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iwjs.co.uk screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

iwjs.co.uk

IWJS Ltd – Providing drain jetting, tankers, CCTV, Sewer lining, asset management services nationwide. Established since 1977 and one of the largest i...

Page Load Speed

2.2 sec in total

First Response

178 ms

Resources Loaded

1.7 sec

Page Rendered

322 ms

iwjs.co.uk screenshot

About Website

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

IWJS Ltd has over 40 years’ experience delivering underground network infrastructure maintenance, repair and rehabilitation along with waste management and transport infrastructure cleaning services t...

Visit iwjs.co.uk

Key Findings

We analyzed Iwjs.co.uk page load time and found that the first response time was 178 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

iwjs.co.uk performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.085

93/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

iwjs.co.uk

178 ms

www.iwjs.co.uk

531 ms

cookie-consent.js

61 ms

js

86 ms

main.css

150 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 45% of them (15 requests) were addressed to the original Iwjs.co.uk, 21% (7 requests) were made to Mgroupservices.com and 12% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (619 ms) relates to the external source Mgroupservices.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 520.2 kB (24%)

Content Size

2.1 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Iwjs.co.uk main page is 2.1 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. 30% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 32.6 kB

  • Original 40.3 kB
  • After minification 38.7 kB
  • After compression 7.7 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 32.6 kB or 81% of the original size.

Image Optimization

-17%

Potential reduce by 316.5 kB

  • Original 1.8 MB
  • After minification 1.5 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. Obviously, IWJS needs image optimization as it can save up to 316.5 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-43%

Potential reduce by 77.7 kB

  • Original 178.8 kB
  • After minification 143.3 kB
  • After compression 101.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 77.7 kB or 43% of the original size.

CSS Optimization

-81%

Potential reduce by 93.4 kB

  • Original 115.8 kB
  • After minification 106.3 kB
  • After compression 22.4 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. Iwjs.co.uk needs all CSS files to be minified and compressed as it can save up to 93.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (42%)

Requests Now

26

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IWJS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

iwjs.co.uk

iwjs.co.uk

178 ms

www.iwjs.co.uk

www.iwjs.co.uk

531 ms

cookie-consent.js

cookie-consent.js

61 ms

js

js

86 ms

main.css

main.css

150 ms

jquery.min.js

jquery.min.js

43 ms

slick.css

slick.css

225 ms

slick-theme.css

slick-theme.css

228 ms

slick.js

slick.js

420 ms

aos.css

aos.css

53 ms

aos.js

aos.js

69 ms

animate.min.css

animate.min.css

48 ms

css

css

28 ms

reset.css

reset.css

80 ms

all.min.css

all.min.css

230 ms

cctv-surveys-option-01-20-03-2019-16-34.png

cctv-surveys-option-01-20-03-2019-16-34.png

570 ms

logo.png

logo.png

151 ms

flex-banner-1.jpg

flex-banner-1.jpg

536 ms

flex-banner-3.jpg

flex-banner-3.jpg

244 ms

home-bg-news.jpg

home-bg-news.jpg

235 ms

home-bg-clients.jpg

home-bg-clients.jpg

389 ms

home-bg-careers.jpg

home-bg-careers.jpg

377 ms

connectivity-and-gps-location-20-03-2019-16-34.png

connectivity-and-gps-location-20-03-2019-16-34.png

469 ms

digester-stw-asset-cleaning-20-03-2019-16-35.png

digester-stw-asset-cleaning-20-03-2019-16-35.png

499 ms

domestic-septic-tank-cleaning-20-03-2019-16-35.png

domestic-septic-tank-cleaning-20-03-2019-16-35.png

501 ms

iwjs-rescue-20-03-2019-16-36.png

iwjs-rescue-20-03-2019-16-36.png

617 ms

screen-and-dewatering-services-20-03-2019-16-36.png

screen-and-dewatering-services-20-03-2019-16-36.png

503 ms

sewer-rehabiliation-20-03-2019-16-37.png

sewer-rehabiliation-20-03-2019-16-37.png

619 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

17 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

23 ms

KFOlCnqEu92Fr1MmSU5fBBc-.woff

KFOlCnqEu92Fr1MmSU5fBBc-.woff

26 ms

KFOlCnqEu92Fr1MmWUlfBBc-.woff

KFOlCnqEu92Fr1MmWUlfBBc-.woff

33 ms

fa-brands-400.woff

fa-brands-400.woff

425 ms

Accessibility Review

iwjs.co.uk accessibility score

83

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

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

iwjs.co.uk best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

iwjs.co.uk SEO score

82

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

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 Iwjs.co.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 Iwjs.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

iwjs.co.uk

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