3.5 sec in total
873 ms
2.1 sec
499 ms
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Visit uk.telescope.comWe analyzed Uk.telescope.com page load time and found that the first response time was 873 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
uk.telescope.com performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value11.9 s
0/100
25%
Value4.8 s
66/100
10%
Value800 ms
36/100
30%
Value0.379
27/100
15%
Value12.1 s
16/100
10%
873 ms
106 ms
160 ms
38 ms
60 ms
Our browser made a total of 130 requests to load all elements on the main page. We found that 76% of them (99 requests) were addressed to the original Uk.telescope.com, 2% (3 requests) were made to S7.addthis.com and 2% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (873 ms) belongs to the original domain Uk.telescope.com.
Page size can be reduced by 908.8 kB (43%)
2.1 MB
1.2 MB
In fact, the total size of Uk.telescope.com main page is 2.1 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. 70% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 210.4 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 28.8 kB, which is 11% 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 210.4 kB or 79% of the original size.
Potential reduce by 29.1 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. UK Telescope images are well optimized though.
Potential reduce by 669.1 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 669.1 kB or 66% of the original size.
Potential reduce by 131 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. Uk.telescope.com needs all CSS files to be minified and compressed as it can save up to 131 B or 58% of the original size.
Number of requests can be reduced by 37 (30%)
124
87
The browser has sent 124 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UK Telescope. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
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uk.telescope.com accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
uk.telescope.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
uk.telescope.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Uk.telescope.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 Uk.telescope.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.
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uk.telescope.com
Open Graph data is detected on the main page of UK Telescope. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: