Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

colors-lab.com

福岡県久留米市オリジナルTシャツプリントショップ【カラーズラボ】

Page Load Speed

6.3 sec in total

First Response

976 ms

Resources Loaded

5 sec

Page Rendered

312 ms

About Website

Click here to check amazing Colors Lab content. Otherwise, check out these important facts you probably never knew about colors-lab.com

1枚からオリジナルウェア作れる『オリジナルTシャツプリントショップ カラーズラボ』の ホームぺージです。Tシャツプリントやチームのユニフォームなどオリジナルウェアのことなら当店にお任せ下さい!お見積り無料ですのでお気軽にご来店ください。

Visit colors-lab.com

Key Findings

We analyzed Colors-lab.com page load time and found that the first response time was 976 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

colors-lab.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value8.4 s

19/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.251

49/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

www.colors-lab.com

976 ms

style.css

171 ms

rov.js

334 ms

analytics.js

19 ms

styles.css

398 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 76% of them (71 requests) were addressed to the original Colors-lab.com, 6% (6 requests) were made to Apis.google.com and 4% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Colors-lab.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 969.5 kB (23%)

Content Size

4.2 MB

After Optimization

3.3 MB

In fact, the total size of Colors-lab.com main page is 4.2 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. 65% of websites need less resources to load. Images take 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 22.8 kB

  • Original 30.9 kB
  • After minification 28.9 kB
  • After compression 8.1 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 22.8 kB or 74% of the original size.

Image Optimization

-24%

Potential reduce by 943.5 kB

  • Original 4.0 MB
  • After minification 3.0 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. Obviously, Colors Lab needs image optimization as it can save up to 943.5 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 1.7 kB

  • Original 244.0 kB
  • After minification 244.0 kB
  • After compression 242.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-25%

Potential reduce by 1.5 kB

  • Original 6.1 kB
  • After minification 6.1 kB
  • After compression 4.6 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. Colors-lab.com needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (25%)

Requests Now

91

After Optimization

68

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Colors Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

colors-lab.com accessibility score

80

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

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

colors-lab.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

colors-lab.com SEO score

96

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Colors-lab.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Colors-lab.com 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 Colors Lab. 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: