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diligentinstruments.com screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

diligentinstruments.com

DLG Instruments - automotive tester, ground resistance tester

Page Load Speed

2 sec in total

First Response

61 ms

Resources Loaded

1.7 sec

Page Rendered

235 ms

diligentinstruments.com screenshot

About Website

Welcome to diligentinstruments.com homepage info - get ready to check Diligent Instruments best content right away, or after learning these important things about diligentinstruments.com

DLG Instruments is dedicated to provide various instruments and testers in power measurement and automotive repair with solid quality and affordable price.

Visit diligentinstruments.com

Key Findings

We analyzed Diligentinstruments.com page load time and found that the first response time was 61 ms and then it took 2 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

diligentinstruments.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value5.6 s

52/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

www.diligentinstruments.com

61 ms

site.css

20 ms

duel.js

7 ms

addthis_widget.js

19 ms

scc-c2.min.js

37 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Diligentinstruments.com, 50% (19 requests) were made to Img1.wsimg.com and 18% (7 requests) were made to Nebula.wsimg.com. The less responsive or slowest element that took the longest time to load (766 ms) relates to the external source Nebula.wsimg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 339.2 kB (6%)

Content Size

5.5 MB

After Optimization

5.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Diligentinstruments.com main page is 5.5 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. 45% of websites need less resources to load. Images take 5.0 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 30.7 kB

  • Original 40.0 kB
  • After minification 40.0 kB
  • After compression 9.4 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 30.7 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 3.8 kB

  • Original 5.0 MB
  • After minification 5.0 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. Diligent Instruments images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 238.7 kB

  • Original 341.3 kB
  • After minification 341.1 kB
  • After compression 102.6 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 238.7 kB or 70% of the original size.

CSS Optimization

-78%

Potential reduce by 66.0 kB

  • Original 84.4 kB
  • After minification 84.3 kB
  • After compression 18.4 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. Diligentinstruments.com needs all CSS files to be minified and compressed as it can save up to 66.0 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (61%)

Requests Now

31

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diligent Instruments. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.diligentinstruments.com

www.diligentinstruments.com

61 ms

site.css

site.css

20 ms

duel.js

duel.js

7 ms

addthis_widget.js

addthis_widget.js

19 ms

scc-c2.min.js

scc-c2.min.js

37 ms

jq.js

jq.js

22 ms

5700e434432c939ed0c8a3d2628be93c

5700e434432c939ed0c8a3d2628be93c

218 ms

subNavigation.js

subNavigation.js

14 ms

media.gallery.js

media.gallery.js

29 ms

social.share.js

social.share.js

11 ms

cookiemanager.js

cookiemanager.js

11 ms

iebackground.js

iebackground.js

13 ms

1ec2b8f67f2e7c1cbd08ccf8552146d9

1ec2b8f67f2e7c1cbd08ccf8552146d9

277 ms

546438e8d6a2fd9d2a08d0e725e717dd

546438e8d6a2fd9d2a08d0e725e717dd

319 ms

util.window.js

util.window.js

15 ms

util.instances.js

util.instances.js

17 ms

util.model.js

util.model.js

15 ms

helper.js

helper.js

16 ms

facebookSDKHelper.js

facebookSDKHelper.js

16 ms

documentHelper.js

documentHelper.js

4 ms

browser.js

browser.js

60 ms

util.fbSDKLoader.js

util.fbSDKLoader.js

58 ms

dd47bedb22a0b599f04d9987b1edf706

dd47bedb22a0b599f04d9987b1edf706

766 ms

wsb-slideshow-arrows.png

wsb-slideshow-arrows.png

5 ms

S6uyw4BMUTPHjx4wWA.woff

S6uyw4BMUTPHjx4wWA.woff

7 ms

growl.js

growl.js

13 ms

sf.core.pkg.js

sf.core.pkg.js

9 ms

app.css

app.css

7 ms

sdk.js

sdk.js

19 ms

sdk.js

sdk.js

6 ms

page.php

page.php

46 ms

116 ms

addthis_widget.js

addthis_widget.js

11 ms

1e2787937affaf872ef649dcb14e3184

1e2787937affaf872ef649dcb14e3184

17 ms

640ee89884aa0347f84d6287334401dd

640ee89884aa0347f84d6287334401dd

354 ms

a274bc214056783ae8f1cfe6c25be6d9

a274bc214056783ae8f1cfe6c25be6d9

697 ms

page.php

page.php

34 ms

107 ms

Accessibility Review

diligentinstruments.com accessibility score

72

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.

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

Best Practices

diligentinstruments.com best practices score

67

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

diligentinstruments.com SEO score

69

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

Image elements do not have [alt] attributes

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 Diligentinstruments.com 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 Diligentinstruments.com 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

diligentinstruments.com

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