4.4 sec in total
559 ms
3.7 sec
183 ms
Welcome to bluestar.co.jp homepage info - get ready to check Bluestar best content right away, or after learning these important things about bluestar.co.jp
ブルースター株式会社 (本社:東京都港区 設立:1990年) は、ビジネスコンサルティング、ネットマーケティング、M&A仲介アドバイザーを事業としております。
Visit bluestar.co.jpWe analyzed Bluestar.co.jp page load time and found that the first response time was 559 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
bluestar.co.jp performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value31.0 s
0/100
25%
Value5.9 s
47/100
10%
Value120 ms
97/100
30%
Value0.196
63/100
15%
Value6.7 s
56/100
10%
559 ms
573 ms
360 ms
360 ms
366 ms
Our browser made a total of 29 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Bluestar.co.jp, 76% (22 requests) were made to Blue.co.jp and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Blue.co.jp.
Page size can be reduced by 70.2 kB (18%)
384.7 kB
314.5 kB
In fact, the total size of Bluestar.co.jp main page is 384.7 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. 20% of websites need less resources to load. Images take 272.1 kB which makes up the majority of the site volume.
Potential reduce by 10.3 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 10.3 kB or 71% of the original size.
Potential reduce by 11.6 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. Bluestar images are well optimized though.
Potential reduce by 382 B
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.
Potential reduce by 48.0 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. Bluestar.co.jp needs all CSS files to be minified and compressed as it can save up to 48.0 kB or 86% of the original size.
Number of requests can be reduced by 9 (35%)
26
17
The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bluestar. 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 JavaScripts and as a result speed up the page load time.
{{url}}
{{time}} ms
bluestar.co.jp accessibility score
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
ARIA IDs are not unique
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
bluestar.co.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
bluestar.co.jp 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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bluestar.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 Bluestar.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.
{{og_description}}
bluestar.co.jp
Open Graph description is not detected on the main page of Bluestar. 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: