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-524200423085.mit-edu.top/post/0423986751

  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-524200423085.mit-edu.top",cType: 'managed',cRay: '9110ba7e8adb2084',cH: 'MbHo2fJww2Eemy20zbeAOzGyiOOzwRSCJT_Hoq.UCRY-1739406822-1.2.1.1-pkKF1XDtlgLBMamyR2RioeM6t4FKbgLw90_fn48YwlwXDSOWLKf.2I2Ee6CRoIQw',cUPMDTk: "\/post\/0423986751?__cf_chl_tk=k6SsOf8MhWhjpgiJx6qp3iOaSoXGLOEN7SXTKJKI7pA-1739406822-1.0.1.1-WzzHaHlncJUF9AC.tVev2aUAOSq.wyg9Lz21rcZtqas",cFPWv: 'b',cITimeS: '1739406822',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0423986751?__cf_chl_f_tk=k6SsOf8MhWhjpgiJx6qp3iOaSoXGLOEN7SXTKJKI7pA-1739406822-1.0.1.1-WzzHaHlncJUF9AC.tVev2aUAOSq.wyg9Lz21rcZtqas",md: "Di2SJGhQkk9rMLu0ccoRAFCmymeGYISSjLAXm6UP670-1739406822-1.2.1.1-iLFBhndes2bGsWtqRjzB0zbzwIfTUZTXLemlu3dteTeKx5PezHqSQF4dAxWSMGCNg5emd2PzNE8jNm4dXFyfxmxUHzwwqI3PSMCEkyk4fsLVwz6EFAidLWF2IIQ4d2UHRmNR_bgs6_ZJZoqL7DYzylNgYSQDZfhb7d8ZZLXLL6d2RvCCrsC2MRC26VeE6nNDso4a2GLnuGil7LuEQyAaDUfsEV09RU.Bkv6a0j1GttHAPOZIWi7go1vXPa48u6qwDXkbYXS4uSP.W7aEzYcNBO5qQG_CjEoHAtlLyS51dlNFpwghwDgtjdxVv87uJ6nOlUqPHFEot6hosnCoOCnnCJhJSV6ypViiAgaint_vznoIaGouHG9KnFJE8xZeJdNKpy84lEyjr.9baxojbLbFO5D.NyFdcCh6wrVKOup09DmTr3sloA0bp91dmwDEIe17EH6Kjw_fwDGun_dYdFeBM0yJM3khvLyVWW7gshC_2hnZJqiTCNEBt.5fD3PTwDtki2bOcpa5sqiHzRWh9eUtuovimVHRgR6wXvjAJmi4XqJktF1_n6vDI7Wnd971UvCjcqTCw.orrxu8cb3IxlAjCVw__GUSc7MFaY0Nk4rKVxA1yyZQo2GdULEjsp9B__6LONhM6V3x_OxbV20yYAmginPMXqUfwZ6ZaaijTB3tJJA_cxJ0Cff1ZHZE7B9hlpX0tUHn3G8lyQtkN2DHzRtQ9kvBq8EuZbFcEYUw5k_AHqzpXkbQxrNZR14PPS8u63ArsEklvUAMSituElhSP1nN72L4Q8jAu.reDa.H0WAwyFeFsuQJX_4fj4DXAkGLBxh5t909YBroEbaMPPRuFhFRE3JPK4DtZVTPREwSW1u8gbhk8XOJSvU7E5jVB_K8DdeNMgaCuqiile4LuELeUx0TF3EpJX.8a04_2TszRB4oEVhsmHg2.BOFO7T78mUjQeZ4j39MSvjuYNiEY4cYjPX77s9_j_xTdoSwQ1yQDfdYEXdpbVnZuzN2wmnfXggYutfykLxc46lJppswLl9hcJr.dd1_EFMtGOZnp97Xc6YI7oSLSwO4Vy_WK9b7vB4SkaYRhW_Ik9JR_Kz2lvZw6A.uBFf3dPOyadi7Tl1N_Zf23jhGmyP1Sd3FIJmxeohiIFbCAZKUVrVJR8eKvKyrzR1YCkOMxQCVu6wx7T6duA9qnZTeuO5uDA_7aqMxIOG0g1Ksgi2vku7mtK.m_06j8B7opDZaHO02rJdvuaTr.N7Pp4ixcZYLqQYzT.uoHS2tDh5yjDL.U.PxqDLpt0ZM00R1JTkWERTWyl5C5pV5GOw.rX_Bxb9WeRYrW0aMoDjmfrUt7qWHmQtPTebou9FxgPTwzADjGw5g0pYDUsEnxQhub8wyGtoVjdQbeaIpNjAUK5uMFV.7UxaJPih3nv_.4SV.ONMWpbts50JTBKWvJwczRGpKieIYdtD8drd293mmgaQ424Ju2Aja82vPlNYxR6Zm1Pn3pQjqwLCKcwB6FRJGIqpBiW8i_P5mdxiwUi7q_clrXUr8HE_edVMou8aGdY8pM4eKMDaAUEDltiMcCfc2T0ypV1No0O0gNPeWUUl.1hkIL7wDvpvhL8YZp2XpGQReJf48rcpE25zkzWM7FKciPmk775VKOw3IfJANx.BFuMFRgkcyfm6Cgi9UFgyuc0JM2AsG.HMq3sMj8OJydF9EUIhKKaGTjQdMUBP09vhKshirillx_I3tXW32wosDHJT_oeFem.3jrRsDjr0em.e2p4xGk.xhbWAWSXL3hwrwDmsAQ9IBw4tllyrfH8t_d9FDMtkkQbrpWUYUG6IlLhrXXl9isk6uIPOb33ZLPoupxBVhgYPUJL7wsYfTw0xyw5jYNPqtutfZNQhEqLEp.GSLFmnUV_hvkuMMaJp0DzuqWscAVXRXlsH1fYudrUz_1yZhO_nzXTSIZ3zz.FlrvbQpuVKPv3jgued6rIBqnvOiGGd83uAJSQX.Aq5v37hCuQm3VtLLodL2NRJNY0Iko6W3H8tn_8Wgh3aFLL5Yw8omUV5PyNcBnoYUlt3JqttR4GAh231PCQ5a6B.PPNu8I1Ruf0cE9YWo.T56266Yul_AI71MlMdiVGm9YsxrQ_0vGhoFawEJu6ItWSZWcdNR9m4Y6__PZH_enyIbSIA2rBpRz0X3zS3pbFUmjvEsQbWY5UtBKJ6D79I4cIDUICixO3O.bLv3VUFXibKsHqrBw3sw3HlQ",mdrd: "lH6S.Gxz_.iHm02DWC5MRS7_9WEGbM5mGAoosMSq_y8-1739406822-1.2.1.1-iARFtHgHVg3FzffYtKu5v9AEu05Iiw_vIbMM0TCoQwUpiu7xTCv.hf4uoSkokzviCOsX_ZPkDkIGfJuSaDoRDoZowpCFcDSvAUms017WJxxCfaO0koCK0E.1AM_QT72v2lnCgSOhxZkLJpbXivetKk95v8oCHcR_I9Z9VWbLlRp7nxkMlQhOpFbNCDiQlfbjjTkAQiRxxXvrmaxqB6NkTkP011YZ8gqgC7lHmh8RXp6uMYrvsyMCg1yF5aNIBQaSaWZKl11_w_xJ2vHrP3Q3A0S9aEF0Ll48tHJoT9Tbhw9WE6jbNLHqVojpB7JegBrQDy958.Y5Bs86osnciuGUAzn9Gq0wYG.86rnHhe1sN.fYom_vfBR3n.o5CVCa_.gTExHmA9SyGu6_Itrnuzsf7oc_hTp2wi9zRsFRUcUUwLZ12Z8BHwgXHDJhu1GENSrlVSrAeueJgdtEvSCviAZ3xUZ0RPo_zNDFjJY_RHEmJhrGIph3tfm.m9MeXOG6tfpcn1sg8dcuA5U9dmVz2i39kC0OedmGBnlDe0NZk2QkUIhfU.Zv_8onTfEOHtyOkVk3nRMJh9thmy9zIeRaEl23glv84TRLBejFaKDKR9bvDiGC.3dXuHIiM6arFIgIcZ10LeWB79bCF4XtG2LVDaxM7wE79GW6KPT4jP5GysKrLQeCy0TpStg0uOPvgMcb6axXV_Ad2NVrxSeziibJbo4ZU4W.716ZKb_BtrVXNIoOpRuzmCK.hVQu29SIL1DVHmk9A3Xp5i3pZw8nAMZq5FQQjpqBz5owt5JSTfmmgPyzSHpbQJrblz_Q9UuF8uMJ.yY4wIJwCr.Vp6iioYUloTWJspyAic4T79qHJi_aW0bN4lsvJze3O4TIvD8SoNA5axuSicclyq9i16Jrwu0FFSem2LD_sR32Afw8K1hb7dEq..4pXCmhR4fc9Zet.wb1w3NJlT3t9KxNJf92XvQmCzFr45vzE_MX1P0u3AjUpiEFXJWOdRIrjRGNVQdpcBxd1ni4b4N1SOpiGnxyAyYha8WshWqTsd790R5_Cx8I37F4WkVpu8FIC8gD5InCjmzHbbeIvvXFki8nsTBoHgVNgfbzcX1IU6vRDbtfwQi5sbnGtzUdY86H2q0d04lGevh.mcrBQl7_vx7A4g5lH8jVpfdnlX7PUSHr6yIaOyBXDBcBE5yxoLt9mXqJXYMKQFARdeUeuh84qejkm7DX9igE64cK2pF_cNYypn5696BNv5OGjXaN.2e6mDY2e.U6r8Ue3Rf_6ShxMkx8VYQ.iBIH3yCx2JMVw7UoKNvYbS_YAxFEsuKDbPtZqKhZWIsMYOMzQeCF3GQzd9TO.9jE45KJxaL5rOQRG1snLFoLk9PctOGsvdWXz_a2FsJNVnWc1p5HISQCtmwT5n5V8PcrwhhHMmriwnfKiVmroDZ3QtCiIsmS7ArroNQz1N94nR5Z7vxIh5A9YykOxYEexYF01nHqw1aIg2Q.dEQuS_A3Xd96K3dKhRN0v3_0WlP1by6Pga683ASu6HSqa0OtPrDiHlgJ.fEzTh6SYo0TJW5ElgwJV1nVMT3CTlqVLTANB.pqDbIIA_NJq3SW8VXIPMIEplMIHK3lOg4Mn4wuvsychJuhQrrFP6L.9auLU7Mp3AJU9SmlO5OT0CB4nBPqvo35apDyzRctJYfEeZMqarKyCBvOC.D0g7chdwEpd3cJD4DoKaXB8sW6E1aE9iaaGeXDwBwGZpaIcAFIkjyycTJquJRhbN6amToqngqqj_YdmxoHVdHnSPknUoSOY4Zak_GTamlxWJ5izc7EwzKwTonXtbZHoYk0kgY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110ba7e8adb2084';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\/0423986751?__cf_chl_rt_tk=k6SsOf8MhWhjpgiJx6qp3iOaSoXGLOEN7SXTKJKI7pA-1739406822-1.0.1.1-WzzHaHlncJUF9AC.tVev2aUAOSq.wyg9Lz21rcZtqas" + 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