Tools & Wizards About Us
grandoptical.be screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

grandoptical.be

De grootste collectie brillen en zonnebrillen GrandOptical GrandOptical | Uw opticien wordt Eye Wish

Page Load Speed

7.2 sec in total

First Response

198 ms

Resources Loaded

6.4 sec

Page Rendered

538 ms

grandoptical.be screenshot

About Website

Welcome to grandoptical.be homepage info - get ready to check Grand Optical best content for Belgium right away, or after learning these important things about grandoptical.be

Uw opticien wordt Eye Wish | GrandOptical Opticiens heeft voor iedereen de juiste zichtoplossing. Voor brillen, zonnebrillen of contactlenzen helpen de opticiens van GrandOptical je graag.

Visit grandoptical.be

Key Findings

We analyzed Grandoptical.be page load time and found that the first response time was 198 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

grandoptical.be performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value12.4 s

0/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

grandoptical.be

198 ms

grandoptical.be

422 ms

241 ms

nl_BE

550 ms

b2c.css

246 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 71% of them (75 requests) were addressed to the original Grandoptical.be, 9% (9 requests) were made to Pblx.s3.amazonaws.com and 3% (3 requests) were made to S3-eu-west-1.amazonaws.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Grandoptical.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 711.3 kB (32%)

Content Size

2.2 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Grandoptical.be main page is 2.2 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. 50% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 45.2 kB

  • Original 57.5 kB
  • After minification 54.4 kB
  • After compression 12.3 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 45.2 kB or 79% of the original size.

Image Optimization

-8%

Potential reduce by 107.1 kB

  • Original 1.4 MB
  • After minification 1.3 MB

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 Optical images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 351.2 kB

  • Original 514.8 kB
  • After minification 503.3 kB
  • After compression 163.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 351.2 kB or 68% of the original size.

CSS Optimization

-80%

Potential reduce by 207.7 kB

  • Original 259.9 kB
  • After minification 243.1 kB
  • After compression 52.2 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. Grandoptical.be needs all CSS files to be minified and compressed as it can save up to 207.7 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 51 (54%)

Requests Now

94

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Grand Optical. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

