It seems that favicon and icon links in the 2017 report are broken.
There are links to paths starting with /images , not a relative path ./images.
~/annualreport/2017$ grep -r "href=\"/" * community.html: <link rel="apple-touch-icon" sizes="180x180" href="/images/icons/apple-touch-icon.png"> community.html: <link rel="icon" type="image/png" sizes="32x32" href="/images/icons/favicon-32x32.png"> community.html: <link rel="icon" type="image/png" sizes="16x16" href="/images/icons/favicon-16x16.png"> community.html: <link rel="manifest" href="/images/icons/manifest.json"> community.html: <link rel="mask-icon" href="/images/icons/safari-pinned-tab.svg" color="#333333"> community.html: <link rel="shortcut icon" href="/images/icons/favicon.ico"> donors.html: <link rel="apple-touch-icon" sizes="180x180" href="/images/icons/apple-touch-icon.png"> donors.html: <link rel="icon" type="image/png" sizes="32x32" href="/images/icons/favicon-32x32.png"> donors.html: <link rel="icon" type="image/png" sizes="16x16" href="/images/icons/favicon-16x16.png"> donors.html: <link rel="manifest" href="/images/icons/manifest.json"> donors.html: <link rel="mask-icon" href="/images/icons/safari-pinned-tab.svg" color="#333333"> donors.html: <link rel="shortcut icon" href="/images/icons/favicon.ico"> financials.html: <link rel="apple-touch-icon" sizes="180x180" href="/images/icons/apple-touch-icon.png"> financials.html: <link rel="icon" type="image/png" sizes="32x32" href="/images/icons/favicon-32x32.png"> financials.html: <link rel="icon" type="image/png" sizes="16x16" href="/images/icons/favicon-16x16.png"> financials.html: <link rel="manifest" href="/images/icons/manifest.json"> financials.html: <link rel="mask-icon" href="/images/icons/safari-pinned-tab.svg" color="#333333"> financials.html: <link rel="shortcut icon" href="/images/icons/favicon.ico"> index.html: <link rel="apple-touch-icon" sizes="180x180" href="/images/icons/apple-touch-icon.png"> index.html: <link rel="icon" type="image/png" sizes="32x32" href="/images/icons/favicon-32x32.png"> index.html: <link rel="icon" type="image/png" sizes="16x16" href="/images/icons/favicon-16x16.png"> index.html: <link rel="manifest" href="/images/icons/manifest.json"> index.html: <link rel="mask-icon" href="/images/icons/safari-pinned-tab.svg" color="#333333"> index.html: <link rel="shortcut icon" href="/images/icons/favicon.ico"> leadership.html: <link rel="apple-touch-icon" sizes="180x180" href="/images/icons/apple-touch-icon.png"> leadership.html: <link rel="icon" type="image/png" sizes="32x32" href="/images/icons/favicon-32x32.png"> leadership.html: <link rel="icon" type="image/png" sizes="16x16" href="/images/icons/favicon-16x16.png"> leadership.html: <link rel="manifest" href="/images/icons/manifest.json"> leadership.html: <link rel="mask-icon" href="/images/icons/safari-pinned-tab.svg" color="#333333"> leadership.html: <link rel="shortcut icon" href="/images/icons/favicon.ico"> stories.html: <link rel="apple-touch-icon" sizes="180x180" href="/images/icons/apple-touch-icon.png"> stories.html: <link rel="icon" type="image/png" sizes="32x32" href="/images/icons/favicon-32x32.png"> stories.html: <link rel="icon" type="image/png" sizes="16x16" href="/images/icons/favicon-16x16.png"> stories.html: <link rel="manifest" href="/images/icons/manifest.json"> stories.html: <link rel="mask-icon" href="/images/icons/safari-pinned-tab.svg" color="#333333"> stories.html: <link rel="shortcut icon" href="/images/icons/favicon.ico">