Tools & Wizards About Us

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

runnerslab.com

Runner's Lab: Find the Perfect Running Shoes for You

Page Load Speed

1.9 sec in total

First Response

139 ms

Resources Loaded

832 ms

Page Rendered

950 ms

About Website

Visit runnerslab.com now to see the best up-to-date Runner S Lab content for United States and also check out these interesting facts you probably never knew about runnerslab.com

Runner's Lab is the leading website to help you find the perfect running shoes for you. Reviews, comparisons, and best deals ➡️

Visit runnerslab.com

Key Findings

We analyzed Runnerslab.com page load time and found that the first response time was 139 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

runnerslab.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

77/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value1,110 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.069

96/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

runnerslab.com

139 ms

runnerslab.com

75 ms

ads.min.js

337 ms

style.min.css

21 ms

styles.css

56 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 77% of them (41 requests) were addressed to the original Runnerslab.com, 4% (2 requests) were made to Ads.adthrive.com and 4% (2 requests) were made to Wct-2.com. The less responsive or slowest element that took the longest time to load (392 ms) belongs to the original domain Runnerslab.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 147.0 kB (5%)

Content Size

3.0 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Runnerslab.com main page is 3.0 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. 55% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 140.1 kB

  • Original 182.8 kB
  • After minification 182.1 kB
  • After compression 42.7 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 140.1 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.5 MB
  • After minification 2.5 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. Runner S Lab images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 6.1 kB

  • Original 257.4 kB
  • After minification 257.4 kB
  • After compression 251.3 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

-3%

Potential reduce by 854 B

  • Original 33.9 kB
  • After minification 33.9 kB
  • After compression 33.0 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. Runnerslab.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 32 (63%)

Requests Now

51

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Runner S Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

runnerslab.com accessibility score

98

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.

Best Practices

runnerslab.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

runnerslab.com SEO score

98

Search Engine Optimization Advices

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 Runnerslab.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 Runnerslab.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 data is detected on the main page of Runner S Lab. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: