Access opal.ch. OPAL Holding – AutoID - Hardware - Software

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value13.8 s

0/100

25%

SI (Speed Index)

Value17.7 s

0/100

10%

TBT (Total Blocking Time)

Value3,470 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.094

91/100

15%

TTI (Time to Interactive)

Value15.8 s

6/100

10%

opal.ch

1037 ms

wp-emoji-release.min.js

257 ms

main.css

329 ms

styles.css

618 ms

swipebox.min.css

603 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 67% of them (67 requests) were addressed to the original Opal.ch, 13% (13 requests) were made to Maps.googleapis.com and 7% (7 requests) were made to Maps.gstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Opal.ch.

Content Size

1.6 MB

After Optimization

719.4 kB

In fact, the total size of Opal.ch main page is 1.6 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. 60% of websites need less resources to load. Javascripts take 970.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 45.0 kB

Original 54.9 kB
After minification 50.7 kB
After compression 10.0 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 45.0 kB or 82% of the original size.

Image Optimization

-12%

Potential reduce by 53.7 kB

Original 451.6 kB
After minification 397.8 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, OPAL needs image optimization as it can save up to 53.7 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 681.8 kB

Original 970.4 kB
After minification 945.8 kB
After compression 288.5 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 681.8 kB or 70% of the original size.

CSS Optimization

-83%

Potential reduce by 111.6 kB

Original 134.6 kB
After minification 110.3 kB
After compression 23.1 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. Opal.ch needs all CSS files to be minified and compressed as it can save up to 111.6 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OPAL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

DE
Language Claimed

DE
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opal.ch can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Opal.ch 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

opal.ch

Open Graph data is detected on the main page of OPAL. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

OPAL Holding – AutoID - Hardware - Software - Media

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

opal.ch

wp-emoji-release.min.js

main.css

styles.css

swipebox.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

opal.ch

wp-emoji-release.min.js

main.css

styles.css

swipebox.min.css

style.css

responsive.css

font-awesome.min.css

jquery.js

jquery-migrate.min.js

jquery.cycle.all.js

jquery.swipebox.min.js

front.js

jquery.flexslider.min.js

galleries-shortcodes.css

jquery.form.min.js

scripts.js

scripts.js

swiper.js

galleries-shortcodes.js

style.css

embed

opacity-10.png

Logo_OPAL-GmbH.gif

s-right-s2.png

s-left.png

WPC-720x340.jpg

Datalogic_Heron-HD3430-320x320.jpg

Microscan_DPM_Verifier_210-320x320.jpg

unitech_PA520-MCA-320x320.jpg

Datalogic_QuickScan-I-QD2131-320x320.jpg

unitech_PA700-320x320.jpg

Datalogic_Falcon-X3-_numerisch-320x320.jpg

Zebra_TC8000-Mobilcomputer-320x320.jpg

pic_header_LogiMAT2016-320x320.jpg

Zebra_TC8000_Vorder-und-Rueckseite-320x320.jpg

Druckermodule-82x100.jpg

Etikettendrucker-82x100.jpg

Kartendrucker-82x100.jpg

Mobile-Drucker-82x100.jpg

Etiketten-Farbbaender-82x100.jpg

Barcodescanner-82x100.jpg

Mobile-Computer-82x100.jpg