Tools & Wizards About Us

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

labtestsonline.org.uk

Patient Education on Blood, Urine, and Other Lab Tests | Lab Tests Online-UK

Page Load Speed

1.5 sec in total

First Response

322 ms

Resources Loaded

951 ms

Page Rendered

226 ms

About Website

Click here to check amazing Lab Tests Online content for United Kingdom. Otherwise, check out these important facts you probably never knew about labtestsonline.org.uk

Lab Tests Online-UK is written by practising laboratory doctors and scientists to help you understand the many clinical laboratory tests that are used in diagnosis, monitoring and treatment of disease...

Visit labtestsonline.org.uk

Key Findings

We analyzed Labtestsonline.org.uk page load time and found that the first response time was 322 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

labtestsonline.org.uk performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.738

6/100

15%

TTI (Time to Interactive)

Value10.5 s

24/100

10%

Network Requests Diagram

labtestsonline.org.uk

322 ms

jquery.min.js

72 ms

jquery.cookie.js

53 ms

my_layout_3_col_960.css

52 ms

jquery.bookmark.css

50 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 86% of them (67 requests) were addressed to the original Labtestsonline.org.uk, 5% (4 requests) were made to A.collective-media.net and 3% (2 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (322 ms) belongs to the original domain Labtestsonline.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 662.0 kB (59%)

Content Size

1.1 MB

After Optimization

468.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Labtestsonline.org.uk main page is 1.1 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. 40% of websites need less resources to load. Javascripts take 654.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 116.4 kB

  • Original 146.6 kB
  • After minification 116.8 kB
  • After compression 30.1 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. This page needs HTML code to be minified as it can gain 29.8 kB, which is 20% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 116.4 kB or 79% of the original size.

Image Optimization

-20%

Potential reduce by 52.7 kB

  • Original 269.3 kB
  • After minification 216.5 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. Obviously, Lab Tests Online needs image optimization as it can save up to 52.7 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 442.6 kB

  • Original 654.5 kB
  • After minification 579.5 kB
  • After compression 211.9 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 442.6 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 50.2 kB

  • Original 60.3 kB
  • After minification 36.6 kB
  • After compression 10.0 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. Labtestsonline.org.uk needs all CSS files to be minified and compressed as it can save up to 50.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 55 (72%)

Requests Now

76

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lab Tests Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

labtestsonline.org.uk accessibility score

71

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

High

[role] values are not valid

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

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

labtestsonline.org.uk best practices score

92

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

SEO Factors

labtestsonline.org.uk SEO score

85

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Labtestsonline.org.uk 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 Labtestsonline.org.uk 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 Lab Tests Online. 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: