Tools & Wizards About Us

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

oemcoa.en.ec21.com

Shenzhen OEM COA Technology Ltd - coa label, coa sticker, serial key, key card, office coa

Page Load Speed

6.4 sec in total

First Response

524 ms

Resources Loaded

5.6 sec

Page Rendered

323 ms

About Website

Click here to check amazing OEM COA En Ec 21 content for South Korea. Otherwise, check out these important facts you probably never knew about oemcoa.en.ec21.com

Shenzhen OEM COA Technology Ltd - China supplier of coa label, coa sticker, serial key, key card, office coa, win 7 coa

Visit oemcoa.en.ec21.com

Key Findings

We analyzed Oemcoa.en.ec21.com page load time and found that the first response time was 524 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

oemcoa.en.ec21.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value460 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.147

77/100

15%

TTI (Time to Interactive)

Value13.3 s

12/100

10%

Network Requests Diagram

oemcoa.en.ec21.com

524 ms

oemcoa.en.ec21.com

1127 ms

common.css

966 ms

layout.css

809 ms

html5.js

831 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 4% of them (3 requests) were addressed to the original Oemcoa.en.ec21.com, 55% (42 requests) were made to Image.ec21.com and 6% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Image.ec21.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 136.1 kB (15%)

Content Size

889.5 kB

After Optimization

753.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Oemcoa.en.ec21.com main page is 889.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Javascripts take 531.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 81.3 kB

  • Original 101.1 kB
  • After minification 91.5 kB
  • After compression 19.8 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 81.3 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 1.3 kB

  • Original 231.5 kB
  • After minification 230.1 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. OEM COA En Ec 21 images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 50.8 kB

  • Original 531.3 kB
  • After minification 531.3 kB
  • After compression 480.5 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

-10%

Potential reduce by 2.7 kB

  • Original 25.6 kB
  • After minification 25.6 kB
  • After compression 22.9 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. Oemcoa.en.ec21.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (39%)

Requests Now

71

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OEM COA En Ec 21. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

oemcoa.en.ec21.com accessibility score

85

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.

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

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

oemcoa.en.ec21.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

Page has valid source maps

SEO Factors

oemcoa.en.ec21.com SEO score

91

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oemcoa.en.ec21.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Oemcoa.en.ec21.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 data is detected on the main page of OEM COA En Ec 21. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: