Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

altraliterature.com

Literature | Catalogs | Brochures | Service Manuals |

Page Load Speed

779 ms in total

First Response

44 ms

Resources Loaded

597 ms

Page Rendered

138 ms

About Website

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

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Key Findings

We analyzed Altraliterature.com page load time and found that the first response time was 44 ms and then it took 735 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

altraliterature.com performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value5.5 s

70/100

10%

Network Requests Diagram

altraliterature.com

44 ms

www.altraliterature.com

196 ms

jcarousel.responsive.css

16 ms

bootstrap.css

29 ms

master.css

40 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 88% of them (44 requests) were addressed to the original Altraliterature.com, 4% (2 requests) were made to Google-analytics.com and 4% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (205 ms) belongs to the original domain Altraliterature.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 90.8 kB (37%)

Content Size

248.5 kB

After Optimization

157.7 kB

In fact, the total size of Altraliterature.com main page is 248.5 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. 30% of websites need less resources to load. Javascripts take 120.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 45.3 kB

  • Original 60.6 kB
  • After minification 44.6 kB
  • After compression 15.3 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 16.0 kB, which is 26% 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 45.3 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 81 B

  • Original 22.3 kB
  • After minification 22.2 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. Altra Literature images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 40.2 kB

  • Original 120.6 kB
  • After minification 120.6 kB
  • After compression 80.4 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 40.2 kB or 33% of the original size.

CSS Optimization

-12%

Potential reduce by 5.3 kB

  • Original 45.1 kB
  • After minification 45.1 kB
  • After compression 39.8 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. Altraliterature.com needs all CSS files to be minified and compressed as it can save up to 5.3 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (88%)

Requests Now

43

After Optimization

5

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Altra Literature. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

altraliterature.com accessibility score

62

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

altraliterature.com best practices score

67

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

Browser errors were logged to the console

SEO Factors

altraliterature.com SEO score

75

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

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Altraliterature.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 Altraliterature.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 Altra Literature. 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: