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tukeru.com screenshot

42

Performance

Renders faster than
61% 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
62

SEO

Google-friendlier than
22% of websites

First Response

855 ms

Resources Loaded

4.4 sec

Page Rendered

753 ms

tukeru.com screenshot

About Website

Click here to check amazing Tukeru content for Japan. Otherwise, check out these important facts you probably never knew about tukeru.com

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Key Findings

We analyzed Tukeru.com page load time and found that the first response time was 855 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value25.4 s

0/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.242

51/100

15%

TTI (Time to Interactive)

Value21.7 s

1/100

10%

tukeru.com

855 ms

style.css

336 ms

prototype.js

1205 ms

scriptaculous.js

363 ms

lightbox.js

535 ms

Our browser made a total of 193 requests to load all elements on the main page. We found that 59% of them (113 requests) were addressed to the original Tukeru.com, 10% (19 requests) were made to Um.simpli.fi and 6% (11 requests) were made to Tags.bluekai.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Thumbnail.image.rakuten.co.jp.

Content Size

1.8 MB

After Optimization

1.5 MB

In fact, the total size of Tukeru.com main page is 1.8 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. 45% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 64.4 kB

Original 76.2 kB
After minification 66.6 kB
After compression 11.8 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 9.6 kB, which is 13% 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 64.4 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 26.1 kB

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. Tukeru images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 192.2 kB

Original 256.9 kB
After minification 201.7 kB
After compression 64.7 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 192.2 kB or 75% of the original size.

CSS Optimization

-77%

Potential reduce by 2.0 kB

Original 2.6 kB
After minification 1.7 kB
After compression 593 B

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. Tukeru.com needs all CSS files to be minified and compressed as it can save up to 2.0 kB or 77% of the original size.

Requests Now

162

After Optimization

103

The browser has sent 162 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tukeru. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

N/A
Language Claimed

JA
Encoding

EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tukeru.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Japanese. Our system also found out that Tukeru.com main page’s claimed encoding is euc-jp. 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

tukeru.com

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