Tools & Wizards About Us
rothervalleyoptics.co.uk screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

rothervalleyoptics.co.uk

Telescopes, Eyepieces, Filters, Accessories - Rother Valley Optics Ltd

Page Load Speed

4.7 sec in total

First Response

804 ms

Resources Loaded

2.9 sec

Page Rendered

1 sec

rothervalleyoptics.co.uk screenshot

About Website

Click here to check amazing Rother Valley Optics content for United Kingdom. Otherwise, check out these important facts you probably never knew about rothervalleyoptics.co.uk

The best place for a wide range of Astronomical Telescopes, Binoculars, Spotting Scopes & Accessories all at internet prices. Celestron, Skywatcher, Baader

Visit rothervalleyoptics.co.uk

Key Findings

We analyzed Rothervalleyoptics.co.uk page load time and found that the first response time was 804 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

rothervalleyoptics.co.uk performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value29.5 s

0/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value5,380 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.076

95/100

15%

TTI (Time to Interactive)

Value23.1 s

1/100

10%

Network Requests Diagram

www.rothervalleyoptics.co.uk

804 ms

69e0b58ea0fa8440037b65717ad5649b.rothervalley-2019.css.php

162 ms

dae9357400e049f839d1e3b20333f334.jquery.js.php

335 ms

b9486148fab0f4b573fdbb9a8e7de1b2.jqueryui.js.php

389 ms

f0bbc9d77c1bbf2a29a23d32a0144474.rothervalley-2019.functions.js.php

322 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 68% of them (65 requests) were addressed to the original Rothervalleyoptics.co.uk, 6% (6 requests) were made to Google.com and 5% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Rothervalleyoptics.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 327.8 kB (9%)

Content Size

3.8 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rothervalleyoptics.co.uk main page is 3.8 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 81.1 kB

  • Original 99.2 kB
  • After minification 98.9 kB
  • After compression 18.1 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. 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 81.1 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 201.2 kB

  • Original 3.2 MB
  • After minification 3.0 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. Rother Valley Optics images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 45.5 kB

  • Original 444.3 kB
  • After minification 444.3 kB
  • After compression 398.8 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

-0%

Potential reduce by 0 B

  • Original 58.7 kB
  • After minification 58.7 kB
  • After compression 58.7 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. Rothervalleyoptics.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (31%)

Requests Now

90

After Optimization

62

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rother Valley Optics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.rothervalleyoptics.co.uk

www.rothervalleyoptics.co.uk

804 ms

69e0b58ea0fa8440037b65717ad5649b.rothervalley-2019.css.php

69e0b58ea0fa8440037b65717ad5649b.rothervalley-2019.css.php

162 ms

dae9357400e049f839d1e3b20333f334.jquery.js.php

dae9357400e049f839d1e3b20333f334.jquery.js.php

335 ms

b9486148fab0f4b573fdbb9a8e7de1b2.jqueryui.js.php

b9486148fab0f4b573fdbb9a8e7de1b2.jqueryui.js.php

389 ms

f0bbc9d77c1bbf2a29a23d32a0144474.rothervalley-2019.functions.js.php

f0bbc9d77c1bbf2a29a23d32a0144474.rothervalley-2019.functions.js.php

322 ms

css

css

68 ms

js

js

463 ms

klarna.js

klarna.js

53 ms

js

js

80 ms

sdk.js

sdk.js

49 ms

newtestbgd.jpg

newtestbgd.jpg

802 ms

js

js

200 ms

celestronspringbhpromo.jpg

celestronspringbhpromo.jpg

437 ms

trustpilotbannernew.jpg

trustpilotbannernew.jpg

340 ms

dpdblock.jpg

dpdblock.jpg

290 ms

warrantyblocknew.jpg

warrantyblocknew.jpg

290 ms

services-repairs.jpg

services-repairs.jpg

236 ms

price-match.jpg

price-match.jpg

426 ms

homepagebundle1.jpg

homepagebundle1.jpg

343 ms

homepagebundle2.jpg

homepagebundle2.jpg

342 ms

homepagebundle3.jpg

homepagebundle3.jpg

382 ms

homepagebundle4.jpg

homepagebundle4.jpg

384 ms

buyingguidebannner.jpg

buyingguidebannner.jpg

433 ms

RVOH10DOB.jpg

RVOH10DOB.jpg

432 ms

spacerv.gif

spacerv.gif

733 ms

RVOH12DOB.jpg

RVOH12DOB.jpg

733 ms

rvoh6dob.jpg

rvoh6dob.jpg

735 ms

rvoh8dob.jpg

rvoh8dob.jpg

964 ms

spacerh.gif

spacerh.gif

966 ms

web0.jpg

web0.jpg

967 ms

d06f0404-264e-47ee-8f78-722acddb0ef3.jpg

d06f0404-264e-47ee-8f78-722acddb0ef3.jpg

968 ms

150PL1.png

150PL1.png

969 ms

SHbaader1.25.png

SHbaader1.25.png

970 ms

bresser6dob.jpg

bresser6dob.jpg

971 ms

4852190.jpg

4852190.jpg

970 ms

4614505.jpg

4614505.jpg

971 ms

4541009.jpg

4541009.jpg

972 ms

SH5MM.png

SH5MM.png

973 ms

Meadezoom8.png

Meadezoom8.png

973 ms

72335.jpg

72335.jpg

973 ms

72336.jpg

72336.jpg

974 ms

71403.jpg

71403.jpg

975 ms

71401.jpg

71401.jpg

975 ms

e3802fa3-10fe-4859-a21f-b0b66c69c46c.jpg

e3802fa3-10fe-4859-a21f-b0b66c69c46c.jpg

975 ms

OrionSH.png

OrionSH.png

976 ms

d39799cf-b527-42ac-98c7-9c67da594d50.jpg

d39799cf-b527-42ac-98c7-9c67da594d50.jpg

1001 ms

RGB1.25.png

RGB1.25.png

1001 ms

xfbml.customerchat.js

xfbml.customerchat.js

145 ms

yJ-J7ccwPYk

yJ-J7ccwPYk

283 ms

js

js

71 ms

analytics.js

analytics.js

115 ms

jizaRExUiTo99u79D0KEww.woff

jizaRExUiTo99u79D0KEww.woff

116 ms

sdk.js

sdk.js

37 ms

m=bootstrap

m=bootstrap

131 ms

Blueparker-071122.woff

Blueparker-071122.woff

715 ms

79742441-254d-4888-900e-b415f3375756.jpg

79742441-254d-4888-900e-b415f3375756.jpg

714 ms

collect

collect

96 ms

www-player.css

www-player.css

15 ms

www-embed-player.js

www-embed-player.js

55 ms

base.js

base.js

144 ms

92b96b39-e00b-4339-9e78-9a7ecfb16f9e.jpg

92b96b39-e00b-4339-9e78-9a7ecfb16f9e.jpg

668 ms

facebook.png

facebook.png

754 ms

blog.png

blog.png

750 ms

api.js

api.js

91 ms

secured-by-sagepay.png

secured-by-sagepay.png

747 ms

thawte.png

thawte.png

713 ms

pci-compliant.png

pci-compliant.png

710 ms

klarnalogo1.jpg

klarnalogo1.jpg

804 ms

visa.png

visa.png

797 ms

mastercard.png

mastercard.png

794 ms

maestro.png

maestro.png

791 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

14 ms

ad_status.js

ad_status.js

318 ms

paypal.png

paypal.png

495 ms

rothervalleyoptics-logo.jpg

rothervalleyoptics-logo.jpg

495 ms

proxy

proxy

353 ms

mxtTbBhlryF2cIkAezdGpVGDn6_laFF5PR-N71KDL7w.js

mxtTbBhlryF2cIkAezdGpVGDn6_laFF5PR-N71KDL7w.js

260 ms

embed.js

embed.js

130 ms

rothervalleyoptics-phone.jpg

rothervalleyoptics-phone.jpg

274 ms

basketicon.png

basketicon.png

270 ms

delivery.png

delivery.png

271 ms

staff.png

staff.png

273 ms

prices.png

prices.png

272 ms

secure.png

secure.png

275 ms

searchglass.png

searchglass.png

382 ms

select.php

select.php

382 ms

footer-bg.jpg

footer-bg.jpg

381 ms

header-bg.jpg

header-bg.jpg

382 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

68 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

89 ms

id

id

45 ms

m=_b,_tp

m=_b,_tp

15 ms

Create

Create

143 ms

m=Wt6vjf,hhhU8,FCpbqb,ws9Tlc,WhJNk

m=Wt6vjf,hhhU8,FCpbqb,ws9Tlc,WhJNk

122 ms

m=byfTOb,lsjVmc,LEikZe,lwddkf,EFQ78c

m=byfTOb,lsjVmc,LEikZe,lwddkf,EFQ78c

198 ms

Accessibility Review

rothervalleyoptics.co.uk accessibility score

72

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

rothervalleyoptics.co.uk 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

High

Page has valid source maps

SEO Factors

rothervalleyoptics.co.uk SEO score

84

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

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

    N/A

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rothervalleyoptics.co.uk can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Rothervalleyoptics.co.uk main page’s claimed encoding is iso-8859-1. 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

rothervalleyoptics.co.uk

Open Graph description is not detected on the main page of Rother Valley Optics. 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: