3.4 sec in total
578 ms
2.6 sec
293 ms
Click here to check amazing V LAB content. Otherwise, check out these important facts you probably never knew about v-lab.jp
身を守る最高の道具「甲冑」ように丈夫に、凛々しく。BUSHOは、品質とデザインにこだわり抜いて完成した純日本製ランドセルです。
Visit v-lab.jpWe analyzed V-lab.jp page load time and found that the first response time was 578 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
v-lab.jp performance score
name
value
score
weighting
Value4.9 s
11/100
10%
Value18.0 s
0/100
25%
Value8.1 s
21/100
10%
Value7,230 ms
0/100
30%
Value0.823
4/100
15%
Value19.2 s
2/100
10%
578 ms
192 ms
354 ms
361 ms
382 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that all of those requests were addressed to V-lab.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain V-lab.jp.
Page size can be reduced by 14.6 kB (7%)
209.3 kB
194.7 kB
In fact, the total size of V-lab.jp main page is 209.3 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. 15% of websites need less resources to load. Images take 191.7 kB which makes up the majority of the site volume.
Potential reduce by 7.2 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 2.8 kB, which is 28% 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 7.2 kB or 73% of the original size.
Potential reduce by 1.7 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. V LAB images are well optimized though.
Potential reduce by 5.7 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. V-lab.jp needs all CSS files to be minified and compressed as it can save up to 5.7 kB or 73% of the original size.
Number of requests can be reduced by 12 (27%)
44
32
The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of V LAB. 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 CSS and as a result speed up the page load time.
v-lab.jp
578 ms
import.css
192 ms
header_box_01.gif
354 ms
header_box_03.gif
361 ms
header_box_05.gif
382 ms
navi1_li_3_top.gif
381 ms
navi1_li_1_profile.gif
379 ms
navi1_li_1_history.gif
378 ms
navi1_li_1_access.gif
529 ms
navi1_li_1_lac.gif
541 ms
navi1_li_1_glukan.gif
565 ms
navi1_li_1_products.gif
567 ms
navi1_li_1_development.gif
571 ms
navi1_li_1_customer.gif
572 ms
title_image_top.jpg
1838 ms
tit_top.gif
720 ms
top_copy_1.gif
756 ms
top_copy_2.gif
759 ms
navi2_li_3_top.gif
764 ms
navi2_li_1_profile.gif
760 ms
navi2_li_1_history.gif
898 ms
navi2_li_1_access.gif
947 ms
navi2_li_1_lac.gif
951 ms
navi2_li_1_glucan.gif
950 ms
navi2_li_1_products.gif
955 ms
navi2_li_1_development.gif
1078 ms
navi2_li_1_customer.gif
1135 ms
navi2_tel.gif
1141 ms
ban_sikon.jpg
1322 ms
ban_oogata.jpg
1328 ms
footer.gif
1258 ms
reset.css
1141 ms
reset2.css
1151 ms
defult.css
1259 ms
body.gif
195 ms
header.gif
193 ms
navi1_li_1.gif
181 ms
content_01.gif
193 ms
content_02.gif
191 ms
title.gif
363 ms
content_03.gif
385 ms
navi2_01.gif
380 ms
navi2_02.gif
383 ms
navi2_li_1.gif
380 ms
navi2_03.gif
539 ms
v-lab.jp 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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
v-lab.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
v-lab.jp SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise V-lab.jp 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 V-lab.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.
v-lab.jp
Open Graph description is not detected on the main page of V LAB. 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: