Tools & Wizards About Us

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

koreanhistory.info

KoreanHistory.info A history of Korea from prehistoric to modern times, korean history quiz, korean history mp3s and more

Page Load Speed

840 ms in total

First Response

117 ms

Resources Loaded

499 ms

Page Rendered

224 ms

About Website

Visit koreanhistory.info now to see the best up-to-date Korean History content for United States and also check out these interesting facts you probably never knew about koreanhistory.info

The story of Korean history from ancient times to the modern day. Time Line of Japanese history, mpe lectures and quiz

Visit koreanhistory.info

Key Findings

We analyzed Koreanhistory.info page load time and found that the first response time was 117 ms and then it took 723 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

koreanhistory.info performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0.406

24/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

koreanhistory.info

117 ms

adsbygoogle.js

387 ms

adsbygoogle.js

217 ms

adsbygoogle.js

277 ms

btn_donate_SM.gif

27 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 87% of them (45 requests) were addressed to the original Koreanhistory.info, 6% (3 requests) were made to Pagead2.googlesyndication.com and 4% (2 requests) were made to Paypalobjects.com. The less responsive or slowest element that took the longest time to load (387 ms) relates to the external source Pagead2.googlesyndication.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 181.5 kB (22%)

Content Size

827.3 kB

After Optimization

645.8 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Koreanhistory.info main page is 827.3 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. 40% of websites need less resources to load. Images take 462.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 37.8 kB

  • Original 45.0 kB
  • After minification 43.9 kB
  • After compression 7.1 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 37.8 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 17.6 kB

  • Original 462.1 kB
  • After minification 444.5 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. Korean History images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 126.1 kB

  • Original 320.3 kB
  • After minification 320.3 kB
  • After compression 194.3 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 126.1 kB or 39% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (6%)

Requests Now

51

After Optimization

48

  • AJAX
  • Images
  • JavaScript

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Korean History. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

koreanhistory.info accessibility score

78

Accessibility Issues

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

koreanhistory.info 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

koreanhistory.info SEO score

80

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

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

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 Koreanhistory.info 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 Koreanhistory.info 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 Korean History. 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: