Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

ibiology.org

iBiology | 500+ biology short films, talks & animations

Page Load Speed

2.5 sec in total

First Response

173 ms

Resources Loaded

1.9 sec

Page Rendered

425 ms

ibiology.org screenshot

About Website

Click here to check amazing IBiology content for China. Otherwise, check out these important facts you probably never knew about ibiology.org

Learn from world class scientists with 500+ biology short films, talks, professional development courses & animations

Visit ibiology.org

Key Findings

We analyzed Ibiology.org page load time and found that the first response time was 173 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

ibiology.org performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.665

8/100

15%

TTI (Time to Interactive)

Value4.2 s

85/100

10%

Network Requests Diagram

ibiology.org

173 ms

www.ibiology.org

323 ms

wp-emoji-release.min.js

66 ms

dashicons.min.css

817 ms

editor.min.css

824 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 9% of them (7 requests) were addressed to the original Ibiology.org, 75% (61 requests) were made to Glgu828mo2d3qp4qw36edotvvp.wpengine.netdna-cdn.com and 4% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (905 ms) relates to the external source Glgu828mo2d3qp4qw36edotvvp.wpengine.netdna-cdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 754.6 kB (44%)

Content Size

1.7 MB

After Optimization

942.8 kB

In fact, the total size of Ibiology.org main page is 1.7 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. 65% of websites need less resources to load. Javascripts take 662.0 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 93.1 kB

  • Original 120.1 kB
  • After minification 117.6 kB
  • After compression 27.0 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 93.1 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 22.0 kB

  • Original 645.5 kB
  • After minification 623.5 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. IBiology images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 436.6 kB

  • Original 662.0 kB
  • After minification 644.3 kB
  • After compression 225.4 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 436.6 kB or 66% of the original size.

CSS Optimization

-75%

Potential reduce by 203.0 kB

  • Original 269.9 kB
  • After minification 250.7 kB
  • After compression 66.9 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. Ibiology.org needs all CSS files to be minified and compressed as it can save up to 203.0 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (60%)

Requests Now

75

After Optimization

30

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IBiology. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ibiology.org accessibility score

92

Accessibility Issues

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

ibiology.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

ibiology.org SEO score

93

Search Engine Optimization Advices

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ibiology.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Ibiology.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 data is detected on the main page of IBiology. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: