13.4 sec in total
Welcome to fledermaus.jp homepage info - get ready to check Fledermaus best content for Japan right away, or after learning these important things about fledermaus.jp
We analyzed Fledermaus.jp page load time and found that the first response time was 573 ms and then it took 12.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
fledermaus.jp performance score
Our browser made a total of 86 requests to load all elements on the main page. We found that 85% of them (73 requests) were addressed to the original Fledermaus.jp, 3% (3 requests) were made to I.yimg.jp and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5 sec) belongs to the original domain Fledermaus.jp.
Page size can be reduced by 344.6 kB (16%)
In fact, the total size of Fledermaus.jp main page is 2.1 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. 40% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 55.5 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. 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 55.5 kB or 79% of the original size.
Potential reduce by 40.4 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. Fledermaus images are well optimized though.
Potential reduce by 116.3 kB
Potential reduce by 132.5 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. Fledermaus.jp needs all CSS files to be minified and compressed as it can save up to 132.5 kB or 91% of the original size.
Number of requests can be reduced by 17 (20%)
fledermaus.jp accessibility score
These are opportunities to improve the legibility of your content.
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.
Form elements do not have associated labels
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.
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
fledermaus.jp best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Serves images with low resolution
Browser errors were logged to the console
fledermaus.jp SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
robots.txt is not valid
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Fledermaus.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 Fledermaus.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.
Open Graph description is not detected on the main page of Fledermaus. 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: