4.4 sec in total
665 ms
3.3 sec
471 ms
Click here to check amazing Sklep Deltaoptical content for Iran. Otherwise, check out these important facts you probably never knew about sklep.deltaoptical.pl
Delta Optical to sklep internetowy z lunetami, lornetkami, noktowizorami. W ofercie znajdują się także mikroskopy, teleskopy oraz akcesoria astronomiczne.
Visit sklep.deltaoptical.plWe analyzed Sklep.deltaoptical.pl page load time and found that the first response time was 665 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
sklep.deltaoptical.pl performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value8.2 s
2/100
25%
Value11.0 s
6/100
10%
Value560 ms
52/100
30%
Value0.281
43/100
15%
Value14.8 s
8/100
10%
665 ms
335 ms
334 ms
336 ms
460 ms
Our browser made a total of 154 requests to load all elements on the main page. We found that 34% of them (52 requests) were addressed to the original Sklep.deltaoptical.pl, 48% (74 requests) were made to Deltaoptical.pl and 6% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Sklep.deltaoptical.pl.
Page size can be reduced by 472.1 kB (28%)
1.7 MB
1.2 MB
In fact, the total size of Sklep.deltaoptical.pl main page is 1.7 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. 65% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 45.9 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 45.9 kB or 79% of the original size.
Potential reduce by 39.2 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. Sklep Deltaoptical images are well optimized though.
Potential reduce by 355.1 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 355.1 kB or 70% of the original size.
Potential reduce by 32.0 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. Sklep.deltaoptical.pl needs all CSS files to be minified and compressed as it can save up to 32.0 kB or 83% of the original size.
Number of requests can be reduced by 38 (26%)
144
106
The browser has sent 144 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sklep Deltaoptical. 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 10 to 1 for CSS and as a result speed up the page load time.
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sklep.deltaoptical.pl 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
ARIA input fields do not have accessible names
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Links do not have a discernible name
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>).
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.
sklep.deltaoptical.pl 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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
sklep.deltaoptical.pl 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
PL
N/A
WINDOWS-1250
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sklep.deltaoptical.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish 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 Sklep.deltaoptical.pl main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
sklep.deltaoptical.pl
Open Graph description is not detected on the main page of Sklep Deltaoptical. 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: