Tools & Wizards About Us
glaza.by screenshot

Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

glaza.by

GLAZA.by - ВCЕ очки, линзы, салоны оптики и глазные клиники Минска

Page Load Speed

5.5 sec in total

First Response

767 ms

Resources Loaded

4.5 sec

Page Rendered

262 ms

glaza.by screenshot

About Website

Visit glaza.by now to see the best up-to-date GLAZA content for Belarus and also check out these interesting facts you probably never knew about glaza.by

Красивые фотографии и лучшие цены на модные солнцезащитные очки, качественные оправы и контактные линзы в салонах оптики Минска. Акции, скидки, распродажи. Адреса и телефоны салонов оптики и глазных к...

Visit glaza.by

Key Findings

We analyzed Glaza.by page load time and found that the first response time was 767 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

glaza.by performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

glaza.by

767 ms

main.css

421 ms

jquery-1.8.0.min.js

882 ms

banner-88x31-rambler-gray2.gif

306 ms

top100.cnt

304 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 78% of them (25 requests) were addressed to the original Glaza.by, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Top100-images.rambler.ru. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Glaza.by.

Page Optimization Overview & Recommendations

Page size can be reduced by 131.1 kB (22%)

Content Size

585.1 kB

After Optimization

453.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Glaza.by main page is 585.1 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. 20% of websites need less resources to load. Images take 437.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 21.7 kB

  • Original 28.5 kB
  • After minification 24.2 kB
  • After compression 6.8 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 4.3 kB, which is 15% 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 21.7 kB or 76% of the original size.

Image Optimization

-10%

Potential reduce by 42.5 kB

  • Original 437.2 kB
  • After minification 394.7 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. GLAZA images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 59.3 kB

  • Original 109.7 kB
  • After minification 109.7 kB
  • After compression 50.4 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 59.3 kB or 54% of the original size.

CSS Optimization

-79%

Potential reduce by 7.6 kB

  • Original 9.6 kB
  • After minification 8.2 kB
  • After compression 2.0 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. Glaza.by needs all CSS files to be minified and compressed as it can save up to 7.6 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (28%)

Requests Now

29

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of GLAZA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

glaza.by

glaza.by

767 ms

main.css

main.css

421 ms

jquery-1.8.0.min.js

jquery-1.8.0.min.js

882 ms

banner-88x31-rambler-gray2.gif

banner-88x31-rambler-gray2.gif

306 ms

top100.cnt

top100.cnt

304 ms

logo_glaza.gif

logo_glaza.gif

290 ms

150409181018363.gif

150409181018363.gif

429 ms

bg.gif

bg.gif

157 ms

li.gif

li.gif

275 ms

spa.gif

spa.gif

280 ms

372031494350695.gif

372031494350695.gif

1505 ms

sunglass_glaza.jpg

sunglass_glaza.jpg

788 ms

h_line.gif

h_line.gif

412 ms

kids_eye_problems.jpg

kids_eye_problems.jpg

785 ms

microscopes.jpg

microscopes.jpg

1761 ms

v_line.gif

v_line.gif

601 ms

optical_glasses.jpg

optical_glasses.jpg

1307 ms

vision_control.jpg

vision_control.jpg

1305 ms

binoculars.jpg

binoculars.jpg

1124 ms

contact_lenses.jpg

contact_lenses.jpg

1127 ms

eye_correction.jpg

eye_correction.jpg

1437 ms

repair_eyeglasses.jpg

repair_eyeglasses.jpg

1479 ms

b20_2.gif

b20_2.gif

1436 ms

230475049326746.png

230475049326746.png

3021 ms

b20_3.gif

b20_3.gif

1634 ms

b20_1.gif

b20_1.gif

1630 ms

b20_5.gif

b20_5.gif

1675 ms

watch.js

watch.js

1 ms

hit

hit

265 ms

ga.js

ga.js

36 ms

__utm.gif

__utm.gif

40 ms

adlik

adlik

833 ms

Accessibility Review

glaza.by accessibility score

54

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

glaza.by best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

glaza.by SEO score

71

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Glaza.by 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 Glaza.by main page’s claimed encoding is windows-1251. 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.

Social Sharing Optimization

glaza.by

Open Graph description is not detected on the main page of GLAZA. 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: