Tools & Wizards About Us
lenses.bg screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

lenses.bg

Контактни лещи - онлайн магазин за контактни и цветни лещи, разтвори и аксесоари

Page Load Speed

6.8 sec in total

First Response

1.2 sec

Resources Loaded

5.4 sec

Page Rendered

255 ms

lenses.bg screenshot

About Website

Welcome to lenses.bg homepage info - get ready to check Lenses best content right away, or after learning these important things about lenses.bg

Онлайн магазин за контактни лещи и разтвори - контактни лещи, цветни лещи и аксесоари. Бърза и безплатна доставка, качествени продукти и ниски цени онлайн в LENSES.BG.

Visit lenses.bg

Key Findings

We analyzed Lenses.bg page load time and found that the first response time was 1.2 sec and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

lenses.bg performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

20/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value1,630 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

lenses.bg

1234 ms

css

26 ms

calendar-win2k-1.css

244 ms

style.css

463 ms

slider.css

349 ms

Our browser made a total of 144 requests to load all elements on the main page. We found that 79% of them (114 requests) were addressed to the original Lenses.bg, 6% (9 requests) were made to Fonts.gstatic.com and 6% (8 requests) were made to Embed.tawk.to. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Lenses.bg.

Page Optimization Overview & Recommendations

Page size can be reduced by 342.1 kB (17%)

Content Size

2.0 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lenses.bg main page is 2.0 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 64.5 kB

  • Original 77.6 kB
  • After minification 68.2 kB
  • After compression 13.1 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 9.5 kB, which is 12% 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 64.5 kB or 83% of the original size.

Image Optimization

-10%

Potential reduce by 118.3 kB

  • Original 1.2 MB
  • After minification 1.1 MB

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. Lenses images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 150.4 kB

  • Original 714.0 kB
  • After minification 713.5 kB
  • After compression 563.7 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 150.4 kB or 21% of the original size.

CSS Optimization

-25%

Potential reduce by 8.9 kB

  • Original 35.1 kB
  • After minification 35.1 kB
  • After compression 26.2 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. Lenses.bg needs all CSS files to be minified and compressed as it can save up to 8.9 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 79 (59%)

Requests Now

133

After Optimization

54

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 133 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lenses. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 47 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lenses.bg

lenses.bg

1234 ms

css

css

26 ms

calendar-win2k-1.css

calendar-win2k-1.css

244 ms

style.css

style.css

463 ms

slider.css

slider.css

349 ms

slider-mobile.css

slider-mobile.css

364 ms

sliderOneStepIndex.css

sliderOneStepIndex.css

368 ms

colorbox.css

colorbox.css

369 ms

style.css

style.css

370 ms

base.css

base.css

491 ms

ajaxquickcart.css

ajaxquickcart.css

491 ms

prototype.js

prototype.js

622 ms

ccard.js

ccard.js

574 ms

validation.js

validation.js

580 ms

builder.js

builder.js

604 ms

effects.js

effects.js

616 ms

dragdrop.js

dragdrop.js

614 ms

controls.js

controls.js

690 ms

slider.js

slider.js

696 ms

js.js

js.js

727 ms

form.js

form.js

738 ms

menu.js

menu.js

739 ms

translate.js

translate.js

743 ms

cookies.js

cookies.js

804 ms

effects.js

effects.js

813 ms

window.js

window.js

971 ms

popup.js

popup.js

861 ms

jquery-1.4.4.js

jquery-1.4.4.js

995 ms

noconflict.js

noconflict.js

865 ms

jquery.treeview.pack.js

jquery.treeview.pack.js

917 ms

category_tree.js

category_tree.js

929 ms

base.js

base.js

985 ms

ajaxquickcart.js

ajaxquickcart.js

989 ms

product.js

product.js

1031 ms

calendar.js

calendar.js

1058 ms

js

js

77 ms

api.js

api.js

36 ms

responsive.css

responsive.css

985 ms

calendar-setup.js

calendar-setup.js

872 ms

script.js

script.js

771 ms

jquery.min.js

jquery.min.js

768 ms

jquery.color.js

jquery.color.js

785 ms

jquery.colorbox.js

jquery.colorbox.js

813 ms

global-resize.js

global-resize.js

854 ms

jquery.jcarousel.min.js

jquery.jcarousel.min.js

771 ms

slider.js

slider.js

773 ms

init.js

init.js

771 ms

jquery.rating.js

jquery.rating.js

775 ms

interaktingslider.js

interaktingslider.js

811 ms

fbevents.js

fbevents.js

48 ms

logo.png

logo.png

159 ms

close_label.gif

close_label.gif

158 ms

clariti_toric_1_6.jpg

clariti_toric_1_6.jpg

158 ms

ct4377a_clariti_elite_3or6pk_branded_carton_faceright_-_copy_1.jpg

ct4377a_clariti_elite_3or6pk_branded_carton_faceright_-_copy_1.jpg

155 ms

biofinity_1.jpg

biofinity_1.jpg

159 ms

biofinity_3.jpg

biofinity_3.jpg

174 ms

biofinity_sphere_6ct_carton_left_1_1_1.jpg

biofinity_sphere_6ct_carton_left_1_1_1.jpg

236 ms

biofinity_sphere_6ct_carton_left_1_1_1_1.jpg

biofinity_sphere_6ct_carton_left_1_1_1_1.jpg

259 ms

biofinity-xr-3-toric-months_1.jpg

biofinity-xr-3-toric-months_1.jpg

258 ms

biofinity-xr-3-toric-months.jpg

biofinity-xr-3-toric-months.jpg

256 ms

vitality_monogreen_1.jpg

vitality_monogreen_1.jpg

258 ms

vitality_1_3.jpg

vitality_1_3.jpg

290 ms

3579-800_1.jpg

3579-800_1.jpg

347 ms

31106-800x600_1_.png

31106-800x600_1_.png

379 ms

kompreszaochi.jpg

kompreszaochi.jpg

380 ms

clariti_elite_1.jpg

clariti_elite_1.jpg

381 ms

clariti_elite.jpg

clariti_elite.jpg

382 ms

3971-800_1.jpg

3971-800_1.jpg

404 ms

vaucher_lenses1.png

vaucher_lenses1.png

460 ms

vaucher_lenses1_1.png

vaucher_lenses1_1.png

498 ms

vaucher_lenses1_2.png

vaucher_lenses1_2.png

624 ms

vaucher_lenses1_3.png

vaucher_lenses1_3.png

505 ms

processed_3.png

processed_3.png

507 ms

3971-800.jpg

3971-800.jpg

521 ms

clariti_elite_2.jpg

clariti_elite_2.jpg

575 ms

sodyal-x_2.jpg

sodyal-x_2.jpg

619 ms

logo_1.png

logo_1.png

629 ms

logoOK-_1__3.png

logoOK-_1__3.png

630 ms

coopervision_2.png

coopervision_2.png

636 ms

Untitled.png

Untitled.png

688 ms

logoOK-_1__1.png

logoOK-_1__1.png

744 ms

logobaush.png

logobaush.png

747 ms

cantor.jpg

cantor.jpg

755 ms

body-doctor-logo.png

body-doctor-logo.png

753 ms

ga.js

ga.js

53 ms

logo_lenses_manufacturer_1.png

logo_lenses_manufacturer_1.png

729 ms

activityi;src=4531808;type=invmedia;cat=tkpjjgif;ord=537315176334.2321

activityi;src=4531808;type=invmedia;cat=tkpjjgif;ord=537315176334.2321

144 ms

PromoPaketi_1__1.jpg

PromoPaketi_1__1.jpg

875 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

50 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0C4n.ttf

51 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

52 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4n.ttf

52 ms

__utm.gif

__utm.gif

14 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkaVc.ttf

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkaVc.ttf

41 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk5hkaVc.ttf

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk5hkaVc.ttf

43 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkxhjaVc.ttf

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkxhjaVc.ttf

44 ms

recaptcha__bg.js

recaptcha__bg.js

74 ms

default

default

163 ms

625505

625505

862 ms

Nai-izgodno.jpg

Nai-izgodno.jpg

838 ms

stenik.png

stenik.png

715 ms

headerBG.jpg

headerBG.jpg

727 ms

headerSearchBoxSpan.png

headerSearchBoxSpan.png

726 ms

src=4531808;type=invmedia;cat=tkpjjgif;ord=537315176334.2321

src=4531808;type=invmedia;cat=tkpjjgif;ord=537315176334.2321

119 ms

openMobileSearch.png

openMobileSearch.png

815 ms

fallback

fallback

22 ms

headerSearchInput.png

headerSearchInput.png

772 ms

mobileSearchArrow.png

mobileSearchArrow.png

753 ms

fallback__ltr.css

fallback__ltr.css

4 ms

reOrderTooltipBG.png

reOrderTooltipBG.png

775 ms

mobileMainNavOpen.png

mobileMainNavOpen.png

847 ms

mainNavHomeIcon.png

mainNavHomeIcon.png

860 ms

css

css

29 ms

logo_48.png

logo_48.png

4 ms

headerCartIcon.png

headerCartIcon.png

841 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

18 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

21 ms

indexSliderArrows.png

indexSliderArrows.png

785 ms

Untitled-1_1.png

Untitled-1_1.png

878 ms

Untitled-1_2.jpg

Untitled-1_2.jpg

992 ms

mainBG.jpg

mainBG.jpg

839 ms

indexSliderBottomLine.png

indexSliderBottomLine.png

859 ms

productInnerTextBullet.png

productInnerTextBullet.png

848 ms

footerTopBG.jpg

footerTopBG.jpg

795 ms

footerCatBox.jpg

footerCatBox.jpg

838 ms

mainCatBGTwoRows.png

mainCatBGTwoRows.png

857 ms

mainCatBG.png

mainCatBG.png

870 ms

footerColList.png

footerColList.png

857 ms

footerFB.png

footerFB.png

803 ms

footerTW.png

footerTW.png

835 ms

footerGplus.png

footerGplus.png

862 ms

footerBottomBG.jpg

footerBottomBG.jpg

855 ms

paymentsIcons.png

paymentsIcons.png

870 ms

paymentsIconsPayPal.png

paymentsIconsPayPal.png

863 ms

backToTopIcon.png

backToTopIcon.png

811 ms

toAllProductsBtn.png

toAllProductsBtn.png

825 ms

white-male-1847735_1280.png

white-male-1847735_1280.png

1081 ms

twk-event-polyfill.js

twk-event-polyfill.js

229 ms

twk-main.js

twk-main.js

62 ms

twk-vendor.js

twk-vendor.js

23 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

152 ms

twk-chunk-common.js

twk-chunk-common.js

167 ms

twk-runtime.js

twk-runtime.js

65 ms

twk-app.js

twk-app.js

35 ms

Accessibility Review

lenses.bg accessibility score

65

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

lenses.bg best practices score

50

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

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

lenses.bg SEO score

87

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

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    BG

  • Language Claimed

    BG

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lenses.bg can be misinterpreted by Google and other search engines. Our service has detected that Bulgarian is used on the page, and it matches the claimed language. Our system also found out that Lenses.bg 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.

Social Sharing Optimization

lenses.bg

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