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-aff99lxeo.mit-edu.top/post/1240675983

  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-aff99lxeo.mit-edu.top",cType: 'managed',cRay: '90f7d7d07b412d0c',cH: 'edRu0UhZrQgJieBW4iDKcBilcAtggERcMlotjfKF8W4-1739145879-1.2.1.1-y1HxyRXNyVf8GoyRfEqi6QG6QVOjLyBhVbBit7QKa8UiNpOZ5iFbVCOwJFhXlAtw',cUPMDTk: "\/post\/1240675983?__cf_chl_tk=UQN_3vWSrZnPZ06xe.t.Szf.pB9tttxongp_WUXSEpo-1739145879-1.0.1.1-uWNGRt2bv61rbCPrPmY9rxrwiyeglmcm4mz2jDgLjII",cFPWv: 'g',cITimeS: '1739145879',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1240675983?__cf_chl_f_tk=UQN_3vWSrZnPZ06xe.t.Szf.pB9tttxongp_WUXSEpo-1739145879-1.0.1.1-uWNGRt2bv61rbCPrPmY9rxrwiyeglmcm4mz2jDgLjII",md: "6L18FY4EGvY1IlP6LjUvATzbjkcDgyzDKl4tYinqJQ4-1739145879-1.2.1.1-MC6NJv07cKcVDGE5BkRaWLE68tXghFojHQYuyxQJMLOduJsnXoqCQcTDTgVXZZNV4A03WUZNz2KIlf4miC5KxWcnZ44rsvmiycZztjvLD9FwkPTv5ckNqoiRH2XBvtPo1TsnNJaJkIn.QOq3ebw8P_wahMDvKQCEJ9_bg8LDfTsmuEXGL4ilRdKslgRkNzHtq9Yi7h3kbPeCNonbvrVspk6GOgad14WEVecgXCt61KncONksvzCqRh0BMiYUXb5Yog6dTsRPqqyGUP5yujY4iFNt8BjtNbxewJiSSDzqCny3VsZ6c9GIIE0zmzv0j6cRDFcqoQykqobSYI1WR1h2ShXSl6EgSDMLZVMdW9aCspxzMP6rXKQR9BLXC0.o996xfs6vrs5v88suwznXGrrryFXH85hvFNnb5BUwnmKafOuUIChNM.M3Evc7lfDWpxxoHNksjJDsGiy39GWMWZAreo_h9hAljAtoDKYN1BVVIcabiKmvXtCRp6AvRHethxHY5ePPp7FgLQY_af6phxWDZokXqT1qQnzPIpizV99zvJmjYd1Rwgu9OSDStzhqJIN4uzIGTFxrPc.26QnNYxynyQou0AnGUcD4t1.C79WfPfVfpHObBHBsyE8NFX0ivtQu_ZQM.WEJ3wa2KTH2cv7OobrmIHn4iBthVXC7OqP8UDsJMicD88FA.risux5wdvKgVfjl.BvXPE1wVkmgbhNVFFOwFILHHSo5zJHJoazxlX_KGsTNL5p_ON3GHeBSV3mZ76Hge5eWxPrwekHMSP._IfE30BhW85UpOekKmSua1w0ory37aMOWoV0Cn2QbhI10W4eMtOL64X7g51.HH8WCu2gayPHQ98KvxVOcEGzinttxqwgq35wV1daP2i_BlWwOyQf0g2OjTCM_vkQ9rHZ.h4owR_RwDPNrmcm0C6IGn2a4vkvOGPhJ.9SZAK_c97YxcEY3oQ0O_VVeQp0cYTCiG2IqciQvfzhC3hfYsOvAI3S3PnCzgE6hb3h6fkCkOcuLcGZ.MmvFmBCd1ZLHUcUqDm.aM0C.eAkCRYe8wJ5msstYRlBy2PaLiXWSu_y08lsbK601aMnc.kjowaO0W3hhnsSjjFWBBO06lZsuw3i5zILNyBR9a7bk_HP7kRwuGODNVhS1pntkJFqJ0qSnQjYyrqF_ytC6ntdfXGD.iiop_Q38Eli1t03qBJ2IBRJoBJBG0xcSpDc4Y0Y4xPM0Qg19AUapNiXbO6WWjrdX1BuVxNzY7pmjQHV2nfuozWgzBUPgL8LADdmVc.JT0o597d_eh9xkpJ3ZLV1WWk4142ypEWMCqUtbWhgIWy6JvqbGkdJCrk38Cr3hFvTuc.RbcwkBVPCS7PuxzX0BXryPDgS_iQ7pdKpNviljbokl5FS7Epzyp66goYkPoW4v9Qe55A_jOQs0Qrk4jPbbTxdMnmTCc7orulF_ExUgMSLaq92foNJ7a0ddchJk3e7llIBRAYgb_Ypr31ebu0fqdkqyRDM1dis.kOEqczaffTkL6QnwOKWGt.WDiUw3g3gVi0gnvFRjhEVGOk4bFWdGo32azT2OpcDph0qWKkiNYyd1QRVcqIbUcUqWAIDbTuNAWQsxRAvJA_nmBPLLKf43GQTMrdLMLPp.DPFH4vtXwm7Kg9j9KLeHVW7GXueOBAU8ECugfob76H2BzjKum41s.6dZit8qHezlkHFZzCuGKSZcYyYEeTF4RF7pDX9.WeGHbvaTgJ_lGyBbLuEfDSsUbWqoCM6x4J8EDx4NjqSs_CtUj9Evrzw4P5ODYunmjDg27MRIY_dNhddQqAbNJciGQfk