Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

spolem.co.uk

Spolem - biology learning resources

Page Load Speed

1.6 sec in total

First Response

537 ms

Resources Loaded

931 ms

Page Rendered

98 ms

spolem.co.uk screenshot

About Website

Welcome to spolem.co.uk homepage info - get ready to check Spolem best content for United Kingdom right away, or after learning these important things about spolem.co.uk

Science resources and links for pupils and teachers, sorted into relevant teaching stages.

Visit spolem.co.uk

Key Findings

We analyzed Spolem.co.uk page load time and found that the first response time was 537 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

spolem.co.uk performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value5.6 s

52/100

10%

TBT (Total Blocking Time)

Value2,860 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

spolem.co.uk

537 ms

a_new_hope_r1_c1.gif

202 ms

a_new_hope_r2_c1.gif

199 ms

a_new_hope_r2_c2.gif

200 ms

a_new_hope_r2_c3.gif

201 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that all of those requests were addressed to Spolem.co.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (537 ms) belongs to the original domain Spolem.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.2 kB (85%)

Content Size

10.8 kB

After Optimization

1.6 kB

In fact, the total size of Spolem.co.uk main page is 10.8 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. Only 5% of websites need less resources to load. HTML takes 10.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 9.2 kB

  • Original 10.8 kB
  • After minification 8.2 kB
  • After compression 1.6 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. This page needs HTML code to be minified as it can gain 2.6 kB, which is 24% 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 9.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (40%)

Requests Now

20

After Optimization

12

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

Accessibility Review

spolem.co.uk accessibility score

82

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

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

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

spolem.co.uk 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

High

Page has valid source maps

SEO Factors

spolem.co.uk SEO score

92

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Spolem.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Spolem.co.uk main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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