Tools & Wizards About Us

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

useragentstrings.com

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Page Load Speed

3 sec in total

First Response

208 ms

Resources Loaded

2.8 sec

Page Rendered

59 ms

About Website

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Visit useragentstrings.com

Key Findings

We analyzed Useragentstrings.com page load time and found that the first response time was 208 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

useragentstrings.com performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value13.4 s

2/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.103

89/100

15%

TTI (Time to Interactive)

Value13.1 s

12/100

10%

Network Requests Diagram

useragentstrings.com

208 ms

www.useragentstrings.com

340 ms

reset.css

66 ms

iconfont.css

130 ms

animate.css

194 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 98% of them (123 requests) were addressed to the original Useragentstrings.com, 2% (2 requests) were made to K8046.com and 1% (1 request) were made to Sdk.51.la. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Useragentstrings.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 463.3 kB (3%)

Content Size

13.6 MB

After Optimization

13.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Useragentstrings.com main page is 13.6 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. 70% of websites need less resources to load. Images take 13.4 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 106.6 kB

  • Original 116.0 kB
  • After minification 45.1 kB
  • After compression 9.4 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. This page needs HTML code to be minified as it can gain 70.9 kB, which is 61% 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 106.6 kB or 92% of the original size.

Image Optimization

-3%

Potential reduce by 346.7 kB

  • Original 13.4 MB
  • After minification 13.1 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. Useragentstrings images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 736 B

  • Original 15.0 kB
  • After minification 15.0 kB
  • After compression 14.3 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

-37%

Potential reduce by 9.3 kB

  • Original 24.8 kB
  • After minification 21.9 kB
  • After compression 15.6 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. Useragentstrings.com needs all CSS files to be minified and compressed as it can save up to 9.3 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (6%)

Requests Now

124

After Optimization

117

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 124 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Useragentstrings. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

useragentstrings.com accessibility score

66

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

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

useragentstrings.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

useragentstrings.com SEO score

83

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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Useragentstrings.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Useragentstrings.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

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