Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

niceresearch.org

CNIE PhD Students (NICE and Lan Groups) | UCL Centre for Nature Inspired Engineering - UCL – University College London

Page Load Speed

5.7 sec in total

First Response

224 ms

Resources Loaded

4.4 sec

Page Rendered

1.1 sec

niceresearch.org screenshot

About Website

Click here to check amazing NICE Research content. Otherwise, check out these important facts you probably never knew about niceresearch.org

UCL CNIE is home to two research groups dedicated to nature-inspired research.

Visit niceresearch.org

Key Findings

We analyzed Niceresearch.org page load time and found that the first response time was 224 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

niceresearch.org performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

24/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value310 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.067

96/100

15%

TTI (Time to Interactive)

Value7.8 s

45/100

10%

Network Requests Diagram

niceresearch.org

224 ms

niceresearch.org

261 ms

cnie-phd-students-nice-and-lan-groups

151 ms

font-awesome.min.css

207 ms

screen.min.css

217 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Niceresearch.org, 53% (49 requests) were made to Ucl.ac.uk and 37% (34 requests) were made to Cdn.ucl.ac.uk. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Ucl.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 28.2 MB (99%)

Content Size

28.5 MB

After Optimization

306.6 kB

In fact, the total size of Niceresearch.org main page is 28.5 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. 40% of websites need less resources to load. Images take 28.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 62.5 kB

  • Original 76.5 kB
  • After minification 75.1 kB
  • After compression 13.9 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 62.5 kB or 82% of the original size.

Image Optimization

-99%

Potential reduce by 28.2 MB

  • Original 28.3 MB
  • After minification 142.6 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, NICE Research needs image optimization as it can save up to 28.2 MB or 99% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 530 B

  • Original 119.7 kB
  • After minification 119.7 kB
  • After compression 119.1 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.

CSS Optimization

-0%

Potential reduce by 89 B

  • Original 31.1 kB
  • After minification 31.1 kB
  • After compression 31.0 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. Niceresearch.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 57 (64%)

Requests Now

89

After Optimization

32

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NICE Research. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

niceresearch.org accessibility score

98

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.

Best Practices

niceresearch.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

niceresearch.org SEO score

91

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

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

High

Tap targets are not sized appropriately

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 Niceresearch.org 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 Niceresearch.org 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 NICE Research. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: