10.2 sec in total
521 ms
9.1 sec
535 ms
Welcome to pbcf.jp homepage info - get ready to check PBCF best content right away, or after learning these important things about pbcf.jp
PBCF(Propeller Boss Cap Fins)は、5%の省エネ効果・メンテナンスが容易で永久に効果を発揮する船舶の省エネ装置。省燃費とCO2削減を可能にする地球環境に優しい技術です。
Visit pbcf.jpWe analyzed Pbcf.jp page load time and found that the first response time was 521 ms and then it took 9.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
pbcf.jp performance score
name
value
score
weighting
Value4.3 s
18/100
10%
Value15.2 s
0/100
25%
Value16.5 s
0/100
10%
Value1,680 ms
11/100
30%
Value0.39
26/100
15%
Value22.1 s
1/100
10%
521 ms
1286 ms
35 ms
182 ms
360 ms
Our browser made a total of 68 requests to load all elements on the main page. We found that 81% of them (55 requests) were addressed to the original Pbcf.jp, 4% (3 requests) were made to Fonts.googleapis.com and 4% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (6.6 sec) belongs to the original domain Pbcf.jp.
Page size can be reduced by 460.7 kB (7%)
7.0 MB
6.5 MB
In fact, the total size of Pbcf.jp main page is 7.0 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. 40% of websites need less resources to load. Images take 6.8 MB which makes up the majority of the site volume.
Potential reduce by 25.5 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 7.0 kB, which is 23% 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 25.5 kB or 82% of the original size.
Potential reduce by 389.6 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. PBCF images are well optimized though.
Potential reduce by 42.6 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 42.6 kB or 50% of the original size.
Potential reduce by 3.0 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. Pbcf.jp needs all CSS files to be minified and compressed as it can save up to 3.0 kB or 15% of the original size.
Number of requests can be reduced by 17 (28%)
61
44
The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PBCF. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
pbcf.jp
521 ms
pbcf.jp
1286 ms
analytics.js
35 ms
common.css
182 ms
en.css
360 ms
css
52 ms
css
62 ms
css
71 ms
drawer.min.css
515 ms
fakeLoader.min.css
639 ms
qswow.css
517 ms
jquery-1.12.4.js
49 ms
font-awesome.min.css
50 ms
uniq.css
523 ms
anime.min.js
50 ms
common-dist.js
807 ms
jquery.bxslider.css
537 ms
jquery.bxslider.js
705 ms
jquery.matchHeight-min.js
706 ms
jquery-numerator.js
706 ms
collect
16 ms
js
74 ms
header_logo.svg
203 ms
icon_arrow.svg
201 ms
img_strength_01.jpg
1212 ms
img_strength_02.jpg
1902 ms
img_strength_03.jpg
1080 ms
img_strength_04.jpg
1227 ms
img_reseach_01.jpg
1890 ms
img_reseach_02.jpg
1082 ms
img_reseach_03.jpg
2124 ms
img_reseach_04.jpg
1607 ms
header_logo.svg
1383 ms
mail_icon.svg
1404 ms
country_icon.svg
1557 ms
mv01@2x.jpg
2796 ms
mv02@2x.jpg
2068 ms
mv03@2x.jpg
6638 ms
img03@2x.jpg
2566 ms
img01@2x.jpg
2247 ms
img04@2x.jpg
2244 ms
img02@2x.jpg
2822 ms
icon01.png
2449 ms
icon02.png
2421 ms
icon03.png
2596 ms
icon04.png
2621 ms
16589138045622c1d9ed0cdcd3-M.png
3248 ms
1606200880b919b0907fafa40c-M.jpg
2772 ms
1596161320d2de5cf12a733cff-M.png
3642 ms
1595922295966284cb24481b4c-M.jpg
2951 ms
15922031936925a70b9735db59-M.jpg
2974 ms
1587607047b2bdcd81ed305358-M.png
4244 ms
15840594406a12f5765daf2b6e-M.jpg
3129 ms
15794295243ac5e15fbf44d632-M.jpg
3110 ms
1580254300f55b4ec4ba4b22fe-M.png
3939 ms
1579430737200588237cdf0c96-M.png
4500 ms
0QI6MX1D_JOuGQbT0gvTJPa787weuxJBkqg.ttf
19 ms
-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEj35zS1g.ttf
31 ms
KFOmCnqEu92Fr1Mu4mxP.ttf
31 ms
fontawesome-webfont.woff
14 ms
1580194946ad34b4ee2178a32b-M.gif
3380 ms
btn_arrow.svg
3403 ms
btn_arrow_small.svg
3572 ms
footer_logo.png
3619 ms
icon_mail.svg
2869 ms
pbcf_logo.svg
2915 ms
header_logo_white.svg
2910 ms
bx_loader.gif
2937 ms
pbcf.jp accessibility score
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
pbcf.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
pbcf.jp SEO score
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
![]()
EN
![]()
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pbcf.jp can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Japanese language. Our system also found out that Pbcf.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.
pbcf.jp
Open Graph description is not detected on the main page of PBCF. 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: