Tools & Wizards About Us
erg.abdn.ac.uk screenshot

Report Summary

  • 87

    Performance

    Renders faster than
    89% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

erg.abdn.ac.uk

Electronics Research Group · University of Aberdeen

Page Load Speed

3.4 sec in total

First Response

372 ms

Resources Loaded

3 sec

Page Rendered

96 ms

erg.abdn.ac.uk screenshot

About Website

Click here to check amazing Erg Abdn content for United Kingdom. Otherwise, check out these important facts you probably never knew about erg.abdn.ac.uk

The Electronics Research Group (ERG) of the School of Engineering part of the College of Physical Sciences at the University of Aberdeen has a range of experience relating to the design, simulation, o...

Visit erg.abdn.ac.uk

Key Findings

We analyzed Erg.abdn.ac.uk page load time and found that the first response time was 372 ms 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

erg.abdn.ac.uk performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

66/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

erg.abdn.ac.uk

372 ms

erg.abdn.ac.uk

407 ms

bootstrap.min.css

55 ms

font-awesome.min.css

53 ms

css

90 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 73% of them (22 requests) were addressed to the original Erg.abdn.ac.uk, 10% (3 requests) were made to Maxcdn.bootstrapcdn.com and 10% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Erg.abdn.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 154.2 kB (78%)

Content Size

196.8 kB

After Optimization

42.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Erg.abdn.ac.uk main page is 196.8 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. 20% of websites need less resources to load. CSS take 149.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 9.0 kB

  • Original 11.8 kB
  • After minification 9.6 kB
  • After compression 2.8 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 2.2 kB, which is 19% 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 9.0 kB or 76% of the original size.

Image Optimization

-20%

Potential reduce by 1.6 kB

  • Original 8.0 kB
  • After minification 6.4 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, Erg Abdn needs image optimization as it can save up to 1.6 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 20.2 kB

  • Original 27.2 kB
  • After minification 27.1 kB
  • After compression 7.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 20.2 kB or 74% of the original size.

CSS Optimization

-82%

Potential reduce by 123.4 kB

  • Original 149.7 kB
  • After minification 149.4 kB
  • After compression 26.3 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. Erg.abdn.ac.uk needs all CSS files to be minified and compressed as it can save up to 123.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (13%)

Requests Now

24

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Erg Abdn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

erg.abdn.ac.uk

erg.abdn.ac.uk

372 ms

erg.abdn.ac.uk

erg.abdn.ac.uk

407 ms

bootstrap.min.css

bootstrap.min.css

55 ms

font-awesome.min.css

font-awesome.min.css

53 ms

css

css

90 ms

erg.css

erg.css

115 ms

jquery.min.js

jquery.min.js

70 ms

bootstrap.min.js

bootstrap.min.js

221 ms

logo6_r2_c2.gif

logo6_r2_c2.gif

163 ms

logo6_r2_c2_F2.gif

logo6_r2_c2_F2.gif

167 ms

logo6_r3_c2.gif

logo6_r3_c2.gif

248 ms

logo6_r3_c2_F2.gif

logo6_r3_c2_F2.gif

260 ms

logo6_r4_c2.gif

logo6_r4_c2.gif

967 ms

logo6_r4_c2_F2.gif

logo6_r4_c2_F2.gif

967 ms

logo6_r5_c2.gif

logo6_r5_c2.gif

2024 ms

logo6_r5_c2_F2.gif

logo6_r5_c2_F2.gif

2027 ms

logo6_r6_c2.gif

logo6_r6_c2.gif

339 ms

logo6_r6_c2_F2.gif

logo6_r6_c2_F2.gif

351 ms

logo6_r7_c2.gif

logo6_r7_c2.gif

432 ms

logo6_r7_c2_F2.gif

logo6_r7_c2_F2.gif

442 ms

shim.gif

shim.gif

523 ms

logo6_r1_c1.gif

logo6_r1_c1.gif

534 ms

logo6_r2_c1.gif

logo6_r2_c1.gif

615 ms

logo6_r2_c3.gif

logo6_r2_c3.gif

626 ms

logo6_r8_c2.gif

logo6_r8_c2.gif

707 ms

unilogo.png

unilogo.png

717 ms

FD_Udbezj8EHXbdsqLUpl4nF5uFdDttMLvmWuJdhhgs.ttf

FD_Udbezj8EHXbdsqLUpl4nF5uFdDttMLvmWuJdhhgs.ttf

33 ms

ElUAY9q6T0Ayx4zWzW63VKCWcynf_cDxXwCLxiixG1c.ttf

ElUAY9q6T0Ayx4zWzW63VKCWcynf_cDxXwCLxiixG1c.ttf

50 ms

4udXuXg54JlPEP5iKO5AmYnF5uFdDttMLvmWuJdhhgs.ttf

4udXuXg54JlPEP5iKO5AmYnF5uFdDttMLvmWuJdhhgs.ttf

51 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

3 ms

Accessibility Review

erg.abdn.ac.uk accessibility score

61

Accessibility Issues

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

erg.abdn.ac.uk best practices score

75

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

erg.abdn.ac.uk SEO score

62

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

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 Erg.abdn.ac.uk 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 Erg.abdn.ac.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

erg.abdn.ac.uk

Open Graph description is not detected on the main page of Erg Abdn. 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: