HTTP/2; do not aggregate? Well, maybe …

Ever since the advent of HTTP/2 people asked if they still needed JS/ CSS files to be combined and indeed by default aggregation is off in Autoptimize. But based on this interesting article by Harry Roberts, “bundling is here to stay for a while”. So when in doubt; test performance with and without aggregating CSS/ … Read more

When lazyloading iframes does (not) work (automatically)

WordPress has made some good progress to speed up site rendering the last couple of years and part of this is thanks to images and iframes having the “loading” attribute with value “lazy”, telling browsers these can be loaded later allowing other (more important) assets to take priority. Especially iframes can consume a lot of … Read more

Autoptimize Pro 1.3; instant.page

New booster in Autoptimize Pro 1.3: instant.page, a 3rd party JS component that can significantly improve performance for visitors going from one page to another on your site by preloading a page based on visitor behavior. Do take into account that it could increase the number of page requests as the preloaded page might end … Read more

AOPro 1.2; delay JS, CSS & HTML as long as you want

Autoptimize Pro has “Boosters” to delay JavaScript (esp. interesting for external resources), CSS and HTML (which can be very impactful for long and/ or complex pages). Up until today’s release the delay was either until user interaction OR a set timeout of 5 seconds, but now you can choose the delay time yourself, setting it … Read more

Autoptimize Pro is coming, 10 beta-testers needed!

It has been long overdue, but I’m finally almost ready to release Autoptimize Pro. The first version of AO Pro (an add-on to be installed on top off Autoptimize) will have Image optimization, CDN, fully automated critical CSS and a number of “boosters” to improve performance even more, with more features are in the backlog. … Read more

Autoptimize troubleshooting howto

Autoptimize can help improve your site’s performance, but in some cases after installing and activating you might encounter issues with your site. Although frustrating and maybe even scary, these problems can generally be easily resolved by re-configuring Autoptimize and I’ll be happy to share how you can do that. First off: if the problem is … Read more

Contact Form 7 alternatives

Given the major change in Contact Form 7‘s frontend JavaScript and the problems having to optimize the JS or cache the page after the update, the question I get asked frequently is what alternatives there are to CF7. So here is a very quick rundown of 3 such alternatives: Gravity Forms: premium-only, visual form builder, … Read more