Tools & Wizards About Us

Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

pro-light.jp

WELTOOL, レーザー, LED, LEP,Weltool, 懐中電灯, フラッシュライト, ポラリオン, サーチライト, MicroFire, SureFire,シュアファイア

Page Load Speed

4.5 sec in total

First Response

516 ms

Resources Loaded

3.7 sec

Page Rendered

306 ms

About Website

Visit pro-light.jp now to see the best up-to-date Pro Light content for Japan and also check out these interesting facts you probably never knew about pro-light.jp

懐中電灯、LuxeonライトHIDライトLEDライトなどライト専門店です。世界最高の防爆ヘッドランプFoxFuryも取り扱っています。照射テスト,照度テスト,等。

Visit pro-light.jp

Key Findings

We analyzed Pro-light.jp page load time and found that the first response time was 516 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

pro-light.jp performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

pro-light.jp

516 ms

pro-light.jp

1138 ms

Airglow_1_2560.jpg

2036 ms

obj_menu.gif

516 ms

spacer.gif

515 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 89% of them (51 requests) were addressed to the original Pro-light.jp, 11% (6 requests) were made to Pro-light.sakura.ne.jp. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Pro-light.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 41.2 kB (3%)

Content Size

1.3 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Pro-light.jp main page is 1.3 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. 15% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 39.9 kB

  • Original 46.6 kB
  • After minification 40.8 kB
  • After compression 6.7 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. This page needs HTML code to be minified as it can gain 5.8 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 39.9 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 66 B

  • Original 1.3 MB
  • After minification 1.3 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. Pro Light images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 1.2 kB

  • Original 1.6 kB
  • After minification 666 B
  • After compression 330 B

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 1.2 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (22%)

Requests Now

51

After Optimization

40

  • Images
  • JavaScript

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

Network Requests Diagram

Accessibility Review

pro-light.jp accessibility score

54

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.

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

Links do not have a discernible name

Best Practices

pro-light.jp best practices score

50

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

pro-light.jp SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pro-light.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese 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 Pro-light.jp main page’s claimed encoding is shift_jis. 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 Pro Light. 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: