Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

allthatjazz.kr

ALL THAT JAZZ

Page Load Speed

4.1 sec in total

First Response

891 ms

Resources Loaded

3 sec

Page Rendered

157 ms

allthatjazz.kr screenshot

About Website

Visit allthatjazz.kr now to see the best up-to-date ALL THAT JAZZ content for South Korea and also check out these interesting facts you probably never knew about allthatjazz.kr

Visit allthatjazz.kr

Key Findings

We analyzed Allthatjazz.kr page load time and found that the first response time was 891 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

allthatjazz.kr performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

Network Requests Diagram

allthatjazz.kr

891 ms

xa.htm

211 ms

a00a.gif

649 ms

a00h01.gif

412 ms

a00h02.gif

541 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that all of those requests were addressed to Allthatjazz.kr and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Allthatjazz.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.5 kB (80%)

Content Size

4.4 kB

After Optimization

896 B

In fact, the total size of Allthatjazz.kr main page is 4.4 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. 15% of websites need less resources to load. HTML takes 4.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 3.5 kB

  • Original 4.4 kB
  • After minification 3.7 kB
  • After compression 896 B

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 705 B, which is 16% 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 3.5 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (52%)

Requests Now

33

After Optimization

16

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ALL THAT JAZZ. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

allthatjazz.kr accessibility score

50

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

allthatjazz.kr best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

allthatjazz.kr SEO score

58

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Allthatjazz.kr can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Allthatjazz.kr main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of ALL THAT JAZZ. 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: