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Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

hadobs.metoffice.com

Met Office Hadley Centre observations datasets

Page Load Speed

2.3 sec in total

First Response

295 ms

Resources Loaded

1.9 sec

Page Rendered

125 ms

hadobs.metoffice.com screenshot

About Website

Welcome to hadobs.metoffice.com homepage info - get ready to check Hadobs Met Office best content for United Kingdom right away, or after learning these important things about hadobs.metoffice.com

gridded datasets of meteorological variables for use in climate monitoring and climate modelling

Visit hadobs.metoffice.com

Key Findings

We analyzed Hadobs.metoffice.com page load time and found that the first response time was 295 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

hadobs.metoffice.com performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

84/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

hadobs.metoffice.com

295 ms

styles.css

196 ms

ga.js

33 ms

anomalies.png

1365 ms

metologo.gif

208 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 67% of them (4 requests) were addressed to the original Hadobs.metoffice.com, 33% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Hadobs.metoffice.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 33.3 kB (6%)

Content Size

523.5 kB

After Optimization

490.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hadobs.metoffice.com main page is 523.5 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. Images take 495.4 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 5.8 kB

  • Original 8.7 kB
  • After minification 7.6 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 1.1 kB, which is 12% 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 5.8 kB or 67% of the original size.

Image Optimization

-5%

Potential reduce by 25.6 kB

  • Original 495.4 kB
  • After minification 469.8 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. Hadobs Met Office images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-79%

Potential reduce by 1.9 kB

  • Original 2.4 kB
  • After minification 1.3 kB
  • After compression 491 B

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. Hadobs.metoffice.com needs all CSS files to be minified and compressed as it can save up to 1.9 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hadobs Met Office. According to our analytics all requests are already optimized.

Network Requests Diagram

hadobs.metoffice.com

hadobs.metoffice.com

295 ms

styles.css

styles.css

196 ms

ga.js

ga.js

33 ms

anomalies.png

anomalies.png

1365 ms

metologo.gif

metologo.gif

208 ms

__utm.gif

__utm.gif

13 ms

Accessibility Review

hadobs.metoffice.com accessibility score

85

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

hadobs.metoffice.com best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

hadobs.metoffice.com SEO score

77

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 Hadobs.metoffice.com 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 Hadobs.metoffice.com 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

hadobs.metoffice.com

Open Graph description is not detected on the main page of Hadobs Met Office. 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: