjK6ICe_.XR_ZlqBISyNqYIODznfYKYV.UmRiGoa2T5wRikaMOeiTPebsIuh0GWTcXjbkWQ5C_B2gKzYTcOtPWMIo3hsmvNYpbforBH3Jl.w20s43t1369abQn3dLs.9ObTWv0BG96HBz5gszqVH3_LkLMdIA506_1wMso2yR_lBZVdfz5Z01N9IvEh7Hroul1AFab2o5uC.Q993szk5w4VB.1OCIbxMI.NdQB4g1XaTMrlfUhXcQhzpVvCui5RvK07Gxen_t6dUcPaL2rQUWiC9z25i.P0MXfUGd8tYc3ccImR_aSz5QsQSHGp4Tl7I5rNvxkOUNpL8jP7xoxu3Zw8czKdXy9srNvIPsSV9nnvvifpBf3ruAOXnKKUwjiQDU_ITT1JsqriT0ULqIUiFmgOJ4BzksZOaWU6LeWQ51BnWAUjnzXZkPnaOhzA8JmhVbe4PDvD8RuNTouCsgcW25.eOfhfw59_7C2tMKXs1eC0d9Z4l1nc4Ze7aGYDDUKEQa.d.urcWrMAoVaO49lta7pJJs8zlZjj1PA66_ZMDDCO5.DklRLfzuZ.6tmzFh3wefwMsq_yxBzHR5uzjeM.ZVq7jeo4RJY9MPN7rNH.ArkafteZf0zRCxiRpNNJj0daq6z2zQmaSIjE4CaLHJy.2NiN8Q0YJvvjOKJMRb2JVn_7GnjTn9zXDI_R6Njt3NTMbkXY1_QTAhBcAFZ8I69Q0sXT7yRhUejTwxuqFy.lQHaHsWW.McADlETs2AH8LEpEA8To4k1Y9_V4Gr8BY1vrXu.d7iEXQjkfiudb2SpvCOmPTRGNtHGHBZGEVmtQWcY_gwHT0Z6buMEGocVyf7XtT7H7UsDcGXLKpZ.CcCo.WTPzfZAUh6DQxTBfjlAeeZrvJ3WNaG69o5psvlntytqz_Lgc614g.gLJQhyALpJi5xNcz7c_.nf1dUWvUHVjIYa1WIWhCVQM6YSbgdChhoyeXsfk6p.AdNGz2yByNsBdmblO_t4YTUXBKpI_hdu__sGRsBmYkVB9re968lbQ_SUD2sNwm3b1Xiwm_ZhU6BWsFqtifIILHk19boXWGk0btQL_aabxStn6FsWEUWMkbnzGtjNvA4GsxPRh453lbTk53wQKpDzH3CqJ8J3P0y9A5.rAskrzVW6R8N1Bm05fo593aaBfLBIsqA3qOehgr76JEGYMfPqp4nF14tRbdxtF9vsYZQW4BcnN6eexgocKb1JOIB6nSQgtpZVJgnasXHQ0Wo5iq8IHd8lyEmkhZdlpxkCJMknjjC6ipWBSQFLZ5opwPv3FeM0lvHR7bxWRR2Qd9uAgm4JucCU.GQjuB0VAhBiNtAKmMCP.9W4hrhGEsmt5lc9GvHsBuht67lF_4liaSw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb29a3fc2081f3';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\/6802375941?__cf_chl_rt_tk=ThM7NAhaL8CGniHeBMK3kehzPm4Kp4QOJeSgr99zM8w-1739180688-1.0.1.1-BQM8g6e8VtNOb9IrxDU0X73DJadLAQ6E7AfGCHoU5w8" + 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