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Report Summary

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    Performance

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    Accessibility

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    Best Practices

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    SEO

deepbase.sysu.edu.cn

deepBase: A database for deeply annotating and mining the deep sequencing data

Page Load Speed

9.7 sec in total

First Response

2.8 sec

Resources Loaded

6.8 sec

Page Rendered

167 ms

deepbase.sysu.edu.cn screenshot

About Website

Welcome to deepbase.sysu.edu.cn homepage info - get ready to check DeepBase Sysu best content for China right away, or after learning these important things about deepbase.sysu.edu.cn

Visit deepbase.sysu.edu.cn

Key Findings

We analyzed Deepbase.sysu.edu.cn page load time and found that the first response time was 2.8 sec and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

deepbase.sysu.edu.cn performance score

0

Network Requests Diagram

deepbase.sysu.edu.cn

2819 ms

deepBase.css

572 ms

jquery-latest.js

2330 ms

left_margin.gif

574 ms

deepRNABase.png

1149 ms

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 Deepbase.sysu.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Deepbase.sysu.edu.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 150.2 kB (55%)

Content Size

275.6 kB

After Optimization

125.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Deepbase.sysu.edu.cn main page is 275.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 134.1 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 7.9 kB

  • Original 11.0 kB
  • After minification 10.8 kB
  • After compression 3.1 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 7.9 kB or 72% of the original size.

Image Optimization

-26%

Potential reduce by 35.0 kB

  • Original 134.1 kB
  • After minification 99.1 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. Obviously, DeepBase Sysu needs image optimization as it can save up to 35.0 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-82%

Potential reduce by 99.4 kB

  • Original 120.8 kB
  • After minification 74.3 kB
  • After compression 21.4 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 99.4 kB or 82% of the original size.

CSS Optimization

-82%

Potential reduce by 8.0 kB

  • Original 9.7 kB
  • After minification 7.7 kB
  • After compression 1.8 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. Deepbase.sysu.edu.cn needs all CSS files to be minified and compressed as it can save up to 8.0 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DeepBase Sysu. According to our analytics all requests are already optimized.

Network Requests Diagram

deepbase.sysu.edu.cn

deepbase.sysu.edu.cn

2819 ms

deepBase.css

deepBase.css

572 ms

jquery-latest.js

jquery-latest.js

2330 ms

left_margin.gif

left_margin.gif

574 ms

deepRNABase.png

deepRNABase.png

1149 ms

tdTitle.gif

tdTitle.gif

573 ms

news.gif

news.gif

575 ms

deepBase_pipeline.png

deepBase_pipeline.png

2007 ms

tdTail.gif

tdTail.gif

575 ms

right_margin.jpg

right_margin.jpg

1143 ms

SEO Factors

deepbase.sysu.edu.cn SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Deepbase.sysu.edu.cn 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 Deepbase.sysu.edu.cn main page’s claimed encoding is iso-8859-1. 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.

Social Sharing Optimization

deepbase.sysu.edu.cn

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