The best free online image optimisers

Images typically make up a huge proportion of web page size – 61 per cent according to recent stats from the HTTP Archive. As such, they’re often a big drag on performance.

There are a number of ways to reduce this impact, including lazy-loading and designing unnecessary images out of the website altogether.

However, it’s often very simply the case that images are uploaded to websites unoptimised. Some are high-resolution, print-ready files. Others contain large amounts of redundant metadata.

Not everyone has an automated image optimisation solution, but there are plenty of free online image optimisers. We thought we’d try out ten of the most popular.
Continue reading

What does good web performance look like?

We’re always extolling the virtues of a fast website. Cut load times and you’ll improve conversion rates. You’ll reduce bounce rates. You’ll achieve better customer satisfaction.

There’s plenty to back this up: publicly available case studies showing that a faster website delivers a whole raft of business benefits.

But every organisation is different. And although there are some good general guidelines (e.g. start rendering content in 0.75 seconds or less), how do you know what’s best for you. How will you know when you’ve done enough? When does the law of diminishing marginal returns start to kick in?
Continue reading