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igem.org.uk screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

igem.org.uk

IGEM Home | The Institution of Gas Engineers and Managers (IGEM)

Page Load Speed

2.7 sec in total

First Response

552 ms

Resources Loaded

1.9 sec

Page Rendered

218 ms

igem.org.uk screenshot

About Website

Visit igem.org.uk now to see the best up-to-date IGEM content for United Kingdom and also check out these interesting facts you probably never knew about igem.org.uk

Work in gas? then join IGEM and connect with a global network of members who gain access to events, webinars, and training across standards, policy and industry innovation. Licensed by the Engineering...

Visit igem.org.uk

Key Findings

We analyzed Igem.org.uk page load time and found that the first response time was 552 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

igem.org.uk performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value19.6 s

0/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.152

75/100

15%

TTI (Time to Interactive)

Value13.3 s

11/100

10%

Network Requests Diagram

igem.org.uk

552 ms

reset.css

196 ms

default_igem.css

413 ms

jquery.megamenu.css

208 ms

example.css

205 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 82% of them (41 requests) were addressed to the original Igem.org.uk, 4% (2 requests) were made to Use.typekit.com and 4% (2 requests) were made to P.typekit.net. The less responsive or slowest element that took the longest time to load (647 ms) belongs to the original domain Igem.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 663.1 kB (48%)

Content Size

1.4 MB

After Optimization

718.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Igem.org.uk main page is 1.4 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. 45% of websites need less resources to load. Javascripts take 693.7 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 27.1 kB

  • Original 36.1 kB
  • After minification 33.8 kB
  • After compression 9.1 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 27.1 kB or 75% of the original size.

Image Optimization

-3%

Potential reduce by 18.4 kB

  • Original 584.3 kB
  • After minification 565.8 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. IGEM images are well optimized though.

JavaScript Optimization

-81%

Potential reduce by 561.8 kB

  • Original 693.7 kB
  • After minification 473.8 kB
  • After compression 131.9 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 561.8 kB or 81% of the original size.

CSS Optimization

-83%

Potential reduce by 55.8 kB

  • Original 67.3 kB
  • After minification 52.3 kB
  • After compression 11.5 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. Igem.org.uk needs all CSS files to be minified and compressed as it can save up to 55.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (59%)

Requests Now

49

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IGEM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

igem.org.uk

igem.org.uk

552 ms

reset.css

reset.css

196 ms

default_igem.css

default_igem.css

413 ms

jquery.megamenu.css

jquery.megamenu.css

208 ms

example.css

example.css

205 ms

Doc2Form.css

Doc2Form.css

212 ms

applist.css

applist.css

287 ms

jquery.fancybox-1.3.1.css

jquery.fancybox-1.3.1.css

316 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

618 ms

jquery.curvycorners.min.js

jquery.curvycorners.min.js

416 ms

jquery.fancybox-1.3.4.pack.js

jquery.fancybox-1.3.4.pack.js

423 ms

easyTooltip.js

easyTooltip.js

390 ms

mgz8fvr.js

mgz8fvr.js

131 ms

wyr7saa.js

wyr7saa.js

140 ms

nivo-slider.css

nivo-slider.css

414 ms

jquery.nivo.slider.js

jquery.nivo.slider.js

499 ms

jquery.tools.min.js

jquery.tools.min.js

511 ms

gatag.js

gatag.js

510 ms

WebResource.axd

WebResource.axd

428 ms

ScriptResource.axd

ScriptResource.axd

647 ms

ScriptResource.axd

ScriptResource.axd

510 ms

jquery.megamenu.js

jquery.megamenu.js

427 ms

p.gif

p.gif

228 ms

ga.js

ga.js

39 ms

p.gif

p.gif

176 ms

page_background_.jpg

page_background_.jpg

174 ms

main_grad.jpg

main_grad.jpg

167 ms

logo.jpg

logo.jpg

215 ms

new_icons.png

new_icons.png

216 ms

gas%20industry%20awards%202016.png

gas%20industry%20awards%202016.png

517 ms

yppc%202016%20website%20banner.jpg

yppc%202016%20website%20banner.jpg

458 ms

web%20banner%20gas%20industry%20awards%202016%20.jpg

web%20banner%20gas%20industry%20awards%202016%20.jpg

555 ms

homepage-banner-igem-academy-2014-v2.jpg

homepage-banner-igem-academy-2014-v2.jpg

465 ms

home_banner_mask.png

home_banner_mask.png

315 ms

__utm.gif

__utm.gif

65 ms

home_panel_about.jpg

home_panel_about.jpg

228 ms

arrow.png

arrow.png

331 ms

home_panel_membership.jpg

home_panel_membership.jpg

334 ms

home_panel_standards.jpg

home_panel_standards.jpg

429 ms

IGEM-Homepage-Panel-News-and-Events.jpg

IGEM-Homepage-Panel-News-and-Events.jpg

434 ms

footer_home_background.jpg

footer_home_background.jpg

473 ms

4950701026843203269.js

4950701026843203269.js

423 ms

left_nav_off.png

left_nav_off.png

420 ms

center_nav_off.png

center_nav_off.png

474 ms

right_nav_off.png

right_nav_off.png

474 ms

c3066973282b.js

c3066973282b.js

14 ms

print.css

print.css

99 ms

usabilla_blue_rightSideFeedback.png

usabilla_blue_rightSideFeedback.png

18 ms

arrow_white01.png

arrow_white01.png

99 ms

bullets.png

bullets.png

103 ms

Accessibility Review

igem.org.uk accessibility score

70

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

igem.org.uk 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

High

Missing source maps for large first-party JavaScript

SEO Factors

igem.org.uk SEO score

98

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Igem.org.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 Igem.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

igem.org.uk

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