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optiver.com screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

optiver.com

Optiver | Leading Global Market Maker

Page Load Speed

2.5 sec in total

First Response

188 ms

Resources Loaded

1.3 sec

Page Rendered

957 ms

optiver.com screenshot

About Website

Welcome to optiver.com homepage info - get ready to check Optiver best content for United States right away, or after learning these important things about optiver.com

As a global market maker, Optiver works to make the world's markets fairer, more transparent and more efficient for everyone.

Visit optiver.com

Key Findings

We analyzed Optiver.com page load time and found that the first response time was 188 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

optiver.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value6,120 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value23.7 s

1/100

10%

Network Requests Diagram

optiver.com

188 ms

optiver.com

189 ms

style.min.css

49 ms

ctf-styles.min.css

53 ms

main.css

61 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 73% of them (41 requests) were addressed to the original Optiver.com, 5% (3 requests) were made to Googletagmanager.com and 4% (2 requests) were made to Cdn.iubenda.com. The less responsive or slowest element that took the longest time to load (490 ms) belongs to the original domain Optiver.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 140.4 kB (3%)

Content Size

4.9 MB

After Optimization

4.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Optiver.com main page is 4.9 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. Only a small number of websites need less resources to load. Images take 4.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 133.5 kB

  • Original 165.4 kB
  • After minification 165.2 kB
  • After compression 31.9 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 133.5 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 1.1 kB

  • Original 4.2 MB
  • After minification 4.2 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. Optiver images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 856 B

  • Original 495.2 kB
  • After minification 495.2 kB
  • After compression 494.3 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

-7%

Potential reduce by 5.0 kB

  • Original 77.0 kB
  • After minification 77.0 kB
  • After compression 72.0 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. Optiver.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (51%)

Requests Now

51

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optiver. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

optiver.com

optiver.com

188 ms

optiver.com

optiver.com

189 ms

style.min.css

style.min.css

49 ms

ctf-styles.min.css

ctf-styles.min.css

53 ms

main.css

main.css

61 ms

search-forms.css

search-forms.css

58 ms

stub.js

stub.js

60 ms

iubenda_cs.js

iubenda_cs.js

95 ms

analytics-talk-content-tracking.js

analytics-talk-content-tracking.js

97 ms

jquery.min.js

jquery.min.js

97 ms

jquery-migrate.min.js

jquery-migrate.min.js

112 ms

v2.js

v2.js

93 ms

select2.min.js

select2.min.js

190 ms

alpine.js

alpine.js

204 ms

vertical-slider.js

vertical-slider.js

201 ms

faq.js

faq.js

224 ms

jquery.scrollTo.min.js

jquery.scrollTo.min.js

225 ms

slider.js

slider.js

227 ms

main.js

main.js

316 ms

script.min.js

script.min.js

225 ms

lazyload.min.js

lazyload.min.js

321 ms

gtm.js

gtm.js

212 ms

ctf-sprite.png

ctf-sprite.png

263 ms

insights-thumbnail.jpg

insights-thumbnail.jpg

134 ms

Century%20Expanded%20Regular.otf

Century%20Expanded%20Regular.otf

61 ms

Century%20Expanded%20Medium.otf

Century%20Expanded%20Medium.otf

159 ms

Century%20Expanded%20Bold.otf

Century%20Expanded%20Bold.otf

56 ms

Optiver-Lifestyle_745-768x512.jpg

Optiver-Lifestyle_745-768x512.jpg

70 ms

Circle-768x331.png

Circle-768x331.png

203 ms

Lines-and-circles-768x331.png

Lines-and-circles-768x331.png

202 ms

Triangles-768x331.png

Triangles-768x331.png

203 ms

Full-circle-768x331.png

Full-circle-768x331.png

267 ms

recruitment-form-687x768.png

recruitment-form-687x768.png

270 ms

AdobeStock_604288309-scaled.jpeg

AdobeStock_604288309-scaled.jpeg

272 ms

AdobeStock_626180909-scaled.jpeg

AdobeStock_626180909-scaled.jpeg

273 ms

AdobeStock_124303993-scaled.jpeg

AdobeStock_124303993-scaled.jpeg

273 ms

AdobeStock_644719739-scaled.jpeg

AdobeStock_644719739-scaled.jpeg

271 ms

AdobeStock_46228753-scaled.jpeg

AdobeStock_46228753-scaled.jpeg

325 ms

AdobeStock_608207668-scaled.jpeg

AdobeStock_608207668-scaled.jpeg

324 ms

AdobeStock_121021866-scaled.jpeg

AdobeStock_121021866-scaled.jpeg

380 ms

AdobeStock_329681732-scaled.jpeg

AdobeStock_329681732-scaled.jpeg

365 ms

AdobeStock_605029742-scaled.jpeg

AdobeStock_605029742-scaled.jpeg

374 ms

Electricity-cable-scaled.jpeg

Electricity-cable-scaled.jpeg

490 ms

AdobeStock_245499860-Medium.jpeg

AdobeStock_245499860-Medium.jpeg

327 ms

Insights-form-687x768.png

Insights-form-687x768.png

437 ms

pixel.js

pixel.js

146 ms

destination

destination

89 ms

bat.js

bat.js

143 ms

js

js

138 ms

fbevents.js

fbevents.js

202 ms

stat.js

stat.js

205 ms

rp.gif

rp.gif

113 ms

t2_xt0fq_telemetry

t2_xt0fq_telemetry

108 ms

rp.gif

rp.gif

63 ms

52014608.js

52014608.js

58 ms

52014608

52014608

215 ms

Accessibility Review

optiver.com accessibility score

75

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

Image elements do not have [alt] attributes

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.

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 IDs are not unique

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

optiver.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

Missing source maps for large first-party JavaScript

SEO Factors

optiver.com SEO score

79

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

High

Image elements do not have [alt] attributes

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 Optiver.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 Optiver.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

optiver.com

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