Website guides
Each guide answers one question about websites for brands whose product is visual, and each is built on our own measurements: our sample sites, our fixes, or sites we tested ourselves. No numbers without a source.
Four guides
01
Image size for a website
Widths and file weights measured on our three sample sites, AVIF against JPEG, and which image to load first.
Pixels, weight and format →02
Core Web Vitals
Google’s limits for LCP, INP and CLS, and the seven fixes that moved our own pages, with the numbers before and after.
What fixed our own pages →03
Redesign without losing SEO
Six steps to move a site without losing rankings, a redirect map you can copy, and what we learned moving a real site.
A redirect map you can copy →04
Architecture firm websites
20 well-known architecture firm websites measured on a slow phone connection, and what the fastest three do differently.
20 measured on a phone →We measure your main pages on a phone and list the fixes in order of benefit for the work. You get a short document, not a sales call.
Send it with the button on the right→