Access dundeesciencecentre.org.uk. Dundee Science Centre - STEM Exhibits & Interactive Learning

Report Summary

About Website

Visit dundeesciencecentre.org.uk now to see the best up-to-date Dundee Science Centre content and also check out these interesting facts you probably never knew about dundeesciencecentre.org.uk

Experience our award-winning, interactive visitor attraction & explore the wonders of science through events, exhibitions, hands-on activities, and more. See what's on.

Visit dundeesciencecentre.org.uk

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value2,430 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.231

54/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

dundeesciencecentre.org.uk

210 ms

www.dundeesciencecentre.org.uk

366 ms

js

56 ms

gtm.js

97 ms

leaflet.css

44 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 69% of them (52 requests) were addressed to the original Dundeesciencecentre.org.uk, 9% (7 requests) were made to Unpkg.com and 7% (5 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (926 ms) belongs to the original domain Dundeesciencecentre.org.uk.

Content Size

10.1 MB

After Optimization

9.9 MB

In fact, the total size of Dundeesciencecentre.org.uk main page is 10.1 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. Only a small number of websites need less resources to load. Images take 8.7 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 121.2 kB

Original 143.8 kB
After minification 132.5 kB
After compression 22.6 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. 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 121.2 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 8.7 MB
After minification 8.7 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. Dundee Science Centre images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 11.2 kB

Original 1.2 MB
After minification 1.2 MB
After compression 1.2 MB

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

-53%

Potential reduce by 47.1 kB

Original 88.6 kB
After minification 88.6 kB
After compression 41.5 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. Dundeesciencecentre.org.uk needs all CSS files to be minified and compressed as it can save up to 47.1 kB or 53% of the original size.

Requests Now

After Optimization

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dundee Science Centre. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

UTF-8

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

dundeesciencecentre.org.uk

Open Graph data is detected on the main page of Dundee Science Centre. 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

Dundee Science Centre - STEM Exhibits & Interactive Learning

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)