grandoptical.be

grandoptical.be

198 ms

grandoptical.be

grandoptical.be

422 ms

241 ms

nl_BE

nl_BE

550 ms

b2c.css

b2c.css

246 ms

css

css

54 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

504 ms

jquery.print.js

jquery.print.js

251 ms

jqprint.print.js

jqprint.print.js

251 ms

scripts.js

scripts.js

252 ms

swfobject.js

swfobject.js

302 ms

jquery.colorbox.js

jquery.colorbox.js

487 ms

jquery-ui.min.js

jquery-ui.min.js

606 ms

jquery.selectbox.css

jquery.selectbox.css

502 ms

jquery.selectbox-0.2.js

jquery.selectbox-0.2.js

502 ms

scripts.ie8.js

scripts.ie8.js

544 ms

flexslider.css

flexslider.css

393 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

534 ms

responsiveslides.min.js

responsiveslides.min.js

397 ms

util.js

util.js

731 ms

suggestbox.js

suggestbox.js

742 ms

gob-colgrid.css

gob-colgrid.css

470 ms

trends-stijl.css

trends-stijl.css

364 ms

megamenu_201412.js

megamenu_201412.js

373 ms

jquery.cookiebar-nl.js

jquery.cookiebar-nl.js

469 ms

jquery.cookies.js

jquery.cookies.js

710 ms

global.css

global.css

505 ms

layout.css

layout.css

543 ms

header.css

header.css

605 ms

leftrightpanel.css

leftrightpanel.css

732 ms

workingtemplate.css

workingtemplate.css

907 ms

footer.css

footer.css

743 ms

calendar.css

calendar.css

744 ms

redsys.css

redsys.css

782 ms

fixes.css

fixes.css

844 ms

tmce.css

tmce.css

971 ms

factfinder.css

factfinder.css

982 ms

pearle.css

pearle.css

1106 ms

colorbox.css

colorbox.css

1021 ms

print.css

print.css

1084 ms

jquery-ui.css

jquery-ui.css

1146 ms

jquery-ui.structure.css

jquery-ui.structure.css

1208 ms

trab.js

trab.js

367 ms

Zd2E9abXLFGSr9G3YK2MsFzqCfRpIA3W6ypxnPISCPA.woff

Zd2E9abXLFGSr9G3YK2MsFzqCfRpIA3W6ypxnPISCPA.woff

88 ms

b9QBgL0iMZfDSpmcXcE8nCSLrGe-fkSRw2DeVgOoWcQ.woff

b9QBgL0iMZfDSpmcXcE8nCSLrGe-fkSRw2DeVgOoWcQ.woff

144 ms

ga.js

ga.js

97 ms

j.php

j.php

138 ms

gtm.js

gtm.js

149 ms

space.gif

space.gif

121 ms

branding.png

branding.png

101 ms

icon-basket.png

icon-basket.png

362 ms

bril-vrouw.png

bril-vrouw.png

426 ms

zonnebril-vrouw.png

zonnebril-vrouw.png

428 ms

menu-dames-contactlenzen.png

menu-dames-contactlenzen.png

426 ms

bril-man.png

bril-man.png

453 ms

zonnebril-man.png

zonnebril-man.png

521 ms

bril-kind.png

bril-kind.png

798 ms

zonnebril-kind.png

zonnebril-kind.png

862 ms

brillen.png

brillen.png

829 ms

zonnebrillen.png

zonnebrillen.png

828 ms

lenzen.png

lenzen.png

840 ms

ltk-menu-nl.png

ltk-menu-nl.png

1078 ms

201404-goedzien.jpg

201404-goedzien.jpg

1424 ms

home-slide-musthaves-nl.jpg

home-slide-musthaves-nl.jpg

1614 ms

ltk-home-nl.png

ltk-home-nl.png

1776 ms

arrow-down.png

arrow-down.png

1070 ms

r2-bril.png

r2-bril.png

1174 ms

r2-zonnebril.png

r2-zonnebril.png

1386 ms

r2-contactlens.png

r2-contactlens.png

1390 ms

HUB%20464x395px.jpg

HUB%20464x395px.jpg

1969 ms

home-gucci-merkblok.png

home-gucci-merkblok.png

1707 ms

bvlgari-home.png

bvlgari-home.png

2185 ms

home-blok-4.png

home-blok-4.png

1663 ms

20509-trends-home.png

20509-trends-home.png

2649 ms

footer%20bogo%20NL%201601.jpg

footer%20bogo%20NL%201601.jpg

2616 ms

contactlenzen-proberen.png

contactlenzen-proberen.png

2498 ms

footer-slide-rodenstock.png

footer-slide-rodenstock.png

2171 ms

vracht-ico.png

vracht-ico.png

2210 ms

omruil-ico.png

omruil-ico.png

2414 ms

bril-ico.png

bril-ico.png

2423 ms

icon-monstr-facebook-4-icon-32.png

icon-monstr-facebook-4-icon-32.png

2452 ms

gob-paymentmethods.png

gob-paymentmethods.png

2736 ms

logo_popup.png

logo_popup.png

2821 ms

payoff-gob-background.png

payoff-gob-background.png

2756 ms

__utm.gif

__utm.gif

28 ms

search.gif

search.gif

2658 ms

footer-promotions-bg.gif

footer-promotions-bg.gif

2774 ms

v.gif

v.gif

16 ms

collect

collect

157 ms

analytics.js

analytics.js

125 ms

hotjar-138437.js

hotjar-138437.js

223 ms

slide1-arrow-left.png

slide1-arrow-left.png

230 ms

themes.gif

themes.gif

233 ms

slide1-arrow-right.png

slide1-arrow-right.png

289 ms

authenticated

authenticated

107 ms

flexslider-icon.svg

flexslider-icon.svg

86 ms

ga-audiences

ga-audiences

50 ms

collect

collect

15 ms

collect

collect

13 ms

body_other_pages_bg.gif

body_other_pages_bg.gif

2547 ms

modules-043c1e6abe660c48857202e419ff9d8a.js

modules-043c1e6abe660c48857202e419ff9d8a.js

38 ms

loading_background.png

loading_background.png

2570 ms

loading.gif

loading.gif

2689 ms

visit-data

visit-data

203 ms

collect

collect

3 ms

Accessibility Review

grandoptical.be accessibility score

89

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

grandoptical.be best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

grandoptical.be SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Grandoptical.be can be misinterpreted by Google and other search engines. Our service has detected that Dutch 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 Grandoptical.be main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

grandoptical.be

Open Graph description is not detected on the main page of Grand Optical. 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: