Web Almanac

2020

HTTP Archive's annual
state of the web report

Part II: 
User Experience

SEO

Goal: Identify and assess main elements and configurations that play a role in a website's organic search optimization.

7. SEO

Presence of 
H elements

H1: ~ 65%
H2: ~ 70%
H3: ~ 61%
H4: ~ 37%

99%

of web pages have a title tag with a median length of six words.

Missing            attributes

We found that the median page contains            
attributes 
on only 51.22%
of their images.

 alt 

 alt

Accessibility

In 2020, due to the ongoing pandemic, it’s become increasingly urgent for digital spaces to be inclusive and accessible to all.

8. Accessibility

Number of sites with sufficient color contrast.

21.06%

15,357,625


of all pages play videos by default. A significant barrier for disabled users.

The longest            text found

characters

~55%

alt

Performance

In this chapter, we will be looking at real-world performance data provided by the Chrome User Experience Report (CrUX).

9. Performance

Largest Contentful
Paint (LCP)

Between 43% and 53% of users have a good LCP performance below 2.5s.

First Contentful 
Paint (FCP)

Mobile users experience a slower FCP more frequently than desktop users.

24%

18%

55%

57%

21%

26%

Desktop

Mobile

Good

Needs improvement

Poor

On desktop, 76% of websites have a "not good" TTFB, while on mobile, that percentage rises to 83%.

Aggregate TTFP
performance by device

Privacy

An overview of the current state of privacy on the web.

10. Privacy

of all websites load trackers.

~93%

Privacy

Biggest third-party
trackers

Google

facebook

cloudfare

70%

30%

13%

1.

2.

3.

The results show that almost half of the websites in the dataset have included a privacy policy.

45%

We explore the current state-of-practice for security on the Web.

11. Security

~87%

of website requests are being served over HTTPS.

Security

Security

On 7.23% of all pages a CSP header was present. An increase of 53% from last year.

Around 75% of the WordPress installations on mobile homepages are running the latest version.

Content Security
Policy (CSP)

WordPress

Mobile Web

We take a look at recent trends on the mobile web and analyze why user journeys are often difficult to complete.

12. Mobile Web

42 %

58 %

vs.

58% of site visits are mobile but only 42% of total time spent online is via mobile.

Only around 20% of the words on a landing page are read by the users.

Largest Contentful
Paint (LCP)

Mobile: 2.6s

Desktop: 2.3s

Median p75 LCP score (August 2020)

Capabilities

An overview of various modern web APIs, and the state of web capabilities in 2020.

13. Capabilities

Since some interfaces are brand-new, their (relative) usage is very low - so the following stats can be used as a baseline.

Capabilities

Async Clipboard API was called during 0.0003% of all page loads in Google Chrome.

StorageManager API was called during around 0.49% of all page loads in Google Chrome, Firefox and Edge.

Badging API was called during 0.025% of all page loads in Google Chrome.

In this chapter we will be looking into each of the components that make PWA what it is, from a data-driven perspective.

14. PWA

PWA

Service 
worker usage

About 0.88% desktop sites and 0.87% mobile sites use a service worker.

27.56%

of pages loaded fast enough for a PWA.

PWA

value

Desktop

Mobile

standalone

86.73%

89.28%

Most used display values for service worker pages.

minimal-ui

fullscreen

6.30%

5.00%

4.80%

4.11%