Tools & Wizards About Us

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

perfectrun.jp

PerfectRun Japan parts | JDM parts | Japanese aftermarket high performance car parts

Page Load Speed

14.3 sec in total

First Response

1.9 sec

Resources Loaded

12.1 sec

Page Rendered

224 ms

About Website

Click here to check amazing Perfect Run content for Australia. Otherwise, check out these important facts you probably never knew about perfectrun.jp

Supplier of JDM aftermarket performance car parts from Apexi, Blitz, Cusco, HKS, Nismo, Tomei etc directly from Japan at wholesale prices.

Visit perfectrun.jp

Key Findings

We analyzed Perfectrun.jp page load time and found that the first response time was 1.9 sec and then it took 12.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

perfectrun.jp performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.6 s

1/100

10%

LCP (Largest Contentful Paint)

Value45.9 s

0/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value14.4 s

9/100

10%

Network Requests Diagram

perfectrun.jp

1923 ms

perfectrun.jp

897 ms

ini.js

219 ms

maintemp.css

439 ms

index.css

649 ms

Our browser made a total of 178 requests to load all elements on the main page. We found that 98% of them (174 requests) were addressed to the original Perfectrun.jp, 1% (2 requests) were made to Code.jquery.com and 1% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Perfectrun.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 130.3 kB (76%)

Content Size

171.4 kB

After Optimization

41.1 kB

  • HTML
  • JavaScript

In fact, the total size of Perfectrun.jp main page is 171.4 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. 55% of websites need less resources to load. HTML takes 154.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 130.2 kB

  • Original 154.2 kB
  • After minification 150.1 kB
  • After compression 24.0 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 130.2 kB or 84% of the original size.

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.

Requests Breakdown

Number of requests can be reduced by 53 (30%)

Requests Now

176

After Optimization

123

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 176 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Perfect Run. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

perfectrun.jp accessibility score

64

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

perfectrun.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

SEO Factors

perfectrun.jp SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Perfectrun.jp can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Perfectrun.jp main page’s claimed encoding is iso-8859-1. 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 Perfect Run. 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: