33.5 sec in total
614 ms
32 sec
805 ms
Visit clefgroup.com now to see the best up-to-date CLEF Group content for Japan and also check out these interesting facts you probably never knew about clefgroup.com
株式会社クレフ(CLEF.)は大阪市中央区森ノ宮のホームページ制作会社です。企画・制作・運営までトータルサポートいたします。映像や印刷物、イラストの制作も行なっております。
Visit clefgroup.comWe analyzed Clefgroup.com page load time and found that the first response time was 614 ms and then it took 32.9 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
clefgroup.com performance score
name
value
score
weighting
Value5.4 s
7/100
10%
Value20.7 s
0/100
25%
Value14.8 s
1/100
10%
Value550 ms
54/100
30%
Value0.531
14/100
15%
Value7.2 s
51/100
10%
614 ms
1613 ms
840 ms
65 ms
55 ms
Our browser made a total of 246 requests to load all elements on the main page. We found that 47% of them (115 requests) were addressed to the original Clefgroup.com, 38% (93 requests) were made to Csr.bz and 6% (14 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (19 sec) belongs to the original domain Clefgroup.com.
Page size can be reduced by 830.6 kB (10%)
7.9 MB
7.1 MB
In fact, the total size of Clefgroup.com main page is 7.9 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. 70% of websites need less resources to load. Images take 7.7 MB which makes up the majority of the site volume.
Potential reduce by 67.5 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 10.6 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 67.5 kB or 85% of the original size.
Potential reduce by 693.2 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. CLEF Group images are well optimized though.
Potential reduce by 50.1 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 50.1 kB or 63% of the original size.
Potential reduce by 19.9 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. Clefgroup.com needs all CSS files to be minified and compressed as it can save up to 19.9 kB or 84% of the original size.
Number of requests can be reduced by 20 (8%)
241
221
The browser has sent 241 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CLEF Group. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.
clefgroup.com
614 ms
www.clefgroup.com
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style.css
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jquery-latest.js
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common.js
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clefgroup.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
Links do not have a discernible name
clefgroup.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Issues were logged in the Issues panel in Chrome Devtools
clefgroup.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Clefgroup.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 Clefgroup.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.
clefgroup.com
Open Graph description is not detected on the main page of CLEF Group. 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: