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Welcome to dopplerltd.com homepage info - get ready to check Dopplerltd best content for United States right away, or after learning these important things about dopplerltd.com
Doppler Ltd. sells lithium battery packs for oceanographic instruments including ADCPs, Argo floats & for custom projects. Contact us for technical support.
Visit dopplerltd.comWe analyzed Dopplerltd.com page load time and found that the first response time was 1.6 sec and then it took 14.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster. This domain responded with an error, which can significantly jeopardize Dopplerltd.com rating and web reputation
dopplerltd.com performance score
name
value
score
weighting
Value12.1 s
0/100
10%
Value13.5 s
0/100
25%
Value16.9 s
0/100
10%
Value120 ms
97/100
30%
Value0.001
100/100
15%
Value20.8 s
2/100
10%
1611 ms
26 ms
7827 ms
8433 ms
7628 ms
Our browser made a total of 123 requests to load all elements on the main page. We found that 99% of them (122 requests) were addressed to the original Dopplerltd.com, 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (9.5 sec) belongs to the original domain Dopplerltd.com.
Page size can be reduced by 600.4 kB (66%)
914.5 kB
314.1 kB
In fact, the total size of Dopplerltd.com main page is 914.5 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. 55% of websites need less resources to load. CSS take 521.9 kB which makes up the majority of the site volume.
Potential reduce by 57.7 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 57.7 kB or 82% of the original size.
Potential reduce by 5.0 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. Dopplerltd images are well optimized though.
Potential reduce by 89.2 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 89.2 kB or 69% of the original size.
Potential reduce by 448.6 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. Dopplerltd.com needs all CSS files to be minified and compressed as it can save up to 448.6 kB or 86% of the original size.
Number of requests can be reduced by 50 (89%)
56
6
The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dopplerltd. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 51 to 1 for JavaScripts and as a result speed up the page load time.
dopplerltd.com
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grid.css
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blog.css
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jquery.min.js
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Ocean-Batteries-Logo.png
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SeaSpider.jpg
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dopplerltd.com accessibility score
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
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
dopplerltd.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
Page has valid source maps
dopplerltd.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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 Dopplerltd.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 Dopplerltd.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.
dopplerltd.com
Open Graph data is detected on the main page of Dopplerltd. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: