Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

bolt.com

Bolt | Shockingly Simple Shopping

Page Load Speed

658 ms in total

First Response

90 ms

Resources Loaded

421 ms

Page Rendered

147 ms

bolt.com screenshot

About Website

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

Bolt powers frictionless experiences for retailers and customers at every step of the shopping journey—from login to checkout.

Visit bolt.com

Key Findings

We analyzed Bolt.com page load time and found that the first response time was 90 ms and then it took 568 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

bolt.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value17.2 s

0/100

10%

TBT (Total Blocking Time)

Value30,750 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.069

96/100

15%

TTI (Time to Interactive)

Value44.9 s

0/100

10%

Network Requests Diagram

bolt.com

90 ms

main.css

13 ms

bundle.js

25 ms

analytics.js

72 ms

noise.png

66 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 86% of them (6 requests) were addressed to the original Bolt.com, 14% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (90 ms) belongs to the original domain Bolt.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 162.8 kB (61%)

Content Size

265.3 kB

After Optimization

102.6 kB

In fact, the total size of Bolt.com main page is 265.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 220.9 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 3.0 kB

  • Original 4.4 kB
  • After minification 4.3 kB
  • After compression 1.4 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 3.0 kB or 69% of the original size.

Image Optimization

-42%

Potential reduce by 17.0 kB

  • Original 40.0 kB
  • After minification 23.1 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. Obviously, Bolt needs image optimization as it can save up to 17.0 kB or 42% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 142.8 kB

  • Original 220.9 kB
  • After minification 220.2 kB
  • After compression 78.1 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 142.8 kB or 65% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bolt. According to our analytics all requests are already optimized.

Accessibility Review

bolt.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

bolt.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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

bolt.com SEO score

100

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

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 Bolt.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 Bolt.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 Bolt. 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: