Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

researcher.co.kr

research

Page Load Speed

16.9 sec in total

First Response

4.5 sec

Resources Loaded

11.6 sec

Page Rendered

898 ms

researcher.co.kr screenshot

About Website

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

IT, E-business, SNS, E-Commerce, Professional

Visit researcher.co.kr

Key Findings

We analyzed Researcher.co.kr page load time and found that the first response time was 4.5 sec and then it took 12.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

researcher.co.kr performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value180 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.3 s

60/100

10%

Network Requests Diagram

researcher.co.kr

4481 ms

style.css

722 ms

style.css

479 ms

profile.js

728 ms

jigu-latest.min.js

986 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 5% of them (4 requests) were addressed to the original Researcher.co.kr, 69% (51 requests) were made to S1.daumcdn.net and 5% (4 requests) were made to I1.daumcdn.net. The less responsive or slowest element that took the longest time to load (6.2 sec) relates to the external source Cfile26.uf.tistory.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 402.3 kB (15%)

Content Size

2.6 MB

After Optimization

2.2 MB

In fact, the total size of Researcher.co.kr main page is 2.6 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. 25% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 55.9 kB

  • Original 73.3 kB
  • After minification 67.8 kB
  • After compression 17.4 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. 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 55.9 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 47.9 kB

  • Original 2.1 MB
  • After minification 2.1 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. Research Er images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 237.2 kB

  • Original 338.5 kB
  • After minification 318.0 kB
  • After compression 101.3 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 237.2 kB or 70% of the original size.

CSS Optimization

-83%

Potential reduce by 61.4 kB

  • Original 73.8 kB
  • After minification 66.2 kB
  • After compression 12.4 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. Researcher.co.kr needs all CSS files to be minified and compressed as it can save up to 61.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (74%)

Requests Now

73

After Optimization

19

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Research Er. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

researcher.co.kr accessibility score

65

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

<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

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

researcher.co.kr 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

researcher.co.kr SEO score

71

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

Language and Encoding

  • Language Detected

    KO

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Researcher.co.kr can be misinterpreted by Google and other search engines. Our service has detected that Korean 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 Researcher.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 Research Er. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: