Tools & Wizards About Us
onslows.com screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

onslows.com

Onslows Estate Agents in Chelsea, London – Property Sales & Lettings in London

Page Load Speed

3.6 sec in total

First Response

29 ms

Resources Loaded

3.1 sec

Page Rendered

403 ms

onslows.com screenshot

About Website

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

Visit onslows.com

Key Findings

We analyzed Onslows.com page load time and found that the first response time was 29 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

onslows.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value880 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.139

79/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

onslows.com

29 ms

onslows.com

1842 ms

clarks.css

253 ms

flexslider.css

258 ms

flexslider-clarks.css

262 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 81% of them (86 requests) were addressed to the original Onslows.com, 12% (13 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Onslows.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (49%)

Content Size

2.9 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Onslows.com main page is 2.9 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 870.1 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 540.2 kB

  • Original 816.1 kB
  • After minification 812.1 kB
  • After compression 275.9 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 540.2 kB or 66% of the original size.

Image Optimization

-0%

Potential reduce by 617 B

  • Original 870.1 kB
  • After minification 869.5 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. Onslows images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 519.7 kB

  • Original 790.5 kB
  • After minification 702.4 kB
  • After compression 270.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 519.7 kB or 66% of the original size.

CSS Optimization

-82%

Potential reduce by 374.5 kB

  • Original 457.5 kB
  • After minification 446.5 kB
  • After compression 83.0 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. Onslows.com needs all CSS files to be minified and compressed as it can save up to 374.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 73 (82%)

Requests Now

89

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Onslows. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 42 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

onslows.com

onslows.com

29 ms

onslows.com

onslows.com

1842 ms

clarks.css

clarks.css

253 ms

flexslider.css

flexslider.css

258 ms

flexslider-clarks.css

flexslider-clarks.css

262 ms

typeahead.css

typeahead.css

261 ms

font-awesome.min.css

font-awesome.min.css

50 ms

lightbox.min.css

lightbox.min.css

256 ms

front.min.css

front.min.css

334 ms

jquery.multiselect.css

jquery.multiselect.css

341 ms

propertyhive.css

propertyhive.css

343 ms

style.css

style.css

502 ms

css

css

49 ms

frontend.min.css

frontend.min.css

499 ms

widget-image.min.css

widget-image.min.css

395 ms

e-animation-skew.min.css

e-animation-skew.min.css

415 ms

widget-text-editor.min.css

widget-text-editor.min.css

424 ms

widget-heading.min.css

widget-heading.min.css

423 ms

widget-nav-menu.min.css

widget-nav-menu.min.css

478 ms

widget-icon-list.min.css

widget-icon-list.min.css

496 ms

elementor-icons.min.css

elementor-icons.min.css

505 ms

swiper.min.css

swiper.min.css

584 ms

e-swiper.min.css

e-swiper.min.css

560 ms

post-5.css

post-5.css

577 ms

frontend.min.css

frontend.min.css

578 ms

fadeInDown.min.css

fadeInDown.min.css

579 ms

fadeInUp.min.css

fadeInUp.min.css

586 ms

widget-spacer.min.css

widget-spacer.min.css

641 ms

fadeInLeft.min.css

fadeInLeft.min.css

659 ms

widget-icon-box.min.css

widget-icon-box.min.css

660 ms

widget-loop-builder.min.css

widget-loop-builder.min.css

661 ms

post-134776.css

post-134776.css

664 ms

post-30.css

post-30.css

666 ms

style.min.css

style.min.css

723 ms

font-awesome.min.css

font-awesome.min.css

818 ms

post-56.css

post-56.css

741 ms

propertyhive.css

propertyhive.css

742 ms

css

css

63 ms

fontawesome.min.css

fontawesome.min.css

824 ms

solid.min.css

solid.min.css

748 ms

js

js

87 ms

jquery.min.js

jquery.min.js

559 ms

jquery-migrate.min.js

jquery-migrate.min.js

572 ms

front.min.js

front.min.js

572 ms

purify.min.js

purify.min.js

606 ms

post-6765.css

post-6765.css

638 ms

css

css

23 ms

js

js

87 ms

markerclusterer.js

markerclusterer.js

262 ms

e-animation-shrink.min.css

e-animation-shrink.min.css

637 ms

slideInDown.min.css

slideInDown.min.css

622 ms

clarks.js

clarks.js

625 ms

infobox.js

infobox.js

623 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

569 ms

jquery.lazy.min.js

jquery.lazy.min.js

568 ms

handlebars.js

handlebars.js

661 ms

typeahead.bundle.min.js

typeahead.bundle.min.js

576 ms

lightbox.min.js

lightbox.min.js

519 ms

search.js

search.js

503 ms

make-enquiry.js

make-enquiry.js

517 ms

navigation.min.js

navigation.min.js

565 ms

skip-link-focus-fix.min.js

skip-link-focus-fix.min.js

591 ms

jquery.sticky.min.js

jquery.sticky.min.js

537 ms

jquery.smartmenus.min.js

jquery.smartmenus.min.js

520 ms

jquery.matchHeight-min.js

jquery.matchHeight-min.js

519 ms

webpack.runtime.min.js

webpack.runtime.min.js

561 ms

frontend-modules.min.js

frontend-modules.min.js

565 ms

core.min.js

core.min.js

570 ms

frontend.min.js

frontend.min.js

516 ms

extension-equal-height.min.js

extension-equal-height.min.js

498 ms

imagesloaded.min.js

imagesloaded.min.js

516 ms

happy-addons.min.js

happy-addons.min.js

558 ms

webpack-pro.runtime.min.js

webpack-pro.runtime.min.js

567 ms

hooks.min.js

hooks.min.js

569 ms

i18n.min.js

i18n.min.js

512 ms

frontend.min.js

frontend.min.js

495 ms

elements-handlers.min.js

elements-handlers.min.js

517 ms

onslows-white.svg

onslows-white.svg

398 ms

estate-agents-in-chelsea-london.jpg

estate-agents-in-chelsea-london.jpg

493 ms

ONS1002513-1024x682.jpg

ONS1002513-1024x682.jpg

415 ms

ONS1002506-1024x682.jpg

ONS1002506-1024x682.jpg

417 ms

ONS1002505-1024x682.jpg

ONS1002505-1024x682.jpg

495 ms

ONS1002504-1024x682.jpg

ONS1002504-1024x682.jpg

516 ms

ONS1002503-1-1024x682.jpg

ONS1002503-1-1024x682.jpg

437 ms

ONS1002503-1024x682.jpg

ONS1002503-1024x682.jpg

452 ms

onslows-icon-blue.svg

onslows-icon-blue.svg

445 ms

menu.svg

menu.svg

507 ms

6xK3dSBYKcSV-LCoeQqfX1RYOo3qNq7g.ttf

6xK3dSBYKcSV-LCoeQqfX1RYOo3qNq7g.ttf

25 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3ik4zwmRdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3ik4zwmRdr.ttf

52 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vwmRdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vwmRdr.ttf

62 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3iu4nwmRdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3iu4nwmRdr.ttf

63 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDFwmdTQ3ig.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDFwmdTQ3ig.ttf

63 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDDsmdTQ3ig.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDDsmdTQ3ig.ttf

64 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDBImdTQ3ig.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDBImdTQ3ig.ttf

63 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDGUmdTQ3ig.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDGUmdTQ3ig.ttf

62 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDIkhdTQ3ig.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDIkhdTQ3ig.ttf

62 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDLshdTQ3ig.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDLshdTQ3ig.ttf

93 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDOUhdTQ3ig.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDOUhdTQ3ig.ttf

91 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDDshdTQ3ig.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDDshdTQ3ig.ttf

93 ms

YA9Ur0yU4l_XOrogbkun3kQQsJms.ttf

YA9Ur0yU4l_XOrogbkun3kQQsJms.ttf

92 ms

fa-solid-900.woff

fa-solid-900.woff

518 ms

eicons.woff

eicons.woff

598 ms

prev.png

prev.png

217 ms

next.png

next.png

216 ms

loading.gif

loading.gif

244 ms

close.png

close.png

271 ms

Accessibility Review

onslows.com accessibility score

87

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

onslows.com best practices score

75

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

onslows.com SEO score

86

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

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 Onslows.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 Onslows.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

onslows.com

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