Handy links for design and development
- https://stephaniewalter.design/blog/color-accessibility-tools-resources-to-design-inclusive-products/
- https://webaim.org/resources/contrastchecker/
- https://stackoverflow.com/questions/32265420/visually-remove-h1-element-whilst-preserving-screen-reader-accessibility-and-a
- https://unsplash.com/
- https://pixabay.com/
- https://negativespace.co/
- https://www.pexels.com/
- https://mixkit.co/
- https://incompetech.com/
- https://themockup.club/
- https://developers.google.com/speed/pagespeed/insights/?hl=en-US&utm_source=PSI&utm_medium=incoming-link&utm_campaign=PSI
- https://www.webpagetest.org/
- https://search.google.com/structured-data/testing-tool/u/0/
- https://search.google.com/test/rich-results?utm_campaign=devsite&utm_medium=microdata&utm_source=faq-page
- https://beta.nhs.uk/service-manual/content-style-guide
- https://www.gov.uk/guidance/content-design/writing-for-gov-uk
- https://www.colorbook.io/hexcolors/
- https://scotentsd.github.io/
- https://cssfx.netlify.com/
- https://github.com/Angelmmiguel/material_icons/blob/master/app/assets/stylesheets/material_icons_unicode.css.erb#L85-L3265
- https://basicscroll.electerious.com/
- https://github.com/dimsemenov/PhotoSwipe
- https://github.com/metafizzy/flickity
- https://animista.net/
- https://frontendwiz.co.uk/
- https://svgontheweb.com/
- https://greensock.com/
- https://htmldom.dev/
- https://www.kristianjungk.com/en/about/tipps-tricks/silverstripe/
- https://al.twohill.nz/2018/Quick-Tip-SilverStripe-Icons/
- https://github.com/bummzack/sortablefile
- https://github.com/UndefinedOffset/SortableGridField
- https://github.com/UndefinedOffset/silverstripe-nocaptcha
- https://github.com/silverstripe/silverstripe-spamprotection
- https://github.com/silverstripe/silverstripe-userforms
- https://github.com/dnadesign/silverstripe-elemental