Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

sensors.or.kr

한국센서학회

Page Load Speed

4.1 sec in total

First Response

756 ms

Resources Loaded

3.3 sec

Page Rendered

105 ms

sensors.or.kr screenshot

About Website

Click here to check amazing Sensors content. Otherwise, check out these important facts you probably never knew about sensors.or.kr

한국센서학회

Visit sensors.or.kr

Key Findings

We analyzed Sensors.or.kr page load time and found that the first response time was 756 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

sensors.or.kr performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value19.4 s

0/100

25%

SI (Speed Index)

Value19.3 s

0/100

10%

TBT (Total Blocking Time)

Value440 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value20.4 s

2/100

10%

Network Requests Diagram

sensors.or.kr

756 ms

www.sensors.or.kr

741 ms

society.css

891 ms

AC_RunActiveContent.js

458 ms

logo_l.gif

895 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that all of those requests were addressed to Sensors.or.kr and no external sources were called. The less responsive or slowest element that took the longest time to load (895 ms) belongs to the original domain Sensors.or.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.4 kB (83%)

Content Size

10.1 kB

After Optimization

1.7 kB

In fact, the total size of Sensors.or.kr main page is 10.1 kB. This result falls within a big category (top 100 000) of medium weight web pages. Only a small number of websites need less resources to load. CSS take 9.2 kB which makes up the majority of the site volume.

HTML Optimization

-45%

Potential reduce by 392 B

  • Original 870 B
  • After minification 861 B
  • After compression 478 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. 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 392 B or 45% of the original size.

CSS Optimization

-87%

Potential reduce by 8.0 kB

  • Original 9.2 kB
  • After minification 8.4 kB
  • After compression 1.2 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. Sensors.or.kr needs all CSS files to be minified and compressed as it can save up to 8.0 kB or 87% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sensors. According to our analytics all requests are already optimized.

Accessibility Review

sensors.or.kr accessibility score

59

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

sensors.or.kr best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sensors.or.kr SEO score

77

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

    KO

  • Language Claimed

    N/A

  • Encoding

    EUC-KR

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sensors.or.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 Sensors.or.kr main page’s claimed encoding is euc-kr. 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 Sensors. 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: