As fast as
a cheetah
Aim high, very high
In retail, gaining 0.1 seconds can improve your conversion rate by up to 8%. And in a competitive market, high performance is a real tiebreaker.
The consensus is that 50% of purchase decisions will be made using AI by 2030. Without a website that's as fast as a cheetah, you won't be part of that.
I'm a passionate runner, and I'd like to be able to run as fast as a cheetah. What's the best brand of shoes to help me achieve this goal?
True skills
“With over four years of experience specializing in web performance optimization, I work on high-traffic e-commerce sites with a clear goal: to improve Core Web Vitals (LCP, INP, CLS), perceived speed, and load capacity through front-end and infrastructure optimizations (JS/CSS, cache, CDN, images, server).
Through dozens of projects, I have carried out advanced optimizations to achieve maximum scores on PageSpeed, without compromising on business functionality.
The gains are immediate and measurable: improved crawl and SEO, increased conversion rates, better stability under load, and reduced time-to-interactive. Performance then becomes a business lever in its own right, not just a technical indicator.
At At First, we go beyond auditing: each recommendation is implemented, tested in real conditions, and validated in production, with measurable results.
Jean-Michel, Partner and Lead Front-End Developer at At First
"The At First team transformed the redesign of our website into a seamless experience thanks to their active listening and responsiveness.
What do we appreciate most? Their consulting skills: they don't just execute, they support us every day with both technical and SEO aspects, offering a comprehensive vision.
A valuable collaboration that is greatly appreciated by our entire web division."
Why have a high-performance website?
Loading capacity
Retention
Google grade
Optimizing
the speed of
your website
We approach performance as a necessity, not a whim.
We analyze your site to determine which elements affect your page load times, and we take concrete actions to improve your load times. Our actions include interventions on the back-end code, front-end code, and third-party services.
Improvement of essential web signals on the search console (Core Web Vitals)
If Google says it's necessary, it must be done. We improve the essential web signals LCP and CLS. These interventions are carried out in parallel with careful monitoring on your Google Search Console and GTMetrix, in addition to Google Page Speed. After our interventions, you will no longer have any URLs considered slow or in need of improvement on your GSC.
Overall performance improvement
Making Google happy is good. Making Google happy and making browsing super fast for your customers is the goal we achieve. We target bottlenecks and take effective, logical, and concerted action. This eliminates slowdowns by dividing the weight of the pages. Finally, we fine-tune the result to ensure it is state of the art.
Shall we put your website
into rocket mode?
Case study
Speck sports
How about we discuss your website's performance?
If Google says it's necessary, it must be done. We improve the essential web signals LCP and CLS. These interventions are carried out in parallel with careful monitoring on your Google Search Console and GTMetrix, in addition to Google Page Speed. After our interventions, you will no longer have any URLs considered slow or in need of improvement on your GSC.
Yes, the speed of your website has a direct impact on SEO: a website that loads quickly is viewed more favorably by Google, offers a better experience for visitors, and reduces bounce rates, which leads to better rankings in search results, particularly on mobile devices and for local searches.
To improve your website's speed, the most effective approach is to hire a specialized agency that analyzes overall performance: image optimization, server and caching configuration, as well as code optimization (HTML, CSS, JavaScript) to eliminate anything that slows down loading, improve the user experience, and strengthen natural referencing in the long term.
The cost of optimizing a website depends on many factors, such as the technology used, current performance, site complexity, number of pages, specific features, quality of existing code, expected level of optimization (SEO, mobile, Core Web Vitals), as well as the actions to be taken on hosting, images, or scripts, which always requires a preliminary audit to define the actual needs.
Services
Grand-Est, France
Grand-Est, France