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sierra.co.uk screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

sierra.co.uk

Sierra IT Training Services | System i training courses

Page Load Speed

3.7 sec in total

First Response

285 ms

Resources Loaded

3.2 sec

Page Rendered

161 ms

sierra.co.uk screenshot

About Website

Visit sierra.co.uk now to see the best up-to-date Sierra content and also check out these interesting facts you probably never knew about sierra.co.uk

System i (AS/400, iSeries, i5) training from Sierra Training. Specialists in IBM System i (AS/400, iSeries, i5) training for over 27 years.

Visit sierra.co.uk

Key Findings

We analyzed Sierra.co.uk page load time and found that the first response time was 285 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

sierra.co.uk performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value140 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value1.607

0/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

sierra.co.uk

285 ms

www.sierra.co.uk

1067 ms

wp-emoji-release.min.js

85 ms

formidableforms.css

170 ms

style.dev.css

394 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 83% of them (29 requests) were addressed to the original Sierra.co.uk, 14% (5 requests) were made to Fonts.gstatic.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Sierra.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 77.1 kB (10%)

Content Size

799.3 kB

After Optimization

722.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sierra.co.uk main page is 799.3 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. 45% of websites need less resources to load. Images take 592.3 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 31.5 kB

  • Original 40.0 kB
  • After minification 38.1 kB
  • After compression 8.4 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 31.5 kB or 79% of the original size.

Image Optimization

-5%

Potential reduce by 31.1 kB

  • Original 592.3 kB
  • After minification 561.2 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. Sierra images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 9.6 kB

  • Original 115.0 kB
  • After minification 115.0 kB
  • After compression 105.4 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

-9%

Potential reduce by 4.9 kB

  • Original 52.0 kB
  • After minification 51.3 kB
  • After compression 47.2 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. Sierra.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (70%)

Requests Now

27

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sierra. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sierra.co.uk

sierra.co.uk

285 ms

www.sierra.co.uk

www.sierra.co.uk

1067 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

85 ms

formidableforms.css

formidableforms.css

170 ms

style.dev.css

style.dev.css

394 ms

style.css

style.css

244 ms

css

css

32 ms

style.css

style.css

249 ms

shortcodes_responsive.css

shortcodes_responsive.css

250 ms

magnific_popup.css

magnific_popup.css

264 ms

dashicons.min.css

dashicons.min.css

253 ms

jquery.js

jquery.js

438 ms

jquery-migrate.min.js

jquery-migrate.min.js

333 ms

frontend-builder-global-functions.js

frontend-builder-global-functions.js

347 ms

jquery.mobile.custom.min.js

jquery.mobile.custom.min.js

363 ms

custom.js

custom.js

346 ms

smoothscroll.js

smoothscroll.js

468 ms

jquery.fitvids.js

jquery.fitvids.js

529 ms

waypoints.min.js

waypoints.min.js

530 ms

jquery.magnific-popup.js

jquery.magnific-popup.js

532 ms

frontend-builder-scripts.js

frontend-builder-scripts.js

535 ms

common.js

common.js

541 ms

wp-embed.min.js

wp-embed.min.js

541 ms

bkgd3.jpg

bkgd3.jpg

162 ms

logo_header3.jpg

logo_header3.jpg

164 ms

slidertext4.png

slidertext4.png

110 ms

IBM-i-Logo2b.png

IBM-i-Logo2b.png

111 ms

slidertext5.png

slidertext5.png

116 ms

home_bkgd6m.jpg

home_bkgd6m.jpg

389 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

24 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

30 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

34 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

41 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVc.ttf

45 ms

modules.ttf

modules.ttf

174 ms

Accessibility Review

sierra.co.uk accessibility score

84

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

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

sierra.co.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

SEO Factors

sierra.co.uk SEO score

93

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

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

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 Sierra.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 Sierra.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

sierra.co.uk

Open Graph data is detected on the main page of Sierra. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: