Tools & Wizards About Us
jzcards.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

jzcards.com

PVC Laminated Blank Card

Page Load Speed

6 sec in total

First Response

361 ms

Resources Loaded

5 sec

Page Rendered

645 ms

jzcards.com screenshot

About Website

Welcome to jzcards.com homepage info - get ready to check Jz Card S best content right away, or after learning these important things about jzcards.com

Discover the endless possibilities of PVC laminated blank cards. Customizable for your unique needs!

Visit jzcards.com

Key Findings

We analyzed Jzcards.com page load time and found that the first response time was 361 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

jzcards.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.671

8/100

15%

TTI (Time to Interactive)

Value7.5 s

47/100

10%

Network Requests Diagram

jzcards.com

361 ms

jzcards.com

292 ms

www.jzcards.com

522 ms

main.css

278 ms

jquery-3.5.1.min.js

285 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that all of those requests were addressed to Jzcards.com and no external sources were called. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Jzcards.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 800.6 kB (48%)

Content Size

1.7 MB

After Optimization

851.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jzcards.com main page is 1.7 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. 30% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 74.5 kB

  • Original 84.8 kB
  • After minification 56.7 kB
  • After compression 10.3 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 28.1 kB, which is 33% 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 74.5 kB or 88% of the original size.

Image Optimization

-48%

Potential reduce by 719.4 kB

  • Original 1.5 MB
  • After minification 765.7 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, Jz Card S needs image optimization as it can save up to 719.4 kB or 48% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-7%

Potential reduce by 4.1 kB

  • Original 61.3 kB
  • After minification 61.3 kB
  • After compression 57.2 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

-13%

Potential reduce by 2.7 kB

  • Original 20.6 kB
  • After minification 20.6 kB
  • After compression 17.9 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. Jzcards.com needs all CSS files to be minified and compressed as it can save up to 2.7 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (13%)

Requests Now

80

After Optimization

70

  • Images
  • JavaScript
  • CSS

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jz Card S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jzcards.com

jzcards.com

361 ms

jzcards.com

jzcards.com

292 ms

www.jzcards.com

www.jzcards.com

522 ms

main.css

main.css

278 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

285 ms

slick.min.js

slick.min.js

215 ms

lunboba.js

lunboba.js

213 ms

qiehuan2.js

qiehuan2.js

214 ms

lunhuan2.js

lunhuan2.js

218 ms

number.js

number.js

418 ms

tab.js

tab.js

465 ms

index.js

index.js

466 ms

bottom.js

bottom.js

464 ms

lang.js

lang.js

486 ms

form1.js

form1.js

538 ms

logo.png

logo.png

660 ms

english.svg

english.svg

372 ms

xlbei.jpg

xlbei.jpg

444 ms

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377 ms

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868 ms

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943 ms

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1011 ms

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1074 ms

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1145 ms

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1367 ms

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1431 ms

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2196 ms

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1625 ms

opensans.woff

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1597 ms

iconfont.woff

iconfont.woff

1416 ms

Montserrat-Regular.woff

Montserrat-Regular.woff

1492 ms

OPENSANS-SEMIBOLD.woff

OPENSANS-SEMIBOLD.woff

1591 ms

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1751 ms

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1989 ms

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2004 ms

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1668 ms

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1724 ms

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1720 ms

index.php

index.php

1700 ms

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1709 ms

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1739 ms

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1698 ms

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1628 ms

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1775 ms

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1822 ms

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1642 ms

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1752 ms

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1408 ms

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1550 ms

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1500 ms

Accessibility Review

jzcards.com accessibility score

73

Accessibility Issues

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-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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>).

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

jzcards.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

SEO Factors

jzcards.com SEO score

85

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

Links do not have descriptive text

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

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 Jzcards.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 Jzcards.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

jzcards.com

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