0mRmswUrO0a7QyOlrTKsGapmlsGzbpK0psa1BMutPdsafG_N4skzOHEU2ovrXMrjT9q1Km30m6CQZXEhHUUXBGh62DEEcyBYd3nlKDkBCgjBC2hJbnVfv9zJGVEdkHEq0qMIVSIRbzalN9W2KjxZRbHwAt5.NS1jGgYObGySYK0LAB.UFwsm2SpisYBP1yvVF9tn6CWsbpsGbP8xOtVAVY91FJTN.4YJ_ogXtMKjqLg7yLTKctxtFDlypFD8s6EJ571w7HEJRLzCTkU_ZnPf46Ev3oe_1GdWI4f.IlTSf8umCGuywirdKSxcK_o7WvF0VfcvgCzrou7lT_S5hlAdj3mGfjgGSry0Kb1X7P7W6HEX3n9wAgKtVYdLzE2z3RVuzotttHJimJrRXrPv5_DXoQTv4Zmkz",mdrd: "qwXIXAfI0u7mS.lNBzMg7LZuKLAVKZc3uH4cDSzfE84-1739145879-1.2.1.1-2iGxsfCEuO9cVEmp76N32dgtTTFxFF.4xlhma9ylGoqyYHhfvYlptINvmniNE8xKWfDXngGAY3VgJ40n5DcULgvdMotBG.EY.ctn_kJQAaERzbRud7HjkUGVT6wERYNNkLas1YlkJoa2QjXLUoK3bD3GL250Pd6iL4EJmNkXYUXJJ2LMM1tOoQwEvf_S.4EIxToKslcvriUuDXcYTfILt9DAKOJQMGS5Hu6TkJdZLmsPStkAlyKFHAqwDanHZaoOPaeSf6ndP6dbp3wIZyJ7NrMh6giIoxZN8ThxTAgMqbZAZr.LcfHhvSZlTjBiNbgKSjM9SvhmvfSfJVEE0A58lmLusON_rFMjYzG0g42l8qmo8g1wemRpEqw_lNOZAbowGbXOV7m7kRrV5wsAD6cBgKO9Mr_D8_fwojT0IZ_KCmwKsOGXcJ6974FKhDhJh8pOZCxI.wlC.s1M1sNI.Ndm0LDMx.vj8FlEdv_W68XriLHg8VRO1xvnLyMFZyD4EagEe5ZupifGqDj5w4ptCSdShl3r_4SpvaiCgBQh91.op_CN5_OCVKlDSvvuiH.7sWB0wf26iPRcd.sBaexDgKYN.0iur86pLDWqDe1it.arhrADsxYMGG70jO_5_1jillSSWjhO4xgHOr2MWin918x6l97LWasCK9BEvxZonIghgzPQZECGl4Hda6HFJH306cw3qUaBys4B02phElk4tPMR3sl148FngsGyqOvHMK9nAuTPll1GedpGiI80_PviDj_y62pWqSKXjXN8fKkoH7b7GFWa.5ucrAzzRiaCEHQN8YNdM47oZxAZ.1UniCgSr2hK3V1p05ZIXlZOrPyrlGsTIhP.eqI1Ihr8DZ7LQEQJF5XqXi20q1G_nsK2Gh.mwfTENvqZiV_M5er5LrpMDvZx3ZemSanD_RP4wUwwd_jVXAwNmo1c0ISGOaCdlhUeX4lT_hz9BtysdM5zlGD2A7t6Vm2wR1AmS2iICeCYX1ldfA358MFyPb2ynX9FCGpQCXZkx8AzfMS.xHrZNPIXEUfU69x0irolnQzKUGSiQ2y.HS8Fi924kTgQHLzmQXLALkvLKHr4ktBgJlonHUoWOf7eGPgzNCYabtbje0SGKY0Bwk1BsP._z6kavSvaUSaacAhe.TkEOOSY7ECPdf0taJ5wNu4R3Jqnu8gShNcYAEBdnkuqfQjxct5EradMU_3zvOuIgjE3tyF3q7U5tMWhEm9Zp3U4j261tJ2jY1anlM5WvYwjhlXlM.l3qqqS8iYfaykKm17dV8idg9d7B8MmpJE28M7CuGKalh3ZRLW3DwJM7blZQjTQEPkDiPm8lHujH0VhZZNX9XZVAUPXEYc_Co8d.oJjvdzT4L_KvB7wlzksjDEKkdd8NMacqgQ9pEDA48B5YBbMsCTvrU7.4Tf8hwt5oU8To_Pkb9eYAugim_zenmXTjtIVL2inv_L6GkzeZULyBCQdq4Qyx27RETuL9wQd1lGgLG8CVMsGsKzOw5RRu0PWeRy88c7dJr.EGL125VdQQ.9KZKA2TWeDOOawTkkblf552iOcyna10_01AiCxKTdgd7xCpc7qxXk8IcXUX3lFrUDIxXYv7UrcORyjETk5uLWjOFHMkJQVl__6wSd_4l2f1jtZAaTu4FtQGaLzJPMXIANdJlh9Vk8400PHa7D7SkeIltqCexczIMuyk.KjJKjl64K.XBohv4ar5iwHf1CT0YxrIdZRhP3_PhRXDSV3.DaYodPksBeoQAn0YNDbRV0L9jqm8hU_AyrDwpBk2cyDQ6m8wJnUXLizzO4_vGsU8g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7d7d07b412d0c';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\/1240675983?__cf_chl_rt_tk=UQN_3vWSrZnPZ06xe.t.Szf.pB9tttxongp_WUXSEpo-1739145879-1.0.1.1-uWNGRt2bv61rbCPrPmY9rxrwiyeglmcm4mz2jDgLjII" + 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