Report Summary

  • 64

    Performance

    Renders faster than
    78% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

sepa.org.uk

Home | Scottish Environment Protection Agency (SEPA)

Page Load Speed

2.3 sec in total

First Response

265 ms

Resources Loaded

1.9 sec

Page Rendered

181 ms

sepa.org.uk screenshot

About Website

Visit sepa.org.uk now to see the best up-to-date SEPA content for United Kingdom and also check out these interesting facts you probably never knew about sepa.org.uk

The Scottish Environment Protection Agency (SEPA) is Scotland’s principal environmental regulator, protecting and improving Scotland’s environment.

Visit sepa.org.uk

Key Findings

We analyzed Sepa.org.uk page load time and found that the first response time was 265 ms and then it took 2.1 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

sepa.org.uk performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

21/100

25%

SI (Speed Index)

Value4.1 s

80/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.164

72/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

sepa.org.uk

265 ms

www.sepa.org.uk

664 ms

reset.css

176 ms

GeneralLayout.css

263 ms

HeaderFooterNavigation.css

357 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 83% of them (39 requests) were addressed to the original Sepa.org.uk, 6% (3 requests) were made to Ajax.aspnetcdn.com and 4% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (664 ms) belongs to the original domain Sepa.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 189.4 kB (19%)

Content Size

998.1 kB

After Optimization

808.7 kB

In fact, the total size of Sepa.org.uk main page is 998.1 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. 30% of websites need less resources to load. Images take 812.6 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 19.6 kB

  • Original 24.8 kB
  • After minification 19.7 kB
  • After compression 5.2 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 5.1 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 19.6 kB or 79% of the original size.

Image Optimization

-11%

Potential reduce by 90.9 kB

  • Original 812.6 kB
  • After minification 721.7 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, SEPA needs image optimization as it can save up to 90.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-8%

Potential reduce by 5.5 kB

  • Original 69.8 kB
  • After minification 66.9 kB
  • After compression 64.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-81%

Potential reduce by 73.3 kB

  • Original 91.0 kB
  • After minification 79.9 kB
  • After compression 17.6 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. Sepa.org.uk needs all CSS files to be minified and compressed as it can save up to 73.3 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (34%)

Requests Now

44

After Optimization

29

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SEPA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sepa.org.uk accessibility score

67

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sepa.org.uk best practices score

75

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

SEO Factors

sepa.org.uk SEO score

91

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sepa.org.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 Sepa.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 SEPA. 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: