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z-tool.com screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    64% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

z-tool.com

The Z-Tool System | Professional Vehicle Lockout Tools

Page Load Speed

1.5 sec in total

First Response

184 ms

Resources Loaded

973 ms

Page Rendered

308 ms

z-tool.com screenshot

About Website

Click here to check amazing Z Tool content. Otherwise, check out these important facts you probably never knew about z-tool.com

The Z-Tool Vehicle Lockout System is the original, lockout toolkit of choice for professional locksmiths and towing companies nationwide.

Visit z-tool.com

Key Findings

We analyzed Z-tool.com page load time and found that the first response time was 184 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

z-tool.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.358

30/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

z-tool.com

184 ms

z-tool.com

302 ms

jquery-3.4.1.min.js

23 ms

js

61 ms

style.min.css

18 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 65% of them (32 requests) were addressed to the original Z-tool.com, 16% (8 requests) were made to Fonts.gstatic.com and 8% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (302 ms) belongs to the original domain Z-tool.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 63.5 kB (12%)

Content Size

515.6 kB

After Optimization

452.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Z-tool.com main page is 515.6 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. 60% of websites need less resources to load. Images take 278.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 57.4 kB

  • Original 71.4 kB
  • After minification 68.7 kB
  • After compression 14.0 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 57.4 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 278.5 kB
  • After minification 278.5 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. Z Tool images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 4.6 kB

  • Original 118.9 kB
  • After minification 118.9 kB
  • After compression 114.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 1.6 kB

  • Original 46.9 kB
  • After minification 46.9 kB
  • After compression 45.3 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. Z-tool.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (54%)

Requests Now

39

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Z Tool. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

z-tool.com

z-tool.com

184 ms

z-tool.com

z-tool.com

302 ms

jquery-3.4.1.min.js

jquery-3.4.1.min.js

23 ms

js

js

61 ms

style.min.css

style.min.css

18 ms

simple-banner.css

simple-banner.css

39 ms

slick.css

slick.css

39 ms

bootstrap.min.css

bootstrap.min.css

38 ms

style.css

style.css

44 ms

responsive.css

responsive.css

43 ms

all.min.css

all.min.css

49 ms

frontend-gtag.min.js

frontend-gtag.min.js

45 ms

jquery.min.js

jquery.min.js

55 ms

jquery-migrate.min.js

jquery-migrate.min.js

55 ms

simple-banner.js

simple-banner.js

54 ms

navigation.js

navigation.js

55 ms

skip-link-focus-fix.js

skip-link-focus-fix.js

54 ms

slick.js

slick.js

54 ms

custom.js

custom.js

71 ms

css

css

32 ms

css

css

48 ms

css

css

53 ms

css

css

53 ms

gtm.js

gtm.js

121 ms

logo.png

logo.png

109 ms

buy-button-storefront.min.js

buy-button-storefront.min.js

137 ms

2023_Facebook_icon.png

2023_Facebook_icon.png

107 ms

Home-Slider-Image.jpg

Home-Slider-Image.jpg

107 ms

placeholder-20x10.png

placeholder-20x10.png

107 ms

z-tool_kit_web_slider.jpg

z-tool_kit_web_slider.jpg

106 ms

z-tool_door_handle_slider_3.jpg

z-tool_door_handle_slider_3.jpg

106 ms

blue_car_z-tool_background_1-1177x422.jpg

blue_car_z-tool_background_1-1177x422.jpg

105 ms

2024-System-Manual.png

2024-System-Manual.png

124 ms

Grand-Master-Z-Tool-System_3_1-360x400.jpg

Grand-Master-Z-Tool-System_3_1-360x400.jpg

127 ms

Grand-Master-Kit_Long-Reach-Tool-Combo_3_1-360x400_featured-360x400.jpg

Grand-Master-Kit_Long-Reach-Tool-Combo_3_1-360x400_featured-360x400.jpg

124 ms

Long-Reach-Tool-Package-White-Background-500x500-01-360x400.jpg

Long-Reach-Tool-Package-White-Background-500x500-01-360x400.jpg

123 ms

Home-Training-Sessions-1-icon.png

Home-Training-Sessions-1-icon.png

127 ms

Home-Training-Sessions-2-icon.png

Home-Training-Sessions-2-icon.png

265 ms

Home-Training-Sessions-3-icon.png

Home-Training-Sessions-3-icon.png

235 ms

Home-Training-Sessions-4-icon.png

Home-Training-Sessions-4-icon.png

233 ms

Home-Training-Sessions-5-icon.png

Home-Training-Sessions-5-icon.png

265 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

126 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

126 ms

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memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

156 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

156 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

170 ms

yYLx0hLR0P-3vMFSk1TCq3Txg5BHdrz-.ttf

yYLx0hLR0P-3vMFSk1TCq3Txg5BHdrz-.ttf

236 ms

z7NFdQDnbTkabZAIOl9il_O6KJj73e7Ff1GhDuXMQg.ttf

z7NFdQDnbTkabZAIOl9il_O6KJj73e7Ff1GhDuXMQg.ttf

170 ms

z7NFdQDnbTkabZAIOl9il_O6KJj73e7Ff0GmDuXMQg.ttf

z7NFdQDnbTkabZAIOl9il_O6KJj73e7Ff0GmDuXMQg.ttf

170 ms

Accessibility Review

z-tool.com accessibility score

79

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

z-tool.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

z-tool.com SEO score

93

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

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

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 Z-tool.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 Z-tool.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

z-tool.com

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