Tools & Wizards About Us
rockal.com screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

rockal.com

Piling Specialists | CFA Piling | Rock & Alluvium Ltd

Page Load Speed

4.4 sec in total

First Response

189 ms

Resources Loaded

3.2 sec

Page Rendered

1 sec

rockal.com screenshot

About Website

Visit rockal.com now to see the best up-to-date Rock Al content and also check out these interesting facts you probably never knew about rockal.com

Rock & Alluvium have been providing piling solutions to the building and civil engineering sectors since 1963. We offer a wide range of piling services including piled retaining walls such as contiguo...

Visit rockal.com

Key Findings

We analyzed Rockal.com page load time and found that the first response time was 189 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

rockal.com performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

14/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.6 s

47/100

10%

Network Requests Diagram

rockal.com

189 ms

rockal.com

486 ms

jquery-3.1.1.min.js

237 ms

jquery-ui.min.js

411 ms

ra_scripts.js

492 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 98% of them (47 requests) were addressed to the original Rockal.com, 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Rockal.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 726.5 kB (13%)

Content Size

5.7 MB

After Optimization

5.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rockal.com main page is 5.7 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 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 30.6 kB

  • Original 38.0 kB
  • After minification 37.9 kB
  • After compression 7.4 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 30.6 kB or 80% of the original size.

Image Optimization

-8%

Potential reduce by 401.2 kB

  • Original 5.3 MB
  • After minification 4.9 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. Rock Al images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 264.9 kB

  • Original 367.1 kB
  • After minification 355.9 kB
  • After compression 102.3 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 264.9 kB or 72% of the original size.

CSS Optimization

-86%

Potential reduce by 29.9 kB

  • Original 34.7 kB
  • After minification 22.4 kB
  • After compression 4.7 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. Rockal.com needs all CSS files to be minified and compressed as it can save up to 29.9 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (7%)

Requests Now

46

After Optimization

43

  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rock Al. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

rockal.com

rockal.com

189 ms

rockal.com

rockal.com

486 ms

jquery-3.1.1.min.js

jquery-3.1.1.min.js

237 ms

jquery-ui.min.js

jquery-ui.min.js

411 ms

ra_scripts.js

ra_scripts.js

492 ms

js

js

67 ms

ra_styles.css

ra_styles.css

98 ms

wembfrontmain.jpg

wembfrontmain.jpg

477 ms

img_5.jpg

img_5.jpg

199 ms

siteagicranerig.jpg

siteagicranerig.jpg

287 ms

dotred.png

dotred.png

369 ms

dotwhite.png

dotwhite.png

449 ms

linked.png

linked.png

529 ms

twitter.png

twitter.png

636 ms

fpsmember.jpg

fpsmember.jpg

611 ms

rabrandlogohigh.png

rabrandlogohigh.png

704 ms

arrowright.png

arrowright.png

716 ms

achilleslogo.png

achilleslogo.png

787 ms

countrysideaward.jpg

countrysideaward.jpg

1040 ms

gascoigneeast.jpg

gascoigneeast.jpg

878 ms

vistryaward.png

vistryaward.png

964 ms

img_wim.jpg

img_wim.jpg

1063 ms

stjamesaward.jpg

stjamesaward.jpg

1125 ms

freshwharf.jpg

freshwharf.jpg

1164 ms

pilerigsr45.jpg

pilerigsr45.jpg

1298 ms

pilerig_sr75.jpg

pilerig_sr75.jpg

1754 ms

cp2017hsaward.jpg

cp2017hsaward.jpg

1495 ms

whitecity3.jpg

whitecity3.jpg

1271 ms

tabbag.jpg

tabbag.jpg

1359 ms

hseqaimgealing.jpg

hseqaimgealing.jpg

1395 ms

pilingrigswemb.jpg

pilingrigswemb.jpg

1449 ms

rigenv.jpg

rigenv.jpg

1486 ms

siterigrail.jpg

siterigrail.jpg

1544 ms

hse1.jpg

hse1.jpg

1577 ms

cfapiling.jpg

cfapiling.jpg

1767 ms

rotarypiling.jpg

rotarypiling.jpg

1638 ms

rabrandlogoredwhite.png

rabrandlogoredwhite.png

1657 ms

menu.png

menu.png

1720 ms

accreds.jpg

accreds.jpg

1749 ms

sector0.jpg

sector0.jpg

1803 ms

sector1.jpg

sector1.jpg

1847 ms

sector2.jpg

sector2.jpg

1981 ms

pilerig_sf50.jpg

pilerig_sf50.jpg

1745 ms

pilerig_sf70.jpg

pilerig_sf70.jpg

1693 ms

pilerig_sr30.jpg

pilerig_sr30.jpg

1648 ms

secant_wimbledon.jpg

secant_wimbledon.jpg

1603 ms

designwork.jpg

designwork.jpg

1529 ms

ra_styles_mobile.css

ra_styles_mobile.css

86 ms

Accessibility Review

rockal.com accessibility score

70

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

rockal.com best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

rockal.com SEO score

62

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rockal.com 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 Rockal.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

rockal.com

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