Tools & Wizards About Us
stevekellylab.com screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

stevekellylab.com

Steve Kelly Lab, Department of Plant Sciences, University of Oxford

Page Load Speed

7.4 sec in total

First Response

941 ms

Resources Loaded

6.3 sec

Page Rendered

125 ms

stevekellylab.com screenshot

About Website

Click here to check amazing Steve Kelly Lab content. Otherwise, check out these important facts you probably never knew about stevekellylab.com

Our group employs a variety of approaches to understand how photosynthesis works, how it is controlled and how it evolved.

Visit stevekellylab.com

Key Findings

We analyzed Stevekellylab.com page load time and found that the first response time was 941 ms and then it took 6.4 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

stevekellylab.com performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.8 s

90/100

10%

Network Requests Diagram

www.stevekellylab.com

941 ms

wp-emoji-release.min.js

116 ms

style.min.css

212 ms

style.css

197 ms

ip_style.css

194 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that all of those requests were addressed to Stevekellylab.com and no external sources were called. The less responsive or slowest element that took the longest time to load (941 ms) belongs to the original domain Stevekellylab.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.5 kB (6%)

Content Size

341.2 kB

After Optimization

319.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stevekellylab.com main page is 341.2 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. 20% of websites need less resources to load. Images take 259.0 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 11.9 kB

  • Original 16.5 kB
  • After minification 15.4 kB
  • After compression 4.6 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 11.9 kB or 72% of the original size.

Image Optimization

-2%

Potential reduce by 6.2 kB

  • Original 259.0 kB
  • After minification 252.9 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. Steve Kelly Lab images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 849 B

  • Original 48.3 kB
  • After minification 48.3 kB
  • After compression 47.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-15%

Potential reduce by 2.6 kB

  • Original 17.4 kB
  • After minification 16.9 kB
  • After compression 14.8 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. Stevekellylab.com needs all CSS files to be minified and compressed as it can save up to 2.6 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (82%)

Requests Now

17

After Optimization

3

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Steve Kelly Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.stevekellylab.com

www.stevekellylab.com

941 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

116 ms

style.min.css

style.min.css

212 ms

style.css

style.css

197 ms

ip_style.css

ip_style.css

194 ms

style.css

style.css

185 ms

jquery.js

jquery.js

345 ms

jquery-migrate.min.js

jquery-migrate.min.js

219 ms

custom.js

custom.js

282 ms

encoder-form.js

encoder-form.js

286 ms

ip_script.js

ip_script.js

288 ms

dlm-xhr.min.js

dlm-xhr.min.js

313 ms

navigation.js

navigation.js

320 ms

skip-link-focus-fix.js

skip-link-focus-fix.js

385 ms

wp-embed.min.js

wp-embed.min.js

392 ms

reset.css

reset.css

211 ms

expound.css

expound.css

240 ms

Banner_01-1.jpg

Banner_01-1.jpg

546 ms

Accessibility Review

stevekellylab.com accessibility score

95

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.

Best Practices

stevekellylab.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

stevekellylab.com SEO score

100

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 uses 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 Stevekellylab.com 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 Stevekellylab.com 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

stevekellylab.com

Open Graph data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: