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-274013991604.mit-edu.top/post/3957286140

  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-274013991604.mit-edu.top",cType: 'managed',cRay: '90f7bfd6fc920628',cH: 'GLlon64OKNaP.xhRRZN_L.CJZNlBv9Oryk8ReIxHsKw-1739144897-1.2.1.1-Rc0ITlwAItBrc968G1qmqPRA74a1BRR1zmJcn9xBCao9TblQNwM.lG7z0jRWFO7C',cUPMDTk: "\/post\/3957286140?__cf_chl_tk=iY.1wYg39MUDD6i74lv1WwZV.lhklXcSm.2MDbG_Fyc-1739144897-1.0.1.1-DPI_9nc1.kO57rQFdOwufWjuWq_ObT9ntcaaCQojjWM",cFPWv: 'g',cITimeS: '1739144897',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3957286140?__cf_chl_f_tk=iY.1wYg39MUDD6i74lv1WwZV.lhklXcSm.2MDbG_Fyc-1739144897-1.0.1.1-DPI_9nc1.kO57rQFdOwufWjuWq_ObT9ntcaaCQojjWM",md: "u5W16kYOcNInKiiHHUsFiGCHqEDs_iAJxw9pFmjW5jA-1739144897-1.2.1.1-4XsyAK95q68EbwgONGTuOYvMl.7os47vNErnO2kKPHMSuW6kNQyv6LjmpkiSm6xN_WEN7hzwlcWrdr3PBhPElkyyaleogFcpbJ3Y0WVi4nJPjtyusFEjvqQlDYgWZC.SHkSuhUY1kFCSDtqlqvxW0cMrVKcOSM8DcltOZFA1ZbcEWL.obqPhAUi4Uo1syBsN0jxXdSnJsDCMiOO69lamUDszfjh._L.QNg.pztfyL2t7TpdR2LgP3rOOwx5uO5dNJtEf.X3fWzAyzt59lHyMWO_G1t73dBUyxFPXEG6YWCutVThqCLmjPAbz3Ww1mjrieYAe5QD8FM0RdwKM6CHbFKtfP2ygCA5sA6gBJqjF9CEjaNfg0ULfOvaorzwoA8MMTzMCmLDlIS5fDih_4IRm20IGE_Rx.nsDUGsDjgNJJ6cfJfHIBlXKFG7DF5kpDRZgox47hFs.IVuOsdGq4E5j1j92p9JSKXVxnyYiWVNyoVVmcNLuvcVPbgTdYQ5BCEo_MnyFgyKRpa3l7eCB2293.qXLpyoX_4FoXzlePvcLLiXZF_Rn4FFzIoUJtQXuj1Hmg1YgPTkmSEZQ6tFmqKAB_iWo.Z1MyYgfw6hfrOvr7j3.bNnRkzkl3RQC7wOGtlE20DYivAGTZzTGhHhcKw8sghKogHskzpHJlL3Bh3PWoVbjBMe3.iLJnmRJBaDvT2bh9g0OO5Kvl7uf5o_8y_1oAwBmKrxKdvTyWrHqzcUUk2MbD8JS3YIhX_wmTEY2B__UESfnXdV_YL5NOTVZougFRnkePVdD4XtZbqLW0PLn7cUohryWWSfRtX2.uVTMoETL7ENPGs0VxT9YnXcDNPtaTbVEO9NpUlO_94b_vmfIYc6vpxsh6UmY7FkA8e01PIKeUHMEqBTXRETTyf5pcVrX7gsnxG66ahqjBgflZ22vCmLtIufPJmSyVYE8NL59GZabhoBxZO1_QQaI_3GxUqq3MmPZzRZ.1GMu3mkf5R2o2CDFHDKVc_F2CzTSOuy7DAqgv3TTn9koCsmtWnirfn3zk3LnqjQb3xPSmVcqKmTQbhuD97HGfrAWqIEEcocdZPjdaquKTx0IQi7vLUDS4YxslAXRKh7E3jqP6.5xp73X7qXTnkcb1mWwO_AxH9G4cXmCd_9l8pCB86Rkwyveo9.7ujXzVqxBMnaBDK.whpULope0igzCYE4tRR7ZH4bnV_72jLOgdvMycXWSbRMRzeHELTjR9HMBAHITC5dUGNFWbgwxr2YPHuz5QkIYGEZxBZZ.iddn8AZXe.CAdSaaJ13zEr5Skrx1ZnVEoYhmpvJeoKQEgGVlWmenm9jWqB5fD_HLhL9Bp58haLKoxWIT9y9vVw7tYrPZeAIt_AOSsW5ae4YVWDGMYZ0ydTyIcVC.xBxIIY4c6FM24wge52t5JUERuC6GlE8eptLkVl_GF7v7nHGpMy62AhtlNCyMXrOtkIB1QPVC9QCzmi9rrZHlU5EHNruWMqpdtPGotHcalm930bDKka9VkVpoBtL_yhbLTeJBRFxmdK6eCWzTcuC5VREmtKznVVbgxr4esfiVdIzz1zGxBqTKmqRGpP75O8MMWgs00aBB7CAL2dhd5MYDUif6tJyf1H6d898vjBm865Um7DQqF5ca7C_mYXQ8cL3iTORxtTE8ggGQJFnkZlzy5XGaJbr2Ge_1H2307iCKtWBjjSyZ7SZmyX6zFtWePz4UVazsAOYlTuuGh_BBhvucyg7NgbD7lJlUw0nhs7d7v8rK1NRdDcR1ahdNZS_gBYbR9_lOHiOxp7oTP6E2APVRFf6S6CFR8jaV_tJj4gBGBwpD.GROpdDwqPbpt4XJG500SLZTiyi_jlHTZfGOizPB2nhBJsRsB3Jsjmv_N0x9bbY4JSbUQba1cId83bb91DlR7POyKSO9gQHulv23qivrEchfMprZcG1.zbu.89WPOTEgjYQZIk.t7N6zPyxbaitQ4lY1BTI8MswVpy.FxWN7FijFLA5KC8LBV_Dtx3WASYk6kZTGp_3cJXjavJS0xB_x82WiZPnEnhdGUuRGR4_Aqi683H0OkvQ6ipRdcpuZ_YwezX0RvY5.bjKcbfKDBrViVIKSmakp6KK7QQAIKRzyJMTFkkhs7fx4SGzzyblRWuipZ.3QA2rEl1O1fPO1di6YhL3d8OJfEfSOMIlBS_46OdwW_ADjNeeisdMboqGqXSUxyG6YdGeLEsu3oSkZZbaIwj1K",mdrd: "NlZz9HRHo6F3bQbmH4eLYUEPQOimZa1S8QdnuYfcmYo-1739144897-1.2.1.1-1fYYvS3v.saYMzzg8gQdB2_1xZP3e4yr0bm1KgTq8SYesFduRr.G_C2yHl5SpgKZdXj.lUfoFHls_nfIblYht6wHkrch_xfxqutdK6EPARum7WqbkWu17ZjqaYwU6clNueAziwKri_q9mXsSf3egdR.Ye3V6H3tygcf0aDnNZPrRKhqhXSTYTW3kX9CLhMiQiQaW.3E7ryHgvzm249WPBvqoNBK8fEexC7dgZ4txkAthvuTvUL6eKWS2HrkUy13cuxFxHKnOvuUGHZ1j8ZjAFk995_uKxB0OWQlqUJdFhHUsSdxb6LwFApbG4jbpZTA0TYP7sKUkRwYOoeawcaEttfoUF6rxycBPDnAotCzFeuk2o.vAot.6r22hozMXawSXZHOuUDBAFTKt15AQwKHw3ns5g9cAYRGM37hzJnqK.23JuPeN4ViZBormIFO.9pT3pfClBNM0s680wHVjkGLDAB.tQUnItukoZndbggAEm385TwRUApos1sSFfs2i8Td1jqUTcNHaXyRqR1yDlVivB840TQZ98cnA8mFPphT2gjnw7uqesCgFy.CwwX2EYIlXTTZuVPKJ1FWG9VpPJ4.Nz4OV9nwrmtaqo8khCyhxOx.aSSNf_TmYxf8ly45Tun27Q.YXscGadhei_lZ8uU4kUalsqdOEmpZP8f0VqFNKtkN2TLNB_YyTRR_V_PNKnYMe5c6gUjE76yUgKqOop9NaW9Ud9wEQbaToBgSFSj2EFXeWW3hgiYZgUxXYl9wm2M6PmkF5HNMbeNyNXoAxNAQtay.A_MxanIcu7oaeX_Durvhr3IEBqERnn4DNBasjSCA8gPvSkJOxiB.HZJYHnOWzXgR7LgKGOC5qAhIcRlr5u1HDTBnofiPcDHxTPcBxYEEVnBxsULOpgyXc4SMV7m1XYwPqKTrHbSbCCoK9ieNePIrb_ZEvl1rKMsj9RwuaiQtyv1IHSvwi002AMDoINIXXNWyf1Os2TqtYnn.anfWfAHiAVMrYz1V2pOnPXxACb.dKUW9x1TSuOzirYVV0QyA5s5Cm3xfx66LgCZ2NzsnKiV7cnPfEecBXusNVIlQiSNqdT_21iHEJNTayhsx9oPU0x_Mw2LhMFZqxHufBEc2eN50LOI8SIBKCquh1FzAEZqEu1xmO6geqG9RfTUCM_u8zgyxPylBQCzH6Fb4QX5MbZuD9gP8BCX9HalsCYFs5h176_Y.zSVTSr8hq1AJfYBgRCsGNZbH59V6ZY6ZHz0jtlP4T2D78dMoYWlGQ9Q5XWr6kobHMCX8RTbnY8CeDq8Wv17p49bNAX_uE1G9x54R_kxHNUHCDAqYhCCgLo_PFf_IbZs7knp9x.NjB1CvWCKbrlxH8pIsOPO55rIAgAInftZMTGr0mYFVmtg5XtWBVDnb9lnW4YsHP1hY5Ys5bWILaZk4wqvMJjpL47UQQfNJc4DLyInIMLY2UwFhmLqZr1.R9YnO7Q4VX3O0XLWZfzHLjp_j9IFpKXQk.XzcE9XZNuVOnjuL9NRgqV5c2j0krnrLp8xhAuVevcIy5aY9EqDfGfSe5.CP8SA4f4G1HXIHvWHtGSZCk_5lJCWJGgaqa.AVG9.z9xxWOgVCIvcFQUE4d59ZnPlUFrY_5wJ3jL8Nb2VlOcun3gF190B1YFrRlDTY4kdWTRAKneEp7YRrGDxmxydgGEfUQlY4Qn_5RaUZGPozNbgYUQachKcv_AWu6BHKeqhwZT27IZoWla3QqTVIRKruZK2Q6dpNGy8dQ4oe8e6N3oAlx3Vkgqy2GcQ6Yh9LMKq8qlxl56sdxFLRreLBDhwAQ_qQddErAtJJ5GlSbKTI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7bfd6fc920628';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\/3957286140?__cf_chl_rt_tk=iY.1wYg39MUDD6i74lv1WwZV.lhklXcSm.2MDbG_Fyc-1739144897-1.0.1.1-DPI_9nc1.kO57rQFdOwufWjuWq_ObT9ntcaaCQojjWM" + 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