Tools & Wizards About Us
ddvalve.co.za screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

ddvalve.co.za

Engineering Supplies | D&D Valve & Engineering In Johannesburg

Page Load Speed

7.3 sec in total

First Response

731 ms

Resources Loaded

6.3 sec

Page Rendered

258 ms

ddvalve.co.za screenshot

About Website

Visit ddvalve.co.za now to see the best up-to-date D Valve content and also check out these interesting facts you probably never knew about ddvalve.co.za

D&D Valve & Engineering Supplies are suppliers of a wide range of equipment and have built up a reputation as being a top-quality engineering supply store.

Visit ddvalve.co.za

Key Findings

We analyzed Ddvalve.co.za page load time and found that the first response time was 731 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

ddvalve.co.za performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value1,390 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.158

73/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

ddvalve.co.za

731 ms

ddvalve.co.za

2346 ms

wp-emoji-release.min.js

405 ms

lightbox.css

628 ms

general-https-03372ee.css

665 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 92% of them (46 requests) were addressed to the original Ddvalve.co.za, 6% (3 requests) were made to Fonts.googleapis.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Ddvalve.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.0 kB (9%)

Content Size

803.8 kB

After Optimization

732.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ddvalve.co.za main page is 803.8 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. 40% of websites need less resources to load. Images take 531.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 59.5 kB

  • Original 75.7 kB
  • After minification 72.5 kB
  • After compression 16.1 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 59.5 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 531.4 kB
  • After minification 531.4 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. D Valve images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 7.6 kB

  • Original 141.1 kB
  • After minification 141.1 kB
  • After compression 133.4 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

-7%

Potential reduce by 3.8 kB

  • Original 55.6 kB
  • After minification 55.6 kB
  • After compression 51.8 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. Ddvalve.co.za has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 41 (87%)

Requests Now

47

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of D Valve. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ddvalve.co.za

ddvalve.co.za

731 ms

ddvalve.co.za

ddvalve.co.za

2346 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

405 ms

lightbox.css

lightbox.css

628 ms

general-https-03372ee.css

general-https-03372ee.css

665 ms

layout-front_page-https-42d213d.css

layout-front_page-https-42d213d.css

659 ms

responsive-grid-https-d2119e4.css

responsive-grid-https-d2119e4.css

675 ms

settings.css

settings.css

672 ms

css

css

35 ms

css

css

53 ms

css

css

56 ms

sticky-popup.css

sticky-popup.css

675 ms

shiftnav.min.css

shiftnav.min.css

851 ms

font-awesome.min.css

font-awesome.min.css

881 ms

standard-dark.css

standard-dark.css

879 ms

jquery.js

jquery.js

1108 ms

jquery-migrate.min.js

jquery-migrate.min.js

890 ms

froogaloop2.min.js

froogaloop2.min.js

892 ms

jquery.fitvids.js

jquery.fitvids.js

1068 ms

responsive-grid-js-https-e6e6939.js

responsive-grid-js-https-e6e6939.js

1095 ms

modernizr.custom.js

modernizr.custom.js

1096 ms

formreset.min.css

formreset.min.css

921 ms

formsmain.min.css

formsmain.min.css

1158 ms

readyclass.min.css

readyclass.min.css

1123 ms

browsers.min.css

browsers.min.css

1136 ms

mousewheel.min.js

mousewheel.min.js

1135 ms

lightbox.js

lightbox.js

1366 ms

custom.js

custom.js

1146 ms

page-scroll-to-id.min.js

page-scroll-to-id.min.js

1331 ms

shiftnav.min.js

shiftnav.min.js

1353 ms

wp-embed.min.js

wp-embed.min.js

1353 ms

jquery.hoverintent.js

jquery.hoverintent.js

1373 ms

jquery.superfish.js

jquery.superfish.js

1375 ms

selectnav.js

selectnav.js

1549 ms

block-dynamic-js-layout-front_page-https-c0444d0.js

block-dynamic-js-layout-front_page-https-c0444d0.js

1570 ms

jquery.stellar.js

jquery.stellar.js

1570 ms

wp-a11y.min.js

wp-a11y.min.js

1590 ms

jquery.json.min.js

jquery.json.min.js

1592 ms

gravityforms.min.js

gravityforms.min.js

1598 ms

jquery.maskedinput.min.js

jquery.maskedinput.min.js

1767 ms

placeholders.jquery.min.js

placeholders.jquery.min.js

1787 ms

utils.min.js

utils.min.js

1572 ms

vendor-theme.min.js

vendor-theme.min.js

1358 ms

scripts-theme.min.js

scripts-theme.min.js

1331 ms

gtm.js

gtm.js

163 ms

headerbackground-3.png

headerbackground-3.png

1745 ms

newheaderlogo.fw_-1.png

newheaderlogo.fw_-1.png

1253 ms

valves1-1.jpg

valves1-1.jpg

1275 ms

2-1.jpg

2-1.jpg

1493 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

2259 ms

Accessibility Review

ddvalve.co.za accessibility score

88

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

ddvalve.co.za 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

ddvalve.co.za SEO score

90

Search Engine Optimization Advices

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 Ddvalve.co.za 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 Ddvalve.co.za 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

ddvalve.co.za

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