Your page has no redirects. Learn more about avoiding landing page redirects.
You have compression enabled. Learn more about enabling compression.
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://www.googletagmanager.com/gtag/js?id=UA-132703429-27 (15 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
Your server responded quickly. Learn more about server response time optimization.
Your CSS is minified. Learn more about minifying CSS.
Your HTML is minified. Learn more about minifying HTML.
Minifying https://www.luminis.fr/wp-content/themes/Divi/core/admin/js/common.js?ver=3.25.2 could save 140B (25% reduction) after compression.
Your page has 3 blocking script resources and 7 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Optimize CSS Delivery of the following:
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by https://developers.google.com/speed/docs/insights/OptimizeImages (82.2KiB reduction).
Compressing https://www.luminis.fr/wp-content/uploads/2019/04/r%C3%A9glette-1.jpg could save 15.7KiB (41% reduction).
Compressing https://www.luminis.fr/wp-content/uploads/2019/04/downlight.jpg could save 15.7KiB (44% reduction).
Compressing https://www.luminis.fr/wp-content/uploads/2019/04/hublot.jpg could save 14.2KiB (44% reduction).
Compressing https://www.luminis.fr/wp-content/uploads/2019/04/luminis-entreprise.jpg could save 11.2KiB (42% reduction).
Compressing https://www.luminis.fr/wp-content/uploads/2019/04/fond-accueil.jpg could save 8.4KiB (11% reduction).
Compressing https://www.luminis.fr/wp-content/uploads/2019/04/spot.jpg could save 6.2KiB (38% reduction).
Compressing https://www.luminis.fr/wp-content/uploads/2019/04/logo-2.jpg could save 6KiB (38% reduction).
Compressing https://www.luminis.fr/wp-content/uploads/2019/04/panellight.jpg could save 3.5KiB (21% reduction).
Compressing https://www.luminis.fr/wp-content/uploads/2019/04/floodlight.jpg could save 1.4KiB (15% reduction).
You have the above-the-fold content properly prioritized. Learn more about prioritizing visible content.