Tools & Wizards About Us

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

stdcheck.london

STD Check London: Private Sexual Health Clinic - STI Testing

Page Load Speed

3.7 sec in total

First Response

323 ms

Resources Loaded

2.9 sec

Page Rendered

488 ms

About Website

Click here to check amazing STD Check content. Otherwise, check out these important facts you probably never knew about stdcheck.london

Looking for private sexual health (GUM) clinic in London? We offer same day STD testing & STI screening from £45. Walk-in or book an appointment online.

Visit stdcheck.london

Key Findings

We analyzed Stdcheck.london page load time and found that the first response time was 323 ms and then it took 3.4 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

stdcheck.london performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value1,210 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

stdcheck.london

323 ms

www.stdcheck.london

716 ms

font-awesome.min.css

15 ms

bootstrap.min.css

419 ms

slimmenu.min.css

27 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 55% of them (33 requests) were addressed to the original Stdcheck.london, 15% (9 requests) were made to Fonts.gstatic.com and 8% (5 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (870 ms) belongs to the original domain Stdcheck.london.

Page Optimization Overview & Recommendations

Page size can be reduced by 52.4 kB (13%)

Content Size

418.4 kB

After Optimization

366.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stdcheck.london main page is 418.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 246.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 44.3 kB

  • Original 57.7 kB
  • After minification 52.7 kB
  • After compression 13.4 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 44.3 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 7.2 kB

  • Original 246.0 kB
  • After minification 238.8 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. STD Check images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 177 B

  • Original 79.5 kB
  • After minification 79.5 kB
  • After compression 79.3 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

-2%

Potential reduce by 737 B

  • Original 35.2 kB
  • After minification 35.2 kB
  • After compression 34.5 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. Stdcheck.london has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 34 (71%)

Requests Now

48

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of STD Check. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

stdcheck.london accessibility score

96

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

Best Practices

stdcheck.london 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

stdcheck.london SEO score

92

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

High

Tap targets are not sized appropriately

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 Stdcheck.london 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 Stdcheck.london 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

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