s12.coreserver.jp: DOMAIN ERROR
Page load speed analysis
Total page load time
In fact, the total size of S12.coreserver.jp main page is 831 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 831 B which makes up the majority of the site volume.
Original 831 B
After minification 821 B
After compression 535 B
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 296 B or 36% of the original size.
Network requests diagram
Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to S12.coreserver.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (541 ms) belongs to the original domain S12.coreserver.jp.
Additional info on s12.coreserver.jp
S12.coreserver.jp uses IP address which is currently shared with 4 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.
|60||Txt: v=spf1 a:s12.coreserver.jp a:spf1_mxr.valueserver.jp a:spf2_mxr.valueserver.jp a:spf3_mxr.valueserver.jp ~all
Language and encoding
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise S12.coreserver.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 S12.coreserver.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
S12.coreserver.jp has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.
Visitor World Map
Country of origin for 86.5% of all visits is Japan. It’s good for S12.coreserver.jp that their server is also located in Japan, as that enables the majority of their visitors to benefit from a much faster page load time.
Social Sharing Optimization
Open Graph description is not detected on the main page of S 12 Coreserver. 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:
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