Tools & Wizards About Us
bolc.co.uk screenshot

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 95

    SEO

    Google-friendlier than
    90% of websites

bolc.co.uk

Online Courses UK | Brentwood Open Learning College

Page Load Speed

1.9 sec in total

First Response

96 ms

Resources Loaded

862 ms

Page Rendered

956 ms

bolc.co.uk screenshot

About Website

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

Online Courses UK. Looking for Online College Courses UK? Browse latest online courses offered by Brentwood Open Learning College.

Visit bolc.co.uk

Key Findings

We analyzed Bolc.co.uk page load time and found that the first response time was 96 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

bolc.co.uk performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.3 s

84/100

10%

Network Requests Diagram

bolc.co.uk

96 ms

www.bolc.co.uk

254 ms

font-awesome.min.css

66 ms

logo.webp

95 ms

slick.css

97 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that all of those requests were addressed to Bolc.co.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (289 ms) belongs to the original domain Bolc.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 334.2 kB (67%)

Content Size

502.0 kB

After Optimization

167.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bolc.co.uk main page is 502.0 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. 55% of websites need less resources to load. HTML takes 406.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 331.9 kB

  • Original 406.4 kB
  • After minification 371.8 kB
  • After compression 74.4 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 331.9 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 35 B

  • Original 36.5 kB
  • After minification 36.5 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. Bolc images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 1.7 kB

  • Original 41.0 kB
  • After minification 41.0 kB
  • After compression 39.2 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

-3%

Potential reduce by 555 B

  • Original 18.1 kB
  • After minification 18.1 kB
  • After compression 17.6 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. Bolc.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (27%)

Requests Now

51

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bolc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bolc.co.uk

bolc.co.uk

96 ms

www.bolc.co.uk

www.bolc.co.uk

254 ms

font-awesome.min.css

font-awesome.min.css

66 ms

logo.webp

logo.webp

95 ms

slick.css

slick.css

97 ms

nice-select.css

nice-select.css

97 ms

jquery.nice-number.min.css

jquery.nice-number.min.css

101 ms

magnific-popup.css

magnific-popup.css

97 ms

bootstrap_main.min.css

bootstrap_main.min.css

99 ms

man.png

man.png

136 ms

book.png

book.png

137 ms

expert.png

expert.png

137 ms

Depositphotos_15731293_l%20-%20Copy%20(2)32215761631698551631891994.webp

Depositphotos_15731293_l%20-%20Copy%20(2)32215761631698551631891994.webp

140 ms

Depositphotos_12497887_l%20-%20Copy%20-%20Copy43415773650702351631909554.webp

Depositphotos_12497887_l%20-%20Copy%20-%20Copy43415773650702351631909554.webp

138 ms

Human%20Resources%20Management%20-%20Copy%20(2)144015773669054471631906941.webp

Human%20Resources%20Management%20-%20Copy%20(2)144015773669054471631906941.webp

137 ms

What%20do%20Construction%20Manager%20working%20%20-%20Copy%20-%20Copy%20(2)67315758915523051631890673.webp

What%20do%20Construction%20Manager%20working%20%20-%20Copy%20-%20Copy%20(2)67315758915523051631890673.webp

152 ms

Depositphotos_15731293_l%20-%20Copy%20(2)32215761631695931631907222.webp

Depositphotos_15731293_l%20-%20Copy%20(2)32215761631695931631907222.webp

137 ms

Depositphotos_7683239_original%20-%20Copy5731577364998.webp

Depositphotos_7683239_original%20-%20Copy5731577364998.webp

155 ms

Nutrition%20course15751629457610.webp

Nutrition%20course15751629457610.webp

139 ms

Depositphotos_46522599_l%20-%20Copy1009157736567513251631906802.webp

Depositphotos_46522599_l%20-%20Copy1009157736567513251631906802.webp

154 ms

Accounting%20and%20finance%20levevl%20516301629457528.webp

Accounting%20and%20finance%20levevl%20516301629457528.webp

155 ms

number1.jpg

number1.jpg

155 ms

number2.jpg

number2.jpg

156 ms

number3.jpg

number3.jpg

183 ms

f-1.png

f-1.png

185 ms

f-2.png

f-2.png

185 ms

f-3.png

f-3.png

186 ms

youtube-icon.png

youtube-icon.png

185 ms

twit_img.png

twit_img.png

186 ms

facebook_img.png

facebook_img.png

213 ms

p_img.png

p_img.png

216 ms

youtub_img.png

youtub_img.png

216 ms

instagram_img.png

instagram_img.png

217 ms

bootstrap.min.js

bootstrap.min.js

216 ms

slick.min.js

slick.min.js

223 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

244 ms

jquery.counterup.min.js

jquery.counterup.min.js

246 ms

jquery.nice-select.js

jquery.nice-select.js

246 ms

jquery.nice-number.min.js

jquery.nice-number.min.js

222 ms

jquery.countdown.min.js

jquery.countdown.min.js

193 ms

main.js

main.js

192 ms

custom.js

custom.js

217 ms

custom.js

custom.js

218 ms

BOLC_2024.webp

BOLC_2024.webp

289 ms

Montserrat-Medium.ttf

Montserrat-Medium.ttf

283 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

286 ms

Accounting%20and%20finance%20levevl%20516301629457528.webp

Accounting%20and%20finance%20levevl%20516301629457528.webp

39 ms

Depositphotos_46522599_l%20-%20Copy1009157736567513251631906802.webp

Depositphotos_46522599_l%20-%20Copy1009157736567513251631906802.webp

39 ms

Nutrition%20course15751629457610.webp

Nutrition%20course15751629457610.webp

40 ms

Depositphotos_7683239_original%20-%20Copy5731577364998.webp

Depositphotos_7683239_original%20-%20Copy5731577364998.webp

39 ms

Depositphotos_15731293_l%20-%20Copy%20(2)32215761631698551631891994.webp

Depositphotos_15731293_l%20-%20Copy%20(2)32215761631698551631891994.webp

40 ms

Depositphotos_12497887_l%20-%20Copy%20-%20Copy43415773650702351631909554.webp

Depositphotos_12497887_l%20-%20Copy%20-%20Copy43415773650702351631909554.webp

40 ms

Human%20Resources%20Management%20-%20Copy%20(2)144015773669054471631906941.webp

Human%20Resources%20Management%20-%20Copy%20(2)144015773669054471631906941.webp

63 ms

What%20do%20Construction%20Manager%20working%20%20-%20Copy%20-%20Copy%20(2)67315758915523051631890673.webp

What%20do%20Construction%20Manager%20working%20%20-%20Copy%20-%20Copy%20(2)67315758915523051631890673.webp

64 ms

Depositphotos_15731293_l%20-%20Copy%20(2)32215761631695931631907222.webp

Depositphotos_15731293_l%20-%20Copy%20(2)32215761631695931631907222.webp

92 ms

Accessibility Review

bolc.co.uk accessibility score

96

Accessibility Issues

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

Links do not have a discernible name

Best Practices

bolc.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

High

Page has valid source maps

SEO Factors

bolc.co.uk SEO score

95

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

    EN

  • Encoding

    UTF-8

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

bolc.co.uk

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