Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

jackcards.com

Plastic Card, Custom Gift Cards, Plastic Card Printing, Plastic Card Manufacturers | CardPrinting.com

Page Load Speed

4.5 sec in total

First Response

290 ms

Resources Loaded

3.8 sec

Page Rendered

398 ms

jackcards.com screenshot

About Website

Click here to check amazing Jack Cards content. Otherwise, check out these important facts you probably never knew about jackcards.com

CardPrinting.com prints the finest quality plastic cards: custom gift cards, membership cards, loyalty cards and plastic key tags. We custom print RFID cards and RFID tags. We are experts in the techn...

Visit jackcards.com

Key Findings

We analyzed Jackcards.com page load time and found that the first response time was 290 ms and then it took 4.2 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

jackcards.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value21.5 s

0/100

25%

SI (Speed Index)

Value19.1 s

0/100

10%

TBT (Total Blocking Time)

Value18,240 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value29.5 s

0/100

10%

Network Requests Diagram

www.cardprinting.com

290 ms

gtm.js

87 ms

main.css

360 ms

font-face.css

447 ms

all.css

356 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Jackcards.com, 2% (3 requests) were made to S7.addthis.com and 2% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Cardprinting.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 629.3 kB (34%)

Content Size

1.8 MB

After Optimization

1.2 MB

In fact, the total size of Jackcards.com main page is 1.8 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 923.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 144.9 kB

  • Original 179.2 kB
  • After minification 158.5 kB
  • After compression 34.3 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 20.7 kB, which is 12% 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 144.9 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 11.1 kB

  • Original 923.1 kB
  • After minification 912.0 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. Jack Cards images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 454.3 kB

  • Original 628.6 kB
  • After minification 442.4 kB
  • After compression 174.4 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 454.3 kB or 72% of the original size.

CSS Optimization

-20%

Potential reduce by 19.0 kB

  • Original 97.1 kB
  • After minification 97.1 kB
  • After compression 78.1 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. Jackcards.com needs all CSS files to be minified and compressed as it can save up to 19.0 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (43%)

Requests Now

105

After Optimization

60

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jack Cards. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

jackcards.com accessibility score

76

Accessibility Issues

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

Buttons do not have an accessible name

High

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

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.

Best Practices

jackcards.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

jackcards.com SEO score

93

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

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 Jackcards.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 Jackcards.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

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