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stak.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 69

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 46

    SEO

    Google-friendlier than
    18% of websites

stak.com

Stak - Stak Trading

Page Load Speed

6.8 sec in total

First Response

1.9 sec

Resources Loaded

4.7 sec

Page Rendered

185 ms

stak.com screenshot

About Website

Click here to check amazing Stak content for United Kingdom. Otherwise, check out these important facts you probably never knew about stak.com

Visit stak.com

Key Findings

We analyzed Stak.com page load time and found that the first response time was 1.9 sec and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

stak.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.0 s

2/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.041

99/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

stak.com

1871 ms

stak.com

936 ms

generated.css

206 ms

jquery-1.7.1.min.js

416 ms

jquery-ui-1.8.16.custom.min.js

825 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 97% of them (69 requests) were addressed to the original Stak.com, 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Stak.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 489.8 kB (49%)

Content Size

1.0 MB

After Optimization

516.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stak.com main page is 1.0 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. 45% of websites need less resources to load. Javascripts take 417.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 55.5 kB

  • Original 66.3 kB
  • After minification 52.3 kB
  • After compression 10.8 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 14.0 kB, which is 21% 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 55.5 kB or 84% of the original size.

Image Optimization

-10%

Potential reduce by 42.4 kB

  • Original 412.1 kB
  • After minification 369.7 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. Stak images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 296.9 kB

  • Original 417.7 kB
  • After minification 374.7 kB
  • After compression 120.8 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 296.9 kB or 71% of the original size.

CSS Optimization

-87%

Potential reduce by 95.0 kB

  • Original 109.8 kB
  • After minification 84.1 kB
  • After compression 14.8 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. Stak.com needs all CSS files to be minified and compressed as it can save up to 95.0 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (38%)

Requests Now

69

After Optimization

43

  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stak. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

stak.com

stak.com

1871 ms

stak.com

stak.com

936 ms

generated.css

generated.css

206 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

416 ms

jquery-ui-1.8.16.custom.min.js

jquery-ui-1.8.16.custom.min.js

825 ms

jquery-ui-1.8.16.custom.css

jquery-ui-1.8.16.custom.css

434 ms

jquery.cookie.js

jquery.cookie.js

320 ms

jquery.fancybox-1.3.4.pack.js

jquery.fancybox-1.3.4.pack.js

432 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

318 ms

jquery.anythingzoomer.js

jquery.anythingzoomer.js

433 ms

anythingzoomer.css

anythingzoomer.css

433 ms

jquery.imagesloaded.js

jquery.imagesloaded.js

516 ms

jquery.dotdotdot.js

jquery.dotdotdot.js

520 ms

jquery.retina.js

jquery.retina.js

522 ms

tabs.js

tabs.js

521 ms

common.js

common.js

521 ms

jquery.cycle.js

jquery.cycle.js

617 ms

jquery.jcarousel.min.js

jquery.jcarousel.min.js

721 ms

ga.js

ga.js

34 ms

stak-logo.png

stak-logo.png

181 ms

cart_icon.gif

cart_icon.gif

184 ms

tick.png

tick.png

183 ms

facebook-44.png

facebook-44.png

184 ms

twitter-44.png

twitter-44.png

183 ms

stak-special-banner-450x96.png

stak-special-banner-450x96.png

180 ms

electronics-180x360.png

electronics-180x360.png

213 ms

Electronics1-180x360.png

Electronics1-180x360.png

318 ms

Electronics2-180x360.png

Electronics2-180x360.png

319 ms

wago-180x200.png

wago-180x200.png

217 ms

repair-560x240.png

repair-560x240.png

216 ms

222527-100x100.png

222527-100x100.png

213 ms

240570-100x100.png

240570-100x100.png

304 ms

239787-100x100.png

239787-100x100.png

317 ms

240569-100x100.jpg

240569-100x100.jpg

319 ms

227809-120x120.jpg

227809-120x120.jpg

320 ms

235889-120x120.jpg

235889-120x120.jpg

405 ms

228319-120x120.png

228319-120x120.png

418 ms

232386-120x120.png

232386-120x120.png

418 ms

232020-120x120.png

232020-120x120.png

418 ms

242878-120x120.jpg

242878-120x120.jpg

418 ms

238627-120x120.png

238627-120x120.png

419 ms

236646-120x120.jpg

236646-120x120.jpg

506 ms

235455-120x120.png

235455-120x120.png

520 ms

239797-120x120.jpg

239797-120x120.jpg

518 ms

247354-80x80.png

247354-80x80.png

518 ms

247364-80x80.png

247364-80x80.png

518 ms

247355-80x80.png

247355-80x80.png

520 ms

247365-80x80.png

247365-80x80.png

606 ms

247356-80x80.png

247356-80x80.png

619 ms

247369-80x80.png

247369-80x80.png

620 ms

247371-80x80.png

247371-80x80.png

620 ms

247357-80x80.png

247357-80x80.png

621 ms

247370-80x80.png

247370-80x80.png

621 ms

247358-80x80.png

247358-80x80.png

708 ms

facebook-32.png

facebook-32.png

716 ms

__utm.gif

__utm.gif

49 ms

twitter-32.png

twitter-32.png

551 ms

error.png

error.png

549 ms

search_bg.gif

search_bg.gif

551 ms

btn_go.gif

btn_go.gif

550 ms

arrow-down.png

arrow-down.png

635 ms

button-left.png

button-left.png

621 ms

button-right.png

button-right.png

619 ms

cats-back.png

cats-back.png

616 ms

nav_spacer.gif

nav_spacer.gif

616 ms

links-back.png

links-back.png

615 ms

arrow-bullet.png

arrow-bullet.png

613 ms

button-previous.png

button-previous.png

616 ms

button-next.png

button-next.png

616 ms

footer-back.png

footer-back.png

617 ms

print.css

print.css

105 ms

Accessibility Review

stak.com accessibility score

56

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

stak.com best practices score

69

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

SEO Factors

stak.com SEO score

46

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

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stak.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 Stak.com main page’s claimed encoding is . 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

stak.com

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