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omnicol.info screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

omnicol.info

Page Load Speed

3.4 sec in total

First Response

272 ms

Resources Loaded

2.9 sec

Page Rendered

169 ms

omnicol.info screenshot

About Website

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Key Findings

We analyzed Omnicol.info page load time and found that the first response time was 272 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

omnicol.info performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value6.8 s

34/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.428

22/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

omnicol.info

272 ms

www.omnicol.eu

490 ms

home

295 ms

style.css

92 ms

main.css

207 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Omnicol.info, 93% (26 requests) were made to Omnicol.eu and 4% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Omnicol.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 142.6 kB (32%)

Content Size

446.0 kB

After Optimization

303.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Omnicol.info main page is 446.0 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. 15% of websites need less resources to load. Images take 302.3 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 7.0 kB

  • Original 9.6 kB
  • After minification 7.7 kB
  • After compression 2.6 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. This page needs HTML code to be minified as it can gain 1.9 kB, which is 20% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 7.0 kB or 73% of the original size.

Image Optimization

-11%

Potential reduce by 32.0 kB

  • Original 302.3 kB
  • After minification 270.3 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, Omnicol needs image optimization as it can save up to 32.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 61.2 kB

  • Original 84.2 kB
  • After minification 70.9 kB
  • After compression 23.0 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 61.2 kB or 73% of the original size.

CSS Optimization

-85%

Potential reduce by 42.4 kB

  • Original 49.9 kB
  • After minification 34.7 kB
  • After compression 7.5 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. Omnicol.info needs all CSS files to be minified and compressed as it can save up to 42.4 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (48%)

Requests Now

23

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Omnicol. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

omnicol.info

omnicol.info

272 ms

www.omnicol.eu

www.omnicol.eu

490 ms

home

home

295 ms

style.css

style.css

92 ms

main.css

main.css

207 ms

processContent.css

processContent.css

175 ms

jquery.min.js

jquery.min.js

31 ms

jquery.ui.min.js

jquery.ui.min.js

230 ms

jquery.numeric.js

jquery.numeric.js

200 ms

flowplayer.min.js

flowplayer.min.js

229 ms

common.js

common.js

203 ms

slideshow.js

slideshow.js

253 ms

height.js

height.js

285 ms

3-columns.tmpl.css

3-columns.tmpl.css

287 ms

international.tmpl.css

international.tmpl.css

289 ms

main.js

main.js

315 ms

omnicol-logo.png

omnicol-logo.png

112 ms

omnicol-corporate.jpg

omnicol-corporate.jpg

453 ms

flags_dutch.jpg

flags_dutch.jpg

188 ms

flags_belgium.jpg

flags_belgium.jpg

253 ms

background.jpg

background.jpg

170 ms

header1-NL-60.jpg

header1-NL-60.jpg

1588 ms

ruler.png

ruler.png

189 ms

bg_line_left.png

bg_line_left.png

254 ms

eurostib-webfont.woff

eurostib-webfont.woff

362 ms

eurostib-webfont.svg

eurostib-webfont.svg

352 ms

eurosti-webfont.svg

eurosti-webfont.svg

392 ms

eurosti-webfont.woff

eurosti-webfont.woff

430 ms

Accessibility Review

omnicol.info accessibility score

76

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Document doesn't have a <title> element

High

Links do not have a discernible name

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

omnicol.info best practices score

58

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

omnicol.info SEO score

64

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Document doesn't have a <title> element

High

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • 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 Omnicol.info 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 Omnicol.info 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

omnicol.info

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