Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

winttk.com

パソコン教室 アルファ 戸塚校 Word・Excel習得 MOS対策など

Page Load Speed

3.3 sec in total

First Response

1 sec

Resources Loaded

2.1 sec

Page Rendered

144 ms

winttk.com screenshot

About Website

Visit winttk.com now to see the best up-to-date Winttk content for Japan and also check out these interesting facts you probably never knew about winttk.com

戸塚駅西口にある社会人・学生向けのパソコンスクールです。夜間+土日コースが月額2980円でご利用できます。MOS試験対策もあり。自宅からネット受講もできるので、お忙しい方も時間を有効活用できます。神奈川県横浜市。

Visit winttk.com

Key Findings

We analyzed Winttk.com page load time and found that the first response time was 1 sec and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

winttk.com performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

winttk.com

1043 ms

ren1.css

625 ms

allogo.gif

590 ms

mutaib.gif

513 ms

door.jpg

836 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 71% of them (15 requests) were addressed to the original Winttk.com, 10% (2 requests) were made to Google-analytics.com and 10% (2 requests) were made to Analyze.pro.research-artisan.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Winttk.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 15.4 kB (19%)

Content Size

80.1 kB

After Optimization

64.7 kB

In fact, the total size of Winttk.com main page is 80.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Images take 46.2 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 7.5 kB

  • Original 12.5 kB
  • After minification 12.2 kB
  • After compression 5.0 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 7.5 kB or 60% of the original size.

Image Optimization

-1%

Potential reduce by 394 B

  • Original 46.2 kB
  • After minification 45.8 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. Winttk images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 1.0 kB

  • Original 12.8 kB
  • After minification 12.8 kB
  • After compression 11.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-75%

Potential reduce by 6.5 kB

  • Original 8.6 kB
  • After minification 6.4 kB
  • After compression 2.1 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. Winttk.com needs all CSS files to be minified and compressed as it can save up to 6.5 kB or 75% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

20

After Optimization

20

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Winttk. According to our analytics all requests are already optimized.

Accessibility Review

winttk.com accessibility score

74

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.

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

winttk.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

winttk.com SEO score

69

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

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Winttk.com 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 Winttk.com main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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