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metoffice.gov.uk screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

metoffice.gov.uk

Weather and climate change - Met Office

Page Load Speed

54.8 sec in total

First Response

717 ms

Resources Loaded

44.9 sec

Page Rendered

9.2 sec

metoffice.gov.uk screenshot

About Website

Click here to check amazing Met Office content for United Kingdom. Otherwise, check out these important facts you probably never knew about metoffice.gov.uk

Met Office weather forecasts for the UK. World leading weather services for the public.

Visit metoffice.gov.uk

Key Findings

We analyzed Metoffice.gov.uk page load time and found that the first response time was 717 ms and then it took 54.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

metoffice.gov.uk performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.059

98/100

15%

TTI (Time to Interactive)

Value8.5 s

37/100

10%

Network Requests Diagram

www.metoffice.gov.uk

717 ms

base-combined.min.css

346 ms

user-preferences.css

410 ms

element.js

446 ms

MetOffice_280116_1010.js

1168 ms

Our browser made a total of 166 requests to load all elements on the main page. We found that 41% of them (68 requests) were addressed to the original Metoffice.gov.uk, 16% (26 requests) were made to Ib.adnxs.com and 4% (7 requests) were made to Image2.pubmatic.com. The less responsive or slowest element that took the longest time to load (10.1 sec) relates to the external source Static.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.6 MB (52%)

Content Size

5.0 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Metoffice.gov.uk main page is 5.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 88.6 kB

  • Original 107.9 kB
  • After minification 94.1 kB
  • After compression 19.3 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 13.7 kB, which is 13% 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 88.6 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 36.3 kB

  • Original 1.2 MB
  • After minification 1.2 MB

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. Met Office images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 2.0 MB

  • Original 3.0 MB
  • After minification 3.0 MB
  • After compression 1.1 MB

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 2.0 MB or 65% of the original size.

CSS Optimization

-79%

Potential reduce by 459.5 kB

  • Original 582.3 kB
  • After minification 526.1 kB
  • After compression 122.7 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. Metoffice.gov.uk needs all CSS files to be minified and compressed as it can save up to 459.5 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 101 (66%)

Requests Now

152

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 152 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Met Office. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 63 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.metoffice.gov.uk

www.metoffice.gov.uk

717 ms

base-combined.min.css

base-combined.min.css

346 ms

user-preferences.css

user-preferences.css

410 ms

element.js

element.js

446 ms

MetOffice_280116_1010.js

MetOffice_280116_1010.js

1168 ms

largeTabs.css

largeTabs.css

437 ms

homepage-tabs.css

homepage-tabs.css

402 ms

leaflet.css

leaflet.css

436 ms

icons.css

icons.css

702 ms

map.css

map.css

538 ms

forecast-homepage.css

forecast-homepage.css

538 ms

table.css

table.css

572 ms

location-search.css

location-search.css

571 ms

warnings.css

warnings.css

595 ms

news.css

news.css

851 ms

weather-story.css

weather-story.css

757 ms

moHome.css

moHome.css

847 ms

smoothscroll.min.js

smoothscroll.min.js

840 ms

stringIncludes.js

stringIncludes.js

723 ms

unit-converters.js

unit-converters.js

724 ms

user-preferences.js

user-preferences.js

723 ms

base-combined.min.js

base-combined.min.js

723 ms

dom.js

dom.js

875 ms

tabs.js

tabs.js

876 ms

homepageTabs.js

homepageTabs.js

876 ms

leaflet.js

leaflet.js

774 ms

static-map.js

static-map.js

875 ms

forecast.js

forecast.js

823 ms

locationSearch.js

locationSearch.js

857 ms

request.js

request.js

856 ms

warningsBanner.js

warningsBanner.js

857 ms

translateelement.css

translateelement.css

723 ms

main.js

main.js

2827 ms

gshowad.js

gshowad.js

2040 ms

bidders.js

bidders.js

1997 ms

mo-all-logos.svg

mo-all-logos.svg

1505 ms

warnings-iframe

warnings-iframe

1560 ms

index.html

index.html

1931 ms

7Nw1P0X0nco

7Nw1P0X0nco

5052 ms

chevron_right.svg

chevron_right.svg

2067 ms

mo_logo_white_background.png

mo_logo_white_background.png

2068 ms

chevron_down.svg

chevron_down.svg

1792 ms

search.svg

search.svg

2068 ms

1.svg

1.svg

2017 ms

12.svg

12.svg

2349 ms

3.svg

3.svg

2437 ms

10.svg

10.svg

2400 ms

7.svg

7.svg

2347 ms

8.svg

8.svg

2439 ms

14.svg

14.svg

2151 ms

15.svg

15.svg

4394 ms

mohippo%3Ahomepagewidgetsmall

mohippo%3Ahomepagewidgetsmall

4485 ms

mohippo%3Ahomepagewidgetsmall

mohippo%3Ahomepagewidgetsmall

4485 ms

mohippo%3Ahomepagewidgetsmall

mohippo%3Ahomepagewidgetsmall

4299 ms

mohippo%3Ahomepagewidgetsmall

mohippo%3Ahomepagewidgetsmall

4299 ms

mohippo%3Ahomepagewidgetsmall

mohippo%3Ahomepagewidgetsmall

4484 ms

mohippo%3Ahomepagewidgetsmall

mohippo%3Ahomepagewidgetsmall

4734 ms

mohippo%3Ahomepagewidgetsmall

mohippo%3Ahomepagewidgetsmall

4735 ms

mohippo%3Ahomepagewidgetsmall

mohippo%3Ahomepagewidgetsmall

4781 ms

follow-icons.svg

follow-icons.svg

4779 ms

base.css

base.css

3615 ms

gpt.js

gpt.js

2270 ms

FSEmericWeb-Light.woff

FSEmericWeb-Light.woff

2283 ms

FSEmericWeb-Regular.woff

FSEmericWeb-Regular.woff

2282 ms

element_main.js

element_main.js

2286 ms

cygnus

cygnus

1170 ms

jpt

jpt

1136 ms

jpt

jpt

1167 ms

jpt

jpt

1162 ms

jpt

jpt

1164 ms

jpt

jpt

1162 ms

jpt

jpt

1161 ms

jpt

jpt

1163 ms

jpt

jpt

1223 ms

jpt

jpt

1194 ms

jpt

jpt

1193 ms

jpt

jpt

1356 ms

jpt

jpt

1192 ms

jpt

jpt

1192 ms

gshowad.js

gshowad.js

7042 ms

lib.js

lib.js

3210 ms

publishertag.js

publishertag.js

7919 ms

bid

bid

8136 ms

www-player-vflMqr8uC.css

www-player-vflMqr8uC.css

6519 ms

www-embed-player.js

www-embed-player.js

7351 ms

base.js

base.js

7572 ms

arj

arj

7286 ms

tracker

tracker

3132 ms

2320300299001

2320300299001

8960 ms

pubads_impl_147.js

pubads_impl_147.js

9257 ms

async_usersync.html

async_usersync.html

8200 ms

jpt

jpt

7240 ms

jpt

jpt

7239 ms

jpt

jpt

7154 ms

jpt

jpt

7153 ms

jpt

jpt

7042 ms

jpt

jpt

7138 ms

jpt

jpt

7459 ms

jpt

jpt

7312 ms

jpt

jpt

7458 ms

jpt

jpt

7460 ms

jpt

jpt

7311 ms

jpt

jpt

7457 ms

jpt

jpt

7460 ms

AdCallAggregator

AdCallAggregator

7368 ms

tracker

tracker

1585 ms

tracker

tracker

694 ms

I5YL3XhodRRsVWZe4NnZOhWnSAWgxhMoEr6SmzZieF43Mk7ZOBdeCVGrp9Eu+54J2xhySplfB5XHwQLXUmT9KH6+kPnQ7ZYuIEzNyfs1DLU1VU4SWZ6LkXGHsD1ZKbMw=

I5YL3XhodRRsVWZe4NnZOhWnSAWgxhMoEr6SmzZieF43Mk7ZOBdeCVGrp9Eu+54J2xhySplfB5XHwQLXUmT9KH6+kPnQ7ZYuIEzNyfs1DLU1VU4SWZ6LkXGHsD1ZKbMw=

26 ms

metrics

metrics

5267 ms

showad.js

showad.js

427 ms

PugMaster

PugMaster

4452 ms

id

id

625 ms

2tj_Yt5eAEN1YazL-za5nq2m-sVEuK50_GPDTIKqlPM.js

2tj_Yt5eAEN1YazL-za5nq2m-sVEuK50_GPDTIKqlPM.js

10088 ms

ad_status.js

ad_status.js

10089 ms

pd

pd

9415 ms

ads

ads

6593 ms

ads

ads

6829 ms

ads

ads

6227 ms

pixel

pixel

5739 ms

generic

generic

5800 ms

container.html

container.html

5492 ms

ads

ads

5926 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

5596 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

6706 ms

openx

openx

2523 ms

pixel

pixel

2359 ms

Pug

Pug

4047 ms

pixel

pixel

2438 ms

generic

generic

2154 ms

Pug

Pug

3688 ms

logo_ringo-vflOpz8ZI.png

logo_ringo-vflOpz8ZI.png

6075 ms

demconf.jpg

demconf.jpg

3532 ms

gtm.js

gtm.js

4998 ms

widgets.js

widgets.js

4986 ms

9.png

9.png

3753 ms

352409

352409

2338 ms

Pug

Pug

2999 ms

sd

sd

4028 ms

openx

openx

2812 ms

Pug

Pug

3051 ms

Pug

Pug

3426 ms

Pug

Pug

3426 ms

generic

generic

2809 ms

9.png

9.png

2412 ms

10.png

10.png

2411 ms

10.png

10.png

2411 ms

3868 ms

layers.png

layers.png

3262 ms

Pug

Pug

3034 ms

sync

sync

2391 ms

sd

sd

2445 ms

receive

receive

2230 ms

sd

sd

2093 ms

latlong

latlong

2013 ms

se

se

2013 ms

se

se

1816 ms

gcpvj0v07

gcpvj0v07

2061 ms

gcpvj0v07

gcpvj0v07

2012 ms

gcpvj0v07

gcpvj0v07

1692 ms

sd

sd

1506 ms

translate_24dp.png

translate_24dp.png

3551 ms

l

l

849 ms

googlelogo_color_42x16dp.png

googlelogo_color_42x16dp.png

3446 ms

sd

sd

3195 ms

translate_24dp.png

translate_24dp.png

2602 ms

osd.js

osd.js

1986 ms

Accessibility Review

metoffice.gov.uk accessibility score

88

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

[role]s are not contained by their required parent element

High

[aria-*] attributes do not have valid values

Best Practices

metoffice.gov.uk best practices score

75

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

metoffice.gov.uk SEO score

93

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

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 Metoffice.gov.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 Metoffice.gov.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

metoffice.gov.uk

Open Graph data is detected on the main page of Met Office. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: