Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

opticon-shop.nl

OPTICON.shop your #1 Opticon solution provider!

Page Load Speed

4.5 sec in total

First Response

1.4 sec

Resources Loaded

2.8 sec

Page Rendered

314 ms

opticon-shop.nl screenshot

About Website

Click here to check amazing OPTICON Shop content. Otherwise, check out these important facts you probably never knew about opticon-shop.nl

OPTICON.shop the world's #1 online Opticon store. With over 25 years of experience we offer complete solutions with top class service by our enthusiastic team. Come join us!

Visit opticon-shop.nl

Key Findings

We analyzed Opticon-shop.nl page load time and found that the first response time was 1.4 sec 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

opticon-shop.nl performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value12.6 s

0/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value1,680 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.214

58/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

opticon-shop.nl

1417 ms

basis2011.css

207 ms

menu.css

208 ms

element.js

42 ms

image.php

754 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 80% of them (56 requests) were addressed to the original Opticon-shop.nl, 7% (5 requests) were made to Translate.googleapis.com and 6% (4 requests) were made to Jncsupport.nl. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Opticon-shop.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 254.9 kB (51%)

Content Size

495.0 kB

After Optimization

240.1 kB

In fact, the total size of Opticon-shop.nl main page is 495.0 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. 40% of websites need less resources to load. Images take 332.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 28.3 kB

  • Original 35.0 kB
  • After minification 30.3 kB
  • After compression 6.7 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 4.7 kB, which is 13% 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 28.3 kB or 81% of the original size.

Image Optimization

-62%

Potential reduce by 204.9 kB

  • Original 332.0 kB
  • After minification 127.1 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, OPTICON Shop needs image optimization as it can save up to 204.9 kB or 62% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 804 B

  • Original 99.9 kB
  • After minification 99.9 kB
  • After compression 99.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-74%

Potential reduce by 20.9 kB

  • Original 28.1 kB
  • After minification 24.7 kB
  • After compression 7.3 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. Opticon-shop.nl needs all CSS files to be minified and compressed as it can save up to 20.9 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (26%)

Requests Now

69

After Optimization

51

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OPTICON Shop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

opticon-shop.nl accessibility score

84

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

opticon-shop.nl best practices score

75

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

SEO Factors

opticon-shop.nl SEO score

85

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

High

Tap targets are not sized appropriately

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 Opticon-shop.nl 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 Opticon-shop.nl 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

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