Tools & Wizards About Us
zm-us.com screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

zm-us.com

ZM-US - Solenoid Switches, Starter Motors, Alternators, Wheel Bolts and Nuts, Cold Forged Special Parts and Fasteners

Page Load Speed

2.8 sec in total

First Response

528 ms

Resources Loaded

2 sec

Page Rendered

317 ms

zm-us.com screenshot

About Website

Click here to check amazing ZM US content. Otherwise, check out these important facts you probably never knew about zm-us.com

Automotive manufacturer Wheel Bolts and Nuts, Solenoid to starter motor, Starter motor, Alternators, Fasteners and Cold Forged Special Parts.

Visit zm-us.com

Key Findings

We analyzed Zm-us.com page load time and found that the first response time was 528 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

zm-us.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value12.4 s

0/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.252

49/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

zm-us.com

528 ms

bootstrap.css

724 ms

style.css

432 ms

jquery.onebyone.css

291 ms

responsive-slider.css

314 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 74% of them (31 requests) were addressed to the original Zm-us.com, 5% (2 requests) were made to Fonts.googleapis.com and 5% (2 requests) were made to Extranet.zm.com.br. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Zm-us.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (54%)

Content Size

2.4 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zm-us.com main page is 2.4 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 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 17.6 kB

  • Original 21.3 kB
  • After minification 15.2 kB
  • After compression 3.7 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. This page needs HTML code to be minified as it can gain 6.1 kB, which is 29% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 17.6 kB or 83% of the original size.

Image Optimization

-52%

Potential reduce by 960.5 kB

  • Original 1.9 MB
  • After minification 903.4 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. Obviously, ZM US needs image optimization as it can save up to 960.5 kB or 52% 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 104.8 kB

  • Original 244.4 kB
  • After minification 243.9 kB
  • After compression 139.7 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 104.8 kB or 43% of the original size.

CSS Optimization

-86%

Potential reduce by 191.1 kB

  • Original 221.2 kB
  • After minification 179.1 kB
  • After compression 30.1 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. Zm-us.com needs all CSS files to be minified and compressed as it can save up to 191.1 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (44%)

Requests Now

36

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZM US. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zm-us.com

zm-us.com

528 ms

bootstrap.css

bootstrap.css

724 ms

style.css

style.css

432 ms

jquery.onebyone.css

jquery.onebyone.css

291 ms

responsive-slider.css

responsive-slider.css

314 ms

prettyPhoto.css

prettyPhoto.css

471 ms

settings.css

settings.css

468 ms

font-awesome.min.css

font-awesome.min.css

587 ms

css

css

20 ms

css

css

36 ms

banner_24032016142206.jpg

banner_24032016142206.jpg

402 ms

logo.png

logo.png

645 ms

pg1.png

pg1.png

713 ms

pg2.png

pg2.png

812 ms

pg3.png

pg3.png

813 ms

pg4.png

pg4.png

906 ms

pg5.png

pg5.png

980 ms

pg6.png

pg6.png

1017 ms

pg7.png

pg7.png

866 ms

cat_rele.png

cat_rele.png

1106 ms

cat_motores_alternadores.jpg

cat_motores_alternadores.jpg

958 ms

cat_polias.jpg

cat_polias.jpg

1019 ms

cat_roda.png

cat_roda.png

1417 ms

cat_cruzeta.png

cat_cruzeta.png

1579 ms

cat_suspensao.jpg

cat_suspensao.jpg

1606 ms

jquery.min.js

jquery.min.js

8 ms

jquery-ui.min.js

jquery-ui.min.js

13 ms

jquery.onebyone.min.js

jquery.onebyone.min.js

1011 ms

bootstrap.min.js

bootstrap.min.js

1012 ms

app.js

app.js

1113 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

1155 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

1160 ms

banner_24032016142206.jpg

banner_24032016142206.jpg

867 ms

fundo.png

fundo.png

631 ms

ios-linen.jpg

ios-linen.jpg

671 ms

font

font

419 ms

font

font

441 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

669 ms

analytics.js

analytics.js

9 ms

paven.png

paven.png

252 ms

collect

collect

25 ms

js

js

58 ms

Accessibility Review

zm-us.com accessibility score

67

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

zm-us.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

SEO Factors

zm-us.com SEO score

58

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

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 Zm-us.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 Zm-us.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

zm-us.com

Open Graph description is not detected on the main page of ZM US. 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: