Tools & Wizards About Us

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

plob.org

Public Library of Bioinformatics | focus on bioinformatics

Page Load Speed

5.2 sec in total

First Response

632 ms

Resources Loaded

4.4 sec

Page Rendered

202 ms

About Website

Visit plob.org now to see the best up-to-date Plob content for China and also check out these interesting facts you probably never knew about plob.org

Public Library of Bioinformatics (PLoB) is a consortium focusing on sharing knowledge about bioinformatics and genomics. 生物信息公共图书馆（PLoB）是一个专注于生物信息学、基因组学、遗传学等生命科学的博客，内容涉及相关领域的最新进展与综述、名词术语、科研资源、基础知识、实验方...

Visit plob.org

Key Findings

We analyzed Plob.org page load time and found that the first response time was 632 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

plob.org performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value7.2 s

50/100

10%

Network Requests Diagram

plob.org

632 ms

plob.org

809 ms

www.plob.org

1039 ms

autoptimize_e3f8d4779b4c19a7894139dfd095bd79.css

269 ms

dashicons.min.css

294 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 21% of them (3 requests) were addressed to the original Plob.org, 50% (7 requests) were made to Static.plob.org and 14% (2 requests) were made to Matomo.scicdn.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Matomo.scicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 84.3 kB (19%)

Content Size

442.7 kB

After Optimization

358.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Plob.org main page is 442.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. CSS take 151.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 37.7 kB

  • Original 48.9 kB
  • After minification 48.6 kB
  • After compression 11.2 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 37.7 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 2.0 kB

  • Original 95.2 kB
  • After minification 93.2 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. Plob images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 17.2 kB

  • Original 147.4 kB
  • After minification 147.4 kB
  • After compression 130.2 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 17.2 kB or 12% of the original size.

CSS Optimization

-18%

Potential reduce by 27.4 kB

  • Original 151.2 kB
  • After minification 151.2 kB
  • After compression 123.8 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. Plob.org needs all CSS files to be minified and compressed as it can save up to 27.4 kB or 18% 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 Plob. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

plob.org accessibility score

70

Accessibility Issues

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

High

Buttons do not have an accessible name

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

plob.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

plob.org SEO score

88

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Plob.org can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Plob.org 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.

Social Sharing Optimization

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