Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

gemart.jp

GC online store (GCオンラインストア) -ジュエリー通販サイト-

Page Load Speed

8.2 sec in total

First Response

551 ms

Resources Loaded

6.9 sec

Page Rendered

677 ms

gemart.jp screenshot

About Website

Welcome to gemart.jp homepage info - get ready to check Gemart best content for Japan right away, or after learning these important things about gemart.jp

GC online store - ビジュード,ジェムケリー,VARTIXブランドを取り扱う公式オンラインストア。上質なダイヤモンドや希少なカラーストーンジュエリーを使い、洗練されたデザインのネックレスやリング、ピアス、ブレスレットを豊富に取り揃えております。

Visit gemart.jp

Key Findings

We analyzed Gemart.jp page load time and found that the first response time was 551 ms and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

gemart.jp performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value1,120 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.4

25/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

gemart.jp

551 ms

gemart.jp

702 ms

www.gemart.jp

1051 ms

fs_style.css

1377 ms

fs_theme.css

2078 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 15% of them (6 requests) were addressed to the original Gemart.jp, 61% (25 requests) were made to Gc55.itembox.design and 7% (3 requests) were made to Statics.a8.net. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Gc55.itembox.design.

Page Optimization Overview & Recommendations

Page size can be reduced by 109.3 kB (7%)

Content Size

1.5 MB

After Optimization

1.4 MB

In fact, the total size of Gemart.jp main page is 1.5 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. 50% of websites need less resources to load. Images take 758.5 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 40.1 kB

  • Original 46.9 kB
  • After minification 31.6 kB
  • After compression 6.9 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 15.3 kB, which is 33% 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 40.1 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 9.3 kB

  • Original 758.5 kB
  • After minification 749.2 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. Gemart images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 54.5 kB

  • Original 615.8 kB
  • After minification 615.8 kB
  • After compression 561.3 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

-9%

Potential reduce by 5.4 kB

  • Original 63.7 kB
  • After minification 63.7 kB
  • After compression 58.2 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. Gemart.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (38%)

Requests Now

37

After Optimization

23

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gemart. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

gemart.jp accessibility score

90

Accessibility Issues

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

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

gemart.jp best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

gemart.jp SEO score

82

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

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 Gemart.jp 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 Gemart.jp 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 Gemart. 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: