Tools & Wizards About Us
cambridgeoptics.com screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

cambridgeoptics.com

Europe’s leading specialist magnifier suppliers & designers

Page Load Speed

3.9 sec in total

First Response

890 ms

Resources Loaded

1.9 sec

Page Rendered

1.2 sec

cambridgeoptics.com screenshot

About Website

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

See the largest range of long reach magnifiers, desk stand magnifiers, digital magnifiers, reading aids, forensic imaging, microscopes and lenses. For industrial, domestic, medical and research use

Visit cambridgeoptics.com

Key Findings

We analyzed Cambridgeoptics.com page load time and found that the first response time was 890 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

cambridgeoptics.com performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value780 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

index.asp

890 ms

splide.min.css

45 ms

base.css

41 ms

buttons.css

49 ms

style.css

59 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Cambridgeoptics.com, 44% (26 requests) were made to Files.ekmcdn.com and 19% (11 requests) were made to 5.cdn.ekm.net. The less responsive or slowest element that took the longest time to load (890 ms) belongs to the original domain Cambridgeoptics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 116.5 kB (9%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cambridgeoptics.com main page is 1.3 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. 50% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 98.3 kB

  • Original 122.1 kB
  • After minification 108.0 kB
  • After compression 23.8 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 14.1 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 98.3 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 13.9 kB

  • Original 1.0 MB
  • After minification 1.0 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. Cambridgeoptics images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.1 kB

  • Original 90.9 kB
  • After minification 90.9 kB
  • After compression 89.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-6%

Potential reduce by 3.3 kB

  • Original 51.8 kB
  • After minification 51.7 kB
  • After compression 48.6 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. Cambridgeoptics.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (43%)

Requests Now

58

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cambridgeoptics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

index.asp

index.asp

890 ms

splide.min.css

splide.min.css

45 ms

base.css

base.css

41 ms

buttons.css

buttons.css

49 ms

style.css

style.css

59 ms

blog_post.css

blog_post.css

50 ms

newsletter.css

newsletter.css

52 ms

css2

css2

95 ms

shopui.css

shopui.css

118 ms

c80c4178-becb-4eeb-98a9-86fd95725b8a.js

c80c4178-becb-4eeb-98a9-86fd95725b8a.js

368 ms

js

js

91 ms

showdata-thumbnailhover.min.js

showdata-thumbnailhover.min.js

36 ms

showdata-thumbnailhover.css

showdata-thumbnailhover.css

38 ms

upsell-splide-init.min.js

upsell-splide-init.min.js

40 ms

softcart.min.css

softcart.min.css

44 ms

softcart.min.js

softcart.min.js

44 ms

historytracker.js

historytracker.js

43 ms

productimagebadge.css

productimagebadge.css

44 ms

productimagebadge.min.js

productimagebadge.min.js

40 ms

splide.min.js

splide.min.js

36 ms

scripts.js

scripts.js

44 ms

shopui.js

shopui.js

124 ms

stats-global.js

stats-global.js

452 ms

css

css

17 ms

gtm.js

gtm.js

49 ms

fa-safe.css

fa-safe.css

95 ms

image-20220414185216536.png

image-20220414185216536.png

57 ms

card-usp.svg

card-usp.svg

38 ms

Cambridge_Optics_Lens_Diagram4_Logo_1649249173.png

Cambridge_Optics_Lens_Diagram4_Logo_1649249173.png

51 ms

Cambridge_Optics_World2_1649249753.png

Cambridge_Optics_World2_1649249753.png

54 ms

Cambridge_Optics_Tested_Logo_1649250470.png

Cambridge_Optics_Tested_Logo_1649250470.png

54 ms

CO1015_Graphic_1649932103.png

CO1015_Graphic_1649932103.png

57 ms

Eschenbach_CombiPLUS_2.8X_1649932861.png

Eschenbach_CombiPLUS_2.8X_1649932861.png

56 ms

Otsuka_Graphics_1649933354.png

Otsuka_Graphics_1649933354.png

57 ms

loading.png

loading.png

36 ms

magnifiers-10-c.png

magnifiers-10-c.png

31 ms

mastercard.png

mastercard.png

23 ms

microscopes-accessories-18-c.png

microscopes-accessories-18-c.png

20 ms

forensics-borderforce-17-c.png

forensics-borderforce-17-c.png

21 ms

measurement-calibration-21-c.png

measurement-calibration-21-c.png

20 ms

binoculars-scopes-trap-cameras-19-c.png

binoculars-scopes-trap-cameras-19-c.png

22 ms

brands-32-c.png

brands-32-c.png

20 ms

Table_Mounted_Magnifiers_Category_Image_700x300_1649682102.png

Table_Mounted_Magnifiers_Category_Image_700x300_1649682102.png

22 ms

Floor_Mounted_Magnifiers_Category_Image_350x250_1649683506.png

Floor_Mounted_Magnifiers_Category_Image_350x250_1649683506.png

22 ms

Hand_Held_Magnifiers_Category_Image350x250_1649684707.png

Hand_Held_Magnifiers_Category_Image350x250_1649684707.png

23 ms

Hands_Free_On_Page_Magnifiers_Category_Image_350x250__1649690928.png

Hands_Free_On_Page_Magnifiers_Category_Image_350x250__1649690928.png

24 ms

Accessories_Category_Image350x250_1649700184.png

Accessories_Category_Image350x250_1649700184.png

24 ms

Microscopes,_Binoculars,_Measurement_Category_Image350x250_1649692302.png

Microscopes,_Binoculars,_Measurement_Category_Image350x250_1649692302.png

23 ms

Cambridge_Optics_150x120_1649697377.png

Cambridge_Optics_150x120_1649697377.png

22 ms

Otsuka_1649697422.png

Otsuka_1649697422.png

24 ms

zeiss_1649697714.png

zeiss_1649697714.png

25 ms

eschenbach_logo_1649697889.png

eschenbach_logo_1649697889.png

23 ms

GT_Vision_GXM_Logo_Grey_on_Red_Cicle_and_Clear_1659520966.JPG

GT_Vision_GXM_Logo_Grey_on_Red_Cicle_and_Clear_1659520966.JPG

450 ms

ACO_Electronics_1649699140.PNG

ACO_Electronics_1649699140.PNG

440 ms

CO_About_Us_W500_1674214857.png

CO_About_Us_W500_1674214857.png

24 ms

visa.png

visa.png

19 ms

paypal.png

paypal.png

20 ms

main1.min.js

main1.min.js

11 ms

3.3.0.js

3.3.0.js

27 ms

Accessibility Review

cambridgeoptics.com accessibility score

94

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

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

Links do not have a discernible name

Best Practices

cambridgeoptics.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

cambridgeoptics.com SEO score

86

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

Links do not have descriptive text

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

cambridgeoptics.com

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