Access optical-center.eu. Optical Center le meilleur de l'optique en Ligne

Report Summary

About Website

Click here to check amazing Optical Center content for France. Otherwise, check out these important facts you probably never knew about optical-center.eu

Lunettes Homme, Lunettes Femme, Lentilles de Contact, Lunettes de Soleil, Lunettes de vue: Nous livrons vos lunettes de vue, Lunettes Ray-Ban ou lentilles dans toute la France.

Visit optical-center.eu

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.6 s

100/100

25%

SI (Speed Index)

Value0.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

optical-center.eu

446 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Optical-center.eu and no external sources were called. The less responsive or slowest element that took the longest time to load (446 ms) belongs to the original domain Optical-center.eu.

Content Size

1.0 MB

After Optimization

892.3 kB

In fact, the total size of Optical-center.eu main page is 1.0 MB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 867.7 kB which makes up the majority of the site volume.

HTML Optimization

-6%

Potential reduce by 3 B

Original 51 B
After minification 51 B
After compression 48 B

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. This web page is already compressed.

Image Optimization

-16%

Potential reduce by 140.0 kB

Original 867.7 kB
After minification 727.8 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Optical Center needs image optimization as it can save up to 140.0 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 493 B

Original 93.8 kB
After minification 93.8 kB
After compression 93.3 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-12%

Potential reduce by 9.7 kB

Original 80.9 kB
After minification 80.9 kB
After compression 71.2 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Optical-center.eu needs all CSS files to be minified and compressed as it can save up to 9.7 kB or 12% of the original size.

Requests Now

After Optimization

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Issues

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Document doesn't have a <title> element

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Document doesn't have a <title> element

To appear in search results, crawlers need access to your app.

High

robots.txt is not valid

Language and Encoding

Language Detected

FR
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optical-center.eu can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Optical-center.eu main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

optical-center.eu

Open Graph description is not detected on the main page of Optical Center. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: