[ImgBot] Optimize images

*Total -- 7,464.84kb -> 6,459.82kb (13.46%)

/html/forms/image-type-example/colors-original.png -- 47.54kb -> 0.46kb (99.03%)
/css/styling-boxes/backgrounds/tile.png -- 46.36kb -> 0.53kb (98.87%)
/html/forms/image-type-example/login-original.png -- 69.22kb -> 4.13kb (94.03%)
/css/styling-text/styling-lists/star.svg -- 3.36kb -> 0.90kb (73.33%)
/html/multimedia-and-embedding/adding-vector-graphics-to-the-web/star.svg -- 3.36kb -> 0.90kb (73.33%)
/html/multimedia-and-embedding/mdn-splash-page-start/originals/mozilla-dinosaur-head.png -- 298.90kb -> 108.49kb (63.7%)
/html/multimedia-and-embedding/mdn-splash-page-start/originals/firefox_logo-only_RGB.png -- 774.44kb -> 334.43kb (56.82%)
/html/forms/native-form-widgets/map.png -- 55.78kb -> 41.41kb (25.76%)
/html/multimedia-and-embedding/video-and-audio-content/poster.png -- 30.94kb -> 25.70kb (16.94%)
/html/multimedia-and-embedding/mdn-splash-page-start/originals/mdn.svg -- 11.61kb -> 10.33kb (11.01%)
/html/multimedia-and-embedding/mdn-splash-page-finished/mdn.svg -- 11.61kb -> 10.33kb (11.01%)
/html/multimedia-and-embedding/tasks/images/images/blueberries.jpg -- 98.59kb -> 89.41kb (9.31%)
/html/multimedia-and-embedding/tasks/images/larch.jpg -- 355.48kb -> 331.47kb (6.75%)
/accessibility/assessment-finished/media/urban-bear.jpg -- 72.33kb -> 67.59kb (6.55%)
/accessibility/assessment-start/media/urban-bear.jpg -- 72.33kb -> 67.59kb (6.55%)
/accessibility/assessment-start/assessment-files/media/urban-bear.jpg -- 72.33kb -> 67.59kb (6.55%)
/javascript/asynchronous/promises/coffee.jpg -- 21.17kb -> 19.93kb (5.84%)
/javascript/asynchronous/introducing/coffee.jpg -- 21.17kb -> 19.93kb (5.84%)
/javascript/asynchronous/async-await/coffee.jpg -- 21.17kb -> 19.93kb (5.84%)
/javascript/asynchronous/async-await/tea.jpg -- 22.35kb -> 21.25kb (4.92%)
/javascript/asynchronous/promises/tea.jpg -- 22.35kb -> 21.25kb (4.92%)
/html/multimedia-and-embedding/responsive-images/elva-fairy-original.jpg -- 690.19kb -> 660.47kb (4.31%)
/html/multimedia-and-embedding/responsive-images/header.jpg -- 181.90kb -> 174.59kb (4.02%)
/html/multimedia-and-embedding/mdn-splash-page-start/originals/red-panda.jpg -- 451.80kb -> 434.25kb (3.88%)
/accessibility/html/dinosaur.png -- 6.71kb -> 6.46kb (3.58%)
/javascript/apis/document-manipulation/dinosaur.png -- 6.71kb -> 6.46kb (3.58%)
/javascript/apis/fetching-data/can-store/images/gardenpeas.jpg -- 61.86kb -> 59.69kb (3.52%)
/javascript/apis/fetching-data/can-store-xhr/images/gardenpeas.jpg -- 61.86kb -> 59.69kb (3.52%)
/javascript/apis/fetching-data/can-store/images/tomato.jpg -- 119.74kb -> 115.83kb (3.26%)
/javascript/apis/fetching-data/can-store-xhr/images/tomato.jpg -- 119.74kb -> 115.83kb (3.26%)
/css/styling-text/typesetting-a-homepage-finished/fonts/Lovato-Light-webfont.svg -- 68.30kb -> 66.08kb (3.26%)
/javascript/apis/fetching-data/can-store/images/carrotcoriander.jpg -- 83.07kb -> 80.57kb (3.01%)
/javascript/apis/fetching-data/can-store-xhr/images/carrotcoriander.jpg -- 83.07kb -> 80.57kb (3.01%)
/css/css-layout/fundamental-layout-comprehension/images/balloon-sq2.jpg -- 34.40kb -> 33.36kb (3.01%)
/css/css-layout/fundamental-layout-comprehension-finish/images/balloon-sq2.jpg -- 34.40kb -> 33.36kb (3.01%)
/javascript/building-blocks/gallery/images/pic3.jpg -- 41.66kb -> 40.48kb (2.84%)
/css/styling-text/web-fonts/fonts/zantroke-webfont.svg -- 98.81kb -> 96.11kb (2.73%)
/css/styling-text/web-fonts/fonts/cicle_fina-webfont.svg -- 49.92kb -> 48.56kb (2.73%)
/html/multimedia-and-embedding/adding-vector-graphics-to-the-web/star.png -- 2.41kb -> 2.34kb (2.71%)
/html/multimedia-and-embedding/responsive-images/elva-original.jpg -- 1,106.10kb -> 1,079.04kb (2.45%)
/css/styling-boxes/box-model-recap/teddy-bear.jpg -- 75.62kb -> 73.77kb (2.44%)
/css/styling-text/typesetting-a-homepage-finished/original-font-files/webfontkit-20160419-074110/josefinslab-bold-webfont.svg -- 66.47kb -> 65.09kb (2.07%)
/css/styling-text/typesetting-a-homepage-finished/fonts/josefinslab-bold-webfont.svg -- 66.47kb -> 65.09kb (2.07%)
/javascript/building-blocks/gallery/images/pic1.jpg -- 26.31kb -> 25.77kb (2.06%)
/javascript/apis/fetching-data/can-store/images/tomatosoup.jpg -- 48.50kb -> 47.53kb (2.01%)
/javascript/apis/fetching-data/can-store-xhr/images/tomatosoup.jpg -- 48.50kb -> 47.53kb (2.01%)
/html/introduction-to-html/structuring-a-page-of-content-finished/favorite-3_th.jpg -- 21.89kb -> 21.46kb (1.95%)
/html/introduction-to-html/structuring-a-page-of-content-start/favorite-3_th.jpg -- 21.89kb -> 21.46kb (1.95%)
/html/introduction-to-html/structuring-a-page-of-content-finished/favorite-4_th.jpg -- 21.86kb -> 21.43kb (1.94%)
/html/introduction-to-html/structuring-a-page-of-content-start/favorite-4_th.jpg -- 21.86kb -> 21.43kb (1.94%)
/html/introduction-to-html/tasks/narwhal/narwhal.jpg -- 42.81kb -> 41.99kb (1.91%)
/html/multimedia-and-embedding/responsive-images/elva-800w.jpg -- 110.99kb -> 108.89kb (1.88%)
/html/multimedia-and-embedding/responsive-images/elva-fairy-800w.jpg -- 125.01kb -> 123.02kb (1.59%)
/javascript/apis/fetching-data/can-store/images/chickennoodle.jpg -- 24.99kb -> 24.60kb (1.57%)
/javascript/apis/fetching-data/can-store-xhr/images/chickennoodle.jpg -- 24.99kb -> 24.60kb (1.57%)
/html/multimedia-and-embedding/responsive-images/elva-fairy-640w.jpg -- 90.87kb -> 89.52kb (1.48%)
/css/css-layout/fundamental-layout-comprehension/images/balloon-sq1.jpg -- 27.74kb -> 27.35kb (1.4%)
/css/css-layout/fundamental-layout-comprehension-finish/images/balloon-sq1.jpg -- 27.74kb -> 27.35kb (1.4%)
/accessibility/assessment-start/media/wild-bear.jpg -- 71.00kb -> 70.04kb (1.36%)
/accessibility/assessment-finished/media/wild-bear.jpg -- 71.00kb -> 70.04kb (1.36%)
/accessibility/assessment-start/assessment-files/media/wild-bear.jpg -- 71.00kb -> 70.04kb (1.36%)
/html/multimedia-and-embedding/responsive-images/elva-480w-close-portrait.jpg -- 81.49kb -> 80.41kb (1.33%)
/javascript/apis/fetching-data/can-store/images/spam.jpg -- 46.11kb -> 45.54kb (1.24%)
/javascript/apis/fetching-data/can-store-xhr/images/spam.jpg -- 46.11kb -> 45.54kb (1.24%)
/html/multimedia-and-embedding/responsive-images/elva-fairy-480w.jpg -- 61.99kb -> 61.22kb (1.23%)
/javascript/building-blocks/gallery/images/pic5.jpg -- 62.93kb -> 62.21kb (1.15%)
/css/introduction-to-css/fundamental-css-comprehension-finished/chris.jpg -- 40.00kb -> 39.54kb (1.15%)
/css/introduction-to-css/fundamental-css-comprehension/chris.jpg -- 40.00kb -> 39.54kb (1.15%)
/javascript/building-blocks/gallery/images/pic2.jpg -- 58.97kb -> 58.32kb (1.11%)
/html/multimedia-and-embedding/mdn-splash-page-start/originals/firefox-addons.jpg -- 44.73kb -> 44.30kb (0.95%)
/html/introduction-to-html/structuring-a-page-of-content-finished/favorite-1_th.jpg -- 26.80kb -> 26.56kb (0.91%)
/html/introduction-to-html/structuring-a-page-of-content-start/favorite-1_th.jpg -- 26.80kb -> 26.56kb (0.91%)
/html/multimedia-and-embedding/responsive-images/elva-fairy-320w.jpg -- 38.31kb -> 38.01kb (0.79%)
/css/css-layout/fundamental-layout-comprehension/images/balloon-sq4.jpg -- 28.00kb -> 27.84kb (0.58%)
/css/css-layout/fundamental-layout-comprehension-finish/images/balloon-sq4.jpg -- 28.00kb -> 27.84kb (0.58%)
/javascript/apis/fetching-data/can-store/images/hotdogs.jpg -- 37.72kb -> 37.51kb (0.54%)
/javascript/apis/fetching-data/can-store-xhr/images/hotdogs.jpg -- 37.72kb -> 37.51kb (0.54%)
/html/introduction-to-html/structuring-a-page-of-content-finished/favorite-2_th.jpg -- 23.03kb -> 22.91kb (0.52%)
/html/introduction-to-html/structuring-a-page-of-content-start/favorite-2_th.jpg -- 23.03kb -> 22.91kb (0.52%)
/tools-testing/cross-browser-testing/javascript/flowers.jpg -- 59.19kb -> 58.93kb (0.45%)
/html/multimedia-and-embedding/mdn-splash-page-finished/firefox-addons120.jpg -- 4.75kb -> 4.74kb (0.41%)
/css/css-layout/fundamental-layout-comprehension/images/balloon-sq5.jpg -- 21.75kb -> 21.73kb (0.06%)
/css/css-layout/fundamental-layout-comprehension-finish/images/balloon-sq5.jpg -- 21.75kb -> 21.73kb (0.06%)
/javascript/apis/fetching-data/can-store/images/kidney.jpg -- 31.57kb -> 31.55kb (0.06%)
/javascript/apis/fetching-data/can-store-xhr/images/kidney.jpg -- 31.57kb -> 31.55kb (0.06%)

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