2.3 sec in total
674 ms
1.3 sec
398 ms
Visit railf.jp now to see the best up-to-date Railf content for Japan and also check out these interesting facts you probably never knew about railf.jp
月刊『鉄道ファン』公式サイト
Visit railf.jpWe analyzed Railf.jp page load time and found that the first response time was 674 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
railf.jp performance score
name
value
score
weighting
Value3.7 s
29/100
10%
Value4.9 s
28/100
25%
Value13.1 s
2/100
10%
Value2,100 ms
7/100
30%
Value0.045
99/100
15%
Value24.5 s
0/100
10%
674 ms
50 ms
7 ms
48 ms
8 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Railf.jp, 42% (33 requests) were made to Cdn3img.railf.com and 10% (8 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (674 ms) belongs to the original domain Railf.jp.
Page size can be reduced by 553.3 kB (35%)
1.6 MB
1.0 MB
In fact, the total size of Railf.jp main page is 1.6 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. 60% of websites need less resources to load. Images take 850.4 kB which makes up the majority of the site volume.
Potential reduce by 155.7 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 155.7 kB or 73% of the original size.
Potential reduce by 16.6 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. Railf images are well optimized though.
Potential reduce by 251.1 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 251.1 kB or 65% of the original size.
Potential reduce by 129.9 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. Railf.jp needs all CSS files to be minified and compressed as it can save up to 129.9 kB or 85% of the original size.
Number of requests can be reduced by 19 (25%)
76
57
The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Railf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.
railf.jp
674 ms
style.css
50 ms
jquery-1.11.0.min.js
7 ms
js_common.min.js
48 ms
adsbygoogle.js
8 ms
gpt.js
105 ms
gl_header_bg.png
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gl_menu.png
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ca-pub-4055449641996020.js
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zrt_lookup.html
101 ms
show_ads_impl.js
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pubads_impl_81.js
22 ms
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ads
279 ms
container.html
65 ms
pla
85 ms
show
78 ms
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analytics.js
65 ms
ads
135 ms
osd.js
27 ms
ads
230 ms
collect
17 ms
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59 ms
ads
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adServer.bs
108 ms
ca
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expansion_embed.js
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abg.js
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iframe.html
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iframe.html
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railf.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
Image elements do not have [alt] attributes
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.
railf.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
Page has valid source maps
railf.jp SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Railf.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 Railf.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.
railf.jp
Open Graph description is not detected on the main page of Railf. 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: