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kegg.jp: KEGG: Kyoto Encyclopedia of Genes and Genomes

KEGG (Kyoto Encyclopedia of Genes and Genomes) is a bioinformatics resource for linking genomes to life and the environment

Page load speed analysis

  • 56/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    983 ms

  • Resources loaded

    4.1 sec

  • Page rendered

    99 ms

  • Total page load time

    5.2 sec

Welcome to kegg.jp homepage info - get ready to check KEGG best content for Japan right away, or after learning these important things about kegg.jp

We analyzed Kegg.jp page load time and found that the first response time was 983 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Page optimization

  • HTML 11.4 kB
    Images 0 B
    Javascripts 271.5 kB
    CSS 3.8 kB

    In fact, the total size of Kegg.jp main page is 286.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 271.5 kB which makes up the majority of the site volume.

    • Original 11.4 kB
    • After minification 10.7 kB
    • After compression 3.5 kB

    HTML optimization

    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 7.9 kB or 69% of the original size.

    • Original 271.5 kB
    • After minification 148.1 kB
    • After compression 42.6 kB

    JavaScript optimization

    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 229.0 kB or 84% of the original size.

    • Original 3.8 kB
    • After minification 3.4 kB
    • After compression 894 B

    CSS optimization

    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. Kegg.jp needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 77% of the original size.

Network requests diagram

  • kegg.jp
  • www.kegg.jp
  • kegg_top.css
  • jquery-1.8.3.js
  • launcher.js
  • kegg128.gif
  • hiyoko0.gif
  • kegg_bg2.gif
  • egg.gif
  • bgetm.css

Our browser made a total of 10 requests to load all elements on the main page. We found that all of those requests were addressed to Kegg.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Kegg.jp.

Additional info on kegg.jp

Requests

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KEGG. According to our analytics all requests are already optimized.

2

Javascripts

4

Images

2

CSS

8

All

Possible request optimization

2

Javascripts

4

Images

2

CSS

0

Optimized

8

All

Good result

Redirects

As for redirects, our browser was forwarded to http://www.kegg.jp/ before it reached this domain.

IP address

This IP address is dedicated to Kegg.jp. This is the best domain hosting practice .

Normal result

IP Trace

kegg.jp

133.103.200.21

DNS records

Type Host Target/ip TTL Other
A

kegg.jp

133.103.200.223 300
NS

kegg.jp

icrsunb.scl.genome.ad.jp 300
NS

kegg.jp

nic.kyoto-center.genome.ad.jp 300
SOA

kegg.jp

300 Mname: pfdsun.kuicr.kyoto-u.ac.jp
Rname: ns-admin.kegg.jp
Serial: 2016120401
Refresh: 3600
Retry: 300
Expire: 3600000
Minimum-ttl: 86400
MX

kegg.jp

nic.kyoto-center.genome.ad.jp 300 Pri: 0

Language and encoding

Normal result

Language

EN en language flag

Detected

N/A  language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kegg.jp can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Kegg.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.

HTTPS certificate

SSL Certificate

Kegg.jp has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 88.4% of all visits is Japan. It’s good for Kegg.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.

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of KEGG. 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:

kegg.jp

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