Tools & Wizards About Us
nbros.com screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

nbros.com

株式会社エヌブロス│各種遊技機販売・設置・メンテンナンス

Page Load Speed

3.9 sec in total

First Response

536 ms

Resources Loaded

3.2 sec

Page Rendered

164 ms

nbros.com screenshot

About Website

Click here to check amazing Nbros content. Otherwise, check out these important facts you probably never knew about nbros.com

パチンコ・スロットの最新機種情報や中古機情報など各種遊技機の販売・設置・管理の事なら株式会社エヌブロスにご相談だください！

Visit nbros.com

Key Findings

We analyzed Nbros.com page load time and found that the first response time was 536 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

nbros.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

1/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

nbros.com

536 ms

import.css

173 ms

slide.css

333 ms

jquery.min.js

8 ms

slider.js

332 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 91% of them (50 requests) were addressed to the original Nbros.com, 5% (3 requests) were made to Google-analytics.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Nbros.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 69.3 kB (4%)

Content Size

1.7 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nbros.com main page is 1.7 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. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 6.1 kB

  • Original 8.8 kB
  • After minification 8.2 kB
  • After compression 2.7 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 6.1 kB or 69% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.5 MB
  • After minification 1.5 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. Nbros images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 61.7 kB

  • Original 118.5 kB
  • After minification 118.5 kB
  • After compression 56.9 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 61.7 kB or 52% of the original size.

CSS Optimization

-32%

Potential reduce by 1.5 kB

  • Original 4.8 kB
  • After minification 4.7 kB
  • After compression 3.3 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. Nbros.com needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (24%)

Requests Now

54

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nbros. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nbros.com

nbros.com

536 ms

import.css

import.css

173 ms

slide.css

slide.css

333 ms

jquery.min.js

jquery.min.js

8 ms

slider.js

slider.js

332 ms

rollover.js

rollover.js

343 ms

smoothscroll.js

smoothscroll.js

342 ms

common.css

common.css

180 ms

layout.css

layout.css

328 ms

text.css

text.css

326 ms

yoso.css

yoso.css

341 ms

dairi.css

dairi.css

342 ms

currency.css

currency.css

343 ms

analytics.js

analytics.js

53 ms

bg_header.gif

bg_header.gif

510 ms

logo_head.gif

logo_head.gif

195 ms

bu_head_navi_01.gif

bu_head_navi_01.gif

191 ms

bu_head_navi_02.gif

bu_head_navi_02.gif

191 ms

bu_head_navi_03.gif

bu_head_navi_03.gif

193 ms

bu_gnavi_01.gif

bu_gnavi_01.gif

192 ms

bu_gnavi_02.gif

bu_gnavi_02.gif

335 ms

bu_gnavi_03.gif

bu_gnavi_03.gif

334 ms

bu_gnavi_04.gif

bu_gnavi_04.gif

344 ms

bu_gnavi_05.gif

bu_gnavi_05.gif

345 ms

slide_08.jpg

slide_08.jpg

1054 ms

slide_05.jpg

slide_05.jpg

1320 ms

slide_07.jpg

slide_07.jpg

1319 ms

slide_04.jpg

slide_04.jpg

1362 ms

slide_02.jpg

slide_02.jpg

1190 ms

slide_06.jpg

slide_06.jpg

1019 ms

point.jpg

point.jpg

1192 ms

banner_work_01_off.gif

banner_work_01_off.gif

1231 ms

banner_work_02_off.gif

banner_work_02_off.gif

1362 ms

banner_work_03_off.gif

banner_work_03_off.gif

1363 ms

banner_work_04_off.gif

banner_work_04_off.gif

1408 ms

banner_app_off.gif

banner_app_off.gif

1650 ms

daihyo-message.gif

daihyo-message.gif

1485 ms

bg_info.gif

bg_info.gif

1535 ms

bg_h3.gif

bg_h3.gif

1535 ms

banner_siryo_off.gif

banner_siryo_off.gif

1538 ms

banner_inq_off.gif

banner_inq_off.gif

1585 ms

banner_y.gif

banner_y.gif

1655 ms

bg_footer.gif

bg_footer.gif

1707 ms

logo_footer.gif

logo_footer.gif

1706 ms

icon_foot_list.gif

icon_foot_list.gif

1708 ms

linkid.js

linkid.js

10 ms

collect

collect

29 ms

js

js

61 ms

banner_work_01_over.gif

banner_work_01_over.gif

176 ms

banner_work_02_over.gif

banner_work_02_over.gif

180 ms

banner_work_03_over.gif

banner_work_03_over.gif

169 ms

banner_work_04_over.gif

banner_work_04_over.gif

168 ms

banner_app_over.gif

banner_app_over.gif

175 ms

banner_siryo_over.gif

banner_siryo_over.gif

173 ms

banner_inq_over.gif

banner_inq_over.gif

336 ms

Accessibility Review

nbros.com accessibility score

94

Accessibility Issues

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

nbros.com 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

nbros.com SEO score

67

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

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 Nbros.com 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 Nbros.com 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

nbros.com

Open Graph description is not detected on the main page of Nbros. 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: