31.5 sec in total
640 ms
19.7 sec
11.2 sec
Welcome to lens4u.ru homepage info - get ready to check Lens 4 U best content for Russia right away, or after learning these important things about lens4u.ru
Интернет-магазин Lens for You представлен большой выбор контактных линз солнцезащитных очков и очков для зрения по низким ценам быстрая доставка в день заказа
Visit lens4u.ruWe analyzed Lens4u.ru page load time and found that the first response time was 640 ms and then it took 30.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
lens4u.ru performance score
name
value
score
weighting
Value7.5 s
1/100
10%
Value17.0 s
0/100
25%
Value13.3 s
2/100
10%
Value3,230 ms
2/100
30%
Value0.075
95/100
15%
Value22.6 s
1/100
10%
640 ms
768 ms
441 ms
251 ms
256 ms
Our browser made a total of 86 requests to load all elements on the main page. We found that 57% of them (49 requests) were addressed to the original Lens4u.ru, 8% (7 requests) were made to Scontent.cdninstagram.com and 7% (6 requests) were made to Cloud.roistat.com. The less responsive or slowest element that took the longest time to load (16.3 sec) belongs to the original domain Lens4u.ru.
Page size can be reduced by 487.8 kB (16%)
3.1 MB
2.7 MB
In fact, the total size of Lens4u.ru main page is 3.1 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. 60% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.
Potential reduce by 78.3 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 78.3 kB or 81% of the original size.
Potential reduce by 124.0 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. Lens 4 U images are well optimized though.
Potential reduce by 75.1 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 75.1 kB or 44% of the original size.
Potential reduce by 210.5 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. Lens4u.ru needs all CSS files to be minified and compressed as it can save up to 210.5 kB or 80% of the original size.
Number of requests can be reduced by 30 (39%)
76
46
The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lens 4 U. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
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lens4u.ru accessibility score
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
lens4u.ru 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
Browser errors were logged to the console
lens4u.ru SEO score
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
RU
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lens4u.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Lens4u.ru 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.
{{og_description}}
lens4u.ru
Open Graph description is not detected on the main page of Lens 4 U. 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: