Tools & Wizards About Us

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

uctrade-shop.com

ユーシートレード UCTrade│北陸・金沢市の天体望遠鏡専門店｜中古品を高価買取｜

Page Load Speed

6.1 sec in total

First Response

1.2 sec

Resources Loaded

4.5 sec

Page Rendered

389 ms

About Website

Click here to check amazing UCTrade Shop content for Japan. Otherwise, check out these important facts you probably never knew about uctrade-shop.com

中古天体望遠鏡、中古フィールドスコープ、中古デジスコ機材、中古双眼鏡、中古カメラ、中古デジカメ（中古デジタルカメラ）、中古交換レンズの買取・下取り、中古品および新品の販売、USED光学ショップ・ユーシートレード(UCTrade）

Visit uctrade-shop.com

Key Findings

We analyzed Uctrade-shop.com page load time and found that the first response time was 1.2 sec and then it took 4.9 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

uctrade-shop.com performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

uctrade-shop.com

1186 ms

uctrade01.css

550 ms

ga.js

55 ms

button01.gif

547 ms

btn_search_blue.gif

549 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 85% of them (29 requests) were addressed to the original Uctrade-shop.com, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Image.auctions.yahoo.co.jp. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Uctrade-shop.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.9 kB (7%)

Content Size

657.1 kB

After Optimization

610.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Uctrade-shop.com main page is 657.1 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. Only 10% of websites need less resources to load. Images take 609.6 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 18.5 kB

  • Original 24.9 kB
  • After minification 20.2 kB
  • After compression 6.4 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. This page needs HTML code to be minified as it can gain 4.7 kB, which is 19% 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 18.5 kB or 74% of the original size.

Image Optimization

-4%

Potential reduce by 24.1 kB

  • Original 609.6 kB
  • After minification 585.5 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. UCTrade Shop images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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

-80%

Potential reduce by 4.3 kB

  • Original 5.4 kB
  • After minification 3.4 kB
  • After compression 1.1 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. Uctrade-shop.com needs all CSS files to be minified and compressed as it can save up to 4.3 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (27%)

Requests Now

33

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UCTrade Shop. 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

uctrade-shop.com accessibility score

61

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

uctrade-shop.com best practices score

75

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

Serves images with low resolution

SEO Factors

uctrade-shop.com 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

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Uctrade-shop.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 Uctrade-shop.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 UCTrade Shop. 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: