5.5 sec in total
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4.3 sec
382 ms
Welcome to factron.jp homepage info - get ready to check FACTRON best content right away, or after learning these important things about factron.jp
Visit factron.jpWe analyzed Factron.jp page load time and found that the first response time was 812 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster. This domain responded with an error, which can significantly jeopardize Factron.jp rating and web reputation
factron.jp performance score
name
value
score
weighting
Value3.3 s
42/100
10%
Value4.7 s
33/100
25%
Value6.5 s
39/100
10%
Value130 ms
96/100
30%
Value0
100/100
15%
Value5.0 s
77/100
10%
812 ms
183 ms
358 ms
355 ms
364 ms
Our browser made a total of 118 requests to load all elements on the main page. We found that 52% of them (61 requests) were addressed to the original Factron.jp, 23% (27 requests) were made to Static.xx.fbcdn.net and 17% (20 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Factron.jp.
Page size can be reduced by 577.6 kB (53%)
1.1 MB
521.8 kB
In fact, the total size of Factron.jp main page is 1.1 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. 65% of websites need less resources to load. Javascripts take 534.4 kB which makes up the majority of the site volume.
Potential reduce by 59.0 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 17.7 kB, which is 26% 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 59.0 kB or 86% of the original size.
Potential reduce by 28.4 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. FACTRON images are well optimized though.
Potential reduce by 418.9 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 418.9 kB or 78% of the original size.
Potential reduce by 71.3 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. Factron.jp needs all CSS files to be minified and compressed as it can save up to 71.3 kB or 87% of the original size.
Number of requests can be reduced by 61 (53%)
116
55
The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of FACTRON. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
www.factron.jp
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factron.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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
factron.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
Page has valid source maps
factron.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 doesn't use legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Factron.jp can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Factron.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.
factron.jp
Open Graph description is not detected on the main page of FACTRON. 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: