9.6 sec in total
154 ms
8.8 sec
615 ms
Visit britishunderground.com now to see the best up-to-date Britishunderground content and also check out these interesting facts you probably never knew about britishunderground.com
Visit britishunderground.comWe analyzed Britishunderground.com page load time and found that the first response time was 154 ms and then it took 9.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
britishunderground.com performance score
name
value
score
weighting
Value9.5 s
0/100
10%
Value9.5 s
0/100
25%
Value16.4 s
0/100
10%
Value1,830 ms
9/100
30%
Value0.422
23/100
15%
Value20.3 s
2/100
10%
154 ms
324 ms
142 ms
3431 ms
187 ms
Our browser made a total of 172 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Britishunderground.com, 84% (144 requests) were made to Us.appraiser.info and 5% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.4 sec) relates to the external source Us.appraiser.info.
Page size can be reduced by 627.7 kB (29%)
2.2 MB
1.5 MB
In fact, the total size of Britishunderground.com main page is 2.2 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. 80% 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 787.0 kB which makes up the majority of the site volume.
Potential reduce by 296.6 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 296.6 kB or 82% of the original size.
Potential reduce by 35.3 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. Britishunderground images are well optimized though.
Potential reduce by 159.0 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 159.0 kB or 20% of the original size.
Potential reduce by 136.8 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. Britishunderground.com needs all CSS files to be minified and compressed as it can save up to 136.8 kB or 26% of the original size.
Number of requests can be reduced by 120 (81%)
149
29
The browser has sent 149 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Britishunderground. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 58 to 1 for JavaScripts and from 64 to 1 for CSS and as a result speed up the page load time.
britishunderground.com
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britishunderground.com
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appraiser.info
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britishunderground.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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
Form elements do not have associated labels
Links do not have a discernible name
britishunderground.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
britishunderground.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Britishunderground.com 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 Britishunderground.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.
britishunderground.com
Open Graph description is not detected on the main page of Britishunderground. 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: