Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 69

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

tenda.co.jp

株式会社テンダ

Page Load Speed

6.9 sec in total

First Response

575 ms

Resources Loaded

6 sec

Page Rendered

349 ms

tenda.co.jp screenshot

About Website

Click here to check amazing Tenda content for Japan. Otherwise, check out these important facts you probably never knew about tenda.co.jp

テンダは、クラウドサービスをはじめ、スマートフォン(Android,iPhone)のソーシャルゲーム・ソーシャルアプリ開発、Webシステム・モバイルサイト開発を行っています。企画・要件定義、設計、開発、テスト、保守運用と一貫した体制でサポートします。

Visit tenda.co.jp

Key Findings

We analyzed Tenda.co.jp page load time and found that the first response time was 575 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

tenda.co.jp performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value21.8 s

0/100

25%

SI (Speed Index)

Value15.9 s

1/100

10%

TBT (Total Blocking Time)

Value460 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.327

35/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

tenda.co.jp

575 ms

www.tenda.co.jp

772 ms

jquery-1.8.2.min.js

790 ms

reset.css

349 ms

common2.css

521 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 85% of them (56 requests) were addressed to the original Tenda.co.jp, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to Sashare.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Tenda.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 240.9 kB (13%)

Content Size

1.9 MB

After Optimization

1.7 MB

In fact, the total size of Tenda.co.jp main page is 1.9 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. 25% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 15.9 kB

  • Original 22.0 kB
  • After minification 19.7 kB
  • After compression 6.1 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 15.9 kB or 72% of the original size.

Image Optimization

-5%

Potential reduce by 80.6 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. Tenda images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 118.0 kB

  • Original 179.4 kB
  • After minification 150.0 kB
  • After compression 61.5 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 118.0 kB or 66% of the original size.

CSS Optimization

-85%

Potential reduce by 26.4 kB

  • Original 31.1 kB
  • After minification 18.2 kB
  • After compression 4.7 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. Tenda.co.jp needs all CSS files to be minified and compressed as it can save up to 26.4 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (45%)

Requests Now

62

After Optimization

34

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tenda. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tenda.co.jp accessibility score

55

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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 IDs are not unique

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

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

tenda.co.jp best practices score

69

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

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

tenda.co.jp SEO score

79

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 Tenda.co.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 Tenda.co.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 Tenda. 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: