3.1 sec in total
184 ms
1.7 sec
1.2 sec
Visit grandvision.global now to see the best up-to-date Grand Vision content for France and also check out these interesting facts you probably never knew about grandvision.global
GrandVision is a global leader in optical retailing and delivers high quality and affordable eye care to more and more people around the world
Visit grandvision.globalWe analyzed Grandvision.global page load time and found that the first response time was 184 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
grandvision.global performance score
name
value
score
weighting
Value3.2 s
44/100
10%
Value5.9 s
13/100
25%
Value9.5 s
12/100
10%
Value1,590 ms
12/100
30%
Value0.147
77/100
15%
Value13.2 s
12/100
10%
184 ms
141 ms
41 ms
73 ms
630 ms
Our browser made a total of 30 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Grandvision.global, 30% (9 requests) were made to Cdn.cookielaw.org and 30% (9 requests) were made to Assets.grandvision.io. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Assets.grandvision.io.
Page size can be reduced by 481.0 kB (38%)
1.3 MB
800.9 kB
In fact, the total size of Grandvision.global main page is 1.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 701.7 kB which makes up the majority of the site volume.
Potential reduce by 408.1 kB
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. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 408.1 kB or 83% of the original size.
Potential reduce by 2 B
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. Grand Vision images are well optimized though.
Potential reduce by 63 B
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.
Potential reduce by 72.8 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. Grandvision.global needs all CSS files to be minified and compressed as it can save up to 72.8 kB or 93% of the original size.
Number of requests can be reduced by 16 (57%)
28
12
The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Grand Vision. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.
grandvision.global
184 ms
www.generale-optique.com
141 ms
polyfill.min.js
41 ms
otSDKStub.js
73 ms
_app-448929a41e24906d7b08.css
630 ms
polyfills-a40ef1678bae11e696dba45124eadd70.js
1230 ms
webpack-4b9dc49d0bf56e4dd704.js
1295 ms
framework-62f734e5a1093e248421.js
915 ms
main-82066fefd12959ee0acb.js
878 ms
_app-c244f5f2c4deec397951.js
1356 ms
container-9b6490ef06edabbf05b4.js
1229 ms
_buildManifest.js
972 ms
_ssgManifest.js
1013 ms
gtm.js
107 ms
c061a9c8-ebed-454d-a75e-c2410e3359c1.json
19 ms
logo.svg
680 ms
logo.svg
1266 ms
logo-default.svg
1288 ms
location
51 ms
otBannerSdk.js
116 ms
gtm.js
60 ms
gtm.js
83 ms
gtm.js
147 ms
fr.json
39 ms
otCenterRounded.json
222 ms
otPcCenter.json
222 ms
otCommonStyles.css
213 ms
logo.svg
470 ms
GDO-LOGO_HORIZONTAL_VERT+ORANGE.jpg
15 ms
poweredBy_ot_logo.svg
8 ms
grandvision.global accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Names and labels
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.
Impact
Issue
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
grandvision.global best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
grandvision.global SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document doesn't use legible font sizes
Tap targets are not sized appropriately
EN
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Grandvision.global can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed French language. Our system also found out that Grandvision.global 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.
grandvision.global
Open Graph data is detected on the main page of Grand Vision. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: