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zex.com screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

zex.com

Power Adders - FAST®

Page Load Speed

4.6 sec in total

First Response

49 ms

Resources Loaded

3.4 sec

Page Rendered

1.1 sec

zex.com screenshot

About Website

Click here to check amazing Zex content for United States. Otherwise, check out these important facts you probably never knew about zex.com

They say there is no replacement for displacement but there actually is. It's “Power Adders”!

Visit zex.com

Key Findings

We analyzed Zex.com page load time and found that the first response time was 49 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

zex.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value23.1 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value1,760 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.217

57/100

15%

TTI (Time to Interactive)

Value26.6 s

0/100

10%

Network Requests Diagram

zex.com

49 ms

power-adders.html

532 ms

calendar.css

31 ms

styles-m.css

62 ms

owl.carousel.css

50 ms

Our browser made a total of 287 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Zex.com, 72% (207 requests) were made to Fuelairspark.com and 11% (33 requests) were made to Staticw2.yotpo.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Fuelairspark.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 555.3 kB (14%)

Content Size

4.1 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zex.com main page is 4.1 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. Only a small number of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 306.5 kB

  • Original 335.6 kB
  • After minification 241.3 kB
  • After compression 29.1 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. This page needs HTML code to be minified as it can gain 94.4 kB, which is 28% 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 306.5 kB or 91% of the original size.

Image Optimization

-5%

Potential reduce by 148.0 kB

  • Original 2.9 MB
  • After minification 2.8 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. Zex images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 90.1 kB

  • Original 482.5 kB
  • After minification 478.8 kB
  • After compression 392.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 90.1 kB or 19% of the original size.

CSS Optimization

-3%

Potential reduce by 10.8 kB

  • Original 309.8 kB
  • After minification 309.7 kB
  • After compression 299.0 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. Zex.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 165 (66%)

Requests Now

251

After Optimization

86

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 251 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zex. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 118 to 1 for JavaScripts and from 49 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zex.com

zex.com

49 ms

power-adders.html

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bottomline

1032 ms

jquery.waypoints.js

jquery.waypoints.js

126 ms

modal-popup.html

modal-popup.html

726 ms

modal-slide.html

modal-slide.html

276 ms

modal-custom.html

modal-custom.html

583 ms

key-codes.js

key-codes.js

147 ms

core.js

core.js

152 ms

z-index.js

z-index.js

176 ms

class.js

class.js

217 ms

async.js

async.js

251 ms

tooltip.html

tooltip.html

479 ms

spectrum.js

spectrum.js

263 ms

tinycolor.js

tinycolor.js

269 ms

moment.js

moment.js

300 ms

loader.js

loader.js

360 ms

entry.js

entry.js

359 ms

main.js

main.js

353 ms

data.js

data.js

336 ms

disable-selection.js

disable-selection.js

335 ms

focusable.js

focusable.js

336 ms

form.js

form.js

336 ms

ie.js

ie.js

336 ms

keycode.js

keycode.js

356 ms

labels.js

labels.js

336 ms

jquery-patch.js

jquery-patch.js

336 ms

plugin.js

plugin.js

400 ms

safe-active-element.js

safe-active-element.js

380 ms

safe-blur.js

safe-blur.js

400 ms

scroll-parent.js

scroll-parent.js

399 ms

tabbable.js

tabbable.js

400 ms

unique-id.js

unique-id.js

400 ms

dom-observer.js

dom-observer.js

225 ms

bindings.js

bindings.js

224 ms

print.css

print.css

115 ms

device.js

device.js

171 ms

Accessibility Review

zex.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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

zex.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

zex.com 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 Zex.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 Zex.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

zex.com

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