Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

vtex.co.kr

월드버텍(World Vertex)

Page Load Speed

8.8 sec in total

First Response

647 ms

Resources Loaded

6.9 sec

Page Rendered

1.3 sec

vtex.co.kr screenshot

About Website

Visit vtex.co.kr now to see the best up-to-date Vtex content and also check out these interesting facts you probably never knew about vtex.co.kr

월드버텍, worldvtex, AI, EduTech, SI, SM, 웹에이전시

Visit vtex.co.kr

Key Findings

We analyzed Vtex.co.kr page load time and found that the first response time was 647 ms and then it took 8.2 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

vtex.co.kr performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value17.8 s

0/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.072

96/100

15%

TTI (Time to Interactive)

Value13.7 s

10/100

10%

Network Requests Diagram

vtex.co.kr

647 ms

css

23 ms

bootstrap.min.css

586 ms

font-awesome.min.css

598 ms

settings.css

600 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 61% of them (50 requests) were addressed to the original Vtex.co.kr, 7% (6 requests) were made to I1.daumcdn.net and 7% (6 requests) were made to Map1.daumcdn.net. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Vtex.co.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 945.5 kB (30%)

Content Size

3.2 MB

After Optimization

2.2 MB

In fact, the total size of Vtex.co.kr main page is 3.2 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 43.4 kB

  • Original 52.8 kB
  • After minification 44.0 kB
  • After compression 9.4 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 8.8 kB, which is 17% 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 43.4 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 71.9 kB

  • Original 2.1 MB
  • After minification 2.0 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. Vtex images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 336.1 kB

  • Original 486.6 kB
  • After minification 475.9 kB
  • After compression 150.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 336.1 kB or 69% of the original size.

CSS Optimization

-88%

Potential reduce by 494.1 kB

  • Original 562.7 kB
  • After minification 470.8 kB
  • After compression 68.6 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. Vtex.co.kr needs all CSS files to be minified and compressed as it can save up to 494.1 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (31%)

Requests Now

75

After Optimization

52

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vtex. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vtex.co.kr accessibility score

83

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

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

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

vtex.co.kr best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

vtex.co.kr SEO score

81

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 Vtex.co.kr 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 Vtex.co.kr 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 Vtex. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: