8.7 sec in total
1.8 sec
6.7 sec
198 ms
Click here to check amazing Data Harvest content. Otherwise, check out these important facts you probably never knew about data-harvest.co.uk
Educational science data logging solutions. Data loggers & sensors for teaching science, engineered and manufactured in the UK to meet the requirements of the global education community.
Visit data-harvest.co.ukWe analyzed Data-harvest.co.uk page load time and found that the first response time was 1.8 sec and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
data-harvest.co.uk performance score
name
value
score
weighting
Value3.1 s
46/100
10%
Value3.6 s
62/100
25%
Value3.2 s
91/100
10%
Value100 ms
98/100
30%
Value0.221
56/100
15%
Value3.4 s
93/100
10%
1760 ms
191 ms
176 ms
187 ms
181 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 82% of them (53 requests) were addressed to the original Data-harvest.co.uk, 6% (4 requests) were made to Translate.googleapis.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source Wd-edge.sharethis.com.
Page size can be reduced by 948.0 kB (44%)
2.1 MB
1.2 MB
In fact, the total size of Data-harvest.co.uk 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. 40% of websites need less resources to load. Javascripts take 990.8 kB which makes up the majority of the site volume.
Potential reduce by 22.7 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 22.7 kB or 78% of the original size.
Potential reduce by 97.0 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. Obviously, Data Harvest needs image optimization as it can save up to 97.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 650.5 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 650.5 kB or 66% of the original size.
Potential reduce by 177.8 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. Data-harvest.co.uk needs all CSS files to be minified and compressed as it can save up to 177.8 kB or 84% of the original size.
Number of requests can be reduced by 24 (38%)
63
39
The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Data Harvest. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
data-harvest.co.uk
1760 ms
bootstrap-flatstrap.css
191 ms
bootstrap-wysiwyg5-color.css
176 ms
css-master.css
187 ms
superfish.css
181 ms
prettyPhoto.css
184 ms
font-awesome.min.css
199 ms
buttons.js
10 ms
analytics-tracking-1.0.js
261 ms
jquery-1.9.1.min.js
391 ms
bootstrap.min.js
321 ms
control-bar.js
320 ms
product-grid.js
321 ms
jquery.prettyPhoto.js
323 ms
jquery.selectBox.js
349 ms
ckeditor.js
1029 ms
slider.js
364 ms
safarimobile-multiline-select.min.js
376 ms
js
92 ms
element.js
36 ms
dhg-logo-corn-white-30x14.png
106 ms
ANDROID-Banner.jpg
1057 ms
vlog-8.jpg
606 ms
vision-wifi-stripe.jpg
484 ms
vu.jpg
509 ms
flowgo.jpg
525 ms
learn&go.jpg
843 ms
smartq-sensors.jpg
1022 ms
biology.jpg
889 ms
physics.jpg
992 ms
chemistry.jpg
1045 ms
paddle-left.jpg
996 ms
ANDROID-Banner-thumb.jpg
1040 ms
vlog.jpg
1081 ms
vision-wifi-2.jpg
1083 ms
vu.jpg
1115 ms
flowgo.jpg
1129 ms
learn-and-go.jpg
1132 ms
smartq-sensors.jpg
1139 ms
biology.jpg
1171 ms
physics.jpg
1168 ms
chemistry.jpg
1207 ms
paddle-right.jpg
1218 ms
background-2.jpg
1339 ms
dhg-logo-white-40x81.png
1261 ms
facebook-24.png
1263 ms
twitter-24.png
1238 ms
youtube-24.png
1271 ms
flickr-24.png
1276 ms
email-24.png
1316 ms
fontawesome-webfont.woff
1453 ms
fontawesome-webfont.woff
1328 ms
teachertube-24.png
1340 ms
linkedin-24.png
1326 ms
builder-1.0.js
630 ms
translateelement.css
76 ms
main.js
152 ms
analytics.js
68 ms
gettray
388 ms
getAllAppDefault.esi
3073 ms
element_main.js
39 ms
collect
14 ms
translate_24dp.png
29 ms
l
43 ms
cleardot.gif
41 ms
data-harvest.co.uk 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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
data-harvest.co.uk 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
data-harvest.co.uk SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Data-harvest.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 Data-harvest.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.
data-harvest.co.uk
Open Graph description is not detected on the main page of Data Harvest. 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: