Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

petersburg.jp

petersburg.jp | .jp ドメインオークション | お名前.com

Page Load Speed

8.8 sec in total

First Response

1.5 sec

Resources Loaded

6.6 sec

Page Rendered

625 ms

petersburg.jp screenshot

About Website

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

「.jpドメインオークション」は、中古.jpドメインの取得権利をオークション形式でご購入いただくサービスです。出品されているすべてのドメインに対して、どなたでも入札することができます。(参加費無料)

Visit petersburg.jp

Key Findings

We analyzed Petersburg.jp page load time and found that the first response time was 1.5 sec and then it took 7.3 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

petersburg.jp performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value21.7 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.138

79/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

petersburg.jp

1510 ms

style.css

970 ms

styles.css

490 ms

jquery.js

2631 ms

jquery-migrate.min.js

732 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 50% of them (35 requests) were addressed to the original Petersburg.jp, 9% (6 requests) were made to Youtube-nocookie.com and 4% (3 requests) were made to Spdmg.i-mobile.co.jp. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Petersburg.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 524.8 kB (47%)

Content Size

1.1 MB

After Optimization

591.1 kB

In fact, the total size of Petersburg.jp main page is 1.1 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. 35% of websites need less resources to load. Javascripts take 459.5 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 12.2 kB

  • Original 17.7 kB
  • After minification 16.3 kB
  • After compression 5.5 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 12.2 kB or 69% of the original size.

Image Optimization

-4%

Potential reduce by 13.2 kB

  • Original 365.2 kB
  • After minification 351.9 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. Petersburg images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 272.8 kB

  • Original 459.5 kB
  • After minification 459.4 kB
  • After compression 186.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 272.8 kB or 59% of the original size.

CSS Optimization

-83%

Potential reduce by 226.5 kB

  • Original 273.6 kB
  • After minification 265.3 kB
  • After compression 47.0 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. Petersburg.jp needs all CSS files to be minified and compressed as it can save up to 226.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (34%)

Requests Now

67

After Optimization

44

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Petersburg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

petersburg.jp accessibility score

80

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

Best Practices

petersburg.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

Browser errors were logged to the console

SEO Factors

petersburg.jp SEO score

64

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 Petersburg.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 Petersburg.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 Petersburg. 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: