Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

defend.co.jp

GT-R専門店 GARAGE DEFEND

Page Load Speed

5.1 sec in total

First Response

533 ms

Resources Loaded

4.3 sec

Page Rendered

226 ms

About Website

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

GT-R専門店 ガレージ ディフェンド スカイラインGT-R R32,R33,R34,R35 その他GTスポーツカーのことならお任せください

Visit defend.co.jp

Key Findings

We analyzed Defend.co.jp page load time and found that the first response time was 533 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

defend.co.jp performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value23.5 s

0/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value1,600 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value19.6 s

2/100

10%

Network Requests Diagram

defend.co.jp

533 ms

jquery-1.7.2.min.js

340 ms

rollover.js

336 ms

rollover2.js

338 ms

heightLine.js

339 ms

Our browser made a total of 117 requests to load all elements on the main page. We found that 56% of them (65 requests) were addressed to the original Defend.co.jp, 14% (16 requests) were made to Feed.mikle.com and 8% (9 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Defend.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.5 kB (1%)

Content Size

2.2 MB

After Optimization

2.1 MB

In fact, the total size of Defend.co.jp main page is 2.2 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 8.4 kB

  • Original 12.2 kB
  • After minification 11.4 kB
  • After compression 3.8 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 8.4 kB or 69% of the original size.

Image Optimization

-1%

Potential reduce by 14.3 kB

  • Original 1.8 MB
  • After minification 1.8 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. DEFEND images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 4.5 kB

  • Original 269.3 kB
  • After minification 269.3 kB
  • After compression 264.8 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

-0%

Potential reduce by 269 B

  • Original 61.0 kB
  • After minification 61.0 kB
  • After compression 60.7 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. Defend.co.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (25%)

Requests Now

103

After Optimization

77

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DEFEND. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

defend.co.jp accessibility score

59

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

defend.co.jp best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

defend.co.jp SEO score

58

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Defend.co.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 Defend.co.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 DEFEND. 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: