Website performance statistics

Speed, reliability and trust determine whether a visitor stays or leaves. These figures show where your website wins or loses, often within the first few seconds.

Last updated: June 14, 2026 · 8 verified statistics

TDK

Tanguy De Keyzer Oprichter & digitale strateeg

53% Of all internet traffic was automated, not human, in 2025 Bot traffic now exceeds human traffic and keeps growing, partly driven by AI crawlers. Your real audience is smaller than your raw visitor numbers suggest, so look beyond sessions alone. Source: Imperva Bad Bot Report 2026 (2026)

48% Of mobile sites achieve a good Core Web Vitals score More than half of websites fail Google's user-centric speed test. A fast, stable site remains a distinguishing advantage, not a given. Source: HTTP Archive Web Almanac 2025 (2025)

3x Higher conversion for a B2B site that loads in 1 second versus 5 seconds Speed isn't a technical detail, it's a revenue lever. Every extra second of load time costs you qualified inquiries you'll never see. Source: Portent (2022)

123% Higher chance a mobile visitor bounces as load time goes from 1 to 10 seconds Based on a Google neural network model with 90% prediction accuracy. Bounce probability already rises noticeably between 1 and 3 seconds, that's where the gains are. Source: Google / SOASTA Research (2017)

8,3% Lower bounce rate on information pages with a 0.1 second faster load time (lead generation) Even a tenth of a second difference ripples through the entire funnel. For B2B lead generation, faster loading simply means more people who keep reading. Source: Google / Deloitte, Milliseconds Make Millions (2020)

47,4% Median bounce rate across all sectors, and 56% average scroll depth on landing pages Visitors scroll on average to 56% of a landing page, so anything below 60% is seen by less than half. Put your core message and call-to-action right at the top. Source: Contentsquare Digital Experience Benchmark 2026 (2026)

75% Of users judge a company's credibility based on its website design Your website is your storefront. An outdated or sloppy design undermines trust before a prospect has even read your offer. Source: Stanford Web Credibility Project (2002)

50 ms Time visitors need to form a first impression of your website A fiftieth of a second is enough to judge visual appeal. That first impression then colors how trustworthy and usable people find your site. Source: Lindgaard et al., Behaviour & Information Technology (2006)

What do these figures mean for Belgian B2B companies?

The common thread is clear: your website wins or loses within the first seconds. A visitor forms a judgment within 50 milliseconds, and if the page loads too slowly, a significant share leaves immediately. For B2B with long sales cycles, that’s costly, because every lost visitor is a potential customer you’ll never speak to.

Two things deserve your attention. First, speed: investing in Core Web Vitals isn’t a technical luxury, it’s a direct lever on the number of inquiries. Second, trust: three quarters of visitors judge your credibility based on design, so a polished, fast site sells before a single word is said.

Look critically at your numbers too. With more than half of web traffic now automated, raw visitor counts say little. Measure success by customers and revenue, not sessions. Want to make your site faster and more reliable? A thoughtfully built website takes you from passing traffic to real inquiries.

Frequently asked questions

Which speed metric should I watch as a B2B company? +

Start with Core Web Vitals: LCP for load speed, INP for responsiveness and CLS for visual stability. They measure the experience the way a real visitor feels it, and Google also uses them as a ranking signal. Track the score that affects your users, not isolated technical numbers.

Do bots distort my website statistics? +

Yes. With more than half of internet traffic now automated, bots inflate your visitor counts and pollute your averages. Filter bot traffic out of your analytics and measure success by qualitative signals like inquiries and conversations, not raw sessions.

How fast should my B2B website load? +

Aim for under 2.5 seconds for the largest content (LCP), ideally faster still. Research shows conversion already drops sharply after a few seconds, so every improvement counts. For B2B, speed isn't a luxury, it's a direct lever on the number of inquiries.

Core Web Vitals: what they are and how to improve them How to Increase Your Conversion Rate: the Levers That Actually Work in B2B Website navigation: a menu that leads visitors to the enquiry UX best practices for B2B websites that lead to enquiries

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Source: Customer Impact, Website performance statistics, https://www.customerimpact.be/en/marketing-statistics/website-performance/

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