Tools & Wizards About Us
sclera.be screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

sclera.be

Sclera symbols

Page Load Speed

2.4 sec in total

First Response

349 ms

Resources Loaded

1.9 sec

Page Rendered

113 ms

sclera.be screenshot

About Website

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

gratis pictogrammen systeem Sclera door Bart Serrien

Visit sclera.be

Key Findings

We analyzed Sclera.be page load time and found that the first response time was 349 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

sclera.be performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value4,790 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.728

6/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

sclera.be

349 ms

home

101 ms

all.css

92 ms

1.css

183 ms

2.css

269 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 76% of them (25 requests) were addressed to the original Sclera.be, 9% (3 requests) were made to Pagead2.googlesyndication.com and 6% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (535 ms) belongs to the original domain Sclera.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 142.7 kB (17%)

Content Size

841.7 kB

After Optimization

699.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sclera.be main page is 841.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Javascripts take 465.2 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 9.9 kB

  • Original 14.0 kB
  • After minification 12.7 kB
  • After compression 4.0 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 9.9 kB or 71% of the original size.

Image Optimization

-6%

Potential reduce by 21.0 kB

  • Original 345.0 kB
  • After minification 324.0 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. Sclera images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 105.7 kB

  • Original 465.2 kB
  • After minification 459.7 kB
  • After compression 359.5 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 105.7 kB or 23% of the original size.

CSS Optimization

-34%

Potential reduce by 6.0 kB

  • Original 17.5 kB
  • After minification 14.5 kB
  • After compression 11.5 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. Sclera.be needs all CSS files to be minified and compressed as it can save up to 6.0 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (57%)

Requests Now

28

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sclera. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sclera.be

sclera.be

349 ms

home

home

101 ms

all.css

all.css

92 ms

1.css

1.css

183 ms

2.css

2.css

269 ms

3.css

3.css

271 ms

4.css

4.css

272 ms

5.css

5.css

274 ms

modernizr.js

modernizr.js

276 ms

show_ads.js

show_ads.js

85 ms

jquery.min.js

jquery.min.js

24 ms

jquery.js

jquery.js

455 ms

plugins.js

plugins.js

535 ms

custom.js

custom.js

360 ms

messages.en.js

messages.en.js

362 ms

css

css

30 ms

ga.js

ga.js

51 ms

logo-vzw_en.png

logo-vzw_en.png

213 ms

sprite.png

sprite.png

213 ms

overview-visual-sclera.png

overview-visual-sclera.png

269 ms

overview-visual-iris.png

overview-visual-iris.png

342 ms

overview-visual-pupil.png

overview-visual-pupil.png

344 ms

support2_en.png

support2_en.png

271 ms

priorweb.png

priorweb.png

272 ms

thesedays.png

thesedays.png

335 ms

by-nc.png

by-nc.png

340 ms

adsbygoogle.js

adsbygoogle.js

148 ms

susa-bold-webfont.woff

susa-bold-webfont.woff

428 ms

susa-regular-webfont.woff

susa-regular-webfont.woff

341 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDFwmdTQ3iQ.woff

XRXI3I6Li01BKofiOc5wtlZ2di8HDFwmdTQ3iQ.woff

30 ms

__utm.gif

__utm.gif

12 ms

show_ads_impl.js

show_ads_impl.js

385 ms

print.css

print.css

92 ms

Accessibility Review

sclera.be accessibility score

90

Accessibility Issues

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sclera.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

Page has valid source maps

SEO Factors

sclera.be SEO score

83

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

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sclera.be can be misinterpreted by Google and other search engines. Our service has detected that English 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 Sclera.be 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

sclera.be

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