Tools & Wizards About Us

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

optelec.nl

Optelec - Optelec Nederland

Page Load Speed

2.7 sec in total

First Response

288 ms

Resources Loaded

2.2 sec

Page Rendered

279 ms

About Website

Click here to check amazing Optelec content for Netherlands. Otherwise, check out these important facts you probably never knew about optelec.nl

Optelec Nederland hulpmiddelen voor blinden en slechtzienden. Beeldschermloepen, optische loepen, software en nog veel meer

Visit optelec.nl

Key Findings

We analyzed Optelec.nl page load time and found that the first response time was 288 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

optelec.nl performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.9 s

65/100

10%

Network Requests Diagram

optelec.nl

288 ms

optelec.nl

379 ms

www.optelec.nl

605 ms

uc.js

47 ms

js

69 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 93% of them (27 requests) were addressed to the original Optelec.nl, 3% (1 request) were made to Consent.cookiebot.com and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (605 ms) belongs to the original domain Optelec.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 97.5 kB (8%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Optelec.nl main page is 1.3 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. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 85.4 kB

  • Original 105.0 kB
  • After minification 102.0 kB
  • After compression 19.7 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. 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 85.4 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 1.0 kB

  • Original 1.1 MB
  • After minification 1.1 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. Optelec images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 9.2 kB

  • Original 34.5 kB
  • After minification 34.5 kB
  • After compression 25.3 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 9.2 kB or 27% of the original size.

CSS Optimization

-6%

Potential reduce by 1.9 kB

  • Original 30.6 kB
  • After minification 30.6 kB
  • After compression 28.7 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. Optelec.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (54%)

Requests Now

26

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optelec. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

optelec.nl accessibility score

100

Accessibility Issues

Best Practices

optelec.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

optelec.nl SEO score

100

Search Engine Optimization Advices

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

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optelec.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Optelec.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 data is detected on the main page of Optelec. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: