Tools & Wizards About Us
alensa.com screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

alensa.com

Contact lenses, glasses and accessories online | Alensa

Page Load Speed

11.5 sec in total

First Response

987 ms

Resources Loaded

9.7 sec

Page Rendered

765 ms

alensa.com screenshot

About Website

Visit alensa.com now to see the best up-to-date Alensa content for Serbia and also check out these interesting facts you probably never knew about alensa.com

Buy cheaper contact lenses, solutions and polarized sunglasses online at Alensa. Fast shipping and secure payment guaranteed.

Visit alensa.com

Key Findings

We analyzed Alensa.com page load time and found that the first response time was 987 ms and then it took 10.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

alensa.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

alensa.com

987 ms

css

23 ms

bootstrap.min.css

1007 ms

font-awesome.min.css

754 ms

font-lineicons.css

710 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 76% of them (75 requests) were addressed to the original Alensa.com, 10% (10 requests) were made to Google.com and 4% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (5.6 sec) relates to the external source Testdrivebooker.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 932.8 kB (36%)

Content Size

2.6 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Alensa.com main page is 2.6 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 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 43.3 kB

  • Original 54.2 kB
  • After minification 44.3 kB
  • After compression 11.0 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 9.9 kB, which is 18% 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 43.3 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 52.2 kB

  • Original 1.4 MB
  • After minification 1.3 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. Alensa images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 559.5 kB

  • Original 810.2 kB
  • After minification 727.7 kB
  • After compression 250.7 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 559.5 kB or 69% of the original size.

CSS Optimization

-86%

Potential reduce by 277.8 kB

  • Original 323.3 kB
  • After minification 273.3 kB
  • After compression 45.5 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. Alensa.com needs all CSS files to be minified and compressed as it can save up to 277.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (44%)

Requests Now

91

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alensa. 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 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

alensa.com

alensa.com

987 ms

css

css

23 ms

bootstrap.min.css

bootstrap.min.css

1007 ms

font-awesome.min.css

font-awesome.min.css

754 ms

font-lineicons.css

font-lineicons.css

710 ms

animate.css

animate.css

982 ms

toastr.min.css

toastr.min.css

730 ms

style.css

style.css

1321 ms

simpletextrotator.css

simpletextrotator.css

1424 ms

magnific-popup.css

magnific-popup.css

1353 ms

owl.carousel.css

owl.carousel.css

1539 ms

jquery-2.1.0.min.js

jquery-2.1.0.min.js

3133 ms

challenge

challenge

42 ms

bootstrap.min.js

bootstrap.min.js

1555 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

1720 ms

jquery.nav.js

jquery.nav.js

1764 ms

jquery.appear.js

jquery.appear.js

1818 ms

jquery.plugin.js

jquery.plugin.js

1905 ms

jquery.countdown.js

jquery.countdown.js

2185 ms

waypoints.min.js

waypoints.min.js

2416 ms

waypoints-sticky.min.js

waypoints-sticky.min.js

2406 ms

jquery.validate.js

jquery.validate.js

2510 ms

toastr.min.js

toastr.min.js

2573 ms

headhesive.min.js

headhesive.min.js

2844 ms

scripts.js

scripts.js

3188 ms

jquery.simple-text-rotator.js

jquery.simple-text-rotator.js

3065 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

3180 ms

fotorama.js

fotorama.js

3236 ms

jquery.parallax-1.1.3.js

jquery.parallax-1.1.3.js

3536 ms

owl.carousel.min.js

owl.carousel.min.js

3651 ms

conversion_async.js

conversion_async.js

17 ms

conversion.js

conversion.js

18 ms

analytics.js

analytics.js

111 ms

rich_features_2.png

rich_features_2.png

5633 ms

loading.gif

loading.gif

911 ms

alensa-logo-white-138x40.png

alensa-logo-white-138x40.png

642 ms

lead-bcg.jpg

lead-bcg.jpg

1137 ms

overlay-pattern.png

overlay-pattern.png

1069 ms

shuterstock-slide.jpg

shuterstock-slide.jpg

1515 ms

ebay-slide.jpg

ebay-slide.jpg

1611 ms

tmobile-slide.jpg

tmobile-slide.jpg

1582 ms

ebay.png

ebay.png

1531 ms

toyota.png

toyota.png

1378 ms

elle-2.png

elle-2.png

1833 ms

tmobile.jpg

tmobile.jpg

1998 ms

shuterstock-logo.jpg

shuterstock-logo.jpg

2165 ms

reweel1.png

reweel1.png

1840 ms

vol.png

vol.png

2231 ms

afi11.png

afi11.png

2219 ms

clariness1.png

clariness1.png

2523 ms

dba1.png

dba1.png

2520 ms

ippolita.png

ippolita.png

2606 ms

skoda.png

skoda.png

2771 ms

alfa.png

alfa.png

2526 ms

jeep.png

jeep.png

2842 ms

audi.png

audi.png

3145 ms

lexus.png

lexus.png

2834 ms

dukati.png

dukati.png

3150 ms

lagardere.png

lagardere.png

3209 ms

plukka.png

plukka.png

3418 ms

ninewest.png

ninewest.png

3440 ms

publ.png

publ.png

3446 ms

maxus.png

maxus.png

3765 ms

mediacom.png

mediacom.png

3690 ms

KT3KS9Aol4WfR6Vas8kNcg.woff

KT3KS9Aol4WfR6Vas8kNcg.woff

16 ms

boeCNmOCCh-EWFLSfVffDg.woff

boeCNmOCCh-EWFLSfVffDg.woff

16 ms

9k-RPmcnxYEPm8CNFsH2gg.woff

9k-RPmcnxYEPm8CNFsH2gg.woff

27 ms

wkfQbvfT_02e2IWO3yYueQ.woff

wkfQbvfT_02e2IWO3yYueQ.woff

26 ms

collect

collect

78 ms

recaptcha.js

recaptcha.js

12 ms

fdNPhfiab-XXWFZC4cs1ZwRW1YVuobzzx0F9p6k9YN8.js

fdNPhfiab-XXWFZC4cs1ZwRW1YVuobzzx0F9p6k9YN8.js

49 ms

collect

collect

80 ms

line-icons.woff

line-icons.woff

3827 ms

refresh.gif

refresh.gif

27 ms

audio.gif

audio.gif

8 ms

text.gif

text.gif

9 ms

help.gif

help.gif

10 ms

sprite.png

sprite.png

6 ms

fashion.png

fashion.png

3449 ms

cole.png

cole.png

3861 ms

reload

reload

30 ms

pixmania.png

pixmania.png

3773 ms

dos_captcha.jpg

dos_captcha.jpg

6 ms

slide-32.jpg

slide-32.jpg

3864 ms

quotes-a-white.png

quotes-a-white.png

3572 ms

143 ms

quotes-b-white.png

quotes-b-white.png

3580 ms

WebDevelopmentBlock.jpg

WebDevelopmentBlock.jpg

4023 ms

38 ms

MobileDevelopmentBlock.jpg

MobileDevelopmentBlock.jpg

3803 ms

NearShoreBlock.jpg

NearShoreBlock.jpg

3866 ms

pieere.jpg

pieere.jpg

3574 ms

kevin.jpg

kevin.jpg

3464 ms

leon.jpg

leon.jpg

3944 ms

joanne.jpg

joanne.jpg

3926 ms

contact-bcg.jpg

contact-bcg.jpg

4203 ms

slide-left.svg

slide-left.svg

3803 ms

slide-right.svg

slide-right.svg

3788 ms

inspectlet.js

inspectlet.js

8 ms

Accessibility Review

alensa.com accessibility score

85

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Best Practices

alensa.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

alensa.com SEO score

87

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alensa.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Alensa.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.

Social Sharing Optimization

alensa.com

Open Graph data is detected on the main page of Alensa. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: