Access d-d-s.nl. Communicatie apparatuur Telemetrie schakelapparatuur en onderdelen zoals PLC UMTS en 3G hsdpa lte mo...

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value3,470 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.12

84/100

15%

TTI (Time to Interactive)

Value7.4 s

49/100

10%

d-d-s.nl

646 ms

ga.js

31 ms

background.jpg

333 ms

logo-dds1.gif

181 ms

uk-flag.gif

182 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 96% of them (92 requests) were addressed to the original D-d-s.nl, 4% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (723 ms) belongs to the original domain D-d-s.nl.

Content Size

772.8 kB

After Optimization

648.2 kB

In fact, the total size of D-d-s.nl main page is 772.8 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. 45% of websites need less resources to load. Images take 584.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 117.8 kB

Original 150.5 kB
After minification 131.2 kB
After compression 32.6 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 19.3 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 117.8 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 6.6 kB

Original 584.2 kB
After minification 577.5 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. D S images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 84 B

Original 38.2 kB
After minification 38.2 kB
After compression 38.1 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.

Requests Now

After Optimization

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of D S. According to our analytics all requests are already optimized.

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 interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

NL
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise D-d-s.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch 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 D-d-s.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

d-d-s.nl

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Communicatie apparatuur Telemetrie schakelapparatuur en onderdelen zoals PLC UMTS en 3G hsdpa lte modems, antenne en coaxkabel

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

d-d-s.nl

ga.js

background.jpg

logo-dds1.gif

uk-flag.gif

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

d-d-s.nl

ga.js

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