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swimwatch.nl screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

swimwatch.nl

SwimWatch - software for swimmers, coaches and analists - Welcome to the SportsWatch and SwimWatch website

Page Load Speed

1.8 sec in total

First Response

371 ms

Resources Loaded

1.2 sec

Page Rendered

222 ms

swimwatch.nl screenshot

About Website

Visit swimwatch.nl now to see the best up-to-date Swim Watch content and also check out these interesting facts you probably never knew about swimwatch.nl

The SwimWatch is software made for swimmers, coaches and analists. Software is available for comuters and mobile devices. Because it is specifically designed for the swim coach, this software has a lo...

Visit swimwatch.nl

Key Findings

We analyzed Swimwatch.nl page load time and found that the first response time was 371 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

swimwatch.nl performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

93/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

index.html

371 ms

index.html

96 ms

swimwatch2.css

89 ms

logo_swimwatch.png

176 ms

flag_en_small.gif

275 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Swimwatch.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (428 ms) relates to the external source Natrisoft.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 11.4 kB (13%)

Content Size

85.7 kB

After Optimization

74.3 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Swimwatch.nl main page is 85.7 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. Only 5% of websites need less resources to load. Images take 71.5 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 8.6 kB

  • Original 12.6 kB
  • After minification 11.4 kB
  • After compression 4.0 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 8.6 kB or 68% of the original size.

Image Optimization

-3%

Potential reduce by 2.2 kB

  • Original 71.5 kB
  • After minification 69.3 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. Swim Watch images are well optimized though.

CSS Optimization

-34%

Potential reduce by 539 B

  • Original 1.6 kB
  • After minification 1.6 kB
  • After compression 1.0 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. Swimwatch.nl needs all CSS files to be minified and compressed as it can save up to 539 B or 34% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Swim Watch. According to our analytics all requests are already optimized.

Network Requests Diagram

index.html

index.html

371 ms

index.html

index.html

96 ms

swimwatch2.css

swimwatch2.css

89 ms

logo_swimwatch.png

logo_swimwatch.png

176 ms

flag_en_small.gif

flag_en_small.gif

275 ms

flag_nl_small.gif

flag_nl_small.gif

274 ms

dropdown.png

dropdown.png

275 ms

tongelreep_roof.jpg

tongelreep_roof.jpg

428 ms

joystick1.png

joystick1.png

275 ms

joystick2.png

joystick2.png

276 ms

joystick3.png

joystick3.png

337 ms

Accessibility Review

swimwatch.nl accessibility score

59

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

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

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

Best Practices

swimwatch.nl best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

swimwatch.nl SEO score

67

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

Image elements do not have [alt] attributes

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 Swimwatch.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 Swimwatch.nl 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

swimwatch.nl

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