Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

jostrust.org.uk

Jo's Cervical Cancer Trust | Cervical Cancer Charity

Page Load Speed

337 ms in total

First Response

108 ms

Resources Loaded

229 ms

Page Rendered

0 ms

jostrust.org.uk screenshot

About Website

Visit jostrust.org.uk now to see the best up-to-date Jo S Trust content for Qatar and also check out these interesting facts you probably never knew about jostrust.org.uk

Jo’s Cervical Cancer Trust is the UK’s leading cervical cancer charity. We campaign for change, provide support and trustworthy information at every step.

Visit jostrust.org.uk

Key Findings

We analyzed Jostrust.org.uk page load time and found that the first response time was 108 ms and then it took 229 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

jostrust.org.uk performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value2,180 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.173

69/100

15%

TTI (Time to Interactive)

Value15.4 s

7/100

10%

Network Requests Diagram

jostrust.org.uk

108 ms

jostrust.org.uk

56 ms

v1

62 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Jostrust.org.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (108 ms) belongs to the original domain Jostrust.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (53%)

Content Size

2.6 MB

After Optimization

1.2 MB

In fact, the total size of Jostrust.org.uk main page is 2.6 MB. This result falls within a big category (top 100 000) of medium weight web pages. Only a small number of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-57%

Potential reduce by 8.8 kB

  • Original 15.4 kB
  • After minification 15.4 kB
  • After compression 6.7 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 8.8 kB or 57% of the original size.

Image Optimization

-4%

Potential reduce by 27.2 kB

  • Original 700.4 kB
  • After minification 673.3 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. Jo S Trust images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 905.8 kB

  • Original 1.4 MB
  • After minification 1.3 MB
  • After compression 465.2 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 905.8 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 450.3 kB

  • Original 542.4 kB
  • After minification 529.9 kB
  • After compression 92.1 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. Jostrust.org.uk needs all CSS files to be minified and compressed as it can save up to 450.3 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jo S Trust. According to our analytics all requests are already optimized.

Accessibility Review

jostrust.org.uk accessibility score

86

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

Image elements do not have [alt] attributes

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

jostrust.org.uk best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

jostrust.org.uk SEO score

79

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

High

Image elements do not have [alt] attributes

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

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 Jostrust.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 Jostrust.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 Jo S Trust. 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: