Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

sierra.com

Sierra: Shop Active & Outdoor Apparel, Footwear & Gear from Top Brands

Page Load Speed

1.2 sec in total

First Response

142 ms

Resources Loaded

550 ms

Page Rendered

459 ms

sierra.com screenshot

About Website

Click here to check amazing Sierra content for United States. Otherwise, check out these important facts you probably never knew about sierra.com

Free Shipping on $89+ orders. Find vast selection, epic brands and teeny tiny prices on everything you need for running, hiking, yoga, biking, camping and more.

Visit sierra.com

Key Findings

We analyzed Sierra.com page load time and found that the first response time was 142 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

sierra.com performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value3,850 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.71

7/100

15%

TTI (Time to Interactive)

Value18.2 s

3/100

10%

Network Requests Diagram

www.sierra.com

142 ms

jquery.js

5 ms

clientlibs-atvi-ui-plugins.css

22 ms

clientlibs-atvi-ui-main.css

25 ms

clientlibs-atvi-ui-plugins.js

32 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 90% of them (26 requests) were addressed to the original Sierra.com, 7% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (142 ms) belongs to the original domain Sierra.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 736.4 kB (38%)

Content Size

1.9 MB

After Optimization

1.2 MB

In fact, the total size of Sierra.com main page is 1.9 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 991.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 28.5 kB

  • Original 36.1 kB
  • After minification 33.6 kB
  • After compression 7.6 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 28.5 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 991.1 kB
  • After minification 991.1 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. Sierra images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 458.6 kB

  • Original 618.7 kB
  • After minification 525.8 kB
  • After compression 160.1 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 458.6 kB or 74% of the original size.

CSS Optimization

-88%

Potential reduce by 249.3 kB

  • Original 283.2 kB
  • After minification 267.1 kB
  • After compression 34.0 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. Sierra.com needs all CSS files to be minified and compressed as it can save up to 249.3 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (18%)

Requests Now

28

After Optimization

23

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sierra. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

sierra.com accessibility score

83

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.

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

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

sierra.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sierra.com SEO score

86

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sierra.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sierra.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 Sierra. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: