Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

alphab.co.kr

복사제본 기술

Page Load Speed

2.1 sec in total

First Response

770 ms

Resources Loaded

1.2 sec

Page Rendered

102 ms

alphab.co.kr screenshot

About Website

Click here to check amazing Alphab content. Otherwise, check out these important facts you probably never knew about alphab.co.kr

복사제본 기술-복사제본 기술

Visit alphab.co.kr

Key Findings

We analyzed Alphab.co.kr page load time and found that the first response time was 770 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

alphab.co.kr performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value1,470 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.183

66/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

alphab.co.kr

770 ms

mobile.min.css

226 ms

mpage.css

449 ms

style.css

448 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Alphab.co.kr and no external sources were called. The less responsive or slowest element that took the longest time to load (770 ms) belongs to the original domain Alphab.co.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.0 kB (88%)

Content Size

20.4 kB

After Optimization

2.4 kB

In fact, the total size of Alphab.co.kr main page is 20.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 18.8 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 17.2 kB

  • Original 18.8 kB
  • After minification 18.8 kB
  • After compression 1.7 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 17.2 kB or 91% of the original size.

CSS Optimization

-53%

Potential reduce by 861 B

  • Original 1.6 kB
  • After minification 1.5 kB
  • After compression 750 B

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. Alphab.co.kr needs all CSS files to be minified and compressed as it can save up to 861 B or 53% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alphab. According to our analytics all requests are already optimized.

Accessibility Review

alphab.co.kr accessibility score

92

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

alphab.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

alphab.co.kr SEO score

100

Search Engine Optimization Advices

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

    KO

  • Language Claimed

    KO

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alphab.co.kr can be misinterpreted by Google and other search engines. Our service has detected that Korean is used on the page, and it matches the claimed language. Our system also found out that Alphab.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 description is not detected on the main page of Alphab. 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: