Tools & Wizards About Us
zcsecurityseals.com screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

zcsecurityseals.com

Zctower-China security seals, cable seals,plastic tags,bolt seals,meter seals manufacturers,factory,wholesale

Page Load Speed

10.4 sec in total

First Response

1.1 sec

Resources Loaded

8.6 sec

Page Rendered

655 ms

zcsecurityseals.com screenshot

About Website

Visit zcsecurityseals.com now to see the best up-to-date Zc Security Seals content and also check out these interesting facts you probably never knew about zcsecurityseals.com

Zctower is a privately-held enterprise headquartered in Fuzhou, China. It is one of the leading manufacturer and suppliers of tamper evident seal, security seals,bolt seals,container seals,plastic sea...

Visit zcsecurityseals.com

Key Findings

We analyzed Zcsecurityseals.com page load time and found that the first response time was 1.1 sec and then it took 9.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

zcsecurityseals.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.465

19/100

15%

TTI (Time to Interactive)

Value6.4 s

59/100

10%

Network Requests Diagram

zcsecurityseals.com

1120 ms

zcsecurityseals.com

1297 ms

bootstrap.css

815 ms

bxslider.css

741 ms

style.css

751 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 55% of them (49 requests) were addressed to the original Zcsecurityseals.com, 44% (39 requests) were made to Zcsecurityseals-x-com.img.addlink.cn and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.3 sec) relates to the external source Zcsecurityseals-x-com.img.addlink.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 278.9 kB (5%)

Content Size

5.6 MB

After Optimization

5.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zcsecurityseals.com main page is 5.6 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 5.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 20.6 kB

  • Original 25.9 kB
  • After minification 22.4 kB
  • After compression 5.3 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 3.5 kB, which is 14% 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 20.6 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 222.4 kB

  • Original 5.4 MB
  • After minification 5.2 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. Zc Security Seals images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 21.0 kB

  • Original 72.1 kB
  • After minification 72.1 kB
  • After compression 51.1 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 21.0 kB or 29% of the original size.

CSS Optimization

-38%

Potential reduce by 14.9 kB

  • Original 39.0 kB
  • After minification 39.0 kB
  • After compression 24.2 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. Zcsecurityseals.com needs all CSS files to be minified and compressed as it can save up to 14.9 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (11%)

Requests Now

47

After Optimization

42

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zc Security Seals. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zcsecurityseals.com

zcsecurityseals.com

1120 ms

zcsecurityseals.com

zcsecurityseals.com

1297 ms

bootstrap.css

bootstrap.css

815 ms

bxslider.css

bxslider.css

741 ms

style.css

style.css

751 ms

jquery.min.js

jquery.min.js

1102 ms

bxslider.min.js

bxslider.min.js

759 ms

common.js

common.js

777 ms

bootstrap.js

bootstrap.js

1338 ms

js

js

53 ms

jquery.smoove.min.js

jquery.smoove.min.js

1051 ms

Chinese.gif

Chinese.gif

254 ms

English.gif

English.gif

224 ms

5cc1163381665.png

5cc1163381665.png

227 ms

5cdd25522625a.jpg

5cdd25522625a.jpg

222 ms

5cdd25ed98968.jpg

5cdd25ed98968.jpg

253 ms

6686069310db3.jpg

6686069310db3.jpg

257 ms

65d5b883912b6.jpg

65d5b883912b6.jpg

439 ms

661f4436986db.jpg

661f4436986db.jpg

443 ms

661f437c3ef38.jpg

661f437c3ef38.jpg

449 ms

660bd61e93d2f.jpg

660bd61e93d2f.jpg

481 ms

661e1420df48b.jpg

661e1420df48b.jpg

473 ms

661f45b11f012.jpg

661f45b11f012.jpg

477 ms

65d5ba15d2181.jpg

65d5ba15d2181.jpg

655 ms

plastic-seals.jpg

plastic-seals.jpg

661 ms

blot.jpg

blot.jpg

671 ms

meter-seals.jpg

meter-seals.jpg

689 ms

cable-seals.jpg

cable-seals.jpg

697 ms

metal-seals.jpg

metal-seals.jpg

708 ms

rfid-e-seals.jpg

rfid-e-seals.jpg

874 ms

padlock-seals.jpg

padlock-seals.jpg

881 ms

5d3ec506632ea.jpg

5d3ec506632ea.jpg

893 ms

5cc3b5d9db9cf.jpg

5cc3b5d9db9cf.jpg

905 ms

5cc3be28403f4.jpg

5cc3be28403f4.jpg

918 ms

cash-in-transit.jpg

cash-in-transit.jpg

936 ms

Consumer-Products.jpg

Consumer-Products.jpg

1090 ms

container.jpg

container.jpg

1100 ms

fire-safety-equipment.jpg

fire-safety-equipment.jpg

1115 ms

Food-Beverage.jpg

Food-Beverage.jpg

1122 ms

government.jpg

government.jpg

1137 ms

meter.jpg

meter.jpg

1163 ms

oil-gas.jpg

oil-gas.jpg

1306 ms

scroller-airline.jpg

scroller-airline.jpg

1325 ms

scroller-medical.jpg

scroller-medical.jpg

1339 ms

Tankers.jpg

Tankers.jpg

1338 ms

Trucking.jpg

Trucking.jpg

1358 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

1383 ms

5cdd25522625a.jpg

5cdd25522625a.jpg

2743 ms

English.gif

English.gif

1770 ms

5cc1163381665.png

5cc1163381665.png

2028 ms

5cdd25ed98968.jpg

5cdd25ed98968.jpg

2515 ms

Chinese.gif

Chinese.gif

1768 ms

6686069310db3.jpg

6686069310db3.jpg

3299 ms

65d5b883912b6.jpg

65d5b883912b6.jpg

3031 ms

661f4436986db.jpg

661f4436986db.jpg

3084 ms

661f437c3ef38.jpg

661f437c3ef38.jpg

2307 ms

661e1420df48b.jpg

661e1420df48b.jpg

2791 ms

661f45b11f012.jpg

661f45b11f012.jpg

3050 ms

660bd61e93d2f.jpg

660bd61e93d2f.jpg

3234 ms

65d5ba15d2181.jpg

65d5ba15d2181.jpg

3190 ms

plastic-seals.jpg

plastic-seals.jpg

3061 ms

blot.jpg

blot.jpg

3110 ms

meter-seals.jpg

meter-seals.jpg

3093 ms

cable-seals.jpg

cable-seals.jpg

3119 ms

metal-seals.jpg

metal-seals.jpg

3256 ms

rfid-e-seals.jpg

rfid-e-seals.jpg

3100 ms

padlock-seals.jpg

padlock-seals.jpg

3169 ms

5d3ec506632ea.jpg

5d3ec506632ea.jpg

3155 ms

5cc3b5d9db9cf.jpg

5cc3b5d9db9cf.jpg

3172 ms

5cc3be28403f4.jpg

5cc3be28403f4.jpg

3182 ms

cash-in-transit.jpg

cash-in-transit.jpg

3282 ms

Consumer-Products.jpg

Consumer-Products.jpg

3134 ms

container.jpg

container.jpg

3201 ms

fire-safety-equipment.jpg

fire-safety-equipment.jpg

3189 ms

Food-Beverage.jpg

Food-Beverage.jpg

3216 ms

government.jpg

government.jpg

3216 ms

meter.jpg

meter.jpg

3302 ms

oil-gas.jpg

oil-gas.jpg

3169 ms

scroller-airline.jpg

scroller-airline.jpg

3229 ms

Tankers.jpg

Tankers.jpg

3221 ms

scroller-medical.jpg

scroller-medical.jpg

3258 ms

Trucking.jpg

Trucking.jpg

3250 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

3334 ms

bx_loader.gif

bx_loader.gif

218 ms

advantage.png

advantage.png

220 ms

5b52d488c21d8.jpg

5b52d488c21d8.jpg

223 ms

bx_loader.gif

bx_loader.gif

2524 ms

advantage.png

advantage.png

2597 ms

5b52d488c21d8.jpg

5b52d488c21d8.jpg

2602 ms

Accessibility Review

zcsecurityseals.com accessibility score

97

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.

Best Practices

zcsecurityseals.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zcsecurityseals.com SEO score

82

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

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 Zcsecurityseals.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 Zcsecurityseals.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

zcsecurityseals.com

Open Graph description is not detected on the main page of Zc Security Seals. 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: