Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

jabra.jp

ワイヤレスヘッドセットおよびヘッドホン | オフィスおよびコンタクトセンター用ヘッドセット | スポーツ用ヘッドホン

Page Load Speed

3.5 sec in total

First Response

921 ms

Resources Loaded

1.9 sec

Page Rendered

690 ms

jabra.jp screenshot

About Website

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

ノイズキャンセリング付きで高音質のオフィスおよびコールセンター用ヘッドセット - Bluetooth 対応ヘッドセットおよびスピーカー - ワイヤレススポーツ用ヘッドホン - 真のワイヤレスイヤーバッド

Visit jabra.jp

Key Findings

We analyzed Jabra.jp page load time and found that the first response time was 921 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

jabra.jp performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value3,880 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.233

54/100

15%

TTI (Time to Interactive)

Value26.6 s

0/100

10%

Network Requests Diagram

921 ms

bootstrapper.8f96f497c71bb9dff35c.css

25 ms

jabra.46019532f7b1d2f6ea56.css

55 ms

217E2125FF90465B9FF9ACCDCA30DA4A.css

35 ms

a9122be6b4c898ec118e0c7a1bafdaf4.svg

63 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Jabra.jp, 40% (21 requests) were made to Assets2.jabra.com and 2% (1 request) were made to Static2.jabra.com. The less responsive or slowest element that took the longest time to load (921 ms) relates to the external source Jabra.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 515.7 kB (31%)

Content Size

1.6 MB

After Optimization

1.1 MB

In fact, the total size of Jabra.jp main page is 1.6 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. 65% of websites need less resources to load. Images take 681.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 403.2 kB

  • Original 488.3 kB
  • After minification 443.7 kB
  • After compression 85.1 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. 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 403.2 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 19.5 kB

  • Original 681.5 kB
  • After minification 662.0 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. Jabra images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 64.0 kB

  • Original 377.0 kB
  • After minification 377.0 kB
  • After compression 312.9 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 64.0 kB or 17% of the original size.

CSS Optimization

-29%

Potential reduce by 28.9 kB

  • Original 98.4 kB
  • After minification 97.1 kB
  • After compression 69.5 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. Jabra.jp needs all CSS files to be minified and compressed as it can save up to 28.9 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (6%)

Requests Now

48

After Optimization

45

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jabra. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

jabra.jp accessibility score

68

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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.

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

jabra.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

High

Missing source maps for large first-party JavaScript

SEO Factors

jabra.jp SEO score

84

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

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 Jabra.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 Jabra.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 data is detected on the main page of Jabra. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: