Tools & Wizards About Us
britishgasacademy.co.uk screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

britishgasacademy.co.uk

Careers | Centrica plc

Page Load Speed

8 sec in total

First Response

2.6 sec

Resources Loaded

5.1 sec

Page Rendered

405 ms

britishgasacademy.co.uk screenshot

About Website

Click here to check amazing Britishgasacademy content. Otherwise, check out these important facts you probably never knew about britishgasacademy.co.uk

Find out about jobs and careers with Centrica and help us shape our future.

Visit britishgasacademy.co.uk

Key Findings

We analyzed Britishgasacademy.co.uk page load time and found that the first response time was 2.6 sec 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

britishgasacademy.co.uk performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value21.0 s

0/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value1,160 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.068

96/100

15%

TTI (Time to Interactive)

Value15.8 s

6/100

10%

Network Requests Diagram

www.britishgasjobs.co.uk

2562 ms

style.less

899 ms

aether.js

257 ms

jwplayer.js

177 ms

core.asp

560 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Britishgasacademy.co.uk, 16% (9 requests) were made to Files.the-group.net and 7% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Britishgasjobs.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 399.6 kB (16%)

Content Size

2.5 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Britishgasacademy.co.uk main page is 2.5 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. 35% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 31.6 kB

  • Original 40.4 kB
  • After minification 36.2 kB
  • After compression 8.7 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 31.6 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 31.9 kB

  • Original 1.9 MB
  • After minification 1.9 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. Britishgasacademy images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 336.1 kB

  • Original 503.6 kB
  • After minification 498.8 kB
  • After compression 167.5 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 336.1 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (11%)

Requests Now

53

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Britishgasacademy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.britishgasjobs.co.uk

www.britishgasjobs.co.uk

2562 ms

style.less

style.less

899 ms

aether.js

aether.js

257 ms

jwplayer.js

jwplayer.js

177 ms

core.asp

core.asp

560 ms

script.asp

script.asp

171 ms

ga.js

ga.js

119 ms

analytics.js

analytics.js

119 ms

gtm.js

gtm.js

118 ms

pv_27.jpg

pv_27.jpg

636 ms

sprite.png

sprite.png

96 ms

sitelogo.png

sitelogo.png

129 ms

pho_hero1.jpg

pho_hero1.jpg

264 ms

pho_hero2.jpg

pho_hero2.jpg

777 ms

pho_hero3.jpg

pho_hero3.jpg

574 ms

pho_hero4.jpg

pho_hero4.jpg

756 ms

pho_hero5.jpg

pho_hero5.jpg

333 ms

bg_hero.png

bg_hero.png

406 ms

pic_uk.png

pic_uk.png

369 ms

pic_man_clipboard.png

pic_man_clipboard.png

419 ms

comment.gif

comment.gif

457 ms

playbutton.png

playbutton.png

507 ms

pic_technologyandinnovation.png

pic_technologyandinnovation.png

506 ms

pic_sales.png

pic_sales.png

549 ms

pic_business_support.png

pic_business_support.png

602 ms

pic_customer_relationship.png

pic_customer_relationship.png

618 ms

pic_customerservice.png

pic_customerservice.png

635 ms

pic_peopleprocess.png

pic_peopleprocess.png

660 ms

pic_corporate_affairs.png

pic_corporate_affairs.png

687 ms

pic_customer.png

pic_customer.png

708 ms

pic_engineers.png

pic_engineers.png

722 ms

bg_bordergrey.gif

bg_bordergrey.gif

756 ms

bg_pulloutlinks.jpg

bg_pulloutlinks.jpg

767 ms

pho_workingwithus_1.jpg

pho_workingwithus_1.jpg

807 ms

pho_meetourpeople.jpg

pho_meetourpeople.jpg

885 ms

pho_bgasawards.jpg

pho_bgasawards.jpg

874 ms

pv_25.jpg

pv_25.jpg

633 ms

pv_24.jpg

pv_24.jpg

628 ms

pv_23.jpg

pv_23.jpg

651 ms

pv_22.jpg

pv_22.jpg

661 ms

pv_21.jpg

pv_21.jpg

663 ms

pv_20.jpg

pv_20.jpg

746 ms

pv_26.jpg

pv_26.jpg

831 ms

hero.js

hero.js

775 ms

latestjobs.js

latestjobs.js

801 ms

videocarousel.js

videocarousel.js

801 ms

KlavikaWebBasicRegular.woff

KlavikaWebBasicRegular.woff

813 ms

KlavikaWebBasicMedium.woff

KlavikaWebBasicMedium.woff

840 ms

1872.js

1872.js

33 ms

__utm.gif

__utm.gif

19 ms

collect

collect

14 ms

s

s

149 ms

t.js

t.js

87 ms

u

u

65 ms

s

s

13 ms

jquery.easing.1.3.min.js

jquery.easing.1.3.min.js

119 ms

jwplayer.js

jwplayer.js

643 ms

print.less

print.less

101 ms

Accessibility Review

britishgasacademy.co.uk accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

Some elements have a [tabindex] value greater than 0

Best Practices

britishgasacademy.co.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

britishgasacademy.co.uk SEO score

75

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Britishgasacademy.co.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 Britishgasacademy.co.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

britishgasacademy.co.uk

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