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children.scottishairquality.co.uk screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

children.scottishairquality.co.uk

Home

Page Load Speed

1.5 sec in total

First Response

225 ms

Resources Loaded

1.1 sec

Page Rendered

170 ms

children.scottishairquality.co.uk screenshot

About Website

Click here to check amazing Children Scottishairquality content for United Kingdom. Otherwise, check out these important facts you probably never knew about children.scottishairquality.co.uk

Visit children.scottishairquality.co.uk

Key Findings

We analyzed Children.scottishairquality.co.uk page load time and found that the first response time was 225 ms and then it took 1.3 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

children.scottishairquality.co.uk performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value4.9 s

66/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.09

92/100

15%

TTI (Time to Interactive)

Value6.0 s

65/100

10%

Network Requests Diagram

children.scottishairquality.co.uk

225 ms

children.scottishairquality.scot

533 ms

css2

32 ms

app.ab91c5b8.css

194 ms

runtime.105a972a.js

243 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Children.scottishairquality.co.uk, 85% (28 requests) were made to Children.scottishairquality.scot and 6% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (533 ms) relates to the external source Children.scottishairquality.scot.

Page Optimization Overview & Recommendations

Page size can be reduced by 26.1 kB (8%)

Content Size

345.0 kB

After Optimization

318.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Children.scottishairquality.co.uk main page is 345.0 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. 25% of websites need less resources to load. Images take 226.3 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 6.0 kB

  • Original 9.0 kB
  • After minification 7.7 kB
  • After compression 2.9 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 1.3 kB, which is 14% 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 6.0 kB or 67% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 226.3 kB
  • After minification 226.3 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. Children Scottishairquality images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 10.3 kB

  • Original 71.4 kB
  • After minification 71.4 kB
  • After compression 61.1 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 10.3 kB or 14% of the original size.

CSS Optimization

-26%

Potential reduce by 9.8 kB

  • Original 38.3 kB
  • After minification 38.3 kB
  • After compression 28.5 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. Children.scottishairquality.co.uk needs all CSS files to be minified and compressed as it can save up to 9.8 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (24%)

Requests Now

29

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Children Scottishairquality. 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 as a result speed up the page load time.

Network Requests Diagram

children.scottishairquality.co.uk

children.scottishairquality.co.uk

225 ms

children.scottishairquality.scot

children.scottishairquality.scot

533 ms

css2

css2

32 ms

app.ab91c5b8.css

app.ab91c5b8.css

194 ms

runtime.105a972a.js

runtime.105a972a.js

243 ms

983.cc95e6ee.js

983.cc95e6ee.js

244 ms

243.a6328b0f.js

243.a6328b0f.js

384 ms

48.2257696e.js

48.2257696e.js

320 ms

app.7d428969.js

app.7d428969.js

246 ms

674.339524ea.js

674.339524ea.js

277 ms

cookie-management-bundle.b4de37db.js

cookie-management-bundle.b4de37db.js

323 ms

js

js

72 ms

bg.5dbb1b8d.jpg

bg.5dbb1b8d.jpg

74 ms

logo_air_pollution_detectives.png

logo_air_pollution_detectives.png

73 ms

bg_nav.3c618159.png

bg_nav.3c618159.png

74 ms

notepad.ac6cf123.png

notepad.ac6cf123.png

74 ms

characters.png

characters.png

77 ms

sound-on.754ffa68.svg

sound-on.754ffa68.svg

75 ms

button_start.696d2d9d.png

button_start.696d2d9d.png

78 ms

paper_home.26e3b88c.png

paper_home.26e3b88c.png

82 ms

polaroid_professor.ce774163.png

polaroid_professor.ce774163.png

86 ms

polaroid_countryside.b35feb52.png

polaroid_countryside.b35feb52.png

87 ms

polaroid_climate.2fe54734.png

polaroid_climate.2fe54734.png

91 ms

polaroid_wcid.57453c06.png

polaroid_wcid.57453c06.png

97 ms

title_air_pollution_in_scotland.png

title_air_pollution_in_scotland.png

96 ms

paperclip.png

paperclip.png

100 ms

footer_papercurl.4c3b06a6.jpg

footer_papercurl.4c3b06a6.jpg

101 ms

ricardo_ee.png

ricardo_ee.png

102 ms

logo_aqscotland.png

logo_aqscotland.png

106 ms

logo_glow.gif

logo_glow.gif

107 ms

logo_scottish_gov.gif

logo_scottish_gov.gif

108 ms

tDbM2oWUg0MKoZw1yLQ.ttf

tDbM2oWUg0MKoZw1yLQ.ttf

17 ms

tDbD2oWUg0MKmSA.ttf

tDbD2oWUg0MKmSA.ttf

22 ms

Accessibility Review

children.scottishairquality.co.uk accessibility score

94

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

children.scottishairquality.co.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

children.scottishairquality.co.uk SEO score

69

Search Engine Optimization Advices

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 Children.scottishairquality.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 Children.scottishairquality.co.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

children.scottishairquality.co.uk

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