Tools & Wizards About Us
rainbowelec.co.kr screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

rainbowelec.co.kr

Manufacturing temperature controls | Adjustable Capillary thermostat, Fan controller, Parts for HVAC etc | RAINBOW

Page Load Speed

3.7 sec in total

First Response

840 ms

Resources Loaded

2.8 sec

Page Rendered

64 ms

rainbowelec.co.kr screenshot

About Website

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

RAINBOW has been designing and manufacturing innovative products for industrial measuring instruments and commercial kitchen appliances for over fourty years. From the first boiler regulator developed...

Visit rainbowelec.co.kr

Key Findings

We analyzed Rainbowelec.co.kr page load time and found that the first response time was 840 ms and then it took 2.8 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

rainbowelec.co.kr performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

rainbowelec.co.kr

840 ms

reset.css

692 ms

style.css

1439 ms

logo.png

437 ms

flag_kor.png

446 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 70% of them (7 requests) were addressed to the original Rainbowelec.co.kr, 30% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Rainbowelec.co.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 111.2 kB (69%)

Content Size

160.7 kB

After Optimization

49.5 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Rainbowelec.co.kr main page is 160.7 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. 60% of websites need less resources to load. CSS take 129.5 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 1.6 kB

  • Original 2.6 kB
  • After minification 2.4 kB
  • After compression 975 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 1.6 kB or 63% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 28.6 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.

CSS Optimization

-85%

Potential reduce by 109.6 kB

  • Original 129.5 kB
  • After minification 114.6 kB
  • After compression 19.9 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. Rainbowelec.co.kr needs all CSS files to be minified and compressed as it can save up to 109.6 kB or 85% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images
  • CSS

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RAINBOW Elec. According to our analytics all requests are already optimized.

Network Requests Diagram

rainbowelec.co.kr

rainbowelec.co.kr

840 ms

reset.css

reset.css

692 ms

style.css

style.css

1439 ms

logo.png

logo.png

437 ms

flag_kor.png

flag_kor.png

446 ms

flag_usa.png

flag_usa.png

459 ms

flag_chi.png

flag_chi.png

463 ms

NotoSansKR-Regular.woff

NotoSansKR-Regular.woff

18 ms

NotoSansKR-Medium.woff

NotoSansKR-Medium.woff

41 ms

NotoSansKR-Light.woff

NotoSansKR-Light.woff

116 ms

Accessibility Review

rainbowelec.co.kr accessibility score

100

Accessibility Issues

Best Practices

rainbowelec.co.kr best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

rainbowelec.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

    EN

  • Language Claimed

    KO

  • Encoding

    UTF-8

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

rainbowelec.co.kr

Open Graph description is not detected on the main page of RAINBOW Elec. 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: