Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

bibs.jp

ビブス.jp | 激安オリジナルビブスデザイン・ゼッケンの作成・通販店

Page Load Speed

13.7 sec in total

First Response

722 ms

Resources Loaded

12.7 sec

Page Rendered

295 ms

bibs.jp screenshot

About Website

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

オリジナルビブス、メッシュベスト作成・通販のビブス.jp。名入れを中心としたカスタムビブス販売店です。ジュニアから大人まで、サイズも豊富。激安高品質で、防災減災用品やマンション管理、イベント、工事、サッカー、バスケット、ドッジボール、スキーなど、幅広くお使いいただけます。

Visit bibs.jp

Key Findings

We analyzed Bibs.jp page load time and found that the first response time was 722 ms and then it took 13 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

bibs.jp performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value14.9 s

1/100

10%

TBT (Total Blocking Time)

Value1,290 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.252

49/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

bibs.jp

722 ms

import.css

325 ms

nivo-slider.css

338 ms

thickbox.css

341 ms

import.js

340 ms

Our browser made a total of 179 requests to load all elements on the main page. We found that 92% of them (164 requests) were addressed to the original Bibs.jp, 2% (4 requests) were made to V1.chamo-chat.com and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Bibs.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 436.3 kB (20%)

Content Size

2.2 MB

After Optimization

1.7 MB

In fact, the total size of Bibs.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. 50% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 39.7 kB

  • Original 48.8 kB
  • After minification 32.3 kB
  • After compression 9.1 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 16.5 kB, which is 34% 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 39.7 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 67.1 kB

  • Original 1.7 MB
  • After minification 1.6 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. Bibs images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 220.2 kB

  • Original 329.7 kB
  • After minification 259.1 kB
  • After compression 109.5 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 220.2 kB or 67% of the original size.

CSS Optimization

-86%

Potential reduce by 109.3 kB

  • Original 127.3 kB
  • After minification 96.4 kB
  • After compression 18.0 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. Bibs.jp needs all CSS files to be minified and compressed as it can save up to 109.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 64 (36%)

Requests Now

176

After Optimization

112

The browser has sent 176 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bibs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bibs.jp accessibility score

63

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

[id] attributes on active, focusable elements are not unique

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

bibs.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

bibs.jp SEO score

76

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

High

robots.txt is not valid

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 Bibs.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 Bibs.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 Bibs. 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: